diff --git a/Cargo.lock b/Cargo.lock
index c6270e1..2509a64 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,68 +1,11 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-[[package]]
-name = "addr2line"
-version = "0.14.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7c0929d69e78dd9bf5408269919fcbcaeb2e35e5d43e5815517cdc6a8e11a423"
-dependencies = [
- "gimli",
-]
-
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ee2a4ec343196209d6594e19543ae87a39f96d5534d7174822a3ad825dd6ed7e"
-
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-checksum = "7404febffaa47dac81aa44dba71523c9d069b1bdc50a77db41195149e17f68e5"
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- "memchr",
-]
-
 [[package]]
 name = "anyhow"
 version = "1.0.34"
 source = "registry+https://github.com/rust-lang/crates.io-index"
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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-dependencies = [
- "async-log-attributes",
- "backtrace",
- "log",
-]
-
-[[package]]
-name = "async-log"
-version = "2.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ac39aabd463ad2b1fadb34c22f48e5d160fa60b7cd69a426362e71bde49ebb6d"
-dependencies = [
- "async-log-attributes",
- "backtrace",
- "log",
-]
-
-[[package]]
-name = "async-log-attributes"
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-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "da97f8e61b19a72f67d8932de8b0905f7d41a1d7b9501b9938c7755f96f6362d"
-dependencies = [
- "proc-macro2 0.4.30",
- "quote 0.6.13",
- "syn 0.15.44",
-]
-
 [[package]]
 name = "atomicwrites"
 version = "0.2.5"
@@ -74,43 +17,17 @@ dependencies = [
  "winapi",
 ]
 
-[[package]]
-name = "atty"
-version = "0.2.14"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"
-dependencies = [
- "hermit-abi",
- "libc",
- "winapi",
-]
-
 [[package]]
 name = "autocfg"
 version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
 
-[[package]]
-name = "backtrace"
-version = "0.3.54"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2baad346b2d4e94a24347adeee9c7a93f412ee94b9cc26e5b59dea23848e9f28"
-dependencies = [
- "addr2line",
- "cfg-if 1.0.0",
- "libc",
- "miniz_oxide",
- "object",
- "rustc-demangle",
-]
-
 [[package]]
 name = "bakare"
 version = "0.1.0"
 dependencies = [
  "anyhow",
- "async-log 2.0.0",
  "atomicwrites",
  "base64",
  "cargo-husky",
@@ -135,9 +52,9 @@ dependencies = [
 
 [[package]]
 name = "base64"
-version = "0.11.0"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b41b7ea54a0c9d92199de89e20e58d49f02f8e699814ef3fdf266f6f748d15c7"
+checksum = "904dfeac50f3cdaba28fc6f57fdcddb75f49ed61346676a78c4ffe55877802fd"
 
 [[package]]
 name = "bitflags"
@@ -184,45 +101,6 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
-[[package]]
-name = "clicolors-control"
-version = "1.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "90082ee5dcdd64dc4e9e0d37fbf3ee325419e39c0092191e0393df65518f741e"
-dependencies = [
- "atty",
- "lazy_static",
- "libc",
- "winapi",
-]
-
-[[package]]
-name = "cloudabi"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4344512281c643ae7638bbabc3af17a11307803ec8f0fcad9fae512a8bf36467"
-dependencies = [
- "bitflags",
-]
-
-[[package]]
-name = "console"
-version = "0.7.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8ca57c2c14b8a2bf3105bc9d15574aad80babf6a9c44b1058034cdf8bd169628"
-dependencies = [
- "atty",
- "clicolors-control",
- "encode_unicode",
- "lazy_static",
- "libc",
- "parking_lot",
- "regex",
- "termios",
- "unicode-width",
- "winapi",
-]
-
 [[package]]
 name = "const_fn"
 version = "0.4.3"
@@ -297,21 +175,13 @@ version = "1.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e78d4f1cc4ae33bbfc157ed5d5a5ef3bc29227303d595861deb238fcec4e9457"
 
-[[package]]
-name = "encode_unicode"
-version = "0.3.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a357d28ed41a50f9c765dbfe56cbc04a64e53e5fc58ba79fbc34c10ef3df831f"
-
 [[package]]
 name = "femme"
-version = "1.3.0"
+version = "2.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4d9ac2da60a2a97a0643d082f1cb25901a90e6f2f69f03baf9763721aa31ee6a"
+checksum = "2af1a24f391a5a94d756db5092c6576aad494b88a71a5a36b20c67b63e0df034"
 dependencies = [
- "async-log 1.1.0",
  "cfg-if 0.1.10",
- "console",
  "js-sys",
  "log",
  "serde",
@@ -364,12 +234,6 @@ dependencies = [
  "wasi 0.9.0+wasi-snapshot-preview1",
 ]
 
-[[package]]
-name = "gimli"
-version = "0.23.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f6503fe142514ca4799d4c26297c4248239fe8838d827db6bd6065c6ed29a6ce"
-
 [[package]]
 name = "glob"
 version = "0.3.0"
@@ -397,15 +261,6 @@ version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "644f9158b2f133fd50f5fb3242878846d9eb792e445c893805ff0e3824006e35"
 
-[[package]]
-name = "instant"
-version = "0.1.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cb1fc4429a33e1f80d41dc9fea4d108a88bec1de8053878898ae448a0b52f613"
-dependencies = [
- "cfg-if 1.0.0",
-]
-
 [[package]]
 name = "itoa"
 version = "0.4.6"
@@ -433,15 +288,6 @@ version = "0.2.80"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4d58d1b70b004888f764dfbf6a26a3b0342a1632d33968e4a179d8011c760614"
 
-[[package]]
-name = "lock_api"
-version = "0.4.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "28247cc5a5be2f05fbcd76dd0cf2c7d3b5400cb978a28042abcd4fa0b3f8261c"
-dependencies = [
- "scopeguard",
-]
-
 [[package]]
 name = "log"
 version = "0.4.11"
@@ -451,12 +297,6 @@ dependencies = [
  "cfg-if 0.1.10",
 ]
 
-[[package]]
-name = "memchr"
-version = "2.3.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ee1c47aaa256ecabcaea351eae4a9b01ef39ed810004e298d2511ed284b1525"
-
 [[package]]
 name = "memoffset"
 version = "0.5.6"
@@ -466,16 +306,6 @@ dependencies = [
  "autocfg",
 ]
 
-[[package]]
-name = "miniz_oxide"
-version = "0.4.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0f2d26ec3309788e423cfbf68ad1800f061638098d76a83681af979dc4eda19d"
-dependencies = [
- "adler",
- "autocfg",
-]
-
 [[package]]
 name = "nix"
 version = "0.14.1"
@@ -511,75 +341,25 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "object"
-version = "0.22.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8d3b63360ec3cb337817c2dbd47ab4a0f170d285d8e5a2064600f3def1402397"
-
 [[package]]
 name = "opaque-debug"
 version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "624a8340c38c1b80fd549087862da4ba43e08858af025b236e509b6649fc13d5"
 
-[[package]]
-name = "parking_lot"
-version = "0.11.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a4893845fa2ca272e647da5d0e46660a314ead9c2fdd9a883aabc32e481a8733"
-dependencies = [
- "instant",
- "lock_api",
- "parking_lot_core",
-]
-
-[[package]]
-name = "parking_lot_core"
-version = "0.8.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c361aa727dd08437f2f1447be8b59a33b0edd15e0fcee698f935613d9efbca9b"
-dependencies = [
- "cfg-if 0.1.10",
- "cloudabi",
- "instant",
- "libc",
- "redox_syscall",
- "smallvec",
- "winapi",
-]
-
 [[package]]
 name = "ppv-lite86"
 version = "0.2.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ac74c624d6b2d21f425f752262f42188365d7b8ff1aff74c82e45136510a4857"
 
-[[package]]
-name = "proc-macro2"
-version = "0.4.30"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cf3d2011ab5c909338f7887f4fc896d35932e29146c12c8d01da6b22a80ba759"
-dependencies = [
- "unicode-xid 0.1.0",
-]
-
 [[package]]
 name = "proc-macro2"
 version = "1.0.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1e0704ee1a7e00d7bb417d0770ea303c1bccbabf0ef1667dae92b5967f5f8a71"
 dependencies = [
- "unicode-xid 0.2.1",
-]
-
-[[package]]
-name = "quote"
-version = "0.6.13"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6ce23b6b870e8f94f81fb0a363d65d86675884b34a09043c81e5562f11c1f8e1"
-dependencies = [
- "proc-macro2 0.4.30",
+ "unicode-xid",
 ]
 
 [[package]]
@@ -588,7 +368,7 @@ version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "aa563d17ecb180e500da1cfd2b028310ac758de548efdd203e18f283af693f37"
 dependencies = [
- "proc-macro2 1.0.24",
+ "proc-macro2",
 ]
 
 [[package]]
@@ -710,24 +490,6 @@ version = "0.1.57"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "41cc0f7e4d5d4544e8861606a285bb08d3e70712ccc7d2b84d7c0ccfaf4b05ce"
 
-[[package]]
-name = "regex"
-version = "1.4.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "38cf2c13ed4745de91a5eb834e11c00bcc3709e773173b2ce4c56c9fbde04b9c"
-dependencies = [
- "aho-corasick",
- "memchr",
- "regex-syntax",
- "thread_local",
-]
-
-[[package]]
-name = "regex-syntax"
-version = "0.6.21"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3b181ba2dcf07aaccad5448e8ead58db5b742cf85dfe035e2227f137a539a189"
-
 [[package]]
 name = "remove_dir_all"
 version = "0.5.3"
@@ -750,12 +512,6 @@ dependencies = [
  "time",
 ]
 
-[[package]]
-name = "rustc-demangle"
-version = "0.1.18"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6e3bad0ee36814ca07d7968269dd4b7ec89ec2da10c4bb613928d3077083c232"
-
 [[package]]
 name = "rustc-serialize"
 version = "0.3.24"
@@ -808,9 +564,9 @@ version = "1.0.117"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cbd1ae72adb44aab48f325a02444a5fc079349a8d804c1fc922aed3f7454c74e"
 dependencies = [
- "proc-macro2 1.0.24",
- "quote 1.0.7",
- "syn 1.0.48",
+ "proc-macro2",
+ "quote",
+ "syn",
 ]
 
 [[package]]
@@ -837,32 +593,15 @@ dependencies = [
  "opaque-debug",
 ]
 
-[[package]]
-name = "smallvec"
-version = "1.4.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fbee7696b84bbf3d89a1c2eccff0850e3047ed46bfcd2e92c29a2d074d57e252"
-
-[[package]]
-name = "syn"
-version = "0.15.44"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9ca4b3b69a77cbe1ffc9e198781b7acb0c7365a883670e8f1c1bc66fba79a5c5"
-dependencies = [
- "proc-macro2 0.4.30",
- "quote 0.6.13",
- "unicode-xid 0.1.0",
-]
-
 [[package]]
 name = "syn"
 version = "1.0.48"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cc371affeffc477f42a221a1e4297aedcea33d47d19b61455588bd9d8f6b19ac"
 dependencies = [
- "proc-macro2 1.0.24",
- "quote 1.0.7",
- "unicode-xid 0.2.1",
+ "proc-macro2",
+ "quote",
+ "unicode-xid",
 ]
 
 [[package]]
@@ -889,15 +628,6 @@ dependencies = [
  "winapi",
 ]
 
-[[package]]
-name = "termios"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "411c5bf740737c7918b8b1fe232dca4dc9f8e754b8ad5e20966814001ed0ac6b"
-dependencies = [
- "libc",
-]
-
 [[package]]
 name = "thiserror"
 version = "1.0.22"
@@ -913,18 +643,9 @@ version = "1.0.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9ba20f23e85b10754cd195504aebf6a27e2e6cbe28c17778a0c930724628dd56"
 dependencies = [
- "proc-macro2 1.0.24",
- "quote 1.0.7",
- "syn 1.0.48",
-]
-
-[[package]]
-name = "thread_local"
-version = "1.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d40c6d1b69745a6ec6fb1ca717914848da4b44ae29d9b3080cbee91d72a69b14"
-dependencies = [
- "lazy_static",
+ "proc-macro2",
+ "quote",
+ "syn",
 ]
 
 [[package]]
@@ -944,18 +665,6 @@ version = "1.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "373c8a200f9e67a0c95e62a4f52fbf80c23b4381c05a17845531982fa99e6b33"
 
-[[package]]
-name = "unicode-width"
-version = "0.1.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9337591893a19b88d8d87f2cec1e73fad5cdfd10e5a6f349f498ad6ea2ffb1e3"
-
-[[package]]
-name = "unicode-xid"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fc72304796d0818e357ead4e000d19c9c174ab23dc11093ac919054d20a6a7fc"
-
 [[package]]
 name = "unicode-xid"
 version = "0.2.1"
@@ -1027,9 +736,9 @@ dependencies = [
  "bumpalo",
  "lazy_static",
  "log",
- "proc-macro2 1.0.24",
- "quote 1.0.7",
- "syn 1.0.48",
+ "proc-macro2",
+ "quote",
+ "syn",
  "wasm-bindgen-shared",
 ]
 
@@ -1039,7 +748,7 @@ version = "0.2.68"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6b13312a745c08c469f0b292dd2fcd6411dba5f7160f593da6ef69b64e407038"
 dependencies = [
- "quote 1.0.7",
+ "quote",
  "wasm-bindgen-macro-support",
 ]
 
@@ -1049,9 +758,9 @@ version = "0.2.68"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f249f06ef7ee334cc3b8ff031bfc11ec99d00f34d86da7498396dc1e3b1498fe"
 dependencies = [
- "proc-macro2 1.0.24",
- "quote 1.0.7",
- "syn 1.0.48",
+ "proc-macro2",
+ "quote",
+ "syn",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 502cf4f..a0f5344 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,17 +7,16 @@ license = "AGPL-3.0"
 
 [dependencies]
 anyhow = "1.0"
-async-log = "2.0"
 atomicwrites = "0.2"
-base64 = "0.11"
-femme = "1.3"
+base64 = "0.13"
+femme = "2.1"
 fs2 = "0.4"
 glob = "0.3"
 hex = "0.4"
 log = "0.4"
 nix = "0.19"
 rand = "0.7"
-rayon = "1.1"
+rayon = "1.5"
 rust-crypto = "0.2"
 serde = { version = "1.0", features = ["derive"] }
 serde_cbor = "0.11"
diff --git a/tests/concurrency_tests.rs b/tests/concurrency_tests.rs
index bd17df1..f8a8487 100644
--- a/tests/concurrency_tests.rs
+++ b/tests/concurrency_tests.rs
@@ -96,10 +96,7 @@ fn restore_all<T: AsRef<Path>>(repository_path: T) -> Result<Vec<Box<Path>>> {
 }
 
 fn setup_logger() {
-    let logger = femme::pretty::Logger::new();
-    async_log::Logger::wrap(logger, rand::random::<u64>)
-        .start(log::LevelFilter::Trace)
-        .unwrap();
+    femme::with_level(log::LevelFilter::Trace);
 }
 
 fn file_id(i: usize, j: usize) -> String {