[INFO] fetching crate bench-rs 0.2.4...
[INFO] testing bench-rs-0.2.4 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate bench-rs 0.2.4 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate bench-rs 0.2.4 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bench-rs 0.2.4
[INFO] finished tweaking crates.io crate bench-rs 0.2.4
[INFO] tweaked toml for crates.io crate bench-rs 0.2.4 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded signal-hook-registry v1.4.0
[INFO] [stderr]   Downloaded futures-macro v0.3.21
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.19
[INFO] [stderr]   Downloaded base64 v0.12.3
[INFO] [stderr]   Downloaded pin-project-internal v0.4.29
[INFO] [stderr]   Downloaded async-mutex v1.4.0
[INFO] [stderr]   Downloaded atomic-waker v1.0.0
[INFO] [stderr]   Downloaded async-global-executor v2.0.2
[INFO] [stderr]   Downloaded pin-project v0.4.29
[INFO] [stderr]   Downloaded phf v0.8.0
[INFO] [stderr]   Downloaded phf_shared v0.8.0
[INFO] [stderr]   Downloaded siphasher v0.3.9
[INFO] [stderr]   Downloaded phf_macros v0.8.0
[INFO] [stderr]   Downloaded phf_generator v0.8.0
[INFO] [stderr]   Downloaded rand_pcg v0.2.1
[INFO] [stderr]   Downloaded ctor v0.1.21
[INFO] [stderr]   Downloaded futures-executor v0.3.21
[INFO] [stderr]   Downloaded gloo-timers v0.2.3
[INFO] [stderr]   Downloaded argh_shared v0.1.7
[INFO] [stderr]   Downloaded kv-log-macro v1.0.7
[INFO] [stderr]   Downloaded bunt v0.2.6
[INFO] [stderr]   Downloaded argh_derive v0.1.7
[INFO] [stderr]   Downloaded argh v0.1.7
[INFO] [stderr]   Downloaded rcnb-rs v0.1.0
[INFO] [stderr]   Downloaded async-std v1.10.0
[INFO] [stderr]   Downloaded async-lock v2.5.0
[INFO] [stderr]   Downloaded futures v0.3.21
[INFO] [stderr]   Downloaded litrs v0.2.3
[INFO] [stderr]   Downloaded bunt-macros v0.2.5
[INFO] [stderr]   Downloaded value-bag v1.0.0-alpha.8
[INFO] [stderr]   Downloaded blocking v1.1.0
[INFO] [stderr]   Downloaded wepoll-ffi v0.1.2
[INFO] [stderr]   Downloaded polling v2.2.0
[INFO] [stderr]   Downloaded socket2 v0.4.4
[INFO] [stderr]   Downloaded async-io v1.6.0
[INFO] [stderr]   Downloaded signal-hook v0.3.13
[INFO] [stderr]   Downloaded async-fs v1.5.0
[INFO] [stderr]   Downloaded async-net v1.6.1
[INFO] [stderr]   Downloaded async-process v1.3.0
[INFO] [stderr]   Downloaded smol v1.2.5
[INFO] [stderr]   Downloaded bencher-macro v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 89f57934b32e73b2afa240eb6633f87a21ba1f8253a9b12327ce7cb469da2dff
[INFO] running `Command { std: "docker" "start" "-a" "89f57934b32e73b2afa240eb6633f87a21ba1f8253a9b12327ce7cb469da2dff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89f57934b32e73b2afa240eb6633f87a21ba1f8253a9b12327ce7cb469da2dff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89f57934b32e73b2afa240eb6633f87a21ba1f8253a9b12327ce7cb469da2dff", kill_on_drop: false }`
[INFO] [stdout] 89f57934b32e73b2afa240eb6633f87a21ba1f8253a9b12327ce7cb469da2dff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f08088597e6c5ed15e6b907800abf610a9230e1f71c127b112b96a69611a7a94
[INFO] running `Command { std: "docker" "start" "-a" "f08088597e6c5ed15e6b907800abf610a9230e1f71c127b112b96a69611a7a94", kill_on_drop: false }`
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling litrs v0.2.3
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling bunt-macros v0.2.5
[INFO] [stderr]    Compiling bunt v0.2.6
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling bencher-macro v0.1.1
[INFO] [stderr]    Compiling bench-rs v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.78s
[INFO] running `Command { std: "docker" "inspect" "f08088597e6c5ed15e6b907800abf610a9230e1f71c127b112b96a69611a7a94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f08088597e6c5ed15e6b907800abf610a9230e1f71c127b112b96a69611a7a94", kill_on_drop: false }`
[INFO] [stdout] f08088597e6c5ed15e6b907800abf610a9230e1f71c127b112b96a69611a7a94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 148e9fb92168bd01c18a92c2c2bfe89b43bb2701a0c84ca9949d57f7a42b173d
[INFO] running `Command { std: "docker" "start" "-a" "148e9fb92168bd01c18a92c2c2bfe89b43bb2701a0c84ca9949d57f7a42b173d", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling futures-io v0.3.21
[INFO] [stderr]    Compiling cache-padded v1.2.0
[INFO] [stderr]    Compiling event-listener v2.5.2
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling async-task v4.1.0
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling signal-hook v0.3.13
[INFO] [stderr]    Compiling argh_shared v0.1.7
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.8
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling async-lock v2.5.0
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling argh_derive v0.1.7
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]    Compiling blocking v1.1.0
[INFO] [stderr]    Compiling async-executor v1.4.1
[INFO] [stderr]    Compiling polling v2.2.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling async-fs v1.5.0
[INFO] [stderr]    Compiling async-io v1.6.0
[INFO] [stderr]    Compiling argh v0.1.7
[INFO] [stderr]    Compiling async-process v1.3.0
[INFO] [stderr]    Compiling async-global-executor v2.0.2
[INFO] [stderr]    Compiling async-net v1.6.1
[INFO] [stderr]    Compiling async-std v1.10.0
[INFO] [stderr]    Compiling smol v1.2.5
[INFO] [stderr]    Compiling phf v0.8.0
[INFO] [stderr]    Compiling rcnb-rs v0.1.0
[INFO] [stderr]    Compiling futures-executor v0.3.21
[INFO] [stderr]    Compiling futures v0.3.21
[INFO] [stderr]    Compiling bench-rs v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.92s
[INFO] running `Command { std: "docker" "inspect" "148e9fb92168bd01c18a92c2c2bfe89b43bb2701a0c84ca9949d57f7a42b173d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "148e9fb92168bd01c18a92c2c2bfe89b43bb2701a0c84ca9949d57f7a42b173d", kill_on_drop: false }`
[INFO] [stdout] 148e9fb92168bd01c18a92c2c2bfe89b43bb2701a0c84ca9949d57f7a42b173d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a6c4e6ecf42fd31e7e048683ddab0216e491e184e1175edebb7714424f9473a5
[INFO] running `Command { std: "docker" "start" "-a" "a6c4e6ecf42fd31e7e048683ddab0216e491e184e1175edebb7714424f9473a5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bench_rs-37fa5e1ef2bda836)
[INFO] [stderr]      Running tests/bench.rs (/opt/rustwide/target/debug/deps/bench-b12296cf6800a2ed)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test test_bencher ... ok
[INFO] [stdout] test_rcnb_encoding ... 775,898 ns/iter (+/- 32,085,238) = 1.29 MB/s
[INFO] [stdout] 	 memory usage: 8,768 bytes/iter (+/- 104,480)
[INFO] [stdout] 	 @Total: 1000 * 1 iters
[INFO] [stdout] test test_rcnb ... ok
[INFO] [stdout] test_base64 ... 50,996 ns/iter (+/- 1,148,594) = 19.61 MB/s
[INFO] [stdout] 	 memory usage: 488 bytes/iter (+/- 3,301)
[INFO] [stdout] 	 @Total: 1000 * 18 iters
[INFO] [stdout] test test_base64 ... ok
[INFO] [stdout] test_async_with_futures ... 20,991,518 ns/iter (+/- 5,106,579) = 0.00 MB/s
[INFO] [stdout] 	 memory usage: 2,058 bytes/iter (+/- 67,728)
[INFO] [stdout] 	 @Total: 100 * 1 iters
[INFO] [stdout] 	 @avg 2 polls 
[INFO] [stdout] test test_async_with_futures ... ok
[INFO] [stdout] test_async_with_tokio ... 21,023,911 ns/iter (+/- 7,866,461) = 0.00 MB/s
[INFO] [stdout] 	 memory usage: 1,248 bytes/iter (+/- 18,416)
[INFO] [stdout] 	 @Total: 100 * 1 iters
[INFO] [stdout] 	 @avg 2 polls 
[INFO] [stdout] test test_async_with_tokio ... ok
[INFO] [stdout] test_async_with_smol ... 21,026,535 ns/iter (+/- 5,085,209) = 0.00 MB/s
[INFO] [stdout] 	 memory usage: 3,442 bytes/iter (+/- 24,112)
[INFO] [stdout] 	 @Total: 100 * 1 iters
[INFO] [stdout] 	 @avg 2 polls 
[INFO] [stdout] test test_async_with_smol ... ok
[INFO] [stdout] test_async_with_async_std ... 20,919,106 ns/iter (+/- 5,107,030) = 0.00 MB/s
[INFO] [stdout] 	 memory usage: 1,292 bytes/iter (+/- 11,776)
[INFO] [stdout] 	 @Total: 100 * 1 iters
[INFO] [stdout] 	 @avg 2 polls 
[INFO] [stdout] test test_async_with_async_std ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.22s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bench-rs
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a6c4e6ecf42fd31e7e048683ddab0216e491e184e1175edebb7714424f9473a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6c4e6ecf42fd31e7e048683ddab0216e491e184e1175edebb7714424f9473a5", kill_on_drop: false }`
[INFO] [stdout] a6c4e6ecf42fd31e7e048683ddab0216e491e184e1175edebb7714424f9473a5