[INFO] fetching crate bench-rs 0.2.4...
[INFO] testing bench-rs-0.2.4 against 1.54.0 for beta-1.55-1
[INFO] extracting crate bench-rs 0.2.4 into /workspace/builds/worker-18/source
[INFO] validating manifest of crates.io crate bench-rs 0.2.4 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-18/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c00d88d80e9b84b4d2e8010303d1ef10d1d850aa4510d52d52d37f921b5b3715
[INFO] running `Command { std: "docker" "start" "-a" "c00d88d80e9b84b4d2e8010303d1ef10d1d850aa4510d52d52d37f921b5b3715", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c00d88d80e9b84b4d2e8010303d1ef10d1d850aa4510d52d52d37f921b5b3715", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c00d88d80e9b84b4d2e8010303d1ef10d1d850aa4510d52d52d37f921b5b3715", kill_on_drop: false }`
[INFO] [stdout] c00d88d80e9b84b4d2e8010303d1ef10d1d850aa4510d52d52d37f921b5b3715
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46fdbc52665b00652c5223b80fe9118ee31b592f31c778b5fa78dde93c5b53cf
[INFO] running `Command { std: "docker" "start" "-a" "46fdbc52665b00652c5223b80fe9118ee31b592f31c778b5fa78dde93c5b53cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling litrs v0.2.3
[INFO] [stderr]    Compiling bunt-macros v0.2.5
[INFO] [stderr]    Compiling bunt v0.2.5
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling pin-project v0.4.28
[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 32.02s
[INFO] running `Command { std: "docker" "inspect" "46fdbc52665b00652c5223b80fe9118ee31b592f31c778b5fa78dde93c5b53cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46fdbc52665b00652c5223b80fe9118ee31b592f31c778b5fa78dde93c5b53cf", kill_on_drop: false }`
[INFO] [stdout] 46fdbc52665b00652c5223b80fe9118ee31b592f31c778b5fa78dde93c5b53cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4585ecae4b62867d1d56788dfd14baa640ad99aaaa13806b0069111afabf40ec
[INFO] running `Command { std: "docker" "start" "-a" "4585ecae4b62867d1d56788dfd14baa640ad99aaaa13806b0069111afabf40ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling futures-io v0.3.16
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling slab v0.4.4
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling fastrand v1.5.0
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling siphasher v0.3.6
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling signal-hook v0.3.9
[INFO] [stderr]    Compiling futures-sink v0.3.16
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling argh_shared v0.1.5
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling futures-timer v3.0.2
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling async-lock v2.4.0
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.7
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling argh_derive v0.1.5
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling socket2 v0.4.1
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling polling v2.1.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling async-executor v1.4.1
[INFO] [stderr]    Compiling async-io v1.6.0
[INFO] [stderr]    Compiling async-fs v1.5.0
[INFO] [stderr]    Compiling argh v0.1.5
[INFO] [stderr]    Compiling async-global-executor v2.0.2
[INFO] [stderr]    Compiling async-net v1.6.1
[INFO] [stderr]    Compiling async-process v1.1.0
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling async-std v1.9.0
[INFO] [stderr]    Compiling smol v1.2.5
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]    Compiling phf v0.8.0
[INFO] [stderr]    Compiling rcnb-rs v0.1.0
[INFO] [stderr]    Compiling futures-executor v0.3.16
[INFO] [stderr]    Compiling futures v0.3.16
[INFO] [stderr]    Compiling bench-rs v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 17.64s
[INFO] running `Command { std: "docker" "inspect" "4585ecae4b62867d1d56788dfd14baa640ad99aaaa13806b0069111afabf40ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4585ecae4b62867d1d56788dfd14baa640ad99aaaa13806b0069111afabf40ec", kill_on_drop: false }`
[INFO] [stdout] 4585ecae4b62867d1d56788dfd14baa640ad99aaaa13806b0069111afabf40ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 61982aa28adb0baa321e2476828947733217544627d28a0baf93eccf71efa75d
[INFO] running `Command { std: "docker" "start" "-a" "61982aa28adb0baa321e2476828947733217544627d28a0baf93eccf71efa75d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bench_rs-6b0dd1a2b58e5a2b)
[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] [stderr]      Running tests/bench.rs (/opt/rustwide/target/debug/deps/bench-f08c550bc9cea4e6)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test_base64 ... 51,133 ns/iter (+/- 463,430) = 19.56 MB/s
[INFO] [stdout] 	 memory usage: 895 bytes/iter (+/- 11,236)
[INFO] [stdout] 	 @Total: 1000 * 12 iters
[INFO] [stdout] test test_base64 ... ok
[INFO] [stdout] test_rcnb_encoding ... 819,137 ns/iter (+/- 13,831,688) = 1.22 MB/s
[INFO] [stdout] 	 memory usage: 7,541 bytes/iter (+/- 59,136)
[INFO] [stdout] 	 @Total: 1000 * 1 iters
[INFO] [stdout] test test_rcnb ... ok
[INFO] [stdout] test test_bencher ... ok
[INFO] [stdout] test_async_with_futures ... 20,728,557 ns/iter (+/- 4,779,049) = 0.00 MB/s
[INFO] [stdout] 	 memory usage: 4,730 bytes/iter (+/- 23,880)
[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 ... 20,906,358 ns/iter (+/- 11,852,409) = 0.00 MB/s
[INFO] [stdout] 	 memory usage: 2,070 bytes/iter (+/- 18,448)
[INFO] [stdout] 	 @Total: 100 * 1 iters
[INFO] [stdout] 	 @avg 2 polls 
[INFO] [stdout] test_async_with_smol ... 20,934,180 ns/iter (+/- 8,383,309) = 0.00 MB/s
[INFO] [stdout] 	 memory usage: 2,923 bytes/iter (+/- 24,064)
[INFO] [stdout] 	 @Total: 100 * 1 iters
[INFO] [stdout] 	 @avg 2 polls 
[INFO] [stdout] test test_async_with_tokio ... ok
[INFO] [stdout] test test_async_with_smol ... ok
[INFO] [stdout] test_async_with_async_std ... 20,585,280 ns/iter (+/- 5,393,720) = 0.00 MB/s
[INFO] [stdout] 	 memory usage: 2,876 bytes/iter (+/- 14,000)
[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 2.49s
[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" "61982aa28adb0baa321e2476828947733217544627d28a0baf93eccf71efa75d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61982aa28adb0baa321e2476828947733217544627d28a0baf93eccf71efa75d", kill_on_drop: false }`
[INFO] [stdout] 61982aa28adb0baa321e2476828947733217544627d28a0baf93eccf71efa75d
