[INFO] fetching crate median 0.3.2...
[INFO] testing median-0.3.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate median 0.3.2 into /workspace/builds/worker-51/source
[INFO] validating manifest of crates.io crate median 0.3.2 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate median 0.3.2
[INFO] finished tweaking crates.io crate median 0.3.2
[INFO] tweaked toml for crates.io crate median 0.3.2 written to /workspace/builds/worker-51/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded noisy_float v0.1.15
[INFO] [stderr]   Downloaded arraydeque v0.4.5
[INFO] [stderr]   Downloaded missing_mpl v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c14e799770a4e779298c66cd937a5644a59b5c9b9b5d15e9b578b9a5fcafeb79
[INFO] running `Command { std: "docker" "start" "-a" "c14e799770a4e779298c66cd937a5644a59b5c9b9b5d15e9b578b9a5fcafeb79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c14e799770a4e779298c66cd937a5644a59b5c9b9b5d15e9b578b9a5fcafeb79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c14e799770a4e779298c66cd937a5644a59b5c9b9b5d15e9b578b9a5fcafeb79", kill_on_drop: false }`
[INFO] [stdout] c14e799770a4e779298c66cd937a5644a59b5c9b9b5d15e9b578b9a5fcafeb79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad357de55e30e5805c97b5a3881f333f71d45d02c637dc24452cd6a301d51035
[INFO] running `Command { std: "docker" "start" "-a" "ad357de55e30e5805c97b5a3881f333f71d45d02c637dc24452cd6a301d51035", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling median v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.48s
[INFO] running `Command { std: "docker" "inspect" "ad357de55e30e5805c97b5a3881f333f71d45d02c637dc24452cd6a301d51035", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad357de55e30e5805c97b5a3881f333f71d45d02c637dc24452cd6a301d51035", kill_on_drop: false }`
[INFO] [stdout] ad357de55e30e5805c97b5a3881f333f71d45d02c637dc24452cd6a301d51035
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36ca599d7e272a72b474f780cc072cb2bef60fa7d95d746649ef2bfa5d8668c8
[INFO] running `Command { std: "docker" "start" "-a" "36ca599d7e272a72b474f780cc072cb2bef60fa7d95d746649ef2bfa5d8668c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling arraydeque v0.4.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling noisy_float v0.1.15
[INFO] [stderr]    Compiling median v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.07s
[INFO] running `Command { std: "docker" "inspect" "36ca599d7e272a72b474f780cc072cb2bef60fa7d95d746649ef2bfa5d8668c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36ca599d7e272a72b474f780cc072cb2bef60fa7d95d746649ef2bfa5d8668c8", kill_on_drop: false }`
[INFO] [stdout] 36ca599d7e272a72b474f780cc072cb2bef60fa7d95d746649ef2bfa5d8668c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 32867a5651a17f25305378c845e80b039783e99e091f27e06a991135d06492de
[INFO] running `Command { std: "docker" "start" "-a" "32867a5651a17f25305378c845e80b039783e99e091f27e06a991135d06492de", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/median-ef5e3346bcbbf9e7)
[INFO] [stdout] running 34 tests
[INFO] [stdout] test heap::tests::alternating_4 ... ok
[INFO] [stdout] test heap::tests::alternating_5 ... ok
[INFO] [stdout] test heap::tests::ascending_4 ... ok
[INFO] [stdout] test heap::tests::ascending_5 ... ok
[INFO] [stdout] test heap::tests::descending_4 ... ok
[INFO] [stdout] test heap::tests::descending_5 ... ok
[INFO] [stdout] test heap::tests::quintuple_outlier_4 ... ok
[INFO] [stdout] test heap::tests::quintuple_outlier_5 ... ok
[INFO] [stdout] test heap::tests::min_max_median ... ok
[INFO] [stdout] test heap::tests::single_outlier_4 ... ok
[INFO] [stdout] test heap::tests::single_outlier_5 ... ok
[INFO] [stdout] test heap::tests::single_valley_4 ... ok
[INFO] [stdout] test heap::tests::triple_outlier_4 ... ok
[INFO] [stdout] test stack::tests::alternating_4 ... ok
[INFO] [stdout] test heap::tests::triple_outlier_5 ... ok
[INFO] [stdout] test stack::tests::ascending_4 ... ok
[INFO] [stdout] test stack::tests::descending_4 ... ok
[INFO] [stdout] test stack::tests::ascending_5 ... ok
[INFO] [stdout] test stack::tests::min_max_median ... ok
[INFO] [stdout] test stack::tests::alternating_5 ... ok
[INFO] [stdout] test heap::tests::single_peak_4 ... ok
[INFO] [stdout] test heap::tests::single_peak_5 ... ok
[INFO] [stdout] test heap::tests::single_valley_5 ... ok
[INFO] [stdout] test stack::tests::descending_5 ... ok
[INFO] [stdout] test stack::tests::single_outlier_5 ... ok
[INFO] [stdout] test stack::tests::quintuple_outlier_5 ... ok
[INFO] [stdout] test stack::tests::single_peak_5 ... ok
[INFO] [stdout] test stack::tests::single_valley_4 ... ok
[INFO] [stdout] test stack::tests::triple_outlier_5 ... ok
[INFO] [stdout] test stack::tests::quintuple_outlier_4 ... ok
[INFO] [stdout] test stack::tests::single_outlier_4 ... ok
[INFO] [stderr]    Doc-tests median
[INFO] [stdout] test stack::tests::single_peak_4 ... ok
[INFO] [stdout] test stack::tests::single_valley_5 ... ok
[INFO] [stdout] test stack::tests::triple_outlier_4 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 34 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[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" "32867a5651a17f25305378c845e80b039783e99e091f27e06a991135d06492de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32867a5651a17f25305378c845e80b039783e99e091f27e06a991135d06492de", kill_on_drop: false }`
[INFO] [stdout] 32867a5651a17f25305378c845e80b039783e99e091f27e06a991135d06492de