[INFO] fetching crate monochord 0.1.1...
[INFO] testing monochord-0.1.1 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate monochord 0.1.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate monochord 0.1.1 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate monochord 0.1.1
[INFO] finished tweaking crates.io crate monochord 0.1.1
[INFO] tweaked toml for crates.io crate monochord 0.1.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e0073a0fbc8e756a08e160eee10aa3a7da7352d803d12edc49eb91f834d371ab
[INFO] running `Command { std: "docker" "start" "-a" "e0073a0fbc8e756a08e160eee10aa3a7da7352d803d12edc49eb91f834d371ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0073a0fbc8e756a08e160eee10aa3a7da7352d803d12edc49eb91f834d371ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0073a0fbc8e756a08e160eee10aa3a7da7352d803d12edc49eb91f834d371ab", kill_on_drop: false }`
[INFO] [stdout] e0073a0fbc8e756a08e160eee10aa3a7da7352d803d12edc49eb91f834d371ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5ec1741ccd4d0b3874063ae021baebeac31d886e782884639061ac9e1d70a484
[INFO] running `Command { std: "docker" "start" "-a" "5ec1741ccd4d0b3874063ae021baebeac31d886e782884639061ac9e1d70a484", kill_on_drop: false }`
[INFO] [stderr]    Compiling monochord v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "5ec1741ccd4d0b3874063ae021baebeac31d886e782884639061ac9e1d70a484", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ec1741ccd4d0b3874063ae021baebeac31d886e782884639061ac9e1d70a484", kill_on_drop: false }`
[INFO] [stdout] 5ec1741ccd4d0b3874063ae021baebeac31d886e782884639061ac9e1d70a484
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0585b627a0750c8a9d20b12c61f8c43b3b450b968311c374255daa49c4d7e110
[INFO] running `Command { std: "docker" "start" "-a" "0585b627a0750c8a9d20b12c61f8c43b3b450b968311c374255daa49c4d7e110", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling monochord v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "0585b627a0750c8a9d20b12c61f8c43b3b450b968311c374255daa49c4d7e110", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0585b627a0750c8a9d20b12c61f8c43b3b450b968311c374255daa49c4d7e110", kill_on_drop: false }`
[INFO] [stdout] 0585b627a0750c8a9d20b12c61f8c43b3b450b968311c374255daa49c4d7e110
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2b67e78ca2c3f068732924a266d9cc5c6f0952d4fb39a2bde02713e0417f6f37
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2b67e78ca2c3f068732924a266d9cc5c6f0952d4fb39a2bde02713e0417f6f37", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/monochord-9fa7f07440ecb85f
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::cents_ratio ... ok
[INFO] [stderr]    Doc-tests monochord
[INFO] [stdout] test tests::hz_plus_cents ... ok
[INFO] [stdout] test tests::hz_div_hz ... ok
[INFO] [stdout] test tuning::tests::cyclic_tuning ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - Hz (line 15) ... ok
[INFO] [stdout] test src/tuning.rs - tuning::CyclicTuning (line 98) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2b67e78ca2c3f068732924a266d9cc5c6f0952d4fb39a2bde02713e0417f6f37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b67e78ca2c3f068732924a266d9cc5c6f0952d4fb39a2bde02713e0417f6f37", kill_on_drop: false }`
[INFO] [stdout] 2b67e78ca2c3f068732924a266d9cc5c6f0952d4fb39a2bde02713e0417f6f37