[INFO] fetching crate audio-duration 0.2.0...
[INFO] testing audio-duration-0.2.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate audio-duration 0.2.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate audio-duration 0.2.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate audio-duration 0.2.0
[INFO] finished tweaking crates.io crate audio-duration 0.2.0
[INFO] tweaked toml for crates.io crate audio-duration 0.2.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4512b1604cac239325d8ac304cd895de74280832716fb40fcd6ae5d1da35abb
[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" "a4512b1604cac239325d8ac304cd895de74280832716fb40fcd6ae5d1da35abb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4512b1604cac239325d8ac304cd895de74280832716fb40fcd6ae5d1da35abb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4512b1604cac239325d8ac304cd895de74280832716fb40fcd6ae5d1da35abb", kill_on_drop: false }`
[INFO] [stdout] a4512b1604cac239325d8ac304cd895de74280832716fb40fcd6ae5d1da35abb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7681604ad42a981901ed198652cce14096d80aa74db9fa99ed95020e47905931
[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" "7681604ad42a981901ed198652cce14096d80aa74db9fa99ed95020e47905931", kill_on_drop: false }`
[INFO] [stderr]    Compiling audio-duration v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "7681604ad42a981901ed198652cce14096d80aa74db9fa99ed95020e47905931", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7681604ad42a981901ed198652cce14096d80aa74db9fa99ed95020e47905931", kill_on_drop: false }`
[INFO] [stdout] 7681604ad42a981901ed198652cce14096d80aa74db9fa99ed95020e47905931
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01fc3c2097686a72f8eec957a6fad7881b9eedfc6cca85999d559baeecd2e47b
[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" "01fc3c2097686a72f8eec957a6fad7881b9eedfc6cca85999d559baeecd2e47b", kill_on_drop: false }`
[INFO] [stderr]    Compiling audio-duration v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "01fc3c2097686a72f8eec957a6fad7881b9eedfc6cca85999d559baeecd2e47b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01fc3c2097686a72f8eec957a6fad7881b9eedfc6cca85999d559baeecd2e47b", kill_on_drop: false }`
[INFO] [stdout] 01fc3c2097686a72f8eec957a6fad7881b9eedfc6cca85999d559baeecd2e47b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", 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] 7fe3a7fad4e4ef761d7f235c777b8ed48b0797ae3dc483ccf0fa0331f76cfccd
[INFO] running `Command { std: "docker" "start" "-a" "7fe3a7fad4e4ef761d7f235c777b8ed48b0797ae3dc483ccf0fa0331f76cfccd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/audio_duration-26387c5f0fe178dc
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::fmt ... ok
[INFO] [stdout] test tests::new_and_getters ... ok
[INFO] [stdout] test tests::duration ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests audio-duration
[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" "7fe3a7fad4e4ef761d7f235c777b8ed48b0797ae3dc483ccf0fa0331f76cfccd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fe3a7fad4e4ef761d7f235c777b8ed48b0797ae3dc483ccf0fa0331f76cfccd", kill_on_drop: false }`
[INFO] [stdout] 7fe3a7fad4e4ef761d7f235c777b8ed48b0797ae3dc483ccf0fa0331f76cfccd