[INFO] fetching crate clock-core 0.0.7...
[INFO] testing clock-core-0.0.7 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate clock-core 0.0.7 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate clock-core 0.0.7 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 clock-core 0.0.7
[INFO] finished tweaking crates.io crate clock-core 0.0.7
[INFO] tweaked toml for crates.io crate clock-core 0.0.7 written to /workspace/builds/worker-4/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 376d4683a318946c1b2c1e104026747de7640382990b07356460d3ec866a7daa
[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" "376d4683a318946c1b2c1e104026747de7640382990b07356460d3ec866a7daa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "376d4683a318946c1b2c1e104026747de7640382990b07356460d3ec866a7daa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "376d4683a318946c1b2c1e104026747de7640382990b07356460d3ec866a7daa", kill_on_drop: false }`
[INFO] [stdout] 376d4683a318946c1b2c1e104026747de7640382990b07356460d3ec866a7daa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] c605b8a31d6f39ba75be034a66d0c5d752cd2fb2f4b3a4ebd6849eda2471f872
[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" "c605b8a31d6f39ba75be034a66d0c5d752cd2fb2f4b3a4ebd6849eda2471f872", kill_on_drop: false }`
[INFO] [stderr]    Compiling clock-core v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "c605b8a31d6f39ba75be034a66d0c5d752cd2fb2f4b3a4ebd6849eda2471f872", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c605b8a31d6f39ba75be034a66d0c5d752cd2fb2f4b3a4ebd6849eda2471f872", kill_on_drop: false }`
[INFO] [stdout] c605b8a31d6f39ba75be034a66d0c5d752cd2fb2f4b3a4ebd6849eda2471f872
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 90e6ba23d4307c832587eaebfa0d2a9b9e47165fad87899673d41ce6178cf660
[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" "90e6ba23d4307c832587eaebfa0d2a9b9e47165fad87899673d41ce6178cf660", kill_on_drop: false }`
[INFO] [stderr]    Compiling clock-core v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "90e6ba23d4307c832587eaebfa0d2a9b9e47165fad87899673d41ce6178cf660", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90e6ba23d4307c832587eaebfa0d2a9b9e47165fad87899673d41ce6178cf660", kill_on_drop: false }`
[INFO] [stdout] 90e6ba23d4307c832587eaebfa0d2a9b9e47165fad87899673d41ce6178cf660
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f3b68bd8a4b1c8a80f9f48e3f23be86c6286d75e5b01ee920a27db7a31750e77
[INFO] running `Command { std: "docker" "start" "-a" "f3b68bd8a4b1c8a80f9f48e3f23be86c6286d75e5b01ee920a27db7a31750e77", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/clock_core-175f8eee4931f2b9)
[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]    Doc-tests clock-core
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/stopwatch.rs - stopwatch (line 19) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f3b68bd8a4b1c8a80f9f48e3f23be86c6286d75e5b01ee920a27db7a31750e77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3b68bd8a4b1c8a80f9f48e3f23be86c6286d75e5b01ee920a27db7a31750e77", kill_on_drop: false }`
[INFO] [stdout] f3b68bd8a4b1c8a80f9f48e3f23be86c6286d75e5b01ee920a27db7a31750e77