[INFO] fetching crate fraction_list_fmt_align 0.2.3...
[INFO] testing fraction_list_fmt_align-0.2.3 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate fraction_list_fmt_align 0.2.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate fraction_list_fmt_align 0.2.3 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 fraction_list_fmt_align 0.2.3
[INFO] finished tweaking crates.io crate fraction_list_fmt_align 0.2.3
[INFO] tweaked toml for crates.io crate fraction_list_fmt_align 0.2.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate fraction_list_fmt_align 0.2.3 already has a lockfile, it will not be regenerated
[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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 763b3a2ae03421a9ce0390a31b9164e5a120449b59fb7d308c75d305ef3df63d
[INFO] running `Command { std: "docker" "start" "-a" "763b3a2ae03421a9ce0390a31b9164e5a120449b59fb7d308c75d305ef3df63d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "763b3a2ae03421a9ce0390a31b9164e5a120449b59fb7d308c75d305ef3df63d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "763b3a2ae03421a9ce0390a31b9164e5a120449b59fb7d308c75d305ef3df63d", kill_on_drop: false }`
[INFO] [stdout] 763b3a2ae03421a9ce0390a31b9164e5a120449b59fb7d308c75d305ef3df63d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 73352c5cbd5194034f66103f11aad4f3b5831c36f1d05624ed4fb1ef867a5c09
[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" "73352c5cbd5194034f66103f11aad4f3b5831c36f1d05624ed4fb1ef867a5c09", kill_on_drop: false }`
[INFO] [stderr]    Compiling fraction_list_fmt_align v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "73352c5cbd5194034f66103f11aad4f3b5831c36f1d05624ed4fb1ef867a5c09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73352c5cbd5194034f66103f11aad4f3b5831c36f1d05624ed4fb1ef867a5c09", kill_on_drop: false }`
[INFO] [stdout] 73352c5cbd5194034f66103f11aad4f3b5831c36f1d05624ed4fb1ef867a5c09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] ea4fb258676feec35a92e8f10a48d66334b18fe7ca17ad1c6471e2057f077b1a
[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" "ea4fb258676feec35a92e8f10a48d66334b18fe7ca17ad1c6471e2057f077b1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling fraction_list_fmt_align v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.91s
[INFO] running `Command { std: "docker" "inspect" "ea4fb258676feec35a92e8f10a48d66334b18fe7ca17ad1c6471e2057f077b1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea4fb258676feec35a92e8f10a48d66334b18fe7ca17ad1c6471e2057f077b1a", kill_on_drop: false }`
[INFO] [stdout] ea4fb258676feec35a92e8f10a48d66334b18fe7ca17ad1c6471e2057f077b1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] a2fe049fe9fa6eb59d0d78b5d4edaf7feb5c7b04ad774aa5007be85a25d07493
[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" "a2fe049fe9fa6eb59d0d78b5d4edaf7feb5c7b04ad774aa5007be85a25d07493", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 4 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fraction_list_fmt_align-1df0b08aebab4b9d
[INFO] [stderr]    Doc-tests fraction_list_fmt_align
[INFO] [stdout] test tests::test_fmt_align_fraction_strings ... ok
[INFO] [stdout] test tests::test_fmt_nan ... ok
[INFO] [stdout] test tests::test_fmt_unnecessary_zeroes_are_removed ... ok
[INFO] [stdout] test tests::test_fraction_part_count_zeroes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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" "a2fe049fe9fa6eb59d0d78b5d4edaf7feb5c7b04ad774aa5007be85a25d07493", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2fe049fe9fa6eb59d0d78b5d4edaf7feb5c7b04ad774aa5007be85a25d07493", kill_on_drop: false }`
[INFO] [stdout] a2fe049fe9fa6eb59d0d78b5d4edaf7feb5c7b04ad774aa5007be85a25d07493