[INFO] fetching crate byztime 2.0.0...
[INFO] testing byztime-2.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate byztime 2.0.0 into /workspace/builds/worker-64/source
[INFO] validating manifest of crates.io crate byztime 2.0.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate byztime 2.0.0
[INFO] finished tweaking crates.io crate byztime 2.0.0
[INFO] tweaked toml for crates.io crate byztime 2.0.0 written to /workspace/builds/worker-64/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7f3924a66dd0975e24100e60311e5dbd48393c091f9cf3fbfd0007be3641dd9
[INFO] running `Command { std: "docker" "start" "-a" "d7f3924a66dd0975e24100e60311e5dbd48393c091f9cf3fbfd0007be3641dd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7f3924a66dd0975e24100e60311e5dbd48393c091f9cf3fbfd0007be3641dd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7f3924a66dd0975e24100e60311e5dbd48393c091f9cf3fbfd0007be3641dd9", kill_on_drop: false }`
[INFO] [stdout] d7f3924a66dd0975e24100e60311e5dbd48393c091f9cf3fbfd0007be3641dd9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7828e28435003f3aff490854e79c5871cf45ce948b15e19f23b209b8c76c97fc
[INFO] running `Command { std: "docker" "start" "-a" "7828e28435003f3aff490854e79c5871cf45ce948b15e19f23b209b8c76c97fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling errno v0.2.7
[INFO] [stderr]    Compiling byztime-sys v2.0.0
[INFO] [stderr]    Compiling byztime v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.28s
[INFO] running `Command { std: "docker" "inspect" "7828e28435003f3aff490854e79c5871cf45ce948b15e19f23b209b8c76c97fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7828e28435003f3aff490854e79c5871cf45ce948b15e19f23b209b8c76c97fc", kill_on_drop: false }`
[INFO] [stdout] 7828e28435003f3aff490854e79c5871cf45ce948b15e19f23b209b8c76c97fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d22292488e8f4aa23fb53e90796394ec20bc60b1fb2e97bce4216460dfb693d
[INFO] running `Command { std: "docker" "start" "-a" "7d22292488e8f4aa23fb53e90796394ec20bc60b1fb2e97bce4216460dfb693d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling quickcheck v0.9.2
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling quickcheck_macros v0.9.1
[INFO] [stderr]    Compiling quickcheck_derive v0.3.0
[INFO] [stderr]    Compiling byztime v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 14.58s
[INFO] running `Command { std: "docker" "inspect" "7d22292488e8f4aa23fb53e90796394ec20bc60b1fb2e97bce4216460dfb693d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d22292488e8f4aa23fb53e90796394ec20bc60b1fb2e97bce4216460dfb693d", kill_on_drop: false }`
[INFO] [stdout] 7d22292488e8f4aa23fb53e90796394ec20bc60b1fb2e97bce4216460dfb693d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 04e7a6237acab6ed21330cb523c5b7c06edbfe38f16f86b5bb6220d5ec3e4ad7
[INFO] running `Command { std: "docker" "start" "-a" "04e7a6237acab6ed21330cb523c5b7c06edbfe38f16f86b5bb6220d5ec3e4ad7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/byztime-a0cdad6455d90039)
[INFO] [stdout] running 16 tests
[INFO] [stdout] test tests::local_time_succeeds ... ok
[INFO] [stdout] test tests::scale_one ... ok
[INFO] [stdout] test tests::real_time_succeeds ... ok
[INFO] [stdout] test tests::addition_is_commutative ... ok
[INFO] [stdout] test tests::half_plus_half_is_one ... ok
[INFO] [stdout] test tests::add_cmp ... ok
[INFO] [stdout] test tests::equality_is_reflexive ... ok
[INFO] [stdout] test tests::scale_two ... ok
[INFO] [stdout] test tests::addition_is_associative ... ok
[INFO] [stdout] test tests::scale_half ... ok
[INFO] [stdout] test tests::equality_of_denormals ... ok
[INFO] [stdout] test tests::scale_zero ... ok
[INFO] [stdout] test tests::scale_neg_one ... ok
[INFO] [stdout] test tests::subtraction_is_negated_addition ... ok
[INFO] [stdout] test tests::t_plus_zero_is_t ... ok
[INFO] [stdout] test tests::addition_panics_on_overflow - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests byztime
[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" "04e7a6237acab6ed21330cb523c5b7c06edbfe38f16f86b5bb6220d5ec3e4ad7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04e7a6237acab6ed21330cb523c5b7c06edbfe38f16f86b5bb6220d5ec3e4ad7", kill_on_drop: false }`
[INFO] [stdout] 04e7a6237acab6ed21330cb523c5b7c06edbfe38f16f86b5bb6220d5ec3e4ad7