[INFO] fetching crate tau 1.0.4...
[INFO] testing tau-1.0.4 against 1.55.0 for beta-1.56-1
[INFO] extracting crate tau 1.0.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate tau 1.0.4 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 tau 1.0.4
[INFO] finished tweaking crates.io crate tau 1.0.4
[INFO] tweaked toml for crates.io crate tau 1.0.4 written to /workspace/builds/worker-2/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 27e5d0356be0db1b99af0e7308a47bd9ee241a647f326a276a4aa5ece2d2ccb7
[INFO] running `Command { std: "docker" "start" "-a" "27e5d0356be0db1b99af0e7308a47bd9ee241a647f326a276a4aa5ece2d2ccb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27e5d0356be0db1b99af0e7308a47bd9ee241a647f326a276a4aa5ece2d2ccb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27e5d0356be0db1b99af0e7308a47bd9ee241a647f326a276a4aa5ece2d2ccb7", kill_on_drop: false }`
[INFO] [stdout] 27e5d0356be0db1b99af0e7308a47bd9ee241a647f326a276a4aa5ece2d2ccb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 274988bf57336493987b77d2349535132d8964f6bca0b760c651c9612ba79761
[INFO] running `Command { std: "docker" "start" "-a" "274988bf57336493987b77d2349535132d8964f6bca0b760c651c9612ba79761", kill_on_drop: false }`
[INFO] [stderr]    Compiling tau v1.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "274988bf57336493987b77d2349535132d8964f6bca0b760c651c9612ba79761", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "274988bf57336493987b77d2349535132d8964f6bca0b760c651c9612ba79761", kill_on_drop: false }`
[INFO] [stdout] 274988bf57336493987b77d2349535132d8964f6bca0b760c651c9612ba79761
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 642e26f577c616bafbed98f49fbe4aac3862ea88b1e791da155baa05702de728
[INFO] running `Command { std: "docker" "start" "-a" "642e26f577c616bafbed98f49fbe4aac3862ea88b1e791da155baa05702de728", kill_on_drop: false }`
[INFO] [stderr]    Compiling tau v1.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "642e26f577c616bafbed98f49fbe4aac3862ea88b1e791da155baa05702de728", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "642e26f577c616bafbed98f49fbe4aac3862ea88b1e791da155baa05702de728", kill_on_drop: false }`
[INFO] [stdout] 642e26f577c616bafbed98f49fbe4aac3862ea88b1e791da155baa05702de728
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] d6b16f7539cc20c2a6e7f4b03e1189d2a252c4a87eae73cbd7003b88741919cd
[INFO] running `Command { std: "docker" "start" "-a" "d6b16f7539cc20c2a6e7f4b03e1189d2a252c4a87eae73cbd7003b88741919cd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tau-34ae0be5404b142c)
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests tau
[INFO] [stdout] test test::pi_is_a_derived_constant ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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" "d6b16f7539cc20c2a6e7f4b03e1189d2a252c4a87eae73cbd7003b88741919cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6b16f7539cc20c2a6e7f4b03e1189d2a252c4a87eae73cbd7003b88741919cd", kill_on_drop: false }`
[INFO] [stdout] d6b16f7539cc20c2a6e7f4b03e1189d2a252c4a87eae73cbd7003b88741919cd