[INFO] fetching crate fnum-derive 0.0.1...
[INFO] testing fnum-derive-0.0.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate fnum-derive 0.0.1 into /workspace/builds/worker-56/source
[INFO] validating manifest of crates.io crate fnum-derive 0.0.1 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 fnum-derive 0.0.1
[INFO] finished tweaking crates.io crate fnum-derive 0.0.1
[INFO] tweaked toml for crates.io crate fnum-derive 0.0.1 written to /workspace/builds/worker-56/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-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] 57a7fb8b11f9ddbd60c41260d3f2f75c0c947a44409736c615cf02fc0ae54ec9
[INFO] running `Command { std: "docker" "start" "-a" "57a7fb8b11f9ddbd60c41260d3f2f75c0c947a44409736c615cf02fc0ae54ec9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57a7fb8b11f9ddbd60c41260d3f2f75c0c947a44409736c615cf02fc0ae54ec9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57a7fb8b11f9ddbd60c41260d3f2f75c0c947a44409736c615cf02fc0ae54ec9", kill_on_drop: false }`
[INFO] [stdout] 57a7fb8b11f9ddbd60c41260d3f2f75c0c947a44409736c615cf02fc0ae54ec9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] 18987ffccf43531262ba8868c53b78a5530786f0dcd510c5057fd64dd7681a0d
[INFO] running `Command { std: "docker" "start" "-a" "18987ffccf43531262ba8868c53b78a5530786f0dcd510c5057fd64dd7681a0d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling fnum-derive v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.41s
[INFO] running `Command { std: "docker" "inspect" "18987ffccf43531262ba8868c53b78a5530786f0dcd510c5057fd64dd7681a0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18987ffccf43531262ba8868c53b78a5530786f0dcd510c5057fd64dd7681a0d", kill_on_drop: false }`
[INFO] [stdout] 18987ffccf43531262ba8868c53b78a5530786f0dcd510c5057fd64dd7681a0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] bdf5022e580caf381f3be8d8aafd0007fc48186b78d594e9c3046280e8b6a348
[INFO] running `Command { std: "docker" "start" "-a" "bdf5022e580caf381f3be8d8aafd0007fc48186b78d594e9c3046280e8b6a348", kill_on_drop: false }`
[INFO] [stderr]    Compiling fnum-derive v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "bdf5022e580caf381f3be8d8aafd0007fc48186b78d594e9c3046280e8b6a348", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdf5022e580caf381f3be8d8aafd0007fc48186b78d594e9c3046280e8b6a348", kill_on_drop: false }`
[INFO] [stdout] bdf5022e580caf381f3be8d8aafd0007fc48186b78d594e9c3046280e8b6a348
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] 851dfd67c65c5e4a231506cee5308b997350b17162c19bfbfcf85a3734f83eac
[INFO] running `Command { std: "docker" "start" "-a" "851dfd67c65c5e4a231506cee5308b997350b17162c19bfbfcf85a3734f83eac", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fnum_derive-14a6e4f8bdfb3e99)
[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 fnum-derive
[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" "851dfd67c65c5e4a231506cee5308b997350b17162c19bfbfcf85a3734f83eac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "851dfd67c65c5e4a231506cee5308b997350b17162c19bfbfcf85a3734f83eac", kill_on_drop: false }`
[INFO] [stdout] 851dfd67c65c5e4a231506cee5308b997350b17162c19bfbfcf85a3734f83eac