[INFO] fetching crate r1 0.6.4...
[INFO] testing r1-0.6.4 against 1.55.0 for beta-1.56-1
[INFO] extracting crate r1 0.6.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate r1 0.6.4 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 r1 0.6.4
[INFO] finished tweaking crates.io crate r1 0.6.4
[INFO] tweaked toml for crates.io crate r1 0.6.4 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate r1 0.6.4 already has a lockfile, it will not be regenerated
[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-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] 19525f2b8b132dc06707b0782becc5b119990721158dc1455e4a941edb0c8143
[INFO] running `Command { std: "docker" "start" "-a" "19525f2b8b132dc06707b0782becc5b119990721158dc1455e4a941edb0c8143", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19525f2b8b132dc06707b0782becc5b119990721158dc1455e4a941edb0c8143", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19525f2b8b132dc06707b0782becc5b119990721158dc1455e4a941edb0c8143", kill_on_drop: false }`
[INFO] [stdout] 19525f2b8b132dc06707b0782becc5b119990721158dc1455e4a941edb0c8143
[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] 35895c0c176328e85b97d9285fc502037afbd9d36ed4ad2de7e8e25802377646
[INFO] running `Command { std: "docker" "start" "-a" "35895c0c176328e85b97d9285fc502037afbd9d36ed4ad2de7e8e25802377646", kill_on_drop: false }`
[INFO] [stderr]    Compiling r1 v0.6.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "35895c0c176328e85b97d9285fc502037afbd9d36ed4ad2de7e8e25802377646", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35895c0c176328e85b97d9285fc502037afbd9d36ed4ad2de7e8e25802377646", kill_on_drop: false }`
[INFO] [stdout] 35895c0c176328e85b97d9285fc502037afbd9d36ed4ad2de7e8e25802377646
[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] 43a0c8fef53ff49033fe7412f026db1861ef94db275ec97dbc012eae8b4e2298
[INFO] running `Command { std: "docker" "start" "-a" "43a0c8fef53ff49033fe7412f026db1861ef94db275ec97dbc012eae8b4e2298", kill_on_drop: false }`
[INFO] [stderr]    Compiling r1 v0.6.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "43a0c8fef53ff49033fe7412f026db1861ef94db275ec97dbc012eae8b4e2298", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43a0c8fef53ff49033fe7412f026db1861ef94db275ec97dbc012eae8b4e2298", kill_on_drop: false }`
[INFO] [stdout] 43a0c8fef53ff49033fe7412f026db1861ef94db275ec97dbc012eae8b4e2298
[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] 670900a0f4d84c6684a1a2014966f8346af1838bffad873278b98a5f47e473e4
[INFO] running `Command { std: "docker" "start" "-a" "670900a0f4d84c6684a1a2014966f8346af1838bffad873278b98a5f47e473e4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/r1-1b6b16bafc232433)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_crate_version ... 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] [stderr]    Doc-tests r1
[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" "670900a0f4d84c6684a1a2014966f8346af1838bffad873278b98a5f47e473e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "670900a0f4d84c6684a1a2014966f8346af1838bffad873278b98a5f47e473e4", kill_on_drop: false }`
[INFO] [stdout] 670900a0f4d84c6684a1a2014966f8346af1838bffad873278b98a5f47e473e4