[INFO] fetching crate tsukurou_core 0.0.1...
[INFO] testing tsukurou_core-0.0.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate tsukurou_core 0.0.1 into /workspace/builds/worker-112/source
[INFO] validating manifest of crates.io crate tsukurou_core 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 tsukurou_core 0.0.1
[INFO] finished tweaking crates.io crate tsukurou_core 0.0.1
[INFO] tweaked toml for crates.io crate tsukurou_core 0.0.1 written to /workspace/builds/worker-112/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-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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] b86f5dea61cf80a635a28a711cd888891d34db6fd2db6ed9d6f0582154a249de
[INFO] running `Command { std: "docker" "start" "-a" "b86f5dea61cf80a635a28a711cd888891d34db6fd2db6ed9d6f0582154a249de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b86f5dea61cf80a635a28a711cd888891d34db6fd2db6ed9d6f0582154a249de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b86f5dea61cf80a635a28a711cd888891d34db6fd2db6ed9d6f0582154a249de", kill_on_drop: false }`
[INFO] [stdout] b86f5dea61cf80a635a28a711cd888891d34db6fd2db6ed9d6f0582154a249de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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] 78abee40383261659810ed590951ace0acc63ca1c43dda6e3c183d6da6c19167
[INFO] running `Command { std: "docker" "start" "-a" "78abee40383261659810ed590951ace0acc63ca1c43dda6e3c183d6da6c19167", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tsukurou_core v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `Command { std: "docker" "inspect" "78abee40383261659810ed590951ace0acc63ca1c43dda6e3c183d6da6c19167", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78abee40383261659810ed590951ace0acc63ca1c43dda6e3c183d6da6c19167", kill_on_drop: false }`
[INFO] [stdout] 78abee40383261659810ed590951ace0acc63ca1c43dda6e3c183d6da6c19167
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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] 83f4b63ca42b4efc84e15ab78601c9d894e6516baabdb08e2d04ae8f88b3536f
[INFO] running `Command { std: "docker" "start" "-a" "83f4b63ca42b4efc84e15ab78601c9d894e6516baabdb08e2d04ae8f88b3536f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tsukurou_core v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "83f4b63ca42b4efc84e15ab78601c9d894e6516baabdb08e2d04ae8f88b3536f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83f4b63ca42b4efc84e15ab78601c9d894e6516baabdb08e2d04ae8f88b3536f", kill_on_drop: false }`
[INFO] [stdout] 83f4b63ca42b4efc84e15ab78601c9d894e6516baabdb08e2d04ae8f88b3536f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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] 9542c64e3c53014eddae5b93dec062addfbdef1d132dd27a0f3445ca2df5f6d0
[INFO] running `Command { std: "docker" "start" "-a" "9542c64e3c53014eddae5b93dec062addfbdef1d132dd27a0f3445ca2df5f6d0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tsukurou_core-01ded6452eaca984)
[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 tsukurou_core
[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" "9542c64e3c53014eddae5b93dec062addfbdef1d132dd27a0f3445ca2df5f6d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9542c64e3c53014eddae5b93dec062addfbdef1d132dd27a0f3445ca2df5f6d0", kill_on_drop: false }`
[INFO] [stdout] 9542c64e3c53014eddae5b93dec062addfbdef1d132dd27a0f3445ca2df5f6d0