[INFO] fetching crate ru 0.0.0...
[INFO] testing ru-0.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate ru 0.0.0 into /workspace/builds/worker-108/source
[INFO] validating manifest of crates.io crate ru 0.0.0 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 ru 0.0.0
[INFO] finished tweaking crates.io crate ru 0.0.0
[INFO] tweaked toml for crates.io crate ru 0.0.0 written to /workspace/builds/worker-108/source/Cargo.toml
[INFO] crate crates.io crate ru 0.0.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] 6beac09b9ded0ce8e9c1b406397d54ece2d23c130d50e41a079cefff1e485d51
[INFO] running `Command { std: "docker" "start" "-a" "6beac09b9ded0ce8e9c1b406397d54ece2d23c130d50e41a079cefff1e485d51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6beac09b9ded0ce8e9c1b406397d54ece2d23c130d50e41a079cefff1e485d51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6beac09b9ded0ce8e9c1b406397d54ece2d23c130d50e41a079cefff1e485d51", kill_on_drop: false }`
[INFO] [stdout] 6beac09b9ded0ce8e9c1b406397d54ece2d23c130d50e41a079cefff1e485d51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] c294f90be6e1b58eb8484973411360e0bbbbfb08ddeb1d8834d68e4e49059a78
[INFO] running `Command { std: "docker" "start" "-a" "c294f90be6e1b58eb8484973411360e0bbbbfb08ddeb1d8834d68e4e49059a78", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ru v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `Command { std: "docker" "inspect" "c294f90be6e1b58eb8484973411360e0bbbbfb08ddeb1d8834d68e4e49059a78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c294f90be6e1b58eb8484973411360e0bbbbfb08ddeb1d8834d68e4e49059a78", kill_on_drop: false }`
[INFO] [stdout] c294f90be6e1b58eb8484973411360e0bbbbfb08ddeb1d8834d68e4e49059a78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] 41e41e5b0e9b7196b09c97a2c0fd7cfbad310f39846a7e32e9a32c6ccf0a6a84
[INFO] running `Command { std: "docker" "start" "-a" "41e41e5b0e9b7196b09c97a2c0fd7cfbad310f39846a7e32e9a32c6ccf0a6a84", kill_on_drop: false }`
[INFO] [stderr]    Compiling ru v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "41e41e5b0e9b7196b09c97a2c0fd7cfbad310f39846a7e32e9a32c6ccf0a6a84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41e41e5b0e9b7196b09c97a2c0fd7cfbad310f39846a7e32e9a32c6ccf0a6a84", kill_on_drop: false }`
[INFO] [stdout] 41e41e5b0e9b7196b09c97a2c0fd7cfbad310f39846a7e32e9a32c6ccf0a6a84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] 02a7b1d38cbe8f2c1bfab5615218f8e9965ae339b74ba3b0f36bfeb41b92f333
[INFO] running `Command { std: "docker" "start" "-a" "02a7b1d38cbe8f2c1bfab5615218f8e9965ae339b74ba3b0f36bfeb41b92f333", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ru-eeb9a47ddc52ee50)
[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" "02a7b1d38cbe8f2c1bfab5615218f8e9965ae339b74ba3b0f36bfeb41b92f333", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02a7b1d38cbe8f2c1bfab5615218f8e9965ae339b74ba3b0f36bfeb41b92f333", kill_on_drop: false }`
[INFO] [stdout] 02a7b1d38cbe8f2c1bfab5615218f8e9965ae339b74ba3b0f36bfeb41b92f333