[INFO] fetching crate filebox 0.1.0-beta.0...
[INFO] testing filebox-0.1.0-beta.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate filebox 0.1.0-beta.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate filebox 0.1.0-beta.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 filebox 0.1.0-beta.0
[INFO] finished tweaking crates.io crate filebox 0.1.0-beta.0
[INFO] tweaked toml for crates.io crate filebox 0.1.0-beta.0 written to /workspace/builds/worker-1/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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 8f1a004231f70e971d4c6873854144389a51b3b82fd54a6efa68a7d10fdfd033
[INFO] running `Command { std: "docker" "start" "-a" "8f1a004231f70e971d4c6873854144389a51b3b82fd54a6efa68a7d10fdfd033", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f1a004231f70e971d4c6873854144389a51b3b82fd54a6efa68a7d10fdfd033", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f1a004231f70e971d4c6873854144389a51b3b82fd54a6efa68a7d10fdfd033", kill_on_drop: false }`
[INFO] [stdout] 8f1a004231f70e971d4c6873854144389a51b3b82fd54a6efa68a7d10fdfd033
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 7296f1002b07c6152b993225d267a8044a738aedabaa85ce1bde3bfc4bc2610c
[INFO] running `Command { std: "docker" "start" "-a" "7296f1002b07c6152b993225d267a8044a738aedabaa85ce1bde3bfc4bc2610c", kill_on_drop: false }`
[INFO] [stderr]    Compiling filebox v0.1.0-beta.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "7296f1002b07c6152b993225d267a8044a738aedabaa85ce1bde3bfc4bc2610c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7296f1002b07c6152b993225d267a8044a738aedabaa85ce1bde3bfc4bc2610c", kill_on_drop: false }`
[INFO] [stdout] 7296f1002b07c6152b993225d267a8044a738aedabaa85ce1bde3bfc4bc2610c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] d78957e47df989fae095ecec565261d88b6fbd8c4556c2794d144f6580d43551
[INFO] running `Command { std: "docker" "start" "-a" "d78957e47df989fae095ecec565261d88b6fbd8c4556c2794d144f6580d43551", kill_on_drop: false }`
[INFO] [stderr]    Compiling filebox v0.1.0-beta.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "d78957e47df989fae095ecec565261d88b6fbd8c4556c2794d144f6580d43551", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d78957e47df989fae095ecec565261d88b6fbd8c4556c2794d144f6580d43551", kill_on_drop: false }`
[INFO] [stdout] d78957e47df989fae095ecec565261d88b6fbd8c4556c2794d144f6580d43551
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 46a3dd8eefafb0ea475777fa1d09ec26ed1b3ebc1b1810be64895b12b205b9e4
[INFO] running `Command { std: "docker" "start" "-a" "46a3dd8eefafb0ea475777fa1d09ec26ed1b3ebc1b1810be64895b12b205b9e4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/filebox-3986a9211ec8efc4)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests filebox
[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] [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" "46a3dd8eefafb0ea475777fa1d09ec26ed1b3ebc1b1810be64895b12b205b9e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46a3dd8eefafb0ea475777fa1d09ec26ed1b3ebc1b1810be64895b12b205b9e4", kill_on_drop: false }`
[INFO] [stdout] 46a3dd8eefafb0ea475777fa1d09ec26ed1b3ebc1b1810be64895b12b205b9e4