[INFO] fetching crate file_wrap 0.2.0...
[INFO] testing file_wrap-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate file_wrap 0.2.0 into /workspace/builds/worker-64/source
[INFO] validating manifest of crates.io crate file_wrap 0.2.0 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 file_wrap 0.2.0
[INFO] finished tweaking crates.io crate file_wrap 0.2.0
[INFO] tweaked toml for crates.io crate file_wrap 0.2.0 written to /workspace/builds/worker-64/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] [stderr]     Blocking waiting for file lock on package cache
[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-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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] 2269ac00ee17e1924eb7a15ce12ce8428359f6ce39eec9897719e76d7d7cc0b2
[INFO] running `Command { std: "docker" "start" "-a" "2269ac00ee17e1924eb7a15ce12ce8428359f6ce39eec9897719e76d7d7cc0b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2269ac00ee17e1924eb7a15ce12ce8428359f6ce39eec9897719e76d7d7cc0b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2269ac00ee17e1924eb7a15ce12ce8428359f6ce39eec9897719e76d7d7cc0b2", kill_on_drop: false }`
[INFO] [stdout] 2269ac00ee17e1924eb7a15ce12ce8428359f6ce39eec9897719e76d7d7cc0b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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] d3d3ef994ef92bf5d6b464c40b346542e29aee317b0ae9f15f59f817d92ed415
[INFO] running `Command { std: "docker" "start" "-a" "d3d3ef994ef92bf5d6b464c40b346542e29aee317b0ae9f15f59f817d92ed415", kill_on_drop: false }`
[INFO] [stderr]    Compiling file_wrap v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "d3d3ef994ef92bf5d6b464c40b346542e29aee317b0ae9f15f59f817d92ed415", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3d3ef994ef92bf5d6b464c40b346542e29aee317b0ae9f15f59f817d92ed415", kill_on_drop: false }`
[INFO] [stdout] d3d3ef994ef92bf5d6b464c40b346542e29aee317b0ae9f15f59f817d92ed415
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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] 1f212870f7c79683d7c402128341735ff09f27f852d3b18e841efac34a602f4c
[INFO] running `Command { std: "docker" "start" "-a" "1f212870f7c79683d7c402128341735ff09f27f852d3b18e841efac34a602f4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling file_wrap v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "1f212870f7c79683d7c402128341735ff09f27f852d3b18e841efac34a602f4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f212870f7c79683d7c402128341735ff09f27f852d3b18e841efac34a602f4c", kill_on_drop: false }`
[INFO] [stdout] 1f212870f7c79683d7c402128341735ff09f27f852d3b18e841efac34a602f4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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] 354df47a6c0aaadcd26ed723b397ae69eb97b4e55cf9975a65ddaa6d54e127be
[INFO] running `Command { std: "docker" "start" "-a" "354df47a6c0aaadcd26ed723b397ae69eb97b4e55cf9975a65ddaa6d54e127be", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/file_wrap-f80952b85c4e74d4)
[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 file_wrap
[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" "354df47a6c0aaadcd26ed723b397ae69eb97b4e55cf9975a65ddaa6d54e127be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "354df47a6c0aaadcd26ed723b397ae69eb97b4e55cf9975a65ddaa6d54e127be", kill_on_drop: false }`
[INFO] [stdout] 354df47a6c0aaadcd26ed723b397ae69eb97b4e55cf9975a65ddaa6d54e127be