[INFO] fetching crate escafers 0.1.0...
[INFO] testing escafers-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate escafers 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate escafers 0.1.0 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 escafers 0.1.0
[INFO] finished tweaking crates.io crate escafers 0.1.0
[INFO] tweaked toml for crates.io crate escafers 0.1.0 written to /workspace/builds/worker-0/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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 9a5dfa947bca08df4e2c2a524d86b6d226c2952d00f8666b654180960114f879
[INFO] running `Command { std: "docker" "start" "-a" "9a5dfa947bca08df4e2c2a524d86b6d226c2952d00f8666b654180960114f879", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a5dfa947bca08df4e2c2a524d86b6d226c2952d00f8666b654180960114f879", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a5dfa947bca08df4e2c2a524d86b6d226c2952d00f8666b654180960114f879", kill_on_drop: false }`
[INFO] [stdout] 9a5dfa947bca08df4e2c2a524d86b6d226c2952d00f8666b654180960114f879
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] fc9e4635d64138b9a20434f2396330125f890e433831b6114c29ec7e5707219a
[INFO] running `Command { std: "docker" "start" "-a" "fc9e4635d64138b9a20434f2396330125f890e433831b6114c29ec7e5707219a", kill_on_drop: false }`
[INFO] [stderr]    Compiling escafers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "fc9e4635d64138b9a20434f2396330125f890e433831b6114c29ec7e5707219a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc9e4635d64138b9a20434f2396330125f890e433831b6114c29ec7e5707219a", kill_on_drop: false }`
[INFO] [stdout] fc9e4635d64138b9a20434f2396330125f890e433831b6114c29ec7e5707219a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] dc5393aee2e437e53ca1ea46bb837578f6e4b132fcd6d4c1b931d4e75f366c6a
[INFO] running `Command { std: "docker" "start" "-a" "dc5393aee2e437e53ca1ea46bb837578f6e4b132fcd6d4c1b931d4e75f366c6a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling escafers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "dc5393aee2e437e53ca1ea46bb837578f6e4b132fcd6d4c1b931d4e75f366c6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc5393aee2e437e53ca1ea46bb837578f6e4b132fcd6d4c1b931d4e75f366c6a", kill_on_drop: false }`
[INFO] [stdout] dc5393aee2e437e53ca1ea46bb837578f6e4b132fcd6d4c1b931d4e75f366c6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 9a59e52c14297249e740d4bce265bce311f0758c837428cf00ab0767ca10abca
[INFO] running `Command { std: "docker" "start" "-a" "9a59e52c14297249e740d4bce265bce311f0758c837428cf00ab0767ca10abca", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/escafers-3707a122483e5a59)
[INFO] [stdout] test tests::ok ... ok
[INFO] [stderr]    Doc-tests escafers
[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] [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" "9a59e52c14297249e740d4bce265bce311f0758c837428cf00ab0767ca10abca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a59e52c14297249e740d4bce265bce311f0758c837428cf00ab0767ca10abca", kill_on_drop: false }`
[INFO] [stdout] 9a59e52c14297249e740d4bce265bce311f0758c837428cf00ab0767ca10abca