[INFO] fetching crate roro 0.0.0...
[INFO] testing roro-0.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate roro 0.0.0 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate roro 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 roro 0.0.0
[INFO] finished tweaking crates.io crate roro 0.0.0
[INFO] tweaked toml for crates.io crate roro 0.0.0 written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] crate crates.io crate roro 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded roro-lib v0.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 9a8da571204e1eccdcfe6eeabecaecb3c106d5db4e8ca6d1904ebd7c4a570da5
[INFO] running `Command { std: "docker" "start" "-a" "9a8da571204e1eccdcfe6eeabecaecb3c106d5db4e8ca6d1904ebd7c4a570da5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a8da571204e1eccdcfe6eeabecaecb3c106d5db4e8ca6d1904ebd7c4a570da5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a8da571204e1eccdcfe6eeabecaecb3c106d5db4e8ca6d1904ebd7c4a570da5", kill_on_drop: false }`
[INFO] [stdout] 9a8da571204e1eccdcfe6eeabecaecb3c106d5db4e8ca6d1904ebd7c4a570da5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 37f1ca4d7fb22c2fcdca126072e225458bce6dbb7e1260d1b8882ec90c02f6d4
[INFO] running `Command { std: "docker" "start" "-a" "37f1ca4d7fb22c2fcdca126072e225458bce6dbb7e1260d1b8882ec90c02f6d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling roro-lib v0.0.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling roro v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.25s
[INFO] running `Command { std: "docker" "inspect" "37f1ca4d7fb22c2fcdca126072e225458bce6dbb7e1260d1b8882ec90c02f6d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37f1ca4d7fb22c2fcdca126072e225458bce6dbb7e1260d1b8882ec90c02f6d4", kill_on_drop: false }`
[INFO] [stdout] 37f1ca4d7fb22c2fcdca126072e225458bce6dbb7e1260d1b8882ec90c02f6d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 0aea3502b8404329032996a0e9475853b332f08c220f243285f6b436ddf1cfbd
[INFO] running `Command { std: "docker" "start" "-a" "0aea3502b8404329032996a0e9475853b332f08c220f243285f6b436ddf1cfbd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling roro v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `Command { std: "docker" "inspect" "0aea3502b8404329032996a0e9475853b332f08c220f243285f6b436ddf1cfbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0aea3502b8404329032996a0e9475853b332f08c220f243285f6b436ddf1cfbd", kill_on_drop: false }`
[INFO] [stdout] 0aea3502b8404329032996a0e9475853b332f08c220f243285f6b436ddf1cfbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 114ec1ccdd4152c5f9abe86ff0f4dd1328b2b06b5354441409b88654bd434a83
[INFO] running `Command { std: "docker" "start" "-a" "114ec1ccdd4152c5f9abe86ff0f4dd1328b2b06b5354441409b88654bd434a83", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/roro-44814ce7cb3361be)
[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" "114ec1ccdd4152c5f9abe86ff0f4dd1328b2b06b5354441409b88654bd434a83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "114ec1ccdd4152c5f9abe86ff0f4dd1328b2b06b5354441409b88654bd434a83", kill_on_drop: false }`
[INFO] [stdout] 114ec1ccdd4152c5f9abe86ff0f4dd1328b2b06b5354441409b88654bd434a83