[INFO] fetching crate ufo 0.1.0...
[INFO] testing ufo-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate ufo 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ufo 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 ufo 0.1.0
[INFO] finished tweaking crates.io crate ufo 0.1.0
[INFO] tweaked toml for crates.io crate ufo 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] d06ecaf489c2f0e937938a5a9acb4b2d28d2a4f5f9b6126ed9cae90ed36f647f
[INFO] running `Command { std: "docker" "start" "-a" "d06ecaf489c2f0e937938a5a9acb4b2d28d2a4f5f9b6126ed9cae90ed36f647f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d06ecaf489c2f0e937938a5a9acb4b2d28d2a4f5f9b6126ed9cae90ed36f647f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d06ecaf489c2f0e937938a5a9acb4b2d28d2a4f5f9b6126ed9cae90ed36f647f", kill_on_drop: false }`
[INFO] [stdout] d06ecaf489c2f0e937938a5a9acb4b2d28d2a4f5f9b6126ed9cae90ed36f647f
[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] f2851b8135a4a849b629669f3b62810d7929929bb6a9c3a31919c35a98613865
[INFO] running `Command { std: "docker" "start" "-a" "f2851b8135a4a849b629669f3b62810d7929929bb6a9c3a31919c35a98613865", kill_on_drop: false }`
[INFO] [stderr]    Compiling ufo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "f2851b8135a4a849b629669f3b62810d7929929bb6a9c3a31919c35a98613865", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2851b8135a4a849b629669f3b62810d7929929bb6a9c3a31919c35a98613865", kill_on_drop: false }`
[INFO] [stdout] f2851b8135a4a849b629669f3b62810d7929929bb6a9c3a31919c35a98613865
[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] 701dab93c9deda0c7582ef537834647e3d21852215a9998fb798d079994a155e
[INFO] running `Command { std: "docker" "start" "-a" "701dab93c9deda0c7582ef537834647e3d21852215a9998fb798d079994a155e", kill_on_drop: false }`
[INFO] [stderr]    Compiling ufo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "701dab93c9deda0c7582ef537834647e3d21852215a9998fb798d079994a155e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "701dab93c9deda0c7582ef537834647e3d21852215a9998fb798d079994a155e", kill_on_drop: false }`
[INFO] [stdout] 701dab93c9deda0c7582ef537834647e3d21852215a9998fb798d079994a155e
[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] f4c964a26c38f5b19fd0e4ab60270a475332934682c733ec42fb286308f21337
[INFO] running `Command { std: "docker" "start" "-a" "f4c964a26c38f5b19fd0e4ab60270a475332934682c733ec42fb286308f21337", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ufo-b755ccff91f89bad)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ufo
[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 1 test
[INFO] [stdout] test src/lib.rs - (line 25) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.43s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f4c964a26c38f5b19fd0e4ab60270a475332934682c733ec42fb286308f21337", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4c964a26c38f5b19fd0e4ab60270a475332934682c733ec42fb286308f21337", kill_on_drop: false }`
[INFO] [stdout] f4c964a26c38f5b19fd0e4ab60270a475332934682c733ec42fb286308f21337