[INFO] fetching crate branch 0.1.0...
[INFO] testing branch-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate branch 0.1.0 into /workspace/builds/worker-89/source
[INFO] validating manifest of crates.io crate branch 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 branch 0.1.0
[INFO] finished tweaking crates.io crate branch 0.1.0
[INFO] tweaked toml for crates.io crate branch 0.1.0 written to /workspace/builds/worker-89/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-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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] ecc74413706c362f1bee42d69ffbfc512d36d66cc490d46ecd89be7ed8e35719
[INFO] running `Command { std: "docker" "start" "-a" "ecc74413706c362f1bee42d69ffbfc512d36d66cc490d46ecd89be7ed8e35719", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ecc74413706c362f1bee42d69ffbfc512d36d66cc490d46ecd89be7ed8e35719", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecc74413706c362f1bee42d69ffbfc512d36d66cc490d46ecd89be7ed8e35719", kill_on_drop: false }`
[INFO] [stdout] ecc74413706c362f1bee42d69ffbfc512d36d66cc490d46ecd89be7ed8e35719
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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] 062cf5d2115e80e4c6ccd829e8f4f50485513deb15f552800f99b6c63211a6e9
[INFO] running `Command { std: "docker" "start" "-a" "062cf5d2115e80e4c6ccd829e8f4f50485513deb15f552800f99b6c63211a6e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling branch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.46s
[INFO] running `Command { std: "docker" "inspect" "062cf5d2115e80e4c6ccd829e8f4f50485513deb15f552800f99b6c63211a6e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "062cf5d2115e80e4c6ccd829e8f4f50485513deb15f552800f99b6c63211a6e9", kill_on_drop: false }`
[INFO] [stdout] 062cf5d2115e80e4c6ccd829e8f4f50485513deb15f552800f99b6c63211a6e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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] 2e975d29c44690a419bbab234c8cade66ee21c03d2902548bd54bad8ae3c7ff0
[INFO] running `Command { std: "docker" "start" "-a" "2e975d29c44690a419bbab234c8cade66ee21c03d2902548bd54bad8ae3c7ff0", kill_on_drop: false }`
[INFO] [stderr]    Compiling branch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "2e975d29c44690a419bbab234c8cade66ee21c03d2902548bd54bad8ae3c7ff0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e975d29c44690a419bbab234c8cade66ee21c03d2902548bd54bad8ae3c7ff0", kill_on_drop: false }`
[INFO] [stdout] 2e975d29c44690a419bbab234c8cade66ee21c03d2902548bd54bad8ae3c7ff0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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] 6c2ff022b5d9c376ec079e9ea95970117e5703a3b0035eacc91ef581f16528dd
[INFO] running `Command { std: "docker" "start" "-a" "6c2ff022b5d9c376ec079e9ea95970117e5703a3b0035eacc91ef581f16528dd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/branch-95de6fa1a5f7a8c9)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/branch-75d1c562cc076c2a)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests branch
[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" "6c2ff022b5d9c376ec079e9ea95970117e5703a3b0035eacc91ef581f16528dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c2ff022b5d9c376ec079e9ea95970117e5703a3b0035eacc91ef581f16528dd", kill_on_drop: false }`
[INFO] [stdout] 6c2ff022b5d9c376ec079e9ea95970117e5703a3b0035eacc91ef581f16528dd