[INFO] cloning repository https://github.com/steveklabnik/semver.crates.io
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/steveklabnik/semver.crates.io" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsteveklabnik%2Fsemver.crates.io", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsteveklabnik%2Fsemver.crates.io'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b62c75f2b590f1829e359c931d94b676192c2795
[INFO] testing steveklabnik/semver.crates.io against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsteveklabnik%2Fsemver.crates.io" "/workspace/builds/worker-75/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-75/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/steveklabnik/semver.crates.io 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 git repo https://github.com/steveklabnik/semver.crates.io
[INFO] finished tweaking git repo https://github.com/steveklabnik/semver.crates.io
[INFO] tweaked toml for git repo https://github.com/steveklabnik/semver.crates.io written to /workspace/builds/worker-75/source/Cargo.toml
[INFO] crate git repo https://github.com/steveklabnik/semver.crates.io 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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] 2aa9aca751cf275734c5befab85fe37f09cf8261e1d6c425fd50ee9f04c36e2a
[INFO] running `Command { std: "docker" "start" "-a" "2aa9aca751cf275734c5befab85fe37f09cf8261e1d6c425fd50ee9f04c36e2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2aa9aca751cf275734c5befab85fe37f09cf8261e1d6c425fd50ee9f04c36e2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2aa9aca751cf275734c5befab85fe37f09cf8261e1d6c425fd50ee9f04c36e2a", kill_on_drop: false }`
[INFO] [stdout] 2aa9aca751cf275734c5befab85fe37f09cf8261e1d6c425fd50ee9f04c36e2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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] 51bc77c8931edf0ebb96ea900e1d8343a6e659160a54b60729f72b03912831cd
[INFO] running `Command { std: "docker" "start" "-a" "51bc77c8931edf0ebb96ea900e1d8343a6e659160a54b60729f72b03912831cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-cratesio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "51bc77c8931edf0ebb96ea900e1d8343a6e659160a54b60729f72b03912831cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51bc77c8931edf0ebb96ea900e1d8343a6e659160a54b60729f72b03912831cd", kill_on_drop: false }`
[INFO] [stdout] 51bc77c8931edf0ebb96ea900e1d8343a6e659160a54b60729f72b03912831cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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] 21758d9d3fd5c5c36e778f4ad79489c4f99f7262cf5d9180d4850ff7bd262476
[INFO] running `Command { std: "docker" "start" "-a" "21758d9d3fd5c5c36e778f4ad79489c4f99f7262cf5d9180d4850ff7bd262476", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-cratesio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "21758d9d3fd5c5c36e778f4ad79489c4f99f7262cf5d9180d4850ff7bd262476", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21758d9d3fd5c5c36e778f4ad79489c4f99f7262cf5d9180d4850ff7bd262476", kill_on_drop: false }`
[INFO] [stdout] 21758d9d3fd5c5c36e778f4ad79489c4f99f7262cf5d9180d4850ff7bd262476
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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] 62b87c45d8f0beceb6894f65273bc61eda9aa201b137d4ccd8554c6d69789ac0
[INFO] running `Command { std: "docker" "start" "-a" "62b87c45d8f0beceb6894f65273bc61eda9aa201b137d4ccd8554c6d69789ac0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/semver_cratesio-4ef3d7f2312cdc96)
[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" "62b87c45d8f0beceb6894f65273bc61eda9aa201b137d4ccd8554c6d69789ac0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62b87c45d8f0beceb6894f65273bc61eda9aa201b137d4ccd8554c6d69789ac0", kill_on_drop: false }`
[INFO] [stdout] 62b87c45d8f0beceb6894f65273bc61eda9aa201b137d4ccd8554c6d69789ac0