[INFO] cloning repository https://github.com/cronokirby/arbor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cronokirby/arbor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcronokirby%2Farbor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcronokirby%2Farbor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9e6c095c06f0878efd223afe0609e473323efac7
[INFO] testing cronokirby/arbor against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcronokirby%2Farbor" "/workspace/builds/worker-21/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-21/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cronokirby/arbor 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/cronokirby/arbor
[INFO] finished tweaking git repo https://github.com/cronokirby/arbor
[INFO] tweaked toml for git repo https://github.com/cronokirby/arbor written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate git repo https://github.com/cronokirby/arbor 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] d669ca54bb2e7ec4a8be85bd1673f3c4983bff10d2725fba5e53a610ca10d8c3
[INFO] running `Command { std: "docker" "start" "-a" "d669ca54bb2e7ec4a8be85bd1673f3c4983bff10d2725fba5e53a610ca10d8c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d669ca54bb2e7ec4a8be85bd1673f3c4983bff10d2725fba5e53a610ca10d8c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d669ca54bb2e7ec4a8be85bd1673f3c4983bff10d2725fba5e53a610ca10d8c3", kill_on_drop: false }`
[INFO] [stdout] d669ca54bb2e7ec4a8be85bd1673f3c4983bff10d2725fba5e53a610ca10d8c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] b2c628d78fe76845e36f225c82c6c2d85dd625e12b5f769967dbbad14cb5feae
[INFO] running `Command { std: "docker" "start" "-a" "b2c628d78fe76845e36f225c82c6c2d85dd625e12b5f769967dbbad14cb5feae", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling arbor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.35s
[INFO] running `Command { std: "docker" "inspect" "b2c628d78fe76845e36f225c82c6c2d85dd625e12b5f769967dbbad14cb5feae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2c628d78fe76845e36f225c82c6c2d85dd625e12b5f769967dbbad14cb5feae", kill_on_drop: false }`
[INFO] [stdout] b2c628d78fe76845e36f225c82c6c2d85dd625e12b5f769967dbbad14cb5feae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 8be5d4f7c8c083c81c708c9592b9c14938aa01a35b039a1bc9046ab239edb191
[INFO] running `Command { std: "docker" "start" "-a" "8be5d4f7c8c083c81c708c9592b9c14938aa01a35b039a1bc9046ab239edb191", kill_on_drop: false }`
[INFO] [stderr]    Compiling arbor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "8be5d4f7c8c083c81c708c9592b9c14938aa01a35b039a1bc9046ab239edb191", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8be5d4f7c8c083c81c708c9592b9c14938aa01a35b039a1bc9046ab239edb191", kill_on_drop: false }`
[INFO] [stdout] 8be5d4f7c8c083c81c708c9592b9c14938aa01a35b039a1bc9046ab239edb191
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 83fb89396f9eae69d678cdb17a9801bc742079738dfcf2b3d7fb555e09908764
[INFO] running `Command { std: "docker" "start" "-a" "83fb89396f9eae69d678cdb17a9801bc742079738dfcf2b3d7fb555e09908764", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.82s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/arbor-cf2406e8b7ecb00a)
[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" "83fb89396f9eae69d678cdb17a9801bc742079738dfcf2b3d7fb555e09908764", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83fb89396f9eae69d678cdb17a9801bc742079738dfcf2b3d7fb555e09908764", kill_on_drop: false }`
[INFO] [stdout] 83fb89396f9eae69d678cdb17a9801bc742079738dfcf2b3d7fb555e09908764