[INFO] cloning repository https://github.com/newbornfrontender/rust-crash-course
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/newbornfrontender/rust-crash-course" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnewbornfrontender%2Frust-crash-course", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnewbornfrontender%2Frust-crash-course'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 741c54834f10d1e29ad2b643974d56661924d8a1
[INFO] testing newbornfrontender/rust-crash-course against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnewbornfrontender%2Frust-crash-course" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/newbornfrontender/rust-crash-course 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/newbornfrontender/rust-crash-course
[INFO] finished tweaking git repo https://github.com/newbornfrontender/rust-crash-course
[INFO] tweaked toml for git repo https://github.com/newbornfrontender/rust-crash-course written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/newbornfrontender/rust-crash-course 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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 844a6c847ec577da6b95f4051abc84a03e58d33e4b8e23be550c7d00609d09c1
[INFO] running `Command { std: "docker" "start" "-a" "844a6c847ec577da6b95f4051abc84a03e58d33e4b8e23be550c7d00609d09c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "844a6c847ec577da6b95f4051abc84a03e58d33e4b8e23be550c7d00609d09c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "844a6c847ec577da6b95f4051abc84a03e58d33e4b8e23be550c7d00609d09c1", kill_on_drop: false }`
[INFO] [stdout] 844a6c847ec577da6b95f4051abc84a03e58d33e4b8e23be550c7d00609d09c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 7d7d24cafa53f06bb19bc0c94832cc07269ae168d4331c41de0558e01256f9e5
[INFO] running `Command { std: "docker" "start" "-a" "7d7d24cafa53f06bb19bc0c94832cc07269ae168d4331c41de0558e01256f9e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-crash-course v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "7d7d24cafa53f06bb19bc0c94832cc07269ae168d4331c41de0558e01256f9e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d7d24cafa53f06bb19bc0c94832cc07269ae168d4331c41de0558e01256f9e5", kill_on_drop: false }`
[INFO] [stdout] 7d7d24cafa53f06bb19bc0c94832cc07269ae168d4331c41de0558e01256f9e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] b9c1b90b03705c656b3f3bf0c6fe13e823c99485be842358a53249c5a25e0ad5
[INFO] running `Command { std: "docker" "start" "-a" "b9c1b90b03705c656b3f3bf0c6fe13e823c99485be842358a53249c5a25e0ad5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-crash-course v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "b9c1b90b03705c656b3f3bf0c6fe13e823c99485be842358a53249c5a25e0ad5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9c1b90b03705c656b3f3bf0c6fe13e823c99485be842358a53249c5a25e0ad5", kill_on_drop: false }`
[INFO] [stdout] b9c1b90b03705c656b3f3bf0c6fe13e823c99485be842358a53249c5a25e0ad5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 62d7214f8fe092872896b7dd03e3774b483131418a79e97a7754d1b950d51b66
[INFO] running `Command { std: "docker" "start" "-a" "62d7214f8fe092872896b7dd03e3774b483131418a79e97a7754d1b950d51b66", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_crash_course-fa502a7b6ba5b8d4)
[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" "62d7214f8fe092872896b7dd03e3774b483131418a79e97a7754d1b950d51b66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62d7214f8fe092872896b7dd03e3774b483131418a79e97a7754d1b950d51b66", kill_on_drop: false }`
[INFO] [stdout] 62d7214f8fe092872896b7dd03e3774b483131418a79e97a7754d1b950d51b66