[INFO] cloning repository https://github.com/davidyell/Learning-RustWithCargo [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/davidyell/Learning-RustWithCargo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidyell%2FLearning-RustWithCargo", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidyell%2FLearning-RustWithCargo'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ca0b0601d5fdb9860968711fee7915404efd43ca [INFO] testing davidyell/Learning-RustWithCargo against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidyell%2FLearning-RustWithCargo" "/workspace/builds/worker-31/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-31/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/davidyell/Learning-RustWithCargo 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/davidyell/Learning-RustWithCargo [INFO] finished tweaking git repo https://github.com/davidyell/Learning-RustWithCargo [INFO] tweaked toml for git repo https://github.com/davidyell/Learning-RustWithCargo written to /workspace/builds/worker-31/source/Cargo.toml [INFO] crate git repo https://github.com/davidyell/Learning-RustWithCargo 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-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] 285594173b99b52cba2fcf525e6ede46ec23df6c97c2a8636c12b6bbda59ccee [INFO] running `Command { std: "docker" "start" "-a" "285594173b99b52cba2fcf525e6ede46ec23df6c97c2a8636c12b6bbda59ccee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "285594173b99b52cba2fcf525e6ede46ec23df6c97c2a8636c12b6bbda59ccee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "285594173b99b52cba2fcf525e6ede46ec23df6c97c2a8636c12b6bbda59ccee", kill_on_drop: false }` [INFO] [stdout] 285594173b99b52cba2fcf525e6ede46ec23df6c97c2a8636c12b6bbda59ccee [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] 7153b1fc9d9739d992836e57940f26f6e5d87ad9e3bd3ba85dba5a875efcf2d6 [INFO] running `Command { std: "docker" "start" "-a" "7153b1fc9d9739d992836e57940f26f6e5d87ad9e3bd3ba85dba5a875efcf2d6", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.24 [INFO] [stderr] Compiling rand v0.3.15 [INFO] [stderr] Compiling rust_guessing_game v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.60s [INFO] running `Command { std: "docker" "inspect" "7153b1fc9d9739d992836e57940f26f6e5d87ad9e3bd3ba85dba5a875efcf2d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7153b1fc9d9739d992836e57940f26f6e5d87ad9e3bd3ba85dba5a875efcf2d6", kill_on_drop: false }` [INFO] [stdout] 7153b1fc9d9739d992836e57940f26f6e5d87ad9e3bd3ba85dba5a875efcf2d6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] 616b9688a574d351a3260253308633c4fdf16bfe99c52103df4cc763b1d6a2a7 [INFO] running `Command { std: "docker" "start" "-a" "616b9688a574d351a3260253308633c4fdf16bfe99c52103df4cc763b1d6a2a7", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling rust_guessing_game v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.71s [INFO] running `Command { std: "docker" "inspect" "616b9688a574d351a3260253308633c4fdf16bfe99c52103df4cc763b1d6a2a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "616b9688a574d351a3260253308633c4fdf16bfe99c52103df4cc763b1d6a2a7", kill_on_drop: false }` [INFO] [stdout] 616b9688a574d351a3260253308633c4fdf16bfe99c52103df4cc763b1d6a2a7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] 83271a04dc2f42d5540f1605f27f01b0bc03039b7b4b9d3e797b146796873694 [INFO] running `Command { std: "docker" "start" "-a" "83271a04dc2f42d5540f1605f27f01b0bc03039b7b4b9d3e797b146796873694", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rust_guessing_game-7eb07f0b2b4f6a67) [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" "83271a04dc2f42d5540f1605f27f01b0bc03039b7b4b9d3e797b146796873694", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "83271a04dc2f42d5540f1605f27f01b0bc03039b7b4b9d3e797b146796873694", kill_on_drop: false }` [INFO] [stdout] 83271a04dc2f42d5540f1605f27f01b0bc03039b7b4b9d3e797b146796873694