[INFO] cloning repository https://github.com/becky112358/learning_rust_blog
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/becky112358/learning_rust_blog" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbecky112358%2Flearning_rust_blog", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbecky112358%2Flearning_rust_blog'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a3a9530619f52d4d5b71b6a8988a209b5d92695b
[INFO] testing becky112358/learning_rust_blog against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbecky112358%2Flearning_rust_blog" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/becky112358/learning_rust_blog 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/becky112358/learning_rust_blog
[INFO] finished tweaking git repo https://github.com/becky112358/learning_rust_blog
[INFO] tweaked toml for git repo https://github.com/becky112358/learning_rust_blog written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/becky112358/learning_rust_blog 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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 5e75c6c1435b4ab9bed7ca6f109b93102d488ae2bf23f4f870264e43ed835c1e
[INFO] running `Command { std: "docker" "start" "-a" "5e75c6c1435b4ab9bed7ca6f109b93102d488ae2bf23f4f870264e43ed835c1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e75c6c1435b4ab9bed7ca6f109b93102d488ae2bf23f4f870264e43ed835c1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e75c6c1435b4ab9bed7ca6f109b93102d488ae2bf23f4f870264e43ed835c1e", kill_on_drop: false }`
[INFO] [stdout] 5e75c6c1435b4ab9bed7ca6f109b93102d488ae2bf23f4f870264e43ed835c1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 88928d4b399ba190662a9f81248c813accc6bd6082544b99d0458b260cbcac75
[INFO] running `Command { std: "docker" "start" "-a" "88928d4b399ba190662a9f81248c813accc6bd6082544b99d0458b260cbcac75", kill_on_drop: false }`
[INFO] [stderr]    Compiling learning_rust_blog v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "88928d4b399ba190662a9f81248c813accc6bd6082544b99d0458b260cbcac75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88928d4b399ba190662a9f81248c813accc6bd6082544b99d0458b260cbcac75", kill_on_drop: false }`
[INFO] [stdout] 88928d4b399ba190662a9f81248c813accc6bd6082544b99d0458b260cbcac75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 4c0eb27513757be6b85fb3a33c15a43678ebc66c3831437271af229abfb4b3b8
[INFO] running `Command { std: "docker" "start" "-a" "4c0eb27513757be6b85fb3a33c15a43678ebc66c3831437271af229abfb4b3b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling learning_rust_blog v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "4c0eb27513757be6b85fb3a33c15a43678ebc66c3831437271af229abfb4b3b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c0eb27513757be6b85fb3a33c15a43678ebc66c3831437271af229abfb4b3b8", kill_on_drop: false }`
[INFO] [stdout] 4c0eb27513757be6b85fb3a33c15a43678ebc66c3831437271af229abfb4b3b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 9e24ddb414192d88ff68339dee600488b6aaed8d58dfad18544d96c388504e79
[INFO] running `Command { std: "docker" "start" "-a" "9e24ddb414192d88ff68339dee600488b6aaed8d58dfad18544d96c388504e79", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/learning_rust_blog-37e6c607e2665b34)
[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" "9e24ddb414192d88ff68339dee600488b6aaed8d58dfad18544d96c388504e79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e24ddb414192d88ff68339dee600488b6aaed8d58dfad18544d96c388504e79", kill_on_drop: false }`
[INFO] [stdout] 9e24ddb414192d88ff68339dee600488b6aaed8d58dfad18544d96c388504e79