[INFO] cloning repository https://github.com/dgnsrekt/learning-rust-by-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dgnsrekt/learning-rust-by-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdgnsrekt%2Flearning-rust-by-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdgnsrekt%2Flearning-rust-by-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ccc3b39abd327d3ba3084a14e453a99e3a5254c9
[INFO] testing dgnsrekt/learning-rust-by-example against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdgnsrekt%2Flearning-rust-by-example" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dgnsrekt/learning-rust-by-example on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dgnsrekt/learning-rust-by-example
[INFO] finished tweaking git repo https://github.com/dgnsrekt/learning-rust-by-example
[INFO] tweaked toml for git repo https://github.com/dgnsrekt/learning-rust-by-example written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/dgnsrekt/learning-rust-by-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 191ff9e1f8b2554a6a75870a2876565ede731badcb7a3d476e9d86b3dfbbd721
[INFO] running `Command { std: "docker" "start" "-a" "191ff9e1f8b2554a6a75870a2876565ede731badcb7a3d476e9d86b3dfbbd721", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "191ff9e1f8b2554a6a75870a2876565ede731badcb7a3d476e9d86b3dfbbd721", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "191ff9e1f8b2554a6a75870a2876565ede731badcb7a3d476e9d86b3dfbbd721", kill_on_drop: false }`
[INFO] [stdout] 191ff9e1f8b2554a6a75870a2876565ede731badcb7a3d476e9d86b3dfbbd721
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b02cae46ce310e253b7487377714d73085315728d2a5f7838d68f5a477859d2
[INFO] running `Command { std: "docker" "start" "-a" "6b02cae46ce310e253b7487377714d73085315728d2a5f7838d68f5a477859d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling learning-rust-by-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "6b02cae46ce310e253b7487377714d73085315728d2a5f7838d68f5a477859d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b02cae46ce310e253b7487377714d73085315728d2a5f7838d68f5a477859d2", kill_on_drop: false }`
[INFO] [stdout] 6b02cae46ce310e253b7487377714d73085315728d2a5f7838d68f5a477859d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d963b9a9b22f68ca2d38c2b6cd5ec48167a754568d17d5b1e26ca431c5cee903
[INFO] running `Command { std: "docker" "start" "-a" "d963b9a9b22f68ca2d38c2b6cd5ec48167a754568d17d5b1e26ca431c5cee903", kill_on_drop: false }`
[INFO] [stderr]    Compiling learning-rust-by-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "d963b9a9b22f68ca2d38c2b6cd5ec48167a754568d17d5b1e26ca431c5cee903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d963b9a9b22f68ca2d38c2b6cd5ec48167a754568d17d5b1e26ca431c5cee903", kill_on_drop: false }`
[INFO] [stdout] d963b9a9b22f68ca2d38c2b6cd5ec48167a754568d17d5b1e26ca431c5cee903
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f1a9fb65dca74958d27adfaa9df125b59cbb14ab4fba3784e13147b390ece0af
[INFO] running `Command { std: "docker" "start" "-a" "f1a9fb65dca74958d27adfaa9df125b59cbb14ab4fba3784e13147b390ece0af", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/learning_rust_by_example-2af19e7a13ef309c)
[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" "f1a9fb65dca74958d27adfaa9df125b59cbb14ab4fba3784e13147b390ece0af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1a9fb65dca74958d27adfaa9df125b59cbb14ab4fba3784e13147b390ece0af", kill_on_drop: false }`
[INFO] [stdout] f1a9fb65dca74958d27adfaa9df125b59cbb14ab4fba3784e13147b390ece0af