[INFO] cloning repository https://github.com/eGluZl/rust-learn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eGluZl/rust-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FeGluZl%2Frust-learn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FeGluZl%2Frust-learn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d357666a2459359e6ab9aab942dbc6f4a48fe02d
[INFO] testing eGluZl/rust-learn against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FeGluZl%2Frust-learn" "/workspace/builds/worker-103/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-103/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eGluZl/rust-learn 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/eGluZl/rust-learn
[INFO] finished tweaking git repo https://github.com/eGluZl/rust-learn
[INFO] tweaked toml for git repo https://github.com/eGluZl/rust-learn written to /workspace/builds/worker-103/source/Cargo.toml
[INFO] crate git repo https://github.com/eGluZl/rust-learn 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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] 9d0a3c308bbf2f3c138e235ba3b9cbbf2578c2e9b2ed154ec07f5ad467a75150
[INFO] running `Command { std: "docker" "start" "-a" "9d0a3c308bbf2f3c138e235ba3b9cbbf2578c2e9b2ed154ec07f5ad467a75150", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d0a3c308bbf2f3c138e235ba3b9cbbf2578c2e9b2ed154ec07f5ad467a75150", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d0a3c308bbf2f3c138e235ba3b9cbbf2578c2e9b2ed154ec07f5ad467a75150", kill_on_drop: false }`
[INFO] [stdout] 9d0a3c308bbf2f3c138e235ba3b9cbbf2578c2e9b2ed154ec07f5ad467a75150
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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] d3d904f54a670f526f03642fa044081c6de43b2682978756eb456dbee94b092f
[INFO] running `Command { std: "docker" "start" "-a" "d3d904f54a670f526f03642fa044081c6de43b2682978756eb456dbee94b092f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-learn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 34s
[INFO] running `Command { std: "docker" "inspect" "d3d904f54a670f526f03642fa044081c6de43b2682978756eb456dbee94b092f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3d904f54a670f526f03642fa044081c6de43b2682978756eb456dbee94b092f", kill_on_drop: false }`
[INFO] [stdout] d3d904f54a670f526f03642fa044081c6de43b2682978756eb456dbee94b092f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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] f6138bd9f1e60046903de07dc5caacc298784d2fea20cc0aa9b1fb77c7bfd62a
[INFO] running `Command { std: "docker" "start" "-a" "f6138bd9f1e60046903de07dc5caacc298784d2fea20cc0aa9b1fb77c7bfd62a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-learn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "f6138bd9f1e60046903de07dc5caacc298784d2fea20cc0aa9b1fb77c7bfd62a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6138bd9f1e60046903de07dc5caacc298784d2fea20cc0aa9b1fb77c7bfd62a", kill_on_drop: false }`
[INFO] [stdout] f6138bd9f1e60046903de07dc5caacc298784d2fea20cc0aa9b1fb77c7bfd62a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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] 0759e09d47e847627775dcf1f35920198ab0b967a155603bcdb0719248757721
[INFO] running `Command { std: "docker" "start" "-a" "0759e09d47e847627775dcf1f35920198ab0b967a155603bcdb0719248757721", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 12.84s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_learn-7aacc0addc871bf8)
[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" "0759e09d47e847627775dcf1f35920198ab0b967a155603bcdb0719248757721", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0759e09d47e847627775dcf1f35920198ab0b967a155603bcdb0719248757721", kill_on_drop: false }`
[INFO] [stdout] 0759e09d47e847627775dcf1f35920198ab0b967a155603bcdb0719248757721