[INFO] cloning repository https://github.com/plaptov/rust_training
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/plaptov/rust_training" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplaptov%2Frust_training", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplaptov%2Frust_training'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f28dccb867d95c21751a2e830f18476b5e096af3
[INFO] testing plaptov/rust_training against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplaptov%2Frust_training" "/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/plaptov/rust_training 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/plaptov/rust_training
[INFO] finished tweaking git repo https://github.com/plaptov/rust_training
[INFO] tweaked toml for git repo https://github.com/plaptov/rust_training written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/plaptov/rust_training 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-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] 720ba98c09fec06055093040e0f32fe96943b53ef9b90557ed6bd6c3881e8b6c
[INFO] running `Command { std: "docker" "start" "-a" "720ba98c09fec06055093040e0f32fe96943b53ef9b90557ed6bd6c3881e8b6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "720ba98c09fec06055093040e0f32fe96943b53ef9b90557ed6bd6c3881e8b6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "720ba98c09fec06055093040e0f32fe96943b53ef9b90557ed6bd6c3881e8b6c", kill_on_drop: false }`
[INFO] [stdout] 720ba98c09fec06055093040e0f32fe96943b53ef9b90557ed6bd6c3881e8b6c
[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] 19072b1a100f6217ab4a63c22136400737a1655cf8fcc93800d555480124b258
[INFO] running `Command { std: "docker" "start" "-a" "19072b1a100f6217ab4a63c22136400737a1655cf8fcc93800d555480124b258", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_training v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.08s
[INFO] running `Command { std: "docker" "inspect" "19072b1a100f6217ab4a63c22136400737a1655cf8fcc93800d555480124b258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19072b1a100f6217ab4a63c22136400737a1655cf8fcc93800d555480124b258", kill_on_drop: false }`
[INFO] [stdout] 19072b1a100f6217ab4a63c22136400737a1655cf8fcc93800d555480124b258
[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] 250237c2d8f86a750861d56a1b59b5a053edc11cefe7164097ab17752ed1f2b6
[INFO] running `Command { std: "docker" "start" "-a" "250237c2d8f86a750861d56a1b59b5a053edc11cefe7164097ab17752ed1f2b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_training v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "250237c2d8f86a750861d56a1b59b5a053edc11cefe7164097ab17752ed1f2b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "250237c2d8f86a750861d56a1b59b5a053edc11cefe7164097ab17752ed1f2b6", kill_on_drop: false }`
[INFO] [stdout] 250237c2d8f86a750861d56a1b59b5a053edc11cefe7164097ab17752ed1f2b6
[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] 521884d8c5a8dfc58f4f504e8f37fd04fba8c016a06f7d1b24d8c75befa35ab9
[INFO] running `Command { std: "docker" "start" "-a" "521884d8c5a8dfc58f4f504e8f37fd04fba8c016a06f7d1b24d8c75befa35ab9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.16s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_training-10273bf4c961dd2a)
[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" "521884d8c5a8dfc58f4f504e8f37fd04fba8c016a06f7d1b24d8c75befa35ab9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "521884d8c5a8dfc58f4f504e8f37fd04fba8c016a06f7d1b24d8c75befa35ab9", kill_on_drop: false }`
[INFO] [stdout] 521884d8c5a8dfc58f4f504e8f37fd04fba8c016a06f7d1b24d8c75befa35ab9