[INFO] cloning repository https://github.com/aneun-rust-book/Hello-World
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aneun-rust-book/Hello-World" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faneun-rust-book%2FHello-World", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faneun-rust-book%2FHello-World'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 98aac49e98e2f35ef8cb36ebc0828d86e3cbf41d
[INFO] testing aneun-rust-book/Hello-World against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faneun-rust-book%2FHello-World" "/workspace/builds/worker-20/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aneun-rust-book/Hello-World on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aneun-rust-book/Hello-World
[INFO] finished tweaking git repo https://github.com/aneun-rust-book/Hello-World
[INFO] tweaked toml for git repo https://github.com/aneun-rust-book/Hello-World written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate git repo https://github.com/aneun-rust-book/Hello-World already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c0286b989abb6320b8ff07f3e47f359aff29da41deaa83db9cc537a577c7608
[INFO] running `Command { std: "docker" "start" "-a" "2c0286b989abb6320b8ff07f3e47f359aff29da41deaa83db9cc537a577c7608", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c0286b989abb6320b8ff07f3e47f359aff29da41deaa83db9cc537a577c7608", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c0286b989abb6320b8ff07f3e47f359aff29da41deaa83db9cc537a577c7608", kill_on_drop: false }`
[INFO] [stdout] 2c0286b989abb6320b8ff07f3e47f359aff29da41deaa83db9cc537a577c7608
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f16fb9f4987fde28ad0318d90d4f7022ad348fc0de55a4a07c457edc7800522
[INFO] running `Command { std: "docker" "start" "-a" "1f16fb9f4987fde28ad0318d90d4f7022ad348fc0de55a4a07c457edc7800522", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling hello_world v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "1f16fb9f4987fde28ad0318d90d4f7022ad348fc0de55a4a07c457edc7800522", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f16fb9f4987fde28ad0318d90d4f7022ad348fc0de55a4a07c457edc7800522", kill_on_drop: false }`
[INFO] [stdout] 1f16fb9f4987fde28ad0318d90d4f7022ad348fc0de55a4a07c457edc7800522
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39e8f139da3b62aba0ff193a927f2f1b6ecc2b48e0fb93ba6df25ee058322758
[INFO] running `Command { std: "docker" "start" "-a" "39e8f139da3b62aba0ff193a927f2f1b6ecc2b48e0fb93ba6df25ee058322758", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling hello_world v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.22s
[INFO] running `Command { std: "docker" "inspect" "39e8f139da3b62aba0ff193a927f2f1b6ecc2b48e0fb93ba6df25ee058322758", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39e8f139da3b62aba0ff193a927f2f1b6ecc2b48e0fb93ba6df25ee058322758", kill_on_drop: false }`
[INFO] [stdout] 39e8f139da3b62aba0ff193a927f2f1b6ecc2b48e0fb93ba6df25ee058322758
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6b6374492d0304451235416cf1646a1fb998724fb09a507edf4d28579b43cf4d
[INFO] running `Command { std: "docker" "start" "-a" "6b6374492d0304451235416cf1646a1fb998724fb09a507edf4d28579b43cf4d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hello_world-c85c0814e23e2157)
[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" "6b6374492d0304451235416cf1646a1fb998724fb09a507edf4d28579b43cf4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b6374492d0304451235416cf1646a1fb998724fb09a507edf4d28579b43cf4d", kill_on_drop: false }`
[INFO] [stdout] 6b6374492d0304451235416cf1646a1fb998724fb09a507edf4d28579b43cf4d