[INFO] cloning repository https://github.com/JohnHSKim/rust-study
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JohnHSKim/rust-study" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohnHSKim%2Frust-study", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohnHSKim%2Frust-study'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f77e08bff3da1a4651bd42ad270f13d16cc0be8f
[INFO] testing JohnHSKim/rust-study 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%2FJohnHSKim%2Frust-study" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JohnHSKim/rust-study 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/JohnHSKim/rust-study
[INFO] finished tweaking git repo https://github.com/JohnHSKim/rust-study
[INFO] tweaked toml for git repo https://github.com/JohnHSKim/rust-study written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/JohnHSKim/rust-study 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] fe68fe5114c7b157e001a15f3de0404878c7b0783b99d63e883f40a9fc35aeaa
[INFO] running `Command { std: "docker" "start" "-a" "fe68fe5114c7b157e001a15f3de0404878c7b0783b99d63e883f40a9fc35aeaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe68fe5114c7b157e001a15f3de0404878c7b0783b99d63e883f40a9fc35aeaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe68fe5114c7b157e001a15f3de0404878c7b0783b99d63e883f40a9fc35aeaa", kill_on_drop: false }`
[INFO] [stdout] fe68fe5114c7b157e001a15f3de0404878c7b0783b99d63e883f40a9fc35aeaa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 7a502704bafe4809cd990c193008e9054ab8a4198c0fab48eafc72572c536c16
[INFO] running `Command { std: "docker" "start" "-a" "7a502704bafe4809cd990c193008e9054ab8a4198c0fab48eafc72572c536c16", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-study v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "7a502704bafe4809cd990c193008e9054ab8a4198c0fab48eafc72572c536c16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a502704bafe4809cd990c193008e9054ab8a4198c0fab48eafc72572c536c16", kill_on_drop: false }`
[INFO] [stdout] 7a502704bafe4809cd990c193008e9054ab8a4198c0fab48eafc72572c536c16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 51d1e93e4792a86473ed72ad8e9efe89c7dd9fca6368cab14680cf25ca9b784e
[INFO] running `Command { std: "docker" "start" "-a" "51d1e93e4792a86473ed72ad8e9efe89c7dd9fca6368cab14680cf25ca9b784e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-study v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "51d1e93e4792a86473ed72ad8e9efe89c7dd9fca6368cab14680cf25ca9b784e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51d1e93e4792a86473ed72ad8e9efe89c7dd9fca6368cab14680cf25ca9b784e", kill_on_drop: false }`
[INFO] [stdout] 51d1e93e4792a86473ed72ad8e9efe89c7dd9fca6368cab14680cf25ca9b784e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] d66636f40fbffc2b9708d9933b99eb53e41bd7ece34ddaf6e4cf8dfe2d1f2e44
[INFO] running `Command { std: "docker" "start" "-a" "d66636f40fbffc2b9708d9933b99eb53e41bd7ece34ddaf6e4cf8dfe2d1f2e44", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_study-7cc72163a3364689)
[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" "d66636f40fbffc2b9708d9933b99eb53e41bd7ece34ddaf6e4cf8dfe2d1f2e44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d66636f40fbffc2b9708d9933b99eb53e41bd7ece34ddaf6e4cf8dfe2d1f2e44", kill_on_drop: false }`
[INFO] [stdout] d66636f40fbffc2b9708d9933b99eb53e41bd7ece34ddaf6e4cf8dfe2d1f2e44