[INFO] cloning repository https://github.com/razorbacky/while_l
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/razorbacky/while_l" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frazorbacky%2Fwhile_l", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frazorbacky%2Fwhile_l'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c846f8fcf4d8214b76383b5c15e9d6d32731f8fa
[INFO] building razorbacky/while_l against try#8b8eff55bd72abbb57167bc42222a7f91d41cb0d for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frazorbacky%2Fwhile_l" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/razorbacky/while_l on toolchain 8b8eff55bd72abbb57167bc42222a7f91d41cb0d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/razorbacky/while_l
[INFO] finished tweaking git repo https://github.com/razorbacky/while_l
[INFO] tweaked toml for git repo https://github.com/razorbacky/while_l written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/razorbacky/while_l already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34f9b5beaa93e11ba837f0661fa13de968932dcd29d6a23274a096f4ac68b7b3
[INFO] running `Command { std: "docker" "start" "-a" "34f9b5beaa93e11ba837f0661fa13de968932dcd29d6a23274a096f4ac68b7b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34f9b5beaa93e11ba837f0661fa13de968932dcd29d6a23274a096f4ac68b7b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34f9b5beaa93e11ba837f0661fa13de968932dcd29d6a23274a096f4ac68b7b3", kill_on_drop: false }`
[INFO] [stdout] 34f9b5beaa93e11ba837f0661fa13de968932dcd29d6a23274a096f4ac68b7b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebf4646c960c6b43d239d24a50505bf500cd560176efc7cd04f13e1ae59d23a6
[INFO] running `Command { std: "docker" "start" "-a" "ebf4646c960c6b43d239d24a50505bf500cd560176efc7cd04f13e1ae59d23a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling while_l v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/main.rs:11:25
[INFO] [stdout]    |
[INFO] [stdout] 11 |       while number != 0 { //!= 는 같지 않다는 것을 의미함.
[INFO] [stdout]    |  _____-                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 12 | |         println!("{number}!");
[INFO] [stdout] 13 | |
[INFO] [stdout] 14 | |         number -= 1;
[INFO] [stdout] 15 | |     }
[INFO] [stdout]    | |_____- rustdoc does not generate documentation for expressions
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "ebf4646c960c6b43d239d24a50505bf500cd560176efc7cd04f13e1ae59d23a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebf4646c960c6b43d239d24a50505bf500cd560176efc7cd04f13e1ae59d23a6", kill_on_drop: false }`
[INFO] [stdout] ebf4646c960c6b43d239d24a50505bf500cd560176efc7cd04f13e1ae59d23a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a2e9f4332b6e11ef7c908f51d51add5be7120a9c26ef620c411877021357708
[INFO] running `Command { std: "docker" "start" "-a" "6a2e9f4332b6e11ef7c908f51d51add5be7120a9c26ef620c411877021357708", kill_on_drop: false }`
[INFO] [stderr]    Compiling while_l v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/main.rs:11:25
[INFO] [stdout]    |
[INFO] [stdout] 11 |       while number != 0 { //!= 는 같지 않다는 것을 의미함.
[INFO] [stdout]    |  _____-                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 12 | |         println!("{number}!");
[INFO] [stdout] 13 | |
[INFO] [stdout] 14 | |         number -= 1;
[INFO] [stdout] 15 | |     }
[INFO] [stdout]    | |_____- rustdoc does not generate documentation for expressions
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "6a2e9f4332b6e11ef7c908f51d51add5be7120a9c26ef620c411877021357708", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a2e9f4332b6e11ef7c908f51d51add5be7120a9c26ef620c411877021357708", kill_on_drop: false }`
[INFO] [stdout] 6a2e9f4332b6e11ef7c908f51d51add5be7120a9c26ef620c411877021357708