[INFO] cloning repository https://github.com/dj-shin/irc-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dj-shin/irc-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdj-shin%2Firc-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdj-shin%2Firc-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 712e3c21d3f1fc66b661a75440a211fe2ee66b3e
[INFO] checking dj-shin/irc-rust/712e3c21d3f1fc66b661a75440a211fe2ee66b3e against try#ccf408f4326a858c00dd845a64a86b16f360a801 for pr-129466-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdj-shin%2Firc-rust" "/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/dj-shin/irc-rust on toolchain ccf408f4326a858c00dd845a64a86b16f360a801
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dj-shin/irc-rust
[INFO] finished tweaking git repo https://github.com/dj-shin/irc-rust
[INFO] tweaked toml for git repo https://github.com/dj-shin/irc-rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/dj-shin/irc-rust 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" "+ccf408f4326a858c00dd845a64a86b16f360a801" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 513976b62197dff1bef1bdbc7482c6ad47b5bd09ddbfac30afd499334061c0ab
[INFO] running `Command { std: "docker" "start" "-a" "513976b62197dff1bef1bdbc7482c6ad47b5bd09ddbfac30afd499334061c0ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "513976b62197dff1bef1bdbc7482c6ad47b5bd09ddbfac30afd499334061c0ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "513976b62197dff1bef1bdbc7482c6ad47b5bd09ddbfac30afd499334061c0ab", kill_on_drop: false }`
[INFO] [stdout] 513976b62197dff1bef1bdbc7482c6ad47b5bd09ddbfac30afd499334061c0ab
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09f3745c59c01fef5f2a5885d6fbab403bc48ce450e43e4f769bce4228fe6e2a
[INFO] running `Command { std: "docker" "start" "-a" "09f3745c59c01fef5f2a5885d6fbab403bc48ce450e43e4f769bce4228fe6e2a", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] no edition found in manifest, probably 2015, skipping
[INFO] running `Command { std: "docker" "inspect" "09f3745c59c01fef5f2a5885d6fbab403bc48ce450e43e4f769bce4228fe6e2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09f3745c59c01fef5f2a5885d6fbab403bc48ce450e43e4f769bce4228fe6e2a", kill_on_drop: false }`
[INFO] [stdout] 09f3745c59c01fef5f2a5885d6fbab403bc48ce450e43e4f769bce4228fe6e2a