[INFO] cloning repository https://github.com/yomaytk/ruscaml
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yomaytk/ruscaml" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyomaytk%2Fruscaml", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyomaytk%2Fruscaml'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 22f2edc50db6cc54e7088da4a079490f2c0d46a8
[INFO] checking yomaytk/ruscaml against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyomaytk%2Fruscaml" "/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/yomaytk/ruscaml on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yomaytk/ruscaml
[INFO] finished tweaking git repo https://github.com/yomaytk/ruscaml
[INFO] tweaked toml for git repo https://github.com/yomaytk/ruscaml written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/yomaytk/ruscaml already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd0da2967fc0df096d21aa6844f7188d30509d934fca16f6e0468b8477eeabf1
[INFO] running `Command { std: "docker" "start" "-a" "cd0da2967fc0df096d21aa6844f7188d30509d934fca16f6e0468b8477eeabf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd0da2967fc0df096d21aa6844f7188d30509d934fca16f6e0468b8477eeabf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd0da2967fc0df096d21aa6844f7188d30509d934fca16f6e0468b8477eeabf1", kill_on_drop: false }`
[INFO] [stdout] cd0da2967fc0df096d21aa6844f7188d30509d934fca16f6e0468b8477eeabf1
[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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3648fc3c7346b72475e9c5f96d0cea0f885cc10807b9e21db3dde1a08ef09e76
[INFO] running `Command { std: "docker" "start" "-a" "3648fc3c7346b72475e9c5f96d0cea0f885cc10807b9e21db3dde1a08ef09e76", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking ruscaml v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/lib.rs:94:110
[INFO] [stdout]    |
[INFO] [stdout] 94 |                     None => { message_error(&format!(" {:?} is not defined. ", key)); panic!("{:?}", &self); return None; }
[INFO] [stdout]    |                                                                                       ---------------------- ^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |                                                                                       |
[INFO] [stdout]    |                                                                                       any code following this expression is unreachable
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/lib.rs:94:110
[INFO] [stdout]    |
[INFO] [stdout] 94 |                     None => { message_error(&format!(" {:?} is not defined. ", key)); panic!("{:?}", &self); return None; }
[INFO] [stdout]    |                                                                                       ---------------------- ^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |                                                                                       |
[INFO] [stdout]    |                                                                                       any code following this expression is unreachable
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.89s
[INFO] running `Command { std: "docker" "inspect" "3648fc3c7346b72475e9c5f96d0cea0f885cc10807b9e21db3dde1a08ef09e76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3648fc3c7346b72475e9c5f96d0cea0f885cc10807b9e21db3dde1a08ef09e76", kill_on_drop: false }`
[INFO] [stdout] 3648fc3c7346b72475e9c5f96d0cea0f885cc10807b9e21db3dde1a08ef09e76