[INFO] cloning repository https://github.com/kotobukid/RollLang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kotobukid/RollLang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkotobukid%2FRollLang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkotobukid%2FRollLang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d5d6fd262ee7eaa5ff00191889d260917f8f632e
[INFO] checking kotobukid/RollLang against try#94e848735e78b58442e0b82e9c60f8f430840389 for pr-149218
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkotobukid%2FRollLang" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kotobukid/RollLang
[INFO] finished tweaking git repo https://github.com/kotobukid/RollLang
[INFO] tweaked toml for git repo https://github.com/kotobukid/RollLang written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kotobukid/RollLang on toolchain 94e848735e78b58442e0b82e9c60f8f430840389
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+94e848735e78b58442e0b82e9c60f8f430840389" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kotobukid/RollLang 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" "+94e848735e78b58442e0b82e9c60f8f430840389" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking kotobukid/RollLang against try#94e848735e78b58442e0b82e9c60f8f430840389 for pr-149218
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkotobukid%2FRollLang" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kotobukid/RollLang
[INFO] finished tweaking git repo https://github.com/kotobukid/RollLang
[INFO] tweaked toml for git repo https://github.com/kotobukid/RollLang written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kotobukid/RollLang on toolchain 94e848735e78b58442e0b82e9c60f8f430840389
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+94e848735e78b58442e0b82e9c60f8f430840389" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kotobukid/RollLang 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" "+94e848735e78b58442e0b82e9c60f8f430840389" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+94e848735e78b58442e0b82e9c60f8f430840389" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e368b8df90e481fc15376d7a12700394b2436cb879e949fac19da272167e72c
[INFO] running `Command { std: "docker" "start" "-a" "8e368b8df90e481fc15376d7a12700394b2436cb879e949fac19da272167e72c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e368b8df90e481fc15376d7a12700394b2436cb879e949fac19da272167e72c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e368b8df90e481fc15376d7a12700394b2436cb879e949fac19da272167e72c", kill_on_drop: false }`
[INFO] [stdout] 8e368b8df90e481fc15376d7a12700394b2436cb879e949fac19da272167e72c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+94e848735e78b58442e0b82e9c60f8f430840389" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9eecabc89efea55ac42508a5ac3c5b4d45618a04c3652fad7a44bc70e01a3da9
[INFO] running `Command { std: "docker" "start" "-a" "9eecabc89efea55ac42508a5ac3c5b4d45618a04c3652fad7a44bc70e01a3da9", kill_on_drop: false }`
[INFO] [stderr]     Checking roll_lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/token.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 56 |             _ => write!(f, "unknown token")
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/token.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |             Cat::ILLEGAL => write!(f, "ILLEGAL"),
[INFO] [stdout]    |             ------------ matches some of the same values
[INFO] [stdout] 43 |             Cat::EOF => write!(f, "EOF"),
[INFO] [stdout]    |             -------- matches some of the same values
[INFO] [stdout] 44 |             Cat::IDENT => write!(f, "IDENT"),
[INFO] [stdout]    |             ---------- matches some of the same values
[INFO] [stdout] 45 |             Cat::INT => write!(f, "INT"),
[INFO] [stdout]    |             -------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 56 |             _ => write!(f, "unknown token")
[INFO] [stdout]    |             ^ ...and 10 other patterns collectively make this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/token.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 56 |             _ => write!(f, "unknown token")
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/token.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |             Cat::ILLEGAL => write!(f, "ILLEGAL"),
[INFO] [stdout]    |             ------------ matches some of the same values
[INFO] [stdout] 43 |             Cat::EOF => write!(f, "EOF"),
[INFO] [stdout]    |             -------- matches some of the same values
[INFO] [stdout] 44 |             Cat::IDENT => write!(f, "IDENT"),
[INFO] [stdout]    |             ---------- matches some of the same values
[INFO] [stdout] 45 |             Cat::INT => write!(f, "INT"),
[INFO] [stdout]    |             -------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 56 |             _ => write!(f, "unknown token")
[INFO] [stdout]    |             ^ ...and 10 other patterns collectively make this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "9eecabc89efea55ac42508a5ac3c5b4d45618a04c3652fad7a44bc70e01a3da9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9eecabc89efea55ac42508a5ac3c5b4d45618a04c3652fad7a44bc70e01a3da9", kill_on_drop: false }`
[INFO] [stdout] 9eecabc89efea55ac42508a5ac3c5b4d45618a04c3652fad7a44bc70e01a3da9