[INFO] cloning repository https://github.com/theorlangur/format-column-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/theorlangur/format-column-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheorlangur%2Fformat-column-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheorlangur%2Fformat-column-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cd6bd243501aa026f1eadbb6bb82ee7f02eec809
[INFO] checking theorlangur/format-column-rs against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheorlangur%2Fformat-column-rs" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/theorlangur/format-column-rs
[INFO] finished tweaking git repo https://github.com/theorlangur/format-column-rs
[INFO] tweaked toml for git repo https://github.com/theorlangur/format-column-rs written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/theorlangur/format-column-rs on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/theorlangur/format-column-rs 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] [stderr]       Adding aho-corasick v1.1.3
[INFO] [stderr]       Adding lazy_static v1.5.0
[INFO] [stderr]       Adding memchr v2.7.5
[INFO] [stderr]       Adding regex v1.11.1
[INFO] [stderr]       Adding regex-automata v0.4.9
[INFO] [stderr]       Adding regex-syntax v0.8.5
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f25af7b232dac0cab65153d640c34554eead1d3b154b94a842eceb3bdca182b
[INFO] running `Command { std: "docker" "start" "-a" "5f25af7b232dac0cab65153d640c34554eead1d3b154b94a842eceb3bdca182b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f25af7b232dac0cab65153d640c34554eead1d3b154b94a842eceb3bdca182b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f25af7b232dac0cab65153d640c34554eead1d3b154b94a842eceb3bdca182b", kill_on_drop: false }`
[INFO] [stdout] 5f25af7b232dac0cab65153d640c34554eead1d3b154b94a842eceb3bdca182b
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82f7be71ba76884392f03a65c10f9bbe760717d11f67d37641b435ec1b468f50
[INFO] running `Command { std: "docker" "start" "-a" "82f7be71ba76884392f03a65c10f9bbe760717d11f67d37641b435ec1b468f50", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking format-columns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `rfind_str` is never used
[INFO] [stdout]   --> src/analyzers.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub trait LineParser
[INFO] [stdout]    |           ---------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 53 |     fn rfind_str(&self, s: &str)->Result<usize, AnalyzeErr>;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `rfind_str` is never used
[INFO] [stdout]   --> src/analyzers.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub trait LineParser
[INFO] [stdout]    |           ---------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 53 |     fn rfind_str(&self, s: &str)->Result<usize, AnalyzeErr>;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.19s
[INFO] running `Command { std: "docker" "inspect" "82f7be71ba76884392f03a65c10f9bbe760717d11f67d37641b435ec1b468f50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82f7be71ba76884392f03a65c10f9bbe760717d11f67d37641b435ec1b468f50", kill_on_drop: false }`
[INFO] [stdout] 82f7be71ba76884392f03a65c10f9bbe760717d11f67d37641b435ec1b468f50