[INFO] cloning repository Mandar-Shinde/rust-alerts
[INFO] running `"git" "clone" "--bare" "git://github.com/Mandar-Shinde/rust-alerts.git" "work/cache/sources/gh/Mandar-Shinde/rust-alerts"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/Mandar-Shinde/rust-alerts'...
[INFO] running `"git" "clone" "work/cache/sources/gh/Mandar-Shinde/rust-alerts" "work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/Mandar-Shinde/rust-alerts"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/Mandar-Shinde/rust-alerts'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Mandar-Shinde/rust-alerts" "work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/Mandar-Shinde/rust-alerts"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/Mandar-Shinde/rust-alerts'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5ff886e60b719e9250a50ac41abe3c8b70195b93
[INFO] sha for GitHub repo Mandar-Shinde/rust-alerts: 5ff886e60b719e9250a50ac41abe3c8b70195b93
[INFO] validating manifest of Mandar-Shinde/rust-alerts on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Mandar-Shinde/rust-alerts on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Mandar-Shinde/rust-alerts
[INFO] finished frobbing Mandar-Shinde/rust-alerts
[INFO] frobbed toml for Mandar-Shinde/rust-alerts written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/Mandar-Shinde/rust-alerts/Cargo.toml
[INFO] started frobbing Mandar-Shinde/rust-alerts
[INFO] finished frobbing Mandar-Shinde/rust-alerts
[INFO] frobbed toml for Mandar-Shinde/rust-alerts written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/Mandar-Shinde/rust-alerts/Cargo.toml
[INFO] crate Mandar-Shinde/rust-alerts has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Mandar-Shinde/rust-alerts against master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 for pr-58899
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-6/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/Mandar-Shinde/rust-alerts:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7f280f278d3ed32a8d9be81a95049442b1d50ef079ad39cfa6d00e1bb020f2bf
[INFO] running `"docker" "start" "-a" "7f280f278d3ed32a8d9be81a95049442b1d50ef079ad39cfa6d00e1bb020f2bf"`
[INFO] [stderr]     Checking alerts v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `head`
[INFO] [stderr]   --> src/alert.rs:33:18
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn alert_message(head: &str,msg: &str,_wflags: i32) -> Result<(), Error> {
[INFO] [stderr]    |                  ^^^^ help: consider prefixing with an underscore: `_head`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `head`
[INFO] [stderr]   --> src/alert.rs:33:18
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn alert_message(head: &str,msg: &str,_wflags: i32) -> Result<(), Error> {
[INFO] [stderr]    |                  ^^^^ help: consider prefixing with an underscore: `_head`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `"docker" "inspect" "7f280f278d3ed32a8d9be81a95049442b1d50ef079ad39cfa6d00e1bb020f2bf"`
[INFO] running `"docker" "rm" "-f" "7f280f278d3ed32a8d9be81a95049442b1d50ef079ad39cfa6d00e1bb020f2bf"`
[INFO] [stdout] 7f280f278d3ed32a8d9be81a95049442b1d50ef079ad39cfa6d00e1bb020f2bf