[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-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/Mandar-Shinde/rust-alerts"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/Mandar-Shinde/rust-alerts'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Mandar-Shinde/rust-alerts" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Mandar-Shinde/rust-alerts"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Mandar-Shinde/rust-alerts on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-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-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Mandar-Shinde/rust-alerts/Cargo.toml
[INFO] crate Mandar-Shinde/rust-alerts already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] building Mandar-Shinde/rust-alerts against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] 429cbe9a9adbe5087e870e8e1110a834bce2c7dc2ad3f6a05e43053f49f56217
[INFO] running `"docker" "start" "-a" "429cbe9a9adbe5087e870e8e1110a834bce2c7dc2ad3f6a05e43053f49f56217"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `"docker" "inspect" "429cbe9a9adbe5087e870e8e1110a834bce2c7dc2ad3f6a05e43053f49f56217"`
[INFO] running `"docker" "rm" "-f" "429cbe9a9adbe5087e870e8e1110a834bce2c7dc2ad3f6a05e43053f49f56217"`
[INFO] [stdout] 429cbe9a9adbe5087e870e8e1110a834bce2c7dc2ad3f6a05e43053f49f56217
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4d909013b7eac884683f2b385ea1af7453fcc6953c4365d73212dcb466b9140d
[INFO] running `"docker" "start" "-a" "4d909013b7eac884683f2b385ea1af7453fcc6953c4365d73212dcb466b9140d"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `"docker" "inspect" "4d909013b7eac884683f2b385ea1af7453fcc6953c4365d73212dcb466b9140d"`
[INFO] running `"docker" "rm" "-f" "4d909013b7eac884683f2b385ea1af7453fcc6953c4365d73212dcb466b9140d"`
[INFO] [stdout] 4d909013b7eac884683f2b385ea1af7453fcc6953c4365d73212dcb466b9140d