Nov 28 14:49:38.455 INFO checking 8flag/hello_rust against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 14:49:38.455 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-3/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +db42d4dad33013eba11ef37342ad9f614e5652b8-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 28 14:49:38.850 INFO [stdout] 0b7c1668b340cad0b7bcca81990f7e8309967699424299839fbf39c53f2d3035
Nov 28 14:49:38.854 INFO running `"docker" "start" "-a" "0b7c1668b340cad0b7bcca81990f7e8309967699424299839fbf39c53f2d3035"`
Nov 28 14:49:39.770 INFO [stderr] usermod: no changes
Nov 28 14:49:39.811 INFO [stderr]     Checking hello_rust v0.1.0 (/source)
Nov 28 14:49:40.205 INFO [stderr] warning: unused variable: `b`
Nov 28 14:49:40.206 INFO [stderr]  --> src/main.rs:5:9
Nov 28 14:49:40.206 INFO [stderr]   |
Nov 28 14:49:40.206 INFO [stderr] 5 |     let b:&str = &a;
Nov 28 14:49:40.206 INFO [stderr]   |         ^ help: consider using `_b` instead
Nov 28 14:49:40.206 INFO [stderr]   |
Nov 28 14:49:40.206 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 28 14:49:40.206 INFO [stderr] 
Nov 28 14:49:40.368 INFO [stderr] warning: unused variable: `b`
Nov 28 14:49:40.368 INFO [stderr]  --> src/main.rs:5:9
Nov 28 14:49:40.368 INFO [stderr]   |
Nov 28 14:49:40.368 INFO [stderr] 5 |     let b:&str = &a;
Nov 28 14:49:40.368 INFO [stderr]   |         ^ help: consider using `_b` instead
Nov 28 14:49:40.368 INFO [stderr]   |
Nov 28 14:49:40.368 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 28 14:49:40.368 INFO [stderr] 
Nov 28 14:49:40.380 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
Nov 28 14:49:40.380 INFO [stderr] su: No module specific data is present
Nov 28 14:49:40.874 INFO running `"docker" "inspect" "0b7c1668b340cad0b7bcca81990f7e8309967699424299839fbf39c53f2d3035"`
Nov 28 14:49:40.968 INFO running `"docker" "rm" "-f" "0b7c1668b340cad0b7bcca81990f7e8309967699424299839fbf39c53f2d3035"`
Nov 28 14:49:41.090 INFO [stdout] 0b7c1668b340cad0b7bcca81990f7e8309967699424299839fbf39c53f2d3035