Dec 19 10:35:43.106 INFO checking qrdean/rust_hello against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 10:35:43.106 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/qrdean/rust_hello:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 10:35:43.566 INFO [stdout] cd473968a85f6154bf4e4e1298751093ab51664efc51d5aa8ead07bdf04e615b
Dec 19 10:35:43.568 INFO running `"docker" "start" "-a" "cd473968a85f6154bf4e4e1298751093ab51664efc51d5aa8ead07bdf04e615b"`
Dec 19 10:35:45.324 INFO [stderr]     Checking hello_world v0.0.1 (/opt/crater/workdir)
Dec 19 10:35:45.530 INFO [stderr] warning: unused variable: `x`
Dec 19 10:35:45.530 INFO [stderr]  --> src/main.rs:2:6
Dec 19 10:35:45.530 INFO [stderr]   |
Dec 19 10:35:45.530 INFO [stderr] 2 |     let x: i32;
Dec 19 10:35:45.530 INFO [stderr]   |         ^ help: consider using `_x` instead
Dec 19 10:35:45.530 INFO [stderr]   |
Dec 19 10:35:45.530 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 19 10:35:45.530 INFO [stderr] 
Dec 19 10:35:45.553 INFO [stderr] warning: unused variable: `x`
Dec 19 10:35:45.553 INFO [stderr]  --> src/main.rs:2:6
Dec 19 10:35:45.553 INFO [stderr]   |
Dec 19 10:35:45.553 INFO [stderr] 2 |     let x: i32;
Dec 19 10:35:45.553 INFO [stderr]   |         ^ help: consider using `_x` instead
Dec 19 10:35:45.553 INFO [stderr]   |
Dec 19 10:35:45.554 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 19 10:35:45.554 INFO [stderr] 
Dec 19 10:35:45.600 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
Dec 19 10:35:46.083 INFO running `"docker" "inspect" "cd473968a85f6154bf4e4e1298751093ab51664efc51d5aa8ead07bdf04e615b"`
Dec 19 10:35:46.399 INFO running `"docker" "rm" "-f" "cd473968a85f6154bf4e4e1298751093ab51664efc51d5aa8ead07bdf04e615b"`
Dec 19 10:35:46.668 INFO [stdout] cd473968a85f6154bf4e4e1298751093ab51664efc51d5aa8ead07bdf04e615b