Dec 19 22:06:24.056 INFO checking RollForGuild/RoboGM against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955 Dec 19 22:06:24.057 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-2/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/RollForGuild/RoboGM:/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 22:06:24.502 INFO [stdout] 19d6952aeb5e09639188359da37aa78d0b23f9861adb606cbb0bc046ccda5698 Dec 19 22:06:24.504 INFO running `"docker" "start" "-a" "19d6952aeb5e09639188359da37aa78d0b23f9861adb606cbb0bc046ccda5698"` Dec 19 22:06:26.109 INFO [stderr] Checking robo_gm v0.1.0 (/opt/crater/workdir) Dec 19 22:06:26.416 INFO [stderr] warning: unused import: `rand::Rng` Dec 19 22:06:26.416 INFO [stderr] --> src/main.rs:4:5 Dec 19 22:06:26.416 INFO [stderr] | Dec 19 22:06:26.416 INFO [stderr] 4 | use rand::Rng; Dec 19 22:06:26.416 INFO [stderr] | ^^^^^^^^^ Dec 19 22:06:26.416 INFO [stderr] | Dec 19 22:06:26.416 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 19 22:06:26.416 INFO [stderr] Dec 19 22:06:26.447 INFO [stderr] warning: unused import: `rand::Rng` Dec 19 22:06:26.447 INFO [stderr] --> src/main.rs:4:5 Dec 19 22:06:26.447 INFO [stderr] | Dec 19 22:06:26.447 INFO [stderr] 4 | use rand::Rng; Dec 19 22:06:26.447 INFO [stderr] | ^^^^^^^^^ Dec 19 22:06:26.447 INFO [stderr] | Dec 19 22:06:26.447 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 19 22:06:26.447 INFO [stderr] Dec 19 22:06:26.462 INFO [stderr] warning: unused variable: `rng` Dec 19 22:06:26.462 INFO [stderr] --> src/main.rs:20:13 Dec 19 22:06:26.462 INFO [stderr] | Dec 19 22:06:26.462 INFO [stderr] 20 | let mut rng = rand::thread_rng(); Dec 19 22:06:26.462 INFO [stderr] | ^^^ help: consider using `_rng` instead Dec 19 22:06:26.462 INFO [stderr] | Dec 19 22:06:26.462 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 19 22:06:26.462 INFO [stderr] Dec 19 22:06:26.476 INFO [stderr] warning: variable does not need to be mutable Dec 19 22:06:26.476 INFO [stderr] --> src/main.rs:20:9 Dec 19 22:06:26.476 INFO [stderr] | Dec 19 22:06:26.476 INFO [stderr] 20 | let mut rng = rand::thread_rng(); Dec 19 22:06:26.476 INFO [stderr] | ----^^^ Dec 19 22:06:26.476 INFO [stderr] | | Dec 19 22:06:26.476 INFO [stderr] | help: remove this `mut` Dec 19 22:06:26.476 INFO [stderr] | Dec 19 22:06:26.476 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 19 22:06:26.476 INFO [stderr] Dec 19 22:06:26.476 INFO [stderr] warning: function is never used: `gen_rectangles` Dec 19 22:06:26.476 INFO [stderr] --> src/main.rs:34:1 Dec 19 22:06:26.476 INFO [stderr] | Dec 19 22:06:26.476 INFO [stderr] 34 | fn gen_rectangles() -> () { Dec 19 22:06:26.476 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 22:06:26.476 INFO [stderr] | Dec 19 22:06:26.476 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 19 22:06:26.476 INFO [stderr] Dec 19 22:06:26.528 INFO [stderr] warning: unused variable: `rng` Dec 19 22:06:26.528 INFO [stderr] --> src/main.rs:20:13 Dec 19 22:06:26.528 INFO [stderr] | Dec 19 22:06:26.528 INFO [stderr] 20 | let mut rng = rand::thread_rng(); Dec 19 22:06:26.528 INFO [stderr] | ^^^ help: consider using `_rng` instead Dec 19 22:06:26.528 INFO [stderr] | Dec 19 22:06:26.528 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 19 22:06:26.528 INFO [stderr] Dec 19 22:06:26.528 INFO [stderr] warning: variable does not need to be mutable Dec 19 22:06:26.528 INFO [stderr] --> src/main.rs:20:9 Dec 19 22:06:26.528 INFO [stderr] | Dec 19 22:06:26.528 INFO [stderr] 20 | let mut rng = rand::thread_rng(); Dec 19 22:06:26.528 INFO [stderr] | ----^^^ Dec 19 22:06:26.528 INFO [stderr] | | Dec 19 22:06:26.528 INFO [stderr] | help: remove this `mut` Dec 19 22:06:26.528 INFO [stderr] | Dec 19 22:06:26.528 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 19 22:06:26.528 INFO [stderr] Dec 19 22:06:26.528 INFO [stderr] warning: function is never used: `gen_rectangles` Dec 19 22:06:26.528 INFO [stderr] --> src/main.rs:34:1 Dec 19 22:06:26.528 INFO [stderr] | Dec 19 22:06:26.528 INFO [stderr] 34 | fn gen_rectangles() -> () { Dec 19 22:06:26.528 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 22:06:26.528 INFO [stderr] | Dec 19 22:06:26.528 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 19 22:06:26.528 INFO [stderr] Dec 19 22:06:26.592 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.51s Dec 19 22:06:27.231 INFO running `"docker" "inspect" "19d6952aeb5e09639188359da37aa78d0b23f9861adb606cbb0bc046ccda5698"` Dec 19 22:06:27.458 INFO running `"docker" "rm" "-f" "19d6952aeb5e09639188359da37aa78d0b23f9861adb606cbb0bc046ccda5698"` Dec 19 22:06:27.720 INFO [stdout] 19d6952aeb5e09639188359da37aa78d0b23f9861adb606cbb0bc046ccda5698