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