Dec 17 13:11:49.939 INFO checking trcm/gameofrust against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252 Dec 17 13:11:49.940 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/trcm/gameofrust:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"` Dec 17 13:11:50.480 INFO [stdout] 0b6151555dc09b2ac19e4b764fc270800fee2d0480489c4d623e2f2ac12e1a35 Dec 17 13:11:50.482 INFO running `"docker" "start" "-a" "0b6151555dc09b2ac19e4b764fc270800fee2d0480489c4d623e2f2ac12e1a35"` Dec 17 13:11:52.913 INFO [stderr] Compiling gcc v0.3.51 Dec 17 13:11:52.913 INFO [stderr] Checking libc v0.2.24 Dec 17 13:11:54.294 INFO [stderr] Checking dylib v0.0.1 Dec 17 13:11:54.294 INFO [stderr] Checking time v0.1.37 Dec 17 13:11:54.294 INFO [stderr] Checking rand v0.3.15 Dec 17 13:11:55.200 INFO [stderr] Checking x11-dl v2.2.1 Dec 17 13:11:57.116 INFO [stderr] Compiling minifb v0.9.1 Dec 17 13:12:01.757 INFO [stderr] Checking gameoflife v0.1.0 (/opt/crater/workdir) Dec 17 13:12:01.951 INFO [stderr] warning: unused import: `Rng` Dec 17 13:12:01.951 INFO [stderr] --> src/main.rs:5:12 Dec 17 13:12:01.952 INFO [stderr] | Dec 17 13:12:01.952 INFO [stderr] 5 | use rand::{Rng}; Dec 17 13:12:01.952 INFO [stderr] | ^^^ Dec 17 13:12:01.953 INFO [stderr] | Dec 17 13:12:01.953 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 17 13:12:01.953 INFO [stderr] Dec 17 13:12:01.996 INFO [stderr] warning: unused import: `Rng` Dec 17 13:12:02.000 INFO [stderr] --> src/main.rs:5:12 Dec 17 13:12:02.001 INFO [stderr] | Dec 17 13:12:02.001 INFO [stderr] 5 | use rand::{Rng}; Dec 17 13:12:02.001 INFO [stderr] | ^^^ Dec 17 13:12:02.001 INFO [stderr] | Dec 17 13:12:02.002 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 17 13:12:02.002 INFO [stderr] Dec 17 13:12:02.059 INFO [stderr] warning: unused variable: `valid` Dec 17 13:12:02.059 INFO [stderr] --> src/main.rs:21:9 Dec 17 13:12:02.059 INFO [stderr] | Dec 17 13:12:02.059 INFO [stderr] 21 | let valid: Vec<(u32, u32)> = vec!(); Dec 17 13:12:02.060 INFO [stderr] | ^^^^^ help: consider using `_valid` instead Dec 17 13:12:02.060 INFO [stderr] | Dec 17 13:12:02.060 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 17 13:12:02.061 INFO [stderr] Dec 17 13:12:02.061 INFO [stderr] warning: unused variable: `item` Dec 17 13:12:02.061 INFO [stderr] --> src/main.rs:49:13 Dec 17 13:12:02.062 INFO [stderr] | Dec 17 13:12:02.062 INFO [stderr] 49 | for (i, item) in current.iter().enumerate() { Dec 17 13:12:02.062 INFO [stderr] | ^^^^ help: consider using `_item` instead Dec 17 13:12:02.062 INFO [stderr] Dec 17 13:12:02.063 INFO [stderr] warning: unused variable: `rng` Dec 17 13:12:02.063 INFO [stderr] --> src/main.rs:111:13 Dec 17 13:12:02.063 INFO [stderr] | Dec 17 13:12:02.064 INFO [stderr] 111 | let mut rng = rand::thread_rng(); Dec 17 13:12:02.064 INFO [stderr] | ^^^ help: consider using `_rng` instead Dec 17 13:12:02.064 INFO [stderr] Dec 17 13:12:02.092 INFO [stderr] warning: variable does not need to be mutable Dec 17 13:12:02.093 INFO [stderr] --> src/main.rs:111:9 Dec 17 13:12:02.093 INFO [stderr] | Dec 17 13:12:02.093 INFO [stderr] 111 | let mut rng = rand::thread_rng(); Dec 17 13:12:02.093 INFO [stderr] | ----^^^ Dec 17 13:12:02.094 INFO [stderr] | | Dec 17 13:12:02.094 INFO [stderr] | help: remove this `mut` Dec 17 13:12:02.094 INFO [stderr] | Dec 17 13:12:02.094 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 17 13:12:02.094 INFO [stderr] Dec 17 13:12:02.095 INFO [stderr] warning: unused variable: `valid` Dec 17 13:12:02.095 INFO [stderr] --> src/main.rs:21:9 Dec 17 13:12:02.095 INFO [stderr] | Dec 17 13:12:02.095 INFO [stderr] 21 | let valid: Vec<(u32, u32)> = vec!(); Dec 17 13:12:02.095 INFO [stderr] | ^^^^^ help: consider using `_valid` instead Dec 17 13:12:02.096 INFO [stderr] | Dec 17 13:12:02.096 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 17 13:12:02.096 INFO [stderr] Dec 17 13:12:02.096 INFO [stderr] warning: unused variable: `item` Dec 17 13:12:02.096 INFO [stderr] --> src/main.rs:49:13 Dec 17 13:12:02.097 INFO [stderr] | Dec 17 13:12:02.097 INFO [stderr] 49 | for (i, item) in current.iter().enumerate() { Dec 17 13:12:02.097 INFO [stderr] | ^^^^ help: consider using `_item` instead Dec 17 13:12:02.097 INFO [stderr] Dec 17 13:12:02.098 INFO [stderr] warning: unused variable: `rng` Dec 17 13:12:02.098 INFO [stderr] --> src/main.rs:111:13 Dec 17 13:12:02.098 INFO [stderr] | Dec 17 13:12:02.098 INFO [stderr] 111 | let mut rng = rand::thread_rng(); Dec 17 13:12:02.099 INFO [stderr] | ^^^ help: consider using `_rng` instead Dec 17 13:12:02.099 INFO [stderr] Dec 17 13:12:02.121 INFO [stderr] warning: variable does not need to be mutable Dec 17 13:12:02.121 INFO [stderr] --> src/main.rs:111:9 Dec 17 13:12:02.122 INFO [stderr] | Dec 17 13:12:02.122 INFO [stderr] 111 | let mut rng = rand::thread_rng(); Dec 17 13:12:02.122 INFO [stderr] | ----^^^ Dec 17 13:12:02.122 INFO [stderr] | | Dec 17 13:12:02.123 INFO [stderr] | help: remove this `mut` Dec 17 13:12:02.123 INFO [stderr] | Dec 17 13:12:02.123 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 17 13:12:02.123 INFO [stderr] Dec 17 13:12:02.164 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 9.34s Dec 17 13:12:03.710 INFO running `"docker" "inspect" "0b6151555dc09b2ac19e4b764fc270800fee2d0480489c4d623e2f2ac12e1a35"` Dec 17 13:12:04.064 INFO running `"docker" "rm" "-f" "0b6151555dc09b2ac19e4b764fc270800fee2d0480489c4d623e2f2ac12e1a35"` Dec 17 13:12:04.416 INFO [stdout] 0b6151555dc09b2ac19e4b764fc270800fee2d0480489c4d623e2f2ac12e1a35