Dec 19 06:43:29.193 INFO checking trcm/gameofrust against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 06:43:29.193 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 06:43:29.668 INFO [stdout] 0eb9f157798acedb9100a80e36fc58ae77ddd271e8d09a8ca71072072fed2de7
Dec 19 06:43:29.674 INFO running `"docker" "start" "-a" "0eb9f157798acedb9100a80e36fc58ae77ddd271e8d09a8ca71072072fed2de7"`
Dec 19 06:43:31.540 INFO [stderr]     Checking libc v0.2.24
Dec 19 06:43:31.540 INFO [stderr]     Checking libc v0.1.12
Dec 19 06:43:31.550 INFO [stderr]    Compiling minifb v0.9.1
Dec 19 06:43:33.192 INFO [stderr]     Checking dylib v0.0.1
Dec 19 06:43:33.192 INFO [stderr]     Checking time v0.1.37
Dec 19 06:43:33.192 INFO [stderr]     Checking rand v0.3.15
Dec 19 06:43:33.661 INFO [stderr]     Checking x11-dl v2.2.1
Dec 19 06:43:39.018 INFO [stderr]     Checking gameoflife v0.1.0 (/opt/crater/workdir)
Dec 19 06:43:39.188 INFO [stderr] warning: unused import: `Rng`
Dec 19 06:43:39.188 INFO [stderr]  --> src/main.rs:5:12
Dec 19 06:43:39.188 INFO [stderr]   |
Dec 19 06:43:39.188 INFO [stderr] 5 | use rand::{Rng};
Dec 19 06:43:39.188 INFO [stderr]   |            ^^^
Dec 19 06:43:39.188 INFO [stderr]   |
Dec 19 06:43:39.188 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 06:43:39.188 INFO [stderr] 
Dec 19 06:43:39.240 INFO [stderr] warning: unused variable: `valid`
Dec 19 06:43:39.240 INFO [stderr]   --> src/main.rs:21:9
Dec 19 06:43:39.240 INFO [stderr]    |
Dec 19 06:43:39.240 INFO [stderr] 21 |     let valid: Vec<(u32, u32)> = vec!();
Dec 19 06:43:39.240 INFO [stderr]    |         ^^^^^ help: consider using `_valid` instead
Dec 19 06:43:39.240 INFO [stderr]    |
Dec 19 06:43:39.240 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 06:43:39.240 INFO [stderr] 
Dec 19 06:43:39.240 INFO [stderr] warning: unused variable: `item`
Dec 19 06:43:39.240 INFO [stderr]   --> src/main.rs:49:13
Dec 19 06:43:39.240 INFO [stderr]    |
Dec 19 06:43:39.240 INFO [stderr] 49 |     for (i, item) in current.iter().enumerate() {
Dec 19 06:43:39.240 INFO [stderr]    |             ^^^^ help: consider using `_item` instead
Dec 19 06:43:39.240 INFO [stderr] 
Dec 19 06:43:39.240 INFO [stderr] warning: unused variable: `rng`
Dec 19 06:43:39.240 INFO [stderr]    --> src/main.rs:111:13
Dec 19 06:43:39.240 INFO [stderr]     |
Dec 19 06:43:39.240 INFO [stderr] 111 |     let mut rng = rand::thread_rng();
Dec 19 06:43:39.240 INFO [stderr]     |             ^^^ help: consider using `_rng` instead
Dec 19 06:43:39.240 INFO [stderr] 
Dec 19 06:43:39.240 INFO [stderr] warning: unused import: `Rng`
Dec 19 06:43:39.240 INFO [stderr]  --> src/main.rs:5:12
Dec 19 06:43:39.240 INFO [stderr]   |
Dec 19 06:43:39.241 INFO [stderr] 5 | use rand::{Rng};
Dec 19 06:43:39.241 INFO [stderr]   |            ^^^
Dec 19 06:43:39.241 INFO [stderr]   |
Dec 19 06:43:39.241 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 06:43:39.241 INFO [stderr] 
Dec 19 06:43:39.268 INFO [stderr] warning: variable does not need to be mutable
Dec 19 06:43:39.268 INFO [stderr]    --> src/main.rs:111:9
Dec 19 06:43:39.268 INFO [stderr]     |
Dec 19 06:43:39.268 INFO [stderr] 111 |     let mut rng = rand::thread_rng();
Dec 19 06:43:39.268 INFO [stderr]     |         ----^^^
Dec 19 06:43:39.268 INFO [stderr]     |         |
Dec 19 06:43:39.268 INFO [stderr]     |         help: remove this `mut`
Dec 19 06:43:39.268 INFO [stderr]     |
Dec 19 06:43:39.268 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 19 06:43:39.268 INFO [stderr] 
Dec 19 06:43:39.308 INFO [stderr] warning: unused variable: `valid`
Dec 19 06:43:39.308 INFO [stderr]   --> src/main.rs:21:9
Dec 19 06:43:39.308 INFO [stderr]    |
Dec 19 06:43:39.308 INFO [stderr] 21 |     let valid: Vec<(u32, u32)> = vec!();
Dec 19 06:43:39.308 INFO [stderr]    |         ^^^^^ help: consider using `_valid` instead
Dec 19 06:43:39.308 INFO [stderr]    |
Dec 19 06:43:39.308 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 06:43:39.308 INFO [stderr] 
Dec 19 06:43:39.308 INFO [stderr] warning: unused variable: `item`
Dec 19 06:43:39.308 INFO [stderr]   --> src/main.rs:49:13
Dec 19 06:43:39.308 INFO [stderr]    |
Dec 19 06:43:39.308 INFO [stderr] 49 |     for (i, item) in current.iter().enumerate() {
Dec 19 06:43:39.308 INFO [stderr]    |             ^^^^ help: consider using `_item` instead
Dec 19 06:43:39.308 INFO [stderr] 
Dec 19 06:43:39.308 INFO [stderr] warning: unused variable: `rng`
Dec 19 06:43:39.308 INFO [stderr]    --> src/main.rs:111:13
Dec 19 06:43:39.308 INFO [stderr]     |
Dec 19 06:43:39.308 INFO [stderr] 111 |     let mut rng = rand::thread_rng();
Dec 19 06:43:39.308 INFO [stderr]     |             ^^^ help: consider using `_rng` instead
Dec 19 06:43:39.308 INFO [stderr] 
Dec 19 06:43:39.330 INFO [stderr] warning: variable does not need to be mutable
Dec 19 06:43:39.330 INFO [stderr]    --> src/main.rs:111:9
Dec 19 06:43:39.330 INFO [stderr]     |
Dec 19 06:43:39.330 INFO [stderr] 111 |     let mut rng = rand::thread_rng();
Dec 19 06:43:39.330 INFO [stderr]     |         ----^^^
Dec 19 06:43:39.330 INFO [stderr]     |         |
Dec 19 06:43:39.330 INFO [stderr]     |         help: remove this `mut`
Dec 19 06:43:39.330 INFO [stderr]     |
Dec 19 06:43:39.330 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 19 06:43:39.330 INFO [stderr] 
Dec 19 06:43:39.359 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.90s
Dec 19 06:43:40.546 INFO running `"docker" "inspect" "0eb9f157798acedb9100a80e36fc58ae77ddd271e8d09a8ca71072072fed2de7"`
Dec 19 06:43:40.876 INFO running `"docker" "rm" "-f" "0eb9f157798acedb9100a80e36fc58ae77ddd271e8d09a8ca71072072fed2de7"`
Dec 19 06:43:41.198 INFO [stdout] 0eb9f157798acedb9100a80e36fc58ae77ddd271e8d09a8ca71072072fed2de7