Nov 27 18:17:29.866 INFO checking trcm/gameofrust against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 27 18:17:29.868 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-0/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +db42d4dad33013eba11ef37342ad9f614e5652b8-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 27 18:17:30.316 INFO [stdout] 4ff58bab42482e1a58e6fd529bf762cbb4269fd42d213456b8381db383bdd089
Nov 27 18:17:30.319 INFO running `"docker" "start" "-a" "4ff58bab42482e1a58e6fd529bf762cbb4269fd42d213456b8381db383bdd089"`
Nov 27 18:17:31.701 INFO [stderr] usermod: no changes
Nov 27 18:17:31.836 INFO [stderr]     Checking libc v0.1.12
Nov 27 18:17:31.837 INFO [stderr]    Compiling minifb v0.9.1
Nov 27 18:17:31.837 INFO [stderr]     Checking dylib v0.0.1
Nov 27 18:17:32.657 INFO [stderr]     Checking x11-dl v2.2.1
Nov 27 18:17:38.256 INFO [stderr]     Checking gameoflife v0.1.0 (/source)
Nov 27 18:17:38.660 INFO [stderr] warning: unused import: `Rng`
Nov 27 18:17:38.660 INFO [stderr]  --> src/main.rs:5:12
Nov 27 18:17:38.660 INFO [stderr]   |
Nov 27 18:17:38.660 INFO [stderr] 5 | use rand::{Rng};
Nov 27 18:17:38.661 INFO [stderr]   |            ^^^
Nov 27 18:17:38.661 INFO [stderr]   |
Nov 27 18:17:38.661 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 27 18:17:38.661 INFO [stderr] 
Nov 27 18:17:38.692 INFO [stderr] warning: unused import: `Rng`
Nov 27 18:17:38.692 INFO [stderr]  --> src/main.rs:5:12
Nov 27 18:17:38.693 INFO [stderr]   |
Nov 27 18:17:38.693 INFO [stderr] 5 | use rand::{Rng};
Nov 27 18:17:38.693 INFO [stderr]   |            ^^^
Nov 27 18:17:38.693 INFO [stderr]   |
Nov 27 18:17:38.693 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 27 18:17:38.693 INFO [stderr] 
Nov 27 18:17:38.816 INFO [stderr] warning: unused variable: `valid`
Nov 27 18:17:38.816 INFO [stderr]   --> src/main.rs:21:9
Nov 27 18:17:38.816 INFO [stderr]    |
Nov 27 18:17:38.816 INFO [stderr] 21 |     let valid: Vec<(u32, u32)> = vec!();
Nov 27 18:17:38.816 INFO [stderr]    |         ^^^^^ help: consider using `_valid` instead
Nov 27 18:17:38.816 INFO [stderr]    |
Nov 27 18:17:38.816 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 27 18:17:38.816 INFO [stderr] 
Nov 27 18:17:38.816 INFO [stderr] warning: unused variable: `item`
Nov 27 18:17:38.816 INFO [stderr]   --> src/main.rs:49:13
Nov 27 18:17:38.816 INFO [stderr]    |
Nov 27 18:17:38.816 INFO [stderr] 49 |     for (i, item) in current.iter().enumerate() {
Nov 27 18:17:38.816 INFO [stderr]    |             ^^^^ help: consider using `_item` instead
Nov 27 18:17:38.816 INFO [stderr] 
Nov 27 18:17:38.818 INFO [stderr] warning: unused variable: `rng`
Nov 27 18:17:38.818 INFO [stderr]    --> src/main.rs:111:13
Nov 27 18:17:38.818 INFO [stderr]     |
Nov 27 18:17:38.818 INFO [stderr] 111 |     let mut rng = rand::thread_rng();
Nov 27 18:17:38.818 INFO [stderr]     |             ^^^ help: consider using `_rng` instead
Nov 27 18:17:38.818 INFO [stderr] 
Nov 27 18:17:38.846 INFO [stderr] warning: variable does not need to be mutable
Nov 27 18:17:38.846 INFO [stderr]    --> src/main.rs:111:9
Nov 27 18:17:38.847 INFO [stderr]     |
Nov 27 18:17:38.847 INFO [stderr] 111 |     let mut rng = rand::thread_rng();
Nov 27 18:17:38.847 INFO [stderr]     |         ----^^^
Nov 27 18:17:38.848 INFO [stderr]     |         |
Nov 27 18:17:38.848 INFO [stderr]     |         help: remove this `mut`
Nov 27 18:17:38.848 INFO [stderr]     |
Nov 27 18:17:38.848 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 27 18:17:38.849 INFO [stderr] 
Nov 27 18:17:38.852 INFO [stderr] warning: unused variable: `valid`
Nov 27 18:17:38.852 INFO [stderr]   --> src/main.rs:21:9
Nov 27 18:17:38.853 INFO [stderr]    |
Nov 27 18:17:38.853 INFO [stderr] 21 |     let valid: Vec<(u32, u32)> = vec!();
Nov 27 18:17:38.853 INFO [stderr]    |         ^^^^^ help: consider using `_valid` instead
Nov 27 18:17:38.853 INFO [stderr]    |
Nov 27 18:17:38.854 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 27 18:17:38.854 INFO [stderr] 
Nov 27 18:17:38.854 INFO [stderr] warning: unused variable: `item`
Nov 27 18:17:38.854 INFO [stderr]   --> src/main.rs:49:13
Nov 27 18:17:38.855 INFO [stderr]    |
Nov 27 18:17:38.855 INFO [stderr] 49 |     for (i, item) in current.iter().enumerate() {
Nov 27 18:17:38.855 INFO [stderr]    |             ^^^^ help: consider using `_item` instead
Nov 27 18:17:38.855 INFO [stderr] 
Nov 27 18:17:38.855 INFO [stderr] warning: unused variable: `rng`
Nov 27 18:17:38.856 INFO [stderr]    --> src/main.rs:111:13
Nov 27 18:17:38.856 INFO [stderr]     |
Nov 27 18:17:38.856 INFO [stderr] 111 |     let mut rng = rand::thread_rng();
Nov 27 18:17:38.856 INFO [stderr]     |             ^^^ help: consider using `_rng` instead
Nov 27 18:17:38.857 INFO [stderr] 
Nov 27 18:17:38.961 INFO [stderr] warning: variable does not need to be mutable
Nov 27 18:17:38.961 INFO [stderr]    --> src/main.rs:111:9
Nov 27 18:17:38.961 INFO [stderr]     |
Nov 27 18:17:38.961 INFO [stderr] 111 |     let mut rng = rand::thread_rng();
Nov 27 18:17:38.961 INFO [stderr]     |         ----^^^
Nov 27 18:17:38.961 INFO [stderr]     |         |
Nov 27 18:17:38.961 INFO [stderr]     |         help: remove this `mut`
Nov 27 18:17:38.961 INFO [stderr]     |
Nov 27 18:17:38.961 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 27 18:17:38.961 INFO [stderr] 
Nov 27 18:17:39.004 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.27s
Nov 27 18:17:39.005 INFO [stderr] su: No module specific data is present
Nov 27 18:17:39.895 INFO running `"docker" "inspect" "4ff58bab42482e1a58e6fd529bf762cbb4269fd42d213456b8381db383bdd089"`
Nov 27 18:17:40.167 INFO running `"docker" "rm" "-f" "4ff58bab42482e1a58e6fd529bf762cbb4269fd42d213456b8381db383bdd089"`
Nov 27 18:17:40.504 INFO [stdout] 4ff58bab42482e1a58e6fd529bf762cbb4269fd42d213456b8381db383bdd089