Nov 28 02:16:48.090 INFO checking komu/weekend-raytracer against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 02:16:48.092 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-1/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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 28 02:16:48.530 INFO [stdout] 4cbd837ccee470259b1b21f894587326ab890f37ad936d5f39ed844b75d3767c
Nov 28 02:16:48.540 INFO running `"docker" "start" "-a" "4cbd837ccee470259b1b21f894587326ab890f37ad936d5f39ed844b75d3767c"`
Nov 28 02:16:49.457 INFO [stderr] usermod: no changes
Nov 28 02:16:49.677 INFO [stderr]     Checking array-init v0.0.4
Nov 28 02:16:49.704 INFO [stderr]     Checking cgmath v0.16.1
Nov 28 02:16:49.704 INFO [stderr]    Compiling num-derive v0.2.2
Nov 28 02:16:49.706 INFO [stderr]     Checking png v0.12.0
Nov 28 02:16:58.645 INFO [stderr]     Checking image v0.19.0
Nov 28 02:17:08.852 INFO [stderr]     Checking weekend-raytracer v0.1.0 (/source)
Nov 28 02:17:11.592 INFO [stderr] warning: unused variable: `rng`
Nov 28 02:17:11.593 INFO [stderr]   --> src/main.rs:72:13
Nov 28 02:17:11.593 INFO [stderr]    |
Nov 28 02:17:11.593 INFO [stderr] 72 |     let mut rng = thread_rng();
Nov 28 02:17:11.593 INFO [stderr]    |             ^^^ help: consider using `_rng` instead
Nov 28 02:17:11.596 INFO [stderr]    |
Nov 28 02:17:11.596 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 02:17:11.596 INFO [stderr] 
Nov 28 02:17:11.628 INFO [stderr] warning: variable does not need to be mutable
Nov 28 02:17:11.628 INFO [stderr]   --> src/main.rs:72:9
Nov 28 02:17:11.628 INFO [stderr]    |
Nov 28 02:17:11.628 INFO [stderr] 72 |     let mut rng = thread_rng();
Nov 28 02:17:11.628 INFO [stderr]    |         ----^^^
Nov 28 02:17:11.628 INFO [stderr]    |         |
Nov 28 02:17:11.628 INFO [stderr]    |         help: remove this `mut`
Nov 28 02:17:11.630 INFO [stderr]    |
Nov 28 02:17:11.630 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 02:17:11.630 INFO [stderr] 
Nov 28 02:17:11.736 INFO [stderr] warning: unused variable: `rng`
Nov 28 02:17:11.736 INFO [stderr]   --> src/main.rs:72:13
Nov 28 02:17:11.736 INFO [stderr]    |
Nov 28 02:17:11.736 INFO [stderr] 72 |     let mut rng = thread_rng();
Nov 28 02:17:11.736 INFO [stderr]    |             ^^^ help: consider using `_rng` instead
Nov 28 02:17:11.736 INFO [stderr]    |
Nov 28 02:17:11.736 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 02:17:11.736 INFO [stderr] 
Nov 28 02:17:11.792 INFO [stderr] warning: variable does not need to be mutable
Nov 28 02:17:11.793 INFO [stderr]   --> src/main.rs:72:9
Nov 28 02:17:11.793 INFO [stderr]    |
Nov 28 02:17:11.793 INFO [stderr] 72 |     let mut rng = thread_rng();
Nov 28 02:17:11.793 INFO [stderr]    |         ----^^^
Nov 28 02:17:11.793 INFO [stderr]    |         |
Nov 28 02:17:11.793 INFO [stderr]    |         help: remove this `mut`
Nov 28 02:17:11.793 INFO [stderr]    |
Nov 28 02:17:11.793 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 02:17:11.793 INFO [stderr] 
Nov 28 02:17:11.917 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.42s
Nov 28 02:17:11.929 INFO [stderr] su: No module specific data is present
Nov 28 02:17:13.288 INFO running `"docker" "inspect" "4cbd837ccee470259b1b21f894587326ab890f37ad936d5f39ed844b75d3767c"`
Nov 28 02:17:13.689 INFO running `"docker" "rm" "-f" "4cbd837ccee470259b1b21f894587326ab890f37ad936d5f39ed844b75d3767c"`
Nov 28 02:17:14.033 INFO [stdout] 4cbd837ccee470259b1b21f894587326ab890f37ad936d5f39ed844b75d3767c