Nov 29 23:54:14.436 INFO checking komu/weekend-raytracer against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 29 23:54:14.436 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-2/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 29 23:54:14.728 INFO [stdout] a37a1c59e8fe6240e0d4837ea55db9700c77d5be9ef1ebc277729f10636ff934
Nov 29 23:54:14.730 INFO running `"docker" "start" "-a" "a37a1c59e8fe6240e0d4837ea55db9700c77d5be9ef1ebc277729f10636ff934"`
Nov 29 23:54:16.329 INFO [stderr] usermod: no changes
Nov 29 23:54:16.570 INFO [stderr]     Checking array-init v0.0.4
Nov 29 23:54:16.576 INFO [stderr]     Checking cgmath v0.16.1
Nov 29 23:54:16.576 INFO [stderr]    Compiling num-derive v0.2.2
Nov 29 23:54:24.677 INFO [stderr]     Checking image v0.19.0
Nov 29 23:54:33.644 INFO [stderr]     Checking weekend-raytracer v0.1.0 (/source)
Nov 29 23:54:36.107 INFO [stderr] warning: unused variable: `rng`
Nov 29 23:54:36.107 INFO [stderr]   --> src/main.rs:72:13
Nov 29 23:54:36.107 INFO [stderr]    |
Nov 29 23:54:36.107 INFO [stderr] 72 |     let mut rng = thread_rng();
Nov 29 23:54:36.107 INFO [stderr]    |             ^^^ help: consider using `_rng` instead
Nov 29 23:54:36.107 INFO [stderr]    |
Nov 29 23:54:36.107 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 29 23:54:36.107 INFO [stderr] 
Nov 29 23:54:36.164 INFO [stderr] warning: variable does not need to be mutable
Nov 29 23:54:36.165 INFO [stderr]   --> src/main.rs:72:9
Nov 29 23:54:36.168 INFO [stderr]    |
Nov 29 23:54:36.168 INFO [stderr] 72 |     let mut rng = thread_rng();
Nov 29 23:54:36.168 INFO [stderr]    |         ----^^^
Nov 29 23:54:36.168 INFO [stderr]    |         |
Nov 29 23:54:36.168 INFO [stderr]    |         help: remove this `mut`
Nov 29 23:54:36.168 INFO [stderr]    |
Nov 29 23:54:36.168 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 29 23:54:36.168 INFO [stderr] 
Nov 29 23:54:36.353 INFO [stderr] warning: unused variable: `rng`
Nov 29 23:54:36.356 INFO [stderr]   --> src/main.rs:72:13
Nov 29 23:54:36.356 INFO [stderr]    |
Nov 29 23:54:36.356 INFO [stderr] 72 |     let mut rng = thread_rng();
Nov 29 23:54:36.356 INFO [stderr]    |             ^^^ help: consider using `_rng` instead
Nov 29 23:54:36.356 INFO [stderr]    |
Nov 29 23:54:36.356 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 29 23:54:36.356 INFO [stderr] 
Nov 29 23:54:36.376 INFO [stderr] warning: variable does not need to be mutable
Nov 29 23:54:36.376 INFO [stderr]   --> src/main.rs:72:9
Nov 29 23:54:36.376 INFO [stderr]    |
Nov 29 23:54:36.376 INFO [stderr] 72 |     let mut rng = thread_rng();
Nov 29 23:54:36.376 INFO [stderr]    |         ----^^^
Nov 29 23:54:36.376 INFO [stderr]    |         |
Nov 29 23:54:36.376 INFO [stderr]    |         help: remove this `mut`
Nov 29 23:54:36.376 INFO [stderr]    |
Nov 29 23:54:36.376 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 29 23:54:36.376 INFO [stderr] 
Nov 29 23:54:36.492 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.12s
Nov 29 23:54:36.516 INFO [stderr] su: No module specific data is present
Nov 29 23:54:37.124 INFO running `"docker" "inspect" "a37a1c59e8fe6240e0d4837ea55db9700c77d5be9ef1ebc277729f10636ff934"`
Nov 29 23:54:37.399 INFO running `"docker" "rm" "-f" "a37a1c59e8fe6240e0d4837ea55db9700c77d5be9ef1ebc277729f10636ff934"`
Nov 29 23:54:37.684 INFO [stdout] a37a1c59e8fe6240e0d4837ea55db9700c77d5be9ef1ebc277729f10636ff934