Nov 29 23:54:14.205 INFO checking komu/weekend-raytracer against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 29 23:54:14.205 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-7/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 23:54:14.661 INFO [stdout] 4f0e94dbeaea74fdce52af525de5abab459667d567348737df33bd9fccb57c7f
Nov 29 23:54:14.662 INFO running `"docker" "start" "-a" "4f0e94dbeaea74fdce52af525de5abab459667d567348737df33bd9fccb57c7f"`
Nov 29 23:54:16.784 INFO [stderr] usermod: no changes
Nov 29 23:54:17.105 INFO [stderr]     Checking array-init v0.0.4
Nov 29 23:54:17.107 INFO [stderr]    Compiling num-derive v0.2.2
Nov 29 23:54:17.107 INFO [stderr]     Checking jpeg-decoder v0.1.15
Nov 29 23:54:23.716 INFO [stderr]     Checking image v0.19.0
Nov 29 23:54:31.358 INFO [stderr]     Checking weekend-raytracer v0.1.0 (/source)
Nov 29 23:54:33.432 INFO [stderr] warning: unused variable: `rng`
Nov 29 23:54:33.432 INFO [stderr]   --> src/main.rs:72:13
Nov 29 23:54:33.432 INFO [stderr]    |
Nov 29 23:54:33.432 INFO [stderr] 72 |     let mut rng = thread_rng();
Nov 29 23:54:33.432 INFO [stderr]    |             ^^^ help: consider using `_rng` instead
Nov 29 23:54:33.432 INFO [stderr]    |
Nov 29 23:54:33.432 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 29 23:54:33.432 INFO [stderr] 
Nov 29 23:54:33.447 INFO [stderr] warning: variable does not need to be mutable
Nov 29 23:54:33.447 INFO [stderr]   --> src/main.rs:72:9
Nov 29 23:54:33.447 INFO [stderr]    |
Nov 29 23:54:33.447 INFO [stderr] 72 |     let mut rng = thread_rng();
Nov 29 23:54:33.447 INFO [stderr]    |         ----^^^
Nov 29 23:54:33.447 INFO [stderr]    |         |
Nov 29 23:54:33.448 INFO [stderr]    |         help: remove this `mut`
Nov 29 23:54:33.448 INFO [stderr]    |
Nov 29 23:54:33.448 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 29 23:54:33.448 INFO [stderr] 
Nov 29 23:54:33.596 INFO [stderr] warning: unused variable: `rng`
Nov 29 23:54:33.596 INFO [stderr]   --> src/main.rs:72:13
Nov 29 23:54:33.596 INFO [stderr]    |
Nov 29 23:54:33.596 INFO [stderr] 72 |     let mut rng = thread_rng();
Nov 29 23:54:33.596 INFO [stderr]    |             ^^^ help: consider using `_rng` instead
Nov 29 23:54:33.596 INFO [stderr]    |
Nov 29 23:54:33.596 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 29 23:54:33.596 INFO [stderr] 
Nov 29 23:54:33.632 INFO [stderr] warning: variable does not need to be mutable
Nov 29 23:54:33.632 INFO [stderr]   --> src/main.rs:72:9
Nov 29 23:54:33.632 INFO [stderr]    |
Nov 29 23:54:33.632 INFO [stderr] 72 |     let mut rng = thread_rng();
Nov 29 23:54:33.632 INFO [stderr]    |         ----^^^
Nov 29 23:54:33.632 INFO [stderr]    |         |
Nov 29 23:54:33.632 INFO [stderr]    |         help: remove this `mut`
Nov 29 23:54:33.632 INFO [stderr]    |
Nov 29 23:54:33.632 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 29 23:54:33.632 INFO [stderr] 
Nov 29 23:54:33.741 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.93s
Nov 29 23:54:33.763 INFO [stderr] su: No module specific data is present
Nov 29 23:54:34.632 INFO running `"docker" "inspect" "4f0e94dbeaea74fdce52af525de5abab459667d567348737df33bd9fccb57c7f"`
Nov 29 23:54:34.898 INFO running `"docker" "rm" "-f" "4f0e94dbeaea74fdce52af525de5abab459667d567348737df33bd9fccb57c7f"`
Nov 29 23:54:35.225 INFO [stdout] 4f0e94dbeaea74fdce52af525de5abab459667d567348737df33bd9fccb57c7f