Nov 28 11:20:06.834 INFO checking RollForGuild/RoboGM against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 11:20:06.836 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-7/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 11:20:07.302 INFO [stdout] 911af60e089e55c26792a0dddb5b1ea6fd346519e3cca6eb819c4ea01b5fcdd5
Nov 28 11:20:07.304 INFO running `"docker" "start" "-a" "911af60e089e55c26792a0dddb5b1ea6fd346519e3cca6eb819c4ea01b5fcdd5"`
Nov 28 11:20:09.234 INFO [stderr] usermod: no changes
Nov 28 11:20:09.288 INFO [stderr]     Checking robo_gm v0.1.0 (/source)
Nov 28 11:20:09.920 INFO [stderr] warning: unused import: `rand::Rng`
Nov 28 11:20:09.920 INFO [stderr]  --> src/main.rs:4:5
Nov 28 11:20:09.920 INFO [stderr]   |
Nov 28 11:20:09.920 INFO [stderr] 4 | use rand::Rng;
Nov 28 11:20:09.920 INFO [stderr]   |     ^^^^^^^^^
Nov 28 11:20:09.920 INFO [stderr]   |
Nov 28 11:20:09.920 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 11:20:09.920 INFO [stderr] 
Nov 28 11:20:10.000 INFO [stderr] warning: unused variable: `rng`
Nov 28 11:20:10.000 INFO [stderr]   --> src/main.rs:20:13
Nov 28 11:20:10.000 INFO [stderr]    |
Nov 28 11:20:10.000 INFO [stderr] 20 |     let mut rng = rand::thread_rng();
Nov 28 11:20:10.000 INFO [stderr]    |             ^^^ help: consider using `_rng` instead
Nov 28 11:20:10.000 INFO [stderr]    |
Nov 28 11:20:10.000 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 11:20:10.000 INFO [stderr] 
Nov 28 11:20:10.000 INFO [stderr] warning: variable does not need to be mutable
Nov 28 11:20:10.000 INFO [stderr]   --> src/main.rs:20:9
Nov 28 11:20:10.000 INFO [stderr]    |
Nov 28 11:20:10.000 INFO [stderr] 20 |     let mut rng = rand::thread_rng();
Nov 28 11:20:10.000 INFO [stderr]    |         ----^^^
Nov 28 11:20:10.000 INFO [stderr]    |         |
Nov 28 11:20:10.000 INFO [stderr]    |         help: remove this `mut`
Nov 28 11:20:10.000 INFO [stderr]    |
Nov 28 11:20:10.000 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 11:20:10.000 INFO [stderr] 
Nov 28 11:20:10.000 INFO [stderr] warning: function is never used: `gen_rectangles`
Nov 28 11:20:10.000 INFO [stderr]   --> src/main.rs:34:1
Nov 28 11:20:10.000 INFO [stderr]    |
Nov 28 11:20:10.001 INFO [stderr] 34 | fn gen_rectangles() -> () {
Nov 28 11:20:10.001 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:20:10.001 INFO [stderr]    |
Nov 28 11:20:10.001 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 11:20:10.001 INFO [stderr] 
Nov 28 11:20:10.100 INFO [stderr] warning: unused import: `rand::Rng`
Nov 28 11:20:10.100 INFO [stderr]  --> src/main.rs:4:5
Nov 28 11:20:10.100 INFO [stderr]   |
Nov 28 11:20:10.100 INFO [stderr] 4 | use rand::Rng;
Nov 28 11:20:10.100 INFO [stderr]   |     ^^^^^^^^^
Nov 28 11:20:10.100 INFO [stderr]   |
Nov 28 11:20:10.100 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 11:20:10.100 INFO [stderr] 
Nov 28 11:20:10.132 INFO [stderr] warning: unused variable: `rng`
Nov 28 11:20:10.132 INFO [stderr]   --> src/main.rs:20:13
Nov 28 11:20:10.132 INFO [stderr]    |
Nov 28 11:20:10.132 INFO [stderr] 20 |     let mut rng = rand::thread_rng();
Nov 28 11:20:10.132 INFO [stderr]    |             ^^^ help: consider using `_rng` instead
Nov 28 11:20:10.132 INFO [stderr]    |
Nov 28 11:20:10.132 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 11:20:10.132 INFO [stderr] 
Nov 28 11:20:10.136 INFO [stderr] warning: variable does not need to be mutable
Nov 28 11:20:10.136 INFO [stderr]   --> src/main.rs:20:9
Nov 28 11:20:10.136 INFO [stderr]    |
Nov 28 11:20:10.136 INFO [stderr] 20 |     let mut rng = rand::thread_rng();
Nov 28 11:20:10.136 INFO [stderr]    |         ----^^^
Nov 28 11:20:10.136 INFO [stderr]    |         |
Nov 28 11:20:10.136 INFO [stderr]    |         help: remove this `mut`
Nov 28 11:20:10.136 INFO [stderr]    |
Nov 28 11:20:10.136 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 11:20:10.136 INFO [stderr] 
Nov 28 11:20:10.136 INFO [stderr] warning: function is never used: `gen_rectangles`
Nov 28 11:20:10.136 INFO [stderr]   --> src/main.rs:34:1
Nov 28 11:20:10.136 INFO [stderr]    |
Nov 28 11:20:10.136 INFO [stderr] 34 | fn gen_rectangles() -> () {
Nov 28 11:20:10.136 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:20:10.136 INFO [stderr]    |
Nov 28 11:20:10.136 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 11:20:10.136 INFO [stderr] 
Nov 28 11:20:10.164 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
Nov 28 11:20:10.172 INFO [stderr] su: No module specific data is present
Nov 28 11:20:11.322 INFO running `"docker" "inspect" "911af60e089e55c26792a0dddb5b1ea6fd346519e3cca6eb819c4ea01b5fcdd5"`
Nov 28 11:20:11.611 INFO running `"docker" "rm" "-f" "911af60e089e55c26792a0dddb5b1ea6fd346519e3cca6eb819c4ea01b5fcdd5"`
Nov 28 11:20:11.949 INFO [stdout] 911af60e089e55c26792a0dddb5b1ea6fd346519e3cca6eb819c4ea01b5fcdd5