Nov 28 11:20:06.178 INFO checking RollForGuild/RoboGM against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 11:20:06.180 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 28 11:20:06.624 INFO [stdout] d334f7b23061bd709d27b5c5b7d6ad10a356f2d8b08001e764fddd1f53aef7b2
Nov 28 11:20:06.626 INFO running `"docker" "start" "-a" "d334f7b23061bd709d27b5c5b7d6ad10a356f2d8b08001e764fddd1f53aef7b2"`
Nov 28 11:20:08.371 INFO [stderr] usermod: no changes
Nov 28 11:20:08.456 INFO [stderr]     Checking robo_gm v0.1.0 (/source)
Nov 28 11:20:09.416 INFO [stderr] warning: unused import: `rand::Rng`
Nov 28 11:20:09.416 INFO [stderr]  --> src/main.rs:4:5
Nov 28 11:20:09.416 INFO [stderr]   |
Nov 28 11:20:09.416 INFO [stderr] 4 | use rand::Rng;
Nov 28 11:20:09.416 INFO [stderr]   |     ^^^^^^^^^
Nov 28 11:20:09.416 INFO [stderr]   |
Nov 28 11:20:09.418 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 11:20:09.418 INFO [stderr] 
Nov 28 11:20:09.467 INFO [stderr] warning: unused import: `rand::Rng`
Nov 28 11:20:09.467 INFO [stderr]  --> src/main.rs:4:5
Nov 28 11:20:09.467 INFO [stderr]   |
Nov 28 11:20:09.467 INFO [stderr] 4 | use rand::Rng;
Nov 28 11:20:09.467 INFO [stderr]   |     ^^^^^^^^^
Nov 28 11:20:09.467 INFO [stderr]   |
Nov 28 11:20:09.467 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 11:20:09.467 INFO [stderr] 
Nov 28 11:20:09.470 INFO [stderr] warning: unused variable: `rng`
Nov 28 11:20:09.470 INFO [stderr]   --> src/main.rs:20:13
Nov 28 11:20:09.470 INFO [stderr]    |
Nov 28 11:20:09.470 INFO [stderr] 20 |     let mut rng = rand::thread_rng();
Nov 28 11:20:09.470 INFO [stderr]    |             ^^^ help: consider using `_rng` instead
Nov 28 11:20:09.470 INFO [stderr]    |
Nov 28 11:20:09.471 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 11:20:09.471 INFO [stderr] 
Nov 28 11:20:09.480 INFO [stderr] warning: variable does not need to be mutable
Nov 28 11:20:09.480 INFO [stderr]   --> src/main.rs:20:9
Nov 28 11:20:09.480 INFO [stderr]    |
Nov 28 11:20:09.481 INFO [stderr] 20 |     let mut rng = rand::thread_rng();
Nov 28 11:20:09.481 INFO [stderr]    |         ----^^^
Nov 28 11:20:09.481 INFO [stderr]    |         |
Nov 28 11:20:09.481 INFO [stderr]    |         help: remove this `mut`
Nov 28 11:20:09.482 INFO [stderr]    |
Nov 28 11:20:09.482 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 11:20:09.482 INFO [stderr] 
Nov 28 11:20:09.482 INFO [stderr] warning: function is never used: `gen_rectangles`
Nov 28 11:20:09.482 INFO [stderr]   --> src/main.rs:34:1
Nov 28 11:20:09.483 INFO [stderr]    |
Nov 28 11:20:09.483 INFO [stderr] 34 | fn gen_rectangles() -> () {
Nov 28 11:20:09.483 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:20:09.483 INFO [stderr]    |
Nov 28 11:20:09.484 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 11:20:09.484 INFO [stderr] 
Nov 28 11:20:09.548 INFO [stderr] warning: unused variable: `rng`
Nov 28 11:20:09.549 INFO [stderr]   --> src/main.rs:20:13
Nov 28 11:20:09.549 INFO [stderr]    |
Nov 28 11:20:09.549 INFO [stderr] 20 |     let mut rng = rand::thread_rng();
Nov 28 11:20:09.549 INFO [stderr]    |             ^^^ help: consider using `_rng` instead
Nov 28 11:20:09.549 INFO [stderr]    |
Nov 28 11:20:09.549 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 11:20:09.549 INFO [stderr] 
Nov 28 11:20:09.565 INFO [stderr] warning: variable does not need to be mutable
Nov 28 11:20:09.566 INFO [stderr]   --> src/main.rs:20:9
Nov 28 11:20:09.566 INFO [stderr]    |
Nov 28 11:20:09.566 INFO [stderr] 20 |     let mut rng = rand::thread_rng();
Nov 28 11:20:09.566 INFO [stderr]    |         ----^^^
Nov 28 11:20:09.566 INFO [stderr]    |         |
Nov 28 11:20:09.566 INFO [stderr]    |         help: remove this `mut`
Nov 28 11:20:09.566 INFO [stderr]    |
Nov 28 11:20:09.566 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 11:20:09.566 INFO [stderr] 
Nov 28 11:20:09.567 INFO [stderr] warning: function is never used: `gen_rectangles`
Nov 28 11:20:09.567 INFO [stderr]   --> src/main.rs:34:1
Nov 28 11:20:09.567 INFO [stderr]    |
Nov 28 11:20:09.567 INFO [stderr] 34 | fn gen_rectangles() -> () {
Nov 28 11:20:09.567 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:20:09.567 INFO [stderr]    |
Nov 28 11:20:09.567 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 11:20:09.567 INFO [stderr] 
Nov 28 11:20:09.595 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
Nov 28 11:20:09.605 INFO [stderr] su: No module specific data is present
Nov 28 11:20:10.972 INFO running `"docker" "inspect" "d334f7b23061bd709d27b5c5b7d6ad10a356f2d8b08001e764fddd1f53aef7b2"`
Nov 28 11:20:11.389 INFO running `"docker" "rm" "-f" "d334f7b23061bd709d27b5c5b7d6ad10a356f2d8b08001e764fddd1f53aef7b2"`
Nov 28 11:20:11.760 INFO [stdout] d334f7b23061bd709d27b5c5b7d6ad10a356f2d8b08001e764fddd1f53aef7b2