Dec 04 16:23:06.250 INFO checking joshuaholmes/rustboy9001 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 16:23:06.250 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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"`
Dec 04 16:23:06.702 INFO [stdout] 633f054ec6f751e6df5021b16a2a0fc767dc254425bc01d57f7c860786a06f02
Dec 04 16:23:06.704 INFO running `"docker" "start" "-a" "633f054ec6f751e6df5021b16a2a0fc767dc254425bc01d57f7c860786a06f02"`
Dec 04 16:23:08.366 INFO [stderr] usermod: no changes
Dec 04 16:23:08.423 INFO [stderr]     Checking rustboy9001 v0.1.0 (/source)
Dec 04 16:23:08.933 INFO [stderr] warning: unused import: `std::str`
Dec 04 16:23:08.933 INFO [stderr]  --> src/main.rs:7:5
Dec 04 16:23:08.933 INFO [stderr]   |
Dec 04 16:23:08.933 INFO [stderr] 7 | use std::str;
Dec 04 16:23:08.934 INFO [stderr]   |     ^^^^^^^^
Dec 04 16:23:08.934 INFO [stderr]   |
Dec 04 16:23:08.934 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 16:23:08.934 INFO [stderr] 
Dec 04 16:23:09.155 INFO [stderr] warning: variable does not need to be mutable
Dec 04 16:23:09.155 INFO [stderr]  --> src/util.rs:9:31
Dec 04 16:23:09.155 INFO [stderr]   |
Dec 04 16:23:09.155 INFO [stderr] 9 | pub fn get_subarray_of_vector(mut arr: &mut [u8], vec: &Vec<u8>, start: usize) {
Dec 04 16:23:09.155 INFO [stderr]   |                               ----^^^
Dec 04 16:23:09.155 INFO [stderr]   |                               |
Dec 04 16:23:09.155 INFO [stderr]   |                               help: remove this `mut`
Dec 04 16:23:09.155 INFO [stderr]   |
Dec 04 16:23:09.155 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 04 16:23:09.155 INFO [stderr] 
Dec 04 16:23:09.165 INFO [stderr] warning: unused import: `std::str`
Dec 04 16:23:09.165 INFO [stderr]  --> src/main.rs:7:5
Dec 04 16:23:09.165 INFO [stderr]   |
Dec 04 16:23:09.165 INFO [stderr] 7 | use std::str;
Dec 04 16:23:09.165 INFO [stderr]   |     ^^^^^^^^
Dec 04 16:23:09.165 INFO [stderr]   |
Dec 04 16:23:09.165 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 16:23:09.165 INFO [stderr] 
Dec 04 16:23:09.387 INFO [stderr] warning: variable does not need to be mutable
Dec 04 16:23:09.387 INFO [stderr]  --> src/util.rs:9:31
Dec 04 16:23:09.387 INFO [stderr]   |
Dec 04 16:23:09.387 INFO [stderr] 9 | pub fn get_subarray_of_vector(mut arr: &mut [u8], vec: &Vec<u8>, start: usize) {
Dec 04 16:23:09.387 INFO [stderr]   |                               ----^^^
Dec 04 16:23:09.387 INFO [stderr]   |                               |
Dec 04 16:23:09.387 INFO [stderr]   |                               help: remove this `mut`
Dec 04 16:23:09.387 INFO [stderr]   |
Dec 04 16:23:09.387 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 04 16:23:09.387 INFO [stderr] 
Dec 04 16:23:09.475 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
Dec 04 16:23:09.489 INFO [stderr] su: No module specific data is present
Dec 04 16:23:10.696 INFO running `"docker" "inspect" "633f054ec6f751e6df5021b16a2a0fc767dc254425bc01d57f7c860786a06f02"`
Dec 04 16:23:10.963 INFO running `"docker" "rm" "-f" "633f054ec6f751e6df5021b16a2a0fc767dc254425bc01d57f7c860786a06f02"`
Dec 04 16:23:11.368 INFO [stdout] 633f054ec6f751e6df5021b16a2a0fc767dc254425bc01d57f7c860786a06f02