Dec 19 14:55:51.903 INFO checking joshuaholmes/rustboy9001 against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 14:55:51.903 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/joshuaholmes/rustboy9001:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 14:55:52.378 INFO [stdout] ede9c22d49ffe9bc74e9ced002618de4a11ab74d0731c046aca3a068cba69ca1
Dec 19 14:55:52.381 INFO running `"docker" "start" "-a" "ede9c22d49ffe9bc74e9ced002618de4a11ab74d0731c046aca3a068cba69ca1"`
Dec 19 14:55:54.645 INFO [stderr]     Checking rustboy9001 v0.1.0 (/opt/crater/workdir)
Dec 19 14:55:54.916 INFO [stderr] warning: unused import: `std::str`
Dec 19 14:55:54.916 INFO [stderr]  --> src/main.rs:7:5
Dec 19 14:55:54.916 INFO [stderr]   |
Dec 19 14:55:54.916 INFO [stderr] 7 | use std::str;
Dec 19 14:55:54.916 INFO [stderr]   |     ^^^^^^^^
Dec 19 14:55:54.916 INFO [stderr]   |
Dec 19 14:55:54.916 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 14:55:54.916 INFO [stderr] 
Dec 19 14:55:55.048 INFO [stderr] warning: unused import: `std::str`
Dec 19 14:55:55.048 INFO [stderr]  --> src/main.rs:7:5
Dec 19 14:55:55.048 INFO [stderr]   |
Dec 19 14:55:55.048 INFO [stderr] 7 | use std::str;
Dec 19 14:55:55.048 INFO [stderr]   |     ^^^^^^^^
Dec 19 14:55:55.048 INFO [stderr]   |
Dec 19 14:55:55.048 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 14:55:55.048 INFO [stderr] 
Dec 19 14:55:55.112 INFO [stderr] warning: variable does not need to be mutable
Dec 19 14:55:55.112 INFO [stderr]  --> src/util.rs:9:31
Dec 19 14:55:55.112 INFO [stderr]   |
Dec 19 14:55:55.112 INFO [stderr] 9 | pub fn get_subarray_of_vector(mut arr: &mut [u8], vec: &Vec<u8>, start: usize) {
Dec 19 14:55:55.112 INFO [stderr]   |                               ----^^^
Dec 19 14:55:55.112 INFO [stderr]   |                               |
Dec 19 14:55:55.112 INFO [stderr]   |                               help: remove this `mut`
Dec 19 14:55:55.112 INFO [stderr]   |
Dec 19 14:55:55.112 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 19 14:55:55.112 INFO [stderr] 
Dec 19 14:55:55.280 INFO [stderr] warning: variable does not need to be mutable
Dec 19 14:55:55.280 INFO [stderr]  --> src/util.rs:9:31
Dec 19 14:55:55.280 INFO [stderr]   |
Dec 19 14:55:55.280 INFO [stderr] 9 | pub fn get_subarray_of_vector(mut arr: &mut [u8], vec: &Vec<u8>, start: usize) {
Dec 19 14:55:55.280 INFO [stderr]   |                               ----^^^
Dec 19 14:55:55.280 INFO [stderr]   |                               |
Dec 19 14:55:55.280 INFO [stderr]   |                               help: remove this `mut`
Dec 19 14:55:55.280 INFO [stderr]   |
Dec 19 14:55:55.280 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 19 14:55:55.280 INFO [stderr] 
Dec 19 14:55:55.332 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
Dec 19 14:55:56.828 INFO running `"docker" "inspect" "ede9c22d49ffe9bc74e9ced002618de4a11ab74d0731c046aca3a068cba69ca1"`
Dec 19 14:55:57.142 INFO running `"docker" "rm" "-f" "ede9c22d49ffe9bc74e9ced002618de4a11ab74d0731c046aca3a068cba69ca1"`
Dec 19 14:55:57.516 INFO [stdout] ede9c22d49ffe9bc74e9ced002618de4a11ab74d0731c046aca3a068cba69ca1