Dec 12 06:18:33.675 INFO checking thincollections-0.5.3 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 06:18:33.675 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 12 06:18:33.937 INFO [stdout] a431682c76be1770ec2f084480d133e0d6e005df7564c31a8500fd2edc39e5c6
Dec 12 06:18:33.940 INFO running `"docker" "start" "-a" "a431682c76be1770ec2f084480d133e0d6e005df7564c31a8500fd2edc39e5c6"`
Dec 12 06:18:35.224 INFO [stderr] usermod: no changes
Dec 12 06:18:35.368 INFO [stderr]     Checking thincollections v0.5.3 (/source)
Dec 12 06:18:35.368 INFO [stderr]     Checking xoshiro v0.0.4
Dec 12 06:18:35.368 INFO [stderr]     Checking num-bigint v0.2.1
Dec 12 06:18:39.736 INFO [stderr]     Checking num-rational v0.2.1
Dec 12 06:18:39.772 INFO [stderr] warning: variable does not need to be mutable
Dec 12 06:18:39.772 INFO [stderr]     --> src/thin_vec.rs:1244:29
Dec 12 06:18:39.772 INFO [stderr]      |
Dec 12 06:18:39.772 INFO [stderr] 1244 |     pub fn into_boxed_slice(mut self) -> Box<[T]> {
Dec 12 06:18:39.772 INFO [stderr]      |                             ----^^^^
Dec 12 06:18:39.772 INFO [stderr]      |                             |
Dec 12 06:18:39.772 INFO [stderr]      |                             help: remove this `mut`
Dec 12 06:18:39.772 INFO [stderr]      |
Dec 12 06:18:39.772 INFO [stderr]      = note: #[warn(unused_mut)] on by default
Dec 12 06:18:39.772 INFO [stderr] 
Dec 12 06:18:40.910 INFO [stderr]     Checking num v0.2.0
Dec 12 06:18:42.532 INFO [stderr] warning: unused import: `super::ThinSentinel`
Dec 12 06:18:42.532 INFO [stderr]     --> src/thin_map.rs:2135:9
Dec 12 06:18:42.532 INFO [stderr]      |
Dec 12 06:18:42.532 INFO [stderr] 2135 |     use super::ThinSentinel;
Dec 12 06:18:42.532 INFO [stderr]      |         ^^^^^^^^^^^^^^^^^^^
Dec 12 06:18:42.532 INFO [stderr]      |
Dec 12 06:18:42.532 INFO [stderr]      = note: #[warn(unused_imports)] on by default
Dec 12 06:18:42.532 INFO [stderr] 
Dec 12 06:18:45.308 INFO [stderr] warning: variable does not need to be mutable
Dec 12 06:18:45.308 INFO [stderr]     --> src/thin_vec.rs:1244:29
Dec 12 06:18:45.308 INFO [stderr]      |
Dec 12 06:18:45.308 INFO [stderr] 1244 |     pub fn into_boxed_slice(mut self) -> Box<[T]> {
Dec 12 06:18:45.308 INFO [stderr]      |                             ----^^^^
Dec 12 06:18:45.308 INFO [stderr]      |                             |
Dec 12 06:18:45.308 INFO [stderr]      |                             help: remove this `mut`
Dec 12 06:18:45.308 INFO [stderr]      |
Dec 12 06:18:45.308 INFO [stderr]      = note: #[warn(unused_mut)] on by default
Dec 12 06:18:45.308 INFO [stderr] 
Dec 12 06:18:45.544 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.30s
Dec 12 06:18:45.560 INFO [stderr] su: No module specific data is present
Dec 12 06:18:46.268 INFO running `"docker" "inspect" "a431682c76be1770ec2f084480d133e0d6e005df7564c31a8500fd2edc39e5c6"`
Dec 12 06:18:46.542 INFO running `"docker" "rm" "-f" "a431682c76be1770ec2f084480d133e0d6e005df7564c31a8500fd2edc39e5c6"`
Dec 12 06:18:46.872 INFO [stdout] a431682c76be1770ec2f084480d133e0d6e005df7564c31a8500fd2edc39e5c6