Dec 05 04:42:18.259 INFO checking veb-rs-0.1.1 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 04:42:18.259 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 05 04:42:18.416 INFO [stdout] 984902e446713ee3a52058157ff4620c36f1f1d603bedce8bd7bc44c0cc2a5dd
Dec 05 04:42:18.418 INFO running `"docker" "start" "-a" "984902e446713ee3a52058157ff4620c36f1f1d603bedce8bd7bc44c0cc2a5dd"`
Dec 05 04:42:18.812 INFO [stderr] usermod: no changes
Dec 05 04:42:18.853 INFO [stderr]     Checking veb-rs v0.1.1 (/source)
Dec 05 04:42:19.503 INFO [stderr] warning: variable does not need to be mutable
Dec 05 04:42:19.503 INFO [stderr]    --> src/lib.rs:254:21
Dec 05 04:42:19.503 INFO [stderr]     |
Dec 05 04:42:19.503 INFO [stderr] 254 |                 let mut subtree = &mut self.children[idx as usize];
Dec 05 04:42:19.503 INFO [stderr]     |                     ----^^^^^^^
Dec 05 04:42:19.503 INFO [stderr]     |                     |
Dec 05 04:42:19.503 INFO [stderr]     |                     help: remove this `mut`
Dec 05 04:42:19.503 INFO [stderr]     |
Dec 05 04:42:19.503 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 04:42:19.503 INFO [stderr] 
Dec 05 04:42:19.531 INFO [stderr] warning: variable does not need to be mutable
Dec 05 04:42:19.532 INFO [stderr]    --> src/lib.rs:254:21
Dec 05 04:42:19.532 INFO [stderr]     |
Dec 05 04:42:19.532 INFO [stderr] 254 |                 let mut subtree = &mut self.children[idx as usize];
Dec 05 04:42:19.532 INFO [stderr]     |                     ----^^^^^^^
Dec 05 04:42:19.532 INFO [stderr]     |                     |
Dec 05 04:42:19.532 INFO [stderr]     |                     help: remove this `mut`
Dec 05 04:42:19.532 INFO [stderr]     |
Dec 05 04:42:19.532 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 04:42:19.532 INFO [stderr] 
Dec 05 04:42:19.559 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
Dec 05 04:42:19.562 INFO [stderr] su: No module specific data is present
Dec 05 04:42:19.836 INFO running `"docker" "inspect" "984902e446713ee3a52058157ff4620c36f1f1d603bedce8bd7bc44c0cc2a5dd"`
Dec 05 04:42:19.942 INFO running `"docker" "rm" "-f" "984902e446713ee3a52058157ff4620c36f1f1d603bedce8bd7bc44c0cc2a5dd"`
Dec 05 04:42:20.026 INFO [stdout] 984902e446713ee3a52058157ff4620c36f1f1d603bedce8bd7bc44c0cc2a5dd