Dec 05 16:29:41.591 INFO checking attr-0.1.0 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 16:29:41.591 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 16:29:41.815 INFO [stdout] 38f8e862c44171d186223a8477b9e31a0d7b9f1e3331beb4f357c9905a4e5792
Dec 05 16:29:41.817 INFO running `"docker" "start" "-a" "38f8e862c44171d186223a8477b9e31a0d7b9f1e3331beb4f357c9905a4e5792"`
Dec 05 16:29:42.407 INFO [stderr] usermod: no changes
Dec 05 16:29:42.475 INFO [stderr] warning: only one of `license` or `license-file` is necessary
Dec 05 16:29:42.475 INFO [stderr]     Checking attr v0.1.0 (/source)
Dec 05 16:29:45.977 INFO [stderr] warning: variable does not need to be mutable
Dec 05 16:29:45.977 INFO [stderr]    --> tests/simple.rs:108:9
Dec 05 16:29:45.977 INFO [stderr]     |
Dec 05 16:29:45.977 INFO [stderr] 108 |     let mut batz = Bar::attrs().batz.get(&mut f);
Dec 05 16:29:45.977 INFO [stderr]     |         ----^^^^
Dec 05 16:29:45.977 INFO [stderr]     |         |
Dec 05 16:29:45.977 INFO [stderr]     |         help: remove this `mut`
Dec 05 16:29:46.023 INFO [stderr]     |
Dec 05 16:29:46.023 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 16:29:46.023 INFO [stderr] 
Dec 05 16:29:46.763 INFO [stderr] warning: variable does not need to be mutable
Dec 05 16:29:46.763 INFO [stderr]    --> tests/nested.rs:252:13
Dec 05 16:29:46.763 INFO [stderr]     |
Dec 05 16:29:46.763 INFO [stderr] 252 |         let mut x: &mut i32 = foo::Numbers.at(&mut f, 1);
Dec 05 16:29:46.763 INFO [stderr]     |             ----^
Dec 05 16:29:46.763 INFO [stderr]     |             |
Dec 05 16:29:46.763 INFO [stderr]     |             help: remove this `mut`
Dec 05 16:29:46.763 INFO [stderr]     |
Dec 05 16:29:46.763 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 16:29:46.763 INFO [stderr] 
Dec 05 16:29:47.015 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.59s
Dec 05 16:29:47.019 INFO [stderr] su: No module specific data is present
Dec 05 16:29:47.664 INFO running `"docker" "inspect" "38f8e862c44171d186223a8477b9e31a0d7b9f1e3331beb4f357c9905a4e5792"`
Dec 05 16:29:47.941 INFO running `"docker" "rm" "-f" "38f8e862c44171d186223a8477b9e31a0d7b9f1e3331beb4f357c9905a4e5792"`
Dec 05 16:29:48.225 INFO [stdout] 38f8e862c44171d186223a8477b9e31a0d7b9f1e3331beb4f357c9905a4e5792