Dec 01 01:48:30.731 INFO checking attr-0.1.0 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Dec 01 01:48:30.731 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-1/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 01 01:48:31.109 INFO [stdout] f50827e5ddfaf1589a439e9d59c21fd7b1a75c8404fdb4f25ef2d680a79912bb
Dec 01 01:48:31.111 INFO running `"docker" "start" "-a" "f50827e5ddfaf1589a439e9d59c21fd7b1a75c8404fdb4f25ef2d680a79912bb"`
Dec 01 01:48:32.211 INFO [stderr] usermod: no changes
Dec 01 01:48:32.234 INFO [stderr] warning: only one of `license` or `license-file` is necessary
Dec 01 01:48:32.249 INFO [stderr]     Checking attr v0.1.0 (/source)
Dec 01 01:48:33.738 INFO [stderr] warning: variable does not need to be mutable
Dec 01 01:48:33.738 INFO [stderr]    --> tests/simple.rs:108:9
Dec 01 01:48:33.738 INFO [stderr]     |
Dec 01 01:48:33.738 INFO [stderr] 108 |     let mut batz = Bar::attrs().batz.get(&mut f);
Dec 01 01:48:33.738 INFO [stderr]     |         ----^^^^
Dec 01 01:48:33.738 INFO [stderr]     |         |
Dec 01 01:48:33.738 INFO [stderr]     |         help: remove this `mut`
Dec 01 01:48:33.738 INFO [stderr]     |
Dec 01 01:48:33.738 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 01 01:48:33.738 INFO [stderr] 
Dec 01 01:48:34.230 INFO [stderr] warning: variable does not need to be mutable
Dec 01 01:48:34.230 INFO [stderr]    --> tests/nested.rs:252:13
Dec 01 01:48:34.230 INFO [stderr]     |
Dec 01 01:48:34.230 INFO [stderr] 252 |         let mut x: &mut i32 = foo::Numbers.at(&mut f, 1);
Dec 01 01:48:34.230 INFO [stderr]     |             ----^
Dec 01 01:48:34.230 INFO [stderr]     |             |
Dec 01 01:48:34.230 INFO [stderr]     |             help: remove this `mut`
Dec 01 01:48:34.230 INFO [stderr]     |
Dec 01 01:48:34.230 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 01 01:48:34.230 INFO [stderr] 
Dec 01 01:48:34.612 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.38s
Dec 01 01:48:34.612 INFO [stderr] su: No module specific data is present
Dec 01 01:48:35.432 INFO running `"docker" "inspect" "f50827e5ddfaf1589a439e9d59c21fd7b1a75c8404fdb4f25ef2d680a79912bb"`
Dec 01 01:48:35.654 INFO running `"docker" "rm" "-f" "f50827e5ddfaf1589a439e9d59c21fd7b1a75c8404fdb4f25ef2d680a79912bb"`
Dec 01 01:48:35.968 INFO [stdout] f50827e5ddfaf1589a439e9d59c21fd7b1a75c8404fdb4f25ef2d680a79912bb