Dec 05 09:57:15.124 INFO checking nff-0.1.2 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 09:57:15.124 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 09:57:15.523 INFO [stdout] 4a2b01889be83c7882fde3f4ed0f01c2ec79ed4d8e0123003bd31a6f1e6f706a
Dec 05 09:57:15.526 INFO running `"docker" "start" "-a" "4a2b01889be83c7882fde3f4ed0f01c2ec79ed4d8e0123003bd31a6f1e6f706a"`
Dec 05 09:57:16.323 INFO [stderr] usermod: no changes
Dec 05 09:57:16.419 INFO [stderr]     Checking hashbrown v0.1.7
Dec 05 09:57:17.479 INFO [stderr]     Checking nff v0.1.2 (/source)
Dec 05 09:57:18.339 INFO [stderr] warning: variable does not need to be mutable
Dec 05 09:57:18.339 INFO [stderr]   --> src/lib.rs:61:17
Dec 05 09:57:18.339 INFO [stderr]    |
Dec 05 09:57:18.339 INFO [stderr] 61 |             let mut rhs = side.next().expect("Missing right hand side").trim().chars();
Dec 05 09:57:18.339 INFO [stderr]    |                 ----^^^
Dec 05 09:57:18.339 INFO [stderr]    |                 |
Dec 05 09:57:18.339 INFO [stderr]    |                 help: remove this `mut`
Dec 05 09:57:18.339 INFO [stderr]    |
Dec 05 09:57:18.339 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 09:57:18.339 INFO [stderr] 
Dec 05 09:57:18.739 INFO [stderr] warning: variable does not need to be mutable
Dec 05 09:57:18.740 INFO [stderr]   --> src/lib.rs:61:17
Dec 05 09:57:18.740 INFO [stderr]    |
Dec 05 09:57:18.740 INFO [stderr] 61 |             let mut rhs = side.next().expect("Missing right hand side").trim().chars();
Dec 05 09:57:18.746 INFO [stderr]    |                 ----^^^
Dec 05 09:57:18.746 INFO [stderr]    |                 |
Dec 05 09:57:18.746 INFO [stderr]    |                 help: remove this `mut`
Dec 05 09:57:18.746 INFO [stderr]    |
Dec 05 09:57:18.746 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 09:57:18.746 INFO [stderr] 
Dec 05 09:57:19.361 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.99s
Dec 05 09:57:19.363 INFO [stderr] su: No module specific data is present
Dec 05 09:57:19.805 INFO running `"docker" "inspect" "4a2b01889be83c7882fde3f4ed0f01c2ec79ed4d8e0123003bd31a6f1e6f706a"`
Dec 05 09:57:20.037 INFO running `"docker" "rm" "-f" "4a2b01889be83c7882fde3f4ed0f01c2ec79ed4d8e0123003bd31a6f1e6f706a"`
Dec 05 09:57:20.475 INFO [stdout] 4a2b01889be83c7882fde3f4ed0f01c2ec79ed4d8e0123003bd31a6f1e6f706a