Dec 04 21:29:11.849 INFO checking brson/coingrab against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 21:29:11.849 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 04 21:29:12.351 INFO [stdout] 2579d8416ec1fbdae9bac5c299fb35e07262385d730291daac3dfbda77559905
Dec 04 21:29:12.351 INFO running `"docker" "start" "-a" "2579d8416ec1fbdae9bac5c299fb35e07262385d730291daac3dfbda77559905"`
Dec 04 21:29:13.687 INFO [stderr] usermod: no changes
Dec 04 21:29:13.955 INFO [stderr]     Checking fs2 v0.4.1
Dec 04 21:29:13.955 INFO [stderr]     Checking toml v0.4.1
Dec 04 21:29:13.955 INFO [stderr]     Checking num v0.1.39
Dec 04 21:29:13.961 INFO [stderr]     Checking reqwest v0.6.2
Dec 04 21:29:14.624 INFO [stderr]     Checking chrono v0.3.1
Dec 04 21:29:15.311 INFO [stderr]     Checking fancy_flocks v0.1.0 (/source/fancy_flocks)
Dec 04 21:29:17.315 INFO [stderr] warning: variable does not need to be mutable
Dec 04 21:29:17.315 INFO [stderr]    --> fancy_flocks/src/dirty_flock.rs:111:13
Dec 04 21:29:17.315 INFO [stderr]     |
Dec 04 21:29:17.315 INFO [stderr] 111 |         let mut file = file.deref_mut().as_mut().expect("locked file");
Dec 04 21:29:17.315 INFO [stderr]     |             ----^^^^
Dec 04 21:29:17.315 INFO [stderr]     |             |
Dec 04 21:29:17.315 INFO [stderr]     |             help: remove this `mut`
Dec 04 21:29:17.315 INFO [stderr]     |
Dec 04 21:29:17.315 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 04 21:29:17.315 INFO [stderr] 
Dec 04 21:29:17.335 INFO [stderr] warning: variable does not need to be mutable
Dec 04 21:29:17.335 INFO [stderr]    --> fancy_flocks/src/dirty_flock.rs:123:17
Dec 04 21:29:17.335 INFO [stderr]     |
Dec 04 21:29:17.335 INFO [stderr] 123 |             let mut file = file_.deref_mut().as_mut().expect("locked file");
Dec 04 21:29:17.335 INFO [stderr]     |                 ----^^^^
Dec 04 21:29:17.335 INFO [stderr]     |                 |
Dec 04 21:29:17.335 INFO [stderr]     |                 help: remove this `mut`
Dec 04 21:29:17.335 INFO [stderr] 
Dec 04 21:29:19.454 INFO [stderr]     Checking coingrab v0.1.0 (/source)
Dec 04 21:29:36.299 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.57s
Dec 04 21:29:36.329 INFO [stderr] su: No module specific data is present
Dec 04 21:29:36.747 INFO running `"docker" "inspect" "2579d8416ec1fbdae9bac5c299fb35e07262385d730291daac3dfbda77559905"`
Dec 04 21:29:36.844 INFO running `"docker" "rm" "-f" "2579d8416ec1fbdae9bac5c299fb35e07262385d730291daac3dfbda77559905"`
Dec 04 21:29:37.006 INFO [stdout] 2579d8416ec1fbdae9bac5c299fb35e07262385d730291daac3dfbda77559905