Dec 19 21:45:35.022 INFO checking Tahler/snoss against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 21:45:35.022 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/Tahler/snoss:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 21:45:37.242 INFO [stdout] b73741ace51cd4a7f86350d1b2d1f701cfe16a92937ae8747ec1b974d7f52506
Dec 19 21:45:37.244 INFO running `"docker" "start" "-a" "b73741ace51cd4a7f86350d1b2d1f701cfe16a92937ae8747ec1b974d7f52506"`
Dec 19 21:45:37.798 INFO [stderr]    Compiling miniz-sys v0.1.9
Dec 19 21:45:37.798 INFO [stderr]     Checking humantime v1.0.0
Dec 19 21:45:37.798 INFO [stderr]     Checking ordered-float v0.4.0
Dec 19 21:45:37.798 INFO [stderr]     Checking serde_yaml v0.6.1
Dec 19 21:45:37.798 INFO [stderr]    Compiling serde_derive v0.9.7
Dec 19 21:45:38.368 INFO [stderr]     Checking serde-value v0.4.0
Dec 19 21:45:40.236 INFO [stderr]     Checking flate2 v0.2.17
Dec 19 21:45:43.840 INFO [stderr]     Checking log4rs v0.6.1
Dec 19 21:45:45.838 INFO [stderr]     Checking snoss v0.1.0 (/opt/crater/workdir)
Dec 19 21:45:48.316 INFO [stderr] warning: variable does not need to be mutable
Dec 19 21:45:48.316 INFO [stderr]    --> src/os/exec.rs:194:13
Dec 19 21:45:48.316 INFO [stderr]     |
Dec 19 21:45:48.316 INFO [stderr] 194 |         let mut stack = pcb.get_stack_mut();
Dec 19 21:45:48.316 INFO [stderr]     |             ----^^^^^
Dec 19 21:45:48.316 INFO [stderr]     |             |
Dec 19 21:45:48.316 INFO [stderr]     |             help: remove this `mut`
Dec 19 21:45:48.316 INFO [stderr]     |
Dec 19 21:45:48.316 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 19 21:45:48.316 INFO [stderr] 
Dec 19 21:45:48.348 INFO [stderr] warning: variable does not need to be mutable
Dec 19 21:45:48.348 INFO [stderr]   --> src/os/ps/pcb.rs:63:13
Dec 19 21:45:48.348 INFO [stderr]    |
Dec 19 21:45:48.348 INFO [stderr] 63 |         let mut ctx = &mut self.header.ctx;
Dec 19 21:45:48.348 INFO [stderr]    |             ----^^^
Dec 19 21:45:48.348 INFO [stderr]    |             |
Dec 19 21:45:48.348 INFO [stderr]    |             help: remove this `mut`
Dec 19 21:45:48.348 INFO [stderr] 
Dec 19 21:45:48.664 INFO [stderr] warning: variable does not need to be mutable
Dec 19 21:45:48.664 INFO [stderr]    --> src/os/exec.rs:194:13
Dec 19 21:45:48.664 INFO [stderr]     |
Dec 19 21:45:48.664 INFO [stderr] 194 |         let mut stack = pcb.get_stack_mut();
Dec 19 21:45:48.664 INFO [stderr]     |             ----^^^^^
Dec 19 21:45:48.664 INFO [stderr]     |             |
Dec 19 21:45:48.664 INFO [stderr]     |             help: remove this `mut`
Dec 19 21:45:48.664 INFO [stderr]     |
Dec 19 21:45:48.664 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 19 21:45:48.664 INFO [stderr] 
Dec 19 21:45:48.697 INFO [stderr] warning: variable does not need to be mutable
Dec 19 21:45:48.697 INFO [stderr]   --> src/os/ps/pcb.rs:63:13
Dec 19 21:45:48.697 INFO [stderr]    |
Dec 19 21:45:48.697 INFO [stderr] 63 |         let mut ctx = &mut self.header.ctx;
Dec 19 21:45:48.697 INFO [stderr]    |             ----^^^
Dec 19 21:45:48.697 INFO [stderr]    |             |
Dec 19 21:45:48.697 INFO [stderr]    |             help: remove this `mut`
Dec 19 21:45:48.704 INFO [stderr] 
Dec 19 21:45:48.780 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.06s
Dec 19 21:45:49.358 INFO running `"docker" "inspect" "b73741ace51cd4a7f86350d1b2d1f701cfe16a92937ae8747ec1b974d7f52506"`
Dec 19 21:45:49.732 INFO running `"docker" "rm" "-f" "b73741ace51cd4a7f86350d1b2d1f701cfe16a92937ae8747ec1b974d7f52506"`
Dec 19 21:45:50.080 INFO [stdout] b73741ace51cd4a7f86350d1b2d1f701cfe16a92937ae8747ec1b974d7f52506