Dec 18 05:18:06.210 INFO checking Tahler/snoss against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 05:18:06.210 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 05:18:06.466 INFO [stdout] f2877e8b6cfa6bba96d99513752796ce3cf328964abeac0f15a5e520850f9b49
Dec 18 05:18:06.468 INFO running `"docker" "start" "-a" "f2877e8b6cfa6bba96d99513752796ce3cf328964abeac0f15a5e520850f9b49"`
Dec 18 05:18:07.273 INFO [stderr]    Compiling miniz-sys v0.1.9
Dec 18 05:18:07.284 INFO [stderr]     Checking serde_yaml v0.6.1
Dec 18 05:18:07.284 INFO [stderr]     Checking serde-value v0.4.0
Dec 18 05:18:09.251 INFO [stderr]     Checking flate2 v0.2.17
Dec 18 05:18:09.774 INFO [stderr]     Checking log4rs v0.6.1
Dec 18 05:18:11.372 INFO [stderr]     Checking snoss v0.1.0 (/opt/crater/workdir)
Dec 18 05:18:14.576 INFO [stderr] warning: variable does not need to be mutable
Dec 18 05:18:14.577 INFO [stderr]    --> src/os/exec.rs:194:13
Dec 18 05:18:14.577 INFO [stderr]     |
Dec 18 05:18:14.577 INFO [stderr] 194 |         let mut stack = pcb.get_stack_mut();
Dec 18 05:18:14.578 INFO [stderr]     |             ----^^^^^
Dec 18 05:18:14.578 INFO [stderr]     |             |
Dec 18 05:18:14.578 INFO [stderr]     |             help: remove this `mut`
Dec 18 05:18:14.579 INFO [stderr]     |
Dec 18 05:18:14.579 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 05:18:14.579 INFO [stderr] 
Dec 18 05:18:14.634 INFO [stderr] warning: variable does not need to be mutable
Dec 18 05:18:14.634 INFO [stderr]   --> src/os/ps/pcb.rs:63:13
Dec 18 05:18:14.634 INFO [stderr]    |
Dec 18 05:18:14.634 INFO [stderr] 63 |         let mut ctx = &mut self.header.ctx;
Dec 18 05:18:14.634 INFO [stderr]    |             ----^^^
Dec 18 05:18:14.634 INFO [stderr]    |             |
Dec 18 05:18:14.634 INFO [stderr]    |             help: remove this `mut`
Dec 18 05:18:14.634 INFO [stderr] 
Dec 18 05:18:14.772 INFO [stderr] warning: variable does not need to be mutable
Dec 18 05:18:14.773 INFO [stderr]    --> src/os/exec.rs:194:13
Dec 18 05:18:14.773 INFO [stderr]     |
Dec 18 05:18:14.773 INFO [stderr] 194 |         let mut stack = pcb.get_stack_mut();
Dec 18 05:18:14.773 INFO [stderr]     |             ----^^^^^
Dec 18 05:18:14.773 INFO [stderr]     |             |
Dec 18 05:18:14.773 INFO [stderr]     |             help: remove this `mut`
Dec 18 05:18:14.773 INFO [stderr]     |
Dec 18 05:18:14.773 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 05:18:14.773 INFO [stderr] 
Dec 18 05:18:14.828 INFO [stderr] warning: variable does not need to be mutable
Dec 18 05:18:14.828 INFO [stderr]   --> src/os/ps/pcb.rs:63:13
Dec 18 05:18:14.836 INFO [stderr]    |
Dec 18 05:18:14.836 INFO [stderr] 63 |         let mut ctx = &mut self.header.ctx;
Dec 18 05:18:14.837 INFO [stderr]    |             ----^^^
Dec 18 05:18:14.837 INFO [stderr]    |             |
Dec 18 05:18:14.837 INFO [stderr]    |             help: remove this `mut`
Dec 18 05:18:14.837 INFO [stderr] 
Dec 18 05:18:14.913 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.81s
Dec 18 05:18:16.490 INFO running `"docker" "inspect" "f2877e8b6cfa6bba96d99513752796ce3cf328964abeac0f15a5e520850f9b49"`
Dec 18 05:18:16.832 INFO running `"docker" "rm" "-f" "f2877e8b6cfa6bba96d99513752796ce3cf328964abeac0f15a5e520850f9b49"`
Dec 18 05:18:17.088 INFO [stdout] f2877e8b6cfa6bba96d99513752796ce3cf328964abeac0f15a5e520850f9b49