Dec 05 01:54:44.324 INFO checking Jellonator/Emailang against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 01:54:44.324 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 05 01:54:44.824 INFO [stdout] 58111389f2ed3e88296f9f0736b4247faea05a1a84ed0b0ae5d66ea37ae53e39
Dec 05 01:54:44.826 INFO running `"docker" "start" "-a" "58111389f2ed3e88296f9f0736b4247faea05a1a84ed0b0ae5d66ea37ae53e39"`
Dec 05 01:54:46.587 INFO [stderr] usermod: no changes
Dec 05 01:54:46.711 INFO [stderr]     Checking emailang v1.0.0 (/source)
Dec 05 01:54:48.731 INFO [stderr] warning: variable does not need to be mutable
Dec 05 01:54:48.731 INFO [stderr]   --> src/interpreter/mod.rs:58:7
Dec 05 01:54:48.731 INFO [stderr]    |
Dec 05 01:54:48.731 INFO [stderr] 58 |         let mut serv = match self.get_server(&tserver) {
Dec 05 01:54:48.731 INFO [stderr]    |             ----^^^^
Dec 05 01:54:48.731 INFO [stderr]    |             |
Dec 05 01:54:48.731 INFO [stderr]    |             help: remove this `mut`
Dec 05 01:54:48.731 INFO [stderr]    |
Dec 05 01:54:48.731 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 01:54:48.731 INFO [stderr] 
Dec 05 01:54:48.731 INFO [stderr] warning: variable does not need to be mutable
Dec 05 01:54:48.731 INFO [stderr]   --> src/interpreter/mod.rs:63:7
Dec 05 01:54:48.731 INFO [stderr]    |
Dec 05 01:54:48.731 INFO [stderr] 63 |         let mut user = match serv.get_user_mut(&tuser) {
Dec 05 01:54:48.731 INFO [stderr]    |             ----^^^^
Dec 05 01:54:48.731 INFO [stderr]    |             |
Dec 05 01:54:48.731 INFO [stderr]    |             help: remove this `mut`
Dec 05 01:54:48.731 INFO [stderr] 
Dec 05 01:54:48.895 INFO [stderr] warning: variable does not need to be mutable
Dec 05 01:54:48.895 INFO [stderr]   --> src/interpreter/mod.rs:58:7
Dec 05 01:54:48.895 INFO [stderr]    |
Dec 05 01:54:48.895 INFO [stderr] 58 |         let mut serv = match self.get_server(&tserver) {
Dec 05 01:54:48.895 INFO [stderr]    |             ----^^^^
Dec 05 01:54:48.895 INFO [stderr]    |             |
Dec 05 01:54:48.895 INFO [stderr]    |             help: remove this `mut`
Dec 05 01:54:48.895 INFO [stderr]    |
Dec 05 01:54:48.895 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 01:54:48.895 INFO [stderr] 
Dec 05 01:54:48.895 INFO [stderr] warning: variable does not need to be mutable
Dec 05 01:54:48.895 INFO [stderr]   --> src/interpreter/mod.rs:63:7
Dec 05 01:54:48.895 INFO [stderr]    |
Dec 05 01:54:48.895 INFO [stderr] 63 |         let mut user = match serv.get_user_mut(&tuser) {
Dec 05 01:54:48.895 INFO [stderr]    |             ----^^^^
Dec 05 01:54:48.895 INFO [stderr]    |             |
Dec 05 01:54:48.895 INFO [stderr]    |             help: remove this `mut`
Dec 05 01:54:48.895 INFO [stderr] 
Dec 05 01:54:49.143 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.53s
Dec 05 01:54:49.150 INFO [stderr] su: No module specific data is present
Dec 05 01:54:50.360 INFO running `"docker" "inspect" "58111389f2ed3e88296f9f0736b4247faea05a1a84ed0b0ae5d66ea37ae53e39"`
Dec 05 01:54:50.671 INFO running `"docker" "rm" "-f" "58111389f2ed3e88296f9f0736b4247faea05a1a84ed0b0ae5d66ea37ae53e39"`
Dec 05 01:54:50.907 INFO [stdout] 58111389f2ed3e88296f9f0736b4247faea05a1a84ed0b0ae5d66ea37ae53e39