Dec 05 01:54:46.036 INFO checking Jellonator/Emailang against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 01:54:46.036 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 01:54:46.560 INFO [stdout] 98099366af0bc5dc1c1b4ebff201869f04d40bb95c64eb1f2775a51f24412c7f
Dec 05 01:54:46.562 INFO running `"docker" "start" "-a" "98099366af0bc5dc1c1b4ebff201869f04d40bb95c64eb1f2775a51f24412c7f"`
Dec 05 01:54:48.275 INFO [stderr] usermod: no changes
Dec 05 01:54:48.423 INFO [stderr]     Checking emailang v1.0.0 (/source)
Dec 05 01:54:50.235 INFO [stderr] warning: variable does not need to be mutable
Dec 05 01:54:50.235 INFO [stderr]   --> src/interpreter/mod.rs:58:7
Dec 05 01:54:50.235 INFO [stderr]    |
Dec 05 01:54:50.235 INFO [stderr] 58 |         let mut serv = match self.get_server(&tserver) {
Dec 05 01:54:50.235 INFO [stderr]    |             ----^^^^
Dec 05 01:54:50.235 INFO [stderr]    |             |
Dec 05 01:54:50.235 INFO [stderr]    |             help: remove this `mut`
Dec 05 01:54:50.235 INFO [stderr]    |
Dec 05 01:54:50.236 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 01:54:50.236 INFO [stderr] 
Dec 05 01:54:50.236 INFO [stderr] warning: variable does not need to be mutable
Dec 05 01:54:50.236 INFO [stderr]   --> src/interpreter/mod.rs:63:7
Dec 05 01:54:50.236 INFO [stderr]    |
Dec 05 01:54:50.236 INFO [stderr] 63 |         let mut user = match serv.get_user_mut(&tuser) {
Dec 05 01:54:50.236 INFO [stderr]    |             ----^^^^
Dec 05 01:54:50.236 INFO [stderr]    |             |
Dec 05 01:54:50.236 INFO [stderr]    |             help: remove this `mut`
Dec 05 01:54:50.236 INFO [stderr] 
Dec 05 01:54:50.479 INFO [stderr] warning: variable does not need to be mutable
Dec 05 01:54:50.479 INFO [stderr]   --> src/interpreter/mod.rs:58:7
Dec 05 01:54:50.479 INFO [stderr]    |
Dec 05 01:54:50.479 INFO [stderr] 58 |         let mut serv = match self.get_server(&tserver) {
Dec 05 01:54:50.479 INFO [stderr]    |             ----^^^^
Dec 05 01:54:50.479 INFO [stderr]    |             |
Dec 05 01:54:50.479 INFO [stderr]    |             help: remove this `mut`
Dec 05 01:54:50.479 INFO [stderr]    |
Dec 05 01:54:50.479 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 01:54:50.479 INFO [stderr] 
Dec 05 01:54:50.479 INFO [stderr] warning: variable does not need to be mutable
Dec 05 01:54:50.479 INFO [stderr]   --> src/interpreter/mod.rs:63:7
Dec 05 01:54:50.479 INFO [stderr]    |
Dec 05 01:54:50.479 INFO [stderr] 63 |         let mut user = match serv.get_user_mut(&tuser) {
Dec 05 01:54:50.479 INFO [stderr]    |             ----^^^^
Dec 05 01:54:50.479 INFO [stderr]    |             |
Dec 05 01:54:50.479 INFO [stderr]    |             help: remove this `mut`
Dec 05 01:54:50.479 INFO [stderr] 
Dec 05 01:54:50.596 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.29s
Dec 05 01:54:50.599 INFO [stderr] su: No module specific data is present
Dec 05 01:54:51.521 INFO running `"docker" "inspect" "98099366af0bc5dc1c1b4ebff201869f04d40bb95c64eb1f2775a51f24412c7f"`
Dec 05 01:54:51.793 INFO running `"docker" "rm" "-f" "98099366af0bc5dc1c1b4ebff201869f04d40bb95c64eb1f2775a51f24412c7f"`
Dec 05 01:54:52.057 INFO [stdout] 98099366af0bc5dc1c1b4ebff201869f04d40bb95c64eb1f2775a51f24412c7f