Nov 30 10:28:26.864 INFO checking Jellonator/Emailang against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 10:28:26.864 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-1/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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"`
Nov 30 10:28:27.300 INFO [stdout] 30fcb41df366c8e2348db8fe3593155ca273a23aab699f6c9fbe867b1c7185a1
Nov 30 10:28:27.302 INFO running `"docker" "start" "-a" "30fcb41df366c8e2348db8fe3593155ca273a23aab699f6c9fbe867b1c7185a1"`
Nov 30 10:28:29.520 INFO [stderr] usermod: no changes
Nov 30 10:28:29.668 INFO [stderr]     Checking emailang v1.0.0 (/source)
Nov 30 10:28:31.780 INFO [stderr] warning: variable does not need to be mutable
Nov 30 10:28:31.780 INFO [stderr]   --> src/interpreter/mod.rs:58:7
Nov 30 10:28:31.780 INFO [stderr]    |
Nov 30 10:28:31.780 INFO [stderr] 58 |         let mut serv = match self.get_server(&tserver) {
Nov 30 10:28:31.780 INFO [stderr]    |             ----^^^^
Nov 30 10:28:31.780 INFO [stderr]    |             |
Nov 30 10:28:31.780 INFO [stderr]    |             help: remove this `mut`
Nov 30 10:28:31.780 INFO [stderr]    |
Nov 30 10:28:31.780 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 10:28:31.780 INFO [stderr] 
Nov 30 10:28:31.780 INFO [stderr] warning: variable does not need to be mutable
Nov 30 10:28:31.780 INFO [stderr]   --> src/interpreter/mod.rs:63:7
Nov 30 10:28:31.780 INFO [stderr]    |
Nov 30 10:28:31.780 INFO [stderr] 63 |         let mut user = match serv.get_user_mut(&tuser) {
Nov 30 10:28:31.780 INFO [stderr]    |             ----^^^^
Nov 30 10:28:31.780 INFO [stderr]    |             |
Nov 30 10:28:31.780 INFO [stderr]    |             help: remove this `mut`
Nov 30 10:28:31.780 INFO [stderr] 
Nov 30 10:28:32.096 INFO [stderr] warning: variable does not need to be mutable
Nov 30 10:28:32.096 INFO [stderr]   --> src/interpreter/mod.rs:58:7
Nov 30 10:28:32.096 INFO [stderr]    |
Nov 30 10:28:32.096 INFO [stderr] 58 |         let mut serv = match self.get_server(&tserver) {
Nov 30 10:28:32.096 INFO [stderr]    |             ----^^^^
Nov 30 10:28:32.096 INFO [stderr]    |             |
Nov 30 10:28:32.096 INFO [stderr]    |             help: remove this `mut`
Nov 30 10:28:32.096 INFO [stderr]    |
Nov 30 10:28:32.096 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 10:28:32.096 INFO [stderr] 
Nov 30 10:28:32.096 INFO [stderr] warning: variable does not need to be mutable
Nov 30 10:28:32.096 INFO [stderr]   --> src/interpreter/mod.rs:63:7
Nov 30 10:28:32.096 INFO [stderr]    |
Nov 30 10:28:32.096 INFO [stderr] 63 |         let mut user = match serv.get_user_mut(&tuser) {
Nov 30 10:28:32.096 INFO [stderr]    |             ----^^^^
Nov 30 10:28:32.096 INFO [stderr]    |             |
Nov 30 10:28:32.100 INFO [stderr]    |             help: remove this `mut`
Nov 30 10:28:32.100 INFO [stderr] 
Nov 30 10:28:32.278 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.72s
Nov 30 10:28:32.281 INFO [stderr] su: No module specific data is present
Nov 30 10:28:33.308 INFO running `"docker" "inspect" "30fcb41df366c8e2348db8fe3593155ca273a23aab699f6c9fbe867b1c7185a1"`
Nov 30 10:28:33.600 INFO running `"docker" "rm" "-f" "30fcb41df366c8e2348db8fe3593155ca273a23aab699f6c9fbe867b1c7185a1"`
Nov 30 10:28:33.880 INFO [stdout] 30fcb41df366c8e2348db8fe3593155ca273a23aab699f6c9fbe867b1c7185a1