Dec 04 14:38:28.372 INFO checking mardiros/janeiro against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 14:38:28.372 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 04 14:38:28.935 INFO [stdout] a7e23bbad5f8b3fbeaeb9c43c6560d2acc0f209fbb07e1af65234702f3591bff
Dec 04 14:38:28.937 INFO running `"docker" "start" "-a" "a7e23bbad5f8b3fbeaeb9c43c6560d2acc0f209fbb07e1af65234702f3591bff"`
Dec 04 14:38:30.471 INFO [stderr] usermod: no changes
Dec 04 14:38:30.603 INFO [stderr]     Checking janeiro v0.0.1 (/source)
Dec 04 14:38:31.602 INFO [stderr] warning: variable does not need to be mutable
Dec 04 14:38:31.602 INFO [stderr]    --> src/rio.rs:353:17
Dec 04 14:38:31.602 INFO [stderr]     |
Dec 04 14:38:31.602 INFO [stderr] 353 |             let mut client = &mut self.connections[token].client_mut();
Dec 04 14:38:31.602 INFO [stderr]     |                 ----^^^^^^
Dec 04 14:38:31.602 INFO [stderr]     |                 |
Dec 04 14:38:31.602 INFO [stderr]     |                 help: remove this `mut`
Dec 04 14:38:31.602 INFO [stderr]     |
Dec 04 14:38:31.602 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 04 14:38:31.602 INFO [stderr] 
Dec 04 14:38:31.700 INFO [stderr] warning: variable does not need to be mutable
Dec 04 14:38:31.700 INFO [stderr]    --> src/rio.rs:353:17
Dec 04 14:38:31.700 INFO [stderr]     |
Dec 04 14:38:31.700 INFO [stderr] 353 |             let mut client = &mut self.connections[token].client_mut();
Dec 04 14:38:31.700 INFO [stderr]     |                 ----^^^^^^
Dec 04 14:38:31.700 INFO [stderr]     |                 |
Dec 04 14:38:31.700 INFO [stderr]     |                 help: remove this `mut`
Dec 04 14:38:31.700 INFO [stderr]     |
Dec 04 14:38:31.700 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 04 14:38:31.700 INFO [stderr] 
Dec 04 14:38:33.663 INFO [stderr] warning: unused import: `std::str`
Dec 04 14:38:33.663 INFO [stderr]  --> tests/test_echo_server.rs:7:5
Dec 04 14:38:33.663 INFO [stderr]   |
Dec 04 14:38:33.663 INFO [stderr] 7 | use std::str;
Dec 04 14:38:33.663 INFO [stderr]   |     ^^^^^^^^
Dec 04 14:38:33.663 INFO [stderr]   |
Dec 04 14:38:33.663 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 14:38:33.663 INFO [stderr] 
Dec 04 14:38:33.924 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.43s
Dec 04 14:38:33.931 INFO [stderr] su: No module specific data is present
Dec 04 14:38:35.199 INFO running `"docker" "inspect" "a7e23bbad5f8b3fbeaeb9c43c6560d2acc0f209fbb07e1af65234702f3591bff"`
Dec 04 14:38:35.617 INFO running `"docker" "rm" "-f" "a7e23bbad5f8b3fbeaeb9c43c6560d2acc0f209fbb07e1af65234702f3591bff"`
Dec 04 14:38:35.895 INFO [stdout] a7e23bbad5f8b3fbeaeb9c43c6560d2acc0f209fbb07e1af65234702f3591bff