Dec 17 20:10:00.483 INFO checking mardiros/janeiro against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 20:10:00.483 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/mardiros/janeiro:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 20:10:01.030 INFO [stdout] c9841814a9b3e222bb5f76727a499ce65ec0813fa9d22f08bb2b2d636ba73424
Dec 17 20:10:01.034 INFO running `"docker" "start" "-a" "c9841814a9b3e222bb5f76727a499ce65ec0813fa9d22f08bb2b2d636ba73424"`
Dec 17 20:10:03.000 INFO [stderr]     Checking net2 v0.2.26
Dec 17 20:10:03.000 INFO [stderr]    Compiling nix v0.7.0
Dec 17 20:10:07.578 INFO [stderr]     Checking mio v0.6.1
Dec 17 20:10:09.040 INFO [stderr]     Checking janeiro v0.0.1 (/opt/crater/workdir)
Dec 17 20:10:09.800 INFO [stderr] warning: variable does not need to be mutable
Dec 17 20:10:09.800 INFO [stderr]    --> src/rio.rs:353:17
Dec 17 20:10:09.800 INFO [stderr]     |
Dec 17 20:10:09.800 INFO [stderr] 353 |             let mut client = &mut self.connections[token].client_mut();
Dec 17 20:10:09.800 INFO [stderr]     |                 ----^^^^^^
Dec 17 20:10:09.800 INFO [stderr]     |                 |
Dec 17 20:10:09.800 INFO [stderr]     |                 help: remove this `mut`
Dec 17 20:10:09.800 INFO [stderr]     |
Dec 17 20:10:09.800 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 17 20:10:09.800 INFO [stderr] 
Dec 17 20:10:10.136 INFO [stderr] warning: variable does not need to be mutable
Dec 17 20:10:10.136 INFO [stderr]    --> src/rio.rs:353:17
Dec 17 20:10:10.136 INFO [stderr]     |
Dec 17 20:10:10.136 INFO [stderr] 353 |             let mut client = &mut self.connections[token].client_mut();
Dec 17 20:10:10.136 INFO [stderr]     |                 ----^^^^^^
Dec 17 20:10:10.136 INFO [stderr]     |                 |
Dec 17 20:10:10.136 INFO [stderr]     |                 help: remove this `mut`
Dec 17 20:10:10.152 INFO [stderr]     |
Dec 17 20:10:10.152 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 17 20:10:10.152 INFO [stderr] 
Dec 17 20:10:10.890 INFO [stderr] warning: unused import: `std::str`
Dec 17 20:10:10.890 INFO [stderr]  --> tests/test_echo_server.rs:7:5
Dec 17 20:10:10.890 INFO [stderr]   |
Dec 17 20:10:10.890 INFO [stderr] 7 | use std::str;
Dec 17 20:10:10.890 INFO [stderr]   |     ^^^^^^^^
Dec 17 20:10:10.908 INFO [stderr]   |
Dec 17 20:10:10.908 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 20:10:10.908 INFO [stderr] 
Dec 17 20:10:11.129 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.22s
Dec 17 20:10:11.965 INFO running `"docker" "inspect" "c9841814a9b3e222bb5f76727a499ce65ec0813fa9d22f08bb2b2d636ba73424"`
Dec 17 20:10:12.226 INFO running `"docker" "rm" "-f" "c9841814a9b3e222bb5f76727a499ce65ec0813fa9d22f08bb2b2d636ba73424"`
Dec 17 20:10:12.656 INFO [stdout] c9841814a9b3e222bb5f76727a499ce65ec0813fa9d22f08bb2b2d636ba73424