Nov 29 22:51:36.962 INFO checking mardiros/janeiro against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 29 22:51:36.962 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-3/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 29 22:51:37.478 INFO [stdout] 9d63b718a7fc7cb0888cb836306fa72d300aac9a44dace00e88abc6d1c03535b
Nov 29 22:51:37.480 INFO running `"docker" "start" "-a" "9d63b718a7fc7cb0888cb836306fa72d300aac9a44dace00e88abc6d1c03535b"`
Nov 29 22:51:38.900 INFO [stderr] usermod: no changes
Nov 29 22:51:39.043 INFO [stderr]     Checking net2 v0.2.26
Nov 29 22:51:39.052 INFO [stderr]     Checking nix v0.7.0
Nov 29 22:51:42.682 INFO [stderr]     Checking mio v0.6.1
Nov 29 22:51:44.133 INFO [stderr]     Checking janeiro v0.0.1 (/source)
Nov 29 22:51:45.510 INFO [stderr] warning: variable does not need to be mutable
Nov 29 22:51:45.510 INFO [stderr]    --> src/rio.rs:353:17
Nov 29 22:51:45.510 INFO [stderr]     |
Nov 29 22:51:45.516 INFO [stderr] 353 |             let mut client = &mut self.connections[token].client_mut();
Nov 29 22:51:45.517 INFO [stderr]     |                 ----^^^^^^
Nov 29 22:51:45.517 INFO [stderr]     |                 |
Nov 29 22:51:45.517 INFO [stderr]     |                 help: remove this `mut`
Nov 29 22:51:45.517 INFO [stderr]     |
Nov 29 22:51:45.518 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 29 22:51:45.518 INFO [stderr] 
Nov 29 22:51:46.152 INFO [stderr] warning: variable does not need to be mutable
Nov 29 22:51:46.153 INFO [stderr]    --> src/rio.rs:353:17
Nov 29 22:51:46.153 INFO [stderr]     |
Nov 29 22:51:46.153 INFO [stderr] 353 |             let mut client = &mut self.connections[token].client_mut();
Nov 29 22:51:46.153 INFO [stderr]     |                 ----^^^^^^
Nov 29 22:51:46.154 INFO [stderr]     |                 |
Nov 29 22:51:46.154 INFO [stderr]     |                 help: remove this `mut`
Nov 29 22:51:46.154 INFO [stderr]     |
Nov 29 22:51:46.154 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 29 22:51:46.154 INFO [stderr] 
Nov 29 22:51:48.264 INFO [stderr] warning: unused import: `std::str`
Nov 29 22:51:48.264 INFO [stderr]  --> tests/test_echo_server.rs:7:5
Nov 29 22:51:48.264 INFO [stderr]   |
Nov 29 22:51:48.264 INFO [stderr] 7 | use std::str;
Nov 29 22:51:48.264 INFO [stderr]   |     ^^^^^^^^
Nov 29 22:51:48.304 INFO [stderr]   |
Nov 29 22:51:48.304 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 22:51:48.304 INFO [stderr] 
Nov 29 22:51:48.580 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.65s
Nov 29 22:51:48.582 INFO [stderr] su: No module specific data is present
Nov 29 22:51:49.970 INFO running `"docker" "inspect" "9d63b718a7fc7cb0888cb836306fa72d300aac9a44dace00e88abc6d1c03535b"`
Nov 29 22:51:50.231 INFO running `"docker" "rm" "-f" "9d63b718a7fc7cb0888cb836306fa72d300aac9a44dace00e88abc6d1c03535b"`
Nov 29 22:51:50.576 INFO [stdout] 9d63b718a7fc7cb0888cb836306fa72d300aac9a44dace00e88abc6d1c03535b