Dec 11 14:11:32.762 INFO checking mardiros/janeiro against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 14:11:32.762 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 11 14:11:33.152 INFO [stdout] d1f168694503f3e1bf27ec56649df098a8d279d544a3d912a6f655759eda5fea
Dec 11 14:11:33.154 INFO running `"docker" "start" "-a" "d1f168694503f3e1bf27ec56649df098a8d279d544a3d912a6f655759eda5fea"`
Dec 11 14:11:34.475 INFO [stderr] usermod: no changes
Dec 11 14:11:34.650 INFO [stderr]     Checking net2 v0.2.26
Dec 11 14:11:34.664 INFO [stderr]     Checking nix v0.7.0
Dec 11 14:11:34.664 INFO [stderr]     Checking env_logger v0.3.5
Dec 11 14:11:39.332 INFO [stderr]     Checking mio v0.6.1
Dec 11 14:11:40.743 INFO [stderr]     Checking janeiro v0.0.1 (/source)
Dec 11 14:11:41.572 INFO [stderr] warning: variable does not need to be mutable
Dec 11 14:11:41.572 INFO [stderr]    --> src/rio.rs:353:17
Dec 11 14:11:41.572 INFO [stderr]     |
Dec 11 14:11:41.572 INFO [stderr] 353 |             let mut client = &mut self.connections[token].client_mut();
Dec 11 14:11:41.572 INFO [stderr]     |                 ----^^^^^^
Dec 11 14:11:41.572 INFO [stderr]     |                 |
Dec 11 14:11:41.572 INFO [stderr]     |                 help: remove this `mut`
Dec 11 14:11:41.572 INFO [stderr]     |
Dec 11 14:11:41.572 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 11 14:11:41.572 INFO [stderr] 
Dec 11 14:11:42.556 INFO [stderr] warning: variable does not need to be mutable
Dec 11 14:11:42.557 INFO [stderr]    --> src/rio.rs:353:17
Dec 11 14:11:42.557 INFO [stderr]     |
Dec 11 14:11:42.557 INFO [stderr] 353 |             let mut client = &mut self.connections[token].client_mut();
Dec 11 14:11:42.557 INFO [stderr]     |                 ----^^^^^^
Dec 11 14:11:42.557 INFO [stderr]     |                 |
Dec 11 14:11:42.557 INFO [stderr]     |                 help: remove this `mut`
Dec 11 14:11:42.560 INFO [stderr]     |
Dec 11 14:11:42.560 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 11 14:11:42.560 INFO [stderr] 
Dec 11 14:11:43.540 INFO [stderr] warning: unused import: `std::str`
Dec 11 14:11:43.540 INFO [stderr]  --> tests/test_echo_server.rs:7:5
Dec 11 14:11:43.540 INFO [stderr]   |
Dec 11 14:11:43.540 INFO [stderr] 7 | use std::str;
Dec 11 14:11:43.540 INFO [stderr]   |     ^^^^^^^^
Dec 11 14:11:43.540 INFO [stderr]   |
Dec 11 14:11:43.540 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 14:11:43.540 INFO [stderr] 
Dec 11 14:11:43.993 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.49s
Dec 11 14:11:44.001 INFO [stderr] su: No module specific data is present
Dec 11 14:11:45.100 INFO running `"docker" "inspect" "d1f168694503f3e1bf27ec56649df098a8d279d544a3d912a6f655759eda5fea"`
Dec 11 14:11:45.406 INFO running `"docker" "rm" "-f" "d1f168694503f3e1bf27ec56649df098a8d279d544a3d912a6f655759eda5fea"`
Dec 11 14:11:45.717 INFO [stdout] d1f168694503f3e1bf27ec56649df098a8d279d544a3d912a6f655759eda5fea