Nov 28 01:12:45.281 INFO checking mardiros/janeiro against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 01:12:45.281 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-0/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 28 01:12:45.711 INFO [stdout] bdf1aa595d8b6acaab02f7168f8399219fc2de45607c352ab5ec08f2227b7e2d
Nov 28 01:12:45.713 INFO running `"docker" "start" "-a" "bdf1aa595d8b6acaab02f7168f8399219fc2de45607c352ab5ec08f2227b7e2d"`
Nov 28 01:12:47.603 INFO [stderr] usermod: no changes
Nov 28 01:12:47.796 INFO [stderr]     Checking net2 v0.2.26
Nov 28 01:12:47.796 INFO [stderr]     Checking aho-corasick v0.5.3
Nov 28 01:12:47.796 INFO [stderr]     Checking thread-id v2.0.0
Nov 28 01:12:47.796 INFO [stderr]     Checking nix v0.7.0
Nov 28 01:12:48.334 INFO [stderr]     Checking thread_local v0.2.7
Nov 28 01:12:49.504 INFO [stderr]     Checking regex v0.1.80
Nov 28 01:12:53.525 INFO [stderr]     Checking env_logger v0.3.5
Nov 28 01:12:54.140 INFO [stderr]     Checking mio v0.6.1
Nov 28 01:12:55.745 INFO [stderr]     Checking janeiro v0.0.1 (/source)
Nov 28 01:12:57.032 INFO [stderr] warning: variable does not need to be mutable
Nov 28 01:12:57.032 INFO [stderr]    --> src/rio.rs:353:17
Nov 28 01:12:57.032 INFO [stderr]     |
Nov 28 01:12:57.032 INFO [stderr] 353 |             let mut client = &mut self.connections[token].client_mut();
Nov 28 01:12:57.032 INFO [stderr]     |                 ----^^^^^^
Nov 28 01:12:57.032 INFO [stderr]     |                 |
Nov 28 01:12:57.032 INFO [stderr]     |                 help: remove this `mut`
Nov 28 01:12:57.032 INFO [stderr]     |
Nov 28 01:12:57.032 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 28 01:12:57.032 INFO [stderr] 
Nov 28 01:12:57.316 INFO [stderr] warning: variable does not need to be mutable
Nov 28 01:12:57.316 INFO [stderr]    --> src/rio.rs:353:17
Nov 28 01:12:57.316 INFO [stderr]     |
Nov 28 01:12:57.316 INFO [stderr] 353 |             let mut client = &mut self.connections[token].client_mut();
Nov 28 01:12:57.316 INFO [stderr]     |                 ----^^^^^^
Nov 28 01:12:57.316 INFO [stderr]     |                 |
Nov 28 01:12:57.316 INFO [stderr]     |                 help: remove this `mut`
Nov 28 01:12:57.316 INFO [stderr]     |
Nov 28 01:12:57.316 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 28 01:12:57.316 INFO [stderr] 
Nov 28 01:12:59.426 INFO [stderr] warning: unused import: `std::str`
Nov 28 01:12:59.426 INFO [stderr]  --> tests/test_echo_server.rs:7:5
Nov 28 01:12:59.426 INFO [stderr]   |
Nov 28 01:12:59.426 INFO [stderr] 7 | use std::str;
Nov 28 01:12:59.426 INFO [stderr]   |     ^^^^^^^^
Nov 28 01:12:59.426 INFO [stderr]   |
Nov 28 01:12:59.426 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 01:12:59.426 INFO [stderr] 
Nov 28 01:12:59.669 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.04s
Nov 28 01:12:59.675 INFO [stderr] su: No module specific data is present
Nov 28 01:13:01.132 INFO running `"docker" "inspect" "bdf1aa595d8b6acaab02f7168f8399219fc2de45607c352ab5ec08f2227b7e2d"`
Nov 28 01:13:01.533 INFO running `"docker" "rm" "-f" "bdf1aa595d8b6acaab02f7168f8399219fc2de45607c352ab5ec08f2227b7e2d"`
Nov 28 01:13:01.805 INFO [stdout] bdf1aa595d8b6acaab02f7168f8399219fc2de45607c352ab5ec08f2227b7e2d