Oct 12 17:54:13.886 INFO checking mardiros/janeiro against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 17:54:13.888 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-0/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 12 17:54:14.314 INFO blam! 59ca42add23ede125b9d40d3dea40624c757cbd335ed44d742d25f8ded732498
Oct 12 17:54:14.315 INFO running `"docker" "start" "-a" "59ca42add23ede125b9d40d3dea40624c757cbd335ed44d742d25f8ded732498"`
Oct 12 17:54:16.059 INFO kablam! usermod: no changes
Oct 12 17:54:16.212 INFO kablam!     Checking janeiro v0.0.1 (/source)
Oct 12 17:54:17.459 INFO kablam! warning: variable does not need to be mutable
Oct 12 17:54:17.459 INFO kablam!    --> src/rio.rs:353:17
Oct 12 17:54:17.460 INFO kablam!     |
Oct 12 17:54:17.460 INFO kablam! 353 |             let mut client = &mut self.connections[token].client_mut();
Oct 12 17:54:17.460 INFO kablam!     |                 ----^^^^^^
Oct 12 17:54:17.461 INFO kablam!     |                 |
Oct 12 17:54:17.461 INFO kablam!     |                 help: remove this `mut`
Oct 12 17:54:17.461 INFO kablam!     |
Oct 12 17:54:17.461 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 12 17:54:17.462 INFO kablam! 
Oct 12 17:54:17.592 INFO kablam! warning: variable does not need to be mutable
Oct 12 17:54:17.592 INFO kablam!    --> src/rio.rs:353:17
Oct 12 17:54:17.593 INFO kablam!     |
Oct 12 17:54:17.593 INFO kablam! 353 |             let mut client = &mut self.connections[token].client_mut();
Oct 12 17:54:17.593 INFO kablam!     |                 ----^^^^^^
Oct 12 17:54:17.594 INFO kablam!     |                 |
Oct 12 17:54:17.594 INFO kablam!     |                 help: remove this `mut`
Oct 12 17:54:17.594 INFO kablam!     |
Oct 12 17:54:17.594 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 12 17:54:17.595 INFO kablam! 
Oct 12 17:54:19.462 INFO kablam! warning: unused import: `std::str`
Oct 12 17:54:19.462 INFO kablam!  --> tests/test_echo_server.rs:7:5
Oct 12 17:54:19.462 INFO kablam!   |
Oct 12 17:54:19.462 INFO kablam! 7 | use std::str;
Oct 12 17:54:19.462 INFO kablam!   |     ^^^^^^^^
Oct 12 17:54:19.462 INFO kablam!   |
Oct 12 17:54:19.462 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 17:54:19.462 INFO kablam! 
Oct 12 17:54:20.084 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.99s
Oct 12 17:54:20.086 INFO kablam! su: No module specific data is present
Oct 12 17:54:21.378 INFO running `"docker" "rm" "-f" "59ca42add23ede125b9d40d3dea40624c757cbd335ed44d742d25f8ded732498"`
Oct 12 17:54:21.828 INFO blam! 59ca42add23ede125b9d40d3dea40624c757cbd335ed44d742d25f8ded732498