Sep 03 22:32:57.557 INFO checking waterrower-0.1.0 against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893
Sep 03 22:32:57.557 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets
Sep 03 22:32:57.558 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-2/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 03 22:32:57.721 INFO blam! 81c6bc67e0dfcf0be7cd5c1918b55e1f84920c3236cbf27c57543091ad7b03d7
Sep 03 22:32:57.723 INFO running `"docker" "start" "-a" "81c6bc67e0dfcf0be7cd5c1918b55e1f84920c3236cbf27c57543091ad7b03d7"`
Sep 03 22:32:58.263 INFO kablam!     Checking ioctl-rs v0.1.6
Sep 03 22:32:58.536 INFO kablam!     Checking serial v0.3.4
Sep 03 22:32:59.243 INFO kablam!     Checking waterrower v0.1.0 (file:///source)
Sep 03 22:32:59.546 INFO kablam! warning: unused import: `std::str`
Sep 03 22:32:59.546 INFO kablam!   --> src/main.rs:11:5
Sep 03 22:32:59.546 INFO kablam!    |
Sep 03 22:32:59.546 INFO kablam! 11 | use std::str;
Sep 03 22:32:59.546 INFO kablam!    |     ^^^^^^^^
Sep 03 22:32:59.546 INFO kablam!    |
Sep 03 22:32:59.546 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 03 22:32:59.546 INFO kablam! 
Sep 03 22:32:59.684 INFO kablam! warning: unused import: `std::str`
Sep 03 22:32:59.684 INFO kablam!   --> src/main.rs:11:5
Sep 03 22:32:59.684 INFO kablam!    |
Sep 03 22:32:59.684 INFO kablam! 11 | use std::str;
Sep 03 22:32:59.685 INFO kablam!    |     ^^^^^^^^
Sep 03 22:32:59.685 INFO kablam!    |
Sep 03 22:32:59.685 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 03 22:32:59.685 INFO kablam! 
Sep 03 22:32:59.727 INFO kablam! warning: unused variable: `serialtx`
Sep 03 22:32:59.727 INFO kablam!   --> src/main.rs:33:10
Sep 03 22:32:59.727 INFO kablam!    |
Sep 03 22:32:59.727 INFO kablam! 33 |     let (serialtx, serialrx) = mpsc::channel();
Sep 03 22:32:59.727 INFO kablam!    |          ^^^^^^^^ help: consider using `_serialtx` instead
Sep 03 22:32:59.727 INFO kablam!    |
Sep 03 22:32:59.727 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 03 22:32:59.728 INFO kablam! 
Sep 03 22:32:59.759 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 03 22:32:59.760 INFO kablam!   --> src/main.rs:27:14
Sep 03 22:32:59.760 INFO kablam!    |
Sep 03 22:32:59.760 INFO kablam! 27 |     unsafe { signal::sigaction(signal::SIGINT, &sig_action); }
Sep 03 22:32:59.760 INFO kablam!    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 03 22:32:59.760 INFO kablam!    |
Sep 03 22:32:59.760 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 03 22:32:59.760 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 03 22:32:59.760 INFO kablam! 
Sep 03 22:32:59.760 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 03 22:32:59.760 INFO kablam!   --> src/main.rs:28:14
Sep 03 22:32:59.760 INFO kablam!    |
Sep 03 22:32:59.760 INFO kablam! 28 |     unsafe { signal::sigaction(signal::SIGTERM, &sig_action); }
Sep 03 22:32:59.760 INFO kablam!    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 03 22:32:59.760 INFO kablam!    |
Sep 03 22:32:59.760 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 03 22:32:59.760 INFO kablam! 
Sep 03 22:32:59.800 INFO kablam! warning: unused variable: `serialtx`
Sep 03 22:32:59.800 INFO kablam!   --> src/main.rs:33:10
Sep 03 22:32:59.800 INFO kablam!    |
Sep 03 22:32:59.800 INFO kablam! 33 |     let (serialtx, serialrx) = mpsc::channel();
Sep 03 22:32:59.800 INFO kablam!    |          ^^^^^^^^ help: consider using `_serialtx` instead
Sep 03 22:32:59.800 INFO kablam!    |
Sep 03 22:32:59.800 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 03 22:32:59.800 INFO kablam! 
Sep 03 22:32:59.819 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 03 22:32:59.819 INFO kablam!   --> src/main.rs:27:14
Sep 03 22:32:59.819 INFO kablam!    |
Sep 03 22:32:59.819 INFO kablam! 27 |     unsafe { signal::sigaction(signal::SIGINT, &sig_action); }
Sep 03 22:32:59.819 INFO kablam!    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 03 22:32:59.819 INFO kablam!    |
Sep 03 22:32:59.819 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 03 22:32:59.819 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 03 22:32:59.819 INFO kablam! 
Sep 03 22:32:59.819 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 03 22:32:59.820 INFO kablam!   --> src/main.rs:28:14
Sep 03 22:32:59.820 INFO kablam!    |
Sep 03 22:32:59.820 INFO kablam! 28 |     unsafe { signal::sigaction(signal::SIGTERM, &sig_action); }
Sep 03 22:32:59.820 INFO kablam!    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 03 22:32:59.820 INFO kablam!    |
Sep 03 22:32:59.820 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 03 22:32:59.820 INFO kablam! 
Sep 03 22:32:59.837 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.60s
Sep 03 22:32:59.840 INFO kablam! su: No module specific data is present
Sep 03 22:33:00.159 INFO running `"docker" "rm" "-f" "81c6bc67e0dfcf0be7cd5c1918b55e1f84920c3236cbf27c57543091ad7b03d7"`
Sep 03 22:33:00.277 INFO blam! 81c6bc67e0dfcf0be7cd5c1918b55e1f84920c3236cbf27c57543091ad7b03d7