Sep 20 23:35:29.324 INFO checking SamYaple/waterrower-rs against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 20 23:35:29.324 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 20 23:35:29.324 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-1/master#f7f4c500b46603386e940f116b469c7adc043a6d:/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=1000" "-e" "CMD=cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 23:35:29.534 INFO blam! 077fcfda8f300bfe316bb87c756f013ba46b4910e7cacd06bed57879e2794fb1
Sep 20 23:35:29.536 INFO running `"docker" "start" "-a" "077fcfda8f300bfe316bb87c756f013ba46b4910e7cacd06bed57879e2794fb1"`
Sep 20 23:35:30.393 INFO kablam! usermod: no changes
Sep 20 23:35:30.478 INFO kablam!     Checking libc v0.2.16
Sep 20 23:35:30.486 INFO kablam!     Checking bufstream v0.1.2
Sep 20 23:35:31.406 INFO kablam!     Checking termios v0.2.2
Sep 20 23:35:31.407 INFO kablam!     Checking ioctl-rs v0.1.5
Sep 20 23:35:31.407 INFO kablam!     Checking nix v0.7.0
Sep 20 23:35:32.139 INFO kablam!     Checking serial v0.3.4
Sep 20 23:35:35.487 INFO kablam!     Checking waterrower v0.1.0 (/source)
Sep 20 23:35:35.778 INFO kablam! warning: unused import: `std::str`
Sep 20 23:35:35.778 INFO kablam!   --> src/main.rs:11:5
Sep 20 23:35:35.778 INFO kablam!    |
Sep 20 23:35:35.778 INFO kablam! 11 | use std::str;
Sep 20 23:35:35.779 INFO kablam!    |     ^^^^^^^^
Sep 20 23:35:35.779 INFO kablam!    |
Sep 20 23:35:35.779 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 20 23:35:35.779 INFO kablam! 
Sep 20 23:35:35.866 INFO kablam! warning: unused variable: `serialtx`
Sep 20 23:35:35.866 INFO kablam!   --> src/main.rs:33:10
Sep 20 23:35:35.866 INFO kablam!    |
Sep 20 23:35:35.866 INFO kablam! 33 |     let (serialtx, serialrx) = mpsc::channel();
Sep 20 23:35:35.866 INFO kablam!    |          ^^^^^^^^ help: consider using `_serialtx` instead
Sep 20 23:35:35.866 INFO kablam!    |
Sep 20 23:35:35.866 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 20 23:35:35.866 INFO kablam! 
Sep 20 23:35:35.882 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 20 23:35:35.882 INFO kablam!   --> src/main.rs:27:14
Sep 20 23:35:35.882 INFO kablam!    |
Sep 20 23:35:35.882 INFO kablam! 27 |     unsafe { signal::sigaction(signal::SIGINT, &sig_action); }
Sep 20 23:35:35.882 INFO kablam!    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 20 23:35:35.883 INFO kablam!    |
Sep 20 23:35:35.883 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 20 23:35:35.883 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 20 23:35:35.883 INFO kablam! 
Sep 20 23:35:35.883 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 20 23:35:35.883 INFO kablam!   --> src/main.rs:28:14
Sep 20 23:35:35.883 INFO kablam!    |
Sep 20 23:35:35.883 INFO kablam! 28 |     unsafe { signal::sigaction(signal::SIGTERM, &sig_action); }
Sep 20 23:35:35.883 INFO kablam!    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 20 23:35:35.883 INFO kablam!    |
Sep 20 23:35:35.883 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 20 23:35:35.883 INFO kablam! 
Sep 20 23:35:35.990 INFO kablam! warning: unused import: `std::str`
Sep 20 23:35:35.990 INFO kablam!   --> src/main.rs:11:5
Sep 20 23:35:35.990 INFO kablam!    |
Sep 20 23:35:35.990 INFO kablam! 11 | use std::str;
Sep 20 23:35:35.990 INFO kablam!    |     ^^^^^^^^
Sep 20 23:35:35.990 INFO kablam!    |
Sep 20 23:35:35.990 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 20 23:35:35.990 INFO kablam! 
Sep 20 23:35:36.072 INFO kablam! warning: unused variable: `serialtx`
Sep 20 23:35:36.072 INFO kablam!   --> src/main.rs:33:10
Sep 20 23:35:36.072 INFO kablam!    |
Sep 20 23:35:36.072 INFO kablam! 33 |     let (serialtx, serialrx) = mpsc::channel();
Sep 20 23:35:36.073 INFO kablam!    |          ^^^^^^^^ help: consider using `_serialtx` instead
Sep 20 23:35:36.073 INFO kablam!    |
Sep 20 23:35:36.073 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 20 23:35:36.073 INFO kablam! 
Sep 20 23:35:36.086 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 20 23:35:36.086 INFO kablam!   --> src/main.rs:27:14
Sep 20 23:35:36.087 INFO kablam!    |
Sep 20 23:35:36.087 INFO kablam! 27 |     unsafe { signal::sigaction(signal::SIGINT, &sig_action); }
Sep 20 23:35:36.087 INFO kablam!    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 20 23:35:36.087 INFO kablam!    |
Sep 20 23:35:36.087 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 20 23:35:36.087 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 20 23:35:36.088 INFO kablam! 
Sep 20 23:35:36.088 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 20 23:35:36.088 INFO kablam!   --> src/main.rs:28:14
Sep 20 23:35:36.088 INFO kablam!    |
Sep 20 23:35:36.088 INFO kablam! 28 |     unsafe { signal::sigaction(signal::SIGTERM, &sig_action); }
Sep 20 23:35:36.088 INFO kablam!    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 20 23:35:36.089 INFO kablam!    |
Sep 20 23:35:36.089 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 20 23:35:36.089 INFO kablam! 
Sep 20 23:35:36.130 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.70s
Sep 20 23:35:36.132 INFO kablam! su: No module specific data is present
Sep 20 23:35:37.000 INFO running `"docker" "rm" "-f" "077fcfda8f300bfe316bb87c756f013ba46b4910e7cacd06bed57879e2794fb1"`
Sep 20 23:35:37.124 INFO blam! 077fcfda8f300bfe316bb87c756f013ba46b4910e7cacd06bed57879e2794fb1