Sep 21 00:47:56.364 INFO checking waterrower-0.1.0 against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 21 00:47:56.364 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 21 00:47:56.364 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-7/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 21 00:47:56.552 INFO blam! 62bb41a4831048ba57630fba416513e144a699cc377e06285fa96d21b2c51ccd
Sep 21 00:47:56.554 INFO running `"docker" "start" "-a" "62bb41a4831048ba57630fba416513e144a699cc377e06285fa96d21b2c51ccd"`
Sep 21 00:47:57.437 INFO kablam! usermod: no changes
Sep 21 00:47:57.474 INFO kablam!     Checking termios v0.2.2
Sep 21 00:47:57.474 INFO kablam!     Checking ioctl-rs v0.1.6
Sep 21 00:47:57.474 INFO kablam!     Checking nix v0.7.0
Sep 21 00:47:57.869 INFO kablam!     Checking serial v0.3.4
Sep 21 00:48:00.344 INFO kablam!     Checking waterrower v0.1.0 (/source)
Sep 21 00:48:00.473 INFO kablam! warning: unused import: `std::str`
Sep 21 00:48:00.473 INFO kablam!   --> src/main.rs:11:5
Sep 21 00:48:00.473 INFO kablam!    |
Sep 21 00:48:00.473 INFO kablam! 11 | use std::str;
Sep 21 00:48:00.473 INFO kablam!    |     ^^^^^^^^
Sep 21 00:48:00.473 INFO kablam!    |
Sep 21 00:48:00.473 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 21 00:48:00.473 INFO kablam! 
Sep 21 00:48:00.530 INFO kablam! warning: unused variable: `serialtx`
Sep 21 00:48:00.530 INFO kablam!   --> src/main.rs:33:10
Sep 21 00:48:00.530 INFO kablam!    |
Sep 21 00:48:00.530 INFO kablam! 33 |     let (serialtx, serialrx) = mpsc::channel();
Sep 21 00:48:00.530 INFO kablam!    |          ^^^^^^^^ help: consider using `_serialtx` instead
Sep 21 00:48:00.530 INFO kablam!    |
Sep 21 00:48:00.530 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 21 00:48:00.530 INFO kablam! 
Sep 21 00:48:00.542 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 21 00:48:00.542 INFO kablam!   --> src/main.rs:27:14
Sep 21 00:48:00.542 INFO kablam!    |
Sep 21 00:48:00.542 INFO kablam! 27 |     unsafe { signal::sigaction(signal::SIGINT, &sig_action); }
Sep 21 00:48:00.542 INFO kablam!    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 00:48:00.542 INFO kablam!    |
Sep 21 00:48:00.542 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 21 00:48:00.542 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 21 00:48:00.542 INFO kablam! 
Sep 21 00:48:00.542 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 21 00:48:00.542 INFO kablam!   --> src/main.rs:28:14
Sep 21 00:48:00.542 INFO kablam!    |
Sep 21 00:48:00.542 INFO kablam! 28 |     unsafe { signal::sigaction(signal::SIGTERM, &sig_action); }
Sep 21 00:48:00.542 INFO kablam!    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 00:48:00.542 INFO kablam!    |
Sep 21 00:48:00.542 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 21 00:48:00.542 INFO kablam! 
Sep 21 00:48:00.548 INFO kablam! warning: unused import: `std::str`
Sep 21 00:48:00.548 INFO kablam!   --> src/main.rs:11:5
Sep 21 00:48:00.548 INFO kablam!    |
Sep 21 00:48:00.548 INFO kablam! 11 | use std::str;
Sep 21 00:48:00.548 INFO kablam!    |     ^^^^^^^^
Sep 21 00:48:00.548 INFO kablam!    |
Sep 21 00:48:00.548 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 21 00:48:00.548 INFO kablam! 
Sep 21 00:48:00.617 INFO kablam! warning: unused variable: `serialtx`
Sep 21 00:48:00.617 INFO kablam!   --> src/main.rs:33:10
Sep 21 00:48:00.617 INFO kablam!    |
Sep 21 00:48:00.617 INFO kablam! 33 |     let (serialtx, serialrx) = mpsc::channel();
Sep 21 00:48:00.617 INFO kablam!    |          ^^^^^^^^ help: consider using `_serialtx` instead
Sep 21 00:48:00.617 INFO kablam!    |
Sep 21 00:48:00.617 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 21 00:48:00.617 INFO kablam! 
Sep 21 00:48:00.624 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 21 00:48:00.625 INFO kablam!   --> src/main.rs:27:14
Sep 21 00:48:00.625 INFO kablam!    |
Sep 21 00:48:00.625 INFO kablam! 27 |     unsafe { signal::sigaction(signal::SIGINT, &sig_action); }
Sep 21 00:48:00.625 INFO kablam!    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 00:48:00.625 INFO kablam!    |
Sep 21 00:48:00.625 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 21 00:48:00.625 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 21 00:48:00.625 INFO kablam! 
Sep 21 00:48:00.625 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 21 00:48:00.625 INFO kablam!   --> src/main.rs:28:14
Sep 21 00:48:00.625 INFO kablam!    |
Sep 21 00:48:00.625 INFO kablam! 28 |     unsafe { signal::sigaction(signal::SIGTERM, &sig_action); }
Sep 21 00:48:00.625 INFO kablam!    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 00:48:00.625 INFO kablam!    |
Sep 21 00:48:00.625 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 21 00:48:00.625 INFO kablam! 
Sep 21 00:48:00.638 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.19s
Sep 21 00:48:00.641 INFO kablam! su: No module specific data is present
Sep 21 00:48:01.268 INFO running `"docker" "rm" "-f" "62bb41a4831048ba57630fba416513e144a699cc377e06285fa96d21b2c51ccd"`
Sep 21 00:48:01.335 INFO blam! 62bb41a4831048ba57630fba416513e144a699cc377e06285fa96d21b2c51ccd