Sep 01 17:05:20.899 INFO checking SamYaple/waterrower-rs against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53851
Sep 01 17:05:20.899 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 17:05:20.900 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53851/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-2/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 17:05:21.146 INFO blam! 4aef776c9f8586c0d725d127958f90552bfc9d433ced0b74278f265a6cc4963e
Sep 01 17:05:21.148 INFO running `"docker" "start" "-a" "4aef776c9f8586c0d725d127958f90552bfc9d433ced0b74278f265a6cc4963e"`
Sep 01 17:05:22.158 INFO kablam!     Checking libc v0.2.16
Sep 01 17:05:22.158 INFO kablam!     Checking bufstream v0.1.2
Sep 01 17:05:24.119 INFO kablam!     Checking ioctl-rs v0.1.5
Sep 01 17:05:24.119 INFO kablam!     Checking termios v0.2.2
Sep 01 17:05:24.119 INFO kablam!     Checking nix v0.7.0
Sep 01 17:05:25.099 INFO kablam!     Checking serial v0.3.4
Sep 01 17:05:31.951 INFO kablam!     Checking waterrower v0.1.0 (file:///source)
Sep 01 17:05:32.403 INFO kablam! warning: unused import: `std::str`
Sep 01 17:05:32.403 INFO kablam!   --> src/main.rs:11:5
Sep 01 17:05:32.403 INFO kablam!    |
Sep 01 17:05:32.403 INFO kablam! 11 | use std::str;
Sep 01 17:05:32.403 INFO kablam!    |     ^^^^^^^^
Sep 01 17:05:32.403 INFO kablam!    |
Sep 01 17:05:32.403 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 01 17:05:32.403 INFO kablam! 
Sep 01 17:05:32.405 INFO kablam! warning: unused import: `std::str`
Sep 01 17:05:32.405 INFO kablam!   --> src/main.rs:11:5
Sep 01 17:05:32.405 INFO kablam!    |
Sep 01 17:05:32.405 INFO kablam! 11 | use std::str;
Sep 01 17:05:32.405 INFO kablam!    |     ^^^^^^^^
Sep 01 17:05:32.405 INFO kablam!    |
Sep 01 17:05:32.405 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 01 17:05:32.405 INFO kablam! 
Sep 01 17:05:32.575 INFO kablam! warning: unused variable: `serialtx`
Sep 01 17:05:32.575 INFO kablam!   --> src/main.rs:33:10
Sep 01 17:05:32.575 INFO kablam!    |
Sep 01 17:05:32.575 INFO kablam! 33 |     let (serialtx, serialrx) = mpsc::channel();
Sep 01 17:05:32.575 INFO kablam!    |          ^^^^^^^^ help: consider using `_serialtx` instead
Sep 01 17:05:32.575 INFO kablam!    |
Sep 01 17:05:32.576 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 01 17:05:32.576 INFO kablam! 
Sep 01 17:05:32.601 INFO kablam! warning: unused variable: `serialtx`
Sep 01 17:05:32.601 INFO kablam!   --> src/main.rs:33:10
Sep 01 17:05:32.601 INFO kablam!    |
Sep 01 17:05:32.601 INFO kablam! 33 |     let (serialtx, serialrx) = mpsc::channel();
Sep 01 17:05:32.601 INFO kablam!    |          ^^^^^^^^ help: consider using `_serialtx` instead
Sep 01 17:05:32.601 INFO kablam!    |
Sep 01 17:05:32.601 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 01 17:05:32.601 INFO kablam! 
Sep 01 17:05:32.611 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 01 17:05:32.611 INFO kablam!   --> src/main.rs:27:14
Sep 01 17:05:32.611 INFO kablam!    |
Sep 01 17:05:32.611 INFO kablam! 27 |     unsafe { signal::sigaction(signal::SIGINT, &sig_action); }
Sep 01 17:05:32.611 INFO kablam!    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 17:05:32.612 INFO kablam!    |
Sep 01 17:05:32.612 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 01 17:05:32.613 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 01 17:05:32.613 INFO kablam! 
Sep 01 17:05:32.614 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 01 17:05:32.614 INFO kablam!   --> src/main.rs:28:14
Sep 01 17:05:32.614 INFO kablam!    |
Sep 01 17:05:32.614 INFO kablam! 28 |     unsafe { signal::sigaction(signal::SIGTERM, &sig_action); }
Sep 01 17:05:32.614 INFO kablam!    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 17:05:32.614 INFO kablam!    |
Sep 01 17:05:32.615 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 01 17:05:32.615 INFO kablam! 
Sep 01 17:05:32.633 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 01 17:05:32.633 INFO kablam!   --> src/main.rs:27:14
Sep 01 17:05:32.633 INFO kablam!    |
Sep 01 17:05:32.633 INFO kablam! 27 |     unsafe { signal::sigaction(signal::SIGINT, &sig_action); }
Sep 01 17:05:32.633 INFO kablam!    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 17:05:32.633 INFO kablam!    |
Sep 01 17:05:32.633 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 01 17:05:32.633 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 01 17:05:32.633 INFO kablam! 
Sep 01 17:05:32.633 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 01 17:05:32.633 INFO kablam!   --> src/main.rs:28:14
Sep 01 17:05:32.634 INFO kablam!    |
Sep 01 17:05:32.634 INFO kablam! 28 |     unsafe { signal::sigaction(signal::SIGTERM, &sig_action); }
Sep 01 17:05:32.634 INFO kablam!    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 17:05:32.634 INFO kablam!    |
Sep 01 17:05:32.634 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 01 17:05:32.634 INFO kablam! 
Sep 01 17:05:32.668 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 10.59s
Sep 01 17:05:32.673 INFO kablam! su: No module specific data is present
Sep 01 17:05:33.268 INFO running `"docker" "rm" "-f" "4aef776c9f8586c0d725d127958f90552bfc9d433ced0b74278f265a6cc4963e"`
Sep 01 17:05:33.427 INFO blam! 4aef776c9f8586c0d725d127958f90552bfc9d433ced0b74278f265a6cc4963e