Oct 13 06:25:34.320 INFO checking waterrower-0.1.0 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 06:25:34.321 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 13 06:25:34.745 INFO blam! 4a439deeb18f61172424b7d8879ae7100078fcd1300dd7539a5bc62bfde52c15
Oct 13 06:25:34.760 INFO running `"docker" "start" "-a" "4a439deeb18f61172424b7d8879ae7100078fcd1300dd7539a5bc62bfde52c15"`
Oct 13 06:25:36.004 INFO kablam! usermod: no changes
Oct 13 06:25:36.081 INFO kablam!     Checking bufstream v0.1.4
Oct 13 06:25:36.085 INFO kablam!     Checking ioctl-rs v0.1.6
Oct 13 06:25:36.100 INFO kablam!     Checking nix v0.7.0
Oct 13 06:25:37.188 INFO kablam!     Checking serial v0.3.4
Oct 13 06:25:40.704 INFO kablam!     Checking waterrower v0.1.0 (/source)
Oct 13 06:25:41.852 INFO kablam! warning: unused import: `std::str`
Oct 13 06:25:41.852 INFO kablam!   --> src/main.rs:11:5
Oct 13 06:25:41.852 INFO kablam!    |
Oct 13 06:25:41.852 INFO kablam! 11 | use std::str;
Oct 13 06:25:41.852 INFO kablam!    |     ^^^^^^^^
Oct 13 06:25:41.852 INFO kablam!    |
Oct 13 06:25:41.852 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 13 06:25:41.852 INFO kablam! 
Oct 13 06:25:41.920 INFO kablam! warning: unused variable: `serialtx`
Oct 13 06:25:41.920 INFO kablam!   --> src/main.rs:33:10
Oct 13 06:25:41.920 INFO kablam!    |
Oct 13 06:25:41.920 INFO kablam! 33 |     let (serialtx, serialrx) = mpsc::channel();
Oct 13 06:25:41.920 INFO kablam!    |          ^^^^^^^^ help: consider using `_serialtx` instead
Oct 13 06:25:41.920 INFO kablam!    |
Oct 13 06:25:41.920 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 13 06:25:41.920 INFO kablam! 
Oct 13 06:25:41.996 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 06:25:41.996 INFO kablam!   --> src/main.rs:27:14
Oct 13 06:25:41.996 INFO kablam!    |
Oct 13 06:25:41.996 INFO kablam! 27 |     unsafe { signal::sigaction(signal::SIGINT, &sig_action); }
Oct 13 06:25:41.996 INFO kablam!    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 06:25:41.996 INFO kablam!    |
Oct 13 06:25:41.996 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 13 06:25:41.996 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 06:25:41.996 INFO kablam! 
Oct 13 06:25:41.996 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 06:25:41.996 INFO kablam!   --> src/main.rs:28:14
Oct 13 06:25:41.996 INFO kablam!    |
Oct 13 06:25:41.996 INFO kablam! 28 |     unsafe { signal::sigaction(signal::SIGTERM, &sig_action); }
Oct 13 06:25:41.996 INFO kablam!    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 06:25:41.996 INFO kablam!    |
Oct 13 06:25:41.996 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 06:25:41.996 INFO kablam! 
Oct 13 06:25:42.068 INFO kablam! warning: unused import: `std::str`
Oct 13 06:25:42.068 INFO kablam!   --> src/main.rs:11:5
Oct 13 06:25:42.068 INFO kablam!    |
Oct 13 06:25:42.068 INFO kablam! 11 | use std::str;
Oct 13 06:25:42.068 INFO kablam!    |     ^^^^^^^^
Oct 13 06:25:42.068 INFO kablam!    |
Oct 13 06:25:42.068 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 13 06:25:42.068 INFO kablam! 
Oct 13 06:25:42.130 INFO kablam! warning: unused variable: `serialtx`
Oct 13 06:25:42.130 INFO kablam!   --> src/main.rs:33:10
Oct 13 06:25:42.130 INFO kablam!    |
Oct 13 06:25:42.130 INFO kablam! 33 |     let (serialtx, serialrx) = mpsc::channel();
Oct 13 06:25:42.130 INFO kablam!    |          ^^^^^^^^ help: consider using `_serialtx` instead
Oct 13 06:25:42.130 INFO kablam!    |
Oct 13 06:25:42.130 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 13 06:25:42.130 INFO kablam! 
Oct 13 06:25:42.156 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 06:25:42.156 INFO kablam!   --> src/main.rs:27:14
Oct 13 06:25:42.156 INFO kablam!    |
Oct 13 06:25:42.156 INFO kablam! 27 |     unsafe { signal::sigaction(signal::SIGINT, &sig_action); }
Oct 13 06:25:42.156 INFO kablam!    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 06:25:42.156 INFO kablam!    |
Oct 13 06:25:42.156 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 13 06:25:42.156 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 06:25:42.156 INFO kablam! 
Oct 13 06:25:42.156 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 06:25:42.156 INFO kablam!   --> src/main.rs:28:14
Oct 13 06:25:42.156 INFO kablam!    |
Oct 13 06:25:42.156 INFO kablam! 28 |     unsafe { signal::sigaction(signal::SIGTERM, &sig_action); }
Oct 13 06:25:42.156 INFO kablam!    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 06:25:42.156 INFO kablam!    |
Oct 13 06:25:42.156 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 06:25:42.156 INFO kablam! 
Oct 13 06:25:42.178 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 6.14s
Oct 13 06:25:42.196 INFO kablam! su: No module specific data is present
Oct 13 06:25:43.438 INFO running `"docker" "rm" "-f" "4a439deeb18f61172424b7d8879ae7100078fcd1300dd7539a5bc62bfde52c15"`
Oct 13 06:25:43.824 INFO blam! 4a439deeb18f61172424b7d8879ae7100078fcd1300dd7539a5bc62bfde52c15