Nov 30 13:09:46.598 INFO checking waterrower-0.1.0 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 13:09:46.598 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-5/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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"`
Nov 30 13:09:46.912 INFO [stdout] e25f8f41f5b942320312628bcc137bba33be30232a950170cb6bb556917e8baa
Nov 30 13:09:46.920 INFO running `"docker" "start" "-a" "e25f8f41f5b942320312628bcc137bba33be30232a950170cb6bb556917e8baa"`
Nov 30 13:09:47.470 INFO [stderr] usermod: no changes
Nov 30 13:09:47.532 INFO [stderr]     Checking termios v0.2.2
Nov 30 13:09:47.532 INFO [stderr]     Checking ioctl-rs v0.1.6
Nov 30 13:09:47.532 INFO [stderr]     Checking nix v0.7.0
Nov 30 13:09:48.068 INFO [stderr]     Checking serial v0.3.4
Nov 30 13:09:51.354 INFO [stderr]     Checking waterrower v0.1.0 (/source)
Nov 30 13:09:52.545 INFO [stderr] warning: unused import: `std::str`
Nov 30 13:09:52.546 INFO [stderr]   --> src/main.rs:11:5
Nov 30 13:09:52.546 INFO [stderr]    |
Nov 30 13:09:52.546 INFO [stderr] 11 | use std::str;
Nov 30 13:09:52.546 INFO [stderr]    |     ^^^^^^^^
Nov 30 13:09:52.546 INFO [stderr]    |
Nov 30 13:09:52.546 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 30 13:09:52.546 INFO [stderr] 
Nov 30 13:09:52.600 INFO [stderr] warning: unused variable: `serialtx`
Nov 30 13:09:52.600 INFO [stderr]   --> src/main.rs:33:10
Nov 30 13:09:52.600 INFO [stderr]    |
Nov 30 13:09:52.600 INFO [stderr] 33 |     let (serialtx, serialrx) = mpsc::channel();
Nov 30 13:09:52.600 INFO [stderr]    |          ^^^^^^^^ help: consider using `_serialtx` instead
Nov 30 13:09:52.600 INFO [stderr]    |
Nov 30 13:09:52.600 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 13:09:52.600 INFO [stderr] 
Nov 30 13:09:52.631 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 13:09:52.631 INFO [stderr]   --> src/main.rs:27:14
Nov 30 13:09:52.631 INFO [stderr]    |
Nov 30 13:09:52.631 INFO [stderr] 27 |     unsafe { signal::sigaction(signal::SIGINT, &sig_action); }
Nov 30 13:09:52.631 INFO [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 13:09:52.631 INFO [stderr]    |
Nov 30 13:09:52.631 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 13:09:52.631 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 13:09:52.631 INFO [stderr] 
Nov 30 13:09:52.631 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 13:09:52.631 INFO [stderr]   --> src/main.rs:28:14
Nov 30 13:09:52.631 INFO [stderr]    |
Nov 30 13:09:52.631 INFO [stderr] 28 |     unsafe { signal::sigaction(signal::SIGTERM, &sig_action); }
Nov 30 13:09:52.631 INFO [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 13:09:52.632 INFO [stderr]    |
Nov 30 13:09:52.632 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 13:09:52.632 INFO [stderr] 
Nov 30 13:09:52.811 INFO [stderr] warning: unused import: `std::str`
Nov 30 13:09:52.811 INFO [stderr]   --> src/main.rs:11:5
Nov 30 13:09:52.812 INFO [stderr]    |
Nov 30 13:09:52.812 INFO [stderr] 11 | use std::str;
Nov 30 13:09:52.812 INFO [stderr]    |     ^^^^^^^^
Nov 30 13:09:52.812 INFO [stderr]    |
Nov 30 13:09:52.812 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 30 13:09:52.812 INFO [stderr] 
Nov 30 13:09:52.936 INFO [stderr] warning: unused variable: `serialtx`
Nov 30 13:09:52.936 INFO [stderr]   --> src/main.rs:33:10
Nov 30 13:09:52.936 INFO [stderr]    |
Nov 30 13:09:52.937 INFO [stderr] 33 |     let (serialtx, serialrx) = mpsc::channel();
Nov 30 13:09:52.937 INFO [stderr]    |          ^^^^^^^^ help: consider using `_serialtx` instead
Nov 30 13:09:52.937 INFO [stderr]    |
Nov 30 13:09:52.937 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 13:09:52.938 INFO [stderr] 
Nov 30 13:09:53.016 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 13:09:53.017 INFO [stderr]   --> src/main.rs:27:14
Nov 30 13:09:53.017 INFO [stderr]    |
Nov 30 13:09:53.017 INFO [stderr] 27 |     unsafe { signal::sigaction(signal::SIGINT, &sig_action); }
Nov 30 13:09:53.017 INFO [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 13:09:53.018 INFO [stderr]    |
Nov 30 13:09:53.018 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 13:09:53.018 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 13:09:53.018 INFO [stderr] 
Nov 30 13:09:53.018 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 13:09:53.019 INFO [stderr]   --> src/main.rs:28:14
Nov 30 13:09:53.019 INFO [stderr]    |
Nov 30 13:09:53.019 INFO [stderr] 28 |     unsafe { signal::sigaction(signal::SIGTERM, &sig_action); }
Nov 30 13:09:53.019 INFO [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 13:09:53.020 INFO [stderr]    |
Nov 30 13:09:53.020 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 13:09:53.020 INFO [stderr] 
Nov 30 13:09:53.065 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.57s
Nov 30 13:09:53.068 INFO [stderr] su: No module specific data is present
Nov 30 13:09:54.244 INFO running `"docker" "inspect" "e25f8f41f5b942320312628bcc137bba33be30232a950170cb6bb556917e8baa"`
Nov 30 13:09:54.514 INFO running `"docker" "rm" "-f" "e25f8f41f5b942320312628bcc137bba33be30232a950170cb6bb556917e8baa"`
Nov 30 13:09:54.840 INFO [stdout] e25f8f41f5b942320312628bcc137bba33be30232a950170cb6bb556917e8baa