Dec 05 00:10:57.080 INFO checking SamYaple/waterrower-rs against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 00:10:57.080 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-3/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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"`
Dec 05 00:10:57.468 INFO [stdout] 1be5d07abec792c85298d633de61dddbfe57f3c5a67bd13b318fc37355d79531
Dec 05 00:10:57.476 INFO running `"docker" "start" "-a" "1be5d07abec792c85298d633de61dddbfe57f3c5a67bd13b318fc37355d79531"`
Dec 05 00:10:58.623 INFO [stderr] usermod: no changes
Dec 05 00:10:58.718 INFO [stderr]     Checking termios v0.2.2
Dec 05 00:10:58.726 INFO [stderr]     Checking ioctl-rs v0.1.5
Dec 05 00:10:58.743 INFO [stderr]     Checking nix v0.7.0
Dec 05 00:10:59.523 INFO [stderr]     Checking serial v0.3.4
Dec 05 00:11:02.921 INFO [stderr]     Checking waterrower v0.1.0 (/source)
Dec 05 00:11:03.687 INFO [stderr] warning: unused import: `std::str`
Dec 05 00:11:03.687 INFO [stderr]   --> src/main.rs:11:5
Dec 05 00:11:03.687 INFO [stderr]    |
Dec 05 00:11:03.687 INFO [stderr] 11 | use std::str;
Dec 05 00:11:03.687 INFO [stderr]    |     ^^^^^^^^
Dec 05 00:11:03.687 INFO [stderr]    |
Dec 05 00:11:03.687 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 05 00:11:03.687 INFO [stderr] 
Dec 05 00:11:03.723 INFO [stderr] warning: unused import: `std::str`
Dec 05 00:11:03.723 INFO [stderr]   --> src/main.rs:11:5
Dec 05 00:11:03.723 INFO [stderr]    |
Dec 05 00:11:03.723 INFO [stderr] 11 | use std::str;
Dec 05 00:11:03.723 INFO [stderr]    |     ^^^^^^^^
Dec 05 00:11:03.723 INFO [stderr]    |
Dec 05 00:11:03.723 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 05 00:11:03.723 INFO [stderr] 
Dec 05 00:11:03.771 INFO [stderr] warning: unused variable: `serialtx`
Dec 05 00:11:03.771 INFO [stderr]   --> src/main.rs:33:10
Dec 05 00:11:03.771 INFO [stderr]    |
Dec 05 00:11:03.771 INFO [stderr] 33 |     let (serialtx, serialrx) = mpsc::channel();
Dec 05 00:11:03.771 INFO [stderr]    |          ^^^^^^^^ help: consider using `_serialtx` instead
Dec 05 00:11:03.771 INFO [stderr]    |
Dec 05 00:11:03.771 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 00:11:03.771 INFO [stderr] 
Dec 05 00:11:03.792 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 00:11:03.793 INFO [stderr]   --> src/main.rs:27:14
Dec 05 00:11:03.793 INFO [stderr]    |
Dec 05 00:11:03.793 INFO [stderr] 27 |     unsafe { signal::sigaction(signal::SIGINT, &sig_action); }
Dec 05 00:11:03.793 INFO [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:11:03.793 INFO [stderr]    |
Dec 05 00:11:03.793 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 00:11:03.793 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 00:11:03.793 INFO [stderr] 
Dec 05 00:11:03.793 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 00:11:03.793 INFO [stderr]   --> src/main.rs:28:14
Dec 05 00:11:03.793 INFO [stderr]    |
Dec 05 00:11:03.793 INFO [stderr] 28 |     unsafe { signal::sigaction(signal::SIGTERM, &sig_action); }
Dec 05 00:11:03.793 INFO [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:11:03.793 INFO [stderr]    |
Dec 05 00:11:03.793 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 00:11:03.793 INFO [stderr] 
Dec 05 00:11:03.819 INFO [stderr] warning: unused variable: `serialtx`
Dec 05 00:11:03.819 INFO [stderr]   --> src/main.rs:33:10
Dec 05 00:11:03.819 INFO [stderr]    |
Dec 05 00:11:03.819 INFO [stderr] 33 |     let (serialtx, serialrx) = mpsc::channel();
Dec 05 00:11:03.819 INFO [stderr]    |          ^^^^^^^^ help: consider using `_serialtx` instead
Dec 05 00:11:03.819 INFO [stderr]    |
Dec 05 00:11:03.819 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 00:11:03.819 INFO [stderr] 
Dec 05 00:11:03.889 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 00:11:03.889 INFO [stderr]   --> src/main.rs:27:14
Dec 05 00:11:03.889 INFO [stderr]    |
Dec 05 00:11:03.889 INFO [stderr] 27 |     unsafe { signal::sigaction(signal::SIGINT, &sig_action); }
Dec 05 00:11:03.890 INFO [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:11:03.890 INFO [stderr]    |
Dec 05 00:11:03.890 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 00:11:03.890 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 00:11:03.890 INFO [stderr] 
Dec 05 00:11:03.890 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 00:11:03.890 INFO [stderr]   --> src/main.rs:28:14
Dec 05 00:11:03.890 INFO [stderr]    |
Dec 05 00:11:03.890 INFO [stderr] 28 |     unsafe { signal::sigaction(signal::SIGTERM, &sig_action); }
Dec 05 00:11:03.890 INFO [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:11:03.890 INFO [stderr]    |
Dec 05 00:11:03.890 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 00:11:03.890 INFO [stderr] 
Dec 05 00:11:03.919 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.26s
Dec 05 00:11:03.922 INFO [stderr] su: No module specific data is present
Dec 05 00:11:04.740 INFO running `"docker" "inspect" "1be5d07abec792c85298d633de61dddbfe57f3c5a67bd13b318fc37355d79531"`
Dec 05 00:11:04.855 INFO running `"docker" "rm" "-f" "1be5d07abec792c85298d633de61dddbfe57f3c5a67bd13b318fc37355d79531"`
Dec 05 00:11:05.082 INFO [stdout] 1be5d07abec792c85298d633de61dddbfe57f3c5a67bd13b318fc37355d79531