Nov 30 08:41:04.071 INFO checking SamYaple/waterrower-rs against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 08:41:04.071 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-4/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 08:41:04.564 INFO [stdout] 9d2452dee9364a55471de1e7a6aa7ca430b8bc3877f91e1d5d7692d4de9590da
Nov 30 08:41:04.566 INFO running `"docker" "start" "-a" "9d2452dee9364a55471de1e7a6aa7ca430b8bc3877f91e1d5d7692d4de9590da"`
Nov 30 08:41:06.487 INFO [stderr] usermod: no changes
Nov 30 08:41:06.604 INFO [stderr]     Checking ioctl-rs v0.1.5
Nov 30 08:41:06.604 INFO [stderr]     Checking termios v0.2.2
Nov 30 08:41:06.604 INFO [stderr]     Checking nix v0.7.0
Nov 30 08:41:07.960 INFO [stderr]     Checking serial v0.3.4
Nov 30 08:41:11.102 INFO [stderr]     Checking waterrower v0.1.0 (/source)
Nov 30 08:41:12.019 INFO [stderr] warning: unused import: `std::str`
Nov 30 08:41:12.019 INFO [stderr]   --> src/main.rs:11:5
Nov 30 08:41:12.019 INFO [stderr]    |
Nov 30 08:41:12.019 INFO [stderr] 11 | use std::str;
Nov 30 08:41:12.019 INFO [stderr]    |     ^^^^^^^^
Nov 30 08:41:12.019 INFO [stderr]    |
Nov 30 08:41:12.019 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 30 08:41:12.019 INFO [stderr] 
Nov 30 08:41:12.136 INFO [stderr] warning: unused variable: `serialtx`
Nov 30 08:41:12.136 INFO [stderr]   --> src/main.rs:33:10
Nov 30 08:41:12.136 INFO [stderr]    |
Nov 30 08:41:12.136 INFO [stderr] 33 |     let (serialtx, serialrx) = mpsc::channel();
Nov 30 08:41:12.136 INFO [stderr]    |          ^^^^^^^^ help: consider using `_serialtx` instead
Nov 30 08:41:12.136 INFO [stderr]    |
Nov 30 08:41:12.136 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 08:41:12.136 INFO [stderr] 
Nov 30 08:41:12.172 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 08:41:12.172 INFO [stderr]   --> src/main.rs:27:14
Nov 30 08:41:12.172 INFO [stderr]    |
Nov 30 08:41:12.172 INFO [stderr] 27 |     unsafe { signal::sigaction(signal::SIGINT, &sig_action); }
Nov 30 08:41:12.172 INFO [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 08:41:12.172 INFO [stderr]    |
Nov 30 08:41:12.172 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 08:41:12.172 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 08:41:12.172 INFO [stderr] 
Nov 30 08:41:12.172 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 08:41:12.172 INFO [stderr]   --> src/main.rs:28:14
Nov 30 08:41:12.172 INFO [stderr]    |
Nov 30 08:41:12.172 INFO [stderr] 28 |     unsafe { signal::sigaction(signal::SIGTERM, &sig_action); }
Nov 30 08:41:12.172 INFO [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 08:41:12.172 INFO [stderr]    |
Nov 30 08:41:12.172 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 08:41:12.172 INFO [stderr] 
Nov 30 08:41:12.348 INFO [stderr] warning: unused import: `std::str`
Nov 30 08:41:12.348 INFO [stderr]   --> src/main.rs:11:5
Nov 30 08:41:12.348 INFO [stderr]    |
Nov 30 08:41:12.348 INFO [stderr] 11 | use std::str;
Nov 30 08:41:12.348 INFO [stderr]    |     ^^^^^^^^
Nov 30 08:41:12.348 INFO [stderr]    |
Nov 30 08:41:12.348 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 30 08:41:12.348 INFO [stderr] 
Nov 30 08:41:12.412 INFO [stderr] warning: unused variable: `serialtx`
Nov 30 08:41:12.412 INFO [stderr]   --> src/main.rs:33:10
Nov 30 08:41:12.412 INFO [stderr]    |
Nov 30 08:41:12.412 INFO [stderr] 33 |     let (serialtx, serialrx) = mpsc::channel();
Nov 30 08:41:12.412 INFO [stderr]    |          ^^^^^^^^ help: consider using `_serialtx` instead
Nov 30 08:41:12.412 INFO [stderr]    |
Nov 30 08:41:12.412 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 08:41:12.412 INFO [stderr] 
Nov 30 08:41:12.439 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 08:41:12.439 INFO [stderr]   --> src/main.rs:27:14
Nov 30 08:41:12.439 INFO [stderr]    |
Nov 30 08:41:12.439 INFO [stderr] 27 |     unsafe { signal::sigaction(signal::SIGINT, &sig_action); }
Nov 30 08:41:12.439 INFO [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 08:41:12.439 INFO [stderr]    |
Nov 30 08:41:12.439 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 08:41:12.439 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 08:41:12.439 INFO [stderr] 
Nov 30 08:41:12.439 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 08:41:12.439 INFO [stderr]   --> src/main.rs:28:14
Nov 30 08:41:12.439 INFO [stderr]    |
Nov 30 08:41:12.439 INFO [stderr] 28 |     unsafe { signal::sigaction(signal::SIGTERM, &sig_action); }
Nov 30 08:41:12.439 INFO [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 08:41:12.439 INFO [stderr]    |
Nov 30 08:41:12.439 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 08:41:12.439 INFO [stderr] 
Nov 30 08:41:12.463 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.96s
Nov 30 08:41:12.468 INFO [stderr] su: No module specific data is present
Nov 30 08:41:13.060 INFO running `"docker" "inspect" "9d2452dee9364a55471de1e7a6aa7ca430b8bc3877f91e1d5d7692d4de9590da"`
Nov 30 08:41:13.384 INFO running `"docker" "rm" "-f" "9d2452dee9364a55471de1e7a6aa7ca430b8bc3877f91e1d5d7692d4de9590da"`
Nov 30 08:41:13.636 INFO [stdout] 9d2452dee9364a55471de1e7a6aa7ca430b8bc3877f91e1d5d7692d4de9590da