Nov 28 22:32:37.613 INFO checking linux_l6470-0.1.0 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 22:32:37.613 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-6/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 28 22:32:37.769 INFO [stdout] 875f69c4947188edc76f91e2d0b8e844a5ec0697f6f432e68bac34583e2086f7
Nov 28 22:32:37.774 INFO running `"docker" "start" "-a" "875f69c4947188edc76f91e2d0b8e844a5ec0697f6f432e68bac34583e2086f7"`
Nov 28 22:32:38.276 INFO [stderr] usermod: no changes
Nov 28 22:32:38.391 INFO [stderr]     Checking linux_l6470 v0.1.0 (/source)
Nov 28 22:32:39.700 INFO [stderr] warning: unused variable: `tick_ns`
Nov 28 22:32:39.700 INFO [stderr]   --> src/lib.rs:71:13
Nov 28 22:32:39.700 INFO [stderr]    |
Nov 28 22:32:39.700 INFO [stderr] 71 |         let tick_ns = 250;
Nov 28 22:32:39.700 INFO [stderr]    |             ^^^^^^^ help: consider using `_tick_ns` instead
Nov 28 22:32:39.700 INFO [stderr]    |
Nov 28 22:32:39.700 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 22:32:39.700 INFO [stderr] 
Nov 28 22:32:39.760 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 22:32:39.760 INFO [stderr]    --> src/lib.rs:178:9
Nov 28 22:32:39.760 INFO [stderr]     |
Nov 28 22:32:39.760 INFO [stderr] 178 |         self.transfer(&buf[0..self.daisy_chain as usize]);
Nov 28 22:32:39.760 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 22:32:39.760 INFO [stderr]     |
Nov 28 22:32:39.760 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 28 22:32:39.760 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 22:32:39.760 INFO [stderr] 
Nov 28 22:32:39.987 INFO [stderr] warning: unused variable: `tick_ns`
Nov 28 22:32:39.987 INFO [stderr]   --> src/lib.rs:71:13
Nov 28 22:32:39.987 INFO [stderr]    |
Nov 28 22:32:39.987 INFO [stderr] 71 |         let tick_ns = 250;
Nov 28 22:32:39.987 INFO [stderr]    |             ^^^^^^^ help: consider using `_tick_ns` instead
Nov 28 22:32:39.987 INFO [stderr]    |
Nov 28 22:32:39.987 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 22:32:39.987 INFO [stderr] 
Nov 28 22:32:40.042 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 22:32:40.042 INFO [stderr]    --> src/lib.rs:178:9
Nov 28 22:32:40.042 INFO [stderr]     |
Nov 28 22:32:40.042 INFO [stderr] 178 |         self.transfer(&buf[0..self.daisy_chain as usize]);
Nov 28 22:32:40.042 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 22:32:40.042 INFO [stderr]     |
Nov 28 22:32:40.042 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 28 22:32:40.042 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 22:32:40.042 INFO [stderr] 
Nov 28 22:32:40.059 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.75s
Nov 28 22:32:40.062 INFO [stderr] su: No module specific data is present
Nov 28 22:32:40.527 INFO running `"docker" "inspect" "875f69c4947188edc76f91e2d0b8e844a5ec0697f6f432e68bac34583e2086f7"`
Nov 28 22:32:40.654 INFO running `"docker" "rm" "-f" "875f69c4947188edc76f91e2d0b8e844a5ec0697f6f432e68bac34583e2086f7"`
Nov 28 22:32:40.812 INFO [stdout] 875f69c4947188edc76f91e2d0b8e844a5ec0697f6f432e68bac34583e2086f7