Dec 18 11:45:58.193 INFO checking rust_hawktracer-0.3.1 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 11:45:58.193 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/rust_hawktracer/0.3.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 11:45:58.649 INFO [stdout] 03d30b2b16043d8e5646c36eed7aaab562238c209711af5852fa41b77a9224b8
Dec 18 11:45:58.654 INFO running `"docker" "start" "-a" "03d30b2b16043d8e5646c36eed7aaab562238c209711af5852fa41b77a9224b8"`
Dec 18 11:45:59.307 INFO [stderr]    Compiling rust_hawktracer v0.3.1 (/opt/crater/workdir)
Dec 18 11:45:59.462 INFO [stderr] warning: unused import: `Path`
Dec 18 11:45:59.463 INFO [stderr]  --> build.rs:6:26
Dec 18 11:45:59.463 INFO [stderr]   |
Dec 18 11:45:59.463 INFO [stderr] 6 | use std::path::{PathBuf, Path};
Dec 18 11:45:59.463 INFO [stderr]   |                          ^^^^
Dec 18 11:45:59.463 INFO [stderr]   |
Dec 18 11:45:59.463 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 11:45:59.463 INFO [stderr] 
Dec 18 11:46:05.564 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 11:46:05.564 INFO [stderr]   --> tests/file_listener_tests.rs:10:5
Dec 18 11:46:05.564 INFO [stderr]    |
Dec 18 11:46:05.564 INFO [stderr] 10 |     fs::remove_file(file_name);
Dec 18 11:46:05.564 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 11:46:05.564 INFO [stderr]    |
Dec 18 11:46:05.564 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 11:46:05.564 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 11:46:05.564 INFO [stderr] 
Dec 18 11:46:05.728 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 11:46:05.728 INFO [stderr]   --> tests/simple_test.rs:11:5
Dec 18 11:46:05.728 INFO [stderr]    |
Dec 18 11:46:05.728 INFO [stderr] 11 |     fs::remove_file(file_name);
Dec 18 11:46:05.728 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 11:46:05.728 INFO [stderr]    |
Dec 18 11:46:05.728 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 11:46:05.728 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 11:46:05.729 INFO [stderr] 
Dec 18 11:46:06.398 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.13s
Dec 18 11:46:06.722 INFO running `"docker" "inspect" "03d30b2b16043d8e5646c36eed7aaab562238c209711af5852fa41b77a9224b8"`
Dec 18 11:46:06.912 INFO running `"docker" "rm" "-f" "03d30b2b16043d8e5646c36eed7aaab562238c209711af5852fa41b77a9224b8"`
Dec 18 11:46:07.018 INFO [stdout] 03d30b2b16043d8e5646c36eed7aaab562238c209711af5852fa41b77a9224b8