Nov 29 02:44:00.237 INFO checking csv_challenge-0.1.0 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 29 02:44:00.237 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-5/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 29 02:44:00.380 INFO [stdout] 88c182afa50cbd7c94c856587ddd510304b8ee2d08dc04fa581f702272d15ead
Nov 29 02:44:00.382 INFO running `"docker" "start" "-a" "88c182afa50cbd7c94c856587ddd510304b8ee2d08dc04fa581f702272d15ead"`
Nov 29 02:44:00.736 INFO [stderr] usermod: no changes
Nov 29 02:44:00.807 INFO [stderr]     Checking csv_challenge v0.1.0 (/source)
Nov 29 02:44:02.660 INFO [stderr] warning: unused variable: `filename`
Nov 29 02:44:02.660 INFO [stderr]   --> src/core/read.rs:68:13
Nov 29 02:44:02.660 INFO [stderr]    |
Nov 29 02:44:02.660 INFO [stderr] 68 |         let filename = PathBuf::from("./input/challenge.csv");
Nov 29 02:44:02.661 INFO [stderr]    |             ^^^^^^^^ help: consider using `_filename` instead
Nov 29 02:44:02.676 INFO [stderr]    |
Nov 29 02:44:02.676 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 29 02:44:02.676 INFO [stderr] 
Nov 29 02:44:05.968 INFO [stderr] warning: unused import: `Opt`
Nov 29 02:44:05.968 INFO [stderr]  --> benches/file_op_bench.rs:6:5
Nov 29 02:44:05.968 INFO [stderr]   |
Nov 29 02:44:05.968 INFO [stderr] 6 |     Opt,
Nov 29 02:44:05.968 INFO [stderr]   |     ^^^
Nov 29 02:44:05.968 INFO [stderr]   |
Nov 29 02:44:05.968 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 02:44:05.968 INFO [stderr] 
Nov 29 02:44:06.033 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 02:44:06.033 INFO [stderr]   --> benches/file_op_bench.rs:19:5
Nov 29 02:44:06.033 INFO [stderr]    |
Nov 29 02:44:06.033 INFO [stderr] 19 |     load_csv(filename);
Nov 29 02:44:06.033 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Nov 29 02:44:06.033 INFO [stderr]    |
Nov 29 02:44:06.034 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 29 02:44:06.034 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 02:44:06.034 INFO [stderr] 
Nov 29 02:44:06.035 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 02:44:06.035 INFO [stderr]   --> benches/file_op_bench.rs:33:5
Nov 29 02:44:06.035 INFO [stderr]    |
Nov 29 02:44:06.035 INFO [stderr] 33 |     write_csv(&modified_data, "output/test.csv");
Nov 29 02:44:06.035 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 02:44:06.035 INFO [stderr]    |
Nov 29 02:44:06.035 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 02:44:06.035 INFO [stderr] 
Nov 29 02:44:06.088 INFO [stderr] warning: unused import: `Opt`
Nov 29 02:44:06.088 INFO [stderr]  --> tests/integration_test.rs:6:9
Nov 29 02:44:06.088 INFO [stderr]   |
Nov 29 02:44:06.088 INFO [stderr] 6 |         Opt,
Nov 29 02:44:06.088 INFO [stderr]   |         ^^^
Nov 29 02:44:06.088 INFO [stderr]   |
Nov 29 02:44:06.088 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 02:44:06.088 INFO [stderr] 
Nov 29 02:44:06.152 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.39s
Nov 29 02:44:06.162 INFO [stderr] su: No module specific data is present
Nov 29 02:44:06.532 INFO running `"docker" "inspect" "88c182afa50cbd7c94c856587ddd510304b8ee2d08dc04fa581f702272d15ead"`
Nov 29 02:44:06.786 INFO running `"docker" "rm" "-f" "88c182afa50cbd7c94c856587ddd510304b8ee2d08dc04fa581f702272d15ead"`
Nov 29 02:44:07.136 INFO [stdout] 88c182afa50cbd7c94c856587ddd510304b8ee2d08dc04fa581f702272d15ead