Dec 11 14:50:17.379 INFO checking lesguillemets/pdfdr against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 14:50:17.380 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 11 14:50:17.706 INFO [stdout] 2d06a370ccad968d87982eaad671d5fa2f1c7f90eb0d99988703b919d66c56db
Dec 11 14:50:17.708 INFO running `"docker" "start" "-a" "2d06a370ccad968d87982eaad671d5fa2f1c7f90eb0d99988703b919d66c56db"`
Dec 11 14:50:19.581 INFO [stderr] usermod: no changes
Dec 11 14:50:19.664 INFO [stderr]     Checking dayfinder v0.1.0 (/source)
Dec 11 14:50:20.156 INFO [stderr] warning: unused variable: `prefix`
Dec 11 14:50:20.156 INFO [stderr]   --> src/main.rs:11:9
Dec 11 14:50:20.156 INFO [stderr]    |
Dec 11 14:50:20.156 INFO [stderr] 11 |     let prefix = args().nth(3).unwrap_or("".to_string());
Dec 11 14:50:20.156 INFO [stderr]    |         ^^^^^^ help: consider using `_prefix` instead
Dec 11 14:50:20.156 INFO [stderr]    |
Dec 11 14:50:20.156 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 14:50:20.156 INFO [stderr] 
Dec 11 14:50:20.168 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:50:20.168 INFO [stderr]   --> src/main.rs:25:17
Dec 11 14:50:20.168 INFO [stderr]    |
Dec 11 14:50:20.168 INFO [stderr] 25 |                 bwriter.write_fmt(format_args!("{},{},{}", get_base_name(&file), &file, d));
Dec 11 14:50:20.168 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:50:20.168 INFO [stderr]    |
Dec 11 14:50:20.168 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 14:50:20.168 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:50:20.168 INFO [stderr] 
Dec 11 14:50:20.350 INFO [stderr] warning: unused variable: `prefix`
Dec 11 14:50:20.350 INFO [stderr]   --> src/main.rs:11:9
Dec 11 14:50:20.350 INFO [stderr]    |
Dec 11 14:50:20.350 INFO [stderr] 11 |     let prefix = args().nth(3).unwrap_or("".to_string());
Dec 11 14:50:20.350 INFO [stderr]    |         ^^^^^^ help: consider using `_prefix` instead
Dec 11 14:50:20.350 INFO [stderr]    |
Dec 11 14:50:20.350 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 14:50:20.350 INFO [stderr] 
Dec 11 14:50:20.363 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:50:20.363 INFO [stderr]   --> src/main.rs:25:17
Dec 11 14:50:20.363 INFO [stderr]    |
Dec 11 14:50:20.363 INFO [stderr] 25 |                 bwriter.write_fmt(format_args!("{},{},{}", get_base_name(&file), &file, d));
Dec 11 14:50:20.363 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:50:20.363 INFO [stderr]    |
Dec 11 14:50:20.363 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 14:50:20.363 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:50:20.363 INFO [stderr] 
Dec 11 14:50:20.408 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
Dec 11 14:50:20.408 INFO [stderr] su: No module specific data is present
Dec 11 14:50:21.340 INFO running `"docker" "inspect" "2d06a370ccad968d87982eaad671d5fa2f1c7f90eb0d99988703b919d66c56db"`
Dec 11 14:50:21.624 INFO running `"docker" "rm" "-f" "2d06a370ccad968d87982eaad671d5fa2f1c7f90eb0d99988703b919d66c56db"`
Dec 11 14:50:21.888 INFO [stdout] 2d06a370ccad968d87982eaad671d5fa2f1c7f90eb0d99988703b919d66c56db