Dec 04 15:15:15.356 INFO checking lesguillemets/pdfdr against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 15:15:15.356 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 04 15:15:15.800 INFO [stdout] de78fc84043e7f9fece7cd62ba022280e03273a0ff0b460c155fab23cc947a3f
Dec 04 15:15:15.803 INFO running `"docker" "start" "-a" "de78fc84043e7f9fece7cd62ba022280e03273a0ff0b460c155fab23cc947a3f"`
Dec 04 15:15:18.139 INFO [stderr] usermod: no changes
Dec 04 15:15:18.207 INFO [stderr]     Checking dayfinder v0.1.0 (/source)
Dec 04 15:15:18.883 INFO [stderr] warning: unused variable: `prefix`
Dec 04 15:15:18.883 INFO [stderr]   --> src/main.rs:11:9
Dec 04 15:15:18.883 INFO [stderr]    |
Dec 04 15:15:18.883 INFO [stderr] 11 |     let prefix = args().nth(3).unwrap_or("".to_string());
Dec 04 15:15:18.883 INFO [stderr]    |         ^^^^^^ help: consider using `_prefix` instead
Dec 04 15:15:18.883 INFO [stderr]    |
Dec 04 15:15:18.883 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 15:15:18.883 INFO [stderr] 
Dec 04 15:15:18.887 INFO [stderr] warning: unused variable: `prefix`
Dec 04 15:15:18.887 INFO [stderr]   --> src/main.rs:11:9
Dec 04 15:15:18.887 INFO [stderr]    |
Dec 04 15:15:18.887 INFO [stderr] 11 |     let prefix = args().nth(3).unwrap_or("".to_string());
Dec 04 15:15:18.887 INFO [stderr]    |         ^^^^^^ help: consider using `_prefix` instead
Dec 04 15:15:18.887 INFO [stderr]    |
Dec 04 15:15:18.887 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 15:15:18.887 INFO [stderr] 
Dec 04 15:15:18.887 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 15:15:18.887 INFO [stderr]   --> src/main.rs:25:17
Dec 04 15:15:18.887 INFO [stderr]    |
Dec 04 15:15:18.887 INFO [stderr] 25 |                 bwriter.write_fmt(format_args!("{},{},{}", get_base_name(&file), &file, d));
Dec 04 15:15:18.887 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:15:18.887 INFO [stderr]    |
Dec 04 15:15:18.887 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 15:15:18.887 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 15:15:18.887 INFO [stderr] 
Dec 04 15:15:18.900 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 15:15:18.900 INFO [stderr]   --> src/main.rs:25:17
Dec 04 15:15:18.900 INFO [stderr]    |
Dec 04 15:15:18.900 INFO [stderr] 25 |                 bwriter.write_fmt(format_args!("{},{},{}", get_base_name(&file), &file, d));
Dec 04 15:15:18.900 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:15:18.900 INFO [stderr]    |
Dec 04 15:15:18.900 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 15:15:18.900 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 15:15:18.900 INFO [stderr] 
Dec 04 15:15:18.927 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
Dec 04 15:15:18.930 INFO [stderr] su: No module specific data is present
Dec 04 15:15:19.691 INFO running `"docker" "inspect" "de78fc84043e7f9fece7cd62ba022280e03273a0ff0b460c155fab23cc947a3f"`
Dec 04 15:15:19.943 INFO running `"docker" "rm" "-f" "de78fc84043e7f9fece7cd62ba022280e03273a0ff0b460c155fab23cc947a3f"`
Dec 04 15:15:20.210 INFO [stdout] de78fc84043e7f9fece7cd62ba022280e03273a0ff0b460c155fab23cc947a3f