Dec 05 16:16:05.273 INFO checking bibtex-0.0.1 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 16:16:05.273 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 05 16:16:05.459 INFO [stdout] e5aaae868b7531779423036dc8457e06f00ca2bab45a3c59d61fc4383227072c
Dec 05 16:16:05.460 INFO running `"docker" "start" "-a" "e5aaae868b7531779423036dc8457e06f00ca2bab45a3c59d61fc4383227072c"`
Dec 05 16:16:05.931 INFO [stderr] usermod: no changes
Dec 05 16:16:05.953 INFO [stderr]     Checking bibtex v0.0.1 (/source)
Dec 05 16:16:06.585 INFO [stderr] warning: method is never used: `cite_key`
Dec 05 16:16:06.585 INFO [stderr]   --> src/entry.rs:17:5
Dec 05 16:16:06.585 INFO [stderr]    |
Dec 05 16:16:06.585 INFO [stderr] 17 |     fn cite_key(&self) -> &str {
Dec 05 16:16:06.585 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:16:06.585 INFO [stderr]    |
Dec 05 16:16:06.585 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 16:16:06.585 INFO [stderr] 
Dec 05 16:16:06.585 INFO [stderr] warning: method is never used: `entry_type`
Dec 05 16:16:06.585 INFO [stderr]   --> src/entry.rs:20:5
Dec 05 16:16:06.585 INFO [stderr]    |
Dec 05 16:16:06.585 INFO [stderr] 20 |     fn entry_type(&self) -> &str {
Dec 05 16:16:06.585 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:16:06.585 INFO [stderr] 
Dec 05 16:16:06.585 INFO [stderr] warning: method is never used: `field`
Dec 05 16:16:06.585 INFO [stderr]   --> src/entry.rs:23:5
Dec 05 16:16:06.585 INFO [stderr]    |
Dec 05 16:16:06.585 INFO [stderr] 23 |     fn field(&self, field: &str) -> &str {
Dec 05 16:16:06.585 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:16:06.585 INFO [stderr] 
Dec 05 16:16:06.679 INFO [stderr] warning: method is never used: `cite_key`
Dec 05 16:16:06.679 INFO [stderr]   --> src/entry.rs:17:5
Dec 05 16:16:06.679 INFO [stderr]    |
Dec 05 16:16:06.679 INFO [stderr] 17 |     fn cite_key(&self) -> &str {
Dec 05 16:16:06.679 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:16:06.679 INFO [stderr]    |
Dec 05 16:16:06.679 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 16:16:06.679 INFO [stderr] 
Dec 05 16:16:06.680 INFO [stderr] warning: method is never used: `entry_type`
Dec 05 16:16:06.680 INFO [stderr]   --> src/entry.rs:20:5
Dec 05 16:16:06.680 INFO [stderr]    |
Dec 05 16:16:06.680 INFO [stderr] 20 |     fn entry_type(&self) -> &str {
Dec 05 16:16:06.680 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:16:06.680 INFO [stderr] 
Dec 05 16:16:06.681 INFO [stderr] warning: method is never used: `field`
Dec 05 16:16:06.681 INFO [stderr]   --> src/entry.rs:23:5
Dec 05 16:16:06.681 INFO [stderr]    |
Dec 05 16:16:06.681 INFO [stderr] 23 |     fn field(&self, field: &str) -> &str {
Dec 05 16:16:06.681 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:16:06.681 INFO [stderr] 
Dec 05 16:16:06.707 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
Dec 05 16:16:06.710 INFO [stderr] su: No module specific data is present
Dec 05 16:16:07.032 INFO running `"docker" "inspect" "e5aaae868b7531779423036dc8457e06f00ca2bab45a3c59d61fc4383227072c"`
Dec 05 16:16:07.168 INFO running `"docker" "rm" "-f" "e5aaae868b7531779423036dc8457e06f00ca2bab45a3c59d61fc4383227072c"`
Dec 05 16:16:07.321 INFO [stdout] e5aaae868b7531779423036dc8457e06f00ca2bab45a3c59d61fc4383227072c