Dec 17 15:06:55.627 INFO checking soebosi/turtle_parser against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 15:06:55.627 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/soebosi/turtle_parser:/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 17 15:06:55.875 INFO [stdout] b9c4c8234ac8000032d7d072bcd64de554b8a759ff1212ef24be12809edb76f8
Dec 17 15:06:55.877 INFO running `"docker" "start" "-a" "b9c4c8234ac8000032d7d072bcd64de554b8a759ff1212ef24be12809edb76f8"`
Dec 17 15:06:56.641 INFO [stderr]    Compiling pest v1.0.0-rc.1
Dec 17 15:06:56.642 INFO [stderr]    Compiling syn v0.10.8
Dec 17 15:06:56.642 INFO [stderr]     Checking serde_json v1.0.9
Dec 17 15:06:59.908 INFO [stderr]    Compiling pest_derive v1.0.0-rc.1
Dec 17 15:07:04.860 INFO [stderr]     Checking turtle_parser v0.1.0 (/opt/crater/workdir)
Dec 17 15:07:05.164 INFO [stderr] warning: unused `#[macro_use]` import
Dec 17 15:07:05.164 INFO [stderr]  --> src/lib.rs:1:1
Dec 17 15:07:05.164 INFO [stderr]   |
Dec 17 15:07:05.164 INFO [stderr] 1 | #[macro_use]
Dec 17 15:07:05.164 INFO [stderr]   | ^^^^^^^^^^^^
Dec 17 15:07:05.164 INFO [stderr]   |
Dec 17 15:07:05.164 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 15:07:05.164 INFO [stderr] 
Dec 17 15:07:06.589 INFO [stderr] warning: unused `#[macro_use]` import
Dec 17 15:07:06.589 INFO [stderr]  --> src/main.rs:4:1
Dec 17 15:07:06.589 INFO [stderr]   |
Dec 17 15:07:06.589 INFO [stderr] 4 | #[macro_use]
Dec 17 15:07:06.589 INFO [stderr]   | ^^^^^^^^^^^^
Dec 17 15:07:06.589 INFO [stderr]   |
Dec 17 15:07:06.589 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 15:07:06.589 INFO [stderr] 
Dec 17 15:07:08.112 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 15:07:08.112 INFO [stderr]   --> src/main.rs:29:5
Dec 17 15:07:08.112 INFO [stderr]    |
Dec 17 15:07:08.112 INFO [stderr] 29 |     file.read_to_string(&mut contents);
Dec 17 15:07:08.112 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:07:08.112 INFO [stderr]    |
Dec 17 15:07:08.112 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 15:07:08.112 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 15:07:08.112 INFO [stderr] 
Dec 17 15:07:16.528 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 15:07:16.528 INFO [stderr]   --> src/main.rs:29:5
Dec 17 15:07:16.528 INFO [stderr]    |
Dec 17 15:07:16.528 INFO [stderr] 29 |     file.read_to_string(&mut contents);
Dec 17 15:07:16.528 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:07:16.528 INFO [stderr]    |
Dec 17 15:07:16.528 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 15:07:16.528 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 15:07:16.528 INFO [stderr] 
Dec 17 15:07:16.644 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.04s
Dec 17 15:07:17.903 INFO running `"docker" "inspect" "b9c4c8234ac8000032d7d072bcd64de554b8a759ff1212ef24be12809edb76f8"`
Dec 17 15:07:18.264 INFO running `"docker" "rm" "-f" "b9c4c8234ac8000032d7d072bcd64de554b8a759ff1212ef24be12809edb76f8"`
Dec 17 15:07:18.616 INFO [stdout] b9c4c8234ac8000032d7d072bcd64de554b8a759ff1212ef24be12809edb76f8