Dec 18 16:14:48.726 INFO checking gears-0.1.6 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 16:14:48.726 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/gears/0.1.6:/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 18 16:14:48.920 INFO [stdout] c8ddcf6e12502c5b26d300e4f964b75aca249e4905e46698af80b92caeebe62f
Dec 18 16:14:48.926 INFO running `"docker" "start" "-a" "c8ddcf6e12502c5b26d300e4f964b75aca249e4905e46698af80b92caeebe62f"`
Dec 18 16:14:49.980 INFO [stderr]     Checking ratel v0.7.0
Dec 18 16:14:49.984 INFO [stderr]    Compiling gears v0.1.6 (/opt/crater/workdir)
Dec 18 16:14:53.002 INFO [stderr] warning: unused import: `std::fmt`
Dec 18 16:14:53.002 INFO [stderr]  --> src/structure/domain.rs:4:5
Dec 18 16:14:53.002 INFO [stderr]   |
Dec 18 16:14:53.002 INFO [stderr] 4 | use std::fmt;
Dec 18 16:14:53.002 INFO [stderr]   |     ^^^^^^^^
Dec 18 16:14:53.002 INFO [stderr]   |
Dec 18 16:14:53.002 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 16:14:53.002 INFO [stderr] 
Dec 18 16:14:53.028 INFO [stderr] warning: unused import: `std::fmt`
Dec 18 16:14:53.028 INFO [stderr]  --> src/structure/domain.rs:4:5
Dec 18 16:14:53.028 INFO [stderr]   |
Dec 18 16:14:53.028 INFO [stderr] 4 | use std::fmt;
Dec 18 16:14:53.029 INFO [stderr]   |     ^^^^^^^^
Dec 18 16:14:53.029 INFO [stderr]   |
Dec 18 16:14:53.029 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 16:14:53.029 INFO [stderr] 
Dec 18 16:14:55.852 INFO [stderr] warning: function is never used: `pad_translation_doc`
Dec 18 16:14:55.852 INFO [stderr]   --> src/structure/model.rs:34:1
Dec 18 16:14:55.852 INFO [stderr]    |
Dec 18 16:14:55.852 INFO [stderr] 34 | / fn pad_translation_doc(
Dec 18 16:14:55.852 INFO [stderr] 35 | |     t: &mut TranslationDocument,
Dec 18 16:14:55.852 INFO [stderr] 36 | |     strings_in_model: &HashMap<String, &I18NString>,
Dec 18 16:14:55.852 INFO [stderr] 37 | | ) -> () {
Dec 18 16:14:55.852 INFO [stderr] ...  |
Dec 18 16:14:55.852 INFO [stderr] 47 | |     }
Dec 18 16:14:55.852 INFO [stderr] 48 | | }
Dec 18 16:14:55.852 INFO [stderr]    | |_^
Dec 18 16:14:55.852 INFO [stderr]    |
Dec 18 16:14:55.852 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 16:14:55.852 INFO [stderr] 
Dec 18 16:14:55.904 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 16:14:55.904 INFO [stderr]    --> src/util/fs.rs:298:5
Dec 18 16:14:55.904 INFO [stderr]     |
Dec 18 16:14:55.904 INFO [stderr] 298 |     model.add_locale(&default_locale);
Dec 18 16:14:55.904 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 16:14:55.904 INFO [stderr]     |
Dec 18 16:14:55.904 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 16:14:55.904 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 16:14:55.904 INFO [stderr] 
Dec 18 16:14:56.288 INFO [stderr] warning: function is never used: `pad_translation_doc`
Dec 18 16:14:56.288 INFO [stderr]   --> src/structure/model.rs:34:1
Dec 18 16:14:56.288 INFO [stderr]    |
Dec 18 16:14:56.288 INFO [stderr] 34 | / fn pad_translation_doc(
Dec 18 16:14:56.288 INFO [stderr] 35 | |     t: &mut TranslationDocument,
Dec 18 16:14:56.288 INFO [stderr] 36 | |     strings_in_model: &HashMap<String, &I18NString>,
Dec 18 16:14:56.288 INFO [stderr] 37 | | ) -> () {
Dec 18 16:14:56.288 INFO [stderr] ...  |
Dec 18 16:14:56.288 INFO [stderr] 47 | |     }
Dec 18 16:14:56.288 INFO [stderr] 48 | | }
Dec 18 16:14:56.288 INFO [stderr]    | |_^
Dec 18 16:14:56.288 INFO [stderr]    |
Dec 18 16:14:56.288 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 16:14:56.288 INFO [stderr] 
Dec 18 16:14:56.340 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 16:14:56.340 INFO [stderr]    --> src/util/fs.rs:298:5
Dec 18 16:14:56.340 INFO [stderr]     |
Dec 18 16:14:56.340 INFO [stderr] 298 |     model.add_locale(&default_locale);
Dec 18 16:14:56.340 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 16:14:56.340 INFO [stderr]     |
Dec 18 16:14:56.340 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 16:14:56.340 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 16:14:56.340 INFO [stderr] 
Dec 18 16:15:02.164 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 16:15:02.164 INFO [stderr]   --> tests/xflow_run_001.rs:37:13
Dec 18 16:15:02.164 INFO [stderr]    |
Dec 18 16:15:02.164 INFO [stderr] 37 |             xfrunner.run();
Dec 18 16:15:02.164 INFO [stderr]    |             ^^^^^^^^^^^^^^^
Dec 18 16:15:02.164 INFO [stderr]    |
Dec 18 16:15:02.164 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 16:15:02.164 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 16:15:02.164 INFO [stderr] 
Dec 18 16:15:02.164 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 16:15:02.164 INFO [stderr]   --> tests/xflow_run_001.rs:72:17
Dec 18 16:15:02.164 INFO [stderr]    |
Dec 18 16:15:02.164 INFO [stderr] 72 |                 xfrunner.step();
Dec 18 16:15:02.164 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^
Dec 18 16:15:02.164 INFO [stderr]    |
Dec 18 16:15:02.164 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 16:15:02.164 INFO [stderr] 
Dec 18 16:15:02.168 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 16:15:02.168 INFO [stderr]    --> tests/xflow_run_001.rs:116:13
Dec 18 16:15:02.168 INFO [stderr]     |
Dec 18 16:15:02.168 INFO [stderr] 116 |             xfrunner.run();
Dec 18 16:15:02.168 INFO [stderr]     |             ^^^^^^^^^^^^^^^
Dec 18 16:15:02.168 INFO [stderr]     |
Dec 18 16:15:02.168 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 16:15:02.168 INFO [stderr] 
Dec 18 16:15:02.408 INFO [stderr] warning: unused import: `gears::*`
Dec 18 16:15:02.408 INFO [stderr]  --> tests/flox_test.rs:5:5
Dec 18 16:15:02.408 INFO [stderr]   |
Dec 18 16:15:02.408 INFO [stderr] 5 | use gears::*;
Dec 18 16:15:02.408 INFO [stderr]   |     ^^^^^^^^
Dec 18 16:15:02.408 INFO [stderr]   |
Dec 18 16:15:02.408 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 16:15:02.408 INFO [stderr] 
Dec 18 16:15:03.955 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.09s
Dec 18 16:15:04.931 INFO running `"docker" "inspect" "c8ddcf6e12502c5b26d300e4f964b75aca249e4905e46698af80b92caeebe62f"`
Dec 18 16:15:05.282 INFO running `"docker" "rm" "-f" "c8ddcf6e12502c5b26d300e4f964b75aca249e4905e46698af80b92caeebe62f"`
Dec 18 16:15:05.640 INFO [stdout] c8ddcf6e12502c5b26d300e4f964b75aca249e4905e46698af80b92caeebe62f