[INFO] fetching crate gears 0.1.6...
[INFO] extracting crate gears 0.1.6 into work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/gears/0.1.6
[INFO] extracting crate gears 0.1.6 into work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/reg/gears/0.1.6
[INFO] validating manifest of gears-0.1.6 on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of gears-0.1.6 on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing gears-0.1.6
[INFO] finished frobbing gears-0.1.6
[INFO] frobbed toml for gears-0.1.6 written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/gears/0.1.6/Cargo.toml
[INFO] started frobbing gears-0.1.6
[INFO] finished frobbing gears-0.1.6
[INFO] frobbed toml for gears-0.1.6 written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/reg/gears/0.1.6/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking gears-0.1.6 against master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 for pr-58899
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-5/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/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" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0c3f7f0078087294f3dc57104ec1f642f751e4a523a6e2e4cecef86f44c4c9e8
[INFO] running `"docker" "start" "-a" "0c3f7f0078087294f3dc57104ec1f642f751e4a523a6e2e4cecef86f44c4c9e8"`
[INFO] [stderr]     Checking ratel v0.7.0
[INFO] [stderr]    Compiling gears v0.1.6 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]  --> src/structure/domain.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::fmt;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]  --> src/structure/domain.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::fmt;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pad_translation_doc`
[INFO] [stderr]   --> src/structure/model.rs:34:1
[INFO] [stderr]    |
[INFO] [stderr] 34 | / fn pad_translation_doc(
[INFO] [stderr] 35 | |     t: &mut TranslationDocument,
[INFO] [stderr] 36 | |     strings_in_model: &HashMap<String, &I18NString>,
[INFO] [stderr] 37 | | ) -> () {
[INFO] [stderr] ...  |
[INFO] [stderr] 47 | |     }
[INFO] [stderr] 48 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/util/fs.rs:298:5
[INFO] [stderr]     |
[INFO] [stderr] 298 |     model.add_locale(&default_locale);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pad_translation_doc`
[INFO] [stderr]   --> src/structure/model.rs:34:1
[INFO] [stderr]    |
[INFO] [stderr] 34 | / fn pad_translation_doc(
[INFO] [stderr] 35 | |     t: &mut TranslationDocument,
[INFO] [stderr] 36 | |     strings_in_model: &HashMap<String, &I18NString>,
[INFO] [stderr] 37 | | ) -> () {
[INFO] [stderr] ...  |
[INFO] [stderr] 47 | |     }
[INFO] [stderr] 48 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/util/fs.rs:298:5
[INFO] [stderr]     |
[INFO] [stderr] 298 |     model.add_locale(&default_locale);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> tests/xflow_run_001.rs:37:13
[INFO] [stderr]    |
[INFO] [stderr] 37 |             xfrunner.run();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> tests/xflow_run_001.rs:72:17
[INFO] [stderr]    |
[INFO] [stderr] 72 |                 xfrunner.step();
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> tests/xflow_run_001.rs:116:13
[INFO] [stderr]     |
[INFO] [stderr] 116 |             xfrunner.run();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `gears::*`
[INFO] [stderr]  --> tests/flox_test.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use gears::*;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.22s
[INFO] running `"docker" "inspect" "0c3f7f0078087294f3dc57104ec1f642f751e4a523a6e2e4cecef86f44c4c9e8"`
[INFO] running `"docker" "rm" "-f" "0c3f7f0078087294f3dc57104ec1f642f751e4a523a6e2e4cecef86f44c4c9e8"`
[INFO] [stdout] 0c3f7f0078087294f3dc57104ec1f642f751e4a523a6e2e4cecef86f44c4c9e8