[INFO] crate auto_correct 0.1.5 is already in cache
[INFO] extracting crate auto_correct 0.1.5 into work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/reg/auto_correct/0.1.5
[INFO] extracting crate auto_correct 0.1.5 into work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/reg/auto_correct/0.1.5
[INFO] validating manifest of auto_correct-0.1.5 on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of auto_correct-0.1.5 on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing auto_correct-0.1.5
[INFO] finished frobbing auto_correct-0.1.5
[INFO] frobbed toml for auto_correct-0.1.5 written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/reg/auto_correct/0.1.5/Cargo.toml
[INFO] started frobbing auto_correct-0.1.5
[INFO] finished frobbing auto_correct-0.1.5
[INFO] frobbed toml for auto_correct-0.1.5 written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/reg/auto_correct/0.1.5/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded threads_pool v0.1.17
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking auto_correct-0.1.5 against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-1/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/reg/auto_correct/0.1.5:/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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5bb710afe11b747400ab8c59f65d02237574b56a8c60598f5564c834e7e1080f
[INFO] running `"docker" "start" "-a" "5bb710afe11b747400ab8c59f65d02237574b56a8c60598f5564c834e7e1080f"`
[INFO] [stderr]     Checking threads_pool v0.1.17
[INFO] [stderr]     Checking auto_correct v0.1.5 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/dynamic_mode.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 | /     pool.execute(move || {
[INFO] [stderr] 76 | |         delete_n_replace(
[INFO] [stderr] 77 | |             locale_clone,
[INFO] [stderr] 78 | |             word_clone,
[INFO] [stderr] ...  |
[INFO] [stderr] 82 | |         );
[INFO] [stderr] 83 | |     });
[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]   --> src/dynamic_mode.rs:85:5
[INFO] [stderr]    |
[INFO] [stderr] 85 | /     pool.execute(move || {
[INFO] [stderr] 86 | |         transpose_n_insert(
[INFO] [stderr] 87 | |             defined_locale, 
[INFO] [stderr] 88 | |             word, 
[INFO] [stderr] ...  |
[INFO] [stderr] 92 | |         );
[INFO] [stderr] 93 | |     });
[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]    --> src/dynamic_mode.rs:101:13
[INFO] [stderr]     |
[INFO] [stderr] 101 | /             pool.execute(move || {
[INFO] [stderr] 102 | |                 find_next_edit_candidates(
[INFO] [stderr] 103 | |                     current_edit, 
[INFO] [stderr] 104 | |                     &config_moved, 
[INFO] [stderr] ...   |
[INFO] [stderr] 108 | |                 );
[INFO] [stderr] 109 | |             });
[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]    --> src/dynamic_mode.rs:192:9
[INFO] [stderr]     |
[INFO] [stderr] 192 | /         pool.execute(move || {
[INFO] [stderr] 193 | |             load_dict_async(config_clone, tx);
[INFO] [stderr] 194 | |         });
[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]   --> src/lib.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 65 | /         self.pool.execute(move || {
[INFO] [stderr] 66 | |             dynamic_mode::candidate(
[INFO] [stderr] 67 | |                 word,
[INFO] [stderr] 68 | |                 0,
[INFO] [stderr] ...  |
[INFO] [stderr] 71 | |                 Some(tx_cache));
[INFO] [stderr] 72 | |         });
[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]   --> src/dynamic_mode.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 | /     pool.execute(move || {
[INFO] [stderr] 76 | |         delete_n_replace(
[INFO] [stderr] 77 | |             locale_clone,
[INFO] [stderr] 78 | |             word_clone,
[INFO] [stderr] ...  |
[INFO] [stderr] 82 | |         );
[INFO] [stderr] 83 | |     });
[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]   --> src/dynamic_mode.rs:85:5
[INFO] [stderr]    |
[INFO] [stderr] 85 | /     pool.execute(move || {
[INFO] [stderr] 86 | |         transpose_n_insert(
[INFO] [stderr] 87 | |             defined_locale, 
[INFO] [stderr] 88 | |             word, 
[INFO] [stderr] ...  |
[INFO] [stderr] 92 | |         );
[INFO] [stderr] 93 | |     });
[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]    --> src/dynamic_mode.rs:101:13
[INFO] [stderr]     |
[INFO] [stderr] 101 | /             pool.execute(move || {
[INFO] [stderr] 102 | |                 find_next_edit_candidates(
[INFO] [stderr] 103 | |                     current_edit, 
[INFO] [stderr] 104 | |                     &config_moved, 
[INFO] [stderr] ...   |
[INFO] [stderr] 108 | |                 );
[INFO] [stderr] 109 | |             });
[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]    --> src/dynamic_mode.rs:192:9
[INFO] [stderr]     |
[INFO] [stderr] 192 | /         pool.execute(move || {
[INFO] [stderr] 193 | |             load_dict_async(config_clone, tx);
[INFO] [stderr] 194 | |         });
[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]   --> src/lib.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 65 | /         self.pool.execute(move || {
[INFO] [stderr] 66 | |             dynamic_mode::candidate(
[INFO] [stderr] 67 | |                 word,
[INFO] [stderr] 68 | |                 0,
[INFO] [stderr] ...  |
[INFO] [stderr] 71 | |                 Some(tx_cache));
[INFO] [stderr] 72 | |         });
[INFO] [stderr]    | |___________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.05s
[INFO] running `"docker" "inspect" "5bb710afe11b747400ab8c59f65d02237574b56a8c60598f5564c834e7e1080f"`
[INFO] running `"docker" "rm" "-f" "5bb710afe11b747400ab8c59f65d02237574b56a8c60598f5564c834e7e1080f"`
[INFO] [stdout] 5bb710afe11b747400ab8c59f65d02237574b56a8c60598f5564c834e7e1080f