Dec 18 14:01:41.540 INFO checking mg-settings-macros-0.4.2 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 14:01:41.540 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/mg-settings-macros/0.4.2:/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 14:01:41.903 INFO [stdout] 5a7293c533c366bfa863131fef577aea108ff2fc097065a94860f81d503ea7d5
Dec 18 14:01:41.905 INFO running `"docker" "start" "-a" "5a7293c533c366bfa863131fef577aea108ff2fc097065a94860f81d503ea7d5"`
Dec 18 14:01:42.657 INFO [stderr]     Checking syn v0.13.11
Dec 18 14:01:42.657 INFO [stderr]    Compiling mg-settings-macros v0.4.2
Dec 18 14:01:42.658 INFO [stderr]    Compiling mg-settings-macros v0.4.2 (/opt/crater/workdir)
Dec 18 14:01:44.516 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 14:01:44.516 INFO [stderr]   --> src/lib.rs:54:5
Dec 18 14:01:44.516 INFO [stderr]    |
Dec 18 14:01:44.516 INFO [stderr] 54 |     builder.try_init();
Dec 18 14:01:44.516 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 18 14:01:44.516 INFO [stderr]    |
Dec 18 14:01:44.516 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 14:01:44.516 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 14:01:44.516 INFO [stderr] 
Dec 18 14:01:49.468 INFO [stderr]     Checking mg-settings v0.4.3
Dec 18 14:01:52.168 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 14:01:52.168 INFO [stderr]   --> src/lib.rs:54:5
Dec 18 14:01:52.168 INFO [stderr]    |
Dec 18 14:01:52.168 INFO [stderr] 54 |     builder.try_init();
Dec 18 14:01:52.168 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 18 14:01:52.168 INFO [stderr]    |
Dec 18 14:01:52.168 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 14:01:52.168 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 14:01:52.168 INFO [stderr] 
Dec 18 14:01:52.176 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 14:01:52.176 INFO [stderr]   --> src/lib.rs:54:5
Dec 18 14:01:52.176 INFO [stderr]    |
Dec 18 14:01:52.176 INFO [stderr] 54 |     builder.try_init();
Dec 18 14:01:52.176 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 18 14:01:52.176 INFO [stderr]    |
Dec 18 14:01:52.176 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 14:01:52.176 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 14:01:52.176 INFO [stderr] 
Dec 18 14:01:52.225 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.64s
Dec 18 14:01:52.698 INFO running `"docker" "inspect" "5a7293c533c366bfa863131fef577aea108ff2fc097065a94860f81d503ea7d5"`
Dec 18 14:01:52.821 INFO running `"docker" "rm" "-f" "5a7293c533c366bfa863131fef577aea108ff2fc097065a94860f81d503ea7d5"`
Dec 18 14:01:52.893 INFO [stdout] 5a7293c533c366bfa863131fef577aea108ff2fc097065a94860f81d503ea7d5