Dec 18 16:36:00.773 INFO checking failure_derive-0.1.3 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 16:36:00.773 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/failure_derive/0.1.3:/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 16:36:01.140 INFO [stdout] 427824b19f2c68c04139c018c8cb7e33b2c54ff0e02fc15d9bbf5db53db7142f
Dec 18 16:36:01.142 INFO running `"docker" "start" "-a" "427824b19f2c68c04139c018c8cb7e33b2c54ff0e02fc15d9bbf5db53db7142f"`
Dec 18 16:36:02.960 INFO [stderr]    Compiling failure_derive v0.1.3 (/opt/crater/workdir)
Dec 18 16:36:02.960 INFO [stderr]     Checking syn v0.15.23
Dec 18 16:36:10.356 INFO [stderr]     Checking synstructure v0.10.1
Dec 18 16:36:12.172 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 16:36:12.172 INFO [stderr]  --> tests/custom_type_bounds.rs:1:1
Dec 18 16:36:12.172 INFO [stderr]   |
Dec 18 16:36:12.172 INFO [stderr] 1 | #[macro_use]
Dec 18 16:36:12.172 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 16:36:12.172 INFO [stderr]   |
Dec 18 16:36:12.172 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 16:36:12.172 INFO [stderr] 
Dec 18 16:36:12.312 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 16:36:12.312 INFO [stderr]  --> tests/no_derive_display.rs:2:1
Dec 18 16:36:12.312 INFO [stderr]   |
Dec 18 16:36:12.312 INFO [stderr] 2 | #[macro_use]
Dec 18 16:36:12.312 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 16:36:12.312 INFO [stderr]   |
Dec 18 16:36:12.312 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 16:36:12.312 INFO [stderr] 
Dec 18 16:36:12.392 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 16:36:12.392 INFO [stderr]  --> tests/backtrace.rs:2:1
Dec 18 16:36:12.392 INFO [stderr]   |
Dec 18 16:36:12.392 INFO [stderr] 2 | #[macro_use]
Dec 18 16:36:12.392 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 16:36:12.392 INFO [stderr]   |
Dec 18 16:36:12.392 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 16:36:12.392 INFO [stderr] 
Dec 18 16:36:12.440 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 16:36:12.440 INFO [stderr]  --> tests/wraps.rs:2:1
Dec 18 16:36:12.440 INFO [stderr]   |
Dec 18 16:36:12.440 INFO [stderr] 2 | #[macro_use]
Dec 18 16:36:12.440 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 16:36:12.440 INFO [stderr]   |
Dec 18 16:36:12.440 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 16:36:12.440 INFO [stderr] 
Dec 18 16:36:12.657 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.76s
Dec 18 16:36:13.284 INFO running `"docker" "inspect" "427824b19f2c68c04139c018c8cb7e33b2c54ff0e02fc15d9bbf5db53db7142f"`
Dec 18 16:36:13.478 INFO running `"docker" "rm" "-f" "427824b19f2c68c04139c018c8cb7e33b2c54ff0e02fc15d9bbf5db53db7142f"`
Dec 18 16:36:13.672 INFO [stdout] 427824b19f2c68c04139c018c8cb7e33b2c54ff0e02fc15d9bbf5db53db7142f