Dec 18 01:27:07.130 INFO checking derekjw/hearts against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 01:27:07.130 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/derekjw/hearts:/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 01:27:07.548 INFO [stdout] 914a99fa95c49eae4e378dea2bca021195796480fb153831d632d8ca7e82ba38
Dec 18 01:27:07.550 INFO running `"docker" "start" "-a" "914a99fa95c49eae4e378dea2bca021195796480fb153831d632d8ca7e82ba38"`
Dec 18 01:27:09.860 INFO [stderr]     Checking hyper v0.10.12
Dec 18 01:27:13.740 INFO [stderr]     Checking hearts v0.0.1 (/opt/crater/workdir)
Dec 18 01:27:13.935 INFO [stderr] error[E0557]: feature has been removed
Dec 18 01:27:13.935 INFO [stderr]  --> src/main.rs:1:12
Dec 18 01:27:13.935 INFO [stderr]   |
Dec 18 01:27:13.935 INFO [stderr] 1 | #![feature(custom_derive, plugin)]
Dec 18 01:27:13.935 INFO [stderr]   |            ^^^^^^^^^^^^^
Dec 18 01:27:13.935 INFO [stderr]   |
Dec 18 01:27:13.935 INFO [stderr] note: subsumed by `#[proc_macro_derive]`
Dec 18 01:27:13.935 INFO [stderr]  --> src/main.rs:1:12
Dec 18 01:27:13.935 INFO [stderr]   |
Dec 18 01:27:13.935 INFO [stderr] 1 | #![feature(custom_derive, plugin)]
Dec 18 01:27:13.935 INFO [stderr]   |            ^^^^^^^^^^^^^
Dec 18 01:27:13.936 INFO [stderr] 
Dec 18 01:27:13.956 INFO [stderr] error[E0557]: feature has been removed
Dec 18 01:27:13.956 INFO [stderr]  --> src/main.rs:1:12
Dec 18 01:27:13.956 INFO [stderr]   |
Dec 18 01:27:13.956 INFO [stderr] 1 | #![feature(custom_derive, plugin)]
Dec 18 01:27:13.956 INFO [stderr]   |            ^^^^^^^^^^^^^
Dec 18 01:27:13.956 INFO [stderr]   |
Dec 18 01:27:13.956 INFO [stderr] note: subsumed by `#[proc_macro_derive]`
Dec 18 01:27:13.956 INFO [stderr]  --> src/main.rs:1:12
Dec 18 01:27:13.956 INFO [stderr]   |
Dec 18 01:27:13.956 INFO [stderr] 1 | #![feature(custom_derive, plugin)]
Dec 18 01:27:13.956 INFO [stderr]   |            ^^^^^^^^^^^^^
Dec 18 01:27:13.956 INFO [stderr] 
Dec 18 01:27:16.353 INFO [stderr] error: aborting due to previous error
Dec 18 01:27:16.353 INFO [stderr] 
Dec 18 01:27:16.353 INFO [stderr] For more information about this error, try `rustc --explain E0557`.
Dec 18 01:27:16.371 INFO [stderr] error: Could not compile `hearts`.
Dec 18 01:27:16.372 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 18 01:27:16.376 INFO [stderr] error: aborting due to previous error
Dec 18 01:27:16.376 INFO [stderr] 
Dec 18 01:27:16.377 INFO [stderr] For more information about this error, try `rustc --explain E0557`.
Dec 18 01:27:16.386 INFO [stderr] error: Could not compile `hearts`.
Dec 18 01:27:16.386 INFO [stderr] 
Dec 18 01:27:16.386 INFO [stderr] To learn more, run the command again with --verbose.
Dec 18 01:27:17.405 INFO running `"docker" "inspect" "914a99fa95c49eae4e378dea2bca021195796480fb153831d632d8ca7e82ba38"`
Dec 18 01:27:17.740 INFO running `"docker" "rm" "-f" "914a99fa95c49eae4e378dea2bca021195796480fb153831d632d8ca7e82ba38"`
Dec 18 01:27:18.076 INFO [stdout] 914a99fa95c49eae4e378dea2bca021195796480fb153831d632d8ca7e82ba38