Dec 11 19:46:45.283 INFO checking derekjw/hearts against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 19:46:45.283 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 11 19:46:45.829 INFO [stdout] fc15521c648e0af075c90a5b274c9ef42f8b8298572ecf97ac5676bb34c5ed18
Dec 11 19:46:45.832 INFO running `"docker" "start" "-a" "fc15521c648e0af075c90a5b274c9ef42f8b8298572ecf97ac5676bb34c5ed18"`
Dec 11 19:46:47.652 INFO [stderr] usermod: no changes
Dec 11 19:46:47.919 INFO [stderr]     Checking memchr v0.1.11
Dec 11 19:46:47.960 INFO [stderr]     Checking thread-id v2.0.0
Dec 11 19:46:48.488 INFO [stderr]     Checking aho-corasick v0.5.3
Dec 11 19:46:48.508 INFO [stderr]     Checking thread_local v0.2.7
Dec 11 19:46:49.525 INFO [stderr]     Checking regex v0.1.80
Dec 11 19:46:51.656 INFO [stderr]     Checking env_logger v0.3.5
Dec 11 19:46:52.468 INFO [stderr]     Checking hearts v0.0.1 (/source)
Dec 11 19:46:52.624 INFO [stderr] error[E0557]: feature has been removed
Dec 11 19:46:52.624 INFO [stderr]  --> src/main.rs:1:12
Dec 11 19:46:52.624 INFO [stderr]   |
Dec 11 19:46:52.624 INFO [stderr] 1 | #![feature(custom_derive, plugin)]
Dec 11 19:46:52.624 INFO [stderr]   |            ^^^^^^^^^^^^^
Dec 11 19:46:52.636 INFO [stderr]   |
Dec 11 19:46:52.636 INFO [stderr] note: subsumed by `#[proc_macro_derive]`
Dec 11 19:46:52.636 INFO [stderr]  --> src/main.rs:1:12
Dec 11 19:46:52.636 INFO [stderr]   |
Dec 11 19:46:52.636 INFO [stderr] 1 | #![feature(custom_derive, plugin)]
Dec 11 19:46:52.636 INFO [stderr]   |            ^^^^^^^^^^^^^
Dec 11 19:46:52.636 INFO [stderr] 
Dec 11 19:46:52.660 INFO [stderr] error[E0557]: feature has been removed
Dec 11 19:46:52.660 INFO [stderr]  --> src/main.rs:1:12
Dec 11 19:46:52.660 INFO [stderr]   |
Dec 11 19:46:52.660 INFO [stderr] 1 | #![feature(custom_derive, plugin)]
Dec 11 19:46:52.660 INFO [stderr]   |            ^^^^^^^^^^^^^
Dec 11 19:46:52.660 INFO [stderr]   |
Dec 11 19:46:52.660 INFO [stderr] note: subsumed by `#[proc_macro_derive]`
Dec 11 19:46:52.660 INFO [stderr]  --> src/main.rs:1:12
Dec 11 19:46:52.660 INFO [stderr]   |
Dec 11 19:46:52.660 INFO [stderr] 1 | #![feature(custom_derive, plugin)]
Dec 11 19:46:52.660 INFO [stderr]   |            ^^^^^^^^^^^^^
Dec 11 19:46:52.660 INFO [stderr] 
Dec 11 19:46:56.680 INFO [stderr] error: aborting due to previous error
Dec 11 19:46:56.681 INFO [stderr] 
Dec 11 19:46:56.681 INFO [stderr] For more information about this error, try `rustc --explain E0557`.
Dec 11 19:46:56.688 INFO [stderr] error: Could not compile `hearts`.
Dec 11 19:46:56.688 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 11 19:46:56.824 INFO [stderr] error: aborting due to previous error
Dec 11 19:46:56.824 INFO [stderr] 
Dec 11 19:46:56.824 INFO [stderr] For more information about this error, try `rustc --explain E0557`.
Dec 11 19:46:56.846 INFO [stderr] error: Could not compile `hearts`.
Dec 11 19:46:56.846 INFO [stderr] 
Dec 11 19:46:56.846 INFO [stderr] To learn more, run the command again with --verbose.
Dec 11 19:46:56.846 INFO [stderr] su: No module specific data is present
Dec 11 19:46:57.299 INFO running `"docker" "inspect" "fc15521c648e0af075c90a5b274c9ef42f8b8298572ecf97ac5676bb34c5ed18"`
Dec 11 19:46:57.500 INFO running `"docker" "rm" "-f" "fc15521c648e0af075c90a5b274c9ef42f8b8298572ecf97ac5676bb34c5ed18"`
Dec 11 19:46:57.740 INFO [stdout] fc15521c648e0af075c90a5b274c9ef42f8b8298572ecf97ac5676bb34c5ed18