Dec 13 21:36:46.354 INFO testing derekjw/hearts against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 21:36:46.354 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-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 13 21:36:46.642 INFO [stdout] 83b21b8822db1fea36863d1d3ce733385adea8bf062e99b846698589e6601221
Dec 13 21:36:46.644 INFO running `"docker" "start" "-a" "83b21b8822db1fea36863d1d3ce733385adea8bf062e99b846698589e6601221"`
Dec 13 21:36:47.779 INFO [stderr] usermod: no changes
Dec 13 21:36:48.046 INFO [stderr]    Compiling memchr v0.1.11
Dec 13 21:36:48.055 INFO [stderr]    Compiling thread-id v2.0.0
Dec 13 21:36:48.694 INFO [stderr]    Compiling thread_local v0.2.7
Dec 13 21:36:48.867 INFO [stderr]    Compiling aho-corasick v0.5.3
Dec 13 21:36:49.907 INFO [stderr]    Compiling regex v0.1.80
Dec 13 21:36:54.912 INFO [stderr]    Compiling env_logger v0.3.5
Dec 13 21:36:55.742 INFO [stderr]    Compiling hearts v0.0.1 (/source)
Dec 13 21:36:55.752 INFO [stderr] error[E0557]: feature has been removed
Dec 13 21:36:55.752 INFO [stderr]  --> src/main.rs:1:12
Dec 13 21:36:55.752 INFO [stderr]   |
Dec 13 21:36:55.752 INFO [stderr] 1 | #![feature(custom_derive, plugin)]
Dec 13 21:36:55.752 INFO [stderr]   |            ^^^^^^^^^^^^^
Dec 13 21:36:55.752 INFO [stderr]   |
Dec 13 21:36:55.752 INFO [stderr] note: subsumed by `#[proc_macro_derive]`
Dec 13 21:36:55.752 INFO [stderr]  --> src/main.rs:1:12
Dec 13 21:36:55.752 INFO [stderr]   |
Dec 13 21:36:55.752 INFO [stderr] 1 | #![feature(custom_derive, plugin)]
Dec 13 21:36:55.752 INFO [stderr]   |            ^^^^^^^^^^^^^
Dec 13 21:36:55.752 INFO [stderr] 
Dec 13 21:36:58.571 INFO [stderr] error: aborting due to previous error
Dec 13 21:36:58.571 INFO [stderr] 
Dec 13 21:36:58.571 INFO [stderr] For more information about this error, try `rustc --explain E0557`.
Dec 13 21:36:58.587 INFO [stderr] error: Could not compile `hearts`.
Dec 13 21:36:58.587 INFO [stderr] 
Dec 13 21:36:58.587 INFO [stderr] To learn more, run the command again with --verbose.
Dec 13 21:36:58.595 INFO [stderr] su: No module specific data is present
Dec 13 21:36:59.523 INFO running `"docker" "inspect" "83b21b8822db1fea36863d1d3ce733385adea8bf062e99b846698589e6601221"`
Dec 13 21:36:59.663 INFO running `"docker" "rm" "-f" "83b21b8822db1fea36863d1d3ce733385adea8bf062e99b846698589e6601221"`
Dec 13 21:36:59.929 INFO [stdout] 83b21b8822db1fea36863d1d3ce733385adea8bf062e99b846698589e6601221