Dec 14 21:27:47.104 INFO testing rustfm-0.1.2 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 21:27:47.105 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 14 21:27:47.515 INFO [stdout] b8e6e7771236722b61265764ebc1ac34ac283e13046eef18f2e8a6b2b39774ba
Dec 14 21:27:47.521 INFO running `"docker" "start" "-a" "b8e6e7771236722b61265764ebc1ac34ac283e13046eef18f2e8a6b2b39774ba"`
Dec 14 21:27:49.455 INFO [stderr] usermod: no changes
Dec 14 21:27:49.724 INFO [stderr]    Compiling serde_codegen v0.8.23
Dec 14 21:27:54.178 INFO [stderr]    Compiling serde_derive v0.8.23
Dec 14 21:27:55.719 INFO [stderr]    Compiling rustfm v0.1.2 (/source)
Dec 14 21:27:55.826 INFO [stderr] error[E0557]: feature has been removed
Dec 14 21:27:55.826 INFO [stderr]  --> src/lib.rs:1:12
Dec 14 21:27:55.826 INFO [stderr]   |
Dec 14 21:27:55.826 INFO [stderr] 1 | #![feature(custom_derive, plugin)]
Dec 14 21:27:55.826 INFO [stderr]   |            ^^^^^^^^^^^^^
Dec 14 21:27:55.826 INFO [stderr]   |
Dec 14 21:27:55.826 INFO [stderr] note: subsumed by `#[proc_macro_derive]`
Dec 14 21:27:55.826 INFO [stderr]  --> src/lib.rs:1:12
Dec 14 21:27:55.826 INFO [stderr]   |
Dec 14 21:27:55.826 INFO [stderr] 1 | #![feature(custom_derive, plugin)]
Dec 14 21:27:55.826 INFO [stderr]   |            ^^^^^^^^^^^^^
Dec 14 21:27:55.826 INFO [stderr] 
Dec 14 21:27:58.739 INFO [stderr] warning: unused `#[macro_use]` import
Dec 14 21:27:58.739 INFO [stderr]  --> src/lib.rs:9:1
Dec 14 21:27:58.739 INFO [stderr]   |
Dec 14 21:27:58.739 INFO [stderr] 9 | #[macro_use] extern crate lazy_static;
Dec 14 21:27:58.739 INFO [stderr]   | ^^^^^^^^^^^^
Dec 14 21:27:58.739 INFO [stderr]   |
Dec 14 21:27:58.739 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 21:27:58.739 INFO [stderr] 
Dec 14 21:27:58.936 INFO [stderr] error: aborting due to previous error
Dec 14 21:27:58.936 INFO [stderr] 
Dec 14 21:27:58.936 INFO [stderr] For more information about this error, try `rustc --explain E0557`.
Dec 14 21:27:58.957 INFO [stderr] error: Could not compile `rustfm`.
Dec 14 21:27:58.957 INFO [stderr] 
Dec 14 21:27:58.957 INFO [stderr] To learn more, run the command again with --verbose.
Dec 14 21:27:58.960 INFO [stderr] su: No module specific data is present
Dec 14 21:28:00.007 INFO running `"docker" "inspect" "b8e6e7771236722b61265764ebc1ac34ac283e13046eef18f2e8a6b2b39774ba"`
Dec 14 21:28:00.211 INFO running `"docker" "rm" "-f" "b8e6e7771236722b61265764ebc1ac34ac283e13046eef18f2e8a6b2b39774ba"`
Dec 14 21:28:00.535 INFO [stdout] b8e6e7771236722b61265764ebc1ac34ac283e13046eef18f2e8a6b2b39774ba