Dec 17 20:45:08.125 INFO checking lholden/entity_system against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 20:45:08.126 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/lholden/entity_system:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 20:45:08.622 INFO [stdout] f6e181c53727fb836a2575c922440ac3a3f32bce2a89c6eba22eba477e3cd9d7
Dec 17 20:45:08.633 INFO running `"docker" "start" "-a" "f6e181c53727fb836a2575c922440ac3a3f32bce2a89c6eba22eba477e3cd9d7"`
Dec 17 20:45:10.400 INFO [stderr]     Checking entity_system v0.0.1 (/opt/crater/workdir)
Dec 17 20:45:11.124 INFO [stderr] error[E0658]: The attribute `deriving` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Dec 17 20:45:11.124 INFO [stderr]  --> benches/lib.rs:4:3
Dec 17 20:45:11.124 INFO [stderr]   |
Dec 17 20:45:11.124 INFO [stderr] 4 | #[deriving(Clone)]
Dec 17 20:45:11.124 INFO [stderr]   |   ^^^^^^^^
Dec 17 20:45:11.124 INFO [stderr]   |
Dec 17 20:45:11.124 INFO [stderr]   = help: add #![feature(custom_attribute)] to the crate attributes to enable
Dec 17 20:45:11.124 INFO [stderr] 
Dec 17 20:45:11.124 INFO [stderr] error[E0658]: The attribute `deriving` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Dec 17 20:45:11.124 INFO [stderr]  --> benches/lib.rs:9:3
Dec 17 20:45:11.124 INFO [stderr]   |
Dec 17 20:45:11.124 INFO [stderr] 9 | #[deriving(Clone)]
Dec 17 20:45:11.124 INFO [stderr]   |   ^^^^^^^^
Dec 17 20:45:11.124 INFO [stderr]   |
Dec 17 20:45:11.124 INFO [stderr]   = help: add #![feature(custom_attribute)] to the crate attributes to enable
Dec 17 20:45:11.124 INFO [stderr] 
Dec 17 20:45:11.124 INFO [stderr] error: aborting due to 2 previous errors
Dec 17 20:45:11.124 INFO [stderr] 
Dec 17 20:45:11.124 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Dec 17 20:45:11.132 INFO [stderr] error: Could not compile `entity_system`.
Dec 17 20:45:11.132 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 17 20:45:11.287 INFO [stderr] error: build failed
Dec 17 20:45:11.894 INFO running `"docker" "inspect" "f6e181c53727fb836a2575c922440ac3a3f32bce2a89c6eba22eba477e3cd9d7"`
Dec 17 20:45:12.194 INFO running `"docker" "rm" "-f" "f6e181c53727fb836a2575c922440ac3a3f32bce2a89c6eba22eba477e3cd9d7"`
Dec 17 20:45:12.448 INFO [stdout] f6e181c53727fb836a2575c922440ac3a3f32bce2a89c6eba22eba477e3cd9d7