Dec 18 08:55:35.050 INFO checking zerodmg-0.1.9 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252 Dec 18 08:55:35.050 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/zerodmg/0.1.9:/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 08:55:35.388 INFO [stdout] d2a7cb3c02612012d24922c19483a4d86b59ba506a87480d21d674a2f3367097 Dec 18 08:55:35.396 INFO running `"docker" "start" "-a" "d2a7cb3c02612012d24922c19483a4d86b59ba506a87480d21d674a2f3367097"` Dec 18 08:55:36.233 INFO [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest Dec 18 08:55:36.580 INFO [stderr] Compiling syn v0.13.11 Dec 18 08:55:36.580 INFO [stderr] Compiling syn v0.15.23 Dec 18 08:55:36.580 INFO [stderr] Checking tokio-proto v0.1.1 Dec 18 08:55:40.522 INFO [stderr] Checking hyper v0.11.27 Dec 18 08:55:49.068 INFO [stderr] Compiling num-derive v0.2.3 Dec 18 08:55:50.332 INFO [stderr] Compiling derive_more v0.11.0 Dec 18 08:55:58.192 INFO [stderr] Checking image v0.19.0 Dec 18 08:56:02.836 INFO [stderr] Checking zerodmg-utils v0.1.9 Dec 18 08:56:03.048 INFO [stderr] Checking zerodmg-codes v0.1.9 Dec 18 08:56:03.613 INFO [stderr] error[E0635]: unknown feature `rust_2018_idioms` Dec 18 08:56:03.613 INFO [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/zerodmg-codes-0.1.9/src/lib.rs:2:12 Dec 18 08:56:03.613 INFO [stderr] | Dec 18 08:56:03.613 INFO [stderr] 2 | #![feature(rust_2018_idioms)] Dec 18 08:56:03.613 INFO [stderr] | ^^^^^^^^^^^^^^^^ Dec 18 08:56:03.613 INFO [stderr] Dec 18 08:56:03.622 INFO [stderr] error: aborting due to previous error Dec 18 08:56:03.622 INFO [stderr] Dec 18 08:56:03.622 INFO [stderr] For more information about this error, try `rustc --explain E0635`. Dec 18 08:56:03.640 INFO [stderr] error: Could not compile `zerodmg-codes`. Dec 18 08:56:03.640 INFO [stderr] Dec 18 08:56:03.640 INFO [stderr] To learn more, run the command again with --verbose. Dec 18 08:56:04.041 INFO running `"docker" "inspect" "d2a7cb3c02612012d24922c19483a4d86b59ba506a87480d21d674a2f3367097"` Dec 18 08:56:04.137 INFO running `"docker" "rm" "-f" "d2a7cb3c02612012d24922c19483a4d86b59ba506a87480d21d674a2f3367097"` Dec 18 08:56:04.314 INFO [stdout] d2a7cb3c02612012d24922c19483a4d86b59ba506a87480d21d674a2f3367097