Nov 28 06:57:01.548 INFO documenting zerodmg-0.1.9 against master#6bfb46e4ac9a2704f06de1a2ff7a4612cd70c8cb for pr-55318
Nov 28 06:57:01.550 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318/worker-0/master#6bfb46e4ac9a2704f06de1a2ff7a4612cd70c8cb:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55318/master#6bfb46e4ac9a2704f06de1a2ff7a4612cd70c8cb:/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 +6bfb46e4ac9a2704f06de1a2ff7a4612cd70c8cb-alt doc --frozen --no-deps --document-private-items" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 28 06:57:01.964 INFO [stdout] 90d27180b17e8404891c61b9d19e3f3b84d4316c263b08e4b2aa5a7ad43b7fd0
Nov 28 06:57:01.967 INFO running `"docker" "start" "-a" "90d27180b17e8404891c61b9d19e3f3b84d4316c263b08e4b2aa5a7ad43b7fd0"`
Nov 28 06:57:04.119 INFO [stderr] usermod: no changes
Nov 28 06:57:04.332 INFO [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
Nov 28 06:57:04.547 INFO [stderr]    Compiling num-derive v0.2.3
Nov 28 06:57:11.474 INFO [stderr]     Checking image v0.19.0
Nov 28 06:57:16.675 INFO [stderr]     Checking zerodmg-utils v0.1.9
Nov 28 06:57:17.003 INFO [stderr]     Checking zerodmg-codes v0.1.9
Nov 28 06:57:17.852 INFO [stderr] error[E0635]: unknown feature `rust_2018_idioms`
Nov 28 06:57:17.853 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/zerodmg-codes-0.1.9/src/lib.rs:2:12
Nov 28 06:57:17.853 INFO [stderr]   |
Nov 28 06:57:17.853 INFO [stderr] 2 | #![feature(rust_2018_idioms)]
Nov 28 06:57:17.854 INFO [stderr]   |            ^^^^^^^^^^^^^^^^
Nov 28 06:57:17.854 INFO [stderr] 
Nov 28 06:57:17.865 INFO [stderr] error: aborting due to previous error
Nov 28 06:57:17.866 INFO [stderr] 
Nov 28 06:57:17.866 INFO [stderr] For more information about this error, try `rustc --explain E0635`.
Nov 28 06:57:17.891 INFO [stderr] error: Could not compile `zerodmg-codes`.
Nov 28 06:57:17.891 INFO [stderr] 
Nov 28 06:57:17.892 INFO [stderr] To learn more, run the command again with --verbose.
Nov 28 06:57:17.892 INFO [stderr] su: No module specific data is present
Nov 28 06:57:18.665 INFO running `"docker" "inspect" "90d27180b17e8404891c61b9d19e3f3b84d4316c263b08e4b2aa5a7ad43b7fd0"`
Nov 28 06:57:18.801 INFO running `"docker" "rm" "-f" "90d27180b17e8404891c61b9d19e3f3b84d4316c263b08e4b2aa5a7ad43b7fd0"`
Nov 28 06:57:19.011 INFO [stdout] 90d27180b17e8404891c61b9d19e3f3b84d4316c263b08e4b2aa5a7ad43b7fd0