Nov 28 06:56:55.533 INFO documenting zerodmg-0.1.9 against try#f5a0bd723553ea4b7556bd7087b9f0919cafb483 for pr-55318
Nov 28 06:56:55.533 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318/worker-2/try#f5a0bd723553ea4b7556bd7087b9f0919cafb483:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55318/try#f5a0bd723553ea4b7556bd7087b9f0919cafb483:/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 +f5a0bd723553ea4b7556bd7087b9f0919cafb483-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 06:56:55.760 INFO [stdout] 470c20e0fc9dad74da8a005a5d36995aad382f0ade95ffb0484c91baf9ccc711
Nov 28 06:56:55.762 INFO running `"docker" "start" "-a" "470c20e0fc9dad74da8a005a5d36995aad382f0ade95ffb0484c91baf9ccc711"`
Nov 28 06:56:56.854 INFO [stderr] usermod: no changes
Nov 28 06:56:57.043 INFO [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
Nov 28 06:56:57.284 INFO [stderr]     Checking image v0.19.0
Nov 28 06:56:57.303 INFO [stderr]     Checking tokio-core v0.1.17
Nov 28 06:57:02.087 INFO [stderr]     Checking tokio-proto v0.1.1
Nov 28 06:57:05.372 INFO [stderr]     Checking zerodmg-utils v0.1.9
Nov 28 06:57:05.847 INFO [stderr]     Checking zerodmg-codes v0.1.9
Nov 28 06:57:06.977 INFO [stderr] error[E0635]: unknown feature `rust_2018_idioms`
Nov 28 06:57:06.977 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/zerodmg-codes-0.1.9/src/lib.rs:2:12
Nov 28 06:57:06.977 INFO [stderr]   |
Nov 28 06:57:06.977 INFO [stderr] 2 | #![feature(rust_2018_idioms)]
Nov 28 06:57:06.978 INFO [stderr]   |            ^^^^^^^^^^^^^^^^
Nov 28 06:57:06.978 INFO [stderr] 
Nov 28 06:57:07.003 INFO [stderr] error: aborting due to previous error
Nov 28 06:57:07.004 INFO [stderr] 
Nov 28 06:57:07.004 INFO [stderr] For more information about this error, try `rustc --explain E0635`.
Nov 28 06:57:07.010 INFO [stderr] error: Could not compile `zerodmg-codes`.
Nov 28 06:57:07.011 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Nov 28 06:57:07.495 INFO [stderr] error: build failed
Nov 28 06:57:07.498 INFO [stderr] su: No module specific data is present
Nov 28 06:57:07.938 INFO running `"docker" "inspect" "470c20e0fc9dad74da8a005a5d36995aad382f0ade95ffb0484c91baf9ccc711"`
Nov 28 06:57:08.053 INFO running `"docker" "rm" "-f" "470c20e0fc9dad74da8a005a5d36995aad382f0ade95ffb0484c91baf9ccc711"`
Nov 28 06:57:08.219 INFO [stdout] 470c20e0fc9dad74da8a005a5d36995aad382f0ade95ffb0484c91baf9ccc711