[INFO] fetching crate zerodmg 0.1.9...
[INFO] extracting crate zerodmg 0.1.9 into work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/zerodmg/0.1.9
[INFO] extracting crate zerodmg 0.1.9 into work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/reg/zerodmg/0.1.9
[INFO] validating manifest of zerodmg-0.1.9 on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of zerodmg-0.1.9 on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing zerodmg-0.1.9
[INFO] disabled cargo feature 'publish-lockfile' from zerodmg-0.1.9
[INFO] finished frobbing zerodmg-0.1.9
[INFO] frobbed toml for zerodmg-0.1.9 written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/zerodmg/0.1.9/Cargo.toml
[INFO] started frobbing zerodmg-0.1.9
[INFO] disabled cargo feature 'publish-lockfile' from zerodmg-0.1.9
[INFO] finished frobbing zerodmg-0.1.9
[INFO] frobbed toml for zerodmg-0.1.9 written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/reg/zerodmg/0.1.9/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zerodmg-utils v0.1.9
[INFO] [stderr]   Downloaded zerodmg-codes v0.1.9
[INFO] [stderr]   Downloaded zerodmg-emulator v0.1.9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking zerodmg-0.1.9 against master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 for pr-58899
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-4/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/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" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 212bdfb41a4a25b55304075f4d242de86ae6fb56f6a9e1db3883b5905cd3ec75
[INFO] running `"docker" "start" "-a" "212bdfb41a4a25b55304075f4d242de86ae6fb56f6a9e1db3883b5905cd3ec75"`
[INFO] [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
[INFO] [stderr]    Compiling unicase v2.3.0
[INFO] [stderr]     Checking want v0.0.4
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking bytes v0.4.11
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking mime v0.3.13
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.12
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking tokio v0.1.16
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]    Compiling derive_more v0.11.0
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking zerodmg-utils v0.1.9
[INFO] [stderr]     Checking zerodmg-codes v0.1.9
[INFO] [stderr] error[E0635]: unknown feature `rust_2018_idioms`
[INFO] [stderr]  --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/zerodmg-codes-0.1.9/src/lib.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(rust_2018_idioms)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0635`.
[INFO] [stderr] error: Could not compile `zerodmg-codes`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "212bdfb41a4a25b55304075f4d242de86ae6fb56f6a9e1db3883b5905cd3ec75"`
[INFO] running `"docker" "rm" "-f" "212bdfb41a4a25b55304075f4d242de86ae6fb56f6a9e1db3883b5905cd3ec75"`
[INFO] [stdout] 212bdfb41a4a25b55304075f4d242de86ae6fb56f6a9e1db3883b5905cd3ec75