[INFO] crate encoding-index-tradchinese 1.20141219.5 is already in cache
[INFO] extracting crate encoding-index-tradchinese 1.20141219.5 into work/ex/beta-1.38-1/sources/1.37.0/reg/encoding-index-tradchinese/1.20141219.5
[INFO] extracting crate encoding-index-tradchinese 1.20141219.5 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/encoding-index-tradchinese/1.20141219.5
[INFO] validating manifest of encoding-index-tradchinese-1.20141219.5 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of encoding-index-tradchinese-1.20141219.5 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing encoding-index-tradchinese-1.20141219.5
[INFO] removed path dependency encoding_index_tests from encoding-index-tradchinese-1.20141219.5
[INFO] finished frobbing encoding-index-tradchinese-1.20141219.5
[INFO] frobbed toml for encoding-index-tradchinese-1.20141219.5 written to work/ex/beta-1.38-1/sources/1.37.0/reg/encoding-index-tradchinese/1.20141219.5/Cargo.toml
[INFO] started frobbing encoding-index-tradchinese-1.20141219.5
[INFO] removed path dependency encoding_index_tests from encoding-index-tradchinese-1.20141219.5
[INFO] finished frobbing encoding-index-tradchinese-1.20141219.5
[INFO] frobbed toml for encoding-index-tradchinese-1.20141219.5 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/encoding-index-tradchinese/1.20141219.5/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing encoding-index-tradchinese-1.20141219.5 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/encoding-index-tradchinese/1.20141219.5:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 26798cab3a522b965c8e1b5452ac4be2d5d456d63f72ddaab28b47117b771bdd
[INFO] running `"docker" "start" "-a" "26798cab3a522b965c8e1b5452ac4be2d5d456d63f72ddaab28b47117b771bdd"`
[INFO] [stderr]    Compiling encoding-index-tradchinese v1.20141219.5 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `"docker" "inspect" "26798cab3a522b965c8e1b5452ac4be2d5d456d63f72ddaab28b47117b771bdd"`
[INFO] running `"docker" "rm" "-f" "26798cab3a522b965c8e1b5452ac4be2d5d456d63f72ddaab28b47117b771bdd"`
[INFO] [stdout] 26798cab3a522b965c8e1b5452ac4be2d5d456d63f72ddaab28b47117b771bdd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/encoding-index-tradchinese/1.20141219.5:/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9cc64b6ebccab997b9f55a231c44881d3be4396c6d1996e47d9e7c1409c18018
[INFO] running `"docker" "start" "-a" "9cc64b6ebccab997b9f55a231c44881d3be4396c6d1996e47d9e7c1409c18018"`
[INFO] [stderr]    Compiling encoding-index-tradchinese v1.20141219.5 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> lib.rs:9:19
[INFO] [stderr]   |
[INFO] [stderr] 9 | #![cfg_attr(test, feature(test))]
[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 E0554`.
[INFO] [stderr] error: Could not compile `encoding-index-tradchinese`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "9cc64b6ebccab997b9f55a231c44881d3be4396c6d1996e47d9e7c1409c18018"`
[INFO] running `"docker" "rm" "-f" "9cc64b6ebccab997b9f55a231c44881d3be4396c6d1996e47d9e7c1409c18018"`
[INFO] [stdout] 9cc64b6ebccab997b9f55a231c44881d3be4396c6d1996e47d9e7c1409c18018