[INFO] crate enum-unitary 0.3.6 is already in cache [INFO] extracting crate enum-unitary 0.3.6 into work/ex/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/reg/enum-unitary/0.3.6 [INFO] extracting crate enum-unitary 0.3.6 into work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/reg/enum-unitary/0.3.6 [INFO] validating manifest of enum-unitary-0.3.6 on toolchain master#2bde39b8edce6463e1c37f8a8082a875e7b536b1 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+2bde39b8edce6463e1c37f8a8082a875e7b536b1-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of enum-unitary-0.3.6 on toolchain try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0d8b5d1f16bab9e975695518ff8705bdab9fe94c-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing enum-unitary-0.3.6 [INFO] finished frobbing enum-unitary-0.3.6 [INFO] frobbed toml for enum-unitary-0.3.6 written to work/ex/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/reg/enum-unitary/0.3.6/Cargo.toml [INFO] started frobbing enum-unitary-0.3.6 [INFO] finished frobbing enum-unitary-0.3.6 [INFO] frobbed toml for enum-unitary-0.3.6 written to work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/reg/enum-unitary/0.3.6/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+2bde39b8edce6463e1c37f8a8082a875e7b536b1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0d8b5d1f16bab9e975695518ff8705bdab9fe94c-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+2bde39b8edce6463e1c37f8a8082a875e7b536b1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0d8b5d1f16bab9e975695518ff8705bdab9fe94c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking enum-unitary-0.3.6 against try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c for pr-57483 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57483/worker-4/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/reg/enum-unitary/0.3.6:/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" "+0d8b5d1f16bab9e975695518ff8705bdab9fe94c-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 099e66209e975a89e7f954680dc75711d8993cc730c5e924cfd1ca71d22fe323 [INFO] running `"docker" "start" "-a" "099e66209e975a89e7f954680dc75711d8993cc730c5e924cfd1ca71d22fe323"` [INFO] [stderr] Checking macro-attr v0.2.0 [INFO] [stderr] Checking enum-unitary v0.3.6 (/opt/crater/workdir) [INFO] [stderr] error[E0554]: #![feature] may not be used on the beta release channel [INFO] [stderr] --> src/lib.rs:19:19 [INFO] [stderr] | [INFO] [stderr] 19 | #![cfg_attr(test, feature(const_fn))] [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 `enum-unitary`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "099e66209e975a89e7f954680dc75711d8993cc730c5e924cfd1ca71d22fe323"` [INFO] running `"docker" "rm" "-f" "099e66209e975a89e7f954680dc75711d8993cc730c5e924cfd1ca71d22fe323"` [INFO] [stdout] 099e66209e975a89e7f954680dc75711d8993cc730c5e924cfd1ca71d22fe323