[INFO] crate split_tokens 0.1.0 is already in cache
[INFO] extracting crate split_tokens 0.1.0 into work/ex/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/reg/split_tokens/0.1.0
[INFO] extracting crate split_tokens 0.1.0 into work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/reg/split_tokens/0.1.0
[INFO] validating manifest of split_tokens-0.1.0 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 split_tokens-0.1.0 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 split_tokens-0.1.0
[INFO] finished frobbing split_tokens-0.1.0
[INFO] frobbed toml for split_tokens-0.1.0 written to work/ex/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/reg/split_tokens/0.1.0/Cargo.toml
[INFO] started frobbing split_tokens-0.1.0
[INFO] finished frobbing split_tokens-0.1.0
[INFO] frobbed toml for split_tokens-0.1.0 written to work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/reg/split_tokens/0.1.0/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 split_tokens-0.1.0 against master#2bde39b8edce6463e1c37f8a8082a875e7b536b1 for pr-57483
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57483/worker-4/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/reg/split_tokens/0.1.0:/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" "+2bde39b8edce6463e1c37f8a8082a875e7b536b1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c147be0a4e50fe920eb4880254a30682f3baa33465d5efdc72a73a50d3b37419
[INFO] running `"docker" "start" "-a" "c147be0a4e50fe920eb4880254a30682f3baa33465d5efdc72a73a50d3b37419"`
[INFO] [stderr]     Checking split_tokens v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] note: trace_macro
[INFO] [stderr]   --> src/lib.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     split_tokens!{(>>+=-=<<) then stringify!()};
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: expanding `split_tokens! { ( >> += -= << ) then stringify ! (  ) }`
[INFO] [stderr]    = note: to `split_tokens ! ( @ inner ( >> += -= << ) (  ) ( stringify ) ) ;`
[INFO] [stderr]    = note: expanding `split_tokens! { @ inner ( >> += -= << ) (  ) ( stringify ) }`
[INFO] [stderr]    = note: to `split_tokens ! ( @ inner ( += -= << ) ( > > ) ( stringify ) ) ;`
[INFO] [stderr]    = note: expanding `split_tokens! { @ inner ( += -= << ) ( > > ) ( stringify ) }`
[INFO] [stderr]    = note: to `split_tokens ! ( @ inner ( -= << ) ( > > + = ) ( stringify ) ) ;`
[INFO] [stderr]    = note: expanding `split_tokens! { @ inner ( -= << ) ( > > + = ) ( stringify ) }`
[INFO] [stderr]    = note: to `split_tokens ! ( @ inner ( << ) ( > > + = - = ) ( stringify ) ) ;`
[INFO] [stderr]    = note: expanding `split_tokens! { @ inner ( << ) ( > > + = - = ) ( stringify ) }`
[INFO] [stderr]    = note: to `split_tokens ! ( @ inner (  ) ( > > + = - = < < ) ( stringify ) ) ;`
[INFO] [stderr]    = note: expanding `split_tokens! { @ inner (  ) ( > > + = - = < < ) ( stringify ) }`
[INFO] [stderr]    = note: to `stringify ! ( (  ) ( > > + = - = < < ) ) ;`
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:1:19
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![cfg_attr(test, feature(trace_macros))]
[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 `split_tokens`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "c147be0a4e50fe920eb4880254a30682f3baa33465d5efdc72a73a50d3b37419"`
[INFO] running `"docker" "rm" "-f" "c147be0a4e50fe920eb4880254a30682f3baa33465d5efdc72a73a50d3b37419"`
[INFO] [stdout] c147be0a4e50fe920eb4880254a30682f3baa33465d5efdc72a73a50d3b37419