[INFO] updating cached repository tallen11/simpllang
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tallen11/simpllang
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tallen11/simpllang" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/tallen11/simpllang"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/tallen11/simpllang'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tallen11/simpllang" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/tallen11/simpllang"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/tallen11/simpllang'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 898b7b674216d7706fc3e596949f6d1700aa10e3
[INFO] sha for GitHub repo tallen11/simpllang: 898b7b674216d7706fc3e596949f6d1700aa10e3
[INFO] validating manifest of tallen11/simpllang on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tallen11/simpllang on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tallen11/simpllang
[INFO] finished frobbing tallen11/simpllang
[INFO] frobbed toml for tallen11/simpllang written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/tallen11/simpllang/Cargo.toml
[INFO] started frobbing tallen11/simpllang
[INFO] finished frobbing tallen11/simpllang
[INFO] frobbed toml for tallen11/simpllang written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/tallen11/simpllang/Cargo.toml
[INFO] crate tallen11/simpllang already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking tallen11/simpllang against try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-6/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/tallen11/simpllang:/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" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4c6e9d7e0b079275924dca01bbae13ef66427b22a1aa68342f32b7fc6ee3a01c
[INFO] running `"docker" "start" "-a" "4c6e9d7e0b079275924dca01bbae13ef66427b22a1aa68342f32b7fc6ee3a01c"`
[INFO] [stderr]    Compiling pest v2.0.1
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling pest_meta v2.0.3
[INFO] [stderr]    Compiling pest_generator v2.0.0
[INFO] [stderr]    Compiling pest_derive v2.0.1
[INFO] [stderr]     Checking simpllang v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: proc-macro derive panicked
[INFO] [stderr]   --> src/main.rs:11:10
[INFO] [stderr]    |
[INFO] [stderr] 11 | #[derive(Parser)]
[INFO] [stderr]    |          ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: message: grammar error
[INFO] [stderr]            
[INFO] [stderr]              --> 48:7
[INFO] [stderr]               |
[INFO] [stderr]            48 |     | ReturnExpression
[INFO] [stderr]               |       ^--------------^
[INFO] [stderr]               |
[INFO] [stderr]               = rule ReturnExpression is undefined
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `simpllang`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: proc-macro derive panicked
[INFO] [stderr]   --> src/main.rs:11:10
[INFO] [stderr]    |
[INFO] [stderr] 11 | #[derive(Parser)]
[INFO] [stderr]    |          ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: message: grammar error
[INFO] [stderr]            
[INFO] [stderr]              --> 48:7
[INFO] [stderr]               |
[INFO] [stderr]            48 |     | ReturnExpression
[INFO] [stderr]               |       ^--------------^
[INFO] [stderr]               |
[INFO] [stderr]               = rule ReturnExpression is undefined
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `simpllang`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "4c6e9d7e0b079275924dca01bbae13ef66427b22a1aa68342f32b7fc6ee3a01c"`
[INFO] running `"docker" "rm" "-f" "4c6e9d7e0b079275924dca01bbae13ef66427b22a1aa68342f32b7fc6ee3a01c"`
[INFO] [stdout] 4c6e9d7e0b079275924dca01bbae13ef66427b22a1aa68342f32b7fc6ee3a01c