[INFO] updating cached repository R4con/basicANN
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/R4con/basicANN
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/R4con/basicANN" "work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/R4con/basicANN"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/R4con/basicANN'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/R4con/basicANN" "work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/R4con/basicANN"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/R4con/basicANN'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d618fdb4db8bf5af5ad885293d51a60726ae7fa0
[INFO] sha for GitHub repo R4con/basicANN: d618fdb4db8bf5af5ad885293d51a60726ae7fa0
[INFO] validating manifest of R4con/basicANN on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of R4con/basicANN on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing R4con/basicANN
[INFO] finished frobbing R4con/basicANN
[INFO] frobbed toml for R4con/basicANN written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/R4con/basicANN/Cargo.toml
[INFO] started frobbing R4con/basicANN
[INFO] finished frobbing R4con/basicANN
[INFO] frobbed toml for R4con/basicANN written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/R4con/basicANN/Cargo.toml
[INFO] crate R4con/basicANN already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking R4con/basicANN against master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-1/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/R4con/basicANN:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 551f34f7465f596e5776633c61d81ba9dfbcd7054fc553b9a590fc185625fac6
[INFO] running `"docker" "start" "-a" "551f34f7465f596e5776633c61d81ba9dfbcd7054fc553b9a590fc185625fac6"`
[INFO] [stderr]     Checking basicANN v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: expected outer doc comment
[INFO] [stderr]   --> src/structure.rs:63:57
[INFO] [stderr]    |
[INFO] [stderr] 63 |                 print!("n: {} \n", node_output_value);  //! strange stuff happens here 
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: inner doc comments like this (starting with `//!` or `/*!`) can only appear before items
[INFO] [stderr] 
[INFO] [stderr] error: expected outer doc comment
[INFO] [stderr]   --> src/structure.rs:63:57
[INFO] [stderr]    |
[INFO] [stderr] 63 |                 print!("n: {} \n", node_output_value);  //! strange stuff happens here 
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: inner doc comments like this (starting with `//!` or `/*!`) can only appear before items
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `basicANN`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `basicANN`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "551f34f7465f596e5776633c61d81ba9dfbcd7054fc553b9a590fc185625fac6"`
[INFO] running `"docker" "rm" "-f" "551f34f7465f596e5776633c61d81ba9dfbcd7054fc553b9a590fc185625fac6"`
[INFO] [stdout] 551f34f7465f596e5776633c61d81ba9dfbcd7054fc553b9a590fc185625fac6