[INFO] updating cached repository elmines/rusty_brain
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/elmines/rusty_brain
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/elmines/rusty_brain" "work/ex/beta-1.38-1/sources/1.37.0/gh/elmines/rusty_brain"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/elmines/rusty_brain'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/elmines/rusty_brain" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/elmines/rusty_brain"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/elmines/rusty_brain'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 64d91e4f05aa841d5d3b65608971aa327d84ea22
[INFO] sha for GitHub repo elmines/rusty_brain: 64d91e4f05aa841d5d3b65608971aa327d84ea22
[INFO] validating manifest of elmines/rusty_brain 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 elmines/rusty_brain 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 elmines/rusty_brain
[INFO] finished frobbing elmines/rusty_brain
[INFO] frobbed toml for elmines/rusty_brain written to work/ex/beta-1.38-1/sources/1.37.0/gh/elmines/rusty_brain/Cargo.toml
[INFO] started frobbing elmines/rusty_brain
[INFO] finished frobbing elmines/rusty_brain
[INFO] frobbed toml for elmines/rusty_brain written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/elmines/rusty_brain/Cargo.toml
[INFO] crate elmines/rusty_brain already has a lockfile, it will not be regenerated
[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 elmines/rusty_brain 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/elmines/rusty_brain:/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] c77bfa849840359d768e066ae4820a4d6fa97012d443f415d7f3ed2113b02c36
[INFO] running `"docker" "start" "-a" "c77bfa849840359d768e066ae4820a4d6fa97012d443f415d7f3ed2113b02c36"`
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling rusty_brain v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: this file contains an un-closed delimiter
[INFO] [stderr]   --> src/core/session.rs:88:2
[INFO] [stderr]    |
[INFO] [stderr] 25 | impl Session {
[INFO] [stderr]    |              - un-closed delimiter
[INFO] [stderr] ...
[INFO] [stderr] 75 |                     for pred in ready_comp.preds() {
[INFO] [stderr]    |                                                    - this delimiter might not be properly closed...
[INFO] [stderr] ...
[INFO] [stderr] 78 |                 }
[INFO] [stderr]    |                 - ...as it matches this but it has different indentation
[INFO] [stderr] ...
[INFO] [stderr] 88 | 
[INFO] [stderr]    |  ^
[INFO] [stderr] 
[INFO] [stderr] error: expected one of `->`, `where`, or `{`, found `=>`
[INFO] [stderr]   --> src/core/session.rs:14:96
[INFO] [stderr]    |
[INFO] [stderr] 14 | fn extract_pred(x: &Tensor, feeds: &HashMap<&Tensor, &Array<f32, f64>>, fetches: Vec<&Tensor>) => {
[INFO] [stderr]    |                                                                                                ^^ expected one of `->`, `where`, or `{` here
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `rusty_brain`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "c77bfa849840359d768e066ae4820a4d6fa97012d443f415d7f3ed2113b02c36"`
[INFO] running `"docker" "rm" "-f" "c77bfa849840359d768e066ae4820a4d6fa97012d443f415d7f3ed2113b02c36"`
[INFO] [stdout] c77bfa849840359d768e066ae4820a4d6fa97012d443f415d7f3ed2113b02c36