[INFO] updating cached repository nilsbore/async_bt
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nilsbore/async_bt
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nilsbore/async_bt" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/nilsbore/async_bt"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/nilsbore/async_bt'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nilsbore/async_bt" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/nilsbore/async_bt"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/nilsbore/async_bt'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b8e03a75b3adfd679e30fe629764a68c18a6a715
[INFO] sha for GitHub repo nilsbore/async_bt: b8e03a75b3adfd679e30fe629764a68c18a6a715
[INFO] validating manifest of nilsbore/async_bt on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of nilsbore/async_bt on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing nilsbore/async_bt
[INFO] finished frobbing nilsbore/async_bt
[INFO] frobbed toml for nilsbore/async_bt written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/nilsbore/async_bt/Cargo.toml
[INFO] started frobbing nilsbore/async_bt
[INFO] finished frobbing nilsbore/async_bt
[INFO] frobbed toml for nilsbore/async_bt written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/nilsbore/async_bt/Cargo.toml
[INFO] crate nilsbore/async_bt already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking nilsbore/async_bt against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-1/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/nilsbore/async_bt:/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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9ee3e2613fda8353ab6aca2a89ef22aca13f4146cb7b65a06e9e89f7ac2d1c76
[INFO] running `"docker" "start" "-a" "9ee3e2613fda8353ab6aca2a89ef22aca13f4146cb7b65a06e9e89f7ac2d1c76"`
[INFO] [stderr]    Compiling byte-tools v0.3.0
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling opaque-debug v0.2.1
[INFO] [stderr]    Compiling lalrpop-util v0.16.2
[INFO] [stderr]    Compiling regex-syntax v0.6.4
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]     Checking proc-macro2 v0.4.24
[INFO] [stderr]    Compiling ena v0.10.1
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling block-padding v0.1.2
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]    Compiling serde_derive v1.0.84
[INFO] [stderr]    Compiling block-buffer v0.7.0
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]     Checking quote v0.6.10
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling docopt v1.0.2
[INFO] [stderr]    Compiling lalrpop v0.16.2
[INFO] [stderr]    Compiling asynch_bt v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0583]: file not found for module `bt_generated`
[INFO] [stderr]   --> src/main.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub mod bt_generated;
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: name the file either bt_generated.rs or bt_generated/mod.rs inside the directory "src"
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0583`.
[INFO] [stderr] error: Could not compile `asynch_bt`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0583]: file not found for module `bt_generated`
[INFO] [stderr]   --> src/main.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub mod bt_generated;
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: name the file either bt_generated.rs or bt_generated/mod.rs inside the directory "src"
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0583`.
[INFO] [stderr] error: Could not compile `asynch_bt`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "9ee3e2613fda8353ab6aca2a89ef22aca13f4146cb7b65a06e9e89f7ac2d1c76"`
[INFO] running `"docker" "rm" "-f" "9ee3e2613fda8353ab6aca2a89ef22aca13f4146cb7b65a06e9e89f7ac2d1c76"`
[INFO] [stdout] 9ee3e2613fda8353ab6aca2a89ef22aca13f4146cb7b65a06e9e89f7ac2d1c76