[INFO] updating cached repository https://github.com/shenfe/jast
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 80e6c427da3b3494e091a7c970c3d78821a16148
[INFO] testing shenfe/jast against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshenfe%2Fjast" "work/builds/worker-5/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shenfe/jast on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/shenfe/jast
[INFO] finished tweaking git repo https://github.com/shenfe/jast
[INFO] tweaked toml for git repo https://github.com/shenfe/jast written to work/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/shenfe/jast already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] ff0d61e6a799d78ada9ad6e5db3516dd89bd2a4a052ccb47eb1ee185750c0d09
[INFO] running `"docker" "start" "-a" "ff0d61e6a799d78ada9ad6e5db3516dd89bd2a4a052ccb47eb1ee185750c0d09"`
[INFO] [stderr]    Compiling pest v1.0.3
[INFO] [stderr]    Compiling pest_derive v1.0.3
[INFO] [stderr]    Compiling jast v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: couldn't read build.rs: No such file or directory (os error 2)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `jast`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "ff0d61e6a799d78ada9ad6e5db3516dd89bd2a4a052ccb47eb1ee185750c0d09"`
[INFO] running `"docker" "rm" "-f" "ff0d61e6a799d78ada9ad6e5db3516dd89bd2a4a052ccb47eb1ee185750c0d09"`
[INFO] [stdout] ff0d61e6a799d78ada9ad6e5db3516dd89bd2a4a052ccb47eb1ee185750c0d09