[INFO] updating cached repository gefjon/saturn
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/gefjon/saturn
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/gefjon/saturn" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/gefjon/saturn"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/gefjon/saturn'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/gefjon/saturn" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/gefjon/saturn"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/gefjon/saturn'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 762d2da427c979ec98726b0526cb30ec11e04336
[INFO] sha for GitHub repo gefjon/saturn: 762d2da427c979ec98726b0526cb30ec11e04336
[INFO] validating manifest of gefjon/saturn on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of gefjon/saturn on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing gefjon/saturn
[INFO] finished frobbing gefjon/saturn
[INFO] frobbed toml for gefjon/saturn written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/gefjon/saturn/Cargo.toml
[INFO] started frobbing gefjon/saturn
[INFO] finished frobbing gefjon/saturn
[INFO] frobbed toml for gefjon/saturn written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/gefjon/saturn/Cargo.toml
[INFO] crate gefjon/saturn already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking gefjon/saturn against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-7/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/gefjon/saturn:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 01e3aa81071a55c21b7334a9e94f93894b4e339944a0122d640a8aa2e4a64dc0
[INFO] running `"docker" "start" "-a" "01e3aa81071a55c21b7334a9e94f93894b4e339944a0122d640a8aa2e4a64dc0"`
[INFO] [stderr]     Checking tock-registers v0.3.0
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking register v0.3.2
[INFO] [stderr]     Checking saturn_tagging v0.2.1 (https://github.com/gefjon/saturn_tagging#2b00b653)
[INFO] [stderr]     Checking cortex-a v2.4.0
[INFO] [stderr]     Checking saturn v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0601]: `main` function not found in crate `kernel8`
[INFO] [stderr]   |
[INFO] [stderr]   = note: consider adding a `main` function to `src/main.rs`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0601`.
[INFO] [stderr] error: Could not compile `saturn`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "01e3aa81071a55c21b7334a9e94f93894b4e339944a0122d640a8aa2e4a64dc0"`
[INFO] running `"docker" "rm" "-f" "01e3aa81071a55c21b7334a9e94f93894b4e339944a0122d640a8aa2e4a64dc0"`
[INFO] [stdout] 01e3aa81071a55c21b7334a9e94f93894b4e339944a0122d640a8aa2e4a64dc0