[INFO] crate breakpoint 0.1.0 is already in cache
[INFO] extracting crate breakpoint 0.1.0 into work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/breakpoint/0.1.0
[INFO] extracting crate breakpoint 0.1.0 into work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/breakpoint/0.1.0
[INFO] validating manifest of breakpoint-0.1.0 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 breakpoint-0.1.0 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 breakpoint-0.1.0
[INFO] finished frobbing breakpoint-0.1.0
[INFO] frobbed toml for breakpoint-0.1.0 written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/breakpoint/0.1.0/Cargo.toml
[INFO] started frobbing breakpoint-0.1.0
[INFO] finished frobbing breakpoint-0.1.0
[INFO] frobbed toml for breakpoint-0.1.0 written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/breakpoint/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 breakpoint-0.1.0 against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-6/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/breakpoint/0.1.0:/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] c566ad76dccfddae021f64188a3e9183e24097fac0fa57f52064fed9285d411f
[INFO] running `"docker" "start" "-a" "c566ad76dccfddae021f64188a3e9183e24097fac0fa57f52064fed9285d411f"`
[INFO] [stderr] warning: unused manifest key: package.tags
[INFO] [stderr]     Checking breakpoint v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0517]: attribute should be applied to struct, enum, or union
[INFO] [stderr]    --> src/lib.rs:129:12
[INFO] [stderr]     |
[INFO] [stderr] 129 |     #[repr(C)]
[INFO] [stderr]     |            ^
[INFO] [stderr] 130 |     type sig_t = extern "C" fn(i32);
[INFO] [stderr]     |     -------------------------------- not a struct, enum, or union
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0517`.
[INFO] [stderr] error: Could not compile `breakpoint`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0517]: attribute should be applied to struct, enum, or union
[INFO] [stderr]    --> src/lib.rs:129:12
[INFO] [stderr]     |
[INFO] [stderr] 129 |     #[repr(C)]
[INFO] [stderr]     |            ^
[INFO] [stderr] 130 |     type sig_t = extern "C" fn(i32);
[INFO] [stderr]     |     -------------------------------- not a struct, enum, or union
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0517`.
[INFO] [stderr] error: Could not compile `breakpoint`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "c566ad76dccfddae021f64188a3e9183e24097fac0fa57f52064fed9285d411f"`
[INFO] running `"docker" "rm" "-f" "c566ad76dccfddae021f64188a3e9183e24097fac0fa57f52064fed9285d411f"`
[INFO] [stdout] c566ad76dccfddae021f64188a3e9183e24097fac0fa57f52064fed9285d411f