[INFO] crate papito_codegen 0.1.1 is already in cache
[INFO] extracting crate papito_codegen 0.1.1 into work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/papito_codegen/0.1.1
[INFO] extracting crate papito_codegen 0.1.1 into work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/papito_codegen/0.1.1
[INFO] validating manifest of papito_codegen-0.1.1 on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of papito_codegen-0.1.1 on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing papito_codegen-0.1.1
[INFO] finished frobbing papito_codegen-0.1.1
[INFO] frobbed toml for papito_codegen-0.1.1 written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/papito_codegen/0.1.1/Cargo.toml
[INFO] started frobbing papito_codegen-0.1.1
[INFO] finished frobbing papito_codegen-0.1.1
[INFO] frobbed toml for papito_codegen-0.1.1 written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/papito_codegen/0.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking papito_codegen-0.1.1 against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-1/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/papito_codegen/0.1.1:/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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 23e707ebbacf4f00588ecac7d0fbb60b5deb2c46dc73f694f8d826dc74891c2d
[INFO] running `"docker" "start" "-a" "23e707ebbacf4f00588ecac7d0fbb60b5deb2c46dc73f694f8d826dc74891c2d"`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking syn v0.12.15
[INFO] [stderr]    Compiling papito_codegen v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(proc_macro)]
[INFO] [stderr]   |            ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(proc_macro)]
[INFO] [stderr]   |            ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.7
[INFO] [stderr]    Compiling stdweb-derive v0.5.1
[INFO] [stderr]     Checking stdweb v0.4.18
[INFO] [stderr]     Checking papito_dom v0.1.1
[INFO] [stderr]     Checking papito v0.1.1
[INFO] [stderr] error: macro attributes must be placed before `#[derive]`
[INFO] [stderr]   --> tests/component.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     #[component]
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: macro attributes must be placed before `#[derive]`
[INFO] [stderr]   --> tests/component.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     #[component]
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `papito_codegen::render`
[INFO] [stderr]   --> tests/component.rs:13:33
[INFO] [stderr]    |
[INFO] [stderr] 13 | use papito_codegen::{component, render, events, event};
[INFO] [stderr]    |                                 ^^^^^^ no `render` in the root
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the attribute macro `render`
[INFO] [stderr]   --> tests/component.rs:22:7
[INFO] [stderr]    |
[INFO] [stderr] 22 |     #[render]
[INFO] [stderr]    |       ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the attribute macro `render`
[INFO] [stderr]   --> tests/component.rs:38:7
[INFO] [stderr]    |
[INFO] [stderr] 38 |     #[render]
[INFO] [stderr]    |       ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the attribute macro `render`
[INFO] [stderr]   --> tests/component.rs:62:7
[INFO] [stderr]    |
[INFO] [stderr] 62 |     #[render]
[INFO] [stderr]    |       ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(proc_macro)]
[INFO] [stderr]   |            ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `ButtonComponent` in this scope
[INFO] [stderr]   --> tests/component.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     #[events]
[INFO] [stderr]    |     ^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 7 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0412, E0432.
[INFO] [stderr] For more information about an error, try `rustc --explain E0412`.
[INFO] [stderr] error: Could not compile `papito_codegen`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "23e707ebbacf4f00588ecac7d0fbb60b5deb2c46dc73f694f8d826dc74891c2d"`
[INFO] running `"docker" "rm" "-f" "23e707ebbacf4f00588ecac7d0fbb60b5deb2c46dc73f694f8d826dc74891c2d"`
[INFO] [stdout] 23e707ebbacf4f00588ecac7d0fbb60b5deb2c46dc73f694f8d826dc74891c2d