[INFO] crate relm-derive-common 0.15.0 is already in cache
[INFO] extracting crate relm-derive-common 0.15.0 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/relm-derive-common/0.15.0
[INFO] extracting crate relm-derive-common 0.15.0 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/relm-derive-common/0.15.0
[INFO] validating manifest of relm-derive-common-0.15.0 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of relm-derive-common-0.15.0 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing relm-derive-common-0.15.0
[INFO] finished frobbing relm-derive-common-0.15.0
[INFO] frobbed toml for relm-derive-common-0.15.0 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/relm-derive-common/0.15.0/Cargo.toml
[INFO] started frobbing relm-derive-common-0.15.0
[INFO] finished frobbing relm-derive-common-0.15.0
[INFO] frobbed toml for relm-derive-common-0.15.0 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/relm-derive-common/0.15.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing relm-derive-common-0.15.0 against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/relm-derive-common/0.15.0:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 5c92c07ed51dadd02ec3b7eaf40233a7e709ac0d0c085addeda4bd22789062a8
[INFO] running `"docker" "start" "-a" "5c92c07ed51dadd02ec3b7eaf40233a7e709ac0d0c085addeda4bd22789062a8"`
[INFO] [stderr]    Compiling relm-gen-widget v0.15.2
[INFO] [stderr]    Compiling relm-derive-common v0.15.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0432]: unresolved import `syn::Item`
[INFO] [stderr]   --> src/lib.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Item,
[INFO] [stderr]    |     ^^^^ no `Item` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/lib.rs:42:45
[INFO] [stderr]    |
[INFO] [stderr] 42 |         let where_clause = gen_where_clause(&generics);
[INFO] [stderr]    |                                             ^^^^^^^^^ expected struct `syn::generics::Generics`, found reference
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&syn::generics::Generics`
[INFO] [stderr]               found type `&&syn::Generics`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/lib.rs:120:45
[INFO] [stderr]     |
[INFO] [stderr] 120 |         let where_clause = gen_where_clause(generics);
[INFO] [stderr]     |                                             ^^^^^^^^ expected struct `syn::generics::Generics`, found struct `syn::Generics`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `&syn::generics::Generics`
[INFO] [stderr]                found type `&syn::Generics`
[INFO] [stderr] note: Perhaps two different versions of crate `syn` are being used?
[INFO] [stderr]    --> src/lib.rs:120:45
[INFO] [stderr]     |
[INFO] [stderr] 120 |         let where_clause = gen_where_clause(generics);
[INFO] [stderr]     |                                             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/lib.rs:146:45
[INFO] [stderr]     |
[INFO] [stderr] 146 |         let where_clause = gen_where_clause(&generics);
[INFO] [stderr]     |                                             ^^^^^^^^^ expected struct `syn::generics::Generics`, found reference
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `&syn::generics::Generics`
[INFO] [stderr]                found type `&&syn::Generics`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors occurred: E0308, E0432.
[INFO] [stderr] For more information about an error, try `rustc --explain E0308`.
[INFO] [stderr] error: Could not compile `relm-derive-common`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "5c92c07ed51dadd02ec3b7eaf40233a7e709ac0d0c085addeda4bd22789062a8"`
[INFO] running `"docker" "rm" "-f" "5c92c07ed51dadd02ec3b7eaf40233a7e709ac0d0c085addeda4bd22789062a8"`
[INFO] [stdout] 5c92c07ed51dadd02ec3b7eaf40233a7e709ac0d0c085addeda4bd22789062a8