[INFO] crate devise_core 0.2.0 is already in cache [INFO] extracting crate devise_core 0.2.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/devise_core/0.2.0 [INFO] extracting crate devise_core 0.2.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/devise_core/0.2.0 [INFO] validating manifest of devise_core-0.2.0 on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of devise_core-0.2.0 on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing devise_core-0.2.0 [INFO] finished frobbing devise_core-0.2.0 [INFO] frobbed toml for devise_core-0.2.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/devise_core/0.2.0/Cargo.toml [INFO] started frobbing devise_core-0.2.0 [INFO] finished frobbing devise_core-0.2.0 [INFO] frobbed toml for devise_core-0.2.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/devise_core/0.2.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] testing devise_core-0.2.0 against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/devise_core/0.2.0:/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=warn" "-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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] 3ee7fddf5002dd0e23683ae88051e9401644a9b9755bde5b385387a3cbd4b695 [INFO] running `"docker" "start" "-a" "3ee7fddf5002dd0e23683ae88051e9401644a9b9755bde5b385387a3cbd4b695"` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling devise_core v0.2.0 (/opt/crater/workdir) [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> src/lib.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(proc_macro_diagnostic, proc_macro_span)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> src/lib.rs:2:1 [INFO] [stderr] | [INFO] [stderr] 2 | #![feature(crate_visibility_modifier)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> src/lib.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | #![feature(concat_idents)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/generator.rs:71:31 [INFO] [stderr] | [INFO] [stderr] 71 | crate enum_validator: Box Result<()>>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&DeriveGenerator, Enum) -> Result<()>` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/generator.rs:72:33 [INFO] [stderr] | [INFO] [stderr] 72 | crate struct_validator: Box Result<()>>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&DeriveGenerator, Struct) -> Result<()>` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/generator.rs:73:35 [INFO] [stderr] | [INFO] [stderr] 73 | crate generics_validator: Box Result<()>>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&DeriveGenerator, &::syn::Generics) -> Result<()>` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/generator.rs:74:33 [INFO] [stderr] | [INFO] [stderr] 74 | crate fields_validator: Box Result<()>>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&DeriveGenerator, Fields) -> Result<()>` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/generator.rs:75:43 [INFO] [stderr] | [INFO] [stderr] 75 | crate type_generic_mapper: Option TokenStream2>>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&DeriveGenerator, &syn::Ident, &syn::TypeParam) -> TokenStream2` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/generator.rs:77:30 [INFO] [stderr] | [INFO] [stderr] 77 | crate functions: Vec TokenStream2>>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&DeriveGenerator, TokenStream2) -> TokenStream2` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/generator.rs:78:33 [INFO] [stderr] | [INFO] [stderr] 78 | crate enum_mappers: Vec MapResult>>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&DeriveGenerator, Enum) -> MapResult` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/generator.rs:79:35 [INFO] [stderr] | [INFO] [stderr] 79 | crate struct_mappers: Vec MapResult>>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&DeriveGenerator, Struct) -> MapResult` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/generator.rs:80:36 [INFO] [stderr] | [INFO] [stderr] 80 | crate variant_mappers: Vec MapResult>>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&DeriveGenerator, Variant) -> MapResult` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/generator.rs:81:35 [INFO] [stderr] | [INFO] [stderr] 81 | crate fields_mappers: Vec MapResult>>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&DeriveGenerator, Fields) -> MapResult` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/generator.rs:82:34 [INFO] [stderr] | [INFO] [stderr] 82 | crate field_mappers: Vec MapResult>>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&DeriveGenerator, Field) -> MapResult` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/generator.rs:55:42 [INFO] [stderr] | [INFO] [stderr] 55 | pub fn $get_f(&self) -> &Box MapResult> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&DeriveGenerator, $type) -> MapResult` [INFO] [stderr] ... [INFO] [stderr] 193 | / mappers! { [INFO] [stderr] 194 | | (map_struct, try_map_struct, struct_mapper): Struct, struct_mappers, [INFO] [stderr] 195 | | (map_enum, try_map_enum, enum_mapper): Enum, enum_mappers, [INFO] [stderr] 196 | | (map_variant, try_map_variant, variant_mapper): Variant, variant_mappers, [INFO] [stderr] 197 | | (map_fields, try_map_fields, fields_mapper): Fields, fields_mappers, [INFO] [stderr] 198 | | (map_field, try_map_field, field_mapper): Field, field_mappers [INFO] [stderr] 199 | | } [INFO] [stderr] | |_____- in this macro invocation [INFO] [stderr] [INFO] [stderr] error: aborting due to 3 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: Could not compile `devise_core`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "3ee7fddf5002dd0e23683ae88051e9401644a9b9755bde5b385387a3cbd4b695"` [INFO] running `"docker" "rm" "-f" "3ee7fddf5002dd0e23683ae88051e9401644a9b9755bde5b385387a3cbd4b695"` [INFO] [stdout] 3ee7fddf5002dd0e23683ae88051e9401644a9b9755bde5b385387a3cbd4b695