[INFO] crate serde_derive_state 0.4.6 is already in cache
[INFO] extracting crate serde_derive_state 0.4.6 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/serde_derive_state/0.4.6
[INFO] extracting crate serde_derive_state 0.4.6 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/serde_derive_state/0.4.6
[INFO] validating manifest of serde_derive_state-0.4.6 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of serde_derive_state-0.4.6 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing serde_derive_state-0.4.6
[INFO] finished frobbing serde_derive_state-0.4.6
[INFO] frobbed toml for serde_derive_state-0.4.6 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/serde_derive_state/0.4.6/Cargo.toml
[INFO] started frobbing serde_derive_state-0.4.6
[INFO] finished frobbing serde_derive_state-0.4.6
[INFO] frobbed toml for serde_derive_state-0.4.6 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/serde_derive_state/0.4.6/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking serde_derive_state-0.4.6 against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-0/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/serde_derive_state/0.4.6:/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8b64e8c6ca423d1255876b3d06f15442562fb0460973c2111788d076d8d5b444
[INFO] running `"docker" "start" "-a" "8b64e8c6ca423d1255876b3d06f15442562fb0460973c2111788d076d8d5b444"`
[INFO] [stderr]     Checking syn v0.15.44
[INFO] [stderr]     Checking serde_derive_state v0.4.6 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `deserialize_tuple_in_place`
[INFO] [stderr]    --> src/de.rs:568:1
[INFO] [stderr]     |
[INFO] [stderr] 568 | / fn deserialize_tuple_in_place(
[INFO] [stderr] 569 | |     variant_ident: Option<syn::Ident>,
[INFO] [stderr] 570 | |     params: &Parameters,
[INFO] [stderr] 571 | |     fields: &[Field],
[INFO] [stderr] ...   |
[INFO] [stderr] 653 | |     }
[INFO] [stderr] 654 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `deserialize_seq_in_place`
[INFO] [stderr]    --> src/de.rs:749:1
[INFO] [stderr]     |
[INFO] [stderr] 749 | / fn deserialize_seq_in_place(
[INFO] [stderr] 750 | |     params: &Parameters,
[INFO] [stderr] 751 | |     fields: &[Field],
[INFO] [stderr] 752 | |     cattrs: &attr::Container,
[INFO] [stderr] ...   |
[INFO] [stderr] 836 | |     }
[INFO] [stderr] 837 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `deserialize_newtype_struct_in_place`
[INFO] [stderr]    --> src/de.rs:874:1
[INFO] [stderr]     |
[INFO] [stderr] 874 | fn deserialize_newtype_struct_in_place(params: &Parameters, field: &Field) -> TokenStream {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `deserialize_struct_in_place`
[INFO] [stderr]     --> src/de.rs:1067:1
[INFO] [stderr]      |
[INFO] [stderr] 1067 | / fn deserialize_struct_in_place(
[INFO] [stderr] 1068 | |     variant_ident: Option<syn::Ident>,
[INFO] [stderr] 1069 | |     params: &Parameters,
[INFO] [stderr] 1070 | |     fields: &[Field],
[INFO] [stderr] ...    |
[INFO] [stderr] 1172 | |     })
[INFO] [stderr] 1173 | | }
[INFO] [stderr]      | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `deserialize_struct_as_struct_in_place_visitor`
[INFO] [stderr]     --> src/de.rs:2601:1
[INFO] [stderr]      |
[INFO] [stderr] 2601 | / fn deserialize_struct_as_struct_in_place_visitor(
[INFO] [stderr] 2602 | |     params: &Parameters,
[INFO] [stderr] 2603 | |     fields: &[Field],
[INFO] [stderr] 2604 | |     cattrs: &attr::Container,
[INFO] [stderr] ...    |
[INFO] [stderr] 2632 | |     (field_visitor, fields_stmt, visit_map)
[INFO] [stderr] 2633 | | }
[INFO] [stderr]      | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `deserialize_map_in_place`
[INFO] [stderr]     --> src/de.rs:2635:1
[INFO] [stderr]      |
[INFO] [stderr] 2635 | / fn deserialize_map_in_place(
[INFO] [stderr] 2636 | |     params: &Parameters,
[INFO] [stderr] 2637 | |     fields: &[Field],
[INFO] [stderr] 2638 | |     cattrs: &attr::Container,
[INFO] [stderr] ...    |
[INFO] [stderr] 2783 | |     }
[INFO] [stderr] 2784 | | }
[INFO] [stderr]      | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `InPlaceImplGenerics`
[INFO] [stderr]     --> src/de.rs:3007:1
[INFO] [stderr]      |
[INFO] [stderr] 3007 | struct InPlaceImplGenerics<'a>(&'a Parameters);
[INFO] [stderr]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `in_place`
[INFO] [stderr]     --> src/de.rs:3044:5
[INFO] [stderr]      |
[INFO] [stderr] 3044 |     fn in_place(self) -> InPlaceImplGenerics<'a> {
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `InPlaceTypeGenerics`
[INFO] [stderr]     --> src/de.rs:3079:1
[INFO] [stderr]      |
[INFO] [stderr] 3079 | struct InPlaceTypeGenerics<'a>(&'a Parameters);
[INFO] [stderr]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `in_place`
[INFO] [stderr]     --> src/de.rs:3102:5
[INFO] [stderr]      |
[INFO] [stderr] 3102 |     fn in_place(self) -> InPlaceTypeGenerics<'a> {
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `deserialize_tuple_in_place`
[INFO] [stderr]    --> src/de.rs:568:1
[INFO] [stderr]     |
[INFO] [stderr] 568 | / fn deserialize_tuple_in_place(
[INFO] [stderr] 569 | |     variant_ident: Option<syn::Ident>,
[INFO] [stderr] 570 | |     params: &Parameters,
[INFO] [stderr] 571 | |     fields: &[Field],
[INFO] [stderr] ...   |
[INFO] [stderr] 653 | |     }
[INFO] [stderr] 654 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `deserialize_seq_in_place`
[INFO] [stderr]    --> src/de.rs:749:1
[INFO] [stderr]     |
[INFO] [stderr] 749 | / fn deserialize_seq_in_place(
[INFO] [stderr] 750 | |     params: &Parameters,
[INFO] [stderr] 751 | |     fields: &[Field],
[INFO] [stderr] 752 | |     cattrs: &attr::Container,
[INFO] [stderr] ...   |
[INFO] [stderr] 836 | |     }
[INFO] [stderr] 837 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `deserialize_newtype_struct_in_place`
[INFO] [stderr]    --> src/de.rs:874:1
[INFO] [stderr]     |
[INFO] [stderr] 874 | fn deserialize_newtype_struct_in_place(params: &Parameters, field: &Field) -> TokenStream {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `deserialize_struct_in_place`
[INFO] [stderr]     --> src/de.rs:1067:1
[INFO] [stderr]      |
[INFO] [stderr] 1067 | / fn deserialize_struct_in_place(
[INFO] [stderr] 1068 | |     variant_ident: Option<syn::Ident>,
[INFO] [stderr] 1069 | |     params: &Parameters,
[INFO] [stderr] 1070 | |     fields: &[Field],
[INFO] [stderr] ...    |
[INFO] [stderr] 1172 | |     })
[INFO] [stderr] 1173 | | }
[INFO] [stderr]      | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `deserialize_struct_as_struct_in_place_visitor`
[INFO] [stderr]     --> src/de.rs:2601:1
[INFO] [stderr]      |
[INFO] [stderr] 2601 | / fn deserialize_struct_as_struct_in_place_visitor(
[INFO] [stderr] 2602 | |     params: &Parameters,
[INFO] [stderr] 2603 | |     fields: &[Field],
[INFO] [stderr] 2604 | |     cattrs: &attr::Container,
[INFO] [stderr] ...    |
[INFO] [stderr] 2632 | |     (field_visitor, fields_stmt, visit_map)
[INFO] [stderr] 2633 | | }
[INFO] [stderr]      | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `deserialize_map_in_place`
[INFO] [stderr]     --> src/de.rs:2635:1
[INFO] [stderr]      |
[INFO] [stderr] 2635 | / fn deserialize_map_in_place(
[INFO] [stderr] 2636 | |     params: &Parameters,
[INFO] [stderr] 2637 | |     fields: &[Field],
[INFO] [stderr] 2638 | |     cattrs: &attr::Container,
[INFO] [stderr] ...    |
[INFO] [stderr] 2783 | |     }
[INFO] [stderr] 2784 | | }
[INFO] [stderr]      | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `InPlaceImplGenerics`
[INFO] [stderr]     --> src/de.rs:3007:1
[INFO] [stderr]      |
[INFO] [stderr] 3007 | struct InPlaceImplGenerics<'a>(&'a Parameters);
[INFO] [stderr]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `in_place`
[INFO] [stderr]     --> src/de.rs:3044:5
[INFO] [stderr]      |
[INFO] [stderr] 3044 |     fn in_place(self) -> InPlaceImplGenerics<'a> {
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `InPlaceTypeGenerics`
[INFO] [stderr]     --> src/de.rs:3079:1
[INFO] [stderr]      |
[INFO] [stderr] 3079 | struct InPlaceTypeGenerics<'a>(&'a Parameters);
[INFO] [stderr]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `in_place`
[INFO] [stderr]     --> src/de.rs:3102:5
[INFO] [stderr]      |
[INFO] [stderr] 3102 |     fn in_place(self) -> InPlaceTypeGenerics<'a> {
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.77s
[INFO] running `"docker" "inspect" "8b64e8c6ca423d1255876b3d06f15442562fb0460973c2111788d076d8d5b444"`
[INFO] running `"docker" "rm" "-f" "8b64e8c6ca423d1255876b3d06f15442562fb0460973c2111788d076d8d5b444"`
[INFO] [stdout] 8b64e8c6ca423d1255876b3d06f15442562fb0460973c2111788d076d8d5b444