[INFO] crate evitable-syn-meta-ext 0.2.0 is already in cache
[INFO] extracting crate evitable-syn-meta-ext 0.2.0 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/evitable-syn-meta-ext/0.2.0
[INFO] extracting crate evitable-syn-meta-ext 0.2.0 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/evitable-syn-meta-ext/0.2.0
[INFO] validating manifest of evitable-syn-meta-ext-0.2.0 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 evitable-syn-meta-ext-0.2.0 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 evitable-syn-meta-ext-0.2.0
[INFO] finished frobbing evitable-syn-meta-ext-0.2.0
[INFO] frobbed toml for evitable-syn-meta-ext-0.2.0 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/evitable-syn-meta-ext/0.2.0/Cargo.toml
[INFO] started frobbing evitable-syn-meta-ext-0.2.0
[INFO] finished frobbing evitable-syn-meta-ext-0.2.0
[INFO] frobbed toml for evitable-syn-meta-ext-0.2.0 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/evitable-syn-meta-ext/0.2.0/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 evitable-syn-meta-ext-0.2.0 against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-5/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/evitable-syn-meta-ext/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=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] 438a6f924d74a49a99dff77870173ebb12e9be88691de340d879bade1a04f465
[INFO] running `"docker" "start" "-a" "438a6f924d74a49a99dff77870173ebb12e9be88691de340d879bade1a04f465"`
[INFO] [stderr]     Checking ident_case v1.0.1
[INFO] [stderr]     Checking evitable-syn-meta-ext v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/error/mod.rs:253:30
[INFO] [stderr]     |
[INFO] [stderr] 253 |   fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]     |                              ^^^^^^^^ help: use `dyn`: `dyn StdError`
[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/error/mod.rs:253:30
[INFO] [stderr]     |
[INFO] [stderr] 253 |   fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]     |                              ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]  --> src/ast.rs:6:17
[INFO] [stderr]   |
[INFO] [stderr] 6 |   fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
[INFO] [stderr]   |                 ^ help: consider prefixing with an underscore: `_f`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `attrs`
[INFO] [stderr]   --> src/from_derive_input.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     attrs: &Vec<Attribute>,
[INFO] [stderr]    |     ^^^^^ help: consider prefixing with an underscore: `_attrs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vis`
[INFO] [stderr]   --> src/from_derive_input.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     vis: &Visibility,
[INFO] [stderr]    |     ^^^ help: consider prefixing with an underscore: `_vis`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ident`
[INFO] [stderr]   --> src/from_derive_input.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     ident: &Ident,
[INFO] [stderr]    |     ^^^^^ help: consider prefixing with an underscore: `_ident`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `generics`
[INFO] [stderr]   --> src/from_derive_input.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     generics: &Generics,
[INFO] [stderr]    |     ^^^^^^^^ help: consider prefixing with an underscore: `_generics`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/from_derive_input.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     input: &DataUnion,
[INFO] [stderr]    |     ^^^^^ help: consider prefixing with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `attrs`
[INFO] [stderr]   --> src/from_derive_input.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     attrs: &Vec<Attribute>,
[INFO] [stderr]    |     ^^^^^ help: consider prefixing with an underscore: `_attrs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vis`
[INFO] [stderr]   --> src/from_derive_input.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     vis: &Visibility,
[INFO] [stderr]    |     ^^^ help: consider prefixing with an underscore: `_vis`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ident`
[INFO] [stderr]   --> src/from_derive_input.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     ident: &Ident,
[INFO] [stderr]    |     ^^^^^ help: consider prefixing with an underscore: `_ident`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `generics`
[INFO] [stderr]   --> src/from_derive_input.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     generics: &Generics,
[INFO] [stderr]    |     ^^^^^^^^ help: consider prefixing with an underscore: `_generics`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/from_derive_input.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     input: &DataEnum,
[INFO] [stderr]    |     ^^^^^ help: consider prefixing with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `attrs`
[INFO] [stderr]   --> src/from_derive_input.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     attrs: &Vec<Attribute>,
[INFO] [stderr]    |     ^^^^^ help: consider prefixing with an underscore: `_attrs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vis`
[INFO] [stderr]   --> src/from_derive_input.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     vis: &Visibility,
[INFO] [stderr]    |     ^^^ help: consider prefixing with an underscore: `_vis`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ident`
[INFO] [stderr]   --> src/from_derive_input.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     ident: &Ident,
[INFO] [stderr]    |     ^^^^^ help: consider prefixing with an underscore: `_ident`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `generics`
[INFO] [stderr]   --> src/from_derive_input.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     generics: &Generics,
[INFO] [stderr]    |     ^^^^^^^^ help: consider prefixing with an underscore: `_generics`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/from_derive_input.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     input: &DataStruct,
[INFO] [stderr]    |     ^^^^^ help: consider prefixing with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]  --> src/ast.rs:6:17
[INFO] [stderr]   |
[INFO] [stderr] 6 |   fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
[INFO] [stderr]   |                 ^ help: consider prefixing with an underscore: `_f`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `attrs`
[INFO] [stderr]   --> src/from_derive_input.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     attrs: &Vec<Attribute>,
[INFO] [stderr]    |     ^^^^^ help: consider prefixing with an underscore: `_attrs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vis`
[INFO] [stderr]   --> src/from_derive_input.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     vis: &Visibility,
[INFO] [stderr]    |     ^^^ help: consider prefixing with an underscore: `_vis`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ident`
[INFO] [stderr]   --> src/from_derive_input.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     ident: &Ident,
[INFO] [stderr]    |     ^^^^^ help: consider prefixing with an underscore: `_ident`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `generics`
[INFO] [stderr]   --> src/from_derive_input.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     generics: &Generics,
[INFO] [stderr]    |     ^^^^^^^^ help: consider prefixing with an underscore: `_generics`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/from_derive_input.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     input: &DataUnion,
[INFO] [stderr]    |     ^^^^^ help: consider prefixing with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `attrs`
[INFO] [stderr]   --> src/from_derive_input.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     attrs: &Vec<Attribute>,
[INFO] [stderr]    |     ^^^^^ help: consider prefixing with an underscore: `_attrs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vis`
[INFO] [stderr]   --> src/from_derive_input.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     vis: &Visibility,
[INFO] [stderr]    |     ^^^ help: consider prefixing with an underscore: `_vis`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ident`
[INFO] [stderr]   --> src/from_derive_input.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     ident: &Ident,
[INFO] [stderr]    |     ^^^^^ help: consider prefixing with an underscore: `_ident`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `generics`
[INFO] [stderr]   --> src/from_derive_input.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     generics: &Generics,
[INFO] [stderr]    |     ^^^^^^^^ help: consider prefixing with an underscore: `_generics`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/from_derive_input.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     input: &DataEnum,
[INFO] [stderr]    |     ^^^^^ help: consider prefixing with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `attrs`
[INFO] [stderr]   --> src/from_derive_input.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     attrs: &Vec<Attribute>,
[INFO] [stderr]    |     ^^^^^ help: consider prefixing with an underscore: `_attrs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vis`
[INFO] [stderr]   --> src/from_derive_input.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     vis: &Visibility,
[INFO] [stderr]    |     ^^^ help: consider prefixing with an underscore: `_vis`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ident`
[INFO] [stderr]   --> src/from_derive_input.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     ident: &Ident,
[INFO] [stderr]    |     ^^^^^ help: consider prefixing with an underscore: `_ident`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `generics`
[INFO] [stderr]   --> src/from_derive_input.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     generics: &Generics,
[INFO] [stderr]    |     ^^^^^^^^ help: consider prefixing with an underscore: `_generics`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/from_derive_input.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     input: &DataStruct,
[INFO] [stderr]    |     ^^^^^ help: consider prefixing with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `"docker" "inspect" "438a6f924d74a49a99dff77870173ebb12e9be88691de340d879bade1a04f465"`
[INFO] running `"docker" "rm" "-f" "438a6f924d74a49a99dff77870173ebb12e9be88691de340d879bade1a04f465"`
[INFO] [stdout] 438a6f924d74a49a99dff77870173ebb12e9be88691de340d879bade1a04f465