[INFO] fetching crate darling_core 0.9.0...
[INFO] extracting crate darling_core 0.9.0 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/darling_core/0.9.0
[INFO] extracting crate darling_core 0.9.0 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/darling_core/0.9.0
[INFO] validating manifest of darling_core-0.9.0 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of darling_core-0.9.0 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing darling_core-0.9.0
[INFO] finished frobbing darling_core-0.9.0
[INFO] frobbed toml for darling_core-0.9.0 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/darling_core/0.9.0/Cargo.toml
[INFO] started frobbing darling_core-0.9.0
[INFO] finished frobbing darling_core-0.9.0
[INFO] frobbed toml for darling_core-0.9.0 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/darling_core/0.9.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing darling_core-0.9.0 against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/darling_core/0.9.0:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] 8e3ba17785241cd9e463dcb1e3b020826dd831d49d8b86417ae1c28b2fa16c40
[INFO] running `"docker" "start" "-a" "8e3ba17785241cd9e463dcb1e3b020826dd831d49d8b86417ae1c28b2fa16c40"`
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling darling_core v0.9.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/error/mod.rs:358:32
[INFO] [stderr]     |
[INFO] [stderr] 358 |     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: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/options/shape.rs:137:20
[INFO] [stderr]     |
[INFO] [stderr] 137 |         match word.trim_left_matches(self.prefix) {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]    --> src/options/shape.rs:191:34
[INFO] [stderr]     |
[INFO] [stderr] 191 |             let ty = self.prefix.trim_right_matches('_');
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/codegen/outer_from_impl.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 |     for mut param in generics.params.iter_mut() {
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.26s
[INFO] running `"docker" "inspect" "8e3ba17785241cd9e463dcb1e3b020826dd831d49d8b86417ae1c28b2fa16c40"`
[INFO] running `"docker" "rm" "-f" "8e3ba17785241cd9e463dcb1e3b020826dd831d49d8b86417ae1c28b2fa16c40"`
[INFO] [stdout] 8e3ba17785241cd9e463dcb1e3b020826dd831d49d8b86417ae1c28b2fa16c40
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/darling_core/0.9.0:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3cecb386a97f62752c2715b432717aab0cbde3ec8646413c2b4f4a5c6fa08c22
[INFO] running `"docker" "start" "-a" "3cecb386a97f62752c2715b432717aab0cbde3ec8646413c2b4f4a5c6fa08c22"`
[INFO] [stderr]    Compiling darling_core v0.9.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/error/mod.rs:358:32
[INFO] [stderr]     |
[INFO] [stderr] 358 |     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: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/options/shape.rs:137:20
[INFO] [stderr]     |
[INFO] [stderr] 137 |         match word.trim_left_matches(self.prefix) {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]    --> src/options/shape.rs:191:34
[INFO] [stderr]     |
[INFO] [stderr] 191 |             let ty = self.prefix.trim_right_matches('_');
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/codegen/outer_from_impl.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 |     for mut param in generics.params.iter_mut() {
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.37s
[INFO] running `"docker" "inspect" "3cecb386a97f62752c2715b432717aab0cbde3ec8646413c2b4f4a5c6fa08c22"`
[INFO] running `"docker" "rm" "-f" "3cecb386a97f62752c2715b432717aab0cbde3ec8646413c2b4f4a5c6fa08c22"`
[INFO] [stdout] 3cecb386a97f62752c2715b432717aab0cbde3ec8646413c2b4f4a5c6fa08c22
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/darling_core/0.9.0:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"`
[INFO] [stdout] f6c05828fb2bb1e50fbed86ce193b688bae4a1a0c649a0e8f5c491e8a14ce5bf
[INFO] running `"docker" "start" "-a" "f6c05828fb2bb1e50fbed86ce193b688bae4a1a0c649a0e8f5c491e8a14ce5bf"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/darling_core-4791301c45ff7a76
[INFO] [stdout] 
[INFO] [stdout] running 33 tests
[INFO] [stdout] test error::tests::flatten_noop ... ok
[INFO] [stdout] test error::tests::flatten_simple ... ok
[INFO] [stdout] test error::tests::len_nested ... ok
[INFO] [stdout] test error::tests::len_multiple ... ok
[INFO] [stdout] test ast::generics::tests::generics ... ok
[INFO] [stdout] test from_meta::tests::darling_result_succeeds ... ok
[INFO] [stdout] test from_meta::tests::bool_succeeds ... ok
[INFO] [stdout] test from_meta::tests::float_without_quotes ... ok
[INFO] [stdout] test from_meta::tests::hash_map_succeeds ... ok
[INFO] [stdout] test error::tests::len_single ... ok
[INFO] [stdout] test from_meta::tests::int_without_quotes ... ok
[INFO] [stdout] test from_meta::tests::hash_map_duplicate ... ok
[INFO] [stdout] test from_meta::tests::number_succeeds ... ok
[INFO] [stdout] test options::shape::tests::supports_any ... ok
[INFO] [stdout] test options::shape::tests::supports_mixed ... ok
[INFO] [stdout] test from_meta::tests::meta_succeeds ... ok
[INFO] [stdout] test options::shape::tests::supports_struct ... ok
[INFO] [stdout] test from_meta::tests::string_succeeds ... ok
[INFO] [stdout] test usage::lifetimes::tests::qself ... ok
[INFO] [stdout] test usage::type_params::tests::finds_named ... ok
[INFO] [stdout] test usage::type_params::tests::associated_type ... ok
[INFO] [stdout] test usage::lifetimes::tests::struct_named ... ok
[INFO] [stdout] test from_meta::tests::unit_succeeds ... ok
[INFO] [stdout] test util::ident_list::tests::fails_non_word ... ok
[INFO] [stdout] test usage::type_params::tests::finds_as_type_arg ... ok
[INFO] [stdout] test usage::type_params::tests::box_fn_input ... ok
[INFO] [stdout] test usage::type_params::tests::box_fn_output ... ok
[INFO] [stdout] test usage::type_params::tests::qself_vec ... ok
[INFO] [stdout] test usage::type_params::tests::finds_simple ... ok
[INFO] [stdout] test util::ident_list::tests::succeeds ... ok
[INFO] [stdout] test util::ident_string::tests::convert ... ok
[INFO] [stdout] test util::spanned_value::tests::deref ... ok
[INFO] [stdout] test util::ident_string::tests::map_transform ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 33 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests darling_core
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/error/mod.rs - error::Error::write_errors (line 264) ... ignored
[INFO] [stdout] test src/options/shape.rs - options::shape::Shape (line 19) ... ignored
[INFO] [stdout] test src/usage/mod.rs - usage (line 71) ... ignored
[INFO] [stdout] test src/util/ident_list.rs - util::ident_list::IdentList (line 14) ... ignored
[INFO] [stdout] test src/util/over_ride.rs - util::over_ride::Override (line 19) ... ignored
[INFO] [stdout] test src/usage/mod.rs - usage (line 13) ... ok
[INFO] [stdout] test src/macros_public.rs - uses_type_params (line 13) ... ok
[INFO] [stdout] test src/error/mod.rs - error::Error::unexpected_lit_type (line 101) ... ok
[INFO] [stdout] test src/usage/options.rs - usage::options::Options (line 31) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 5 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "f6c05828fb2bb1e50fbed86ce193b688bae4a1a0c649a0e8f5c491e8a14ce5bf"`
[INFO] running `"docker" "rm" "-f" "f6c05828fb2bb1e50fbed86ce193b688bae4a1a0c649a0e8f5c491e8a14ce5bf"`
[INFO] [stdout] f6c05828fb2bb1e50fbed86ce193b688bae4a1a0c649a0e8f5c491e8a14ce5bf