[INFO] fetching crate darling_core 0.21.3...
[INFO] testing darling_core-0.21.3 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate darling_core 0.21.3 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate darling_core 0.21.3
[INFO] finished tweaking crates.io crate darling_core 0.21.3
[INFO] tweaked toml for crates.io crate darling_core 0.21.3 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate darling_core 0.21.3 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate darling_core 0.21.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93859739f72a5f1b0feb0529702d70c6fa9b02285412bb66b91d405bdfbafd78
[INFO] running `Command { std: "docker" "start" "-a" "93859739f72a5f1b0feb0529702d70c6fa9b02285412bb66b91d405bdfbafd78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93859739f72a5f1b0feb0529702d70c6fa9b02285412bb66b91d405bdfbafd78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93859739f72a5f1b0feb0529702d70c6fa9b02285412bb66b91d405bdfbafd78", kill_on_drop: false }`
[INFO] [stdout] 93859739f72a5f1b0feb0529702d70c6fa9b02285412bb66b91d405bdfbafd78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88329ff428a2daf4c3412255edd0387e0f7ea5540030972fe3a1e08b89f830a9
[INFO] running `Command { std: "docker" "start" "-a" "88329ff428a2daf4c3412255edd0387e0f7ea5540030972fe3a1e08b89f830a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.97
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.56
[INFO] [stderr]    Compiling darling_core v0.21.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.72s
[INFO] running `Command { std: "docker" "inspect" "88329ff428a2daf4c3412255edd0387e0f7ea5540030972fe3a1e08b89f830a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88329ff428a2daf4c3412255edd0387e0f7ea5540030972fe3a1e08b89f830a9", kill_on_drop: false }`
[INFO] [stdout] 88329ff428a2daf4c3412255edd0387e0f7ea5540030972fe3a1e08b89f830a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2b69d0c5d6a1bb2d6d921159b38f87bf7728014d83a4c56e643bd189983435b
[INFO] running `Command { std: "docker" "start" "-a" "e2b69d0c5d6a1bb2d6d921159b38f87bf7728014d83a4c56e643bd189983435b", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling serde_json v1.0.142
[INFO] [stderr]    Compiling darling_core v0.21.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 10.24s
[INFO] running `Command { std: "docker" "inspect" "e2b69d0c5d6a1bb2d6d921159b38f87bf7728014d83a4c56e643bd189983435b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2b69d0c5d6a1bb2d6d921159b38f87bf7728014d83a4c56e643bd189983435b", kill_on_drop: false }`
[INFO] [stdout] e2b69d0c5d6a1bb2d6d921159b38f87bf7728014d83a4c56e643bd189983435b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6e1fdd9fe4fd1893e2665456a6cc3e9743742fdef300683d2c18b373638bf375
[INFO] running `Command { std: "docker" "start" "-a" "6e1fdd9fe4fd1893e2665456a6cc3e9743742fdef300683d2c18b373638bf375", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/darling_core-5acbee605ed967fa)
[INFO] [stdout] 
[INFO] [stdout] running 86 tests
[INFO] [stdout] test ast::data::tests::test_fields_to_tokens_struct ... ok
[INFO] [stdout] test ast::data::tests::test_fields_to_tokens_tuple ... ok
[INFO] [stdout] test ast::generics::tests::generics ... ok
[INFO] [stdout] test error::kind::tests::present_few_alts ... ok
[INFO] [stdout] test error::tests::accum_checkpoint_error ... ok
[INFO] [stdout] test error::tests::accum_errr ... ok
[INFO] [stdout] test error::tests::accum_ok ... ok
[INFO] [stdout] test error::tests::accum_into_inner ... ok
[INFO] [stdout] test ast::data::tests::test_style_eq ... ok
[INFO] [stdout] test error::tests::flatten_noop ... ok
[INFO] [stdout] test error::tests::len_multiple ... ok
[INFO] [stdout] test error::tests::len_nested ... ok
[INFO] [stdout] test error::tests::flatten_simple ... ok
[INFO] [stdout] test from_meta::tests::bool_succeeds ... ok
[INFO] [stdout] test error::tests::len_single ... ok
[INFO] [stdout] test from_meta::tests::btree_map_ident_succeeds ... ok
[INFO] [stdout] test from_meta::tests::btree_map_duplicate ... ok
[INFO] [stdout] test from_meta::tests::btree_map_expr_values_succeed ... ok
[INFO] [stdout] test from_meta::tests::char_succeeds ... ok
[INFO] [stdout] test from_meta::tests::btree_map_ident_rejects_non_idents ... ok
[INFO] [stdout] test from_meta::tests::btree_map_multiple_errors ... ok
[INFO] [stdout] test from_meta::tests::btree_map_succeeds ... ok
[INFO] [stdout] test error::kind::tests::present_no_alts ... ok
[INFO] [stdout] test error::tests::accum_drop_panic - should panic ... ok
[INFO] [stdout] test error::tests::accum_drop_panic_with_error_count - should panic ... ok
[INFO] [stdout] test error::tests::accum_checkpoint_drop_panic - should panic ... ok
[INFO] [stdout] test from_meta::tests::darling_result_succeeds ... ok
[INFO] [stdout] test from_meta::tests::float_without_quotes ... ok
[INFO] [stdout] test from_meta::tests::hash_map_duplicate ... ok
[INFO] [stdout] test from_meta::tests::hash_map_multiple_errors ... ok
[INFO] [stdout] test from_meta::tests::expr_range_without_quotes ... ok
[INFO] [stdout] test from_meta::tests::hash_map_ident_succeeds ... ok
[INFO] [stdout] test from_meta::tests::hash_map_ident_rejects_non_idents ... ok
[INFO] [stdout] test from_meta::tests::meta_succeeds ... ok
[INFO] [stdout] test from_meta::tests::int_without_quotes ... ok
[INFO] [stdout] test from_meta::tests::hash_map_path_succeeds ... ok
[INFO] [stdout] test from_meta::tests::hash_map_succeeds ... ok
[INFO] [stdout] test from_meta::tests::nonzero_number_succeeds ... ok
[INFO] [stdout] test from_meta::tests::pathbuf_succeeds ... ok
[INFO] [stdout] test from_meta::tests::string_succeeds ... ok
[INFO] [stdout] test from_meta::tests::test_expr_array ... ok
[INFO] [stdout] test from_meta::tests::test_expr ... ok
[INFO] [stdout] test from_meta::tests::test_expr_path_without_quotes ... ok
[INFO] [stdout] test from_meta::tests::test_expr_path ... ok
[INFO] [stdout] test from_meta::tests::test_expr_without_quotes ... ok
[INFO] [stdout] test from_meta::tests::number_succeeds ... ok
[INFO] [stdout] test from_meta::tests::test_lit_array ... ok
[INFO] [stdout] test from_meta::tests::nonzero_number_fails - should panic ... ok
[INFO] [stdout] test options::shape::tests::supports_any ... ok
[INFO] [stdout] test options::shape::tests::supports_mixed ... ok
[INFO] [stdout] test options::shape::tests::supports_struct ... ok
[INFO] [stdout] test from_meta::tests::test_punctuated ... ok
[INFO] [stdout] test usage::lifetimes::tests::qself ... ok
[INFO] [stdout] test from_meta::tests::test_path_without_quotes ... ok
[INFO] [stdout] test from_meta::tests::too_large_int_produces_error ... ok
[INFO] [stdout] test from_meta::tests::negative_int_without_quotes ... ok
[INFO] [stdout] test from_meta::tests::unit_fails - should panic ... ok
[INFO] [stdout] test from_meta::tests::unit_succeeds ... ok
[INFO] [stdout] test from_meta::tests::test_number_array ... ok
[INFO] [stdout] test usage::lifetimes::tests::struct_named ... ok
[INFO] [stdout] test usage::type_params::tests::associated_type ... 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::finds_simple ... ok
[INFO] [stdout] test util::ident_string::tests::map_transform ... ok
[INFO] [stdout] test util::parse_attribute::tests::parse_list ... ok
[INFO] [stdout] test util::parse_attribute::tests::parse_name_value_error_includes_example ... ok
[INFO] [stdout] test usage::type_params::tests::finds_named ... ok
[INFO] [stdout] test util::ident_string::tests::convert ... ok
[INFO] [stdout] test usage::type_params::tests::finds_as_type_arg ... ok
[INFO] [stdout] test usage::type_params::tests::qself_vec ... ok
[INFO] [stdout] test util::parse_attribute::tests::parse_name_value_returns_error ... ok
[INFO] [stdout] test util::parse_expr::tests::preserve_binary_exp ... ok
[INFO] [stdout] test util::path_list::tests::succeeds ... ok
[INFO] [stdout] test util::path_list::tests::fails_non_word ... ok
[INFO] [stdout] test util::parse_attribute::tests::parse_path_returns_empty_list ... ok
[INFO] [stdout] test util::path_to_string::tests::simple_ident ... ok
[INFO] [stdout] test util::path_list::tests::intersection ... ok
[INFO] [stdout] test util::path_to_string::tests::simple_path ... ok
[INFO] [stdout] test util::preserved_str_expr::tests::preserved_str_expr_from_meta ... ok
[INFO] [stdout] test util::shape::tests::any_accepts_anything ... ok
[INFO] [stdout] test util::shape::tests::tuple_accepts_newtype ... ok
[INFO] [stdout] test util::spanned_value::tests::deref ... ok
[INFO] [stdout] test util::shape::tests::newtype_rejects_tuple ... ok
[INFO] [stdout] test util::parse_expr::tests::parse_ident ... ok
[INFO] [stderr]    Doc-tests darling_core
[INFO] [stdout] test util::parse_expr::tests::preserve_str ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 86 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test src/error/mod.rs - error::Accumulator::checkpoint (line 890) ... ignored
[INFO] [stdout] test src/error/mod.rs - error::Error::write_errors (line 518) ... ignored
[INFO] [stdout] test src/from_attributes.rs - from_attributes::FromAttributes::from_attributes (line 16) ... ignored
[INFO] [stdout] test src/options/shape.rs - options::shape::DeriveInputShapeSet (line 15) ... ignored
[INFO] [stdout] test src/usage/mod.rs - usage (line 71) ... ignored
[INFO] [stdout] test src/util/flag.rs - util::flag::Flag (line 19) ... ignored
[INFO] [stdout] test src/util/flag.rs - util::flag::Flag (line 40) ... ignored
[INFO] [stdout] test src/util/over_ride.rs - util::over_ride::Override (line 20) ... ignored
[INFO] [stdout] test src/util/path_list.rs - util::path_list::PathList (line 16) ... ignored
[INFO] [stdout] test src/util/preserved_str_expr.rs - util::preserved_str_expr::PreservedStrExpr (line 17) ... ignored
[INFO] [stdout] test src/macros_public.rs - macros_public::uses_type_params (line 13) ... ok
[INFO] [stdout] test src/error/mod.rs - error::Error::unexpected_lit_type (line 227) ... ok
[INFO] [stdout] test src/usage/mod.rs - usage (line 13) ... ok
[INFO] [stdout] test src/error/mod.rs - error::Accumulator (line 800) ... ok
[INFO] [stdout] test src/util/shape.rs - util::shape::ShapeSet (line 100) ... ok
[INFO] [stdout] test src/util/path_to_string.rs - util::path_to_string::path_to_string (line 8) ... ok
[INFO] [stdout] test src/error/mod.rs - error::Accumulator::checkpoint (line 901) ... ok
[INFO] [stdout] test src/usage/options.rs - usage::options::Options (line 31) ... ok
[INFO] [stdout] test src/util/shape.rs - util::shape::ShapeSet::new (line 119) ... ok
[INFO] [stdout] test src/util/shape.rs - util::shape::ShapeSet::insert_all (line 133) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 10 ignored; 0 measured; 0 filtered out; finished in 1.70s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6e1fdd9fe4fd1893e2665456a6cc3e9743742fdef300683d2c18b373638bf375", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e1fdd9fe4fd1893e2665456a6cc3e9743742fdef300683d2c18b373638bf375", kill_on_drop: false }`
[INFO] [stdout] 6e1fdd9fe4fd1893e2665456a6cc3e9743742fdef300683d2c18b373638bf375