[INFO] fetching crate serde-brief 0.2.0...
[INFO] testing serde-brief-0.2.0 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate serde-brief 0.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] removed /workspace/builds/worker-3-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate serde-brief 0.2.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate serde-brief 0.2.0
[INFO] tweaked toml for crates.io crate serde-brief 0.2.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde-brief 0.2.0 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate serde-brief 0.2.0 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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_bytes v0.11.19
[INFO] [stderr]   Downloaded hash32 v0.3.1
[INFO] [stderr]   Downloaded heapless v0.9.1
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0553471f905bf573a2ba03951d1378c5fc917fcd9466103e9684652918b4f99f
[INFO] running `Command { std: "docker" "start" "-a" "0553471f905bf573a2ba03951d1378c5fc917fcd9466103e9684652918b4f99f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0553471f905bf573a2ba03951d1378c5fc917fcd9466103e9684652918b4f99f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0553471f905bf573a2ba03951d1378c5fc917fcd9466103e9684652918b4f99f", kill_on_drop: false }`
[INFO] [stdout] 0553471f905bf573a2ba03951d1378c5fc917fcd9466103e9684652918b4f99f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d015dd0562a0e16ffb3d8ac9db329671860e7a5077de1f3c2cfff7ec31729629
[INFO] running `Command { std: "docker" "start" "-a" "d015dd0562a0e16ffb3d8ac9db329671860e7a5077de1f3c2cfff7ec31729629", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde-brief v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.54s
[INFO] running `Command { std: "docker" "inspect" "d015dd0562a0e16ffb3d8ac9db329671860e7a5077de1f3c2cfff7ec31729629", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d015dd0562a0e16ffb3d8ac9db329671860e7a5077de1f3c2cfff7ec31729629", kill_on_drop: false }`
[INFO] [stdout] d015dd0562a0e16ffb3d8ac9db329671860e7a5077de1f3c2cfff7ec31729629
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4b93dc40218333640550972e09cd9ccfd525ef97b80fb24fea9a7266e872ce9
[INFO] running `Command { std: "docker" "start" "-a" "d4b93dc40218333640550972e09cd9ccfd525ef97b80fb24fea9a7266e872ce9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling nu-ansi-term v0.50.3
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling serde_bytes v0.11.19
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling matchers v0.2.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.20
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde-brief v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 11.98s
[INFO] running `Command { std: "docker" "inspect" "d4b93dc40218333640550972e09cd9ccfd525ef97b80fb24fea9a7266e872ce9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4b93dc40218333640550972e09cd9ccfd525ef97b80fb24fea9a7266e872ce9", kill_on_drop: false }`
[INFO] [stdout] d4b93dc40218333640550972e09cd9ccfd525ef97b80fb24fea9a7266e872ce9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2d6e3ab7f4fbf93fe591ccbc3e8974b5e8cdc3fbbfa215ae1a29f85f5c269232
[INFO] running `Command { std: "docker" "start" "-a" "2d6e3ab7f4fbf93fe591ccbc3e8974b5e8cdc3fbbfa215ae1a29f85f5c269232", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serde_brief-cc29b27d28f5d23d)
[INFO] [stdout] 
[INFO] [stdout] running 59 tests
[INFO] [stdout] test buffer::tests::unit_buffer_behaves ... ok
[INFO] [stdout] test format::tests::signed_varint_encode_works ... ok
[INFO] [stdout] test format::tests::type_conversion_works ... ok
[INFO] [stdout] test format::tests::unsigned_varint_encode_works ... ok
[INFO] [stdout] test io::tests::slice_input_behaves ... ok
[INFO] [stdout] test format::tests::unsigned_varint_decode_works ... ok
[INFO] [stdout] test format::tests::signed_varint_decode_works ... ok
[INFO] [stdout] test io::tests::slice_output_behaves ... ok
[INFO] [stdout] test tests::basic_types::test_bytes ... ok
[INFO] [stdout] test tests::basic_types::test_char ... ok
[INFO] [stdout] test tests::basic_types::test_empty_struct ... ok
[INFO] [stdout] test tests::basic_types::test_all_numbers ... ok
[INFO] [stdout] test tests::basic_types::test_enums ... ok
[INFO] [stdout] test tests::basic_types::test_enums_with_discriminants ... ok
[INFO] [stdout] test tests::basic_types::test_boolean ... ok
[INFO] [stdout] test tests::basic_types::test_floats ... ok
[INFO] [stdout] test tests::basic_types::test_format_args ... ok
[INFO] [stdout] test tests::basic_types::test_newtype_struct ... ok
[INFO] [stdout] test tests::basic_types::test_option ... ok
[INFO] [stdout] test tests::basic_types::test_sequence ... ok
[INFO] [stdout] test tests::basic_types::test_sequence_nested ... ok
[INFO] [stdout] test tests::basic_types::test_signed_int ... ok
[INFO] [stdout] test tests::basic_types::test_string ... ok
[INFO] [stdout] test tests::basic_types::test_struct ... ok
[INFO] [stdout] test tests::basic_types::test_struct_nested ... ok
[INFO] [stdout] test tests::basic_types::test_tuple_struct ... ok
[INFO] [stdout] test tests::basic_types::test_tuple ... ok
[INFO] [stdout] test tests::basic_types::test_unit ... ok
[INFO] [stdout] test tests::basic_types::test_unsigned_int ... ok
[INFO] [stdout] test tests::features::test_borrowing ... ok
[INFO] [stdout] test tests::features::test_bytes_is_byte_sequence ... ok
[INFO] [stdout] test tests::features::test_deser_calls_borrowed ... ok
[INFO] [stdout] test tests::features::test_excess_data ... ok
[INFO] [stdout] test tests::features::test_max_size ... ok
[INFO] [stdout] test tests::features::test_string_is_bytes ... ok
[INFO] [stdout] test tests::features::test_string_is_char_sequence ... ok
[INFO] [stdout] test tests::serde_features::test_deny_unknown_fields ... ok
[INFO] [stdout] test tests::serde_features::test_alias ... ok
[INFO] [stdout] test tests::serde_features::test_flatten ... ok
[INFO] [stdout] test tests::serde_features::test_enum_single_untagged ... ok
[INFO] [stdout] test tests::serde_features::test_from_into ... ok
[INFO] [stdout] test tests::serde_features::test_borrow ... ok
[INFO] [stdout] test tests::serde_features::test_rename_struct ... ok
[INFO] [stdout] test tests::serde_features::test_struct_default ... ok
[INFO] [stdout] test tests::serde_features::test_tagged_enum ... ok
[INFO] [stdout] test tests::special_handling::test_unexpected_eof ... ok
[INFO] [stdout] test tests::serde_features::test_rename_enum ... ok
[INFO] [stdout] test tests::special_handling::test_type_mismatch ... ok
[INFO] [stdout] test tests::versioning::test_struct_field_added ... ok
[INFO] [stdout] test tests::versioning::test_struct_field_added_with_indices ... ok
[INFO] [stdout] test tests::versioning::test_struct_fields_reordered ... ok
[INFO] [stdout] test tests::serde_features::test_enum_other ... ok
[INFO] [stdout] test tests::serde_features::test_transparent ... ok
[INFO] [stdout] test tests::serde_features::test_untagged_enum ... ok
[INFO] [stdout] test tests::serde_features::test_tagged_enum_with_content ... ok
[INFO] [stdout] test tests::versioning::test_enum_variant_added_with_indices ... ok
[INFO] [stdout] test tests::versioning::test_enum_variants_reordered ... ok
[INFO] [stdout] test tests::special_handling::test_output_too_small ... ok
[INFO] [stderr]      Running tests/all/main.rs (/opt/rustwide/target/debug/deps/all-b79aed654f203dca)
[INFO] [stdout] test tests::versioning::test_enum_variant_added ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 59 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests examples/bytes.rs (/opt/rustwide/target/debug/examples/bytes-26d3592b0a1dfed5)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test run ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests examples/simple.rs (/opt/rustwide/target/debug/examples/simple-015b433352132e6c)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test run ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_brief
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 85) ... ok
[INFO] [stdout] test src/lib.rs - (line 52) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 52) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `heapless`
[INFO] [stdout]   --> src/lib.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | use heapless::Vec;
[INFO] [stdout]    |     ^^^^^^^^ use of unresolved module or unlinked crate `heapless`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `heapless`, use `cargo add heapless` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `to_heapless_vec` in crate `serde_brief`
[INFO] [stdout]    --> src/lib.rs:64:44
[INFO] [stdout]     |
[INFO] [stdout]  64 | let mut output: Vec<u8, 22> = serde_brief::to_heapless_vec(&data).unwrap();
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^ not found in `serde_brief`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> src/lib.rs:217:8
[INFO] [stdout]     |
[INFO] [stdout] 216 | #[cfg(feature = "heapless")]
[INFO] [stdout]     |       -------------------- the item is gated behind the `heapless` feature
[INFO] [stdout] 217 | pub fn to_heapless_vec<const N: usize, T>(value: &T) -> Result<::heapless::Vec<u8, N>>
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0432.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 52)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.21s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.66s; merged doctests compilation took 0.45s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "2d6e3ab7f4fbf93fe591ccbc3e8974b5e8cdc3fbbfa215ae1a29f85f5c269232", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d6e3ab7f4fbf93fe591ccbc3e8974b5e8cdc3fbbfa215ae1a29f85f5c269232", kill_on_drop: false }`
[INFO] [stdout] 2d6e3ab7f4fbf93fe591ccbc3e8974b5e8cdc3fbbfa215ae1a29f85f5c269232
