[INFO] fetching crate serde-brief 0.1.1...
[INFO] testing serde-brief-0.1.1 against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate serde-brief 0.1.1 into /workspace/builds/worker-6-tc2/source
[INFO] removed /workspace/builds/worker-6-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate serde-brief 0.1.1
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate serde-brief 0.1.1
[INFO] tweaked toml for crates.io crate serde-brief 0.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde-brief 0.1.1 on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate serde-brief 0.1.1 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 159a5b3f6175b79e0c23bc4f74937a42ea84646f9467652a86eb3c08c0c39ace
[INFO] running `Command { std: "docker" "start" "-a" "159a5b3f6175b79e0c23bc4f74937a42ea84646f9467652a86eb3c08c0c39ace", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "159a5b3f6175b79e0c23bc4f74937a42ea84646f9467652a86eb3c08c0c39ace", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "159a5b3f6175b79e0c23bc4f74937a42ea84646f9467652a86eb3c08c0c39ace", kill_on_drop: false }`
[INFO] [stdout] 159a5b3f6175b79e0c23bc4f74937a42ea84646f9467652a86eb3c08c0c39ace
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0a52c6d3a1a846df79434dee1384bea87fdbd5f6b799bfd5eba6c3f4a30d4d0
[INFO] running `Command { std: "docker" "start" "-a" "f0a52c6d3a1a846df79434dee1384bea87fdbd5f6b799bfd5eba6c3f4a30d4d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling serde-brief v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated constant `MAX_BYTES` is never used
[INFO] [stdout]    --> src/format.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 97  | pub trait VarInt: Sized {
[INFO] [stdout]     |           ------ associated constant in this trait
[INFO] [stdout] ...
[INFO] [stdout] 104 |     const MAX_BYTES: usize = varint_max::<Self>();
[INFO] [stdout]     |           ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-W dead-code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.01s
[INFO] running `Command { std: "docker" "inspect" "f0a52c6d3a1a846df79434dee1384bea87fdbd5f6b799bfd5eba6c3f4a30d4d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0a52c6d3a1a846df79434dee1384bea87fdbd5f6b799bfd5eba6c3f4a30d4d0", kill_on_drop: false }`
[INFO] [stdout] f0a52c6d3a1a846df79434dee1384bea87fdbd5f6b799bfd5eba6c3f4a30d4d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76ce6fe4e6f76b6172b192a781ef41f2f0bd4fbbb24321aa517c5d59b7df3543
[INFO] running `Command { std: "docker" "start" "-a" "76ce6fe4e6f76b6172b192a781ef41f2f0bd4fbbb24321aa517c5d59b7df3543", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling once_cell v1.20.0
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling serde_json v1.0.128
[INFO] [stderr]    Compiling pin-project-lite v0.2.14
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling matchers v0.1.0
[INFO] [stderr]    Compiling regex v1.10.6
[INFO] [stderr]    Compiling tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling serde_bytes v0.11.15
[INFO] [stderr]    Compiling serde-brief v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated constant `MAX_BYTES` is never used
[INFO] [stdout]    --> src/format.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 97  | pub trait VarInt: Sized {
[INFO] [stdout]     |           ------ associated constant in this trait
[INFO] [stdout] ...
[INFO] [stdout] 104 |     const MAX_BYTES: usize = varint_max::<Self>();
[INFO] [stdout]     |           ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-W dead-code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2m 11s
[INFO] running `Command { std: "docker" "inspect" "76ce6fe4e6f76b6172b192a781ef41f2f0bd4fbbb24321aa517c5d59b7df3543", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76ce6fe4e6f76b6172b192a781ef41f2f0bd4fbbb24321aa517c5d59b7df3543", kill_on_drop: false }`
[INFO] [stdout] 76ce6fe4e6f76b6172b192a781ef41f2f0bd4fbbb24321aa517c5d59b7df3543
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b2a3a9de3c26e9c0a1eb8325b7135a09779d559382bc7532c99f4d00346b892b
[INFO] running `Command { std: "docker" "start" "-a" "b2a3a9de3c26e9c0a1eb8325b7135a09779d559382bc7532c99f4d00346b892b", kill_on_drop: false }`
[INFO] [stderr] warning: associated constant `MAX_BYTES` is never used
[INFO] [stdout] 
[INFO] [stderr]    --> src/format.rs:104:8
[INFO] [stdout] running 59 tests
[INFO] [stderr]     |
[INFO] [stderr] 97  | pub trait VarInt: Sized {
[INFO] [stderr]     |           ------ associated constant in this trait
[INFO] [stderr] ...
[INFO] [stderr] 104 |     const MAX_BYTES: usize = varint_max::<Self>();
[INFO] [stderr]     |           ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: requested on the command line with `-W dead-code`
[INFO] [stderr] 
[INFO] [stderr] warning: `serde-brief` (lib) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serde_brief-96c2e1f8ec5a352f)
[INFO] [stdout] test buffer::tests::unit_buffer_behaves ... ok
[INFO] [stdout] test format::tests::signed_varint_encode_works ... ok
[INFO] [stdout] test format::tests::signed_varint_decode_works ... ok
[INFO] [stdout] test format::tests::type_conversion_works ... ok
[INFO] [stdout] test format::tests::unsigned_varint_decode_works ... ok
[INFO] [stdout] test format::tests::unsigned_varint_encode_works ... ok
[INFO] [stdout] test io::tests::slice_input_behaves ... ok
[INFO] [stdout] test io::tests::slice_output_behaves ... ok
[INFO] [stdout] test tests::basic_types::test_all_numbers ... ok
[INFO] [stdout] test tests::basic_types::test_boolean ... 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_enums ... ok
[INFO] [stdout] test tests::basic_types::test_enums_with_discriminants ... 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 ... ok
[INFO] [stdout] test tests::basic_types::test_tuple_struct ... 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_alias ... ok
[INFO] [stdout] test tests::serde_features::test_borrow ... ok
[INFO] [stdout] test tests::serde_features::test_deny_unknown_fields ... ok
[INFO] [stdout] test tests::serde_features::test_enum_other ... ok
[INFO] [stdout] test tests::serde_features::test_enum_single_untagged ... ok
[INFO] [stdout] test tests::serde_features::test_flatten ... ok
[INFO] [stdout] test tests::serde_features::test_from_into ... ok
[INFO] [stdout] test tests::serde_features::test_rename_enum ... 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::serde_features::test_tagged_enum_with_content ... ok
[INFO] [stdout] test tests::serde_features::test_transparent ... ok
[INFO] [stdout] test tests::serde_features::test_untagged_enum ... ok
[INFO] [stdout] test tests::special_handling::test_output_too_small ... ok
[INFO] [stdout] test tests::special_handling::test_type_mismatch ... ok
[INFO] [stdout] test tests::special_handling::test_unexpected_eof ... ok
[INFO] [stdout] test tests::versioning::test_enum_variant_added ... 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::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] 
[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] [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] [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 tests/all/main.rs (/opt/rustwide/target/debug/deps/all-3ff5c9b9fdec793f)
[INFO] [stderr]      Running unittests examples/bytes.rs (/opt/rustwide/target/debug/examples/bytes-df2d2fc9ac95d8e5)
[INFO] [stderr]      Running unittests examples/simple.rs (/opt/rustwide/target/debug/examples/simple-bc1cc1765578bdc4)
[INFO] [stderr]    Doc-tests serde_brief
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 52) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 85) ... ok
[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] 5 | 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] 15  | 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]    --> /opt/rustwide/workdir/src/lib.rs:217:8
[INFO] [stdout]     |
[INFO] [stdout] 217 | pub fn to_heapless_vec<const N: usize, T>(value: &T) -> Result<::heapless::Vec<u8, N>>
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] note: the item is gated behind the `heapless` feature
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:216:7
[INFO] [stdout]     |
[INFO] [stdout] 216 | #[cfg(feature = "heapless")]
[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 0.41s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "b2a3a9de3c26e9c0a1eb8325b7135a09779d559382bc7532c99f4d00346b892b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2a3a9de3c26e9c0a1eb8325b7135a09779d559382bc7532c99f4d00346b892b", kill_on_drop: false }`
[INFO] [stdout] b2a3a9de3c26e9c0a1eb8325b7135a09779d559382bc7532c99f4d00346b892b
