[INFO] fetching crate serser 0.1.0...
[INFO] testing serser-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate serser 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate serser 0.1.0
[INFO] finished tweaking crates.io crate serser 0.1.0
[INFO] tweaked toml for crates.io crate serser 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serser 0.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 910f6d0592b399b852b88fd2882f4a54593c39f7fbd2179089680d5124dce4ed
[INFO] running `Command { std: "docker" "start" "-a" "910f6d0592b399b852b88fd2882f4a54593c39f7fbd2179089680d5124dce4ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "910f6d0592b399b852b88fd2882f4a54593c39f7fbd2179089680d5124dce4ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "910f6d0592b399b852b88fd2882f4a54593c39f7fbd2179089680d5124dce4ed", kill_on_drop: false }`
[INFO] [stdout] 910f6d0592b399b852b88fd2882f4a54593c39f7fbd2179089680d5124dce4ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0c002811bca81da357dc28029b0b69d8854011f77bf3ac4c0da801dddf2a127
[INFO] running `Command { std: "docker" "start" "-a" "a0c002811bca81da357dc28029b0b69d8854011f77bf3ac4c0da801dddf2a127", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling maybe-owned v0.3.4
[INFO] [stderr]    Compiling serser_derive v0.1.0
[INFO] [stderr]    Compiling serser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.65s
[INFO] running `Command { std: "docker" "inspect" "a0c002811bca81da357dc28029b0b69d8854011f77bf3ac4c0da801dddf2a127", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0c002811bca81da357dc28029b0b69d8854011f77bf3ac4c0da801dddf2a127", kill_on_drop: false }`
[INFO] [stdout] a0c002811bca81da357dc28029b0b69d8854011f77bf3ac4c0da801dddf2a127
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aefcf13a87bbaeb800b29fc2136de56865801eaebb79829dce3267c4b435fbf1
[INFO] running `Command { std: "docker" "start" "-a" "aefcf13a87bbaeb800b29fc2136de56865801eaebb79829dce3267c4b435fbf1", kill_on_drop: false }`
[INFO] [stderr]    Compiling serser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `AnEnum` is never used
[INFO] [stdout]    --> tests/derive_from_tokens.rs:172:14
[INFO] [stdout]     |
[INFO] [stdout] 172 |         enum AnEnum {}
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.11s
[INFO] running `Command { std: "docker" "inspect" "aefcf13a87bbaeb800b29fc2136de56865801eaebb79829dce3267c4b435fbf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aefcf13a87bbaeb800b29fc2136de56865801eaebb79829dce3267c4b435fbf1", kill_on_drop: false }`
[INFO] [stdout] aefcf13a87bbaeb800b29fc2136de56865801eaebb79829dce3267c4b435fbf1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7ec902035a921b667464be61e8396fceaf34aeae5c65cd416352efb75410dbb7
[INFO] running `Command { std: "docker" "start" "-a" "7ec902035a921b667464be61e8396fceaf34aeae5c65cd416352efb75410dbb7", kill_on_drop: false }`
[INFO] [stderr] warning: enum `AnEnum` is never used
[INFO] [stderr]    --> tests/derive_from_tokens.rs:172:14
[INFO] [stderr]     |
[INFO] [stderr] 172 |         enum AnEnum {}
[INFO] [stderr]     |              ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `serser` (test "derive_from_tokens") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serser-d2b7129e33702b26)
[INFO] [stdout] 
[INFO] [stdout] running 48 tests
[INFO] [stdout] test from::tests::basic::Bool ... ok
[INFO] [stdout] test from::tests::basic::F32 ... ok
[INFO] [stdout] test from::tests::basic::Char ... ok
[INFO] [stdout] test from::tests::basic::I128 ... ok
[INFO] [stdout] test from::tests::basic::I32 ... ok
[INFO] [stdout] test from::tests::basic::I64 ... ok
[INFO] [stdout] test from::tests::basic::I16 ... ok
[INFO] [stdout] test from::tests::basic::I8 ... ok
[INFO] [stdout] test from::tests::basic::Str ... ok
[INFO] [stdout] test from::tests::basic::U128 ... ok
[INFO] [stdout] test from::tests::basic::U16 ... ok
[INFO] [stdout] test from::tests::basic::Usize ... ok
[INFO] [stdout] test from::tests::test_from_end ... ok
[INFO] [stdout] test from::tests::test_bool_from_invalid ... ok
[INFO] [stdout] test from::tests::basic::U32 ... ok
[INFO] [stdout] test from::tests::basic::U64 ... ok
[INFO] [stdout] test from::tests::test_vec_i8_bytes_fails ... ok
[INFO] [stdout] test from::tests::basic::U8 ... ok
[INFO] [stdout] test from::tests::basic::F64 ... ok
[INFO] [stdout] test from::tests::test_vec_u8 ... ok
[INFO] [stdout] test from::tests::test_vec_u8_bytes ... ok
[INFO] [stdout] test into::tests::test_bool_into ... ok
[INFO] [stdout] test from::tests::test_vec_vec_u32_from ... ok
[INFO] [stdout] test from::tests::test_vec_u32_from ... ok
[INFO] [stdout] test into::tests::test_tuple_into ... ok
[INFO] [stdout] test into::tests::test_u32_into ... ok
[INFO] [stdout] test json::from::tests::test_from_tokens_enum_struct ... ok
[INFO] [stdout] test into::tests::test_vec_u32_into ... ok
[INFO] [stdout] test json::from::tests::test_from_tokens_seq ... ok
[INFO] [stdout] test json::from::tests::test_from_tokens_struct ... ok
[INFO] [stdout] test json::from::tests::test_from_tokens_tuple ... ok
[INFO] [stdout] test json::into::tests::test_json_into_tokens_array ... ok
[INFO] [stdout] test json::from::tests::test_from_tokens_enum_tuple ... ok
[INFO] [stdout] test json::into::tests::test_json_into_tokens_bytes ... ok
[INFO] [stdout] test json::into::tests::test_json_into_tokens_empty ... ok
[INFO] [stdout] test json::into::tests::test_json_into_tokens_bool ... ok
[INFO] [stdout] test json::into::tests::test_json_into_tokens_enum_tuple ... ok
[INFO] [stdout] test json::into::tests::test_json_into_tokens_enum_struct ... ok
[INFO] [stdout] test json::from::tests::test_from_tokens_plain ... ok
[INFO] [stdout] test json::into::tests::test_json_into_tokens_object ... ok
[INFO] [stdout] test json::into::tests::test_json_into_tokens_str ... ok
[INFO] [stdout] test test::expecting::tests::test_first ... ok
[INFO] [stdout] test test::expecting::tests::test_default ... ok
[INFO] [stdout] test test::expecting::tests::test_second ... ok
[INFO] [stdout] test json::into::tests::test_json_into_tokens_null ... ok
[INFO] [stdout] test json::into::tests::test_json_into_tokens_f64 ... ok
[INFO] [stdout] test test::printsink::tests::test_printing_token_sink ... ok
[INFO] [stdout] test from::tests::basic::Isize ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 48 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/derive_from_tokens.rs (/opt/rustwide/target/debug/deps/derive_from_tokens-867eec7ea26daf61)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test tests::from_tokens_enum_empty ... ok
[INFO] [stdout] test tests::from_tokens_enum_struct_nested ... ok
[INFO] [stdout] test tests::from_tokens_enum_tuple_nested ... ok
[INFO] [stdout] test tests::from_tokens_enum_struct ... ok
[INFO] [stdout] test tests::from_tokens_enum_tuple ... ok
[INFO] [stdout] test tests::from_tokens_struct_named ... ok
[INFO] [stdout] test tests::from_tokens_struct_named_empty ... ok
[INFO] [stdout] test tests::from_tokens_struct_named_nested ... ok
[INFO] [stdout] test tests::from_tokens_struct_named_partial ... ok
[INFO] [stdout] test tests::from_tokens_struct_tuple_partial ... ok
[INFO] [stdout] test tests::from_tokens_struct_tuple ... ok
[INFO] [stdout] test tests::from_tokens_struct_unit ... ok
[INFO] [stderr]      Running tests/derive_into_tokens.rs (/opt/rustwide/target/debug/deps/derive_into_tokens-57b7494815de3420)
[INFO] [stdout] test tests::from_tokens_struct_tuple_nested ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::into_tokens_enum_struct ... ok
[INFO] [stderr]    Doc-tests serser
[INFO] [stdout] test tests::into_tokens_enum_tuple ... ok
[INFO] [stdout] test tests::into_tokens_struct_empty ... ok
[INFO] [stdout] test tests::into_tokens_struct ... ok
[INFO] [stdout] test tests::into_tokens_tuple_struct ... ok
[INFO] [stdout] test tests::into_tokens_unit_struct ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] test src/test/printsink.rs - test::printsink::PrintingTokenSink (line 58) ... ok
[INFO] [stdout] test src/lib.rs - (line 55) ... ok
[INFO] [stdout] test src/lib.rs - (line 32) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.06s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7ec902035a921b667464be61e8396fceaf34aeae5c65cd416352efb75410dbb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ec902035a921b667464be61e8396fceaf34aeae5c65cd416352efb75410dbb7", kill_on_drop: false }`
[INFO] [stdout] 7ec902035a921b667464be61e8396fceaf34aeae5c65cd416352efb75410dbb7