[INFO] fetching crate serde-json-core 0.6.0...
[INFO] testing serde-json-core-0.6.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate serde-json-core 0.6.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate serde-json-core 0.6.0
[INFO] finished tweaking crates.io crate serde-json-core 0.6.0
[INFO] tweaked toml for crates.io crate serde-json-core 0.6.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde-json-core 0.6.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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-2026-04-21" "generate-lockfile" "--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]      Locking 21 packages to latest compatible versions
[INFO] [stderr]       Adding defmt v0.3.100 (available: v1.0.1)
[INFO] [stderr]       Adding heapless v0.8.0 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd944504dfbd5624cb5347d6cbeb13384178e2480cec23d1a1c0a5b0d4ff4517
[INFO] running `Command { std: "docker" "start" "-a" "dd944504dfbd5624cb5347d6cbeb13384178e2480cec23d1a1c0a5b0d4ff4517", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd944504dfbd5624cb5347d6cbeb13384178e2480cec23d1a1c0a5b0d4ff4517", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd944504dfbd5624cb5347d6cbeb13384178e2480cec23d1a1c0a5b0d4ff4517", kill_on_drop: false }`
[INFO] [stdout] dd944504dfbd5624cb5347d6cbeb13384178e2480cec23d1a1c0a5b0d4ff4517
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9944625a538fd73d092878030674510a670d8c3dee78f302e0d8074ca8779b5
[INFO] running `Command { std: "docker" "start" "-a" "b9944625a538fd73d092878030674510a670d8c3dee78f302e0d8074ca8779b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling hash32 v0.3.1
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde-json-core v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.90s
[INFO] running `Command { std: "docker" "inspect" "b9944625a538fd73d092878030674510a670d8c3dee78f302e0d8074ca8779b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9944625a538fd73d092878030674510a670d8c3dee78f302e0d8074ca8779b5", kill_on_drop: false }`
[INFO] [stdout] b9944625a538fd73d092878030674510a670d8c3dee78f302e0d8074ca8779b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 910f5c5250c574569fee77576232d860b7fad8f3ff3f9d3c58081606c7a05592
[INFO] running `Command { std: "docker" "start" "-a" "910f5c5250c574569fee77576232d860b7fad8f3ff3f9d3c58081606c7a05592", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde-json-core v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.47s
[INFO] running `Command { std: "docker" "inspect" "910f5c5250c574569fee77576232d860b7fad8f3ff3f9d3c58081606c7a05592", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "910f5c5250c574569fee77576232d860b7fad8f3ff3f9d3c58081606c7a05592", kill_on_drop: false }`
[INFO] [stdout] 910f5c5250c574569fee77576232d860b7fad8f3ff3f9d3c58081606c7a05592
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d27d800ebbb900d3d2a541aa001eb8336988a6649f11846218ec3fc0130a012b
[INFO] running `Command { std: "docker" "start" "-a" "d27d800ebbb900d3d2a541aa001eb8336988a6649f11846218ec3fc0130a012b", kill_on_drop: false }`
[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_json_core-86e63a447d086a1c)
[INFO] [stdout] 
[INFO] [stdout] running 41 tests
[INFO] [stdout] test de::tests::ignoring_extra_fields ... ok
[INFO] [stdout] test de::tests::integer ... ok
[INFO] [stdout] test de::tests::newtype_struct ... ok
[INFO] [stdout] test de::tests::str ... ok
[INFO] [stdout] test de::tests::struct_bool ... ok
[INFO] [stdout] test de::tests::char ... ok
[INFO] [stdout] test de::tests::struct_i8 ... ok
[INFO] [stdout] test de::tests::struct_option ... ok
[INFO] [stdout] test de::tests::struct_tuple ... ok
[INFO] [stdout] test de::tests::struct_u8 ... ok
[INFO] [stdout] test de::tests::struct_with_array_field ... ok
[INFO] [stdout] test de::tests::struct_with_tuple_field ... ok
[INFO] [stdout] test de::tests::test_newtype_variant ... ok
[INFO] [stdout] test de::tests::test_struct_variant ... ok
[INFO] [stdout] test de::tests::test_unit ... ok
[INFO] [stdout] test de::tests::tuple_of_str ... ok
[INFO] [stdout] test de::tests::wot ... ok
[INFO] [stdout] test ser::tests::array ... ok
[INFO] [stdout] test ser::tests::bool ... ok
[INFO] [stdout] test ser::tests::enum_ ... ok
[INFO] [stdout] test ser::tests::escaped_str ... ok
[INFO] [stdout] test ser::tests::str ... ok
[INFO] [stdout] test ser::tests::struct_ ... ok
[INFO] [stdout] test ser::tests::struct_bool ... ok
[INFO] [stdout] test ser::tests::struct_f32 ... ok
[INFO] [stdout] test ser::tests::struct_i8 ... ok
[INFO] [stdout] test de::tests::array ... ok
[INFO] [stdout] test ser::tests::struct_option ... ok
[INFO] [stdout] test de::tests::bool ... ok
[INFO] [stdout] test de::tests::enum_clike ... ok
[INFO] [stdout] test de::tests::escaped_str ... ok
[INFO] [stdout] test de::tests::floating_point ... ok
[INFO] [stdout] test de::tests::struct_f32 ... ok
[INFO] [stdout] test ser::tests::test_serialize_bytes ... ok
[INFO] [stdout] test ser::tests::struct_u8 ... ok
[INFO] [stdout] test ser::tests::test_newtype_struct ... ok
[INFO] [stdout] test ser::tests::test_struct_variant ... ok
[INFO] [stdout] test ser::tests::test_tuple_struct_roundtrip ... ok
[INFO] [stdout] test ser::tests::test_tuple_struct ... ok
[INFO] [stdout] test ser::tests::test_unit ... ok
[INFO] [stdout] test ser::tests::test_newtype_variant ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 41 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_json_core
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/str.rs - str::EscapedStr (line 84) ... ok
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.71s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d27d800ebbb900d3d2a541aa001eb8336988a6649f11846218ec3fc0130a012b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d27d800ebbb900d3d2a541aa001eb8336988a6649f11846218ec3fc0130a012b", kill_on_drop: false }`
[INFO] [stdout] d27d800ebbb900d3d2a541aa001eb8336988a6649f11846218ec3fc0130a012b
