[INFO] fetching crate koto_serde 0.16.0...
[INFO] testing koto_serde-0.16.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate koto_serde 0.16.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate koto_serde 0.16.0
[INFO] finished tweaking crates.io crate koto_serde 0.16.0
[INFO] tweaked toml for crates.io crate koto_serde 0.16.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate koto_serde 0.16.0 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] crate crates.io crate koto_serde 0.16.0 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" "+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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9b5663f1c8d584bdc18eddfef5b570aff494be75e07629745073f777d3403d0
[INFO] running `Command { std: "docker" "start" "-a" "e9b5663f1c8d584bdc18eddfef5b570aff494be75e07629745073f777d3403d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9b5663f1c8d584bdc18eddfef5b570aff494be75e07629745073f777d3403d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9b5663f1c8d584bdc18eddfef5b570aff494be75e07629745073f777d3403d0", kill_on_drop: false }`
[INFO] [stdout] e9b5663f1c8d584bdc18eddfef5b570aff494be75e07629745073f777d3403d0
[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=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] cf901454120004aaad47f5c443c61155b94ffad254672355a1a5eb93d6882220
[INFO] running `Command { std: "docker" "start" "-a" "cf901454120004aaad47f5c443c61155b94ffad254672355a1a5eb93d6882220", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling unicode-width v0.2.0
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling koto_memory v0.16.0
[INFO] [stderr]    Compiling smallvec v1.15.0
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling circular-buffer v1.1.0
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling dunce v1.0.5
[INFO] [stderr]    Compiling iana-time-zone v0.1.63
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling saturating_cast v0.1.0
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling koto_lexer v0.16.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling chrono v0.4.40
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling derive-name-macros v1.1.1
[INFO] [stderr]    Compiling koto_derive v0.16.0
[INFO] [stderr]    Compiling derive-name v1.1.0
[INFO] [stderr]    Compiling koto_parser v0.16.0
[INFO] [stderr]    Compiling koto_bytecode v0.16.0
[INFO] [stderr]    Compiling koto_runtime v0.16.0
[INFO] [stderr]    Compiling koto_serde v0.16.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.83s
[INFO] running `Command { std: "docker" "inspect" "cf901454120004aaad47f5c443c61155b94ffad254672355a1a5eb93d6882220", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf901454120004aaad47f5c443c61155b94ffad254672355a1a5eb93d6882220", kill_on_drop: false }`
[INFO] [stdout] cf901454120004aaad47f5c443c61155b94ffad254672355a1a5eb93d6882220
[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=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] c7580ce26ed8d85546d88e4667320f052d94745dd353117045b06b026f5ec934
[INFO] running `Command { std: "docker" "start" "-a" "c7580ce26ed8d85546d88e4667320f052d94745dd353117045b06b026f5ec934", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling koto_serde v0.16.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.11s
[INFO] running `Command { std: "docker" "inspect" "c7580ce26ed8d85546d88e4667320f052d94745dd353117045b06b026f5ec934", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7580ce26ed8d85546d88e4667320f052d94745dd353117045b06b026f5ec934", kill_on_drop: false }`
[INFO] [stdout] c7580ce26ed8d85546d88e4667320f052d94745dd353117045b06b026f5ec934
[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=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] 4a4a6dbf92503e07ab01594156802671402e3d50a23e61ed42f0cd325221f7a6
[INFO] running `Command { std: "docker" "start" "-a" "4a4a6dbf92503e07ab01594156802671402e3d50a23e61ed42f0cd325221f7a6", 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/koto_serde-7ac4fd772a695230)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test deserializer::tests::to_enum ... ok
[INFO] [stdout] test deserializer::tests::to_struct ... ok
[INFO] [stdout] test serializer::tests::serialize_enum_a ... ok
[INFO] [stdout] test serializer::tests::serialize_enum_b ... ok
[INFO] [stdout] test serializer::tests::serialize_enum_c ... ok
[INFO] [stdout] test deserializer::tests::to_scalar ... ok
[INFO] [stdout] test serialize::tests::object_to_kvalue ... ok
[INFO] [stdout] test serialize::tests::kvalue_to_object ... ok
[INFO] [stdout] test serializer::tests::serialize_enum_d ... ok
[INFO] [stdout] test serializer::tests::serialize_struct ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests koto_serde
[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] running `Command { std: "docker" "inspect" "4a4a6dbf92503e07ab01594156802671402e3d50a23e61ed42f0cd325221f7a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a4a6dbf92503e07ab01594156802671402e3d50a23e61ed42f0cd325221f7a6", kill_on_drop: false }`
[INFO] [stdout] 4a4a6dbf92503e07ab01594156802671402e3d50a23e61ed42f0cd325221f7a6