[INFO] fetching crate feanor-serde 0.1.5...
[INFO] testing feanor-serde-0.1.5 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate feanor-serde 0.1.5 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate feanor-serde 0.1.5
[INFO] finished tweaking crates.io crate feanor-serde 0.1.5
[INFO] tweaked toml for crates.io crate feanor-serde 0.1.5 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate feanor-serde 0.1.5 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 feanor-serde 0.1.5 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f28cbec22d21adae03562c067884b50a3f1d627976e8de41a89f2efc8bc44617
[INFO] running `Command { std: "docker" "start" "-a" "f28cbec22d21adae03562c067884b50a3f1d627976e8de41a89f2efc8bc44617", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f28cbec22d21adae03562c067884b50a3f1d627976e8de41a89f2efc8bc44617", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f28cbec22d21adae03562c067884b50a3f1d627976e8de41a89f2efc8bc44617", kill_on_drop: false }`
[INFO] [stdout] f28cbec22d21adae03562c067884b50a3f1d627976e8de41a89f2efc8bc44617
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 74d62fbc3ccb7ba0c37fec474fc1ca897e29abf6a52221f17a3c90553111d257
[INFO] running `Command { std: "docker" "start" "-a" "74d62fbc3ccb7ba0c37fec474fc1ca897e29abf6a52221f17a3c90553111d257", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling feanor-serde v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.13s
[INFO] running `Command { std: "docker" "inspect" "74d62fbc3ccb7ba0c37fec474fc1ca897e29abf6a52221f17a3c90553111d257", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74d62fbc3ccb7ba0c37fec474fc1ca897e29abf6a52221f17a3c90553111d257", kill_on_drop: false }`
[INFO] [stdout] 74d62fbc3ccb7ba0c37fec474fc1ca897e29abf6a52221f17a3c90553111d257
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 015756e2daac108b530e78b03ca9b1a4c66f14a469cd0e0a5b8448cd2c8c4c97
[INFO] running `Command { std: "docker" "start" "-a" "015756e2daac108b530e78b03ca9b1a4c66f14a469cd0e0a5b8448cd2c8c4c97", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling thiserror v2.0.16
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v2.0.16
[INFO] [stderr]    Compiling cobs v0.3.0
[INFO] [stderr]    Compiling serde_assert v0.8.0
[INFO] [stderr]    Compiling feanor-serde v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling postcard v1.1.3
[INFO] [stdout] warning: fields `a` and `b` are never read
[INFO] [stdout]    --> src/rust_struct.rs:449:13
[INFO] [stdout]     |
[INFO] [stdout] 448 |         pub struct Foo<'de> using DeserializeSeedFoo {
[INFO] [stdout]     |                    --- fields in this struct
[INFO] [stdout] 449 |             a: i64: |_| std::marker::PhantomData,
[INFO] [stdout]     |             ^
[INFO] [stdout] 450 |             b: String: |_| std::marker::PhantomData
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `impl_deserialize_seed_for_dependent_struct` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 15.44s
[INFO] running `Command { std: "docker" "inspect" "015756e2daac108b530e78b03ca9b1a4c66f14a469cd0e0a5b8448cd2c8c4c97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "015756e2daac108b530e78b03ca9b1a4c66f14a469cd0e0a5b8448cd2c8c4c97", kill_on_drop: false }`
[INFO] [stdout] 015756e2daac108b530e78b03ca9b1a4c66f14a469cd0e0a5b8448cd2c8c4c97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 0d179f142d81a6f4454b8435867188d90617c7a3ab582e93bce6c2cf58732ec7
[INFO] running `Command { std: "docker" "start" "-a" "0d179f142d81a6f4454b8435867188d90617c7a3ab582e93bce6c2cf58732ec7", kill_on_drop: false }`
[INFO] [stderr] warning: fields `a` and `b` are never read
[INFO] [stdout] 
[INFO] [stderr]    --> src/rust_struct.rs:449:13
[INFO] [stdout] running 14 tests
[INFO] [stderr]     |
[INFO] [stderr] 448 |         pub struct Foo<'de> using DeserializeSeedFoo {
[INFO] [stderr]     |                    --- fields in this struct
[INFO] [stderr] 449 |             a: i64: |_| std::marker::PhantomData,
[INFO] [stderr]     |             ^
[INFO] [stderr] 450 |             b: String: |_| std::marker::PhantomData
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr]     = note: this warning originates in the macro `impl_deserialize_seed_for_dependent_struct` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `feanor-serde` (lib test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/feanor_serde-6b26aeeed08bef2b)
[INFO] [stdout] test dependent_tuple::test_serde_json ... ok
[INFO] [stdout] test dependent_tuple::test_serde_postcard ... ok
[INFO] [stdout] test rust_enum::test_serde_postcard ... ok
[INFO] [stdout] test rust_struct::test_serde_additional_field ... ok
[INFO] [stdout] test rust_struct::test_serde_json ... ok
[INFO] [stdout] test rust_struct::test_serde_postcard ... ok
[INFO] [stdout] test newtype_struct::test_serde_json ... ok
[INFO] [stdout] test rust_struct::test_serde_serdeassert ... ok
[INFO] [stdout] test seq::test_deserialize_sequence_partially_json ... ok
[INFO] [stdout] test seq::test_serde_postcard ... ok
[INFO] [stdout] test seq::test_deserialize_sequence_partially_postcard ... ok
[INFO] [stdout] test seq::test_serde_json ... ok
[INFO] [stdout] test rust_enum::test_serde_json ... ok
[INFO] [stdout] test newtype_struct::test_serde_postcard ... ok
[INFO] [stderr]    Doc-tests feanor_serde
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/newtype_struct.rs - newtype_struct::DeserializeSeedNewtypeStruct (line 42) ... ok
[INFO] [stdout] test src/rust_struct.rs - rust_struct::impl_deserialize_seed_for_dependent_struct (line 33) ... ok
[INFO] [stdout] test src/rust_struct.rs - rust_struct::impl_deserialize_seed_for_dependent_struct (line 121) - compile fail ... ok
[INFO] [stdout] test src/rust_struct.rs - rust_struct::impl_deserialize_seed_for_dependent_struct (line 17) ... ok
[INFO] [stdout] test src/rust_struct.rs - rust_struct::impl_deserialize_seed_for_dependent_struct (line 53) ... ok
[INFO] [stdout] test src/rust_struct.rs - rust_struct::impl_deserialize_seed_for_dependent_struct (line 99) ... ok
[INFO] [stdout] test src/dependent_tuple.rs - dependent_tuple::DeserializeSeedDependentTuple (line 14) ... ok
[INFO] [stdout] test src/rust_struct.rs - rust_struct::impl_deserialize_seed_for_dependent_struct (line 142) ... ok
[INFO] [stdout] test src/rust_enum.rs - rust_enum::impl_deserialize_seed_for_dependent_enum (line 6) ... ok
[INFO] [stdout] test src/seq.rs - seq::DeserializeSeedSeq (line 60) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.58s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0d179f142d81a6f4454b8435867188d90617c7a3ab582e93bce6c2cf58732ec7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d179f142d81a6f4454b8435867188d90617c7a3ab582e93bce6c2cf58732ec7", kill_on_drop: false }`
[INFO] [stdout] 0d179f142d81a6f4454b8435867188d90617c7a3ab582e93bce6c2cf58732ec7