[INFO] fetching crate serde_derive 1.0.228...
[INFO] testing serde_derive-1.0.228 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate serde_derive 1.0.228 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate serde_derive 1.0.228
[INFO] finished tweaking crates.io crate serde_derive 1.0.228
[INFO] tweaked toml for crates.io crate serde_derive 1.0.228 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde_derive 1.0.228 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate serde_derive 1.0.228 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-2025-10-28" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7eda9b07d32e93555f1e7fd9ec3cbe3fac00948e55892f550754e765ac6bf286
[INFO] running `Command { std: "docker" "start" "-a" "7eda9b07d32e93555f1e7fd9ec3cbe3fac00948e55892f550754e765ac6bf286", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7eda9b07d32e93555f1e7fd9ec3cbe3fac00948e55892f550754e765ac6bf286", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7eda9b07d32e93555f1e7fd9ec3cbe3fac00948e55892f550754e765ac6bf286", kill_on_drop: false }`
[INFO] [stdout] 7eda9b07d32e93555f1e7fd9ec3cbe3fac00948e55892f550754e765ac6bf286
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db8d3db54d33a226475c7e44ac17fbd2524409ccce84279845a8d631ba556e61
[INFO] running `Command { std: "docker" "start" "-a" "db8d3db54d33a226475c7e44ac17fbd2524409ccce84279845a8d631ba556e61", 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 v1.0.228 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.00s
[INFO] running `Command { std: "docker" "inspect" "db8d3db54d33a226475c7e44ac17fbd2524409ccce84279845a8d631ba556e61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db8d3db54d33a226475c7e44ac17fbd2524409ccce84279845a8d631ba556e61", kill_on_drop: false }`
[INFO] [stdout] db8d3db54d33a226475c7e44ac17fbd2524409ccce84279845a8d631ba556e61
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3bf25696463d3afac81c43e4a2639bff970238108ee0bf4d23b8b148af7fcbc
[INFO] running `Command { std: "docker" "start" "-a" "a3bf25696463d3afac81c43e4a2639bff970238108ee0bf4d23b8b148af7fcbc", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.227
[INFO] [stderr]    Compiling serde v1.0.227
[INFO] [stderr]    Compiling serde_derive v1.0.228 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 9.91s
[INFO] running `Command { std: "docker" "inspect" "a3bf25696463d3afac81c43e4a2639bff970238108ee0bf4d23b8b148af7fcbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3bf25696463d3afac81c43e4a2639bff970238108ee0bf4d23b8b148af7fcbc", kill_on_drop: false }`
[INFO] [stdout] a3bf25696463d3afac81c43e4a2639bff970238108ee0bf4d23b8b148af7fcbc
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 524f8673b2d11d1d479ec9efa8e543520d31bfa29c647980d752dd5d2cd668a8
[INFO] running `Command { std: "docker" "start" "-a" "524f8673b2d11d1d479ec9efa8e543520d31bfa29c647980d752dd5d2cd668a8", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serde_derive-34d144f97d930984)
[INFO] [stderr]    Doc-tests serde_derive
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test internals::case::rename_variants ... ok
[INFO] [stdout] test internals::case::rename_fields ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/de/enum_adjacently.rs - de::enum_adjacently (line 3) ... ignored
[INFO] [stdout] test src/de/enum_externally.rs - de::enum_externally (line 3) ... ignored
[INFO] [stdout] test src/de/enum_internally.rs - de::enum_internally (line 3) ... ignored
[INFO] [stdout] test src/de/enum_untagged.rs - de::enum_untagged (line 3) ... ignored
[INFO] [stdout] test src/lib.rs - (line 3) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 3) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: could not find `__private228` in `_serde`
[INFO] [stdout]  --> src/lib.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Serialize, Deserialize)]
[INFO] [stdout]   |          ^^^^^^^^^ could not find `__private228` in `_serde`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `__private228` in `_serde`
[INFO] [stdout]  --> src/lib.rs:7:21
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Serialize, Deserialize)]
[INFO] [stdout]   |                     ^^^^^^^^^^^ could not find `__private228` in `_serde`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `__private228` in `_serde`
[INFO] [stdout]  --> src/lib.rs:7:21
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Serialize, Deserialize)]
[INFO] [stdout]   |                     ^^^^^^^^^^^ could not find `__private228` in `_serde`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]   |
[INFO] [stdout] 4 + use std::fmt;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `__private228` in `_serde`
[INFO] [stdout]  --> src/lib.rs:7:21
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Serialize, Deserialize)]
[INFO] [stdout]   |                     ^^^^^^^^^^^ could not find `__private228` in `_serde`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 4 + use std::fmt::Formatter;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 3)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 4 ignored; 0 measured; 0 filtered out; finished in 0.25s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "524f8673b2d11d1d479ec9efa8e543520d31bfa29c647980d752dd5d2cd668a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "524f8673b2d11d1d479ec9efa8e543520d31bfa29c647980d752dd5d2cd668a8", kill_on_drop: false }`
[INFO] [stdout] 524f8673b2d11d1d479ec9efa8e543520d31bfa29c647980d752dd5d2cd668a8