[INFO] fetching crate mergeme_derive 0.2.0...
[INFO] testing mergeme_derive-0.2.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate mergeme_derive 0.2.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate mergeme_derive 0.2.0
[INFO] finished tweaking crates.io crate mergeme_derive 0.2.0
[INFO] tweaked toml for crates.io crate mergeme_derive 0.2.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mergeme_derive 0.2.0 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 mergeme_derive 0.2.0 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-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] 9a7577989f08bc86b235f2c32c52bfe33c181768df40ad9a67a17acde1382d3e
[INFO] running `Command { std: "docker" "start" "-a" "9a7577989f08bc86b235f2c32c52bfe33c181768df40ad9a67a17acde1382d3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a7577989f08bc86b235f2c32c52bfe33c181768df40ad9a67a17acde1382d3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a7577989f08bc86b235f2c32c52bfe33c181768df40ad9a67a17acde1382d3e", kill_on_drop: false }`
[INFO] [stdout] 9a7577989f08bc86b235f2c32c52bfe33c181768df40ad9a67a17acde1382d3e
[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] 2fbbe4b4040840816d5fe0d95f2ecf403c6d00cc6b50a850033ebb924c6d71b6
[INFO] running `Command { std: "docker" "start" "-a" "2fbbe4b4040840816d5fe0d95f2ecf403c6d00cc6b50a850033ebb924c6d71b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling mergeme_derive v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.76s
[INFO] running `Command { std: "docker" "inspect" "2fbbe4b4040840816d5fe0d95f2ecf403c6d00cc6b50a850033ebb924c6d71b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fbbe4b4040840816d5fe0d95f2ecf403c6d00cc6b50a850033ebb924c6d71b6", kill_on_drop: false }`
[INFO] [stdout] 2fbbe4b4040840816d5fe0d95f2ecf403c6d00cc6b50a850033ebb924c6d71b6
[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] 8d0da0ea3f34458d8b5b6fa1c9166b61564f7c8ba47475337c06cb54f5bdf5f6
[INFO] running `Command { std: "docker" "start" "-a" "8d0da0ea3f34458d8b5b6fa1c9166b61564f7c8ba47475337c06cb54f5bdf5f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling mergeme_derive v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 9.84s
[INFO] running `Command { std: "docker" "inspect" "8d0da0ea3f34458d8b5b6fa1c9166b61564f7c8ba47475337c06cb54f5bdf5f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d0da0ea3f34458d8b5b6fa1c9166b61564f7c8ba47475337c06cb54f5bdf5f6", kill_on_drop: false }`
[INFO] [stdout] 8d0da0ea3f34458d8b5b6fa1c9166b61564f7c8ba47475337c06cb54f5bdf5f6
[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] 632e125868f152547c46d7d29c5686062aaadd0417d9215510a90157cfd46bd4
[INFO] running `Command { std: "docker" "start" "-a" "632e125868f152547c46d7d29c5686062aaadd0417d9215510a90157cfd46bd4", 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/mergeme_derive-f2aa42b66dabc029)
[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] [stderr]    Doc-tests mergeme_derive
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test src/lib.rs - derive_merge (line 18) ... FAILED
[INFO] [stdout] test src/lib.rs - derive_merge (line 239) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - derive_merge (line 104) ... FAILED
[INFO] [stdout] test src/lib.rs - derive_merge (line 218) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - derive_merge (line 265) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - derive_merge (line 250) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - derive_merge (line 229) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - derive_merge (line 123) ... FAILED
[INFO] [stdout] test src/lib.rs - derive_merge (line 143) ... FAILED
[INFO] [stdout] test src/lib.rs - derive_merge (line 190) ... FAILED
[INFO] [stdout] test src/lib.rs - derive_merge (line 80) ... FAILED
[INFO] [stdout] test src/lib.rs - derive_merge (line 179) ... FAILED
[INFO] [stdout] test src/lib.rs - derive_merge (line 31) ... ok
[INFO] [stdout] test src/lib.rs - derive_merge (line 206) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - derive_merge (line 18) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: could not find `mergeme` in the list of imported crates
[INFO] [stdout]  --> src/lib.rs:23:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[derive(Merge)]
[INFO] [stdout]   |          ^^^^^ could not find `mergeme` in the list of imported crates
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `Merge` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - derive_merge (line 104) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: could not find `mergeme` in the list of imported crates
[INFO] [stdout]  --> src/lib.rs:108:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(Merge)]
[INFO] [stdout]   |          ^^^^^ could not find `mergeme` in the list of imported crates
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `Merge` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - derive_merge (line 123) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: could not find `mergeme` in the list of imported crates
[INFO] [stdout]  --> src/lib.rs:128:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[derive(Merge)]
[INFO] [stdout]   |          ^^^^^ could not find `mergeme` in the list of imported crates
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `Merge` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - derive_merge (line 143) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `mergeme`
[INFO] [stdout]  --> src/lib.rs:144:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use mergeme::Merge;
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `mergeme`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `mergeme`, use `cargo add mergeme` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `partial` in this scope
[INFO] [stdout]  --> src/lib.rs:148:3
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[partial(PartialTrickyDefault, derive(Deserialize))]
[INFO] [stdout]   |   ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `partial` is an attribute that can be used by the derive macro `Merge`, you might be missing a `derive` attribute
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `partial` in this scope
[INFO] [stdout]   --> src/lib.rs:152:7
[INFO] [stdout]    |
[INFO] [stdout] 11 |     #[partial(serde(default))]
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `partial` is an attribute that can be used by the derive macro `Merge`, you might be missing a `derive` attribute
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `partial` in this scope
[INFO] [stdout]   --> src/lib.rs:156:7
[INFO] [stdout]    |
[INFO] [stdout] 15 |     #[partial(serde(default = "zero_default"))]
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `partial` is an attribute that can be used by the derive macro `Merge`, you might be missing a `derive` attribute
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `PartialTrickyDefault`
[INFO] [stdout]   --> src/lib.rs:170:22
[INFO] [stdout]    |
[INFO] [stdout] 29 | let partial_tricky = PartialTrickyDefault::deserialize(deserializer).unwrap();
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^ use of undeclared type `PartialTrickyDefault`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - derive_merge (line 190) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `mergeme`
[INFO] [stdout]  --> src/lib.rs:191:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use mergeme::Merge;
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `mergeme`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `mergeme`, use `cargo add mergeme` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `partial` in this scope
[INFO] [stdout]  --> src/lib.rs:194:3
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[partial(PartialNamedData)]
[INFO] [stdout]   |   ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `partial` is an attribute that can be used by the derive macro `Merge`, you might be missing a `derive` attribute
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `strategy` in this scope
[INFO] [stdout]   --> src/lib.rs:199:7
[INFO] [stdout]    |
[INFO] [stdout] 11 |     #[strategy(merge)]
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `strategy` is an attribute that can be used by the derive macro `Merge`, you might be missing a `derive` attribute
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - derive_merge (line 80) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: could not find `mergeme` in the list of imported crates
[INFO] [stdout]  --> src/lib.rs:84:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(Merge)]
[INFO] [stdout]   |          ^^^^^ could not find `mergeme` in the list of imported crates
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `Merge` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - derive_merge (line 179) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: could not find `mergeme` in the list of imported crates
[INFO] [stdout]  --> src/lib.rs:183:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(Merge)]
[INFO] [stdout]   |          ^^^^^ could not find `mergeme` in the list of imported crates
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `Merge` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - derive_merge (line 206) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: could not find `mergeme` in the list of imported crates
[INFO] [stdout]  --> src/lib.rs:210:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(Merge)]
[INFO] [stdout]   |          ^^^^^ could not find `mergeme` in the list of imported crates
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `Merge` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[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 - derive_merge (line 104)
[INFO] [stdout]     src/lib.rs - derive_merge (line 123)
[INFO] [stdout]     src/lib.rs - derive_merge (line 143)
[INFO] [stdout]     src/lib.rs - derive_merge (line 179)
[INFO] [stdout]     src/lib.rs - derive_merge (line 18)
[INFO] [stdout]     src/lib.rs - derive_merge (line 190)
[INFO] [stdout]     src/lib.rs - derive_merge (line 206)
[INFO] [stdout]     src/lib.rs - derive_merge (line 80)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 6 passed; 8 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.44s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.62s; merged doctests compilation took 0.18s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "632e125868f152547c46d7d29c5686062aaadd0417d9215510a90157cfd46bd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "632e125868f152547c46d7d29c5686062aaadd0417d9215510a90157cfd46bd4", kill_on_drop: false }`
[INFO] [stdout] 632e125868f152547c46d7d29c5686062aaadd0417d9215510a90157cfd46bd4
