[INFO] fetching crate serde_more_derive 0.1.4...
[INFO] testing serde_more_derive-0.1.4 against beta-2026-01-20 for beta-1.94-1
[INFO] extracting crate serde_more_derive 0.1.4 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate serde_more_derive 0.1.4
[INFO] finished tweaking crates.io crate serde_more_derive 0.1.4
[INFO] tweaked toml for crates.io crate serde_more_derive 0.1.4 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde_more_derive 0.1.4 on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate serde_more_derive 0.1.4 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-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f6eeee0b7bdc30dedf485b0616bd5194e0546165bb82f9818e2eb1f01ca2353
[INFO] running `Command { std: "docker" "start" "-a" "9f6eeee0b7bdc30dedf485b0616bd5194e0546165bb82f9818e2eb1f01ca2353", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f6eeee0b7bdc30dedf485b0616bd5194e0546165bb82f9818e2eb1f01ca2353", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f6eeee0b7bdc30dedf485b0616bd5194e0546165bb82f9818e2eb1f01ca2353", kill_on_drop: false }`
[INFO] [stdout] 9f6eeee0b7bdc30dedf485b0616bd5194e0546165bb82f9818e2eb1f01ca2353
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5bea14f0264c2abfa8051c0c774d10c8be110ef721bc421f3dcd1eea5d3e927
[INFO] running `Command { std: "docker" "start" "-a" "c5bea14f0264c2abfa8051c0c774d10c8be110ef721bc421f3dcd1eea5d3e927", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling serde_more_derive v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.62s
[INFO] running `Command { std: "docker" "inspect" "c5bea14f0264c2abfa8051c0c774d10c8be110ef721bc421f3dcd1eea5d3e927", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5bea14f0264c2abfa8051c0c774d10c8be110ef721bc421f3dcd1eea5d3e927", kill_on_drop: false }`
[INFO] [stdout] c5bea14f0264c2abfa8051c0c774d10c8be110ef721bc421f3dcd1eea5d3e927
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c61b68307f97259e852bdcdd5172e0a59b0c7b0b3517b6fe570e5b2292acdbe2
[INFO] running `Command { std: "docker" "start" "-a" "c61b68307f97259e852bdcdd5172e0a59b0c7b0b3517b6fe570e5b2292acdbe2", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde_more_derive v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.77s
[INFO] running `Command { std: "docker" "inspect" "c61b68307f97259e852bdcdd5172e0a59b0c7b0b3517b6fe570e5b2292acdbe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c61b68307f97259e852bdcdd5172e0a59b0c7b0b3517b6fe570e5b2292acdbe2", kill_on_drop: false }`
[INFO] [stdout] c61b68307f97259e852bdcdd5172e0a59b0c7b0b3517b6fe570e5b2292acdbe2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f6d5b6bfaef97f82d272facbe5f98ad7139cc29bea4e4a58176f33a81ea2b55c
[INFO] running `Command { std: "docker" "start" "-a" "f6d5b6bfaef97f82d272facbe5f98ad7139cc29bea4e4a58176f33a81ea2b55c", 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_more_derive-822c3304232933ef)
[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] [stderr]    Doc-tests serde_more_derive
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - serialize_more_derive (line 20) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - serialize_more_derive (line 20) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `serde_more`
[INFO] [stdout]   --> src/lib.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use serde_more::SerializeMore;
[INFO] [stdout]    |     ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_more`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `serde_more`, use `cargo add serde_more` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `more` in this scope
[INFO] [stdout]   --> src/lib.rs:26:3
[INFO] [stdout]    |
[INFO] [stdout] 26 | #[more(key="next", value="get_next")]
[INFO] [stdout]    |   ^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: `more` is an attribute that can be used by the derive macro `SerializeMore`, you might be missing a `derive` attribute
[INFO] [stdout]    |
[INFO] [stdout] 34 + #[derive(SerializeMore)]
[INFO] [stdout] 35 | struct Index {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `more` in this scope
[INFO] [stdout]   --> src/lib.rs:28:3
[INFO] [stdout]    |
[INFO] [stdout] 28 | #[more(k="description", v="get_description")]
[INFO] [stdout]    |   ^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: `more` is an attribute that can be used by the derive macro `SerializeMore`, you might be missing a `derive` attribute
[INFO] [stdout]    |
[INFO] [stdout] 34 + #[derive(SerializeMore)]
[INFO] [stdout] 35 | struct Index {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `more` in this scope
[INFO] [stdout]   --> src/lib.rs:30:3
[INFO] [stdout]    |
[INFO] [stdout] 30 | #[more(k="name")]
[INFO] [stdout]    |   ^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: `more` is an attribute that can be used by the derive macro `SerializeMore`, you might be missing a `derive` attribute
[INFO] [stdout]    |
[INFO] [stdout] 34 + #[derive(SerializeMore)]
[INFO] [stdout] 35 | struct Index {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `more` in this scope
[INFO] [stdout]   --> src/lib.rs:33:3
[INFO] [stdout]    |
[INFO] [stdout] 33 | #[more(key="previous", position="front")]
[INFO] [stdout]    |   ^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: `more` is an attribute that can be used by the derive macro `SerializeMore`, you might be missing a `derive` attribute
[INFO] [stdout]    |
[INFO] [stdout] 34 + #[derive(SerializeMore)]
[INFO] [stdout] 35 | struct Index {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Index: serde::Serialize` is not satisfied
[INFO] [stdout]    --> src/lib.rs:58:39
[INFO] [stdout]     |
[INFO] [stdout]  58 |     let value = serde_json::to_value(&idx).unwrap();
[INFO] [stdout]     |                 --------------------  ^^^ unsatisfied trait bound
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout] help: the trait `serde::Serialize` is not implemented for `Index`
[INFO] [stdout]    --> src/lib.rs:34:1
[INFO] [stdout]     |
[INFO] [stdout]  34 | struct Index {
[INFO] [stdout]     | ^^^^^^^^^^^^
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stdout]     = note: for local types consider adding `#[derive(serde::Serialize)]` to your `Index` type
[INFO] [stdout]     = note: for types from other crates check whether the crate offers a `serde` feature flag
[INFO] [stdout]     = help: the following other types implement trait `serde::Serialize`:
[INFO] [stdout]               &'a T
[INFO] [stdout]               &'a mut T
[INFO] [stdout]               ()
[INFO] [stdout]               (T,)
[INFO] [stdout]               (T0, T1)
[INFO] [stdout]               (T0, T1, T2)
[INFO] [stdout]               (T0, T1, T2, T3)
[INFO] [stdout]               (T0, T1, T2, T3, T4)
[INFO] [stdout]             and 129 others
[INFO] [stdout]     = note: required for `&Index` to implement `serde::Serialize`
[INFO] [stdout] note: required by a bound in `to_value`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_json-1.0.145/src/value/mod.rs:997:8
[INFO] [stdout]     |
[INFO] [stdout] 995 | pub fn to_value<T>(value: T) -> Result<Value, Error>
[INFO] [stdout]     |        -------- required by a bound in this function
[INFO] [stdout] 996 | where
[INFO] [stdout] 997 |     T: Serialize,
[INFO] [stdout]     |        ^^^^^^^^^ required by this bound in `to_value`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0432.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - serialize_more_derive (line 20)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.22s; merged doctests compilation took 0.10s
[INFO] running `Command { std: "docker" "inspect" "f6d5b6bfaef97f82d272facbe5f98ad7139cc29bea4e4a58176f33a81ea2b55c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6d5b6bfaef97f82d272facbe5f98ad7139cc29bea4e4a58176f33a81ea2b55c", kill_on_drop: false }`
[INFO] [stdout] f6d5b6bfaef97f82d272facbe5f98ad7139cc29bea4e4a58176f33a81ea2b55c
