[INFO] fetching crate serde-ndim 2.1.0... [INFO] testing serde-ndim-2.1.0 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate serde-ndim 2.1.0 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate serde-ndim 2.1.0 [INFO] finished tweaking crates.io crate serde-ndim 2.1.0 [INFO] tweaked toml for crates.io crate serde-ndim 2.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate serde-ndim 2.1.0 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-ndim 2.1.0 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 762d15d66a963824bad346e074166774538188ef5969c124722ab0f345c16f26 [INFO] running `Command { std: "docker" "start" "-a" "762d15d66a963824bad346e074166774538188ef5969c124722ab0f345c16f26", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "762d15d66a963824bad346e074166774538188ef5969c124722ab0f345c16f26", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "762d15d66a963824bad346e074166774538188ef5969c124722ab0f345c16f26", kill_on_drop: false }` [INFO] [stdout] 762d15d66a963824bad346e074166774538188ef5969c124722ab0f345c16f26 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e253fc033f9b91a6b1564ba022b74cecbce319053878105d5c4d9d8c55a92393 [INFO] running `Command { std: "docker" "start" "-a" "e253fc033f9b91a6b1564ba022b74cecbce319053878105d5c4d9d8c55a92393", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.208 [INFO] [stderr] Compiling serde-ndim v2.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.58s [INFO] running `Command { std: "docker" "inspect" "e253fc033f9b91a6b1564ba022b74cecbce319053878105d5c4d9d8c55a92393", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e253fc033f9b91a6b1564ba022b74cecbce319053878105d5c4d9d8c55a92393", kill_on_drop: false }` [INFO] [stdout] e253fc033f9b91a6b1564ba022b74cecbce319053878105d5c4d9d8c55a92393 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 348498b174dda4ce8ed410d8fcdc556fb2689af8f438612d283a45ca413063da [INFO] running `Command { std: "docker" "start" "-a" "348498b174dda4ce8ed410d8fcdc556fb2689af8f438612d283a45ca413063da", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling serde v1.0.208 [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Compiling serde_json v1.0.125 [INFO] [stderr] Compiling similar v2.6.0 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling syn v2.0.75 [INFO] [stderr] Compiling console v0.15.8 [INFO] [stderr] Compiling insta v1.39.0 [INFO] [stderr] Compiling serde_derive v1.0.208 [INFO] [stderr] Compiling serde-ndim v2.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling format_serde_error v0.3.0 [INFO] [stdout] warning: struct `TestWrapper` is never constructed [INFO] [stdout] --> src/lib.rs:34:23 [INFO] [stdout] | [INFO] [stdout] 34 | pub(crate) struct TestWrapper(#[serde(with = "crate")] pub(crate) A); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_roundtrip` is never used [INFO] [stdout] --> src/lib.rs:36:19 [INFO] [stdout] | [INFO] [stdout] 36 | pub(crate) fn test_roundtrip( [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 12.18s [INFO] running `Command { std: "docker" "inspect" "348498b174dda4ce8ed410d8fcdc556fb2689af8f438612d283a45ca413063da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "348498b174dda4ce8ed410d8fcdc556fb2689af8f438612d283a45ca413063da", kill_on_drop: false }` [INFO] [stdout] 348498b174dda4ce8ed410d8fcdc556fb2689af8f438612d283a45ca413063da [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f69c669f980cc08e5f6269c299e38d19a36b95ab6b82f544dbcaf014d11cd611 [INFO] running `Command { std: "docker" "start" "-a" "f69c669f980cc08e5f6269c299e38d19a36b95ab6b82f544dbcaf014d11cd611", kill_on_drop: false }` [INFO] [stderr] warning: struct `TestWrapper` is never constructed [INFO] [stdout] [INFO] [stderr] --> src/lib.rs:34:23 [INFO] [stdout] running 0 tests [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] 34 | pub(crate) struct TestWrapper(#[serde(with = "crate")] pub(crate) A); [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: function `test_roundtrip` is never used [INFO] [stderr] --> src/lib.rs:36:19 [INFO] [stderr] | [INFO] [stderr] 36 | pub(crate) fn test_roundtrip( [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `serde-ndim` (lib test) generated 2 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serde_ndim-384dedc97b63bf17) [INFO] [stderr] Doc-tests serde_ndim [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 50) ... FAILED [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 50) stdout ---- [INFO] [stdout] error[E0277]: the trait bound `&_: NDim` is not satisfied [INFO] [stdout] --> src/lib.rs:54:23 [INFO] [stdout] | [INFO] [stdout] 7 | #[derive(Deserialize, Serialize)] [INFO] [stdout] | ^^^^^^^^^ the trait `NDim` is not implemented for `&_` [INFO] [stdout] | [INFO] [stdout] note: required by a bound in `serde_ndim::serialize` [INFO] [stdout] --> /opt/rustwide/workdir/src/ser.rs:50:12 [INFO] [stdout] | [INFO] [stdout] 48 | pub fn serialize<'a, A, S: Serializer>(array: &'a A, serializer: S) -> Result [INFO] [stdout] | --------- required by a bound in this function [INFO] [stdout] 49 | where [INFO] [stdout] 50 | &'a A: NDim, [INFO] [stdout] | ^^^^ required by this bound in `serialize` [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: use of unresolved module or unlinked crate `ndarray` [INFO] [stdout] --> src/lib.rs:57:14 [INFO] [stdout] | [INFO] [stdout] 10 | ndarray: ndarray::ArrayD, [INFO] [stdout] | ^^^^^^^ use of unresolved module or unlinked crate `ndarray` [INFO] [stdout] | [INFO] [stdout] help: to make use of source file src/ndarray.rs, use `mod ndarray` in this file to declare the module [INFO] [stdout] | [INFO] [stdout] 2 + mod ndarray; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0433. [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 - (line 50) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.22s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "f69c669f980cc08e5f6269c299e38d19a36b95ab6b82f544dbcaf014d11cd611", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f69c669f980cc08e5f6269c299e38d19a36b95ab6b82f544dbcaf014d11cd611", kill_on_drop: false }` [INFO] [stdout] f69c669f980cc08e5f6269c299e38d19a36b95ab6b82f544dbcaf014d11cd611