[INFO] fetching crate serde-ndim 2.2.2...
[INFO] testing serde-ndim-2.2.2 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate serde-ndim 2.2.2 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate serde-ndim 2.2.2
[INFO] finished tweaking crates.io crate serde-ndim 2.2.2
[INFO] tweaked toml for crates.io crate serde-ndim 2.2.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde-ndim 2.2.2 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate serde-ndim 2.2.2 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 03041091936b65042ed1f52aafe73bd5e5b8152f353b76a934f700e1eadabaa1
[INFO] running `Command { std: "docker" "start" "03041091936b65042ed1f52aafe73bd5e5b8152f353b76a934f700e1eadabaa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03041091936b65042ed1f52aafe73bd5e5b8152f353b76a934f700e1eadabaa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "03041091936b65042ed1f52aafe73bd5e5b8152f353b76a934f700e1eadabaa1" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03041091936b65042ed1f52aafe73bd5e5b8152f353b76a934f700e1eadabaa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "03041091936b65042ed1f52aafe73bd5e5b8152f353b76a934f700e1eadabaa1" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling serde-ndim v2.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.18s
[INFO] running `Command { std: "docker" "inspect" "03041091936b65042ed1f52aafe73bd5e5b8152f353b76a934f700e1eadabaa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "03041091936b65042ed1f52aafe73bd5e5b8152f353b76a934f700e1eadabaa1" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling getrandom v0.4.3
[INFO] [stderr]    Compiling bitflags v2.13.1
[INFO] [stderr]    Compiling fastrand v2.5.0
[INFO] [stderr]    Compiling similar v2.7.0
[INFO] [stderr]    Compiling serde_json v1.0.151
[INFO] [stderr]    Compiling console v0.16.4
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling syn v3.0.3
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]    Compiling insta v1.48.0
[INFO] [stderr]    Compiling format_serde_error v0.3.0
[INFO] [stderr]    Compiling serde-ndim v2.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `TestWrapper` is never constructed
[INFO] [stdout]   --> src/lib.rs:34:23
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub(crate) struct TestWrapper<A>(#[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<A: crate::de::MakeNDim>(
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 10.42s
[INFO] running `Command { std: "docker" "inspect" "03041091936b65042ed1f52aafe73bd5e5b8152f353b76a934f700e1eadabaa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "03041091936b65042ed1f52aafe73bd5e5b8152f353b76a934f700e1eadabaa1" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: struct `TestWrapper` is never constructed
[INFO] [stderr]   --> src/lib.rs:34:23
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub(crate) struct TestWrapper<A>(#[serde(with = "crate")] pub(crate) A);
[INFO] [stderr]    |                       ^^^^^^^^^^^
[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<A: crate::de::MakeNDim>(
[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/build/serde-ndim/18140c5ae8f30516/out/serde_ndim-18140c5ae8f30516)
[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 serde_ndim
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 50) ... FAILED
[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] 54 | #[derive(Deserialize, Serialize)]
[INFO] [stdout]    |                       ^^^^^^^^^ the trait `NDim` is not implemented for `&_`
[INFO] [stdout] 55 | struct MyStruct {
[INFO] [stdout] 56 |     #[serde(with = "serde_ndim")]
[INFO] [stdout]    |                    ------------ required by a bound introduced by this call
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `serde_ndim::serialize`
[INFO] [stdout]   --> src/ser.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn serialize<'a, A, S: Serializer>(array: &'a A, serializer: S) -> Result<S::Ok, S::Error>
[INFO] [stdout] 49 | where
[INFO] [stdout] 50 |     &'a A: NDim,
[INFO] [stdout]    |            ^^^^ required by this bound in `serialize`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `ndarray` in this scope
[INFO] [stdout]   --> src/lib.rs:57:14
[INFO] [stdout]    |
[INFO] [stdout] 57 |     ndarray: ndarray::ArrayD<f32>,
[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] 49 + 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 0.20s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "03041091936b65042ed1f52aafe73bd5e5b8152f353b76a934f700e1eadabaa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03041091936b65042ed1f52aafe73bd5e5b8152f353b76a934f700e1eadabaa1", kill_on_drop: false }`
[INFO] [stdout] 03041091936b65042ed1f52aafe73bd5e5b8152f353b76a934f700e1eadabaa1
