[INFO] fetching crate msgpack-numpy 0.1.3...
[INFO] testing msgpack-numpy-0.1.3 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate msgpack-numpy 0.1.3 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate msgpack-numpy 0.1.3
[INFO] finished tweaking crates.io crate msgpack-numpy 0.1.3
[INFO] tweaked toml for crates.io crate msgpack-numpy 0.1.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate msgpack-numpy 0.1.3 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate msgpack-numpy 0.1.3 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: file `/workspace/builds/worker-4-tc1/source/benches/bench_serialize_and_deserialize.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `bench_serialize_and_deserialize`
[INFO] [stderr]   * `bench` target `bench_serialize_and_deserialize`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rstest_macros v0.22.0
[INFO] [stderr]   Downloaded ctor v0.2.8
[INFO] [stderr]   Downloaded rstest v0.22.0
[INFO] [stderr]   Downloaded syn v2.0.68
[INFO] [stderr]   Downloaded regex v1.10.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7bf625eec2f3a376bf77b41a546f4d7a07a5b63218c3b5834f1cbdeaef5f4c28
[INFO] running `Command { std: "docker" "start" "-a" "7bf625eec2f3a376bf77b41a546f4d7a07a5b63218c3b5834f1cbdeaef5f4c28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7bf625eec2f3a376bf77b41a546f4d7a07a5b63218c3b5834f1cbdeaef5f4c28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bf625eec2f3a376bf77b41a546f4d7a07a5b63218c3b5834f1cbdeaef5f4c28", kill_on_drop: false }`
[INFO] [stdout] 7bf625eec2f3a376bf77b41a546f4d7a07a5b63218c3b5834f1cbdeaef5f4c28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8b0d13c9419c625afaaf6551841066a2183a9f84a84778a3a84e441c0783a3b
[INFO] running `Command { std: "docker" "start" "-a" "a8b0d13c9419c625afaaf6551841066a2183a9f84a84778a3a84e441c0783a3b", kill_on_drop: false }`
[INFO] [stderr] warning: file `/opt/rustwide/workdir/benches/bench_serialize_and_deserialize.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `bench_serialize_and_deserialize`
[INFO] [stderr]   * `bench` target `bench_serialize_and_deserialize`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling matrixmultiply v0.3.9
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.68
[INFO] [stderr]    Compiling rmp v0.8.14
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling half v2.4.1
[INFO] [stderr]    Compiling ndarray v0.15.6
[INFO] [stderr]    Compiling serde_derive v1.0.203
[INFO] [stderr]    Compiling thiserror-impl v1.0.61
[INFO] [stderr]    Compiling thiserror v1.0.61
[INFO] [stderr]    Compiling serde_bytes v0.11.15
[INFO] [stderr]    Compiling rmp-serde v1.3.0
[INFO] [stderr]    Compiling msgpack-numpy v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/serde.rs:656:11
[INFO] [stdout]     |
[INFO] [stdout] 656 |     data: &[u8],
[INFO] [stdout]     |           ^^^^^ the lifetime is elided here
[INFO] [stdout] 657 |     shape: IxDyn,
[INFO] [stdout] 658 | ) -> Result<CowArray<T, IxDyn>, NDArrayError> {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 658 | ) -> Result<CowArray<'_, T, IxDyn>, NDArrayError> {
[INFO] [stdout]     |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/serde.rs:673:43
[INFO] [stdout]     |
[INFO] [stdout] 673 | unsafe fn transmute_slice<T: Clone>(data: &[u8]) -> Option<Cow<[T]>> {
[INFO] [stdout]     |                                           ^^^^^            ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                           |
[INFO] [stdout]     |                                           the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 673 | unsafe fn transmute_slice<T: Clone>(data: &[u8]) -> Option<Cow<'_, [T]>> {
[INFO] [stdout]     |                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.01s
[INFO] running `Command { std: "docker" "inspect" "a8b0d13c9419c625afaaf6551841066a2183a9f84a84778a3a84e441c0783a3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8b0d13c9419c625afaaf6551841066a2183a9f84a84778a3a84e441c0783a3b", kill_on_drop: false }`
[INFO] [stdout] a8b0d13c9419c625afaaf6551841066a2183a9f84a84778a3a84e441c0783a3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 093b8e410ffbe74a6c16b114b983a4966bcae2c384530d7ba5805f51943e773c
[INFO] running `Command { std: "docker" "start" "-a" "093b8e410ffbe74a6c16b114b983a4966bcae2c384530d7ba5805f51943e773c", kill_on_drop: false }`
[INFO] [stderr] warning: file `/opt/rustwide/workdir/benches/bench_serialize_and_deserialize.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `bench_serialize_and_deserialize`
[INFO] [stderr]   * `bench` target `bench_serialize_and_deserialize`
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling toml_datetime v0.6.6
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling relative-path v1.9.3
[INFO] [stderr]    Compiling futures-timer v3.0.3
[INFO] [stderr]    Compiling syn v2.0.68
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling rstest_macros v0.22.0
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling toml_edit v0.21.1
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling proc-macro-crate v3.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.203
[INFO] [stderr]    Compiling thiserror-impl v1.0.61
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling ctor v0.2.8
[INFO] [stderr]    Compiling regex v1.10.5
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling thiserror v1.0.61
[INFO] [stderr]    Compiling futures-executor v0.3.30
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling rstest v0.22.0
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling rmp-serde v1.3.0
[INFO] [stderr]    Compiling serde_bytes v0.11.15
[INFO] [stderr]    Compiling msgpack-numpy v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/serde.rs:656:11
[INFO] [stdout]     |
[INFO] [stdout] 656 |     data: &[u8],
[INFO] [stdout]     |           ^^^^^ the lifetime is elided here
[INFO] [stdout] 657 |     shape: IxDyn,
[INFO] [stdout] 658 | ) -> Result<CowArray<T, IxDyn>, NDArrayError> {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 658 | ) -> Result<CowArray<'_, T, IxDyn>, NDArrayError> {
[INFO] [stdout]     |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/serde.rs:673:43
[INFO] [stdout]     |
[INFO] [stdout] 673 | unsafe fn transmute_slice<T: Clone>(data: &[u8]) -> Option<Cow<[T]>> {
[INFO] [stdout]     |                                           ^^^^^            ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                           |
[INFO] [stdout]     |                                           the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 673 | unsafe fn transmute_slice<T: Clone>(data: &[u8]) -> Option<Cow<'_, [T]>> {
[INFO] [stdout]     |                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/serde.rs:656:11
[INFO] [stdout]     |
[INFO] [stdout] 656 |     data: &[u8],
[INFO] [stdout]     |           ^^^^^ the lifetime is elided here
[INFO] [stdout] 657 |     shape: IxDyn,
[INFO] [stdout] 658 | ) -> Result<CowArray<T, IxDyn>, NDArrayError> {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 658 | ) -> Result<CowArray<'_, T, IxDyn>, NDArrayError> {
[INFO] [stdout]     |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/serde.rs:673:43
[INFO] [stdout]     |
[INFO] [stdout] 673 | unsafe fn transmute_slice<T: Clone>(data: &[u8]) -> Option<Cow<[T]>> {
[INFO] [stdout]     |                                           ^^^^^            ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                           |
[INFO] [stdout]     |                                           the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 673 | unsafe fn transmute_slice<T: Clone>(data: &[u8]) -> Option<Cow<'_, [T]>> {
[INFO] [stdout]     |                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `used_linker`
[INFO] [stdout]   --> tests/test_deserialize.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[ctor]
[INFO] [stdout]    | ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = note: using a cfg inside a attribute macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `ctor` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the attribute macro `ctor` may come from an old version of the `ctor` crate, try updating your dependency with `cargo update -p ctor`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout]    = note: this warning originates in the attribute macro `ctor` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 31.24s
[INFO] running `Command { std: "docker" "inspect" "093b8e410ffbe74a6c16b114b983a4966bcae2c384530d7ba5805f51943e773c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "093b8e410ffbe74a6c16b114b983a4966bcae2c384530d7ba5805f51943e773c", kill_on_drop: false }`
[INFO] [stdout] 093b8e410ffbe74a6c16b114b983a4966bcae2c384530d7ba5805f51943e773c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ff33a122611827bd44bdd655a4a4bbbb84bc15a22c71808f44efd9baf8cb6d43
[INFO] running `Command { std: "docker" "start" "-a" "ff33a122611827bd44bdd655a4a4bbbb84bc15a22c71808f44efd9baf8cb6d43", kill_on_drop: false }`
[INFO] [stderr] warning: file `/opt/rustwide/workdir/benches/bench_serialize_and_deserialize.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `bench_serialize_and_deserialize`
[INFO] [stderr]   * `bench` target `bench_serialize_and_deserialize`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/serde.rs:656:11
[INFO] [stderr]     |
[INFO] [stderr] 656 |     data: &[u8],
[INFO] [stderr]     |           ^^^^^ the lifetime is elided here
[INFO] [stderr] 657 |     shape: IxDyn,
[INFO] [stderr] 658 | ) -> Result<CowArray<T, IxDyn>, NDArrayError> {
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 658 | ) -> Result<CowArray<'_, T, IxDyn>, NDArrayError> {
[INFO] [stderr]     |                      +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/serde.rs:673:43
[INFO] [stderr]     |
[INFO] [stderr] 673 | unsafe fn transmute_slice<T: Clone>(data: &[u8]) -> Option<Cow<[T]>> {
[INFO] [stderr]     |                                           ^^^^^            ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                                           |
[INFO] [stderr]     |                                           the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 673 | unsafe fn transmute_slice<T: Clone>(data: &[u8]) -> Option<Cow<'_, [T]>> {
[INFO] [stderr]     |                                                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: `msgpack-numpy` (lib) generated 2 warnings (run `cargo fix --lib -p msgpack-numpy` to apply 2 suggestions)
[INFO] [stderr] warning: unexpected `cfg` condition value: `used_linker`
[INFO] [stderr]   --> tests/test_deserialize.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | #[ctor]
[INFO] [stderr]    | ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: no expected values for `feature`
[INFO] [stderr]    = note: using a cfg inside a attribute macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stderr]    = help: try referring to `ctor` crate for guidance on how handle this unexpected cfg
[INFO] [stderr]    = help: the attribute macro `ctor` may come from an old version of the `ctor` crate, try updating your dependency with `cargo update -p ctor`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr]    = note: this warning originates in the attribute macro `ctor` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `msgpack-numpy` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr] warning: `msgpack-numpy` (test "test_deserialize") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/msgpack_numpy-2c24dc2aca5db601)
[INFO] [stdout] running 3 tests
[INFO] [stderr]      Running unittests benches/bench_serialize_and_deserialize.rs (/opt/rustwide/target/debug/deps/bench_serialize_and_deserialize-f518733952426c0c)
[INFO] [stdout] test serde::tests::test_scalar_serialization ... ok
[INFO] [stderr]      Running unittests tests/helpers/serialize.rs (/opt/rustwide/target/debug/deps/test_helpers_serialize-f218cd46e9773c2d)
[INFO] [stdout] test serde::tests::test_cowndarray_serialization ... ok
[INFO] [stderr]      Running tests/test_deserialize.rs (/opt/rustwide/target/debug/deps/test_deserialize-b190206b86fd6aaf)
[INFO] [stdout] test serde::tests::test_ndarray_serialization ... ok
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] thread '<unnamed>' (30) panicked at tests/test_deserialize.rs:18:10:
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] 
[INFO] [stderr] stack backtrace:
[INFO] [stdout] 
[INFO] [stderr]    0:     0x56b101ff0b32 - std::backtrace_rs::backtrace::libunwind::trace::ha50a1f28c7a10cf8
[INFO] [stdout] running 0 tests
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout] 
[INFO] [stderr]    1:     0x56b101ff0b32 - std::backtrace_rs::backtrace::trace_unsynchronized::h34f8c4ec82a320bc
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout] 
[INFO] [stderr]    2:     0x56b101ff0b32 - std::sys::backtrace::_print_fmt::h2d23e84e13d343bc
[INFO] [stdout] 
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout] running 0 tests
[INFO] [stderr]    3:     0x56b101ff0b32 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hde21067283f7e82e
[INFO] [stdout] 
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    4:     0x56b1020025df - core::fmt::rt::Argument::fmt::he65307037dca33c6
[INFO] [stdout] 
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout] Running setup...
[INFO] [stderr]    5:     0x56b1020025df - core::fmt::write::h24186904251c31cb
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/fmt/mod.rs:1469:25
[INFO] [stderr]    6:     0x56b101fbe193 - std::io::default_write_fmt::hdc5d19b6df666f61
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/io/mod.rs:639:11
[INFO] [stderr]    7:     0x56b101fbe193 - std::io::Write::write_fmt::h3ab9f1f4d8d19b72
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]    8:     0x56b101fca142 - std::sys::backtrace::BacktraceLock::print::he038489aba5894a6
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]    9:     0x56b101fced7f - std::panicking::default_hook::{{closure}}::h80a26d916c49679b
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:301:27
[INFO] [stderr]   10:     0x56b101fcebd9 - std::panicking::default_hook::he2e9efee79b3dce9
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:328:9
[INFO] [stderr]   11:     0x56b101fcf355 - std::panicking::panic_with_hook::hf5648b7cec6bc73e
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:834:13
[INFO] [stderr]   12:     0x56b101fcf1ea - std::panicking::panic_handler::{{closure}}::h1b2ed3864ba94359
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:707:13
[INFO] [stderr]   13:     0x56b101fca289 - std::sys::backtrace::__rust_end_short_backtrace::hd0186b2b27f5aaa7
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]   14:     0x56b101fb2a8d - __rustc[f7dae8b92efe1d7a]::rust_begin_unwind
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:698:5
[INFO] [stderr]   15:     0x56b10200a0a0 - core::panicking::panic_fmt::hb5d6b83773432920
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/panicking.rs:80:14
[INFO] [stderr]   16:     0x56b102009626 - core::result::unwrap_failed::h427ee4a8bb06d8af
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/result.rs:1862:5
[INFO] [stderr]   17:     0x56b101f30f5a - core::result::Result<T,E>::unwrap::hf23eab6b06155e06
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/result.rs:1233:23
[INFO] [stderr]   18:     0x56b101f30f5a - test_deserialize::setup::h006fd7e6a4e1efa6
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/test_deserialize.rs:18:10
[INFO] [stderr]   19:     0x56b101f2b516 - test_deserialize::setup___rust_ctor___ctor::setup___rust_ctor___ctor::h0647f5fc12c7a291
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/test_deserialize.rs:12:1
[INFO] [stderr]   20:     0x7ff152f7a304 - __libc_start_main
[INFO] [stderr]   21:     0x56b101e83805 - _start
[INFO] [stderr]   22:                0x0 - <unknown>
[INFO] [stderr] fatal runtime error: failed to initiate panic, error 5, aborting
[INFO] [stderr] error: test failed, to rerun pass `--test test_deserialize`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/test_deserialize-b190206b86fd6aaf` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "ff33a122611827bd44bdd655a4a4bbbb84bc15a22c71808f44efd9baf8cb6d43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff33a122611827bd44bdd655a4a4bbbb84bc15a22c71808f44efd9baf8cb6d43", kill_on_drop: false }`
[INFO] [stdout] ff33a122611827bd44bdd655a4a4bbbb84bc15a22c71808f44efd9baf8cb6d43
