[INFO] fetching crate wasmtime-py 0.15.0...
[INFO] checking wasmtime-py-0.15.0 against try#8b72f65b805cbe4c261de45030d663f524f27376 for pr-78991
[INFO] extracting crate wasmtime-py 0.15.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate wasmtime-py 0.15.0 on toolchain 8b72f65b805cbe4c261de45030d663f524f27376
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasmtime-py 0.15.0
[INFO] finished tweaking crates.io crate wasmtime-py 0.15.0
[INFO] tweaked toml for crates.io crate wasmtime-py 0.15.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.62.0
[INFO] [stderr]   Downloaded pyo3 v0.8.5
[INFO] [stderr]   Downloaded pyo3cls v0.8.5
[INFO] [stderr]   Downloaded wasmtime-profiling v0.15.0
[INFO] [stderr]   Downloaded cranelift-frontend v0.62.0
[INFO] [stderr]   Downloaded wasmtime v0.15.0
[INFO] [stderr]   Downloaded yanix v0.15.0
[INFO] [stderr]   Downloaded wasmtime-environ v0.15.0
[INFO] [stderr]   Downloaded wasmtime-jit v0.15.0
[INFO] [stderr]   Downloaded cranelift-native v0.62.0
[INFO] [stderr]   Downloaded wasmtime-debug v0.15.0
[INFO] [stderr]   Downloaded wasmparser v0.51.4
[INFO] [stderr]   Downloaded pyo3-derive-backend v0.8.5
[INFO] [stderr]   Downloaded faerie v0.15.0
[INFO] [stderr]   Downloaded object v0.18.0
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.62.0
[INFO] [stderr]   Downloaded cranelift-entity v0.62.0
[INFO] [stderr]   Downloaded cranelift-codegen v0.62.0
[INFO] [stderr]   Downloaded gimli v0.20.0
[INFO] [stderr]   Downloaded wasmtime-runtime v0.15.0
[INFO] [stderr]   Downloaded cranelift-bforest v0.62.0
[INFO] [stderr]   Downloaded cranelift-wasm v0.62.0
[INFO] [stderr]   Downloaded wig v0.15.0
[INFO] [stderr]   Downloaded winx v0.15.0
[INFO] [stderr]   Downloaded wasmtime-wasi v0.15.0
[INFO] [stderr]   Downloaded wasi-common v0.15.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2019c59bd64a52565691b6786798affd87a33563252316521c9426faaef47845
[INFO] running `Command { std: "docker" "start" "-a" "2019c59bd64a52565691b6786798affd87a33563252316521c9426faaef47845", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2019c59bd64a52565691b6786798affd87a33563252316521c9426faaef47845", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2019c59bd64a52565691b6786798affd87a33563252316521c9426faaef47845", kill_on_drop: false }`
[INFO] [stdout] 2019c59bd64a52565691b6786798affd87a33563252316521c9426faaef47845
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d17e777e183b2e49626090c058e8b7f20a4ae60fee8aefec583cfb939bd20955
[INFO] running `Command { std: "docker" "start" "-a" "d17e777e183b2e49626090c058e8b7f20a4ae60fee8aefec583cfb939bd20955", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.62.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking wasmparser v0.51.4
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling leb128 v0.2.4
[INFO] [stderr]    Compiling wasmtime-environ v0.15.0
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling unicode-segmentation v1.7.0
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling wasi-common v0.15.0
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]    Compiling wasmtime-wasi v0.15.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking wast v22.0.0
[INFO] [stderr]     Checking wast v27.0.0
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling anyhow v1.0.34
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking errno v0.2.7
[INFO] [stderr]     Checking region v2.2.0
[INFO] [stderr]     Checking filetime v0.2.13
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]    Compiling cc v1.0.62
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking backtrace v0.3.54
[INFO] [stderr]     Checking aho-corasick v0.7.15
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[INFO] [stderr]     Checking gimli v0.20.0
[INFO] [stderr]     Checking object v0.18.0
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking rayon v1.5.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]    Compiling zstd-sys v1.4.17+zstd.1.4.5
[INFO] [stderr]    Compiling raw-cpuid v7.0.3
[INFO] [stderr]    Compiling wasmtime-runtime v0.15.0
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking wat v1.0.28
[INFO] [stderr]     Checking file-per-thread-logger v0.1.4
[INFO] [stderr]    Compiling pyo3-derive-backend v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling scroll_derive v0.10.4
[INFO] [stderr]    Compiling inventory-impl v0.1.9
[INFO] [stderr]    Compiling ctor v0.1.16
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling pyo3cls v0.8.5
[INFO] [stderr]     Checking indoc v0.3.6
[INFO] [stderr]     Checking inventory v0.1.9
[INFO] [stderr]     Checking scroll v0.10.2
[INFO] [stderr]     Checking goblin v0.1.3
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]    Compiling witx v0.8.7
[INFO] [stderr]    Compiling wiggle-generate v0.15.0
[INFO] [stderr]    Compiling wig v0.15.0
[INFO] [stderr]    Compiling wiggle-macro v0.15.0
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking wiggle v0.15.0
[INFO] [stderr]     Checking cranelift-entity v0.62.0
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Checking string-interner v0.7.1
[INFO] [stderr]     Checking faerie v0.15.0
[INFO] [stderr]     Checking cranelift-bforest v0.62.0
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.62.0
[INFO] [stderr]    Compiling pyo3 v0.8.5
[INFO] [stderr]     Checking zstd-safe v2.0.5+zstd.1.4.5
[INFO] [stderr]     Checking zstd v0.5.3+zstd.1.4.5
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pyo3-0.8.5/src/class/basic.rs:364:20
[INFO] [stdout]     |
[INFO] [stdout] 364 |     fn tp_str() -> Option<ffi::unaryfunc> {
[INFO] [stdout]     |        ------      ^^^^^^^^^^^^^^^^^^^^^^ expected enum `Option`, found `()`
[INFO] [stdout]     |        |
[INFO] [stdout]     |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `Option<unsafe extern "C" fn(*mut ffi::object::PyObject) -> *mut ffi::object::PyObject>`
[INFO] [stdout]             found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pyo3-0.8.5/src/class/basic.rs:389:21
[INFO] [stdout]     |
[INFO] [stdout] 389 |     fn tp_repr() -> Option<ffi::unaryfunc> {
[INFO] [stdout]     |        -------      ^^^^^^^^^^^^^^^^^^^^^^ expected enum `Option`, found `()`
[INFO] [stdout]     |        |
[INFO] [stdout]     |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `Option<unsafe extern "C" fn(*mut ffi::object::PyObject) -> *mut ffi::object::PyObject>`
[INFO] [stdout]             found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pyo3-0.8.5/src/class/descr.rs:88:26
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn tp_descr_get() -> Option<ffi::descrgetfunc> {
[INFO] [stdout]    |        ------------      ^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `Option`, found `()`
[INFO] [stdout]    |        |
[INFO] [stdout]    |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Option<unsafe extern "C" fn(*mut ffi::object::PyObject, *mut ffi::object::PyObject, *mut ffi::object::PyObject) -> *mut ffi::object::PyObject>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pyo3-0.8.5/src/class/number.rs:1621:25
[INFO] [stdout]      |
[INFO] [stdout] 1621 |     fn nb_negative() -> Option<ffi::unaryfunc> {
[INFO] [stdout]      |        -----------      ^^^^^^^^^^^^^^^^^^^^^^ expected enum `Option`, found `()`
[INFO] [stdout]      |        |
[INFO] [stdout]      |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]      |
[INFO] [stdout]      = note:   expected enum `Option<unsafe extern "C" fn(*mut ffi::object::PyObject) -> *mut ffi::object::PyObject>`
[INFO] [stdout]              found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pyo3-0.8.5/src/class/number.rs:1648:25
[INFO] [stdout]      |
[INFO] [stdout] 1648 |     fn nb_positive() -> Option<ffi::unaryfunc> {
[INFO] [stdout]      |        -----------      ^^^^^^^^^^^^^^^^^^^^^^ expected enum `Option`, found `()`
[INFO] [stdout]      |        |
[INFO] [stdout]      |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]      |
[INFO] [stdout]      = note:   expected enum `Option<unsafe extern "C" fn(*mut ffi::object::PyObject) -> *mut ffi::object::PyObject>`
[INFO] [stdout]              found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pyo3-0.8.5/src/class/number.rs:1675:25
[INFO] [stdout]      |
[INFO] [stdout] 1675 |     fn nb_absolute() -> Option<ffi::unaryfunc> {
[INFO] [stdout]      |        -----------      ^^^^^^^^^^^^^^^^^^^^^^ expected enum `Option`, found `()`
[INFO] [stdout]      |        |
[INFO] [stdout]      |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]      |
[INFO] [stdout]      = note:   expected enum `Option<unsafe extern "C" fn(*mut ffi::object::PyObject) -> *mut ffi::object::PyObject>`
[INFO] [stdout]              found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pyo3-0.8.5/src/class/number.rs:1702:23
[INFO] [stdout]      |
[INFO] [stdout] 1702 |     fn nb_invert() -> Option<ffi::unaryfunc> {
[INFO] [stdout]      |        ---------      ^^^^^^^^^^^^^^^^^^^^^^ expected enum `Option`, found `()`
[INFO] [stdout]      |        |
[INFO] [stdout]      |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]      |
[INFO] [stdout]      = note:   expected enum `Option<unsafe extern "C" fn(*mut ffi::object::PyObject) -> *mut ffi::object::PyObject>`
[INFO] [stdout]              found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pyo3-0.8.5/src/class/number.rs:1729:20
[INFO] [stdout]      |
[INFO] [stdout] 1729 |     fn nb_int() -> Option<ffi::unaryfunc> {
[INFO] [stdout]      |        ------      ^^^^^^^^^^^^^^^^^^^^^^ expected enum `Option`, found `()`
[INFO] [stdout]      |        |
[INFO] [stdout]      |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]      |
[INFO] [stdout]      = note:   expected enum `Option<unsafe extern "C" fn(*mut ffi::object::PyObject) -> *mut ffi::object::PyObject>`
[INFO] [stdout]              found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pyo3-0.8.5/src/class/number.rs:1756:22
[INFO] [stdout]      |
[INFO] [stdout] 1756 |     fn nb_float() -> Option<ffi::unaryfunc> {
[INFO] [stdout]      |        --------      ^^^^^^^^^^^^^^^^^^^^^^ expected enum `Option`, found `()`
[INFO] [stdout]      |        |
[INFO] [stdout]      |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]      |
[INFO] [stdout]      = note:   expected enum `Option<unsafe extern "C" fn(*mut ffi::object::PyObject) -> *mut ffi::object::PyObject>`
[INFO] [stdout]              found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pyo3-0.8.5/src/class/number.rs:1783:22
[INFO] [stdout]      |
[INFO] [stdout] 1783 |     fn nb_index() -> Option<ffi::unaryfunc> {
[INFO] [stdout]      |        --------      ^^^^^^^^^^^^^^^^^^^^^^ expected enum `Option`, found `()`
[INFO] [stdout]      |        |
[INFO] [stdout]      |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]      |
[INFO] [stdout]      = note:   expected enum `Option<unsafe extern "C" fn(*mut ffi::object::PyObject) -> *mut ffi::object::PyObject>`
[INFO] [stdout]              found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pyo3-0.8.5/src/class/pyasync.rs:154:22
[INFO] [stdout]     |
[INFO] [stdout] 154 |     fn am_await() -> Option<ffi::unaryfunc> {
[INFO] [stdout]     |        --------      ^^^^^^^^^^^^^^^^^^^^^^ expected enum `Option`, found `()`
[INFO] [stdout]     |        |
[INFO] [stdout]     |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `Option<unsafe extern "C" fn(*mut ffi::object::PyObject) -> *mut ffi::object::PyObject>`
[INFO] [stdout]             found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pyo3-0.8.5/src/class/pyasync.rs:182:22
[INFO] [stdout]     |
[INFO] [stdout] 182 |     fn am_aiter() -> Option<ffi::unaryfunc> {
[INFO] [stdout]     |        --------      ^^^^^^^^^^^^^^^^^^^^^^ expected enum `Option`, found `()`
[INFO] [stdout]     |        |
[INFO] [stdout]     |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `Option<unsafe extern "C" fn(*mut ffi::object::PyObject) -> *mut ffi::object::PyObject>`
[INFO] [stdout]             found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pyo3-0.8.5/src/class/pyasync.rs:242:26
[INFO] [stdout]     |
[INFO] [stdout] 242 |         fn am_anext() -> Option<ffi::unaryfunc> {
[INFO] [stdout]     |            --------      ^^^^^^^^^^^^^^^^^^^^^^ expected enum `Option`, found `()`
[INFO] [stdout]     |            |
[INFO] [stdout]     |            implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `Option<unsafe extern "C" fn(*mut ffi::object::PyObject) -> *mut ffi::object::PyObject>`
[INFO] [stdout]             found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 13 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pyo3`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d17e777e183b2e49626090c058e8b7f20a4ae60fee8aefec583cfb939bd20955", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d17e777e183b2e49626090c058e8b7f20a4ae60fee8aefec583cfb939bd20955", kill_on_drop: false }`
[INFO] [stdout] d17e777e183b2e49626090c058e8b7f20a4ae60fee8aefec583cfb939bd20955