[INFO] fetching crate pyo3-asyncio-0-21 0.21.0...
[INFO] checking pyo3-asyncio-0-21-0.21.0 against master#ff647322379c48947c196639599067665ff9eb88 for pr-151539-1
[INFO] extracting crate pyo3-asyncio-0-21 0.21.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate pyo3-asyncio-0-21 0.21.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate pyo3-asyncio-0-21 0.21.0
[INFO] tweaked toml for crates.io crate pyo3-asyncio-0-21 0.21.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pyo3-asyncio-0-21 0.21.0 on toolchain ff647322379c48947c196639599067665ff9eb88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff647322379c48947c196639599067665ff9eb88" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate pyo3-asyncio-0-21 0.21.0 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" "+ff647322379c48947c196639599067665ff9eb88" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unindent v0.2.3
[INFO] [stderr]   Downloaded polling v3.7.1
[INFO] [stderr]   Downloaded async-signal v0.2.8
[INFO] [stderr]   Downloaded async-executor v1.12.0
[INFO] [stderr]   Downloaded inventory v0.3.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 93b9706d58d1865186b008a3cbee6be24fa22aabc3fab8d305a2ed7322be5c77
[INFO] running `Command { std: "docker" "start" "93b9706d58d1865186b008a3cbee6be24fa22aabc3fab8d305a2ed7322be5c77", 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" "93b9706d58d1865186b008a3cbee6be24fa22aabc3fab8d305a2ed7322be5c77" "/opt/rustwide/cargo-home/bin/cargo" "+ff647322379c48947c196639599067665ff9eb88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93b9706d58d1865186b008a3cbee6be24fa22aabc3fab8d305a2ed7322be5c77", 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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "93b9706d58d1865186b008a3cbee6be24fa22aabc3fab8d305a2ed7322be5c77" "/opt/rustwide/cargo-home/bin/cargo" "+ff647322379c48947c196639599067665ff9eb88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling portable-atomic v1.6.0
[INFO] [stderr]    Compiling indoc v2.0.5
[INFO] [stderr]     Checking unindent v0.2.3
[INFO] [stderr]    Compiling pyo3-build-config v0.21.2
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling pyo3-macros-backend v0.21.2
[INFO] [stderr]    Compiling pyo3-ffi v0.21.2
[INFO] [stderr]    Compiling pyo3 v0.21.2
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]    Compiling pyo3-macros v0.21.2
[INFO] [stderr]     Checking pyo3-asyncio-0-21 v0.21.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `py_true` is never used
[INFO] [stdout]     --> src/generic.rs:1449:4
[INFO] [stdout]      |
[INFO] [stdout] 1449 | fn py_true() -> PyObject {
[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 `py_false` is never used
[INFO] [stdout]     --> src/generic.rs:1454:4
[INFO] [stdout]      |
[INFO] [stdout] 1454 | fn py_false() -> PyObject {
[INFO] [stdout]      |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GenericSender` is never constructed
[INFO] [stdout]     --> src/generic.rs:1466:8
[INFO] [stdout]      |
[INFO] [stdout] 1466 | struct GenericSender<R>
[INFO] [stdout]      |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:420:30
[INFO] [stdout]     |
[INFO] [stdout] 420 | fn create_future(event_loop: Bound<PyAny>) -> PyResult<Bound<'_, PyAny>> {
[INFO] [stdout]     |                              ^^^^^^^^^^^^                    ^^ the same lifetime is elided here
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              the 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: consistently use `'_`
[INFO] [stdout]     |
[INFO] [stdout] 420 | fn create_future(event_loop: Bound<'_, PyAny>) -> PyResult<Bound<'_, PyAny>> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:443:16
[INFO] [stdout]     |
[INFO] [stdout] 443 | fn asyncio(py: Python) -> PyResult<&Bound<PyAny>> {
[INFO] [stdout]     |                ^^^^^^              ^^^^^^^^^^^^^
[INFO] [stdout]     |                |                   ||
[INFO] [stdout]     |                |                   |the same lifetime is hidden here
[INFO] [stdout]     |                |                   the same lifetime is elided here
[INFO] [stdout]     |                the lifetime is hidden 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] 443 | fn asyncio(py: Python<'_>) -> PyResult<&Bound<'_, PyAny>> {
[INFO] [stdout]     |                      ++++                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:465:20
[INFO] [stdout]     |
[INFO] [stdout] 465 | fn contextvars(py: Python) -> PyResult<&Bound<PyAny>> {
[INFO] [stdout]     |                    ^^^^^^              ^^^^^^^^^^^^^
[INFO] [stdout]     |                    |                   ||
[INFO] [stdout]     |                    |                   |the same lifetime is hidden here
[INFO] [stdout]     |                    |                   the same lifetime is elided here
[INFO] [stdout]     |                    the lifetime is hidden 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] 465 | fn contextvars(py: Python<'_>) -> PyResult<&Bound<'_, PyAny>> {
[INFO] [stdout]     |                          ++++                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `py_true` is never used
[INFO] [stdout]     --> src/generic.rs:1449:4
[INFO] [stdout]      |
[INFO] [stdout] 1449 | fn py_true() -> PyObject {
[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 `py_false` is never used
[INFO] [stdout]     --> src/generic.rs:1454:4
[INFO] [stdout]      |
[INFO] [stdout] 1454 | fn py_false() -> PyObject {
[INFO] [stdout]      |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GenericSender` is never constructed
[INFO] [stdout]     --> src/generic.rs:1466:8
[INFO] [stdout]      |
[INFO] [stdout] 1466 | struct GenericSender<R>
[INFO] [stdout]      |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:420:30
[INFO] [stdout]     |
[INFO] [stdout] 420 | fn create_future(event_loop: Bound<PyAny>) -> PyResult<Bound<'_, PyAny>> {
[INFO] [stdout]     |                              ^^^^^^^^^^^^                    ^^ the same lifetime is elided here
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              the 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: consistently use `'_`
[INFO] [stdout]     |
[INFO] [stdout] 420 | fn create_future(event_loop: Bound<'_, PyAny>) -> PyResult<Bound<'_, PyAny>> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:443:16
[INFO] [stdout]     |
[INFO] [stdout] 443 | fn asyncio(py: Python) -> PyResult<&Bound<PyAny>> {
[INFO] [stdout]     |                ^^^^^^              ^^^^^^^^^^^^^
[INFO] [stdout]     |                |                   ||
[INFO] [stdout]     |                |                   |the same lifetime is hidden here
[INFO] [stdout]     |                |                   the same lifetime is elided here
[INFO] [stdout]     |                the lifetime is hidden 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] 443 | fn asyncio(py: Python<'_>) -> PyResult<&Bound<'_, PyAny>> {
[INFO] [stdout]     |                      ++++                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:465:20
[INFO] [stdout]     |
[INFO] [stdout] 465 | fn contextvars(py: Python) -> PyResult<&Bound<PyAny>> {
[INFO] [stdout]     |                    ^^^^^^              ^^^^^^^^^^^^^
[INFO] [stdout]     |                    |                   ||
[INFO] [stdout]     |                    |                   |the same lifetime is hidden here
[INFO] [stdout]     |                    |                   the same lifetime is elided here
[INFO] [stdout]     |                    the lifetime is hidden 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] 465 | fn contextvars(py: Python<'_>) -> PyResult<&Bound<'_, PyAny>> {
[INFO] [stdout]     |                          ++++                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.23s
[INFO] running `Command { std: "docker" "inspect" "93b9706d58d1865186b008a3cbee6be24fa22aabc3fab8d305a2ed7322be5c77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93b9706d58d1865186b008a3cbee6be24fa22aabc3fab8d305a2ed7322be5c77", kill_on_drop: false }`
[INFO] [stdout] 93b9706d58d1865186b008a3cbee6be24fa22aabc3fab8d305a2ed7322be5c77
