[INFO] fetching crate pythonize 0.27.0...
[INFO] checking pythonize-0.27.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate pythonize 0.27.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate pythonize 0.27.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate pythonize 0.27.0
[INFO] tweaked toml for crates.io crate pythonize 0.27.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pythonize 0.27.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate pythonize 0.27.0 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1cb9bef9d530b72fd06efe31953848e84d9e5ddb869c0a730e3c08fbcffd9a8b
[INFO] running `Command { std: "docker" "start" "-a" "1cb9bef9d530b72fd06efe31953848e84d9e5ddb869c0a730e3c08fbcffd9a8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cb9bef9d530b72fd06efe31953848e84d9e5ddb869c0a730e3c08fbcffd9a8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cb9bef9d530b72fd06efe31953848e84d9e5ddb869c0a730e3c08fbcffd9a8b", kill_on_drop: false }`
[INFO] [stdout] 1cb9bef9d530b72fd06efe31953848e84d9e5ddb869c0a730e3c08fbcffd9a8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=forbid -Dunmustuse_in_always_ok" "-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 809594979aeb57bb8db2eb30390decf3aa84e1aa0a0605c79ec64eed19e3287c
[INFO] running `Command { std: "docker" "start" "-a" "809594979aeb57bb8db2eb30390decf3aa84e1aa0a0605c79ec64eed19e3287c", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.13.3
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking unindent v0.2.4
[INFO] [stderr]    Compiling indoc v2.0.7
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]     Checking serde_bytes v0.11.19
[INFO] [stderr]     Checking serde_path_to_error v0.1.20
[INFO] [stderr]    Compiling syn v2.0.109
[INFO] [stderr]    Compiling pyo3-build-config v0.27.1
[INFO] [stderr]    Compiling pyo3-ffi v0.27.1
[INFO] [stderr]    Compiling pyo3-macros-backend v0.27.1
[INFO] [stderr]    Compiling pyo3 v0.27.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling pyo3-macros v0.27.1
[INFO] [stderr]     Checking pythonize v0.27.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, pyo3::Bound<'_, pyo3::types::PySequence>>
[INFO] [stdout]    --> src/ser.rs:483:12
[INFO] [stdout]     |
[INFO] [stdout] 483 |         Ok(instance.into_pyobject(self.py)?.into_any())
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<pyo3::Bound<'_, pyo3::types::PySequence>, Infallible>
[INFO] [stdout]    --> src/ser.rs:483:12
[INFO] [stdout]     |
[INFO] [stdout] 483 |         Ok(instance.into_pyobject(self.py)?.into_any())
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pythonize` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<pyo3::Bound<'_, pyo3::types::PyInt>, Infallible>
[INFO] [stdout]    --> src/de.rs:830:53
[INFO] [stdout]     |
[INFO] [stdout] 830 |             let _: serde_json::Value = depythonize(&u8::MAX.into_pyobject(py).unwrap()).unwrap();
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<pyo3::Bound<'_, pyo3::types::PyInt>, Infallible>
[INFO] [stdout]    --> src/de.rs:831:53
[INFO] [stdout]     |
[INFO] [stdout] 831 |             let _: serde_json::Value = depythonize(&u8::MIN.into_pyobject(py).unwrap()).unwrap();
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<pyo3::Bound<'_, pyo3::types::PyInt>, Infallible>
[INFO] [stdout]    --> src/de.rs:832:53
[INFO] [stdout]     |
[INFO] [stdout] 832 |             let _: serde_json::Value = depythonize(&i8::MAX.into_pyobject(py).unwrap()).unwrap();
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<pyo3::Bound<'_, pyo3::types::PyInt>, Infallible>
[INFO] [stdout]    --> src/de.rs:833:53
[INFO] [stdout]     |
[INFO] [stdout] 833 |             let _: serde_json::Value = depythonize(&i8::MIN.into_pyobject(py).unwrap()).unwrap();
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<pyo3::Bound<'_, pyo3::types::PyInt>, Infallible>
[INFO] [stdout]    --> src/de.rs:835:53
[INFO] [stdout]     |
[INFO] [stdout] 835 |             let _: serde_json::Value = depythonize(&u16::MAX.into_pyobject(py).unwrap()).unwrap();
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<pyo3::Bound<'_, pyo3::types::PyInt>, Infallible>
[INFO] [stdout]    --> src/de.rs:836:53
[INFO] [stdout]     |
[INFO] [stdout] 836 |             let _: serde_json::Value = depythonize(&u16::MIN.into_pyobject(py).unwrap()).unwrap();
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<pyo3::Bound<'_, pyo3::types::PyInt>, Infallible>
[INFO] [stdout]    --> src/de.rs:837:53
[INFO] [stdout]     |
[INFO] [stdout] 837 |             let _: serde_json::Value = depythonize(&i16::MAX.into_pyobject(py).unwrap()).unwrap();
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<pyo3::Bound<'_, pyo3::types::PyInt>, Infallible>
[INFO] [stdout]    --> src/de.rs:838:53
[INFO] [stdout]     |
[INFO] [stdout] 838 |             let _: serde_json::Value = depythonize(&i16::MIN.into_pyobject(py).unwrap()).unwrap();
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<pyo3::Bound<'_, pyo3::types::PyInt>, Infallible>
[INFO] [stdout]    --> src/de.rs:840:53
[INFO] [stdout]     |
[INFO] [stdout] 840 |             let _: serde_json::Value = depythonize(&u32::MAX.into_pyobject(py).unwrap()).unwrap();
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<pyo3::Bound<'_, pyo3::types::PyInt>, Infallible>
[INFO] [stdout]    --> src/de.rs:841:53
[INFO] [stdout]     |
[INFO] [stdout] 841 |             let _: serde_json::Value = depythonize(&u32::MIN.into_pyobject(py).unwrap()).unwrap();
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<pyo3::Bound<'_, pyo3::types::PyInt>, Infallible>
[INFO] [stdout]    --> src/de.rs:842:53
[INFO] [stdout]     |
[INFO] [stdout] 842 |             let _: serde_json::Value = depythonize(&i32::MAX.into_pyobject(py).unwrap()).unwrap();
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<pyo3::Bound<'_, pyo3::types::PyInt>, Infallible>
[INFO] [stdout]    --> src/de.rs:843:53
[INFO] [stdout]     |
[INFO] [stdout] 843 |             let _: serde_json::Value = depythonize(&i32::MIN.into_pyobject(py).unwrap()).unwrap();
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<pyo3::Bound<'_, pyo3::types::PyInt>, Infallible>
[INFO] [stdout]    --> src/de.rs:845:53
[INFO] [stdout]     |
[INFO] [stdout] 845 |             let _: serde_json::Value = depythonize(&u64::MAX.into_pyobject(py).unwrap()).unwrap();
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<pyo3::Bound<'_, pyo3::types::PyInt>, Infallible>
[INFO] [stdout]    --> src/de.rs:846:53
[INFO] [stdout]     |
[INFO] [stdout] 846 |             let _: serde_json::Value = depythonize(&u64::MIN.into_pyobject(py).unwrap()).unwrap();
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<pyo3::Bound<'_, pyo3::types::PyInt>, Infallible>
[INFO] [stdout]    --> src/de.rs:847:53
[INFO] [stdout]     |
[INFO] [stdout] 847 |             let _: serde_json::Value = depythonize(&i64::MAX.into_pyobject(py).unwrap()).unwrap();
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<pyo3::Bound<'_, pyo3::types::PyInt>, Infallible>
[INFO] [stdout]    --> src/de.rs:848:53
[INFO] [stdout]     |
[INFO] [stdout] 848 |             let _: serde_json::Value = depythonize(&i64::MIN.into_pyobject(py).unwrap()).unwrap();
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<pyo3::Bound<'_, pyo3::types::PyInt>, Infallible>
[INFO] [stdout]    --> src/de.rs:850:40
[INFO] [stdout]     |
[INFO] [stdout] 850 |             let _: u128 = depythonize(&u128::MAX.into_pyobject(py).unwrap()).unwrap();
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<pyo3::Bound<'_, pyo3::types::PyInt>, Infallible>
[INFO] [stdout]    --> src/de.rs:851:40
[INFO] [stdout]     |
[INFO] [stdout] 851 |             let _: i128 = depythonize(&u128::MIN.into_pyobject(py).unwrap()).unwrap();
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<pyo3::Bound<'_, pyo3::types::PyInt>, Infallible>
[INFO] [stdout]    --> src/de.rs:853:40
[INFO] [stdout]     |
[INFO] [stdout] 853 |             let _: i128 = depythonize(&i128::MAX.into_pyobject(py).unwrap()).unwrap();
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<pyo3::Bound<'_, pyo3::types::PyInt>, Infallible>
[INFO] [stdout]    --> src/de.rs:854:40
[INFO] [stdout]     |
[INFO] [stdout] 854 |             let _: i128 = depythonize(&i128::MIN.into_pyobject(py).unwrap()).unwrap();
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, pyo3::Bound<'_, pyo3::types::PySequence>>
[INFO] [stdout]    --> src/ser.rs:483:12
[INFO] [stdout]     |
[INFO] [stdout] 483 |         Ok(instance.into_pyobject(self.py)?.into_any())
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<pyo3::Bound<'_, pyo3::types::PySequence>, Infallible>
[INFO] [stdout]    --> src/ser.rs:483:12
[INFO] [stdout]     |
[INFO] [stdout] 483 |         Ok(instance.into_pyobject(self.py)?.into_any())
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pythonize` (lib test) due to 22 previous errors
[INFO] running `Command { std: "docker" "inspect" "809594979aeb57bb8db2eb30390decf3aa84e1aa0a0605c79ec64eed19e3287c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "809594979aeb57bb8db2eb30390decf3aa84e1aa0a0605c79ec64eed19e3287c", kill_on_drop: false }`
[INFO] [stdout] 809594979aeb57bb8db2eb30390decf3aa84e1aa0a0605c79ec64eed19e3287c