[INFO] fetching crate pyo3-polars 0.25.0...
[INFO] checking pyo3-polars-0.25.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate pyo3-polars 0.25.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate pyo3-polars 0.25.0
[INFO] finished tweaking crates.io crate pyo3-polars 0.25.0
[INFO] tweaked toml for crates.io crate pyo3-polars 0.25.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pyo3-polars 0.25.0 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 pyo3-polars 0.25.0 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 1b6b114274fe7e23bb8d3894f4505c4e2eefdf568b3a0119b81c81373f4d68c7
[INFO] running `Command { std: "docker" "start" "-a" "1b6b114274fe7e23bb8d3894f4505c4e2eefdf568b3a0119b81c81373f4d68c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b6b114274fe7e23bb8d3894f4505c4e2eefdf568b3a0119b81c81373f4d68c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b6b114274fe7e23bb8d3894f4505c4e2eefdf568b3a0119b81c81373f4d68c7", kill_on_drop: false }`
[INFO] [stdout] 1b6b114274fe7e23bb8d3894f4505c4e2eefdf568b3a0119b81c81373f4d68c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 4f8b08779492d8e067f3bfbac2ee843156077a879d9338b83016cf97b4bd2f7a
[INFO] running `Command { std: "docker" "start" "-a" "4f8b08779492d8e067f3bfbac2ee843156077a879d9338b83016cf97b4bd2f7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.13.2
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling cc v1.2.28
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling phf_codegen v0.11.3
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]    Compiling pyo3-build-config v0.26.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.5
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]     Checking foldhash v0.2.0
[INFO] [stderr]     Checking unindent v0.2.4
[INFO] [stderr]    Compiling indoc v2.0.6
[INFO] [stderr]    Compiling psm v0.1.26
[INFO] [stderr]    Compiling stacker v0.1.21
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]    Compiling chrono-tz-build v0.4.1
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking castaway v0.2.3
[INFO] [stderr]    Compiling polars-utils v0.52.0
[INFO] [stderr]     Checking simdutf8 v0.1.5
[INFO] [stderr]     Checking bitflags v2.9.1
[INFO] [stderr]     Checking raw-cpuid v11.5.0
[INFO] [stderr]    Compiling chrono-tz v0.10.3
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]    Compiling pyo3-macros-backend v0.26.0
[INFO] [stderr]    Compiling pyo3-ffi v0.26.0
[INFO] [stderr]    Compiling pyo3 v0.26.0
[INFO] [stderr]     Checking rand v0.9.1
[INFO] [stderr]     Checking uuid v1.17.0
[INFO] [stderr]    Compiling polars-schema v0.52.0
[INFO] [stderr]     Checking phf v0.11.3
[INFO] [stderr]     Checking chrono v0.4.41
[INFO] [stderr]    Compiling polars-arrow v0.52.0
[INFO] [stderr]     Checking streaming-iterator v0.1.9
[INFO] [stderr]     Checking ethnum v1.5.2
[INFO] [stderr]     Checking dyn-clone v1.0.19
[INFO] [stderr]    Compiling polars-compute v0.52.0
[INFO] [stderr]     Checking debug_unsafe v0.1.3
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking atoi_simd v0.16.1
[INFO] [stderr]     Checking strength_reduce v0.2.4
[INFO] [stderr]     Checking boxcar v0.2.13
[INFO] [stderr]    Compiling polars-core v0.52.0
[INFO] [stderr]    Compiling polars v0.52.0
[INFO] [stderr]     Checking xxhash-rust v0.8.15
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling bytemuck_derive v1.9.3
[INFO] [stderr]    Compiling strum_macros v0.27.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking bytemuck v1.23.1
[INFO] [stderr]    Compiling pyo3-macros v0.26.0
[INFO] [stderr]     Checking hashbrown v0.16.0
[INFO] [stderr]     Checking compact_str v0.9.0
[INFO] [stderr]     Checking indexmap v2.12.0
[INFO] [stderr]     Checking polars-error v0.52.0
[INFO] [stderr]     Checking polars-dtype v0.52.0
[INFO] [stderr]     Checking polars-row v0.52.0
[INFO] [stderr]     Checking pyo3-polars v0.25.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/alloc.rs:94:25
[INFO] [stdout]    |
[INFO] [stdout] 94 |                         msg.len().try_into().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: Result<pyo3::Bound<'_, PyString>, Infallible>
[INFO] [stdout]    --> src/types.rs:113:82
[INFO] [stdout]     |
[INFO] [stdout] 113 |       fn into_pyobject(self, py: Python<'py>) -> Result<Self::Output, Self::Error> {
[INFO] [stdout]     |  __________________________________________________________________________________^
[INFO] [stdout] 114 | |         let time_unit = match self.0 {
[INFO] [stdout] 115 | |             TimeUnit::Nanoseconds => "ns",
[INFO] [stdout] 116 | |             TimeUnit::Microseconds => "us",
[INFO] [stdout] ...   |
[INFO] [stdout] 119 | |         time_unit.into_pyobject(py)
[INFO] [stdout] 120 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<pyo3::Bound<'_, PyString>, Infallible>
[INFO] [stdout]    --> src/types.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 119 |         time_unit.into_pyobject(py)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pyo3-polars` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/alloc.rs:94:25
[INFO] [stdout]    |
[INFO] [stdout] 94 |                         msg.len().try_into().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: Result<pyo3::Bound<'_, PyString>, Infallible>
[INFO] [stdout]    --> src/types.rs:113:82
[INFO] [stdout]     |
[INFO] [stdout] 113 |       fn into_pyobject(self, py: Python<'py>) -> Result<Self::Output, Self::Error> {
[INFO] [stdout]     |  __________________________________________________________________________________^
[INFO] [stdout] 114 | |         let time_unit = match self.0 {
[INFO] [stdout] 115 | |             TimeUnit::Nanoseconds => "ns",
[INFO] [stdout] 116 | |             TimeUnit::Microseconds => "us",
[INFO] [stdout] ...   |
[INFO] [stdout] 119 | |         time_unit.into_pyobject(py)
[INFO] [stdout] 120 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<pyo3::Bound<'_, PyString>, Infallible>
[INFO] [stdout]    --> src/types.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 119 |         time_unit.into_pyobject(py)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pyo3-polars` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "4f8b08779492d8e067f3bfbac2ee843156077a879d9338b83016cf97b4bd2f7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f8b08779492d8e067f3bfbac2ee843156077a879d9338b83016cf97b4bd2f7a", kill_on_drop: false }`
[INFO] [stdout] 4f8b08779492d8e067f3bfbac2ee843156077a879d9338b83016cf97b4bd2f7a