[INFO] fetching crate lucien 0.0.3...
[INFO] checking lucien-0.0.3 against master#61cc47e367d7be91e13bcd01e4e96e0e233d4f6d for 2025-12-16-next-solver-global
[INFO] extracting crate lucien 0.0.3 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate lucien 0.0.3
[INFO] finished tweaking crates.io crate lucien 0.0.3
[INFO] tweaked toml for crates.io crate lucien 0.0.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate lucien 0.0.3 on toolchain 61cc47e367d7be91e13bcd01e4e96e0e233d4f6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 49 packages to latest compatible versions
[INFO] [stderr]       Adding nvml-wrapper v0.10.0 (available: v0.11.0)
[INFO] [stderr]       Adding nvml-wrapper-sys v0.8.0 (available: v0.9.0)
[INFO] [stderr]       Adding pyo3 v0.21.2 (available: v0.27.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded getopts v0.2.24
[INFO] [stderr]   Downloaded pretty-bytes v0.2.2
[INFO] [stderr]   Downloaded unindent v0.2.4
[INFO] [stderr]   Downloaded wrapcenum-derive v0.4.1
[INFO] [stderr]   Downloaded indoc v2.0.7
[INFO] [stderr]   Downloaded pyo3-ffi v0.21.2
[INFO] [stderr]   Downloaded nvml-wrapper-sys v0.8.0
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.21.2
[INFO] [stderr]   Downloaded pyo3-macros v0.21.2
[INFO] [stderr]   Downloaded pyo3-build-config v0.21.2
[INFO] [stderr]   Downloaded nvml-wrapper v0.10.0
[INFO] [stderr]   Downloaded pyo3 v0.21.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a11daab45f42c3d384814a1cf10134d3ba46a2b40bdae9b4b3c26dad68ea5ba6
[INFO] running `Command { std: "docker" "start" "-a" "a11daab45f42c3d384814a1cf10134d3ba46a2b40bdae9b4b3c26dad68ea5ba6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a11daab45f42c3d384814a1cf10134d3ba46a2b40bdae9b4b3c26dad68ea5ba6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a11daab45f42c3d384814a1cf10134d3ba46a2b40bdae9b4b3c26dad68ea5ba6", kill_on_drop: false }`
[INFO] [stdout] a11daab45f42c3d384814a1cf10134d3ba46a2b40bdae9b4b3c26dad68ea5ba6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f848f2b24ccc891b0865b8f6484644dd1ae9b52c931ee93a1c78e7f9dcb091e
[INFO] running `Command { std: "docker" "start" "-a" "9f848f2b24ccc891b0865b8f6484644dd1ae9b52c931ee93a1c78e7f9dcb091e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.104
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling portable-atomic v1.13.0
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking unicode-width v0.2.2
[INFO] [stderr]     Checking unindent v0.2.4
[INFO] [stderr]     Checking bitflags v2.10.0
[INFO] [stderr]    Compiling indoc v2.0.7
[INFO] [stderr]     Checking libloading v0.8.9
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking lock_api v0.4.14
[INFO] [stderr]     Checking getopts v0.2.24
[INFO] [stderr]     Checking nvml-wrapper-sys v0.8.0
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking pretty-bytes v0.2.2
[INFO] [stderr]    Compiling pyo3-build-config v0.21.2
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling pyo3-ffi v0.21.2
[INFO] [stderr]    Compiling pyo3 v0.21.2
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling pyo3-macros-backend v0.21.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling wrapcenum-derive v0.4.1
[INFO] [stderr]     Checking nvml-wrapper v0.10.0
[INFO] [stderr]    Compiling pyo3-macros v0.21.2
[INFO] [stderr]     Checking lucien v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> rust/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nvml_wrapper::error::NvmlError`
[INFO] [stdout]  --> rust/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use nvml_wrapper::error::NvmlError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `cuda_driver_version_major` and `cuda_driver_version_minor`
[INFO] [stdout]  --> rust/lib.rs:8:20
[INFO] [stdout]   |
[INFO] [stdout] 8 | use nvml_wrapper::{cuda_driver_version_major, cuda_driver_version_minor, Nvml};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pretty_bytes::converter::convert`
[INFO] [stdout]  --> rust/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use pretty_bytes::converter::convert;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `pyo3::deprecations::GilRefs::<T>::function_arg`: use `&Bound<'_, T>` instead for this function argument
[INFO] [stdout]   --> rust/lib.rs:47:26
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn _lib(_py: Python<'_>, m: &PyModule) -> PyResult<()> {
[INFO] [stdout]    |                          ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cuda_version`
[INFO] [stdout]   --> rust/lib.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let cuda_version = nvml.sys_cuda_driver_version().map_err(|e| PyRuntimeError::new_err(format!("CUDA Version Error: {}", e)))?;
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cuda_version`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> rust/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nvml_wrapper::error::NvmlError`
[INFO] [stdout]  --> rust/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use nvml_wrapper::error::NvmlError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `cuda_driver_version_major` and `cuda_driver_version_minor`
[INFO] [stdout]  --> rust/lib.rs:8:20
[INFO] [stdout]   |
[INFO] [stdout] 8 | use nvml_wrapper::{cuda_driver_version_major, cuda_driver_version_minor, Nvml};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pretty_bytes::converter::convert`
[INFO] [stdout]  --> rust/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use pretty_bytes::converter::convert;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `pyo3::deprecations::GilRefs::<T>::function_arg`: use `&Bound<'_, T>` instead for this function argument
[INFO] [stdout]   --> rust/lib.rs:47:26
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn _lib(_py: Python<'_>, m: &PyModule) -> PyResult<()> {
[INFO] [stdout]    |                          ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cuda_version`
[INFO] [stdout]   --> rust/lib.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let cuda_version = nvml.sys_cuda_driver_version().map_err(|e| PyRuntimeError::new_err(format!("CUDA Version Error: {}", e)))?;
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cuda_version`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.40s
[INFO] running `Command { std: "docker" "inspect" "9f848f2b24ccc891b0865b8f6484644dd1ae9b52c931ee93a1c78e7f9dcb091e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f848f2b24ccc891b0865b8f6484644dd1ae9b52c931ee93a1c78e7f9dcb091e", kill_on_drop: false }`
[INFO] [stdout] 9f848f2b24ccc891b0865b8f6484644dd1ae9b52c931ee93a1c78e7f9dcb091e