[INFO] cloning repository https://github.com/SergeiGL/Rust_MCS_Python
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SergeiGL/Rust_MCS_Python" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSergeiGL%2FRust_MCS_Python", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSergeiGL%2FRust_MCS_Python'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8083ff03a16835965333866fc3324c64c6bfecc8
[INFO] checking SergeiGL/Rust_MCS_Python against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSergeiGL%2FRust_MCS_Python" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/SergeiGL/Rust_MCS_Python
[INFO] finished tweaking git repo https://github.com/SergeiGL/Rust_MCS_Python
[INFO] tweaked toml for git repo https://github.com/SergeiGL/Rust_MCS_Python written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/SergeiGL/Rust_MCS_Python 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 git repo https://github.com/SergeiGL/Rust_MCS_Python 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] 4c4e9495bcbb4d77c45392b85233582cf0bd53893b9148892a12b009077c10c6
[INFO] running `Command { std: "docker" "start" "-a" "4c4e9495bcbb4d77c45392b85233582cf0bd53893b9148892a12b009077c10c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c4e9495bcbb4d77c45392b85233582cf0bd53893b9148892a12b009077c10c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c4e9495bcbb4d77c45392b85233582cf0bd53893b9148892a12b009077c10c6", kill_on_drop: false }`
[INFO] [stdout] 4c4e9495bcbb4d77c45392b85233582cf0bd53893b9148892a12b009077c10c6
[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] caf5a0bc2b30841a2c7fad5a0fdf35f64d02609fef2e58b73696ce1a5c5eb9f4
[INFO] running `Command { std: "docker" "start" "-a" "caf5a0bc2b30841a2c7fad5a0fdf35f64d02609fef2e58b73696ce1a5c5eb9f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]     Checking bytemuck v1.23.0
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling target-lexicon v0.13.2
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking safe_arch v0.7.4
[INFO] [stderr]    Compiling pyo3-build-config v0.25.0
[INFO] [stderr]     Checking wide v0.7.32
[INFO] [stderr]     Checking ndarray v0.16.1
[INFO] [stderr]    Compiling pyo3-macros-backend v0.25.0
[INFO] [stderr]    Compiling pyo3-ffi v0.25.0
[INFO] [stderr]    Compiling pyo3 v0.25.0
[INFO] [stderr]    Compiling numpy v0.25.0
[INFO] [stderr]     Checking simba v0.9.0
[INFO] [stderr]    Compiling nalgebra-macros v0.2.2
[INFO] [stderr]     Checking nalgebra v0.33.2
[INFO] [stderr]    Compiling pyo3-macros v0.25.0
[INFO] [stderr]     Checking Rust_MCS v0.1.0 (https://github.com/SergeiGL/Rust_MCS#2c87e826)
[INFO] [stderr]     Checking Rust_MCS_Python v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, pyo3::Bound<'_, PyArray<f64, numpy::ndarray::Dim<[usize; 1]>>>>
[INFO] [stdout]    --> src/lib.rs:188:28
[INFO] [stdout]     |
[INFO] [stdout] 188 |             let xbest_py = PyArray1::from_vec(py, xbest_vec).into_pyobject(py)?;
[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<'_, PyArray<f64, numpy::ndarray::Dim<[usize; 1]>>>, Infallible>
[INFO] [stdout]    --> src/lib.rs:188:28
[INFO] [stdout]     |
[INFO] [stdout] 188 |             let xbest_py = PyArray1::from_vec(py, xbest_vec).into_pyobject(py)?;
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `Rust_MCS_Python` (lib test) 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: ControlFlow<Result<Infallible, Infallible>, pyo3::Bound<'_, PyArray<f64, numpy::ndarray::Dim<[usize; 1]>>>>
[INFO] [stdout]    --> src/lib.rs:188:28
[INFO] [stdout]     |
[INFO] [stdout] 188 |             let xbest_py = PyArray1::from_vec(py, xbest_vec).into_pyobject(py)?;
[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<'_, PyArray<f64, numpy::ndarray::Dim<[usize; 1]>>>, Infallible>
[INFO] [stdout]    --> src/lib.rs:188:28
[INFO] [stdout]     |
[INFO] [stdout] 188 |             let xbest_py = PyArray1::from_vec(py, xbest_vec).into_pyobject(py)?;
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `Rust_MCS_Python` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "caf5a0bc2b30841a2c7fad5a0fdf35f64d02609fef2e58b73696ce1a5c5eb9f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caf5a0bc2b30841a2c7fad5a0fdf35f64d02609fef2e58b73696ce1a5c5eb9f4", kill_on_drop: false }`
[INFO] [stdout] caf5a0bc2b30841a2c7fad5a0fdf35f64d02609fef2e58b73696ce1a5c5eb9f4
