[INFO] cloning repository https://github.com/david-winfield2000/Create-python-package-in-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/david-winfield2000/Create-python-package-in-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavid-winfield2000%2FCreate-python-package-in-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavid-winfield2000%2FCreate-python-package-in-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8ea4eaf7e6462a0aca48d5a09a823dbdaabf449e
[INFO] building david-winfield2000/Create-python-package-in-rust against try#58b1b3c5342a414c161338871f8004258ccef2a7 for pr-149937
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavid-winfield2000%2FCreate-python-package-in-rust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/david-winfield2000/Create-python-package-in-rust
[INFO] finished tweaking git repo https://github.com/david-winfield2000/Create-python-package-in-rust
[INFO] tweaked toml for git repo https://github.com/david-winfield2000/Create-python-package-in-rust written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/david-winfield2000/Create-python-package-in-rust on toolchain 58b1b3c5342a414c161338871f8004258ccef2a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+58b1b3c5342a414c161338871f8004258ccef2a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/david-winfield2000/Create-python-package-in-rust 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" "+58b1b3c5342a414c161338871f8004258ccef2a7" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+58b1b3c5342a414c161338871f8004258ccef2a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a8083cdc5f0d6bcba6d792432858dd6cf55046ad91b974e836f72cffe0e5e60
[INFO] running `Command { std: "docker" "start" "-a" "7a8083cdc5f0d6bcba6d792432858dd6cf55046ad91b974e836f72cffe0e5e60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a8083cdc5f0d6bcba6d792432858dd6cf55046ad91b974e836f72cffe0e5e60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a8083cdc5f0d6bcba6d792432858dd6cf55046ad91b974e836f72cffe0e5e60", kill_on_drop: false }`
[INFO] [stdout] 7a8083cdc5f0d6bcba6d792432858dd6cf55046ad91b974e836f72cffe0e5e60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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" "+58b1b3c5342a414c161338871f8004258ccef2a7" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4dd24f6d30d5fa2641327594d8bd1259a19fb50dca228aa0bf0ebd8980d5c04
[INFO] running `Command { std: "docker" "start" "-a" "a4dd24f6d30d5fa2641327594d8bd1259a19fb50dca228aa0bf0ebd8980d5c04", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling portable-atomic v1.11.0
[INFO] [stderr]    Compiling smallvec v1.14.0
[INFO] [stderr]    Compiling unindent v0.2.4
[INFO] [stderr]    Compiling indoc v2.0.6
[INFO] [stderr]    Compiling pyo3-build-config v0.20.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling pyo3-ffi v0.20.3
[INFO] [stderr]    Compiling pyo3 v0.20.3
[INFO] [stderr]    Compiling quote v1.0.39
[INFO] [stderr]    Compiling syn v2.0.99
[INFO] [stderr]    Compiling pyo3-macros-backend v0.20.3
[INFO] [stderr]    Compiling pyo3-macros v0.20.3
[INFO] [stderr]    Compiling my_rust_library v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning[E0133]: call to unsafe function `pyo3::impl_::extract_argument::unwrap_required_argument` is unsafe and requires unsafe block
[INFO] [stdout]  --> src/lib.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn matmul(a: Vec<Vec<i32>>, b: Vec<Vec<i32>>) -> PyResult<Vec<Vec<i32>>> {
[INFO] [stdout]   |              ^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-op-in-unsafe-fn.html>
[INFO] [stdout]   = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout]   = note: `#[warn(unsafe_op_in_unsafe_fn)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0133]: call to unsafe function `pyo3::impl_::extract_argument::unwrap_required_argument` is unsafe and requires unsafe block
[INFO] [stdout]  --> src/lib.rs:6:32
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn matmul(a: Vec<Vec<i32>>, b: Vec<Vec<i32>>) -> PyResult<Vec<Vec<i32>>> {
[INFO] [stdout]   |                                ^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-op-in-unsafe-fn.html>
[INFO] [stdout]   = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `py`
[INFO] [stdout]   --> src/lib.rs:31:20
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn my_rust_library(py: Python, m: &PyModule) -> PyResult<()> {
[INFO] [stdout]    |                    ^^ help: if this is intentional, prefix it with an underscore: `_py`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0133`.
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.17s
[INFO] running `Command { std: "docker" "inspect" "a4dd24f6d30d5fa2641327594d8bd1259a19fb50dca228aa0bf0ebd8980d5c04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4dd24f6d30d5fa2641327594d8bd1259a19fb50dca228aa0bf0ebd8980d5c04", kill_on_drop: false }`
[INFO] [stdout] a4dd24f6d30d5fa2641327594d8bd1259a19fb50dca228aa0bf0ebd8980d5c04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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" "+58b1b3c5342a414c161338871f8004258ccef2a7" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb22615d7f511dec83665e4412e62b8faa599d59b5abb25029a994e17dee0e26
[INFO] running `Command { std: "docker" "start" "-a" "cb22615d7f511dec83665e4412e62b8faa599d59b5abb25029a994e17dee0e26", kill_on_drop: false }`
[INFO] [stderr]    Compiling my_rust_library v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning[E0133]: call to unsafe function `pyo3::impl_::extract_argument::unwrap_required_argument` is unsafe and requires unsafe block
[INFO] [stdout]  --> src/lib.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn matmul(a: Vec<Vec<i32>>, b: Vec<Vec<i32>>) -> PyResult<Vec<Vec<i32>>> {
[INFO] [stdout]   |              ^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-op-in-unsafe-fn.html>
[INFO] [stdout]   = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout]   = note: `#[warn(unsafe_op_in_unsafe_fn)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0133]: call to unsafe function `pyo3::impl_::extract_argument::unwrap_required_argument` is unsafe and requires unsafe block
[INFO] [stdout]  --> src/lib.rs:6:32
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn matmul(a: Vec<Vec<i32>>, b: Vec<Vec<i32>>) -> PyResult<Vec<Vec<i32>>> {
[INFO] [stdout]   |                                ^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-op-in-unsafe-fn.html>
[INFO] [stdout]   = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `py`
[INFO] [stdout]   --> src/lib.rs:31:20
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn my_rust_library(py: Python, m: &PyModule) -> PyResult<()> {
[INFO] [stdout]    |                    ^^ help: if this is intentional, prefix it with an underscore: `_py`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0133`.
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "cb22615d7f511dec83665e4412e62b8faa599d59b5abb25029a994e17dee0e26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb22615d7f511dec83665e4412e62b8faa599d59b5abb25029a994e17dee0e26", kill_on_drop: false }`
[INFO] [stdout] cb22615d7f511dec83665e4412e62b8faa599d59b5abb25029a994e17dee0e26
