[INFO] cloning repository https://github.com/shelter-kytty/imgfkr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shelter-kytty/imgfkr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshelter-kytty%2Fimgfkr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshelter-kytty%2Fimgfkr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c8eb7167f676b81e92fb6e58d8b662af8568de9
[INFO] checking shelter-kytty/imgfkr against 52995a223f2919dd3e2e427231db90a257350ded for pr-129249-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshelter-kytty%2Fimgfkr" "/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/shelter-kytty/imgfkr
[INFO] finished tweaking git repo https://github.com/shelter-kytty/imgfkr
[INFO] tweaked toml for git repo https://github.com/shelter-kytty/imgfkr written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/shelter-kytty/imgfkr on toolchain 52995a223f2919dd3e2e427231db90a257350ded
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/shelter-kytty/imgfkr 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" "+52995a223f2919dd3e2e427231db90a257350ded" "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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 0be8ca18764f010e66a6f7616fcbd831b41e60779cb0ce124d6dcad4c366a1cf
[INFO] running `Command { std: "docker" "start" "0be8ca18764f010e66a6f7616fcbd831b41e60779cb0ce124d6dcad4c366a1cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0be8ca18764f010e66a6f7616fcbd831b41e60779cb0ce124d6dcad4c366a1cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0be8ca18764f010e66a6f7616fcbd831b41e60779cb0ce124d6dcad4c366a1cf" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0be8ca18764f010e66a6f7616fcbd831b41e60779cb0ce124d6dcad4c366a1cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0be8ca18764f010e66a6f7616fcbd831b41e60779cb0ce124d6dcad4c366a1cf" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.13.2
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]     Checking unindent v0.2.4
[INFO] [stderr]    Compiling indoc v2.0.6
[INFO] [stderr]     Checking rustc-hash v2.1.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling pyo3-build-config v0.24.2
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]     Checking ndarray v0.16.1
[INFO] [stderr]    Compiling pyo3-macros-backend v0.24.2
[INFO] [stderr]    Compiling pyo3-ffi v0.24.2
[INFO] [stderr]    Compiling pyo3 v0.24.2
[INFO] [stderr]    Compiling numpy v0.24.0
[INFO] [stderr]    Compiling pyo3-macros v0.24.2
[INFO] [stderr]     Checking imgfkr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated module `std::u8`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> src/lib.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::u8;
[INFO] [stdout]   |          ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u8::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]   --> src/lib.rs:30:35
[INFO] [stdout]    |
[INFO] [stdout] 30 |             if mask_row[i] == u8::MAX {
[INFO] [stdout]    |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u8::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/lib.rs:121:35
[INFO] [stdout]     |
[INFO] [stdout] 121 |             if mask_row[i] == u8::MAX {
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u8::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/lib.rs:198:17
[INFO] [stdout]     |
[INFO] [stdout] 198 |             u8::MAX
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u8::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/lib.rs:234:21
[INFO] [stdout]     |
[INFO] [stdout] 234 |                 u8::MAX
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::u8`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> src/lib.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::u8;
[INFO] [stdout]   |          ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u8::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]   --> src/lib.rs:30:35
[INFO] [stdout]    |
[INFO] [stdout] 30 |             if mask_row[i] == u8::MAX {
[INFO] [stdout]    |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u8::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/lib.rs:121:35
[INFO] [stdout]     |
[INFO] [stdout] 121 |             if mask_row[i] == u8::MAX {
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u8::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/lib.rs:198:17
[INFO] [stdout]     |
[INFO] [stdout] 198 |             u8::MAX
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u8::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/lib.rs:234:21
[INFO] [stdout]     |
[INFO] [stdout] 234 |                 u8::MAX
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]   --> src/lib.rs:37:17
[INFO] [stdout]    |
[INFO] [stdout] 37 |                 i += idx;
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `colour`
[INFO] [stdout]    --> src/lib.rs:255:5
[INFO] [stdout]     |
[INFO] [stdout] 255 |     colour: &Bound<'py, PyArray<u8, Ix3>>,
[INFO] [stdout]     |     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_colour`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calc_luminance` is never used
[INFO] [stdout]   --> src/lib.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn calc_luminance(rgb: Vec<u8>) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]   --> src/lib.rs:37:17
[INFO] [stdout]    |
[INFO] [stdout] 37 |                 i += idx;
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calc_hue` is never used
[INFO] [stdout]   --> src/lib.rs:86:4
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn calc_hue(rgb: Vec<u8>) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `PyErr`
[INFO] [stdout]   --> src/lib.rs:50:6
[INFO] [stdout]    |
[INFO] [stdout] 50 | ) -> PyResult<Bound<'py, PyArray<usize, Dim<[usize; 2]>>>> {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `PyErr`
[INFO] [stdout]    --> src/lib.rs:187:6
[INFO] [stdout]     |
[INFO] [stdout] 187 | ) -> PyResult<Bound<'py, PyArray<u8, Dim<[usize; 3]>>>> {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `PyErr`
[INFO] [stdout]    --> src/lib.rs:214:6
[INFO] [stdout]     |
[INFO] [stdout] 214 | ) -> PyResult<Bound<'py, PyArray<u8, Dim<[usize; 2]>>>> {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `PyErr`
[INFO] [stdout]    --> src/lib.rs:256:6
[INFO] [stdout]     |
[INFO] [stdout] 256 | ) -> PyResult<Bound<'py, PyArray<u8, Dim<[usize; 2]>>>> {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `imgfkr` (lib) due to 4 previous errors; 9 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `colour`
[INFO] [stdout]    --> src/lib.rs:255:5
[INFO] [stdout]     |
[INFO] [stdout] 255 |     colour: &Bound<'py, PyArray<u8, Ix3>>,
[INFO] [stdout]     |     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_colour`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calc_luminance` is never used
[INFO] [stdout]   --> src/lib.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn calc_luminance(rgb: Vec<u8>) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calc_hue` is never used
[INFO] [stdout]   --> src/lib.rs:86:4
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn calc_hue(rgb: Vec<u8>) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `PyErr`
[INFO] [stdout]   --> src/lib.rs:50:6
[INFO] [stdout]    |
[INFO] [stdout] 50 | ) -> PyResult<Bound<'py, PyArray<usize, Dim<[usize; 2]>>>> {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `PyErr`
[INFO] [stdout]    --> src/lib.rs:187:6
[INFO] [stdout]     |
[INFO] [stdout] 187 | ) -> PyResult<Bound<'py, PyArray<u8, Dim<[usize; 3]>>>> {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `PyErr`
[INFO] [stdout]    --> src/lib.rs:214:6
[INFO] [stdout]     |
[INFO] [stdout] 214 | ) -> PyResult<Bound<'py, PyArray<u8, Dim<[usize; 2]>>>> {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `PyErr`
[INFO] [stdout]    --> src/lib.rs:256:6
[INFO] [stdout]     |
[INFO] [stdout] 256 | ) -> PyResult<Bound<'py, PyArray<u8, Dim<[usize; 2]>>>> {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `imgfkr` (lib test) due to 4 previous errors; 9 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "0be8ca18764f010e66a6f7616fcbd831b41e60779cb0ce124d6dcad4c366a1cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0be8ca18764f010e66a6f7616fcbd831b41e60779cb0ce124d6dcad4c366a1cf", kill_on_drop: false }`
[INFO] [stdout] 0be8ca18764f010e66a6f7616fcbd831b41e60779cb0ce124d6dcad4c366a1cf
