[INFO] cloning repository https://github.com/Carbonfreezer/cinefractal
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Carbonfreezer/cinefractal" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCarbonfreezer%2Fcinefractal", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCarbonfreezer%2Fcinefractal'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8b8ceb378338c132be9d1d73b134a97f93422bf0
[INFO] checking Carbonfreezer/cinefractal against 52995a223f2919dd3e2e427231db90a257350ded for pr-129249-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCarbonfreezer%2Fcinefractal" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Carbonfreezer/cinefractal
[INFO] finished tweaking git repo https://github.com/Carbonfreezer/cinefractal
[INFO] tweaked toml for git repo https://github.com/Carbonfreezer/cinefractal written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Carbonfreezer/cinefractal 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/Carbonfreezer/cinefractal 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-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ce95aca86ad7bb4bd3f556558e4698eef13acb1de1a84fef56d005076eefbcda
[INFO] running `Command { std: "docker" "start" "ce95aca86ad7bb4bd3f556558e4698eef13acb1de1a84fef56d005076eefbcda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce95aca86ad7bb4bd3f556558e4698eef13acb1de1a84fef56d005076eefbcda", 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" "ce95aca86ad7bb4bd3f556558e4698eef13acb1de1a84fef56d005076eefbcda" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce95aca86ad7bb4bd3f556558e4698eef13acb1de1a84fef56d005076eefbcda", 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" "ce95aca86ad7bb4bd3f556558e4698eef13acb1de1a84fef56d005076eefbcda" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling pyo3-stub-gen-derive v0.22.3
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[INFO] [stderr]     Checking cinefractal v0.2.2 (/opt/rustwide/workdir/cinefractal)
[INFO] [stdout] error: useless conversion to the same type: `PyErr`
[INFO] [stdout]   --> cinefractal/src/py_animation_system.rs:87:74
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn set_keyframe_exponent(&mut self, time: f32, exponent: u32) -> PyResult<()> {
[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]    --> cinefractal/src/py_animation_system.rs:111:76
[INFO] [stdout]     |
[INFO] [stdout] 111 |     pub fn set_keyframe_extension(&mut self, time: f32, extension: f64) -> PyResult<()> {
[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]    --> cinefractal/src/py_focal_system.rs:144:62
[INFO] [stdout]     |
[INFO] [stdout] 144 |     pub fn set_fractal_exponent(&mut self, exponent: u32) -> PyResult<()> {
[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]    --> cinefractal/src/py_focal_system.rs:178:56
[INFO] [stdout]     |
[INFO] [stdout] 178 |     pub fn set_extension(&mut self, extension: f64) -> PyResult<()> {
[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]    --> cinefractal/src/py_focal_system.rs:188:64
[INFO] [stdout]     |
[INFO] [stdout] 188 |     pub fn set_extension_min(&mut self, extension_min: f64) -> PyResult<()> {
[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]   --> cinefractal/src/py_iteration_field_interface.rs:64:62
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub fn set_fractal_exponent(&mut self, exponent: u32) -> PyResult<()> {
[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]   --> cinefractal/src/py_animation_system.rs:87:74
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn set_keyframe_exponent(&mut self, time: f32, exponent: u32) -> PyResult<()> {
[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]    --> cinefractal/src/py_animation_system.rs:111:76
[INFO] [stdout]     |
[INFO] [stdout] 111 |     pub fn set_keyframe_extension(&mut self, time: f32, extension: f64) -> PyResult<()> {
[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]    --> cinefractal/src/py_focal_system.rs:144:62
[INFO] [stdout]     |
[INFO] [stdout] 144 |     pub fn set_fractal_exponent(&mut self, exponent: u32) -> PyResult<()> {
[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]    --> cinefractal/src/py_focal_system.rs:178:56
[INFO] [stdout]     |
[INFO] [stdout] 178 |     pub fn set_extension(&mut self, extension: f64) -> PyResult<()> {
[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]    --> cinefractal/src/py_focal_system.rs:188:64
[INFO] [stdout]     |
[INFO] [stdout] 188 |     pub fn set_extension_min(&mut self, extension_min: f64) -> PyResult<()> {
[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 `cinefractal` (lib test) due to 6 previous errors
[INFO] [stdout] error: useless conversion to the same type: `PyErr`
[INFO] [stdout]   --> cinefractal/src/py_iteration_field_interface.rs:64:62
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub fn set_fractal_exponent(&mut self, exponent: u32) -> PyResult<()> {
[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] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `cinefractal` (lib) due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "ce95aca86ad7bb4bd3f556558e4698eef13acb1de1a84fef56d005076eefbcda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce95aca86ad7bb4bd3f556558e4698eef13acb1de1a84fef56d005076eefbcda", kill_on_drop: false }`
[INFO] [stdout] ce95aca86ad7bb4bd3f556558e4698eef13acb1de1a84fef56d005076eefbcda
