[INFO] cloning repository https://github.com/elkanatovey/babyjubjub-py
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/elkanatovey/babyjubjub-py" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felkanatovey%2Fbabyjubjub-py", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felkanatovey%2Fbabyjubjub-py'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fa9ddae70cf269267996508008fdb5480839be34
[INFO] checking elkanatovey/babyjubjub-py against 52995a223f2919dd3e2e427231db90a257350ded for pr-129249-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felkanatovey%2Fbabyjubjub-py" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/elkanatovey/babyjubjub-py
[INFO] finished tweaking git repo https://github.com/elkanatovey/babyjubjub-py
[INFO] tweaked toml for git repo https://github.com/elkanatovey/babyjubjub-py written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/elkanatovey/babyjubjub-py 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/elkanatovey/babyjubjub-py 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-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f387be3c9c6c7d4eb585666dbc4a4e059ed3ba1206c32ac38b3fbd34b96b93e9
[INFO] running `Command { std: "docker" "start" "f387be3c9c6c7d4eb585666dbc4a4e059ed3ba1206c32ac38b3fbd34b96b93e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f387be3c9c6c7d4eb585666dbc4a4e059ed3ba1206c32ac38b3fbd34b96b93e9", 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" "f387be3c9c6c7d4eb585666dbc4a4e059ed3ba1206c32ac38b3fbd34b96b93e9" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f387be3c9c6c7d4eb585666dbc4a4e059ed3ba1206c32ac38b3fbd34b96b93e9", 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" "f387be3c9c6c7d4eb585666dbc4a4e059ed3ba1206c32ac38b3fbd34b96b93e9" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.13.3
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking unindent v0.2.4
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking blake-hash v0.4.1
[INFO] [stderr]    Compiling pyo3-build-config v0.27.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]    Compiling pyo3-ffi v0.27.1
[INFO] [stderr]    Compiling pyo3-macros-backend v0.27.1
[INFO] [stderr]    Compiling pyo3 v0.27.1
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]    Compiling ff_derive_ce v0.8.0
[INFO] [stderr]     Checking serde_json v1.0.145
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking ff_ce v0.11.0
[INFO] [stderr]     Checking poseidon-rs v0.0.8
[INFO] [stderr]     Checking babyjubjub-rs v0.0.11
[INFO] [stderr]    Compiling pyo3-macros v0.27.1
[INFO] [stderr]     Checking babyjubjub-py v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: useless conversion to the same type: `PyErr`
[INFO] [stdout]   --> src/lib.rs:67:37
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn from_scalar(scalar: &str) -> PyResult<Self> {
[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:101:56
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn scalar_mult(&self, py: Python, scalar: &str) -> PyResult<Self> {
[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:148:38
[INFO] [stdout]     |
[INFO] [stdout] 148 |     fn from_bytes(bytes: Vec<u8>) -> PyResult<Self> {
[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:169:51
[INFO] [stdout]     |
[INFO] [stdout] 169 |     fn from_bytes_uncompressed(bytes: Vec<u8>) -> PyResult<Self> {
[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:222:38
[INFO] [stdout]     |
[INFO] [stdout] 222 |     fn hash_to_point(data: &[u8]) -> PyResult<Self> {
[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:67:37
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn from_scalar(scalar: &str) -> PyResult<Self> {
[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:101:56
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn scalar_mult(&self, py: Python, scalar: &str) -> PyResult<Self> {
[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:148:38
[INFO] [stdout]     |
[INFO] [stdout] 148 |     fn from_bytes(bytes: Vec<u8>) -> PyResult<Self> {
[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:169:51
[INFO] [stdout]     |
[INFO] [stdout] 169 |     fn from_bytes_uncompressed(bytes: Vec<u8>) -> PyResult<Self> {
[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:222:38
[INFO] [stdout]     |
[INFO] [stdout] 222 |     fn hash_to_point(data: &[u8]) -> PyResult<Self> {
[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 `babyjubjub-py` (lib test) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `babyjubjub-py` (lib) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "f387be3c9c6c7d4eb585666dbc4a4e059ed3ba1206c32ac38b3fbd34b96b93e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f387be3c9c6c7d4eb585666dbc4a4e059ed3ba1206c32ac38b3fbd34b96b93e9", kill_on_drop: false }`
[INFO] [stdout] f387be3c9c6c7d4eb585666dbc4a4e059ed3ba1206c32ac38b3fbd34b96b93e9
