[INFO] fetching crate msrtc-rans-python 0.3.1...
[INFO] checking msrtc-rans-python-0.3.1 against 52995a223f2919dd3e2e427231db90a257350ded for pr-129249-4
[INFO] extracting crate msrtc-rans-python 0.3.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate msrtc-rans-python 0.3.1
[INFO] finished tweaking crates.io crate msrtc-rans-python 0.3.1
[INFO] tweaked toml for crates.io crate msrtc-rans-python 0.3.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate msrtc-rans-python 0.3.1 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 crates.io crate msrtc-rans-python 0.3.1 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-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:c0af3998e971868164375a7dfb646c9933ddd1a3bdb00fa2041266763dc1eeab" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 3ee283c0f7379abe3ebd5ec7e89ceab91238b994a4785ec73552b1601146a28e
[INFO] running `Command { std: "docker" "start" "3ee283c0f7379abe3ebd5ec7e89ceab91238b994a4785ec73552b1601146a28e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ee283c0f7379abe3ebd5ec7e89ceab91238b994a4785ec73552b1601146a28e", 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" "3ee283c0f7379abe3ebd5ec7e89ceab91238b994a4785ec73552b1601146a28e" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ee283c0f7379abe3ebd5ec7e89ceab91238b994a4785ec73552b1601146a28e", 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" "3ee283c0f7379abe3ebd5ec7e89ceab91238b994a4785ec73552b1601146a28e" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]     Checking unindent v0.2.4
[INFO] [stderr]     Checking msrtc-rans-core v0.3.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]     Checking msrtc-rans v0.3.1
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling pyo3-build-config v0.22.6
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling pyo3-ffi v0.22.6
[INFO] [stderr]    Compiling pyo3-macros-backend v0.22.6
[INFO] [stderr]    Compiling pyo3 v0.22.6
[INFO] [stderr]    Compiling pyo3-macros v0.22.6
[INFO] [stderr]     Checking msrtc-rans-python v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `None` is never constructed
[INFO] [stdout]    --> src/lib.rs:196:5
[INFO] [stdout]     |
[INFO] [stdout] 195 | enum PyEncoderStream {
[INFO] [stdout]     |      --------------- variant in this enum
[INFO] [stdout] 196 |     None,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `PyErr`
[INFO] [stdout]    --> src/lib.rs:273:44
[INFO] [stdout]     |
[INFO] [stdout] 273 |     fn flush(&mut self, py: Python<'_>) -> PyResult<Py<PyAny>> {
[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:386:51
[INFO] [stdout]     |
[INFO] [stdout] 386 |     fn open(&mut self, data: Bound<'_, PyAny>) -> 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]    --> src/lib.rs:410:33
[INFO] [stdout]     |
[INFO] [stdout] 410 |     fn decode_eof(&mut self) -> 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]    --> src/lib.rs:487:10
[INFO] [stdout]     |
[INFO] [stdout] 487 |     ) -> 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]    --> src/lib.rs:581:10
[INFO] [stdout]     |
[INFO] [stdout] 581 |     ) -> 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] warning: variable `initialSize` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:254:26
[INFO] [stdout]     |
[INFO] [stdout] 254 |     fn new(variant: i32, initialSize: usize, maxSizeStep: usize) -> PyResult<Self> {
[INFO] [stdout]     |                          ^^^^^^^^^^^ help: convert the identifier to snake case: `initial_size`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `maxSizeStep` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:254:46
[INFO] [stdout]     |
[INFO] [stdout] 254 |     fn new(variant: i32, initialSize: usize, maxSizeStep: usize) -> PyResult<Self> {
[INFO] [stdout]     |                                              ^^^^^^^^^^^ help: convert the identifier to snake case: `max_size_step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `pmfLengths` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:440:9
[INFO] [stdout]     |
[INFO] [stdout] 440 |         pmfLengths: Bound<'_, PyAny>,
[INFO] [stdout]     |         ^^^^^^^^^^ help: convert the identifier to snake case: `pmf_lengths`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `pmfOffsets` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:441:9
[INFO] [stdout]     |
[INFO] [stdout] 441 |         pmfOffsets: Bound<'_, PyAny>,
[INFO] [stdout]     |         ^^^^^^^^^^ help: convert the identifier to snake case: `pmf_offsets`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `pmfTable` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:442:9
[INFO] [stdout]     |
[INFO] [stdout] 442 |         pmfTable: Bound<'_, PyAny>,
[INFO] [stdout]     |         ^^^^^^^^ help: convert the identifier to snake case: `pmf_table`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `symbolBits` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:444:9
[INFO] [stdout]     |
[INFO] [stdout] 444 |         symbolBits: u32,
[INFO] [stdout]     |         ^^^^^^^^^^ help: convert the identifier to snake case: `symbol_bits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `bypassBits` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:445:9
[INFO] [stdout]     |
[INFO] [stdout] 445 |         bypassBits: u32,
[INFO] [stdout]     |         ^^^^^^^^^^ help: convert the identifier to snake case: `bypass_bits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `pmfLengths` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:533:9
[INFO] [stdout]     |
[INFO] [stdout] 533 |         pmfLengths: Bound<'_, PyAny>,
[INFO] [stdout]     |         ^^^^^^^^^^ help: convert the identifier to snake case: `pmf_lengths`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `pmfOffsets` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:534:9
[INFO] [stdout]     |
[INFO] [stdout] 534 |         pmfOffsets: Bound<'_, PyAny>,
[INFO] [stdout]     |         ^^^^^^^^^^ help: convert the identifier to snake case: `pmf_offsets`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `pmfTable` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:535:9
[INFO] [stdout]     |
[INFO] [stdout] 535 |         pmfTable: Bound<'_, PyAny>,
[INFO] [stdout]     |         ^^^^^^^^ help: convert the identifier to snake case: `pmf_table`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `symbolBits` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:537:9
[INFO] [stdout]     |
[INFO] [stdout] 537 |         symbolBits: u32,
[INFO] [stdout]     |         ^^^^^^^^^^ help: convert the identifier to snake case: `symbol_bits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `bypassBits` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:538:9
[INFO] [stdout]     |
[INFO] [stdout] 538 |         bypassBits: u32,
[INFO] [stdout]     |         ^^^^^^^^^^ help: convert the identifier to snake case: `bypass_bits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `msrtc-rans-python` (lib) due to 5 previous errors; 13 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variant `None` is never constructed
[INFO] [stdout]    --> src/lib.rs:196:5
[INFO] [stdout]     |
[INFO] [stdout] 195 | enum PyEncoderStream {
[INFO] [stdout]     |      --------------- variant in this enum
[INFO] [stdout] 196 |     None,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `PyErr`
[INFO] [stdout]    --> src/lib.rs:273:44
[INFO] [stdout]     |
[INFO] [stdout] 273 |     fn flush(&mut self, py: Python<'_>) -> PyResult<Py<PyAny>> {
[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:386:51
[INFO] [stdout]     |
[INFO] [stdout] 386 |     fn open(&mut self, data: Bound<'_, PyAny>) -> 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]    --> src/lib.rs:410:33
[INFO] [stdout]     |
[INFO] [stdout] 410 |     fn decode_eof(&mut self) -> 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]    --> src/lib.rs:487:10
[INFO] [stdout]     |
[INFO] [stdout] 487 |     ) -> 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]    --> src/lib.rs:581:10
[INFO] [stdout]     |
[INFO] [stdout] 581 |     ) -> 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] warning: variable `initialSize` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:254:26
[INFO] [stdout]     |
[INFO] [stdout] 254 |     fn new(variant: i32, initialSize: usize, maxSizeStep: usize) -> PyResult<Self> {
[INFO] [stdout]     |                          ^^^^^^^^^^^ help: convert the identifier to snake case: `initial_size`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `maxSizeStep` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:254:46
[INFO] [stdout]     |
[INFO] [stdout] 254 |     fn new(variant: i32, initialSize: usize, maxSizeStep: usize) -> PyResult<Self> {
[INFO] [stdout]     |                                              ^^^^^^^^^^^ help: convert the identifier to snake case: `max_size_step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `pmfLengths` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:440:9
[INFO] [stdout]     |
[INFO] [stdout] 440 |         pmfLengths: Bound<'_, PyAny>,
[INFO] [stdout]     |         ^^^^^^^^^^ help: convert the identifier to snake case: `pmf_lengths`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `pmfOffsets` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:441:9
[INFO] [stdout]     |
[INFO] [stdout] 441 |         pmfOffsets: Bound<'_, PyAny>,
[INFO] [stdout]     |         ^^^^^^^^^^ help: convert the identifier to snake case: `pmf_offsets`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `pmfTable` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:442:9
[INFO] [stdout]     |
[INFO] [stdout] 442 |         pmfTable: Bound<'_, PyAny>,
[INFO] [stdout]     |         ^^^^^^^^ help: convert the identifier to snake case: `pmf_table`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `symbolBits` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:444:9
[INFO] [stdout]     |
[INFO] [stdout] 444 |         symbolBits: u32,
[INFO] [stdout]     |         ^^^^^^^^^^ help: convert the identifier to snake case: `symbol_bits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `bypassBits` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:445:9
[INFO] [stdout]     |
[INFO] [stdout] 445 |         bypassBits: u32,
[INFO] [stdout]     |         ^^^^^^^^^^ help: convert the identifier to snake case: `bypass_bits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `pmfLengths` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:533:9
[INFO] [stdout]     |
[INFO] [stdout] 533 |         pmfLengths: Bound<'_, PyAny>,
[INFO] [stdout]     |         ^^^^^^^^^^ help: convert the identifier to snake case: `pmf_lengths`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `pmfOffsets` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:534:9
[INFO] [stdout]     |
[INFO] [stdout] 534 |         pmfOffsets: Bound<'_, PyAny>,
[INFO] [stdout]     |         ^^^^^^^^^^ help: convert the identifier to snake case: `pmf_offsets`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `pmfTable` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:535:9
[INFO] [stdout]     |
[INFO] [stdout] 535 |         pmfTable: Bound<'_, PyAny>,
[INFO] [stdout]     |         ^^^^^^^^ help: convert the identifier to snake case: `pmf_table`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `symbolBits` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:537:9
[INFO] [stdout]     |
[INFO] [stdout] 537 |         symbolBits: u32,
[INFO] [stdout]     |         ^^^^^^^^^^ help: convert the identifier to snake case: `symbol_bits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `bypassBits` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:538:9
[INFO] [stdout]     |
[INFO] [stdout] 538 |         bypassBits: u32,
[INFO] [stdout]     |         ^^^^^^^^^^ help: convert the identifier to snake case: `bypass_bits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `msrtc-rans-python` (lib test) due to 5 previous errors; 13 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "3ee283c0f7379abe3ebd5ec7e89ceab91238b994a4785ec73552b1601146a28e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ee283c0f7379abe3ebd5ec7e89ceab91238b994a4785ec73552b1601146a28e", kill_on_drop: false }`
[INFO] [stdout] 3ee283c0f7379abe3ebd5ec7e89ceab91238b994a4785ec73552b1601146a28e
