[INFO] fetching crate r2d2-pal 0.1.11...
[INFO] checking r2d2-pal-0.1.11 against 52995a223f2919dd3e2e427231db90a257350ded for pr-129249-4
[INFO] extracting crate r2d2-pal 0.1.11 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate r2d2-pal 0.1.11
[INFO] finished tweaking crates.io crate r2d2-pal 0.1.11
[INFO] tweaked toml for crates.io crate r2d2-pal 0.1.11 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate r2d2-pal 0.1.11 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 62 packages to highest compatible versions
[INFO] [stderr]       Adding linux-embedded-hal v0.4.1 (available: v0.5.0)
[INFO] [stderr]       Adding pyo3 v0.22.6 (available: v0.30.1)
[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] [stderr] warning: Cargo.toml: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr] warning: `r2d2-pal` (manifest) generated 1 warning
[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:c0af3998e971868164375a7dfb646c9933ddd1a3bdb00fa2041266763dc1eeab" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] cd16c2daf28db4f8e21e259f674488e4e2f384d59fbe76aa5f06c5b2015af119
[INFO] running `Command { std: "docker" "start" "cd16c2daf28db4f8e21e259f674488e4e2f384d59fbe76aa5f06c5b2015af119", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd16c2daf28db4f8e21e259f674488e4e2f384d59fbe76aa5f06c5b2015af119", 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" "cd16c2daf28db4f8e21e259f674488e4e2f384d59fbe76aa5f06c5b2015af119" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd16c2daf28db4f8e21e259f674488e4e2f384d59fbe76aa5f06c5b2015af119", 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" "cd16c2daf28db4f8e21e259f674488e4e2f384d59fbe76aa5f06c5b2015af119" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr] warning: `r2d2-pal` (manifest) generated 1 warning
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling pyo3-build-config v0.22.6
[INFO] [stderr]     Checking nix v0.27.1
[INFO] [stderr]    Compiling syn v3.0.9
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]     Checking i2cdev v0.6.2
[INFO] [stderr]     Checking spidev v0.6.1
[INFO] [stderr]     Checking embedded-hal-nb v1.0.0
[INFO] [stderr]    Compiling indoc v2.0.8
[INFO] [stderr]     Checking unindent v0.2.4
[INFO] [stderr]     Checking nix v0.23.2
[INFO] [stderr]     Checking gpio-cdev v0.6.0
[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 thiserror-impl v2.0.21
[INFO] [stderr]     Checking thiserror v2.0.21
[INFO] [stderr]     Checking unescaper v0.1.10
[INFO] [stderr]     Checking sysfs_gpio v0.6.2
[INFO] [stderr]     Checking openpty v0.2.0
[INFO] [stderr]     Checking serialport v4.10.1
[INFO] [stderr]     Checking linux-embedded-hal v0.4.1
[INFO] [stderr]    Compiling pyo3-macros v0.22.6
[INFO] [stderr]     Checking r2d2-pal v0.1.11 (/opt/rustwide/workdir)
[INFO] [stdout] error: useless conversion to the same type: `PyErr`
[INFO] [stdout]   --> src/bus/i2c.rs:46:40
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn read(&mut self, length: u16) -> PyResult<Vec<u8>> {
[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/bus/i2c.rs:62:47
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn write(&mut self, mut data: Vec<u8>) -> 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/bus/serial.rs:93:27
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn open(&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/bus/serial.rs:117:28
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn close(&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/bus/serial.rs:124:54
[INFO] [stdout]     |
[INFO] [stdout] 124 |     fn read(&mut self, length: u16, timeout: f32) -> PyResult<Vec<u8>> {
[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/bus/serial.rs:155:43
[INFO] [stdout]     |
[INFO] [stdout] 155 |     fn write(&mut self, data: Vec<u8>) -> 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/bus/serial.rs:177:28
[INFO] [stdout]     |
[INFO] [stdout] 177 |     fn flush(&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/bus/serial.rs:194:36
[INFO] [stdout]     |
[INFO] [stdout] 194 |     fn input_waiting(&mut self) -> PyResult<u32> {
[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/gpio.rs:124:47
[INFO] [stdout]     |
[INFO] [stdout] 124 |     fn set_state(&mut self, state: String) -> 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/gpio.rs:144:32
[INFO] [stdout]     |
[INFO] [stdout] 144 |     fn get_state(&mut self) -> PyResult<String> {
[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/bus/i2c.rs:46:40
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn read(&mut self, length: u16) -> PyResult<Vec<u8>> {
[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/bus/i2c.rs:62:47
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn write(&mut self, mut data: Vec<u8>) -> 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/bus/serial.rs:93:27
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn open(&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/bus/serial.rs:117:28
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn close(&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/bus/serial.rs:124:54
[INFO] [stdout]     |
[INFO] [stdout] 124 |     fn read(&mut self, length: u16, timeout: f32) -> PyResult<Vec<u8>> {
[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/bus/serial.rs:155:43
[INFO] [stdout]     |
[INFO] [stdout] 155 |     fn write(&mut self, data: Vec<u8>) -> 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/bus/serial.rs:177:28
[INFO] [stdout]     |
[INFO] [stdout] 177 |     fn flush(&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/bus/serial.rs:194:36
[INFO] [stdout]     |
[INFO] [stdout] 194 |     fn input_waiting(&mut self) -> PyResult<u32> {
[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/gpio.rs:124:47
[INFO] [stdout]     |
[INFO] [stdout] 124 |     fn set_state(&mut self, state: String) -> 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/gpio.rs:144:32
[INFO] [stdout]     |
[INFO] [stdout] 144 |     fn get_state(&mut self) -> PyResult<String> {
[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 `r2d2-pal` (lib test) due to 10 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `r2d2-pal` (lib) due to 10 previous errors
[INFO] running `Command { std: "docker" "inspect" "cd16c2daf28db4f8e21e259f674488e4e2f384d59fbe76aa5f06c5b2015af119", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd16c2daf28db4f8e21e259f674488e4e2f384d59fbe76aa5f06c5b2015af119", kill_on_drop: false }`
[INFO] [stdout] cd16c2daf28db4f8e21e259f674488e4e2f384d59fbe76aa5f06c5b2015af119
