[INFO] fetching crate qoqo_qasm 0.16.0...
[INFO] checking qoqo_qasm-0.16.0 against 52995a223f2919dd3e2e427231db90a257350ded for pr-129249-4
[INFO] extracting crate qoqo_qasm 0.16.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate qoqo_qasm 0.16.0
[INFO] finished tweaking crates.io crate qoqo_qasm 0.16.0
[INFO] tweaked toml for crates.io crate qoqo_qasm 0.16.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate qoqo_qasm 0.16.0 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 qoqo_qasm 0.16.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 164374a93aad7cfd995702258a910d59f571668df5e180217f9a51d31c5ffe55
[INFO] running `Command { std: "docker" "start" "164374a93aad7cfd995702258a910d59f571668df5e180217f9a51d31c5ffe55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "164374a93aad7cfd995702258a910d59f571668df5e180217f9a51d31c5ffe55", 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" "164374a93aad7cfd995702258a910d59f571668df5e180217f9a51d31c5ffe55" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "164374a93aad7cfd995702258a910d59f571668df5e180217f9a51d31c5ffe55", 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" "164374a93aad7cfd995702258a910d59f571668df5e180217f9a51d31c5ffe55" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling serde_json v1.0.150
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[INFO] [stderr]    Compiling qoqo_qasm v0.16.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling qoqo-macros v1.22.1
[INFO] [stderr]     Checking roqoqo-qasm v0.16.0
[INFO] [stdout] error: useless conversion to the same type: `PyErr`
[INFO] [stdout]   --> src/backend.rs:72:66
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn circuit_to_qasm_str(&self, circuit: &Bound<PyAny>) -> 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]    = 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/backend.rs:101:10
[INFO] [stdout]     |
[INFO] [stdout] 101 |     ) -> 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/backend.rs:123:55
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub fn qasm_file_to_circuit(&self, file: &str) -> PyResult<CircuitWrapper> {
[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/backend.rs:138:55
[INFO] [stdout]     |
[INFO] [stdout] 138 |     pub fn qasm_str_to_circuit(&self, input: &str) -> PyResult<CircuitWrapper> {
[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/interface.rs:41:6
[INFO] [stdout]    |
[INFO] [stdout] 41 | ) -> PyResult<Vec<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/interface.rs:70:6
[INFO] [stdout]    |
[INFO] [stdout] 70 | ) -> 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/interface.rs:94:78
[INFO] [stdout]    |
[INFO] [stdout] 94 | pub fn qasm_gate_definition(operation: &Bound<PyAny>, qasm_version: &str) -> 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/parser.rs:34:44
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn qasm_file_to_circuit(file: &str) -> PyResult<CircuitWrapper> {
[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/parser.rs:55:44
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn qasm_str_to_circuit(input: &str) -> PyResult<CircuitWrapper> {
[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 `qoqo_qasm` (lib) due to 9 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: useless conversion to the same type: `PyErr`
[INFO] [stdout]   --> src/backend.rs:72:66
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn circuit_to_qasm_str(&self, circuit: &Bound<PyAny>) -> 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]    = 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/backend.rs:101:10
[INFO] [stdout]     |
[INFO] [stdout] 101 |     ) -> 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/backend.rs:123:55
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub fn qasm_file_to_circuit(&self, file: &str) -> PyResult<CircuitWrapper> {
[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/backend.rs:138:55
[INFO] [stdout]     |
[INFO] [stdout] 138 |     pub fn qasm_str_to_circuit(&self, input: &str) -> PyResult<CircuitWrapper> {
[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/interface.rs:41:6
[INFO] [stdout]    |
[INFO] [stdout] 41 | ) -> PyResult<Vec<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/interface.rs:70:6
[INFO] [stdout]    |
[INFO] [stdout] 70 | ) -> 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/interface.rs:94:78
[INFO] [stdout]    |
[INFO] [stdout] 94 | pub fn qasm_gate_definition(operation: &Bound<PyAny>, qasm_version: &str) -> 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/parser.rs:34:44
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn qasm_file_to_circuit(file: &str) -> PyResult<CircuitWrapper> {
[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/parser.rs:55:44
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn qasm_str_to_circuit(input: &str) -> PyResult<CircuitWrapper> {
[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 `qoqo_qasm` (lib test) due to 9 previous errors
[INFO] running `Command { std: "docker" "inspect" "164374a93aad7cfd995702258a910d59f571668df5e180217f9a51d31c5ffe55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "164374a93aad7cfd995702258a910d59f571668df5e180217f9a51d31c5ffe55", kill_on_drop: false }`
[INFO] [stdout] 164374a93aad7cfd995702258a910d59f571668df5e180217f9a51d31c5ffe55
