[INFO] cloning repository https://github.com/DariusIMP/charms-py [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DariusIMP/charms-py" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDariusIMP%2Fcharms-py", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDariusIMP%2Fcharms-py'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2e993df4a040ebb3abc09548e0e4a216181a1120 [INFO] checking DariusIMP/charms-py against 52995a223f2919dd3e2e427231db90a257350ded for pr-129249-4 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDariusIMP%2Fcharms-py" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/DariusIMP/charms-py [INFO] finished tweaking git repo https://github.com/DariusIMP/charms-py [INFO] tweaked toml for git repo https://github.com/DariusIMP/charms-py written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/DariusIMP/charms-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/DariusIMP/charms-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-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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }` [INFO] [stdout] 9c2457b65107f8fa4e45085479a660c0a4f6a58754c143db427541ae94a24062 [INFO] running `Command { std: "docker" "start" "9c2457b65107f8fa4e45085479a660c0a4f6a58754c143db427541ae94a24062", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9c2457b65107f8fa4e45085479a660c0a4f6a58754c143db427541ae94a24062", 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" "9c2457b65107f8fa4e45085479a660c0a4f6a58754c143db427541ae94a24062" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9c2457b65107f8fa4e45085479a660c0a4f6a58754c143db427541ae94a24062", 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" "9c2457b65107f8fa4e45085479a660c0a4f6a58754c143db427541ae94a24062" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] Compiling quote v1.0.42 [INFO] [stderr] Compiling target-lexicon v0.13.3 [INFO] [stderr] Compiling zerocopy v0.8.31 [INFO] [stderr] Compiling libc v0.2.178 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking ciborium-io v0.2.2 [INFO] [stderr] Compiling serde_json v1.0.145 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking unindent v0.2.4 [INFO] [stderr] Checking memchr v2.7.6 [INFO] [stderr] Compiling syn v2.0.111 [INFO] [stderr] Compiling pyo3-build-config v0.27.2 [INFO] [stderr] Compiling pyo3-macros-backend v0.27.2 [INFO] [stderr] Compiling pyo3-ffi v0.27.2 [INFO] [stderr] Compiling pyo3 v0.27.2 [INFO] [stderr] Compiling zerocopy-derive v0.8.31 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Checking serde v1.0.228 [INFO] [stderr] Compiling pyo3-macros v0.27.2 [INFO] [stderr] Checking ppv-lite86 v0.2.21 [INFO] [stderr] Checking half v2.7.1 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking ciborium-ll v0.2.2 [INFO] [stderr] Checking ciborium v0.2.2 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking ark-std v0.5.0 [INFO] [stderr] Checking charms-data v0.10.0 [INFO] [stderr] Checking charms-py v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: useless conversion to the same type: `PyErr` [INFO] [stdout] --> src/lib.rs:49:29 [INFO] [stdout] | [INFO] [stdout] 49 | fn from_str(s: &str) -> PyResult { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this method call relies on the `impl Into 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:103:29 [INFO] [stdout] | [INFO] [stdout] 103 | fn from_str(s: &str) -> PyResult { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this method call relies on the `impl Into 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:141:29 [INFO] [stdout] | [INFO] [stdout] 141 | fn from_str(s: &str) -> PyResult { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this method call relies on the `impl Into 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:176:29 [INFO] [stdout] | [INFO] [stdout] 176 | fn from_str(s: &str) -> PyResult { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this method call relies on the `impl Into 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:302:37 [INFO] [stdout] | [INFO] [stdout] 302 | fn from_json(json_str: &str) -> PyResult { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this method call relies on the `impl Into 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:318:26 [INFO] [stdout] | [INFO] [stdout] 318 | fn to_json(&self) -> PyResult { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this method call relies on the `impl Into 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:340:37 [INFO] [stdout] | [INFO] [stdout] 340 | fn from_json(json_str: &str) -> PyResult { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this method call relies on the `impl Into 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:346:26 [INFO] [stdout] | [INFO] [stdout] 346 | fn to_json(&self) -> PyResult { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this method call relies on the `impl Into 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 `charms-py` (lib test) due to 8 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/lib.rs:49:29 [INFO] [stdout] | [INFO] [stdout] 49 | fn from_str(s: &str) -> PyResult { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this method call relies on the `impl Into 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:103:29 [INFO] [stdout] | [INFO] [stdout] 103 | fn from_str(s: &str) -> PyResult { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this method call relies on the `impl Into 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:141:29 [INFO] [stdout] | [INFO] [stdout] 141 | fn from_str(s: &str) -> PyResult { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this method call relies on the `impl Into 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:176:29 [INFO] [stdout] | [INFO] [stdout] 176 | fn from_str(s: &str) -> PyResult { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this method call relies on the `impl Into 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:302:37 [INFO] [stdout] | [INFO] [stdout] 302 | fn from_json(json_str: &str) -> PyResult { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this method call relies on the `impl Into 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:318:26 [INFO] [stdout] | [INFO] [stdout] 318 | fn to_json(&self) -> PyResult { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this method call relies on the `impl Into 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:340:37 [INFO] [stdout] | [INFO] [stdout] 340 | fn from_json(json_str: &str) -> PyResult { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this method call relies on the `impl Into 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:346:26 [INFO] [stdout] | [INFO] [stdout] 346 | fn to_json(&self) -> PyResult { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this method call relies on the `impl Into 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 `charms-py` (lib) due to 8 previous errors [INFO] running `Command { std: "docker" "inspect" "9c2457b65107f8fa4e45085479a660c0a4f6a58754c143db427541ae94a24062", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9c2457b65107f8fa4e45085479a660c0a4f6a58754c143db427541ae94a24062", kill_on_drop: false }` [INFO] [stdout] 9c2457b65107f8fa4e45085479a660c0a4f6a58754c143db427541ae94a24062