[INFO] cloning repository https://github.com/Thell/fast-paths [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Thell/fast-paths" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThell%2Ffast-paths", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThell%2Ffast-paths'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 19ffdd1a9dfc1cf56287fbf1e5bda2da289f4035 [INFO] checking Thell/fast-paths against 52995a223f2919dd3e2e427231db90a257350ded for pr-129249-4 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThell%2Ffast-paths" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Thell/fast-paths [INFO] finished tweaking git repo https://github.com/Thell/fast-paths [INFO] tweaked toml for git repo https://github.com/Thell/fast-paths written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Thell/fast-paths 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/Thell/fast-paths 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-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 99cbd3bd0f2a0052c1f12f4057c540d401b6a6154ee6c86459d2b5a00414395d [INFO] running `Command { std: "docker" "start" "99cbd3bd0f2a0052c1f12f4057c540d401b6a6154ee6c86459d2b5a00414395d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "99cbd3bd0f2a0052c1f12f4057c540d401b6a6154ee6c86459d2b5a00414395d", 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" "99cbd3bd0f2a0052c1f12f4057c540d401b6a6154ee6c86459d2b5a00414395d" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "99cbd3bd0f2a0052c1f12f4057c540d401b6a6154ee6c86459d2b5a00414395d", 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" "99cbd3bd0f2a0052c1f12f4057c540d401b6a6154ee6c86459d2b5a00414395d" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] Compiling target-lexicon v0.13.5 [INFO] [stderr] Compiling proc-macro2 v1.0.106 [INFO] [stderr] Compiling libc v0.2.185 [INFO] [stderr] Checking indexmap v2.14.0 [INFO] [stderr] Compiling pyo3-build-config v0.28.3 [INFO] [stderr] Compiling quote v1.0.45 [INFO] [stderr] Checking priority-queue v2.7.0 [INFO] [stderr] Compiling syn v2.0.117 [INFO] [stderr] Compiling pyo3-ffi v0.28.3 [INFO] [stderr] Compiling pyo3-macros-backend v0.28.3 [INFO] [stderr] Compiling pyo3 v0.28.3 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Checking serde v1.0.228 [INFO] [stderr] Checking fast_paths v1.0.0 [INFO] [stderr] Compiling pyo3-macros v0.28.3 [INFO] [stderr] Checking fast-paths v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: useless conversion to the same type: `PyErr` [INFO] [stdout] --> src/lib.rs:99:42 [INFO] [stdout] | [INFO] [stdout] 99 | fn to_file(&self, filename: &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:112:49 [INFO] [stdout] | [INFO] [stdout] 112 | fn to_dimacs_file(&self, filename: &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:391:77 [INFO] [stdout] | [INFO] [stdout] 391 | fn py_prepare_with_order(input_graph: &PyInputGraph, order: Vec) -> 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:402:6 [INFO] [stdout] | [INFO] [stdout] 402 | ) -> 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:99:42 [INFO] [stdout] | [INFO] [stdout] 99 | fn to_file(&self, filename: &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] [stderr] error: could not compile `fast-paths` (lib test) due to 4 previous errors [INFO] [stdout] error: useless conversion to the same type: `PyErr` [INFO] [stdout] --> src/lib.rs:112:49 [INFO] [stdout] | [INFO] [stdout] 112 | fn to_dimacs_file(&self, filename: &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] [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:391:77 [INFO] [stdout] | [INFO] [stdout] 391 | fn py_prepare_with_order(input_graph: &PyInputGraph, order: Vec) -> 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:402:6 [INFO] [stdout] | [INFO] [stdout] 402 | ) -> 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 `fast-paths` (lib) due to 4 previous errors [INFO] running `Command { std: "docker" "inspect" "99cbd3bd0f2a0052c1f12f4057c540d401b6a6154ee6c86459d2b5a00414395d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "99cbd3bd0f2a0052c1f12f4057c540d401b6a6154ee6c86459d2b5a00414395d", kill_on_drop: false }` [INFO] [stdout] 99cbd3bd0f2a0052c1f12f4057c540d401b6a6154ee6c86459d2b5a00414395d