[INFO] fetching crate balance_engine 0.0.3-rc1...
[INFO] checking balance_engine-0.0.3-rc1 against 52995a223f2919dd3e2e427231db90a257350ded for pr-129249-4
[INFO] extracting crate balance_engine 0.0.3-rc1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate balance_engine 0.0.3-rc1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate balance_engine 0.0.3-rc1
[INFO] tweaked toml for crates.io crate balance_engine 0.0.3-rc1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate balance_engine 0.0.3-rc1 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 balance_engine 0.0.3-rc1 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-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 5d76573c92f359f9080a5566dd3a36f42d85ac5a8fa2137247e9a14b7e687763
[INFO] running `Command { std: "docker" "start" "5d76573c92f359f9080a5566dd3a36f42d85ac5a8fa2137247e9a14b7e687763", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d76573c92f359f9080a5566dd3a36f42d85ac5a8fa2137247e9a14b7e687763", 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" "5d76573c92f359f9080a5566dd3a36f42d85ac5a8fa2137247e9a14b7e687763" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d76573c92f359f9080a5566dd3a36f42d85ac5a8fa2137247e9a14b7e687763", 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" "5d76573c92f359f9080a5566dd3a36f42d85ac5a8fa2137247e9a14b7e687763" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling target-lexicon v0.13.2
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]     Checking smallvec v1.15.0
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling indoc v2.0.6
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking unindent v0.2.4
[INFO] [stderr]     Checking dev_utils v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling matrixmultiply v0.3.9
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling pyo3-build-config v0.24.1
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking ndarray v0.16.1
[INFO] [stderr]     Checking sprs v0.11.3
[INFO] [stderr]    Compiling pyo3-ffi v0.24.1
[INFO] [stderr]    Compiling pyo3-macros-backend v0.24.1
[INFO] [stderr]    Compiling pyo3 v0.24.1
[INFO] [stderr]     Checking microlp v0.2.11
[INFO] [stderr]     Checking good_lp v1.13.0
[INFO] [stderr]    Compiling pyo3-macros v0.24.1
[INFO] [stderr]     Checking balance_engine v0.0.3-rc1 (/opt/rustwide/workdir)
[INFO] [stdout] error: useless conversion to the same type: `PyErr`
[INFO] [stdout]   --> src/lib.rs:23:18
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn init() -> 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]    = 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:37:50
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn time_exec(py: Python<'_>, func: Py<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:23:18
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn init() -> 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]    = 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:37:50
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn time_exec(py: Python<'_>, func: Py<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] [stderr] error: could not compile `balance_engine` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `balance_engine` (lib test) due to 2 previous errors
[INFO] [stderr] warning: unused dependency `good_lp`
[INFO] [stderr]  --> Cargo.toml:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 | [dependencies.good_lp]
[INFO] [stderr]   |               ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `good_lp`
[INFO] [stderr] warning: `balance_engine` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "inspect" "5d76573c92f359f9080a5566dd3a36f42d85ac5a8fa2137247e9a14b7e687763", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d76573c92f359f9080a5566dd3a36f42d85ac5a8fa2137247e9a14b7e687763", kill_on_drop: false }`
[INFO] [stdout] 5d76573c92f359f9080a5566dd3a36f42d85ac5a8fa2137247e9a14b7e687763
