[INFO] fetching crate blackscholes 0.24.0...
[INFO] checking blackscholes-0.24.0 against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
[INFO] extracting crate blackscholes 0.24.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate blackscholes 0.24.0
[INFO] finished tweaking crates.io crate blackscholes 0.24.0
[INFO] tweaked toml for crates.io crate blackscholes 0.24.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate blackscholes 0.24.0 on toolchain a5689b034ad287112f709693384a37f1377eb9cc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "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" "+a5689b034ad287112f709693384a37f1377eb9cc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 99 packages to highest compatible versions
[INFO] [stderr]       Adding criterion v0.5.1 (available: v0.8.2)
[INFO] [stderr]       Adding statrs v0.16.1 (available: v0.19.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] b4d8e6a100c0cfc03033f6271ccf64902778721993e7d2c6dac68ff1db2b0e3a
[INFO] running `Command { std: "docker" "start" "b4d8e6a100c0cfc03033f6271ccf64902778721993e7d2c6dac68ff1db2b0e3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4d8e6a100c0cfc03033f6271ccf64902778721993e7d2c6dac68ff1db2b0e3a", 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" "b4d8e6a100c0cfc03033f6271ccf64902778721993e7d2c6dac68ff1db2b0e3a" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4d8e6a100c0cfc03033f6271ccf64902778721993e7d2c6dac68ff1db2b0e3a", 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" "b4d8e6a100c0cfc03033f6271ccf64902778721993e7d2c6dac68ff1db2b0e3a" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.63
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking bytemuck v1.25.2
[INFO] [stderr]    Compiling syn v3.0.9
[INFO] [stderr]    Compiling matrixmultiply v0.3.11
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling jobserver v0.1.35
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking safe_arch v0.7.4
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]    Compiling serde_json v1.0.154
[INFO] [stderr]     Checking either v1.19.0
[INFO] [stderr]    Compiling cc v1.9.0
[INFO] [stderr]     Checking wide v0.7.33
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking typenum v1.20.1
[INFO] [stderr]     Checking memchr v2.8.3
[INFO] [stderr]     Checking regex-automata v0.4.18
[INFO] [stderr]     Checking simba v0.6.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling blackscholes v0.24.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `cc::Build::shared_flag`: cc only creates static libraries, setting this does nothing
[INFO] [stdout]   --> build.rs:22:10
[INFO] [stdout]    |
[INFO] [stdout] 22 |         .shared_flag(true)
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]     Checking regex v1.13.1
[INFO] [stderr]     Checking rayon v1.12.0
[INFO] [stderr]     Checking is-terminal v0.4.17
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]    Compiling zerocopy-derive v0.8.63
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
[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 rand v0.8.8
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Checking nalgebra v0.29.0
[INFO] [stderr]     Checking statrs v0.16.1
[INFO] [stdout] error: useless conversion to the same type: `f64`
[INFO] [stdout]   --> src/lets_be_rational.rs:42:27
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let price: c_double = price.into();
[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] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 42 -     let price: c_double = price.into();
[INFO] [stdout] 42 +     let price: c_double = price;
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 42 -     let price: c_double = price.into();
[INFO] [stdout] 42 +     let price: c_double = <f64 as Into<_>>::into(price);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `f64`
[INFO] [stdout]   --> src/lets_be_rational.rs:43:23
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let f: c_double = f.into();
[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] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 43 -     let f: c_double = f.into();
[INFO] [stdout] 43 +     let f: c_double = f;
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 43 -     let f: c_double = f.into();
[INFO] [stdout] 43 +     let f: c_double = <f64 as Into<_>>::into(f);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `f64`
[INFO] [stdout]   --> src/lets_be_rational.rs:44:23
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let k: c_double = k.into();
[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] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 44 -     let k: c_double = k.into();
[INFO] [stdout] 44 +     let k: c_double = k;
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 44 -     let k: c_double = k.into();
[INFO] [stdout] 44 +     let k: c_double = <f64 as Into<_>>::into(k);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `f64`
[INFO] [stdout]   --> src/lets_be_rational.rs:45:23
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let t: c_double = t.into();
[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] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 45 -     let t: c_double = t.into();
[INFO] [stdout] 45 +     let t: c_double = t;
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 45 -     let t: c_double = t.into();
[INFO] [stdout] 45 +     let t: c_double = <f64 as Into<_>>::into(t);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `f64`
[INFO] [stdout]   --> src/lets_be_rational.rs:46:23
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let q: c_double = q.into();
[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] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 46 -     let q: c_double = q.into();
[INFO] [stdout] 46 +     let q: c_double = q;
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 46 -     let q: c_double = q.into();
[INFO] [stdout] 46 +     let q: c_double = <f64 as Into<_>>::into(q);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `f64`
[INFO] [stdout]   --> src/lets_be_rational.rs:57:23
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let f: c_double = f.into();
[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] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 57 -     let f: c_double = f.into();
[INFO] [stdout] 57 +     let f: c_double = f;
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 57 -     let f: c_double = f.into();
[INFO] [stdout] 57 +     let f: c_double = <f64 as Into<_>>::into(f);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `f64`
[INFO] [stdout]   --> src/lets_be_rational.rs:58:23
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let k: c_double = k.into();
[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] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 58 -     let k: c_double = k.into();
[INFO] [stdout] 58 +     let k: c_double = k;
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 58 -     let k: c_double = k.into();
[INFO] [stdout] 58 +     let k: c_double = <f64 as Into<_>>::into(k);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `f64`
[INFO] [stdout]   --> src/lets_be_rational.rs:59:27
[INFO] [stdout]    |
[INFO] [stdout] 59 |     let sigma: c_double = sigma.into();
[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] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 59 -     let sigma: c_double = sigma.into();
[INFO] [stdout] 59 +     let sigma: c_double = sigma;
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 59 -     let sigma: c_double = sigma.into();
[INFO] [stdout] 59 +     let sigma: c_double = <f64 as Into<_>>::into(sigma);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `f64`
[INFO] [stdout]   --> src/lets_be_rational.rs:60:23
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let t: c_double = t.into();
[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] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 60 -     let t: c_double = t.into();
[INFO] [stdout] 60 +     let t: c_double = t;
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 60 -     let t: c_double = t.into();
[INFO] [stdout] 60 +     let t: c_double = <f64 as Into<_>>::into(t);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `f64`
[INFO] [stdout]   --> src/lets_be_rational.rs:61:23
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let q: c_double = q.into();
[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] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 61 -     let q: c_double = q.into();
[INFO] [stdout] 61 +     let q: c_double = q;
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 61 -     let q: c_double = q.into();
[INFO] [stdout] 61 +     let q: c_double = <f64 as Into<_>>::into(q);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `f64`
[INFO] [stdout]   --> src/lets_be_rational.rs:42:27
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let price: c_double = price.into();
[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] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 42 -     let price: c_double = price.into();
[INFO] [stdout] 42 +     let price: c_double = price;
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 42 -     let price: c_double = price.into();
[INFO] [stdout] 42 +     let price: c_double = <f64 as Into<_>>::into(price);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `f64`
[INFO] [stdout]   --> src/lets_be_rational.rs:43:23
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let f: c_double = f.into();
[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] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 43 -     let f: c_double = f.into();
[INFO] [stdout] 43 +     let f: c_double = f;
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 43 -     let f: c_double = f.into();
[INFO] [stdout] 43 +     let f: c_double = <f64 as Into<_>>::into(f);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `f64`
[INFO] [stdout]   --> src/lets_be_rational.rs:44:23
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let k: c_double = k.into();
[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] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 44 -     let k: c_double = k.into();
[INFO] [stdout] 44 +     let k: c_double = k;
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 44 -     let k: c_double = k.into();
[INFO] [stdout] 44 +     let k: c_double = <f64 as Into<_>>::into(k);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `f64`
[INFO] [stdout]   --> src/lets_be_rational.rs:45:23
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let t: c_double = t.into();
[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] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 45 -     let t: c_double = t.into();
[INFO] [stdout] 45 +     let t: c_double = t;
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 45 -     let t: c_double = t.into();
[INFO] [stdout] 45 +     let t: c_double = <f64 as Into<_>>::into(t);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `f64`
[INFO] [stdout]   --> src/lets_be_rational.rs:46:23
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let q: c_double = q.into();
[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] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 46 -     let q: c_double = q.into();
[INFO] [stdout] 46 +     let q: c_double = q;
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 46 -     let q: c_double = q.into();
[INFO] [stdout] 46 +     let q: c_double = <f64 as Into<_>>::into(q);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `f64`
[INFO] [stdout]   --> src/lets_be_rational.rs:57:23
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let f: c_double = f.into();
[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] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 57 -     let f: c_double = f.into();
[INFO] [stdout] 57 +     let f: c_double = f;
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 57 -     let f: c_double = f.into();
[INFO] [stdout] 57 +     let f: c_double = <f64 as Into<_>>::into(f);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `f64`
[INFO] [stdout]   --> src/lets_be_rational.rs:58:23
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let k: c_double = k.into();
[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] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 58 -     let k: c_double = k.into();
[INFO] [stdout] 58 +     let k: c_double = k;
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 58 -     let k: c_double = k.into();
[INFO] [stdout] 58 +     let k: c_double = <f64 as Into<_>>::into(k);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `f64`
[INFO] [stdout]   --> src/lets_be_rational.rs:59:27
[INFO] [stdout]    |
[INFO] [stdout] 59 |     let sigma: c_double = sigma.into();
[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] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 59 -     let sigma: c_double = sigma.into();
[INFO] [stdout] 59 +     let sigma: c_double = sigma;
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 59 -     let sigma: c_double = sigma.into();
[INFO] [stdout] 59 +     let sigma: c_double = <f64 as Into<_>>::into(sigma);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `f64`
[INFO] [stdout]   --> src/lets_be_rational.rs:60:23
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let t: c_double = t.into();
[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] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 60 -     let t: c_double = t.into();
[INFO] [stdout] 60 +     let t: c_double = t;
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 60 -     let t: c_double = t.into();
[INFO] [stdout] 60 +     let t: c_double = <f64 as Into<_>>::into(t);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `f64`
[INFO] [stdout]   --> src/lets_be_rational.rs:61:23
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let q: c_double = q.into();
[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] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 61 -     let q: c_double = q.into();
[INFO] [stdout] 61 +     let q: c_double = q;
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 61 -     let q: c_double = q.into();
[INFO] [stdout] 61 +     let q: c_double = <f64 as Into<_>>::into(q);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `blackscholes` (lib) due to 10 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `blackscholes` (lib test) due to 10 previous errors
[INFO] running `Command { std: "docker" "inspect" "b4d8e6a100c0cfc03033f6271ccf64902778721993e7d2c6dac68ff1db2b0e3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4d8e6a100c0cfc03033f6271ccf64902778721993e7d2c6dac68ff1db2b0e3a", kill_on_drop: false }`
[INFO] [stdout] b4d8e6a100c0cfc03033f6271ccf64902778721993e7d2c6dac68ff1db2b0e3a
