[INFO] fetching crate mexprp 0.3.0...
[INFO] checking mexprp-0.3.0 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate mexprp 0.3.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate mexprp 0.3.0 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate mexprp 0.3.0
[INFO] finished tweaking crates.io crate mexprp 0.3.0
[INFO] tweaked toml for crates.io crate mexprp 0.3.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bf44b14a266cd2ff2244438427ddc41ae5e32611428a1a2528740a444f5cebc5
[INFO] running `"docker" "start" "-a" "bf44b14a266cd2ff2244438427ddc41ae5e32611428a1a2528740a444f5cebc5"`
[INFO] [stderr]    Compiling rug v1.6.0
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.1.14
[INFO] [stderr]     Checking mexprp v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]  --> src/expr.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::rc::Rc;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `op::*`
[INFO] [stderr]  --> src/expr.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use op::*;
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `parse::*`
[INFO] [stderr]  --> src/expr.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use parse::*;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `answer::*`
[INFO] [stderr]   --> src/expr.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use answer::*;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/term.rs:21:15
[INFO] [stderr]    |
[INFO] [stderr] 21 |     Operation(Rc<Operate<N>>),
[INFO] [stderr]    |                  ^^^^^^^^^^ help: use `dyn`: `dyn Operate<N>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/term.rs:337:18
[INFO] [stderr]     |
[INFO] [stderr] 337 |                 let oper: Rc<Operate<N>> = match op {
[INFO] [stderr]     |                              ^^^^^^^^^^ help: use `dyn`: `dyn Operate<N>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/context.rs:97:32
[INFO] [stderr]    |
[INFO] [stderr] 97 |     pub funcs: HashMap<String, Rc<Func<N>>>,
[INFO] [stderr]    |                                   ^^^^^^^ help: use `dyn`: `dyn Func<N>`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rug`
[INFO] [stderr]  --> src/num/rugcomplex.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rug;
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]  --> src/expr.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::rc::Rc;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `op::*`
[INFO] [stderr]  --> src/expr.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use op::*;
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `parse::*`
[INFO] [stderr]  --> src/expr.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use parse::*;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `answer::*`
[INFO] [stderr]   --> src/expr.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use answer::*;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/term.rs:21:15
[INFO] [stderr]    |
[INFO] [stderr] 21 |     Operation(Rc<Operate<N>>),
[INFO] [stderr]    |                  ^^^^^^^^^^ help: use `dyn`: `dyn Operate<N>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/term.rs:337:18
[INFO] [stderr]     |
[INFO] [stderr] 337 |                 let oper: Rc<Operate<N>> = match op {
[INFO] [stderr]     |                              ^^^^^^^^^^ help: use `dyn`: `dyn Operate<N>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/context.rs:97:32
[INFO] [stderr]    |
[INFO] [stderr] 97 |     pub funcs: HashMap<String, Rc<Func<N>>>,
[INFO] [stderr]    |                                   ^^^^^^^ help: use `dyn`: `dyn Func<N>`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rug`
[INFO] [stderr]  --> src/num/rugcomplex.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rug;
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ComplexRugRat`
[INFO] [stderr]  --> src/tests.rs:2:25
[INFO] [stderr]   |
[INFO] [stderr] 2 | use num::{ComplexFloat, ComplexRugRat};
[INFO] [stderr]   |                         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/opers.rs:215:17
[INFO] [stderr]     |
[INFO] [stderr] 215 |     fn eval(&self, ctx: &Context<N>) -> Calculation<N> {
[INFO] [stderr]     |                    ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]   --> src/num/mod.rs:73:19
[INFO] [stderr]    |
[INFO] [stderr] 73 |     fn tryord(&self, other: &Self, ctx: &Context<Self>) -> Result<Ordering, MathError> {
[INFO] [stderr]    |                      ^^^^^ help: consider prefixing with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/mod.rs:73:33
[INFO] [stderr]    |
[INFO] [stderr] 73 |     fn tryord(&self, other: &Self, ctx: &Context<Self>) -> Result<Ordering, MathError> {
[INFO] [stderr]    |                                    ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]   --> src/num/mod.rs:79:16
[INFO] [stderr]    |
[INFO] [stderr] 79 |     fn add(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                   ^^^^^ help: consider prefixing with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/mod.rs:79:30
[INFO] [stderr]    |
[INFO] [stderr] 79 |     fn add(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                                 ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]   --> src/num/mod.rs:85:16
[INFO] [stderr]    |
[INFO] [stderr] 85 |     fn sub(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                   ^^^^^ help: consider prefixing with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/mod.rs:85:30
[INFO] [stderr]    |
[INFO] [stderr] 85 |     fn sub(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                                 ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]   --> src/num/mod.rs:91:16
[INFO] [stderr]    |
[INFO] [stderr] 91 |     fn mul(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                   ^^^^^ help: consider prefixing with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/mod.rs:91:30
[INFO] [stderr]    |
[INFO] [stderr] 91 |     fn mul(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                                 ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]   --> src/num/mod.rs:97:16
[INFO] [stderr]    |
[INFO] [stderr] 97 |     fn div(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                   ^^^^^ help: consider prefixing with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/mod.rs:97:30
[INFO] [stderr]    |
[INFO] [stderr] 97 |     fn div(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                                 ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]    --> src/num/mod.rs:103:16
[INFO] [stderr]     |
[INFO] [stderr] 103 |     fn pow(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]     |                   ^^^^^ help: consider prefixing with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/num/mod.rs:103:30
[INFO] [stderr]     |
[INFO] [stderr] 103 |     fn pow(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]     |                                 ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/num/mod.rs:109:17
[INFO] [stderr]     |
[INFO] [stderr] 109 |     fn sqrt(&self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]     |                    ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]    --> src/num/mod.rs:115:16
[INFO] [stderr]     |
[INFO] [stderr] 115 |     fn nrt(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]     |                   ^^^^^ help: consider prefixing with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/num/mod.rs:115:30
[INFO] [stderr]     |
[INFO] [stderr] 115 |     fn nrt(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]     |                                 ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/num/mod.rs:121:16
[INFO] [stderr]     |
[INFO] [stderr] 121 |     fn abs(&self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]     |                   ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/num/mod.rs:127:16
[INFO] [stderr]     |
[INFO] [stderr] 127 |     fn sin(&self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]     |                   ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/num/mod.rs:133:16
[INFO] [stderr]     |
[INFO] [stderr] 133 |     fn cos(&self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]     |                   ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/num/mod.rs:139:16
[INFO] [stderr]     |
[INFO] [stderr] 139 |     fn tan(&self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]     |                   ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/num/mod.rs:145:17
[INFO] [stderr]     |
[INFO] [stderr] 145 |     fn asin(&self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]     |                    ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/num/mod.rs:151:17
[INFO] [stderr]     |
[INFO] [stderr] 151 |     fn acos(&self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]     |                    ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/num/mod.rs:157:17
[INFO] [stderr]     |
[INFO] [stderr] 157 |     fn atan(&self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]     |                    ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]    --> src/num/mod.rs:163:18
[INFO] [stderr]     |
[INFO] [stderr] 163 |     fn atan2(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]     |                     ^^^^^ help: consider prefixing with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/num/mod.rs:163:32
[INFO] [stderr]     |
[INFO] [stderr] 163 |     fn atan2(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]     |                                   ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/num/mod.rs:169:18
[INFO] [stderr]     |
[INFO] [stderr] 169 |     fn floor(&self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]     |                     ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/num/mod.rs:175:17
[INFO] [stderr]     |
[INFO] [stderr] 175 |     fn ceil(&self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]     |                    ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/num/mod.rs:181:18
[INFO] [stderr]     |
[INFO] [stderr] 181 |     fn round(&self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]     |                     ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]    --> src/num/mod.rs:187:16
[INFO] [stderr]     |
[INFO] [stderr] 187 |     fn log(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]     |                   ^^^^^ help: consider prefixing with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/num/mod.rs:187:30
[INFO] [stderr]     |
[INFO] [stderr] 187 |     fn log(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]     |                                 ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/complexrugrat.rs:22:22
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn from_f64(t: f64, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                         ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/complexrugrat.rs:35:42
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn from_f64_complex((r, i): (f64, f64), ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                                             ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/complexrugrat.rs:54:33
[INFO] [stderr]    |
[INFO] [stderr] 54 |     fn tryord(&self, other: &Self, ctx: &Context<Self>) -> Result<Ordering, MathError> {
[INFO] [stderr]    |                                    ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/complexrugrat.rs:62:30
[INFO] [stderr]    |
[INFO] [stderr] 62 |     fn add(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                                 ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/complexrugrat.rs:69:30
[INFO] [stderr]    |
[INFO] [stderr] 69 |     fn sub(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                                 ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/complexrugrat.rs:76:30
[INFO] [stderr]    |
[INFO] [stderr] 76 |     fn mul(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                                 ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/rugrat.rs:11:22
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn from_f64(t: f64, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                         ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/rugrat.rs:19:43
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn from_f64_complex((r, _i): (f64, f64), ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                                              ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/rugrat.rs:31:33
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn tryord(&self, other: &Self, ctx: &Context<Self>) -> Result<Ordering, MathError> {
[INFO] [stderr]    |                                    ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/rugrat.rs:39:30
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn add(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                                 ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/rugrat.rs:45:30
[INFO] [stderr]    |
[INFO] [stderr] 45 |     fn sub(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                                 ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/rugrat.rs:51:30
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn mul(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                                 ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/rugrat.rs:57:30
[INFO] [stderr]    |
[INFO] [stderr] 57 |     fn div(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                                 ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/rugcomplex.rs:25:33
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn tryord(&self, other: &Self, ctx: &Context<Self>) -> Result<Ordering, MathError> {
[INFO] [stderr]    |                                    ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/complexfloat.rs:20:22
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn from_f64(t: f64, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                         ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/complexfloat.rs:24:42
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn from_f64_complex((r, i): (f64, f64), ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                                             ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/complexfloat.rs:32:33
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn tryord(&self, other: &Self, ctx: &Context<Self>) -> Result<Ordering, MathError> {
[INFO] [stderr]    |                                    ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/complexfloat.rs:40:30
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn add(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                                 ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/complexfloat.rs:47:30
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn sub(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                                 ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/complexfloat.rs:54:30
[INFO] [stderr]    |
[INFO] [stderr] 54 |     fn mul(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                                 ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/float64.rs:11:22
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn from_f64(t: f64, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                         ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/float64.rs:15:43
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn from_f64_complex((r, _i): (f64, f64), ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                                              ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/float64.rs:49:30
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn add(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                                 ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/float64.rs:53:30
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn sub(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                                 ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/float64.rs:57:30
[INFO] [stderr]    |
[INFO] [stderr] 57 |     fn mul(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                                 ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/float64.rs:61:30
[INFO] [stderr]    |
[INFO] [stderr] 61 |     fn div(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                                 ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/float64.rs:69:30
[INFO] [stderr]    |
[INFO] [stderr] 69 |     fn pow(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                                 ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/float64.rs:83:16
[INFO] [stderr]    |
[INFO] [stderr] 83 |     fn abs(&self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                   ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/float64.rs:87:16
[INFO] [stderr]    |
[INFO] [stderr] 87 |     fn sin(&self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                   ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/float64.rs:91:16
[INFO] [stderr]    |
[INFO] [stderr] 91 |     fn cos(&self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                   ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/float64.rs:95:16
[INFO] [stderr]    |
[INFO] [stderr] 95 |     fn tan(&self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                   ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/float64.rs:99:17
[INFO] [stderr]    |
[INFO] [stderr] 99 |     fn asin(&self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                    ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/num/float64.rs:103:17
[INFO] [stderr]     |
[INFO] [stderr] 103 |     fn acos(&self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]     |                    ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/num/float64.rs:107:17
[INFO] [stderr]     |
[INFO] [stderr] 107 |     fn atan(&self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]     |                    ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/num/float64.rs:111:32
[INFO] [stderr]     |
[INFO] [stderr] 111 |     fn atan2(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]     |                                   ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/num/float64.rs:115:18
[INFO] [stderr]     |
[INFO] [stderr] 115 |     fn floor(&self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]     |                     ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/num/float64.rs:119:17
[INFO] [stderr]     |
[INFO] [stderr] 119 |     fn ceil(&self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]     |                    ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/num/float64.rs:123:18
[INFO] [stderr]     |
[INFO] [stderr] 123 |     fn round(&self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]     |                     ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/num/float64.rs:127:30
[INFO] [stderr]     |
[INFO] [stderr] 127 |     fn log(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]     |                                 ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/opers.rs:215:17
[INFO] [stderr]     |
[INFO] [stderr] 215 |     fn eval(&self, ctx: &Context<N>) -> Calculation<N> {
[INFO] [stderr]     |                    ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]   --> src/num/mod.rs:73:19
[INFO] [stderr]    |
[INFO] [stderr] 73 |     fn tryord(&self, other: &Self, ctx: &Context<Self>) -> Result<Ordering, MathError> {
[INFO] [stderr]    |                      ^^^^^ help: consider prefixing with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/mod.rs:73:33
[INFO] [stderr]    |
[INFO] [stderr] 73 |     fn tryord(&self, other: &Self, ctx: &Context<Self>) -> Result<Ordering, MathError> {
[INFO] [stderr]    |                                    ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]   --> src/num/mod.rs:79:16
[INFO] [stderr]    |
[INFO] [stderr] 79 |     fn add(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                   ^^^^^ help: consider prefixing with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/mod.rs:79:30
[INFO] [stderr]    |
[INFO] [stderr] 79 |     fn add(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                                 ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]   --> src/num/mod.rs:85:16
[INFO] [stderr]    |
[INFO] [stderr] 85 |     fn sub(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                   ^^^^^ help: consider prefixing with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/mod.rs:85:30
[INFO] [stderr]    |
[INFO] [stderr] 85 |     fn sub(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                                 ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]   --> src/num/mod.rs:91:16
[INFO] [stderr]    |
[INFO] [stderr] 91 |     fn mul(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                   ^^^^^ help: consider prefixing with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/mod.rs:91:30
[INFO] [stderr]    |
[INFO] [stderr] 91 |     fn mul(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                                 ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]   --> src/num/mod.rs:97:16
[INFO] [stderr]    |
[INFO] [stderr] 97 |     fn div(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                   ^^^^^ help: consider prefixing with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/mod.rs:97:30
[INFO] [stderr]    |
[INFO] [stderr] 97 |     fn div(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                                 ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]    --> src/num/mod.rs:103:16
[INFO] [stderr]     |
[INFO] [stderr] 103 |     fn pow(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]     |                   ^^^^^ help: consider prefixing with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/num/mod.rs:103:30
[INFO] [stderr]     |
[INFO] [stderr] 103 |     fn pow(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]     |                                 ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/num/mod.rs:109:17
[INFO] [stderr]     |
[INFO] [stderr] 109 |     fn sqrt(&self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]     |                    ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]    --> src/num/mod.rs:115:16
[INFO] [stderr]     |
[INFO] [stderr] 115 |     fn nrt(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]     |                   ^^^^^ help: consider prefixing with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/num/mod.rs:115:30
[INFO] [stderr]     |
[INFO] [stderr] 115 |     fn nrt(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]     |                                 ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/num/mod.rs:121:16
[INFO] [stderr]     |
[INFO] [stderr] 121 |     fn abs(&self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]     |                   ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/num/mod.rs:127:16
[INFO] [stderr]     |
[INFO] [stderr] 127 |     fn sin(&self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]     |                   ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/num/mod.rs:133:16
[INFO] [stderr]     |
[INFO] [stderr] 133 |     fn cos(&self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]     |                   ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/num/mod.rs:139:16
[INFO] [stderr]     |
[INFO] [stderr] 139 |     fn tan(&self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]     |                   ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/num/mod.rs:145:17
[INFO] [stderr]     |
[INFO] [stderr] 145 |     fn asin(&self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]     |                    ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/num/mod.rs:151:17
[INFO] [stderr]     |
[INFO] [stderr] 151 |     fn acos(&self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]     |                    ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/num/mod.rs:157:17
[INFO] [stderr]     |
[INFO] [stderr] 157 |     fn atan(&self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]     |                    ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]    --> src/num/mod.rs:163:18
[INFO] [stderr]     |
[INFO] [stderr] 163 |     fn atan2(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]     |                     ^^^^^ help: consider prefixing with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/num/mod.rs:163:32
[INFO] [stderr]     |
[INFO] [stderr] 163 |     fn atan2(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]     |                                   ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/num/mod.rs:169:18
[INFO] [stderr]     |
[INFO] [stderr] 169 |     fn floor(&self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]     |                     ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/num/mod.rs:175:17
[INFO] [stderr]     |
[INFO] [stderr] 175 |     fn ceil(&self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]     |                    ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/num/mod.rs:181:18
[INFO] [stderr]     |
[INFO] [stderr] 181 |     fn round(&self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]     |                     ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]    --> src/num/mod.rs:187:16
[INFO] [stderr]     |
[INFO] [stderr] 187 |     fn log(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]     |                   ^^^^^ help: consider prefixing with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/num/mod.rs:187:30
[INFO] [stderr]     |
[INFO] [stderr] 187 |     fn log(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]     |                                 ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/complexrugrat.rs:22:22
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn from_f64(t: f64, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                         ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/complexrugrat.rs:35:42
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn from_f64_complex((r, i): (f64, f64), ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                                             ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/complexrugrat.rs:54:33
[INFO] [stderr]    |
[INFO] [stderr] 54 |     fn tryord(&self, other: &Self, ctx: &Context<Self>) -> Result<Ordering, MathError> {
[INFO] [stderr]    |                                    ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/complexrugrat.rs:62:30
[INFO] [stderr]    |
[INFO] [stderr] 62 |     fn add(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                                 ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/complexrugrat.rs:69:30
[INFO] [stderr]    |
[INFO] [stderr] 69 |     fn sub(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                                 ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/complexrugrat.rs:76:30
[INFO] [stderr]    |
[INFO] [stderr] 76 |     fn mul(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                                 ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/rugrat.rs:11:22
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn from_f64(t: f64, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                         ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/rugrat.rs:19:43
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn from_f64_complex((r, _i): (f64, f64), ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                                              ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/rugrat.rs:31:33
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn tryord(&self, other: &Self, ctx: &Context<Self>) -> Result<Ordering, MathError> {
[INFO] [stderr]    |                                    ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/rugrat.rs:39:30
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn add(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                                 ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/rugrat.rs:45:30
[INFO] [stderr]    |
[INFO] [stderr] 45 |     fn sub(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                                 ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/rugrat.rs:51:30
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn mul(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                                 ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/rugrat.rs:57:30
[INFO] [stderr]    |
[INFO] [stderr] 57 |     fn div(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                                 ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/rugcomplex.rs:25:33
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn tryord(&self, other: &Self, ctx: &Context<Self>) -> Result<Ordering, MathError> {
[INFO] [stderr]    |                                    ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/complexfloat.rs:20:22
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn from_f64(t: f64, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                         ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/complexfloat.rs:24:42
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn from_f64_complex((r, i): (f64, f64), ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                                             ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/complexfloat.rs:32:33
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn tryord(&self, other: &Self, ctx: &Context<Self>) -> Result<Ordering, MathError> {
[INFO] [stderr]    |                                    ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/complexfloat.rs:40:30
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn add(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                                 ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/complexfloat.rs:47:30
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn sub(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                                 ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/complexfloat.rs:54:30
[INFO] [stderr]    |
[INFO] [stderr] 54 |     fn mul(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                                 ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/float64.rs:11:22
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn from_f64(t: f64, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                         ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/float64.rs:15:43
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn from_f64_complex((r, _i): (f64, f64), ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                                              ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/float64.rs:49:30
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn add(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                                 ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/float64.rs:53:30
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn sub(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                                 ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/float64.rs:57:30
[INFO] [stderr]    |
[INFO] [stderr] 57 |     fn mul(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                                 ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/float64.rs:61:30
[INFO] [stderr]    |
[INFO] [stderr] 61 |     fn div(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                                 ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/float64.rs:69:30
[INFO] [stderr]    |
[INFO] [stderr] 69 |     fn pow(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                                 ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/float64.rs:83:16
[INFO] [stderr]    |
[INFO] [stderr] 83 |     fn abs(&self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                   ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/float64.rs:87:16
[INFO] [stderr]    |
[INFO] [stderr] 87 |     fn sin(&self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                   ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/float64.rs:91:16
[INFO] [stderr]    |
[INFO] [stderr] 91 |     fn cos(&self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                   ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/float64.rs:95:16
[INFO] [stderr]    |
[INFO] [stderr] 95 |     fn tan(&self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                   ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/num/float64.rs:99:17
[INFO] [stderr]    |
[INFO] [stderr] 99 |     fn asin(&self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]    |                    ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/num/float64.rs:103:17
[INFO] [stderr]     |
[INFO] [stderr] 103 |     fn acos(&self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]     |                    ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/num/float64.rs:107:17
[INFO] [stderr]     |
[INFO] [stderr] 107 |     fn atan(&self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]     |                    ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/num/float64.rs:111:32
[INFO] [stderr]     |
[INFO] [stderr] 111 |     fn atan2(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]     |                                   ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/num/float64.rs:115:18
[INFO] [stderr]     |
[INFO] [stderr] 115 |     fn floor(&self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]     |                     ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/num/float64.rs:119:17
[INFO] [stderr]     |
[INFO] [stderr] 119 |     fn ceil(&self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]     |                    ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/num/float64.rs:123:18
[INFO] [stderr]     |
[INFO] [stderr] 123 |     fn round(&self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]     |                     ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/num/float64.rs:127:30
[INFO] [stderr]     |
[INFO] [stderr] 127 |     fn log(&self, other: &Self, ctx: &Context<Self>) -> Calculation<Self> {
[INFO] [stderr]     |                                 ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 23s
[INFO] running `"docker" "inspect" "bf44b14a266cd2ff2244438427ddc41ae5e32611428a1a2528740a444f5cebc5"`
[INFO] running `"docker" "rm" "-f" "bf44b14a266cd2ff2244438427ddc41ae5e32611428a1a2528740a444f5cebc5"`
[INFO] [stdout] bf44b14a266cd2ff2244438427ddc41ae5e32611428a1a2528740a444f5cebc5