[INFO] cloning repository https://github.com/rickmugridge/sicp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rickmugridge/sicp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frickmugridge%2Fsicp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frickmugridge%2Fsicp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a955f5e9f2a0159f17f1752911b0b5ea9e05828f
[INFO] testing rickmugridge/sicp against beta-2026-01-20 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frickmugridge%2Fsicp" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rickmugridge/sicp
[INFO] finished tweaking git repo https://github.com/rickmugridge/sicp
[INFO] tweaked toml for git repo https://github.com/rickmugridge/sicp written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rickmugridge/sicp on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rickmugridge/sicp 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" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aaf6a94254319f37faeeb1d153612695bcd59c80650c52140c971eb117e892e1
[INFO] running `Command { std: "docker" "start" "-a" "aaf6a94254319f37faeeb1d153612695bcd59c80650c52140c971eb117e892e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aaf6a94254319f37faeeb1d153612695bcd59c80650c52140c971eb117e892e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaf6a94254319f37faeeb1d153612695bcd59c80650c52140c971eb117e892e1", kill_on_drop: false }`
[INFO] [stdout] aaf6a94254319f37faeeb1d153612695bcd59c80650c52140c971eb117e892e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99654308e078cdd3e4d1bef906f2f088c35f7d9b24864d82be6a5f6418f74619
[INFO] running `Command { std: "docker" "start" "-a" "99654308e078cdd3e4d1bef906f2f088c35f7d9b24864d82be6a5f6418f74619", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.54
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[INFO] [stderr]    Compiling osmesa-sys v0.1.2
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[INFO] [stderr]    Compiling object v0.30.3
[INFO] [stderr]    Compiling ab_glyph_rasterizer v0.1.8
[INFO] [stderr]    Compiling rustc-demangle v0.1.22
[INFO] [stderr]    Compiling bytemuck v1.13.1
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling rusttype v0.9.3
[INFO] [stderr]    Compiling earcutr v0.2.0
[INFO] [stderr]    Compiling glow v0.7.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling glutin v0.28.0
[INFO] [stderr]    Compiling speedy2d v1.12.0
[INFO] [stderr]    Compiling sicp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::f64::consts::PI`
[INFO] [stdout]  --> src/sine.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::f64::consts::PI;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `say_hello` is never used
[INFO] [stdout]   --> src/main.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn say_hello(s: &str) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `change_string` is never used
[INFO] [stdout]   --> src/main.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn change_string(s: &mut String) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sqrt` is never used
[INFO] [stdout]  --> src/sqrt.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn sqrt(guess: f32, x: f32) -> f32 {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `good_enough` is never used
[INFO] [stdout]  --> src/sqrt.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn good_enough(guess: f32, x: f32) -> bool {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fib` is never used
[INFO] [stdout]  --> src/fibonacci.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn fib(n: usize) -> usize {
[INFO] [stdout]   |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fib_recurse` is never used
[INFO] [stdout]   --> src/fibonacci.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn fib_recurse(n: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fast_fib_recurse` is never used
[INFO] [stdout]   --> src/fibonacci.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn fast_fib_recurse(n: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fast_fib_recurse2` is never used
[INFO] [stdout]   --> src/fibonacci.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn fast_fib_recurse2(a: usize, b: usize, p: usize, q: usize, count: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `DENOMINATIONS` is never used
[INFO] [stdout]  --> src/counting_change.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | static DENOMINATIONS: [i32; 5] = [1, 5, 10, 25, 50];
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `counting_change` is never used
[INFO] [stdout]  --> src/counting_change.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn counting_change(amount: i32) -> usize {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cc` is never used
[INFO] [stdout]  --> src/counting_change.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn cc(amount: i32, coin_kinds: usize) -> usize {
[INFO] [stdout]   |    ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pascal_triangle` is never used
[INFO] [stdout]  --> src/pascal_triangle.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn pascal_triangle(n: usize) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `triangle` is never used
[INFO] [stdout]   --> src/pascal_triangle.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn triangle(n: usize) -> Vec<Vec<usize>> {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_row` is never used
[INFO] [stdout]   --> src/pascal_triangle.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn make_row(last_row: &Vec<usize>) -> Vec<usize> {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sine` is never used
[INFO] [stdout]  --> src/sine.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn sine(x: f64) -> f64 {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `poly` is never used
[INFO] [stdout]  --> src/sine.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn poly(x: f64) -> f64 {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rational` is never constructed
[INFO] [stdout]  --> src/rational.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Rational {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/rational.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Rational {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 12 |     fn new(numerator: isize, denominator: isize) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gcd` is never used
[INFO] [stdout]  --> src/gcd.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn gcd(a: isize, b: isize) -> isize {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `List` is never used
[INFO] [stdout]  --> src/cons_clone.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum List<T> where T: Clone + Copy {
[INFO] [stdout]   |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/cons_clone.rs:12:8
[INFO] [stdout]     |
[INFO] [stdout]  11 | impl<T> List<T> where T: Clone + Copy {
[INFO] [stdout]     | ------------------------------------- associated items in this implementation
[INFO] [stdout]  12 |     fn cons(t: T, tail: List<T>) -> Self {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout]  16 |     fn one(t: T) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  20 |     fn from_array(a: &[T]) -> Self {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  28 |     fn head(&self) -> Option<&T> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout]  35 |     fn tail(&self) -> Option<&List<T>> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout]  42 |     fn is_empty(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  49 |     fn map<U>(&self, f: &dyn Fn(T) -> U) -> List<U> where U: Clone + Copy {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  56 |     fn filter(&self, f: &dyn Fn(T) -> bool) -> Self {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  68 |     fn fold<U>(&self, base: U, op: &dyn Fn(T, U) -> U) -> U {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout]  76 |     fn nth(&self, i: isize) -> Option<&T> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  86 |     fn length(&self) -> isize {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  93 |     fn length_iter(&self) -> isize {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 103 |     fn reverse(&self) -> Self {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 107 |     fn reverse_builder(&self, accum: List<T>) -> Self {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cons` is never constructed
[INFO] [stdout]    --> src/cons_clone.rs:116:8
[INFO] [stdout]     |
[INFO] [stdout] 116 | struct Cons<T> where T: Clone + Copy {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/cons_clone.rs:122:8
[INFO] [stdout]     |
[INFO] [stdout] 121 | impl<T> Cons<T> where T: Clone + Copy {
[INFO] [stdout]     | ------------------------------------- associated function in this implementation
[INFO] [stdout] 122 |     fn new(car: T, cdr: List<T>) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `List` is never used
[INFO] [stdout]  --> src/cons.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | enum List<'a, T> {
[INFO] [stdout]   |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/cons.rs:11:8
[INFO] [stdout]     |
[INFO] [stdout]  10 | impl<'a, T> List<'a, T> {
[INFO] [stdout]     | ----------------------- associated items in this implementation
[INFO] [stdout]  11 |     fn cons(t: &'a T, tail: Self) -> Self {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout]  15 |     fn one(t: &'a T) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  19 |     fn from_array<'b: 'a>(a: &'b [T]) -> Self {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  27 |     fn head(&self) -> Option<&'a T> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout]  34 |     fn tail(&self) -> Option<&List<'a, T>> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout]  41 |     fn is_empty(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  56 |     fn filter(&self, f: &dyn Fn(&'a T) -> bool) -> Self {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  68 |     fn fold<U>(&self, base: U, op: &dyn Fn(&'a T, U) -> U) -> U {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout]  76 |     fn nth(&self, i: isize) -> Option<&'a T> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  86 |     fn length(&self) -> isize {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  93 |     fn length_iter(&self) -> isize {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 103 |     fn reverse(&self) -> Self {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 107 |     fn reverse_builder(&self, accum: List<'a, T>) -> Self {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cons` is never constructed
[INFO] [stdout]    --> src/cons.rs:116:8
[INFO] [stdout]     |
[INFO] [stdout] 116 | struct Cons<'a, T> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/cons.rs:122:8
[INFO] [stdout]     |
[INFO] [stdout] 121 | impl<'a, T> Cons<'a, T> {
[INFO] [stdout]     | ----------------------- associated function in this implementation
[INFO] [stdout] 122 |     fn new(car: &'a T, cdr: List<'a, T>) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BinaryTree` is never constructed
[INFO] [stdout]  --> src/binary_tree_immutable.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct BinaryTree<T> where T: Clone + Copy + PartialEq + PartialOrd {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TreeNode` is never constructed
[INFO] [stdout]   --> src/binary_tree_immutable.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct TreeNode<T> where T: Clone + Copy + PartialEq + PartialOrd {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/binary_tree_immutable.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | / impl<T> BinaryTree<T>
[INFO] [stdout] 18 | |     where T: Clone + Copy + PartialEq + PartialOrd + Ord {
[INFO] [stdout]    | |________________________________________________________- associated items in this implementation
[INFO] [stdout] 19 |       fn new(tree: Option<Rc<TreeNode<T>>>) -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |       fn count(&self) -> isize {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |       fn map<U: Copy>(&self, f: &dyn Fn(T) -> U) -> BinaryTree<U>
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |       fn contains(&self, x: T) -> bool {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |       fn immutably_add(&self, x: T) -> Self {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |       fn to_vec(&self) -> Vec<T> {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |       fn from_vec(elements: Vec<T>) -> Self {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |       fn union(&self, other: Self) -> Self {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 81 |       fn intersection(&self, other: &Self) -> Self {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/binary_tree_immutable.rs:108:8
[INFO] [stdout]     |
[INFO] [stdout] 107 | impl<T> TreeNode<T> where T: Clone + Copy + PartialEq + PartialOrd {
[INFO] [stdout]     | ------------------------------------------------------------------ associated items in this implementation
[INFO] [stdout] 108 |     fn new(value: T,
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |     fn empty(value: T) -> Self {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 118 |     fn count(&self) -> isize {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 132 |     fn map<U>(&self, f: &dyn Fn(T) -> U) -> TreeNode<U> where U: Clone + Copy + PartialEq + PartialOrd {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 138 |     fn contains(&self, x: T) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 154 |     fn to_vec(&self, elements: &mut Vec<T>) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 164 |     fn from_vec(elements: &[T]) -> Option<Rc<TreeNode<T>>> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `immutably_add` is never used
[INFO] [stdout]    --> src/binary_tree_immutable.rs:175:4
[INFO] [stdout]     |
[INFO] [stdout] 175 | fn immutably_add<T>(node: Rc<TreeNode<T>>, x: T) -> Rc<TreeNode<T>> where T: Clone + Copy + PartialEq + PartialOrd {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cloned` is never used
[INFO] [stdout]    --> src/binary_tree_immutable.rs:208:4
[INFO] [stdout]     |
[INFO] [stdout] 208 | fn cloned<T>(node: &Option<Rc<TreeNode<T>>>) -> Option<Rc<TreeNode<T>>> where T: Clone + Copy + PartialEq + PartialOrd {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MutableBinaryTree` is never constructed
[INFO] [stdout]  --> src/binary_tree_mutable.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct MutableBinaryTree<T> where T: Clone + Copy + PartialEq + PartialOrd {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MutableTreeNode` is never constructed
[INFO] [stdout]   --> src/binary_tree_mutable.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct MutableTreeNode<T> where T: Clone + Copy + PartialEq + PartialOrd {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/binary_tree_mutable.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl<T> MutableBinaryTree<T> where T: Clone + Copy + PartialEq + PartialOrd {
[INFO] [stdout]    | --------------------------------------------------------------------------- associated items in this implementation
[INFO] [stdout] 21 |     fn new(tree: Option<Box<MutableTreeNode<T>>>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     fn count(&self) -> isize {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     fn map<U: Copy>(&self, f: &dyn Fn(T) -> U) -> MutableBinaryTree<U> where U: Clone + Copy + PartialEq + PartialOrd {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     fn contains(&self, x: T) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     fn insert(&mut self, x: T) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     fn to_vec(&self) -> Vec<T> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 77 |     fn from_vec(elements: Vec<T>) -> Self {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 81 |     fn find_by_key<K>(&self, key: K) -> Option<T>
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Record` is never used
[INFO] [stdout]   --> src/binary_tree_mutable.rs:91:7
[INFO] [stdout]    |
[INFO] [stdout] 91 | trait Record<K> {
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/binary_tree_mutable.rs:96:8
[INFO] [stdout]     |
[INFO] [stdout]  95 | impl<T> MutableTreeNode<T> where T: Clone + Copy + PartialEq + PartialOrd {
[INFO] [stdout]     | ------------------------------------------------------------------------- associated items in this implementation
[INFO] [stdout]  96 |     fn new(value: T,
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     fn empty(value: T) -> Self {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 |     fn count(&self) -> isize {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 120 |     fn map<U>(&self, f: &dyn Fn(T) -> U) -> MutableTreeNode<U> where U: Clone + Copy + PartialEq + PartialOrd {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 126 |     fn contains(&self, x: T) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 142 |     fn to_vec(&self, elements: &mut Vec<T>) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 152 |     fn from_vec(elements: &[T]) -> Option<Box<MutableTreeNode<T>>> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 162 |     fn find_by_key<K>(&self, key: K) -> Option<T> where
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `a` is never used
[INFO] [stdout]  --> src/ackermann.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn a(x: isize, y: isize) -> isize {
[INFO] [stdout]   |    ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `f` is never used
[INFO] [stdout]  --> src/ex1_11.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn f(n: usize) -> usize {
[INFO] [stdout]   |    ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `f_iter` is never used
[INFO] [stdout]  --> src/ex1_11.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn f_iter(n: usize) -> usize {
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `exponential` is never used
[INFO] [stdout]  --> src/exponential.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn exponential(base: usize, n: usize) -> usize {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `exponential_iter` is never used
[INFO] [stdout]  --> src/exponential.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn exponential_iter(base: usize, n: usize) -> usize {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fast_exponentiation` is never used
[INFO] [stdout]   --> src/exponential.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn fast_exponentiation(base: usize, exponent: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fast_exponential_iter` is never used
[INFO] [stdout]   --> src/exponential.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn fast_exponential_iter(base_given: usize, exponent_given: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `multiply` is never used
[INFO] [stdout]   --> src/exponential.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn multiply(a: usize, b: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `multiply_iter` is never used
[INFO] [stdout]   --> src/exponential.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn multiply_iter(a: usize, b: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fast_multiply_iter` is never used
[INFO] [stdout]   --> src/exponential.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn fast_multiply_iter(a: usize, b: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `prime_naive` is never used
[INFO] [stdout]  --> src/prime.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn prime_naive(n: usize) -> bool {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_divisor` is never used
[INFO] [stdout]  --> src/prime.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn find_divisor(n: usize, test_divisor: usize) -> usize {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `prime_naive_iter` is never used
[INFO] [stdout]   --> src/prime.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn prime_naive_iter(n: usize) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `exp_mod` is never used
[INFO] [stdout]   --> src/prime.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn exp_mod(base: usize, exponent: usize, m: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fermat_test` is never used
[INFO] [stdout]   --> src/prime.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn fermat_test(n: usize) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fast_prime` is never used
[INFO] [stdout]   --> src/prime.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn fast_prime(n: usize, times: usize) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `time_search_for_primes` is never used
[INFO] [stdout]   --> src/prime.rs:54:4
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn time_search_for_primes(from: usize, f: &dyn Fn(usize) -> bool, algorithm_name: &str) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `search_for_primes` is never used
[INFO] [stdout]   --> src/prime.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn search_for_primes(from: usize, f: &dyn Fn(usize) -> bool) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sum` is never used
[INFO] [stdout]  --> src/sum_higher_order.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn sum<S, T, Map, Next>(map: &Map, from: S, to: S, next: &Next) -> T
[INFO] [stdout]   |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sum_iter` is never used
[INFO] [stdout]   --> src/sum_higher_order.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn sum_iter<S, T, Map, Next>(map: &Map, from: S, to: S, next: &Next) -> T
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sum_range` is never used
[INFO] [stdout]   --> src/sum_higher_order.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn sum_range<S, T, Map, Next>(map: &Map, range: Range<S>, next: &Next) -> T
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `integral` is never used
[INFO] [stdout]   --> src/sum_higher_order.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn integral<Map>(map: &Map, from: f64, to: f64, dx: f64) -> f64 where Map: Fn(f64) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `product_range` is never used
[INFO] [stdout]   --> src/sum_higher_order.rs:56:4
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn product_range<Map, Next>(map: &Map, range: Range<f64>, next: &Next) -> f64
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `product_range_mul_one` is never used
[INFO] [stdout]   --> src/sum_higher_order.rs:70:4
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn product_range_mul_one<S, T, Map, Next>(map: &Map, range: Range<S>, next: &Next) -> T
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `product_range_mul_one_recursive` is never used
[INFO] [stdout]   --> src/sum_higher_order.rs:86:4
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn product_range_mul_one_recursive<S, T, Map, Next>(map: &Map, range: Range<S>, next: &Next) -> T
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `accumulate` is never used
[INFO] [stdout]    --> src/sum_higher_order.rs:100:4
[INFO] [stdout]     |
[INFO] [stdout] 100 | fn accumulate<S, T, Map, Combine, Next>(initial: T, map: &Map, combine: &Combine, range: Range<S>, next: &Next) -> T
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `accumulate_iterator` is never used
[INFO] [stdout]    --> src/sum_higher_order.rs:116:4
[INFO] [stdout]     |
[INFO] [stdout] 116 | fn accumulate_iterator<T, Combine, Next>(initial: T, combine: &Combine, next: &mut Next) -> T
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `search` is never used
[INFO] [stdout]  --> src/roots_of_equation.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn search<Function>(f: &Function, negative_point: f64, positive_point: f64) -> f64
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `average` is never used
[INFO] [stdout]   --> src/roots_of_equation.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn average(x: f64, y: f64) -> f64 {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `close_enough` is never used
[INFO] [stdout]   --> src/roots_of_equation.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn close_enough(x: f64, y: f64) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `half_interval` is never used
[INFO] [stdout]   --> src/roots_of_equation.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn half_interval<Function>(f: &Function, a: f64, b: f64) -> f64
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fixed_point` is never used
[INFO] [stdout]  --> src/fixed_point.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn fixed_point<Function>(f: &Function, first_guess: f64) -> f64
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `try_fixed_point` is never used
[INFO] [stdout]  --> src/fixed_point.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn try_fixed_point<Function>(f: &Function, guess: f64) -> f64
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `close_enough` is never used
[INFO] [stdout]   --> src/fixed_point.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn close_enough(x: f64, y: f64) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sqrt` is never used
[INFO] [stdout]   --> src/fixed_point.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn sqrt(x:f64) -> f64 {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DX` is never used
[INFO] [stdout]  --> src/newton.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const DX: f64 = 0.00001;
[INFO] [stdout]   |       ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `derive` is never used
[INFO] [stdout]  --> src/newton.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn derive(g: &dyn Fn(f64) -> f64) -> Box<dyn Fn(f64) -> f64 + '_> {
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cube` is never used
[INFO] [stdout]  --> src/newton.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn cube(x: f64) -> f64 {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Algebra` is never used
[INFO] [stdout]  --> src/derivative.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum Algebra {
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new_sum`, `new_product`, `new_power`, and `derive` are never used
[INFO] [stdout]   --> src/derivative.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Algebra {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 13 |     fn new_sum(addend: Algebra, augend: Algebra) -> Algebra {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn new_product(multiplier: Algebra, multiplicand: Algebra) -> Algebra {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     fn new_power(base: Algebra, exponent: Algebra) -> Algebra {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     fn derive(&self, variable: &str) -> Algebra {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `x_max`, `y_max`, and `transform` are never used
[INFO] [stdout]   --> src/picture_language/frame.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Frame {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn x_max(&self) -> f32 {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn y_max(&self) -> f32 {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn transform(&self, v: Vector) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_window` is never used
[INFO] [stdout]   --> src/picture_language/window.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn run_window() {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MyWindowHandler` is never constructed
[INFO] [stdout]   --> src/picture_language/window.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct MyWindowHandler {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_vec2` is never used
[INFO] [stdout]   --> src/picture_language/window.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn to_vec2(vec: &Vector) -> Vec2 {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add` is never used
[INFO] [stdout]   --> src/picture_language/window_handler.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl PictureWindowHandler {
[INFO] [stdout]    | ------------------------- method in this implementation
[INFO] [stdout] 45 |     pub fn add(&mut self, shape: Shape) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `PolyLine` is never constructed
[INFO] [stdout]  --> src/picture_language/shape.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum Shape {
[INFO] [stdout]   |          ----- variant in this enum
[INFO] [stdout] 7 |     Line(Segment, f32, Color),
[INFO] [stdout] 8 |     PolyLine(Vec<(Vector, Vector)>, f32, Color),
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Shape` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_poly_line` is never used
[INFO] [stdout]   --> src/picture_language/shape.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Shape {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn new_poly_line(s: Vec<Segment>, thickness: f32, colour: Color) -> Shape {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `tessellate_to_right`, `tessellate_to_down`, `tessellate`, and `transform` are never used
[INFO] [stdout]   --> src/picture_language/painter.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Painter {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub fn tessellate_to_right(&self, count: usize) -> CompositePainter {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn tessellate_to_down(&self, count: usize) -> CompositePainter {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub fn tessellate(&self, _translate_initial: Vector, count: usize) -> CompositePainter {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     fn transform(&self, v: Vector) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `to_right`, `to_below`, and `transform` are never used
[INFO] [stdout]   --> src/picture_language/composite_painter.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl CompositePainter {
[INFO] [stdout]    | --------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn to_right(&self) -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn to_below(&self) -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     fn transform(&self, v: Vector) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Huffman` is never used
[INFO] [stdout]  --> src/huffman.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum Huffman {
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/huffman.rs:12:8
[INFO] [stdout]     |
[INFO] [stdout]  11 | impl Huffman {
[INFO] [stdout]     | ------------ associated items in this implementation
[INFO] [stdout]  12 |     fn new_leaf(ch: char, weight: usize) -> Self {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  16 |     fn new_non_leaf(left: Huffman, right: Huffman, chars: HashSet<char>, weight: usize) -> Self {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  21 |     fn contains(&self, ch: char) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  29 |     fn encode(&self, s: &str) -> String {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  35 |     fn encode_char(&self, ch: char) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  51 |     fn decode(&self, s: &str) -> String {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  64 |     fn decode_with<'a>(&self, bits: &'a [char]) -> (char, &'a [char]) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  83 |     fn make(leaves: Vec<(char, usize)>) -> Self {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout]  93 |     fn build(given_leaves: Vec<Huffman>) -> Self {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 108 |     fn build_from_pair(left: &Huffman, right: &Huffman) -> Huffman {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 115 |     fn weight(&self) -> usize {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 122 |     fn chars(&self) -> HashSet<char> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Complex` is never used
[INFO] [stdout]  --> src/complex.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum Complex {
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/complex.rs:8:8
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl Complex {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout]  8 |     fn new_rectangular(real: f32, imaginary: f32) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     fn new_polar(magnitude: f32, angle: f32) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     fn real(&self) -> f32 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn imaginary(&self) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     fn magnitude(&self) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     fn angle(&self) -> f32 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     fn plus(&self, other: &Self) -> Self {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     fn minus(&self, other: &Self) -> Self {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     fn times(&self, other: &Self) -> Self {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     fn divided_by(&self, other: &Self) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `magnitude` and `angle` are never used
[INFO] [stdout]  --> src/complex_trait.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | trait Complex {
[INFO] [stdout]   |       ------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 4 |     fn magnitude(&self) -> f32;
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 5 |     fn angle(&self) -> f32;
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RectangularComplex` is never constructed
[INFO] [stdout]  --> src/complex_trait.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct RectangularComplex {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PolarComplex` is never constructed
[INFO] [stdout]   --> src/complex_trait.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct PolarComplex {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add` is never used
[INFO] [stdout]   --> src/complex_trait.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 56 | impl dyn Complex {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] 57 |     pub fn add(&self, other: &Self) -> Box<dyn Complex> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]   --> src/complex_trait.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn add(a: &impl Complex, b: &impl Complex) -> Box<dyn Complex> {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Complex` is never used
[INFO] [stdout]  --> src/complex_messaging.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum Complex {
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Field` is never used
[INFO] [stdout]  --> src/complex_messaging.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum Field {
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/complex_messaging.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Complex {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 15 |     fn new_rectangular(real: f32, imaginary: f32) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     fn new_polar(magnitude: f32, angle: f32) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn dispatch(&self, field: Field) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     fn real(&self) -> f32 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     fn imaginary(&self) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     fn magnitude(&self) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     fn angle(&self) -> f32 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     fn plus(&self, other: &Self) -> Self {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     fn minus(&self, other: &Self) -> Self {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |     fn times(&self, other: &Self) -> Self {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |     fn divided_by(&self, other: &Self) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 31s
[INFO] running `Command { std: "docker" "inspect" "99654308e078cdd3e4d1bef906f2f088c35f7d9b24864d82be6a5f6418f74619", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99654308e078cdd3e4d1bef906f2f088c35f7d9b24864d82be6a5f6418f74619", kill_on_drop: false }`
[INFO] [stdout] 99654308e078cdd3e4d1bef906f2f088c35f7d9b24864d82be6a5f6418f74619
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75f3bc248a8e54747378adf72d9a4ec87ab02e9ddbb9698fab2f69763f9d5fb6
[INFO] running `Command { std: "docker" "start" "-a" "75f3bc248a8e54747378adf72d9a4ec87ab02e9ddbb9698fab2f69763f9d5fb6", kill_on_drop: false }`
[INFO] [stderr]    Compiling sicp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `say_hello` is never used
[INFO] [stdout]   --> src/main.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn say_hello(s: &str) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `change_string` is never used
[INFO] [stdout]   --> src/main.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn change_string(s: &mut String) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `immutably_add` is never used
[INFO] [stdout]   --> src/binary_tree_immutable.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | / impl<T> BinaryTree<T>
[INFO] [stdout] 18 | |     where T: Clone + Copy + PartialEq + PartialOrd + Ord {
[INFO] [stdout]    | |________________________________________________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 51 |       fn immutably_add(&self, x: T) -> Self {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `empty` is never used
[INFO] [stdout]    --> src/binary_tree_immutable.rs:114:8
[INFO] [stdout]     |
[INFO] [stdout] 107 | impl<T> TreeNode<T> where T: Clone + Copy + PartialEq + PartialOrd {
[INFO] [stdout]     | ------------------------------------------------------------------ associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 114 |     fn empty(value: T) -> Self {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `immutably_add` is never used
[INFO] [stdout]    --> src/binary_tree_immutable.rs:175:4
[INFO] [stdout]     |
[INFO] [stdout] 175 | fn immutably_add<T>(node: Rc<TreeNode<T>>, x: T) -> Rc<TreeNode<T>> where T: Clone + Copy + PartialEq + PartialOrd {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cloned` is never used
[INFO] [stdout]    --> src/binary_tree_immutable.rs:208:4
[INFO] [stdout]     |
[INFO] [stdout] 208 | fn cloned<T>(node: &Option<Rc<TreeNode<T>>>) -> Option<Rc<TreeNode<T>>> where T: Clone + Copy + PartialEq + PartialOrd {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `empty` is never used
[INFO] [stdout]    --> src/binary_tree_mutable.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout]  95 | impl<T> MutableTreeNode<T> where T: Clone + Copy + PartialEq + PartialOrd {
[INFO] [stdout]     | ------------------------------------------------------------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 102 |     fn empty(value: T) -> Self {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `x_max`, `y_max`, and `transform` are never used
[INFO] [stdout]   --> src/picture_language/frame.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Frame {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn x_max(&self) -> f32 {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn y_max(&self) -> f32 {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn transform(&self, v: Vector) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_window` is never used
[INFO] [stdout]   --> src/picture_language/window.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn run_window() {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MyWindowHandler` is never constructed
[INFO] [stdout]   --> src/picture_language/window.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct MyWindowHandler {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_vec2` is never used
[INFO] [stdout]   --> src/picture_language/window.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn to_vec2(vec: &Vector) -> Vec2 {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add` is never used
[INFO] [stdout]   --> src/picture_language/window_handler.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl PictureWindowHandler {
[INFO] [stdout]    | ------------------------- method in this implementation
[INFO] [stdout] 45 |     pub fn add(&mut self, shape: Shape) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `PolyLine` is never constructed
[INFO] [stdout]  --> src/picture_language/shape.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum Shape {
[INFO] [stdout]   |          ----- variant in this enum
[INFO] [stdout] 7 |     Line(Segment, f32, Color),
[INFO] [stdout] 8 |     PolyLine(Vec<(Vector, Vector)>, f32, Color),
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Shape` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_poly_line` is never used
[INFO] [stdout]   --> src/picture_language/shape.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Shape {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn new_poly_line(s: Vec<Segment>, thickness: f32, colour: Color) -> Shape {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `tessellate_to_right`, `tessellate_to_down`, `tessellate`, and `transform` are never used
[INFO] [stdout]   --> src/picture_language/painter.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Painter {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub fn tessellate_to_right(&self, count: usize) -> CompositePainter {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn tessellate_to_down(&self, count: usize) -> CompositePainter {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub fn tessellate(&self, _translate_initial: Vector, count: usize) -> CompositePainter {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     fn transform(&self, v: Vector) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `to_right`, `to_below`, and `transform` are never used
[INFO] [stdout]   --> src/picture_language/composite_painter.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl CompositePainter {
[INFO] [stdout]    | --------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn to_right(&self) -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn to_below(&self) -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     fn transform(&self, v: Vector) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `minus`, `times`, and `divided_by` are never used
[INFO] [stdout]   --> src/complex.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl Complex {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 49 |     fn minus(&self, other: &Self) -> Self {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     fn times(&self, other: &Self) -> Self {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     fn divided_by(&self, other: &Self) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add` is never used
[INFO] [stdout]   --> src/complex_trait.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 56 | impl dyn Complex {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] 57 |     pub fn add(&self, other: &Self) -> Box<dyn Complex> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `minus`, `times`, and `divided_by` are never used
[INFO] [stdout]   --> src/complex_messaging.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Complex {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 66 |     fn minus(&self, other: &Self) -> Self {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |     fn times(&self, other: &Self) -> Self {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |     fn divided_by(&self, other: &Self) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/binary_tree_mutable.rs:248:45
[INFO] [stdout]     |
[INFO] [stdout] 248 |                 Self::new(self.id, self.name.clone())
[INFO] [stdout]     |                                             ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.30s
[INFO] running `Command { std: "docker" "inspect" "75f3bc248a8e54747378adf72d9a4ec87ab02e9ddbb9698fab2f69763f9d5fb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75f3bc248a8e54747378adf72d9a4ec87ab02e9ddbb9698fab2f69763f9d5fb6", kill_on_drop: false }`
[INFO] [stdout] 75f3bc248a8e54747378adf72d9a4ec87ab02e9ddbb9698fab2f69763f9d5fb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 46464e5d90d034599e473278f5a31055b3630aebd7cb668896db032dfa1606e2
[INFO] running `Command { std: "docker" "start" "-a" "46464e5d90d034599e473278f5a31055b3630aebd7cb668896db032dfa1606e2", kill_on_drop: false }`
[INFO] [stderr] warning: function `say_hello` is never used
[INFO] [stderr]   --> src/main.rs:44:4
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn say_hello(s: &str) {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `change_string` is never used
[INFO] [stderr]   --> src/main.rs:48:4
[INFO] [stderr]    |
[INFO] [stderr] 48 | fn change_string(s: &mut String) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `immutably_add` is never used
[INFO] [stderr]   --> src/binary_tree_immutable.rs:51:8
[INFO] [stderr]    |
[INFO] [stderr] 17 | / impl<T> BinaryTree<T>
[INFO] [stderr] 18 | |     where T: Clone + Copy + PartialEq + PartialOrd + Ord {
[INFO] [stderr]    | |________________________________________________________- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 51 |       fn immutably_add(&self, x: T) -> Self {
[INFO] [stderr]    |          ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `empty` is never used
[INFO] [stderr]    --> src/binary_tree_immutable.rs:114:8
[INFO] [stderr]     |
[INFO] [stderr] 107 | impl<T> TreeNode<T> where T: Clone + Copy + PartialEq + PartialOrd {
[INFO] [stderr]     | ------------------------------------------------------------------ associated function in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 114 |     fn empty(value: T) -> Self {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `immutably_add` is never used
[INFO] [stderr]    --> src/binary_tree_immutable.rs:175:4
[INFO] [stderr]     |
[INFO] [stderr] 175 | fn immutably_add<T>(node: Rc<TreeNode<T>>, x: T) -> Rc<TreeNode<T>> where T: Clone + Copy + PartialEq + PartialOrd {
[INFO] [stderr]     |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `cloned` is never used
[INFO] [stderr]    --> src/binary_tree_immutable.rs:208:4
[INFO] [stderr]     |
[INFO] [stderr] 208 | fn cloned<T>(node: &Option<Rc<TreeNode<T>>>) -> Option<Rc<TreeNode<T>>> where T: Clone + Copy + PartialEq + PartialOrd {
[INFO] [stderr]     |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `empty` is never used
[INFO] [stderr]    --> src/binary_tree_mutable.rs:102:8
[INFO] [stderr]     |
[INFO] [stderr]  95 | impl<T> MutableTreeNode<T> where T: Clone + Copy + PartialEq + PartialOrd {
[INFO] [stderr]     | ------------------------------------------------------------------------- associated function in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 102 |     fn empty(value: T) -> Self {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `x_max`, `y_max`, and `transform` are never used
[INFO] [stderr]   --> src/picture_language/frame.rs:34:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | impl Frame {
[INFO] [stderr]    | ---------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 34 |     pub fn x_max(&self) -> f32 {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 38 |     pub fn y_max(&self) -> f32 {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 42 |     pub fn transform(&self, v: Vector) -> Self {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `run_window` is never used
[INFO] [stderr]   --> src/picture_language/window.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub fn run_window() {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `MyWindowHandler` is never constructed
[INFO] [stderr]   --> src/picture_language/window.rs:20:8
[INFO] [stderr]    |
[INFO] [stderr] 20 | struct MyWindowHandler {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `to_vec2` is never used
[INFO] [stderr]   --> src/picture_language/window.rs:27:4
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn to_vec2(vec: &Vector) -> Vec2 {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `add` is never used
[INFO] [stderr]   --> src/picture_language/window_handler.rs:45:12
[INFO] [stderr]    |
[INFO] [stderr] 44 | impl PictureWindowHandler {
[INFO] [stderr]    | ------------------------- method in this implementation
[INFO] [stderr] 45 |     pub fn add(&mut self, shape: Shape) {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `PolyLine` is never constructed
[INFO] [stderr]  --> src/picture_language/shape.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub enum Shape {
[INFO] [stderr]   |          ----- variant in this enum
[INFO] [stderr] 7 |     Line(Segment, f32, Color),
[INFO] [stderr] 8 |     PolyLine(Vec<(Vector, Vector)>, f32, Color),
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Shape` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new_poly_line` is never used
[INFO] [stderr]   --> src/picture_language/shape.rs:17:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | impl Shape {
[INFO] [stderr]    | ---------- associated function in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 17 |     pub fn new_poly_line(s: Vec<Segment>, thickness: f32, colour: Color) -> Shape {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `tessellate_to_right`, `tessellate_to_down`, `tessellate`, and `transform` are never used
[INFO] [stderr]   --> src/picture_language/painter.rs:45:12
[INFO] [stderr]    |
[INFO] [stderr] 14 | impl Painter {
[INFO] [stderr]    | ------------ methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 45 |     pub fn tessellate_to_right(&self, count: usize) -> CompositePainter {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 49 |     pub fn tessellate_to_down(&self, count: usize) -> CompositePainter {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 53 |     pub fn tessellate(&self, _translate_initial: Vector, count: usize) -> CompositePainter {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 64 |     fn transform(&self, v: Vector) -> Self {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `to_right`, `to_below`, and `transform` are never used
[INFO] [stderr]   --> src/picture_language/composite_painter.rs:34:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | impl CompositePainter {
[INFO] [stderr]    | --------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 34 |     pub fn to_right(&self) -> Self {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 41 |     pub fn to_below(&self) -> Self {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 48 |     fn transform(&self, v: Vector) -> Self {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `minus`, `times`, and `divided_by` are never used
[INFO] [stderr]   --> src/complex.rs:49:8
[INFO] [stderr]    |
[INFO] [stderr]  7 | impl Complex {
[INFO] [stderr]    | ------------ methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 49 |     fn minus(&self, other: &Self) -> Self {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 54 |     fn times(&self, other: &Self) -> Self {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 59 |     fn divided_by(&self, other: &Self) -> Self {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `add` is never used
[INFO] [stderr]   --> src/complex_trait.rs:57:12
[INFO] [stderr]    |
[INFO] [stderr] 56 | impl dyn Complex {
[INFO] [stderr]    | ---------------- method in this implementation
[INFO] [stderr] 57 |     pub fn add(&self, other: &Self) -> Box<dyn Complex> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `minus`, `times`, and `divided_by` are never used
[INFO] [stderr]   --> src/complex_messaging.rs:66:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | impl Complex {
[INFO] [stderr]    | ------------ methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 66 |     fn minus(&self, other: &Self) -> Self {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 71 |     fn times(&self, other: &Self) -> Self {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 76 |     fn divided_by(&self, other: &Self) -> Self {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]    --> src/binary_tree_mutable.rs:248:45
[INFO] [stderr]     |
[INFO] [stderr] 248 |                 Self::new(self.id, self.name.clone())
[INFO] [stderr]     |                                             ^^^^^^^^ help: remove this redundant call
[INFO] [stderr]     |
[INFO] [stderr]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stderr]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `sicp` (bin "sicp" test) generated 20 warnings (run `cargo fix --bin "sicp" -p sicp --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/sicp-e682e0312eba23fc)
[INFO] [stdout] 
[INFO] [stdout] running 127 tests
[INFO] [stdout] test ackermann::tests::a1 ... ok
[INFO] [stdout] test ackermann::tests::a2 ... ok
[INFO] [stdout] test ackermann::tests::egs ... ok
[INFO] [stdout] test binary_tree_immutable::tests::from_vec ... ok
[INFO] [stdout] test binary_tree_immutable::tests::from_vec_empty ... ok
[INFO] [stdout] test binary_tree_immutable::tests::intersection ... ok
[INFO] [stdout] test binary_tree_immutable::tests::map ... ok
[INFO] [stdout] test binary_tree_mutable::tests::count ... ok
[INFO] [stdout] test binary_tree_immutable::tests::union ... ok
[INFO] [stdout] test binary_tree_mutable::tests::from_vec_empty ... ok
[INFO] [stdout] test binary_tree_mutable::tests::contains ... ok
[INFO] [stdout] test binary_tree_mutable::tests::from_vec ... ok
[INFO] [stdout] test binary_tree_mutable::tests::insert ... ok
[INFO] [stdout] test binary_tree_mutable::tests::info_retrieval ... ok
[INFO] [stdout] test complex::tests::plus ... ok
[INFO] [stdout] test complex::tests::polar ... ok
[INFO] [stdout] test complex::tests::rectangular ... ok
[INFO] [stdout] test complex_messaging::tests::plus ... ok
[INFO] [stdout] test complex_messaging::tests::polar ... ok
[INFO] [stdout] test complex_trait::tests::plus ... ok
[INFO] [stdout] test complex_messaging::tests::rectangular ... ok
[INFO] [stdout] test complex_trait::tests::plus2 ... ok
[INFO] [stdout] test cons::tests::filter ... ok
[INFO] [stdout] test cons::tests::fold ... ok
[INFO] [stdout] test cons::tests::from_array ... ok
[INFO] [stdout] test cons::tests::head ... ok
[INFO] [stdout] test ackermann::tests::a0 ... ok
[INFO] [stdout] test cons::tests::is_empty ... ok
[INFO] [stdout] test cons::tests::length ... ok
[INFO] [stdout] test cons::tests::reverse ... ok
[INFO] [stdout] test cons::tests::tail ... ok
[INFO] [stdout] test cons_clone::tests::filter ... ok
[INFO] [stdout] test cons_clone::tests::fold ... ok
[INFO] [stdout] test binary_tree_immutable::tests::contains ... ok
[INFO] [stdout] test cons_clone::tests::head ... ok
[INFO] [stdout] test cons_clone::tests::is_empty ... ok
[INFO] [stdout] test cons_clone::tests::length ... ok
[INFO] [stdout] test cons_clone::tests::length_iter ... ok
[INFO] [stdout] test cons_clone::tests::map ... ok
[INFO] [stdout] test cons_clone::tests::nth ... ok
[INFO] [stdout] test cons_clone::tests::reverse ... ok
[INFO] [stdout] test cons_clone::tests::tail ... ok
[INFO] [stdout] test counting_change::tests::fib0 ... ok
[INFO] [stdout] test counting_change::tests::fib1 ... ok
[INFO] [stdout] test counting_change::tests::fib10 ... ok
[INFO] [stdout] test counting_change::tests::fib11 ... ok
[INFO] [stdout] test counting_change::tests::fib5 ... ok
[INFO] [stdout] test counting_change::tests::fib50 ... ok
[INFO] [stdout] test derivative::tests::constant_derivative ... ok
[INFO] [stdout] test derivative::tests::mixed ... ok
[INFO] [stdout] test derivative::tests::power ... ok
[INFO] [stdout] test derivative::tests::power2 ... ok
[INFO] [stdout] test complex_trait::tests::rectangular ... ok
[INFO] [stdout] test binary_tree_mutable::tests::map ... ok
[INFO] [stdout] test complex_trait::tests::polar ... ok
[INFO] [stdout] test derivative::tests::product ... ok
[INFO] [stdout] test derivative::tests::sum ... ok
[INFO] [stdout] test derivative::tests::variable_differs ... ok
[INFO] [stdout] test ex1_11::tests::eg ... ok
[INFO] [stdout] test derivative::tests::variable_same ... ok
[INFO] [stdout] test ex1_11::tests::eg_iter ... ok
[INFO] [stdout] test exponential::tests::exponential_ ... ok
[INFO] [stdout] test exponential::tests::exponential_iter_ ... ok
[INFO] [stdout] test exponential::tests::fast_exponential_ ... ok
[INFO] [stdout] test exponential::tests::fast_exponential_iter_ ... ok
[INFO] [stdout] test exponential::tests::fast_multiply_iter_ ... ok
[INFO] [stdout] test exponential::tests::multiply_ ... ok
[INFO] [stdout] test exponential::tests::multiply_iter_ ... ok
[INFO] [stdout] test fibonacci::tests::fast_fib_recurse_ ... ok
[INFO] [stdout] test fibonacci::tests::fib0 ... ok
[INFO] [stdout] test fibonacci::tests::fib0_recurse ... ok
[INFO] [stdout] test fixed_point::tests::fixed_point_cos ... ok
[INFO] [stdout] test binary_tree_immutable::tests::count ... ok
[INFO] [stdout] test gcd::tests::gcd1 ... ok
[INFO] [stdout] test fixed_point::tests::fixed_point_sqrt ... ok
[INFO] [stdout] test cons::tests::length_iter ... ok
[INFO] [stdout] test cons::tests::nth ... ok
[INFO] [stdout] test gcd::tests::remainder ... ok
[INFO] [stdout] test huffman::tests::non_leaf ... ok
[INFO] [stdout] test newton::tests::derivative_of_cube ... ok
[INFO] [stdout] test pascal_triangle::tests::triangle2 ... ok
[INFO] [stdout] test cons_clone::tests::from_array ... ok
[INFO] [stdout] test pascal_triangle::tests::triangle3 ... ok
[INFO] [stdout] test pascal_triangle::tests::triangle4 ... ok
[INFO] [stdout] test pascal_triangle::tests::triangle5 ... ok
[INFO] [stdout] test picture_language::frame::tests::map_from_origin ... ok
[INFO] [stdout] test picture_language::frame::tests::map_off_origin ... ok
[INFO] [stdout] test picture_language::segment::tests::add ... ok
[INFO] [stdout] test picture_language::vector::tests::add ... ok
[INFO] [stdout] test picture_language::vector::tests::scale ... ok
[INFO] [stdout] test prime::tests::ex_1_21 ... ok
[INFO] [stdout] test picture_language::vector::tests::subtract ... ok
[INFO] [stdout] test prime::tests::prime_true ... ok
[INFO] [stdout] test huffman::tests::leaf ... ok
[INFO] [stdout] test huffman::tests::make_encode_decode ... ok
[INFO] [stdout] test pascal_triangle::tests::triangle1 ... ok
[INFO] [stdout] test prime::tests::ex_1_22 ... ok
[INFO] [stdout] test gcd::tests::gcd0 ... ok
[INFO] [stdout] test rational::tests::subtract ... ok
[INFO] [stdout] test rational::tests::add ... ok
[INFO] [stdout] test prime::tests::prime_false ... ok
[INFO] [stdout] test roots_of_equation::tests::half_interval_poly ... ok
[INFO] [stdout] test rational::tests::make_gcd ... ok
[INFO] [stdout] test sine::tests::half ... ok
[INFO] [stdout] test sine::tests::pi ... ok
[INFO] [stdout] test sine::tests::one ... ok
[INFO] [stdout] test rational::tests::make ... ok
[INFO] [stdout] test roots_of_equation::tests::average_ ... ok
[INFO] [stdout] test sine::tests::third ... ok
[INFO] [stdout] test sine::tests::zero ... ok
[INFO] [stdout] test sine::tests::two ... ok
[INFO] [stdout] test sine::tests::small_enough ... ok
[INFO] [stdout] test sqrt::tests::sqrt_1 ... ok
[INFO] [stdout] test sqrt::tests::sqrt_2 ... ok
[INFO] [stdout] test sqrt::tests::sqrt_9 ... ok
[INFO] [stdout] test sum_higher_order::tests::accumulate_product_of_integers ... ok
[INFO] [stdout] test sum_higher_order::tests::accumulate_sum_of_integers ... ok
[INFO] [stdout] test sum_higher_order::tests::pi_with_product ... ok
[INFO] [stdout] test sum_higher_order::tests::product_of_integers ... ok
[INFO] [stdout] test sum_higher_order::tests::integral_ ... ok
[INFO] [stdout] test sum_higher_order::tests::pi_sum ... ok
[INFO] [stdout] test roots_of_equation::tests::half_interval_sine ... ok
[INFO] [stdout] test sum_higher_order::tests::factorial_with_product ... ok
[INFO] [stdout] test sum_higher_order::tests::sum_of_cubes ... ok
[INFO] [stdout] test sum_higher_order::tests::sum_of_integers ... ok
[INFO] [stdout] test tests::t ... ok
[INFO] [stdout] test fixed_point::tests::fixed_point_trig_eqn ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- fixed_point::tests::fixed_point_trig_eqn stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'fixed_point::tests::fixed_point_trig_eqn' (93) panicked at src/fixed_point.rs:35:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 1.2586974741689443
[INFO] [stdout]  right: 1.2586974741689445
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x60320fe6ea42 - std::backtrace_rs::backtrace::libunwind::trace::hf0bd46b30bc61685
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x60320fe6ea42 - std::backtrace_rs::backtrace::trace_unsynchronized::h1d1fbb72ad89d7b7
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x60320fe6ea42 - std::sys::backtrace::_print_fmt::he38b6f68ca847f47
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x60320fe6ea42 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hb7e843cde1bc81a3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x60320fe8097a - core::fmt::rt::Argument::fmt::hc1dd77ac64f2688c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x60320fe8097a - core::fmt::write::h952c506e2dbe9cff
[INFO] [stdout]    6:     0x60320fe3d9c6 - std::io::default_write_fmt::hd23bd8145c03a23a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x60320fe3d9c6 - std::io::Write::write_fmt::hdd3314a2bd8a34bd
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x60320fe4df29 - std::sys::backtrace::BacktraceLock::print::h1079b82381c2c252
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x60320fe4df29 - std::panicking::default_hook::{{closure}}::h85cb76b8462c00f2
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x60320fe4ddc1 - std::panicking::default_hook::h0134d220cc034c02
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x60320fdd32ee - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb2e68dca3970e3ca
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x60320fdd32ee - test::test_main_with_exit_callback::{{closure}}::ha7ec2063a2565ec3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x60320fe4e1a2 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::haebee478d0f56cf4
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x60320fe4e1a2 - std::panicking::panic_with_hook::h8119b6db1fef734f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x60320fe4dfe8 - std::panicking::panic_handler::{{closure}}::h24f5360b91482c0e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x60320fe49579 - std::sys::backtrace::__rust_end_short_backtrace::h4e60c5cbd1bd0108
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x60320fe325bd - __rustc[e4c6931bd8050421]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x60320fe8823c - core::panicking::panic_fmt::hb1614a3ff6840071
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x60320fe880f3 - core::panicking::assert_failed_inner::h5aabe811ef142622
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x60320fd9a8ae - core::panicking::assert_failed::h1b152d96c833a4c3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x60320fda2649 - sicp::fixed_point::tests::fixed_point_trig_eqn::h73a082e215e44e54
[INFO] [stdout]                                at /opt/rustwide/workdir/src/fixed_point.rs:35:9
[INFO] [stdout]   22:     0x60320fda2667 - sicp::fixed_point::tests::fixed_point_trig_eqn::{{closure}}::h78842916bd8e340c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/fixed_point.rs:33:30
[INFO] [stdout]   23:     0x60320fd8a686 - core::ops::function::FnOnce::call_once::ha3f17ec923a2108c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x60320fdd30eb - core::ops::function::FnOnce::call_once::hefaf63600cd43d2a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x60320fdd30eb - test::__rust_begin_short_backtrace::he30322a73a0e9ea6
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x60320fde6aba - test::run_test_in_process::{{closure}}::hdea3ab8d0243ef36
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x60320fde6aba - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h66d192f42498ffce
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x60320fde6aba - std::panicking::catch_unwind::do_call::h822e18e8d3a6bb65
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x60320fde6aba - std::panicking::catch_unwind::h54b1de7ceab578bf
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x60320fde6aba - std::panic::catch_unwind::h60c29b7a9d0246b1
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x60320fde6aba - test::run_test_in_process::h6099b5f871379b13
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x60320fde6aba - test::run_test::{{closure}}::h926ce0a38281a4c8
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x60320fdc0f14 - test::run_test::{{closure}}::h508de21a9afc7140
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x60320fdc0f14 - std::sys::backtrace::__rust_begin_short_backtrace::h6e2f5c39ca00735a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x60320fdc47d2 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::h133e44f0e5802c14
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x60320fdc47d2 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4718c1285283955c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x60320fdc47d2 - std::panicking::catch_unwind::do_call::h0bba3937b4892238
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x60320fdc47d2 - std::panicking::catch_unwind::h5b31cab5fb8c5d7f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x60320fdc47d2 - std::panic::catch_unwind::hb2fa05d52ed0124e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x60320fdc47d2 - std::thread::lifecycle::spawn_unchecked::{{closure}}::hf401cf5ff501bd29
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x60320fdc47d2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h160022e94ce3b0bb
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x60320fe4480f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf234e0d1d1d272ba
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   43:     0x60320fe4480f - std::sys::thread::unix::Thread::new::thread_start::h106a295241840d3b
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stdout]   44:     0x77f43a46aaa4 - <unknown>
[INFO] [stdout]   45:     0x77f43a4f7a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     fixed_point::tests::fixed_point_trig_eqn
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 126 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin sicp`
[INFO] running `Command { std: "docker" "inspect" "46464e5d90d034599e473278f5a31055b3630aebd7cb668896db032dfa1606e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46464e5d90d034599e473278f5a31055b3630aebd7cb668896db032dfa1606e2", kill_on_drop: false }`
[INFO] [stdout] 46464e5d90d034599e473278f5a31055b3630aebd7cb668896db032dfa1606e2
