[INFO] cloning repository https://github.com/chenx6/make-a-lisp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chenx6/make-a-lisp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchenx6%2Fmake-a-lisp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchenx6%2Fmake-a-lisp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d6f92bff29bdaf1a4536811c5779d9ee625d020e
[INFO] checking chenx6/make-a-lisp against beta-2021-10-15 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchenx6%2Fmake-a-lisp" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chenx6/make-a-lisp on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chenx6/make-a-lisp
[INFO] finished tweaking git repo https://github.com/chenx6/make-a-lisp
[INFO] tweaked toml for git repo https://github.com/chenx6/make-a-lisp written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/chenx6/make-a-lisp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 004a800ff544401450389525c40f6a7a93238368c5c3bc21286ba8bb047900a8
[INFO] running `Command { std: "docker" "start" "-a" "004a800ff544401450389525c40f6a7a93238368c5c3bc21286ba8bb047900a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "004a800ff544401450389525c40f6a7a93238368c5c3bc21286ba8bb047900a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "004a800ff544401450389525c40f6a7a93238368c5c3bc21286ba8bb047900a8", kill_on_drop: false }`
[INFO] [stdout] 004a800ff544401450389525c40f6a7a93238368c5c3bc21286ba8bb047900a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 90130e45c860c13bce476b50eeec74aad9862b1f8e5ac384706dc7fd592e76ce
[INFO] running `Command { std: "docker" "start" "-a" "90130e45c860c13bce476b50eeec74aad9862b1f8e5ac384706dc7fd592e76ce", kill_on_drop: false }`
[INFO] [stderr]     Checking mal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/printer.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/printer.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `READ`
[INFO] [stdout]  --> src/step0_repl.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn READ() {}
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `EVAL`
[INFO] [stdout]  --> src/step0_repl.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn EVAL() {}
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `PRINT`
[INFO] [stdout]  --> src/step0_repl.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn PRINT() {}
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `rep`
[INFO] [stdout]  --> src/step0_repl.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn rep() {}
[INFO] [stdout]   |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `READ` should have a snake case name
[INFO] [stdout]  --> src/step0_repl.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn READ() {}
[INFO] [stdout]   |    ^^^^ help: convert the identifier to snake case: `read`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `EVAL` should have a snake case name
[INFO] [stdout]  --> src/step0_repl.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn EVAL() {}
[INFO] [stdout]   |    ^^^^ help: convert the identifier to snake case: `eval`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `PRINT` should have a snake case name
[INFO] [stdout]  --> src/step0_repl.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn PRINT() {}
[INFO] [stdout]   |    ^^^^^ help: convert the identifier to snake case: `print`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/printer.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::env`
[INFO] [stdout]  --> src/types.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::env::Env;
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            unresolved import
[INFO] [stdout]   |            help: a similar path exists: `std::env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/printer.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/printer.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/printer.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/printer.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/printer.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/printer.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/printer.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/printer.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/printer.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/printer.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/printer.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/printer.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sub`
[INFO] [stdout]   --> src/core.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn sub(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mul`
[INFO] [stdout]   --> src/core.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn mul(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `div`
[INFO] [stdout]   --> src/core.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn div(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `equal`
[INFO] [stdout]   --> src/core.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn equal(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `less`
[INFO] [stdout]   --> src/core.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn less(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `le`
[INFO] [stdout]   --> src/core.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn le(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `great`
[INFO] [stdout]   --> src/core.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn great(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ge`
[INFO] [stdout]   --> src/core.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn ge(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `prn`
[INFO] [stdout]   --> src/core.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn prn(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `list`
[INFO] [stdout]   --> src/core.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub fn list(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `list_q`
[INFO] [stdout]   --> src/core.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn list_q(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `empty_q`
[INFO] [stdout]   --> src/core.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub fn empty_q(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `count_q`
[INFO] [stdout]   --> src/core.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub fn count_q(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_string`
[INFO] [stdout]   --> src/core.rs:99:8
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub fn read_string(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `slurp`
[INFO] [stdout]    --> src/core.rs:113:8
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub fn slurp(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `atom`
[INFO] [stdout]    --> src/core.rs:136:8
[INFO] [stdout]     |
[INFO] [stdout] 136 | pub fn atom(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `atom_q`
[INFO] [stdout]    --> src/core.rs:143:8
[INFO] [stdout]     |
[INFO] [stdout] 143 | pub fn atom_q(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `deref`
[INFO] [stdout]    --> src/core.rs:153:8
[INFO] [stdout]     |
[INFO] [stdout] 153 | pub fn deref(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `reset_b`
[INFO] [stdout]    --> src/core.rs:163:8
[INFO] [stdout]     |
[INFO] [stdout] 163 | pub fn reset_b(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cons`
[INFO] [stdout]    --> src/core.rs:176:8
[INFO] [stdout]     |
[INFO] [stdout] 176 | pub fn cons(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `concat`
[INFO] [stdout]    --> src/core.rs:190:8
[INFO] [stdout]     |
[INFO] [stdout] 190 | pub fn concat(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `nth`
[INFO] [stdout]    --> src/core.rs:201:8
[INFO] [stdout]     |
[INFO] [stdout] 201 | pub fn nth(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `first`
[INFO] [stdout]    --> src/core.rs:214:8
[INFO] [stdout]     |
[INFO] [stdout] 214 | pub fn first(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `init`
[INFO] [stdout]   --> src/env.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn init() -> Env {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `bind`
[INFO] [stdout]   --> src/env.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn bind(outer: Option<Env>, binds: MalType, exprs: MalType) -> Env {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `outer`
[INFO] [stdout]    --> src/env.rs:103:12
[INFO] [stdout]     |
[INFO] [stdout] 103 |     pub fn outer(&self) -> Option<Env> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Float`
[INFO] [stdout]   --> src/types.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Float(f64),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Vector`
[INFO] [stdout]   --> src/types.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Vector(Rc<Vec<MalType>>, Rc<MalType>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Hash`
[INFO] [stdout]   --> src/types.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Hash(Rc<HashMap<String, MalType>>, Rc<MalType>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `MalFunc`
[INFO] [stdout]   --> src/types.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     MalFunc {
[INFO] [stdout] 20 | |         ast: Rc<MalType>,
[INFO] [stdout] 21 | |         env: Env,
[INFO] [stdout] 22 | |         params: Rc<MalType>,
[INFO] [stdout] 23 | |         is_macro: bool,
[INFO] [stdout] 24 | |         meta: Rc<MalType>,
[INFO] [stdout] 25 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Atom`
[INFO] [stdout]   --> src/types.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Atom(Rc<RefCell<MalType>>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ErrValue`
[INFO] [stdout]   --> src/types.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     ErrValue(MalType),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `OsErr`
[INFO] [stdout]   --> src/types.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     OsErr(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `error_string`
[INFO] [stdout]   --> src/types.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn error_string(s: String) -> MalErr {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `atom`
[INFO] [stdout]   --> src/types.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn atom(v: MalType) -> MalType {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `func`
[INFO] [stdout]   --> src/types.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn func(f: fn(args: MalArgs) -> MalRet) -> MalType {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mal` due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: function `READ` should have a snake case name
[INFO] [stdout]   --> src/step3_env.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn READ() -> Option<MalType> {
[INFO] [stdout]    |    ^^^^ help: convert the identifier to snake case: `read`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `EVAL` should have a snake case name
[INFO] [stdout]   --> src/step3_env.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn EVAL(val: &MalType, env: &mut env::Env) -> Option<MalType> {
[INFO] [stdout]    |    ^^^^ help: convert the identifier to snake case: `eval`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `PRINT` should have a snake case name
[INFO] [stdout]   --> src/step3_env.rs:88:4
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn PRINT(val: &MalType) {
[INFO] [stdout]    |    ^^^^^ help: convert the identifier to snake case: `print`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `int_operation`
[INFO] [stdout]  --> src/core.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn int_operation(args: MalArgs, op: fn(&i32, &i32) -> MalType) -> MalRet {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add`
[INFO] [stdout]   --> src/core.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn add(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sub`
[INFO] [stdout]   --> src/core.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn sub(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mul`
[INFO] [stdout]   --> src/core.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn mul(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `div`
[INFO] [stdout]   --> src/core.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn div(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `equal`
[INFO] [stdout]   --> src/core.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn equal(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `less`
[INFO] [stdout]   --> src/core.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn less(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `le`
[INFO] [stdout]   --> src/core.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn le(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `great`
[INFO] [stdout]   --> src/core.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn great(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ge`
[INFO] [stdout]   --> src/core.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn ge(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `prn`
[INFO] [stdout]   --> src/core.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn prn(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `list`
[INFO] [stdout]   --> src/core.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub fn list(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `list_q`
[INFO] [stdout]   --> src/core.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn list_q(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `empty_q`
[INFO] [stdout]   --> src/core.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub fn empty_q(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `count_q`
[INFO] [stdout]   --> src/core.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub fn count_q(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_string`
[INFO] [stdout]   --> src/core.rs:99:8
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub fn read_string(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `slurp`
[INFO] [stdout]    --> src/core.rs:113:8
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub fn slurp(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `atom`
[INFO] [stdout]    --> src/core.rs:136:8
[INFO] [stdout]     |
[INFO] [stdout] 136 | pub fn atom(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `atom_q`
[INFO] [stdout]    --> src/core.rs:143:8
[INFO] [stdout]     |
[INFO] [stdout] 143 | pub fn atom_q(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `deref`
[INFO] [stdout]    --> src/core.rs:153:8
[INFO] [stdout]     |
[INFO] [stdout] 153 | pub fn deref(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `reset_b`
[INFO] [stdout]    --> src/core.rs:163:8
[INFO] [stdout]     |
[INFO] [stdout] 163 | pub fn reset_b(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cons`
[INFO] [stdout]    --> src/core.rs:176:8
[INFO] [stdout]     |
[INFO] [stdout] 176 | pub fn cons(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `concat`
[INFO] [stdout]    --> src/core.rs:190:8
[INFO] [stdout]     |
[INFO] [stdout] 190 | pub fn concat(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `nth`
[INFO] [stdout]    --> src/core.rs:201:8
[INFO] [stdout]     |
[INFO] [stdout] 201 | pub fn nth(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `first`
[INFO] [stdout]    --> src/core.rs:214:8
[INFO] [stdout]     |
[INFO] [stdout] 214 | pub fn first(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `init`
[INFO] [stdout]   --> src/env.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn init() -> Env {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/env.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn new(outer: Option<Env>) -> Env {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `bind`
[INFO] [stdout]   --> src/env.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn bind(outer: Option<Env>, binds: MalType, exprs: MalType) -> Env {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `find`
[INFO] [stdout]   --> src/env.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn find(&self, key: &MalType) -> Option<Env> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> src/env.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn get(&self, key: &MalType) -> Option<MalType> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set`
[INFO] [stdout]   --> src/env.rs:94:12
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn set(&mut self, key: MalType, value: MalType) -> Option<MalType> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `outer`
[INFO] [stdout]    --> src/env.rs:103:12
[INFO] [stdout]     |
[INFO] [stdout] 103 |     pub fn outer(&self) -> Option<Env> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pr_str`
[INFO] [stdout]  --> src/printer.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn pr_str(val: &MalType) {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fmt_str`
[INFO] [stdout]  --> src/printer.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn fmt_str(val: &MalType) -> String {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fmt_seq`
[INFO] [stdout]   --> src/printer.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn fmt_seq(seq: &Vec<MalType>) -> String {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Reader`
[INFO] [stdout]   --> src/reader.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Reader {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/reader.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn new(tokens: Vec<String>) -> Reader {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next`
[INFO] [stdout]   --> src/reader.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn next(&mut self) -> Option<String> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek`
[INFO] [stdout]   --> src/reader.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn peek(&self) -> Option<String> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_str`
[INFO] [stdout]   --> src/reader.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub fn read_str(input: &String) -> Option<MalType> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `tokenize`
[INFO] [stdout]   --> src/reader.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn tokenize(input: &String) -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_shorthand`
[INFO] [stdout]   --> src/reader.rs:61:4
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn read_shorthand(reader: &mut Reader, sym_name: &str) -> Option<MalType> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_form`
[INFO] [stdout]   --> src/reader.rs:70:4
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn read_form(reader: &mut Reader) -> Option<MalType> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_list`
[INFO] [stdout]   --> src/reader.rs:90:4
[INFO] [stdout]    |
[INFO] [stdout] 90 | fn read_list(reader: &mut Reader, end: &str) -> Option<MalType> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_atom`
[INFO] [stdout]    --> src/reader.rs:106:4
[INFO] [stdout]     |
[INFO] [stdout] 106 | fn read_atom(reader: &mut Reader) -> Option<MalType> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_string`
[INFO] [stdout]    --> src/reader.rs:125:4
[INFO] [stdout]     |
[INFO] [stdout] 125 | fn read_string(reader: &mut Reader) -> Option<MalType> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Nil`
[INFO] [stdout]  --> src/types.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Nil,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Bool`
[INFO] [stdout]   --> src/types.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Bool(bool),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Int`
[INFO] [stdout]   --> src/types.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Int(i32),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Float`
[INFO] [stdout]   --> src/types.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Float(f64),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Str`
[INFO] [stdout]   --> src/types.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Str(String),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Sym`
[INFO] [stdout]   --> src/types.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Sym(String),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `List`
[INFO] [stdout]   --> src/types.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     List(Rc<Vec<MalType>>, Rc<MalType>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Vector`
[INFO] [stdout]   --> src/types.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Vector(Rc<Vec<MalType>>, Rc<MalType>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Hash`
[INFO] [stdout]   --> src/types.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Hash(Rc<HashMap<String, MalType>>, Rc<MalType>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Func`
[INFO] [stdout]   --> src/types.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Func(fn(MalArgs) -> MalRet, Rc<MalType>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `MalFunc`
[INFO] [stdout]   --> src/types.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     MalFunc {
[INFO] [stdout] 20 | |         ast: Rc<MalType>,
[INFO] [stdout] 21 | |         env: Env,
[INFO] [stdout] 22 | |         params: Rc<MalType>,
[INFO] [stdout] 23 | |         is_macro: bool,
[INFO] [stdout] 24 | |         meta: Rc<MalType>,
[INFO] [stdout] 25 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Atom`
[INFO] [stdout]   --> src/types.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Atom(Rc<RefCell<MalType>>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ErrValue`
[INFO] [stdout]   --> src/types.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     ErrValue(MalType),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ErrorMsg`
[INFO] [stdout]   --> src/types.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     ErrorMsg(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `OsErr`
[INFO] [stdout]   --> src/types.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     OsErr(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `error_msg`
[INFO] [stdout]   --> src/types.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub fn error_msg(s: &str) -> MalErr {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `error_string`
[INFO] [stdout]   --> src/types.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn error_string(s: String) -> MalErr {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `list`
[INFO] [stdout]   --> src/types.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn list(v: Vec<MalType>) -> MalType {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `atom`
[INFO] [stdout]   --> src/types.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn atom(v: MalType) -> MalType {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `func`
[INFO] [stdout]   --> src/types.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn func(f: fn(args: MalArgs) -> MalRet) -> MalType {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 40 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `nth`
[INFO] [stdout]    --> src/core.rs:201:8
[INFO] [stdout]     |
[INFO] [stdout] 201 | pub fn nth(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `int_operation`
[INFO] [stdout]  --> src/core.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn int_operation(args: MalArgs, op: fn(&i32, &i32) -> MalType) -> MalRet {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `int_operation`
[INFO] [stdout]  --> src/core.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn int_operation(args: MalArgs, op: fn(&i32, &i32) -> MalType) -> MalRet {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `first`
[INFO] [stdout]    --> src/core.rs:214:8
[INFO] [stdout]     |
[INFO] [stdout] 214 | pub fn first(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add`
[INFO] [stdout]   --> src/core.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn add(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sub`
[INFO] [stdout]   --> src/core.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn sub(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mul`
[INFO] [stdout]   --> src/core.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn mul(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `div`
[INFO] [stdout]   --> src/core.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn div(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `equal`
[INFO] [stdout]   --> src/core.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn equal(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `less`
[INFO] [stdout]   --> src/core.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn less(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `le`
[INFO] [stdout]   --> src/core.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn le(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `great`
[INFO] [stdout]   --> src/core.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn great(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ge`
[INFO] [stdout]   --> src/core.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn ge(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `prn`
[INFO] [stdout]   --> src/core.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn prn(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `list`
[INFO] [stdout]   --> src/core.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub fn list(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `list_q`
[INFO] [stdout]   --> src/core.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn list_q(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `empty_q`
[INFO] [stdout]   --> src/core.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub fn empty_q(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `count_q`
[INFO] [stdout]   --> src/core.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub fn count_q(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_string`
[INFO] [stdout]   --> src/core.rs:99:8
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub fn read_string(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `slurp`
[INFO] [stdout]    --> src/core.rs:113:8
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub fn slurp(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `atom`
[INFO] [stdout]    --> src/core.rs:136:8
[INFO] [stdout]     |
[INFO] [stdout] 136 | pub fn atom(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `atom_q`
[INFO] [stdout]    --> src/core.rs:143:8
[INFO] [stdout]     |
[INFO] [stdout] 143 | pub fn atom_q(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `deref`
[INFO] [stdout]    --> src/core.rs:153:8
[INFO] [stdout]     |
[INFO] [stdout] 153 | pub fn deref(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `reset_b`
[INFO] [stdout]    --> src/core.rs:163:8
[INFO] [stdout]     |
[INFO] [stdout] 163 | pub fn reset_b(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cons`
[INFO] [stdout]    --> src/core.rs:176:8
[INFO] [stdout]     |
[INFO] [stdout] 176 | pub fn cons(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `concat`
[INFO] [stdout]    --> src/core.rs:190:8
[INFO] [stdout]     |
[INFO] [stdout] 190 | pub fn concat(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `nth`
[INFO] [stdout]    --> src/core.rs:201:8
[INFO] [stdout]     |
[INFO] [stdout] 201 | pub fn nth(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `first`
[INFO] [stdout]    --> src/core.rs:214:8
[INFO] [stdout]     |
[INFO] [stdout] 214 | pub fn first(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `init`
[INFO] [stdout]   --> src/env.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn init() -> Env {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/env.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn new(outer: Option<Env>) -> Env {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `bind`
[INFO] [stdout]   --> src/env.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn bind(outer: Option<Env>, binds: MalType, exprs: MalType) -> Env {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `find`
[INFO] [stdout]   --> src/env.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn find(&self, key: &MalType) -> Option<Env> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add`
[INFO] [stdout]   --> src/core.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn add(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> src/env.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn get(&self, key: &MalType) -> Option<MalType> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sub`
[INFO] [stdout]   --> src/core.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn sub(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mul`
[INFO] [stdout]   --> src/core.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn mul(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set`
[INFO] [stdout]   --> src/env.rs:94:12
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn set(&mut self, key: MalType, value: MalType) -> Option<MalType> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `outer`
[INFO] [stdout]    --> src/env.rs:103:12
[INFO] [stdout]     |
[INFO] [stdout] 103 |     pub fn outer(&self) -> Option<Env> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Float`
[INFO] [stdout]   --> src/types.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Float(f64),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Vector`
[INFO] [stdout]   --> src/types.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Vector(Rc<Vec<MalType>>, Rc<MalType>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Hash`
[INFO] [stdout]   --> src/types.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Hash(Rc<HashMap<String, MalType>>, Rc<MalType>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Func`
[INFO] [stdout]   --> src/types.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Func(fn(MalArgs) -> MalRet, Rc<MalType>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `MalFunc`
[INFO] [stdout]   --> src/types.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     MalFunc {
[INFO] [stdout] 20 | |         ast: Rc<MalType>,
[INFO] [stdout] 21 | |         env: Env,
[INFO] [stdout] 22 | |         params: Rc<MalType>,
[INFO] [stdout] 23 | |         is_macro: bool,
[INFO] [stdout] 24 | |         meta: Rc<MalType>,
[INFO] [stdout] 25 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Atom`
[INFO] [stdout]   --> src/types.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Atom(Rc<RefCell<MalType>>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ErrValue`
[INFO] [stdout]   --> src/types.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     ErrValue(MalType),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ErrorMsg`
[INFO] [stdout]   --> src/types.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     ErrorMsg(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `OsErr`
[INFO] [stdout]   --> src/types.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     OsErr(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `error_msg`
[INFO] [stdout]   --> src/types.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub fn error_msg(s: &str) -> MalErr {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `div`
[INFO] [stdout]   --> src/core.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn div(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `equal`
[INFO] [stdout]   --> src/core.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn equal(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `error_string`
[INFO] [stdout]   --> src/types.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn error_string(s: String) -> MalErr {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `less`
[INFO] [stdout]   --> src/core.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn less(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `le`
[INFO] [stdout]   --> src/core.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn le(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `great`
[INFO] [stdout]   --> src/core.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn great(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ge`
[INFO] [stdout]   --> src/core.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn ge(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `atom`
[INFO] [stdout]   --> src/types.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn atom(v: MalType) -> MalType {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `func`
[INFO] [stdout]   --> src/types.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn func(f: fn(args: MalArgs) -> MalRet) -> MalType {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `prn`
[INFO] [stdout]   --> src/core.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn prn(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `list`
[INFO] [stdout]   --> src/core.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub fn list(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `list_q`
[INFO] [stdout]   --> src/core.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn list_q(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `empty_q`
[INFO] [stdout]   --> src/core.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub fn empty_q(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `count_q`
[INFO] [stdout]   --> src/core.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub fn count_q(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_string`
[INFO] [stdout]   --> src/core.rs:99:8
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub fn read_string(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `slurp`
[INFO] [stdout]    --> src/core.rs:113:8
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub fn slurp(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `atom`
[INFO] [stdout]    --> src/core.rs:136:8
[INFO] [stdout]     |
[INFO] [stdout] 136 | pub fn atom(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `atom_q`
[INFO] [stdout]    --> src/core.rs:143:8
[INFO] [stdout]     |
[INFO] [stdout] 143 | pub fn atom_q(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `deref`
[INFO] [stdout]    --> src/core.rs:153:8
[INFO] [stdout]     |
[INFO] [stdout] 153 | pub fn deref(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `reset_b`
[INFO] [stdout]    --> src/core.rs:163:8
[INFO] [stdout]     |
[INFO] [stdout] 163 | pub fn reset_b(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cons`
[INFO] [stdout]    --> src/core.rs:176:8
[INFO] [stdout]     |
[INFO] [stdout] 176 | pub fn cons(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `concat`
[INFO] [stdout]    --> src/core.rs:190:8
[INFO] [stdout]     |
[INFO] [stdout] 190 | pub fn concat(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `nth`
[INFO] [stdout]    --> src/core.rs:201:8
[INFO] [stdout]     |
[INFO] [stdout] 201 | pub fn nth(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `first`
[INFO] [stdout]    --> src/core.rs:214:8
[INFO] [stdout]     |
[INFO] [stdout] 214 | pub fn first(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `init`
[INFO] [stdout]   --> src/env.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn init() -> Env {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/env.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn new(outer: Option<Env>) -> Env {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `bind`
[INFO] [stdout]   --> src/env.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn bind(outer: Option<Env>, binds: MalType, exprs: MalType) -> Env {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `find`
[INFO] [stdout]   --> src/env.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn find(&self, key: &MalType) -> Option<Env> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> src/env.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn get(&self, key: &MalType) -> Option<MalType> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set`
[INFO] [stdout]   --> src/env.rs:94:12
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn set(&mut self, key: MalType, value: MalType) -> Option<MalType> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `outer`
[INFO] [stdout]    --> src/env.rs:103:12
[INFO] [stdout]     |
[INFO] [stdout] 103 |     pub fn outer(&self) -> Option<Env> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Float`
[INFO] [stdout]   --> src/types.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Float(f64),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Vector`
[INFO] [stdout]   --> src/types.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Vector(Rc<Vec<MalType>>, Rc<MalType>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Hash`
[INFO] [stdout]   --> src/types.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Hash(Rc<HashMap<String, MalType>>, Rc<MalType>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Func`
[INFO] [stdout]   --> src/types.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Func(fn(MalArgs) -> MalRet, Rc<MalType>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `MalFunc`
[INFO] [stdout]   --> src/types.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     MalFunc {
[INFO] [stdout] 20 | |         ast: Rc<MalType>,
[INFO] [stdout] 21 | |         env: Env,
[INFO] [stdout] 22 | |         params: Rc<MalType>,
[INFO] [stdout] 23 | |         is_macro: bool,
[INFO] [stdout] 24 | |         meta: Rc<MalType>,
[INFO] [stdout] 25 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Atom`
[INFO] [stdout]   --> src/types.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Atom(Rc<RefCell<MalType>>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ErrValue`
[INFO] [stdout]   --> src/types.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     ErrValue(MalType),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ErrorMsg`
[INFO] [stdout]   --> src/types.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     ErrorMsg(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `OsErr`
[INFO] [stdout]   --> src/types.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     OsErr(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `error_msg`
[INFO] [stdout]   --> src/types.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub fn error_msg(s: &str) -> MalErr {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `error_string`
[INFO] [stdout]   --> src/types.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn error_string(s: String) -> MalErr {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `atom`
[INFO] [stdout]   --> src/types.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn atom(v: MalType) -> MalType {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `func`
[INFO] [stdout]   --> src/types.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn func(f: fn(args: MalArgs) -> MalRet) -> MalType {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sub`
[INFO] [stdout]   --> src/core.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn sub(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mul`
[INFO] [stdout]   --> src/core.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn mul(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `div`
[INFO] [stdout]   --> src/core.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn div(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `equal`
[INFO] [stdout]   --> src/core.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn equal(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `less`
[INFO] [stdout]   --> src/core.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn less(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `le`
[INFO] [stdout]   --> src/core.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn le(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `great`
[INFO] [stdout]   --> src/core.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn great(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ge`
[INFO] [stdout]   --> src/core.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn ge(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `prn`
[INFO] [stdout]   --> src/core.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn prn(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `list`
[INFO] [stdout]   --> src/core.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub fn list(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `list_q`
[INFO] [stdout]   --> src/core.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn list_q(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `empty_q`
[INFO] [stdout]   --> src/core.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub fn empty_q(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `count_q`
[INFO] [stdout]   --> src/core.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub fn count_q(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_string`
[INFO] [stdout]   --> src/core.rs:99:8
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub fn read_string(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `slurp`
[INFO] [stdout]    --> src/core.rs:113:8
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub fn slurp(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `atom`
[INFO] [stdout]    --> src/core.rs:136:8
[INFO] [stdout]     |
[INFO] [stdout] 136 | pub fn atom(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `atom_q`
[INFO] [stdout]    --> src/core.rs:143:8
[INFO] [stdout]     |
[INFO] [stdout] 143 | pub fn atom_q(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `deref`
[INFO] [stdout]    --> src/core.rs:153:8
[INFO] [stdout]     |
[INFO] [stdout] 153 | pub fn deref(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `reset_b`
[INFO] [stdout]    --> src/core.rs:163:8
[INFO] [stdout]     |
[INFO] [stdout] 163 | pub fn reset_b(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cons`
[INFO] [stdout]    --> src/core.rs:176:8
[INFO] [stdout]     |
[INFO] [stdout] 176 | pub fn cons(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `concat`
[INFO] [stdout]    --> src/core.rs:190:8
[INFO] [stdout]     |
[INFO] [stdout] 190 | pub fn concat(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `nth`
[INFO] [stdout]    --> src/core.rs:201:8
[INFO] [stdout]     |
[INFO] [stdout] 201 | pub fn nth(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `first`
[INFO] [stdout]    --> src/core.rs:214:8
[INFO] [stdout]     |
[INFO] [stdout] 214 | pub fn first(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `init`
[INFO] [stdout]   --> src/env.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn init() -> Env {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `bind`
[INFO] [stdout]   --> src/env.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn bind(outer: Option<Env>, binds: MalType, exprs: MalType) -> Env {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `outer`
[INFO] [stdout]    --> src/env.rs:103:12
[INFO] [stdout]     |
[INFO] [stdout] 103 |     pub fn outer(&self) -> Option<Env> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Float`
[INFO] [stdout]   --> src/types.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Float(f64),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Vector`
[INFO] [stdout]   --> src/types.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Vector(Rc<Vec<MalType>>, Rc<MalType>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Hash`
[INFO] [stdout]   --> src/types.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Hash(Rc<HashMap<String, MalType>>, Rc<MalType>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `READ` should have a snake case name
[INFO] [stdout]   --> src/step6_file.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn READ() -> Option<MalType> {
[INFO] [stdout]    |    ^^^^ help: convert the identifier to snake case: `read`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `MalFunc`
[INFO] [stdout]   --> src/types.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     MalFunc {
[INFO] [stdout] 20 | |         ast: Rc<MalType>,
[INFO] [stdout] 21 | |         env: Env,
[INFO] [stdout] 22 | |         params: Rc<MalType>,
[INFO] [stdout] 23 | |         is_macro: bool,
[INFO] [stdout] 24 | |         meta: Rc<MalType>,
[INFO] [stdout] 25 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Atom`
[INFO] [stdout]   --> src/types.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Atom(Rc<RefCell<MalType>>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ErrValue`
[INFO] [stdout]   --> src/types.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     ErrValue(MalType),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `OsErr`
[INFO] [stdout]   --> src/types.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     OsErr(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `error_string`
[INFO] [stdout]   --> src/types.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn error_string(s: String) -> MalErr {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `atom`
[INFO] [stdout]   --> src/types.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn atom(v: MalType) -> MalType {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `func`
[INFO] [stdout]   --> src/types.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn func(f: fn(args: MalArgs) -> MalRet) -> MalType {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `READ` should have a snake case name
[INFO] [stdout]  --> src/step1_read_print.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn READ() -> String {
[INFO] [stdout]   |    ^^^^ help: convert the identifier to snake case: `read`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 67 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `EVAL` should have a snake case name
[INFO] [stdout]   --> src/step6_file.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub fn EVAL(val: &MalType, env: &mut env::Env) -> Result<MalType, MalErr> {
[INFO] [stdout]    |        ^^^^ help: convert the identifier to snake case: `eval`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `PRINT` should have a snake case name
[INFO] [stdout]    --> src/step6_file.rs:215:4
[INFO] [stdout]     |
[INFO] [stdout] 215 | fn PRINT(val: &MalType) {
[INFO] [stdout]     |    ^^^^^ help: convert the identifier to snake case: `print`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `READ` should have a snake case name
[INFO] [stdout]  --> src/step1_read_print.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn READ() -> String {
[INFO] [stdout]   |    ^^^^ help: convert the identifier to snake case: `read`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `EVAL` should have a snake case name
[INFO] [stdout]   --> src/step1_read_print.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn EVAL(input: String) -> Option<types::MalType> {
[INFO] [stdout]    |    ^^^^ help: convert the identifier to snake case: `eval`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `PRINT` should have a snake case name
[INFO] [stdout]   --> src/step1_read_print.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn PRINT(val: &types::MalType) {
[INFO] [stdout]    |    ^^^^^ help: convert the identifier to snake case: `print`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `EVAL` should have a snake case name
[INFO] [stdout]   --> src/step1_read_print.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn EVAL(input: String) -> Option<types::MalType> {
[INFO] [stdout]    |    ^^^^ help: convert the identifier to snake case: `eval`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `PRINT` should have a snake case name
[INFO] [stdout]   --> src/step1_read_print.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn PRINT(val: &types::MalType) {
[INFO] [stdout]    |    ^^^^^ help: convert the identifier to snake case: `print`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/step1_read_print.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         std::io::stdout().flush();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/step1_read_print.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         std::io::stdout().flush();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `READ` should have a snake case name
[INFO] [stdout]   --> src/step3_env.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn READ() -> Option<MalType> {
[INFO] [stdout]    |    ^^^^ help: convert the identifier to snake case: `read`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `EVAL` should have a snake case name
[INFO] [stdout]   --> src/step3_env.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn EVAL(val: &MalType, env: &mut env::Env) -> Option<MalType> {
[INFO] [stdout]    |    ^^^^ help: convert the identifier to snake case: `eval`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `PRINT` should have a snake case name
[INFO] [stdout]   --> src/step3_env.rs:88:4
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn PRINT(val: &MalType) {
[INFO] [stdout]    |    ^^^^^ help: convert the identifier to snake case: `print`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `nth`
[INFO] [stdout]    --> src/core.rs:201:8
[INFO] [stdout]     |
[INFO] [stdout] 201 | pub fn nth(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `first`
[INFO] [stdout]    --> src/core.rs:214:8
[INFO] [stdout]     |
[INFO] [stdout] 214 | pub fn first(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `int_operation`
[INFO] [stdout]  --> src/core.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn int_operation(args: MalArgs, op: fn(&i32, &i32) -> MalType) -> MalRet {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add`
[INFO] [stdout]   --> src/core.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn add(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sub`
[INFO] [stdout]   --> src/core.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn sub(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mul`
[INFO] [stdout]   --> src/core.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn mul(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `div`
[INFO] [stdout]   --> src/core.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn div(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `equal`
[INFO] [stdout]   --> src/core.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn equal(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `less`
[INFO] [stdout]   --> src/core.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn less(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `le`
[INFO] [stdout]   --> src/core.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn le(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `great`
[INFO] [stdout]   --> src/core.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn great(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ge`
[INFO] [stdout]   --> src/core.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn ge(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `prn`
[INFO] [stdout]   --> src/core.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn prn(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `list`
[INFO] [stdout]   --> src/core.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub fn list(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `list_q`
[INFO] [stdout]   --> src/core.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn list_q(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `empty_q`
[INFO] [stdout]   --> src/core.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub fn empty_q(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `count_q`
[INFO] [stdout]   --> src/core.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub fn count_q(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_string`
[INFO] [stdout]   --> src/core.rs:99:8
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub fn read_string(args: MalArgs) -> MalRet {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `slurp`
[INFO] [stdout]    --> src/core.rs:113:8
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub fn slurp(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `atom`
[INFO] [stdout]    --> src/core.rs:136:8
[INFO] [stdout]     |
[INFO] [stdout] 136 | pub fn atom(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `atom_q`
[INFO] [stdout]    --> src/core.rs:143:8
[INFO] [stdout]     |
[INFO] [stdout] 143 | pub fn atom_q(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `deref`
[INFO] [stdout]    --> src/core.rs:153:8
[INFO] [stdout]     |
[INFO] [stdout] 153 | pub fn deref(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `reset_b`
[INFO] [stdout]    --> src/core.rs:163:8
[INFO] [stdout]     |
[INFO] [stdout] 163 | pub fn reset_b(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cons`
[INFO] [stdout]    --> src/core.rs:176:8
[INFO] [stdout]     |
[INFO] [stdout] 176 | pub fn cons(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `concat`
[INFO] [stdout]    --> src/core.rs:190:8
[INFO] [stdout]     |
[INFO] [stdout] 190 | pub fn concat(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `nth`
[INFO] [stdout]    --> src/core.rs:201:8
[INFO] [stdout]     |
[INFO] [stdout] 201 | pub fn nth(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `first`
[INFO] [stdout]    --> src/core.rs:214:8
[INFO] [stdout]     |
[INFO] [stdout] 214 | pub fn first(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `init`
[INFO] [stdout]   --> src/env.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn init() -> Env {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/env.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn new(outer: Option<Env>) -> Env {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `bind`
[INFO] [stdout]   --> src/env.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn bind(outer: Option<Env>, binds: MalType, exprs: MalType) -> Env {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `find`
[INFO] [stdout]   --> src/env.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn find(&self, key: &MalType) -> Option<Env> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> src/env.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn get(&self, key: &MalType) -> Option<MalType> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set`
[INFO] [stdout]   --> src/env.rs:94:12
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn set(&mut self, key: MalType, value: MalType) -> Option<MalType> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `outer`
[INFO] [stdout]    --> src/env.rs:103:12
[INFO] [stdout]     |
[INFO] [stdout] 103 |     pub fn outer(&self) -> Option<Env> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pr_str`
[INFO] [stdout]  --> src/printer.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn pr_str(val: &MalType) {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fmt_str`
[INFO] [stdout]  --> src/printer.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn fmt_str(val: &MalType) -> String {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fmt_seq`
[INFO] [stdout]   --> src/printer.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn fmt_seq(seq: &Vec<MalType>) -> String {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Reader`
[INFO] [stdout]   --> src/reader.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Reader {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/reader.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn new(tokens: Vec<String>) -> Reader {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next`
[INFO] [stdout]   --> src/reader.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn next(&mut self) -> Option<String> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek`
[INFO] [stdout]   --> src/reader.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn peek(&self) -> Option<String> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_str`
[INFO] [stdout]   --> src/reader.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub fn read_str(input: &String) -> Option<MalType> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `tokenize`
[INFO] [stdout]   --> src/reader.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn tokenize(input: &String) -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_shorthand`
[INFO] [stdout]   --> src/reader.rs:61:4
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn read_shorthand(reader: &mut Reader, sym_name: &str) -> Option<MalType> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_form`
[INFO] [stdout]   --> src/reader.rs:70:4
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn read_form(reader: &mut Reader) -> Option<MalType> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_list`
[INFO] [stdout]   --> src/reader.rs:90:4
[INFO] [stdout]    |
[INFO] [stdout] 90 | fn read_list(reader: &mut Reader, end: &str) -> Option<MalType> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_atom`
[INFO] [stdout]    --> src/reader.rs:106:4
[INFO] [stdout]     |
[INFO] [stdout] 106 | fn read_atom(reader: &mut Reader) -> Option<MalType> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_string`
[INFO] [stdout]    --> src/reader.rs:125:4
[INFO] [stdout]     |
[INFO] [stdout] 125 | fn read_string(reader: &mut Reader) -> Option<MalType> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Nil`
[INFO] [stdout]  --> src/types.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Nil,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 50 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Bool`
[INFO] [stdout]   --> src/types.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Bool(bool),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Int`
[INFO] [stdout]   --> src/types.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Int(i32),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Float`
[INFO] [stdout]   --> src/types.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Float(f64),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Str`
[INFO] [stdout]   --> src/types.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Str(String),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Sym`
[INFO] [stdout]   --> src/types.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Sym(String),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `List`
[INFO] [stdout]   --> src/types.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     List(Rc<Vec<MalType>>, Rc<MalType>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Vector`
[INFO] [stdout]   --> src/types.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Vector(Rc<Vec<MalType>>, Rc<MalType>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Hash`
[INFO] [stdout]   --> src/types.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Hash(Rc<HashMap<String, MalType>>, Rc<MalType>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Func`
[INFO] [stdout]   --> src/types.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Func(fn(MalArgs) -> MalRet, Rc<MalType>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `MalFunc`
[INFO] [stdout]   --> src/types.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     MalFunc {
[INFO] [stdout] 20 | |         ast: Rc<MalType>,
[INFO] [stdout] 21 | |         env: Env,
[INFO] [stdout] 22 | |         params: Rc<MalType>,
[INFO] [stdout] 23 | |         is_macro: bool,
[INFO] [stdout] 24 | |         meta: Rc<MalType>,
[INFO] [stdout] 25 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Atom`
[INFO] [stdout]   --> src/types.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Atom(Rc<RefCell<MalType>>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ErrValue`
[INFO] [stdout]   --> src/types.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     ErrValue(MalType),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ErrorMsg`
[INFO] [stdout]   --> src/types.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     ErrorMsg(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `OsErr`
[INFO] [stdout]   --> src/types.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     OsErr(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `error_msg`
[INFO] [stdout]   --> src/types.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub fn error_msg(s: &str) -> MalErr {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `error_string`
[INFO] [stdout]   --> src/types.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn error_string(s: String) -> MalErr {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `list`
[INFO] [stdout]   --> src/types.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn list(v: Vec<MalType>) -> MalType {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `atom`
[INFO] [stdout]   --> src/types.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn atom(v: MalType) -> MalType {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `func`
[INFO] [stdout]   --> src/types.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn func(f: fn(args: MalArgs) -> MalRet) -> MalType {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `nth`
[INFO] [stdout]    --> src/core.rs:201:8
[INFO] [stdout]     |
[INFO] [stdout] 201 | pub fn nth(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `first`
[INFO] [stdout]    --> src/core.rs:214:8
[INFO] [stdout]     |
[INFO] [stdout] 214 | pub fn first(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `outer`
[INFO] [stdout]    --> src/env.rs:103:12
[INFO] [stdout]     |
[INFO] [stdout] 103 |     pub fn outer(&self) -> Option<Env> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Float`
[INFO] [stdout]   --> src/types.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Float(f64),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Vector`
[INFO] [stdout]   --> src/types.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Vector(Rc<Vec<MalType>>, Rc<MalType>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Hash`
[INFO] [stdout]   --> src/types.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Hash(Rc<HashMap<String, MalType>>, Rc<MalType>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `OsErr`
[INFO] [stdout]   --> src/types.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     OsErr(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 50 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `nth`
[INFO] [stdout]    --> src/core.rs:201:8
[INFO] [stdout]     |
[INFO] [stdout] 201 | pub fn nth(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `first`
[INFO] [stdout]    --> src/core.rs:214:8
[INFO] [stdout]     |
[INFO] [stdout] 214 | pub fn first(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `outer`
[INFO] [stdout]    --> src/env.rs:103:12
[INFO] [stdout]     |
[INFO] [stdout] 103 |     pub fn outer(&self) -> Option<Env> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Float`
[INFO] [stdout]   --> src/types.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Float(f64),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Vector`
[INFO] [stdout]   --> src/types.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Vector(Rc<Vec<MalType>>, Rc<MalType>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Hash`
[INFO] [stdout]   --> src/types.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Hash(Rc<HashMap<String, MalType>>, Rc<MalType>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `OsErr`
[INFO] [stdout]   --> src/types.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     OsErr(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 40 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `READ` should have a snake case name
[INFO] [stdout]   --> src/step6_file.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn READ() -> Option<MalType> {
[INFO] [stdout]    |    ^^^^ help: convert the identifier to snake case: `read`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `EVAL` should have a snake case name
[INFO] [stdout]   --> src/step6_file.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub fn EVAL(val: &MalType, env: &mut env::Env) -> Result<MalType, MalErr> {
[INFO] [stdout]    |        ^^^^ help: convert the identifier to snake case: `eval`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `PRINT` should have a snake case name
[INFO] [stdout]    --> src/step6_file.rs:215:4
[INFO] [stdout]     |
[INFO] [stdout] 215 | fn PRINT(val: &MalType) {
[INFO] [stdout]     |    ^^^^^ help: convert the identifier to snake case: `print`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `nth`
[INFO] [stdout]    --> src/core.rs:201:8
[INFO] [stdout]     |
[INFO] [stdout] 201 | pub fn nth(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `first`
[INFO] [stdout]    --> src/core.rs:214:8
[INFO] [stdout]     |
[INFO] [stdout] 214 | pub fn first(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `nth`
[INFO] [stdout]    --> src/core.rs:201:8
[INFO] [stdout]     |
[INFO] [stdout] 201 | pub fn nth(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `READ` should have a snake case name
[INFO] [stdout]   --> src/step4_if_fn_do.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn READ() -> Option<MalType> {
[INFO] [stdout]    |    ^^^^ help: convert the identifier to snake case: `read`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `EVAL` should have a snake case name
[INFO] [stdout]   --> src/step4_if_fn_do.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn EVAL(val: &MalType, env: &mut env::Env) -> Option<MalType> {
[INFO] [stdout]    |    ^^^^ help: convert the identifier to snake case: `eval`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `PRINT` should have a snake case name
[INFO] [stdout]    --> src/step4_if_fn_do.rs:125:4
[INFO] [stdout]     |
[INFO] [stdout] 125 | fn PRINT(val: &MalType) {
[INFO] [stdout]     |    ^^^^^ help: convert the identifier to snake case: `print`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `nth`
[INFO] [stdout]    --> src/core.rs:201:8
[INFO] [stdout]     |
[INFO] [stdout] 201 | pub fn nth(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `first`
[INFO] [stdout]    --> src/core.rs:214:8
[INFO] [stdout]     |
[INFO] [stdout] 214 | pub fn first(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `outer`
[INFO] [stdout]    --> src/env.rs:103:12
[INFO] [stdout]     |
[INFO] [stdout] 103 |     pub fn outer(&self) -> Option<Env> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Float`
[INFO] [stdout]   --> src/types.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Float(f64),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Vector`
[INFO] [stdout]   --> src/types.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Vector(Rc<Vec<MalType>>, Rc<MalType>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Hash`
[INFO] [stdout]   --> src/types.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Hash(Rc<HashMap<String, MalType>>, Rc<MalType>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `OsErr`
[INFO] [stdout]   --> src/types.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     OsErr(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `first`
[INFO] [stdout]    --> src/core.rs:214:8
[INFO] [stdout]     |
[INFO] [stdout] 214 | pub fn first(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/printer.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `READ` should have a snake case name
[INFO] [stdout]   --> src/step8_macros.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn READ() -> Option<MalType> {
[INFO] [stdout]    |    ^^^^ help: convert the identifier to snake case: `read`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 67 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `READ` should have a snake case name
[INFO] [stdout]   --> src/step5_tco.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn READ() -> Option<MalType> {
[INFO] [stdout]    |    ^^^^ help: convert the identifier to snake case: `read`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `EVAL` should have a snake case name
[INFO] [stdout]   --> src/step5_tco.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn EVAL(val: &MalType, env: &mut env::Env) -> Option<MalType> {
[INFO] [stdout]    |    ^^^^ help: convert the identifier to snake case: `eval`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `PRINT` should have a snake case name
[INFO] [stdout]    --> src/step5_tco.rs:177:4
[INFO] [stdout]     |
[INFO] [stdout] 177 | fn PRINT(val: &MalType) {
[INFO] [stdout]     |    ^^^^^ help: convert the identifier to snake case: `print`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `READ` should have a snake case name
[INFO] [stdout]   --> src/step8_macros.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn READ() -> Option<MalType> {
[INFO] [stdout]    |    ^^^^ help: convert the identifier to snake case: `read`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `EVAL` should have a snake case name
[INFO] [stdout]    --> src/step8_macros.rs:130:4
[INFO] [stdout]     |
[INFO] [stdout] 130 | fn EVAL(val: &MalType, env: &mut env::Env) -> Result<MalType, MalErr> {
[INFO] [stdout]     |    ^^^^ help: convert the identifier to snake case: `eval`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `PRINT` should have a snake case name
[INFO] [stdout]    --> src/step8_macros.rs:333:4
[INFO] [stdout]     |
[INFO] [stdout] 333 | fn PRINT(val: &MalType) {
[INFO] [stdout]     |    ^^^^^ help: convert the identifier to snake case: `print`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `EVAL` should have a snake case name
[INFO] [stdout]    --> src/step8_macros.rs:130:4
[INFO] [stdout]     |
[INFO] [stdout] 130 | fn EVAL(val: &MalType, env: &mut env::Env) -> Result<MalType, MalErr> {
[INFO] [stdout]     |    ^^^^ help: convert the identifier to snake case: `eval`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `PRINT` should have a snake case name
[INFO] [stdout]    --> src/step8_macros.rs:333:4
[INFO] [stdout]     |
[INFO] [stdout] 333 | fn PRINT(val: &MalType) {
[INFO] [stdout]     |    ^^^^^ help: convert the identifier to snake case: `print`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `READ` should have a snake case name
[INFO] [stdout]   --> src/step5_tco.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn READ() -> Option<MalType> {
[INFO] [stdout]    |    ^^^^ help: convert the identifier to snake case: `read`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `EVAL` should have a snake case name
[INFO] [stdout]   --> src/step5_tco.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn EVAL(val: &MalType, env: &mut env::Env) -> Option<MalType> {
[INFO] [stdout]    |    ^^^^ help: convert the identifier to snake case: `eval`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `PRINT` should have a snake case name
[INFO] [stdout]    --> src/step5_tco.rs:177:4
[INFO] [stdout]     |
[INFO] [stdout] 177 | fn PRINT(val: &MalType) {
[INFO] [stdout]     |    ^^^^^ help: convert the identifier to snake case: `print`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `nth`
[INFO] [stdout]    --> src/core.rs:201:8
[INFO] [stdout]     |
[INFO] [stdout] 201 | pub fn nth(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `first`
[INFO] [stdout]    --> src/core.rs:214:8
[INFO] [stdout]     |
[INFO] [stdout] 214 | pub fn first(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `outer`
[INFO] [stdout]    --> src/env.rs:103:12
[INFO] [stdout]     |
[INFO] [stdout] 103 |     pub fn outer(&self) -> Option<Env> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Float`
[INFO] [stdout]   --> src/types.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Float(f64),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Vector`
[INFO] [stdout]   --> src/types.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Vector(Rc<Vec<MalType>>, Rc<MalType>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Hash`
[INFO] [stdout]   --> src/types.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Hash(Rc<HashMap<String, MalType>>, Rc<MalType>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `OsErr`
[INFO] [stdout]   --> src/types.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     OsErr(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `READ` should have a snake case name
[INFO] [stdout]   --> src/step4_if_fn_do.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn READ() -> Option<MalType> {
[INFO] [stdout]    |    ^^^^ help: convert the identifier to snake case: `read`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `EVAL` should have a snake case name
[INFO] [stdout]   --> src/step4_if_fn_do.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn EVAL(val: &MalType, env: &mut env::Env) -> Option<MalType> {
[INFO] [stdout]    |    ^^^^ help: convert the identifier to snake case: `eval`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `PRINT` should have a snake case name
[INFO] [stdout]    --> src/step4_if_fn_do.rs:125:4
[INFO] [stdout]     |
[INFO] [stdout] 125 | fn PRINT(val: &MalType) {
[INFO] [stdout]     |    ^^^^^ help: convert the identifier to snake case: `print`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `nth`
[INFO] [stdout]    --> src/core.rs:201:8
[INFO] [stdout]     |
[INFO] [stdout] 201 | pub fn nth(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `first`
[INFO] [stdout]    --> src/core.rs:214:8
[INFO] [stdout]     |
[INFO] [stdout] 214 | pub fn first(args: MalArgs) -> MalRet {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `READ` should have a snake case name
[INFO] [stdout]   --> src/step7_quote.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn READ() -> Option<MalType> {
[INFO] [stdout]    |    ^^^^ help: convert the identifier to snake case: `read`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `EVAL` should have a snake case name
[INFO] [stdout]    --> src/step7_quote.rs:100:8
[INFO] [stdout]     |
[INFO] [stdout] 100 | pub fn EVAL(val: &MalType, env: &mut env::Env) -> Result<MalType, MalErr> {
[INFO] [stdout]     |        ^^^^ help: convert the identifier to snake case: `eval`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `PRINT` should have a snake case name
[INFO] [stdout]    --> src/step7_quote.rs:255:4
[INFO] [stdout]     |
[INFO] [stdout] 255 | fn PRINT(val: &MalType) {
[INFO] [stdout]     |    ^^^^^ help: convert the identifier to snake case: `print`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "90130e45c860c13bce476b50eeec74aad9862b1f8e5ac384706dc7fd592e76ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90130e45c860c13bce476b50eeec74aad9862b1f8e5ac384706dc7fd592e76ce", kill_on_drop: false }`
[INFO] [stdout] 90130e45c860c13bce476b50eeec74aad9862b1f8e5ac384706dc7fd592e76ce
