[INFO] cloning repository https://github.com/linkpy/neolisp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/linkpy/neolisp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinkpy%2Fneolisp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinkpy%2Fneolisp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 40fc1d838a32c0edf2690be4000f7cc2492148af
[INFO] checking linkpy/neolisp against try#1f5783cbeb5da8b38566d718631d016891e9c912 for pr-142704
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinkpy%2Fneolisp" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/linkpy/neolisp on toolchain 1f5783cbeb5da8b38566d718631d016891e9c912
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f5783cbeb5da8b38566d718631d016891e9c912" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/linkpy/neolisp
[INFO] finished tweaking git repo https://github.com/linkpy/neolisp
[INFO] tweaked toml for git repo https://github.com/linkpy/neolisp written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/linkpy/neolisp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f5783cbeb5da8b38566d718631d016891e9c912" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded peg v0.6.2
[INFO] [stderr]   Downloaded peg-runtime v0.6.2
[INFO] [stderr]   Downloaded utf8parse v0.2.0
[INFO] [stderr]   Downloaded peg-macros v0.6.2
[INFO] [stderr]   Downloaded cc v1.0.52
[INFO] [stderr]   Downloaded rustyline v6.1.2
[INFO] [stderr]   Downloaded dirs-sys v0.3.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+1f5783cbeb5da8b38566d718631d016891e9c912" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b855678627edf9ef43fa8b70803ee5f4cb08731c91e1b9791bdefe61e5b2cc73
[INFO] running `Command { std: "docker" "start" "-a" "b855678627edf9ef43fa8b70803ee5f4cb08731c91e1b9791bdefe61e5b2cc73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b855678627edf9ef43fa8b70803ee5f4cb08731c91e1b9791bdefe61e5b2cc73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b855678627edf9ef43fa8b70803ee5f4cb08731c91e1b9791bdefe61e5b2cc73", kill_on_drop: false }`
[INFO] [stdout] b855678627edf9ef43fa8b70803ee5f4cb08731c91e1b9791bdefe61e5b2cc73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+1f5783cbeb5da8b38566d718631d016891e9c912" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79d1ae60726ec1506d2a71a7fc0719b31d7cfa6e2514587f82e6bcbf8c97d7a3
[INFO] running `Command { std: "docker" "start" "-a" "79d1ae60726ec1506d2a71a7fc0719b31d7cfa6e2514587f82e6bcbf8c97d7a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling peg-runtime v0.6.2
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling peg-macros v0.6.2
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking peg v0.6.2
[INFO] [stderr]     Checking rustyline v6.1.2
[INFO] [stderr]     Checking neolisp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `boolean::*`
[INFO] [stdout]   --> src/nl/core/object/mod.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub use boolean::*;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `character::*`
[INFO] [stdout]   --> src/nl/core/object/mod.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub use character::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `float::*`
[INFO] [stdout]   --> src/nl/core/object/mod.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub use float::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `integer::*`
[INFO] [stdout]   --> src/nl/core/object/mod.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub use integer::*;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `keyword::*`
[INFO] [stdout]   --> src/nl/core/object/mod.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub use keyword::*;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `list::*`
[INFO] [stdout]   --> src/nl/core/object/mod.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub use list::*;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nil::*`
[INFO] [stdout]   --> src/nl/core/object/mod.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub use nil::*;
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `string::*`
[INFO] [stdout]   --> src/nl/core/object/mod.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub use string::*;
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `symbol::*`
[INFO] [stdout]   --> src/nl/core/object/mod.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub use symbol::*;
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nl::core::object::*`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use nl::core::object::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `boolean::*`
[INFO] [stdout]   --> src/nl/core/object/mod.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub use boolean::*;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `character::*`
[INFO] [stdout]   --> src/nl/core/object/mod.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub use character::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `float::*`
[INFO] [stdout]   --> src/nl/core/object/mod.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub use float::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `integer::*`
[INFO] [stdout]   --> src/nl/core/object/mod.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub use integer::*;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `keyword::*`
[INFO] [stdout]   --> src/nl/core/object/mod.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub use keyword::*;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `list::*`
[INFO] [stdout]   --> src/nl/core/object/mod.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub use list::*;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nil::*`
[INFO] [stdout]   --> src/nl/core/object/mod.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub use nil::*;
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `string::*`
[INFO] [stdout]   --> src/nl/core/object/mod.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub use string::*;
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `symbol::*`
[INFO] [stdout]   --> src/nl/core/object/mod.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub use symbol::*;
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nl::core::object::*`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use nl::core::object::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_string_light` is never used
[INFO] [stdout]   --> src/nl/core/error.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Error {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 79 |     pub fn to_string_light(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `length` is never read
[INFO] [stdout]   --> src/nl/core/location.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct DirectLocation {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub length: usize,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DirectLocation` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Expansion` is never constructed
[INFO] [stdout]   --> src/nl/core/location.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub enum Location {
[INFO] [stdout]    |          -------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 82 |     Expansion(Vec<ExpansionLocation>),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Location` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/nl/core/location.rs:95:12
[INFO] [stdout]     |
[INFO] [stdout] 92  | impl Location {
[INFO] [stdout]     | ------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 95  |     pub fn new_empty() -> Location {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 116 |     pub fn is_none(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 125 |     pub fn is_intern(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 134 |     pub fn is_direct(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 143 |     pub fn is_expansion(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 152 |     pub fn as_intern(&self) -> Option<&InternLocation> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 161 |     pub fn as_direct(&self) -> Option<&DirectLocation> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 170 |     pub fn as_expansion(&self) -> Option<&Vec<ExpansionLocation>> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 179 |     pub fn as_intern_mut(&mut self) -> Option<&mut InternLocation> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 197 |     pub fn as_expansion_mut(&mut self) -> Option<&mut Vec<ExpansionLocation>> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 206 |     pub fn get_intern(&self) -> &InternLocation {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 212 |     pub fn get_direct(&self) -> &DirectLocation {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 218 |     pub fn get_expansion(&self) -> &Vec<ExpansionLocation> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 225 |     pub fn get_intern_mut(&mut self) -> &mut InternLocation {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 232 |     pub fn get_direct_mut(&mut self) -> &mut DirectLocation {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 239 |     pub fn get_expansion_mut(&mut self) -> &mut Vec<ExpansionLocation> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `dump` is never used
[INFO] [stdout]    --> src/nl/core/object/mod.rs:103:12
[INFO] [stdout]     |
[INFO] [stdout] 52  | impl Object {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 103 |     pub fn dump(&self) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `to_bool`, `to_bool_obj`, and `set_bool` are never used
[INFO] [stdout]   --> src/nl/core/object/boolean.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 3  | impl Object {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn to_bool(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn to_bool_obj(&self) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub fn set_bool(&mut self, v: bool) -> &mut Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `char`, `as_char`, `to_char`, `to_char_obj`, `get_char`, and `set_char` are never used
[INFO] [stdout]   --> src/nl/core/object/character.rs:8:12
[INFO] [stdout]    |
[INFO] [stdout] 5  | impl Object {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 8  |     pub fn char(v: char) -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn as_char(&self) -> Option<char> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn to_char(&self) -> char {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     pub fn to_char_obj(&self) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 |     pub fn get_char(&self) -> char {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 91 |     pub fn set_char(&mut self, v: char) -> &mut Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `float`, `as_float`, `to_float`, `to_float_obj`, `get_float`, and `set_float` are never used
[INFO] [stdout]   --> src/nl/core/object/float.rs:6:12
[INFO] [stdout]    |
[INFO] [stdout] 3  | impl Object {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 6  |     pub fn float(v: f32) -> Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn as_float(&self) -> Option<f32> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn to_float(&self) -> f32 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn to_float_obj(&self) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub fn get_float(&self) -> f32 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |     pub fn set_float(&mut self, v: f32) -> &mut Self {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `integer`, `as_integer`, `to_integer`, `to_integer_obj`, `get_integer`, and `set_integer` are never used
[INFO] [stdout]   --> src/nl/core/object/integer.rs:6:12
[INFO] [stdout]    |
[INFO] [stdout] 3  | impl Object {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 6  |     pub fn integer(v: i32) -> Self {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn as_integer(&self) -> Option<i32> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn to_integer(&self) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn to_integer_obj(&self) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub fn get_integer(&self) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |     pub fn set_integer(&mut self, v: i32) -> &mut Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/nl/core/object/keyword.rs:6:12
[INFO] [stdout]    |
[INFO] [stdout] 3  | impl Object {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 6  |     pub fn keyword(v: String) -> Self {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn as_keyword(&self) -> Option<&String> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn as_keyword_mut(&mut self) -> Option<&mut String> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn to_keyword(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     pub fn to_keyword_obj(&self) -> Object {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub fn get_keyword(&self) -> &String {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 83 |     pub fn get_keyword_mut(&mut self) -> &mut String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |     pub fn set_keyword(&mut self, v: String) -> &mut Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `to_list`, `to_list_obj`, `get_list_mut`, and `set_list` are never used
[INFO] [stdout]   --> src/nl/core/object/list.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 3  | impl Object {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn to_list(&self) -> Vec<Self> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn to_list_obj(&self) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     pub fn get_list_mut(&mut self) -> &mut Vec<Self> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75 |     pub fn set_list(&mut self, v: Vec<Self>) -> &mut Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_nil` is never used
[INFO] [stdout]   --> src/nl/core/object/nil.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 3  | impl Object {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn set_nil(&mut self) -> &mut Self {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `as_string_mut`, `to_string`, `to_string_obj`, `get_string_mut`, and `set_string` are never used
[INFO] [stdout]   --> src/nl/core/object/string.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 3  | impl Object {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn as_string_mut(&mut self) -> Option<&mut String> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn to_string(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     pub fn to_string_obj(&self) -> Object {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 83 |     pub fn get_string_mut(&mut self) -> &mut String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |     pub fn set_string(&mut self, v: String) -> &mut Self {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `symbol`, `as_symbol_mut`, `to_symbol`, `to_symbol_obj`, `get_symbol_mut`, and `set_symbol` are never used
[INFO] [stdout]   --> src/nl/core/object/symbol.rs:6:12
[INFO] [stdout]    |
[INFO] [stdout] 3  | impl Object {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 6  |     pub fn symbol(v: String) -> Self {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn as_symbol_mut(&mut self) -> Option<&mut String> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn to_symbol(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     pub fn to_symbol_obj(&self) -> Object {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 83 |     pub fn get_symbol_mut(&mut self) -> &mut String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |     pub fn set_symbol(&mut self, v: String) -> &mut Self {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `MacroForm` is never constructed
[INFO] [stdout]   --> src/nl/interpreter/binding.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub enum Binding {
[INFO] [stdout]    |          ------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 39 |     MacroForm(CustomForm),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Inherit` is never constructed
[INFO] [stdout]  --> src/nl/interpreter/scope.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum Mode {
[INFO] [stdout]   |          ---- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 9 |     Inherit,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mode` is never read
[INFO] [stdout]   --> src/nl/interpreter/scope.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct ScopeLevel {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub mode: Mode,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `has_level`, `get_binding_mut`, and `set` are never used
[INFO] [stdout]    --> src/nl/interpreter/scope.rs:34:12
[INFO] [stdout]     |
[INFO] [stdout] 27  | impl Scope {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 34  |     pub fn has_level(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58  |     pub fn get_binding_mut(&mut self, name: &String) -> Option<&mut Binding> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 135 |     pub fn set(&mut self, name: String, binding: Binding) -> &mut Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/nl/interpreter/scope.rs:137:13
[INFO] [stdout]     |
[INFO] [stdout] 137 |             replace(self.get_binding_mut(&name).unwrap(), binding);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 137 |             let _ = replace(self.get_binding_mut(&name).unwrap(), binding);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_string_light` is never used
[INFO] [stdout]   --> src/nl/core/error.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Error {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 79 |     pub fn to_string_light(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `length` is never read
[INFO] [stdout]   --> src/nl/core/location.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct DirectLocation {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub length: usize,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DirectLocation` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Expansion` is never constructed
[INFO] [stdout]   --> src/nl/core/location.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub enum Location {
[INFO] [stdout]    |          -------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 82 |     Expansion(Vec<ExpansionLocation>),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Location` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/nl/core/location.rs:95:12
[INFO] [stdout]     |
[INFO] [stdout] 92  | impl Location {
[INFO] [stdout]     | ------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 95  |     pub fn new_empty() -> Location {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 116 |     pub fn is_none(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 125 |     pub fn is_intern(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 134 |     pub fn is_direct(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 143 |     pub fn is_expansion(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 152 |     pub fn as_intern(&self) -> Option<&InternLocation> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 161 |     pub fn as_direct(&self) -> Option<&DirectLocation> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 170 |     pub fn as_expansion(&self) -> Option<&Vec<ExpansionLocation>> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 179 |     pub fn as_intern_mut(&mut self) -> Option<&mut InternLocation> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 197 |     pub fn as_expansion_mut(&mut self) -> Option<&mut Vec<ExpansionLocation>> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 206 |     pub fn get_intern(&self) -> &InternLocation {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 212 |     pub fn get_direct(&self) -> &DirectLocation {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 218 |     pub fn get_expansion(&self) -> &Vec<ExpansionLocation> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 225 |     pub fn get_intern_mut(&mut self) -> &mut InternLocation {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 232 |     pub fn get_direct_mut(&mut self) -> &mut DirectLocation {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 239 |     pub fn get_expansion_mut(&mut self) -> &mut Vec<ExpansionLocation> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `dump` is never used
[INFO] [stdout]    --> src/nl/core/object/mod.rs:103:12
[INFO] [stdout]     |
[INFO] [stdout] 52  | impl Object {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 103 |     pub fn dump(&self) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `to_bool`, `to_bool_obj`, and `set_bool` are never used
[INFO] [stdout]   --> src/nl/core/object/boolean.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 3  | impl Object {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn to_bool(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn to_bool_obj(&self) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub fn set_bool(&mut self, v: bool) -> &mut Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `char`, `as_char`, `to_char`, `to_char_obj`, `get_char`, and `set_char` are never used
[INFO] [stdout]   --> src/nl/core/object/character.rs:8:12
[INFO] [stdout]    |
[INFO] [stdout] 5  | impl Object {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 8  |     pub fn char(v: char) -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn as_char(&self) -> Option<char> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn to_char(&self) -> char {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     pub fn to_char_obj(&self) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 |     pub fn get_char(&self) -> char {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 91 |     pub fn set_char(&mut self, v: char) -> &mut Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `float`, `as_float`, `to_float`, `to_float_obj`, `get_float`, and `set_float` are never used
[INFO] [stdout]   --> src/nl/core/object/float.rs:6:12
[INFO] [stdout]    |
[INFO] [stdout] 3  | impl Object {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 6  |     pub fn float(v: f32) -> Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn as_float(&self) -> Option<f32> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn to_float(&self) -> f32 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn to_float_obj(&self) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub fn get_float(&self) -> f32 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |     pub fn set_float(&mut self, v: f32) -> &mut Self {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `integer`, `as_integer`, `to_integer`, `to_integer_obj`, `get_integer`, and `set_integer` are never used
[INFO] [stdout]   --> src/nl/core/object/integer.rs:6:12
[INFO] [stdout]    |
[INFO] [stdout] 3  | impl Object {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 6  |     pub fn integer(v: i32) -> Self {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn as_integer(&self) -> Option<i32> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn to_integer(&self) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn to_integer_obj(&self) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub fn get_integer(&self) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |     pub fn set_integer(&mut self, v: i32) -> &mut Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/nl/core/object/keyword.rs:6:12
[INFO] [stdout]    |
[INFO] [stdout] 3  | impl Object {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 6  |     pub fn keyword(v: String) -> Self {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn as_keyword(&self) -> Option<&String> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn as_keyword_mut(&mut self) -> Option<&mut String> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn to_keyword(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     pub fn to_keyword_obj(&self) -> Object {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub fn get_keyword(&self) -> &String {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 83 |     pub fn get_keyword_mut(&mut self) -> &mut String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |     pub fn set_keyword(&mut self, v: String) -> &mut Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `to_list`, `to_list_obj`, `get_list_mut`, and `set_list` are never used
[INFO] [stdout]   --> src/nl/core/object/list.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 3  | impl Object {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn to_list(&self) -> Vec<Self> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn to_list_obj(&self) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     pub fn get_list_mut(&mut self) -> &mut Vec<Self> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75 |     pub fn set_list(&mut self, v: Vec<Self>) -> &mut Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_nil` is never used
[INFO] [stdout]   --> src/nl/core/object/nil.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 3  | impl Object {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn set_nil(&mut self) -> &mut Self {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `as_string_mut`, `to_string`, `to_string_obj`, `get_string_mut`, and `set_string` are never used
[INFO] [stdout]   --> src/nl/core/object/string.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 3  | impl Object {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn as_string_mut(&mut self) -> Option<&mut String> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn to_string(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     pub fn to_string_obj(&self) -> Object {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 83 |     pub fn get_string_mut(&mut self) -> &mut String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |     pub fn set_string(&mut self, v: String) -> &mut Self {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `symbol`, `as_symbol_mut`, `to_symbol`, `to_symbol_obj`, `get_symbol_mut`, and `set_symbol` are never used
[INFO] [stdout]   --> src/nl/core/object/symbol.rs:6:12
[INFO] [stdout]    |
[INFO] [stdout] 3  | impl Object {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 6  |     pub fn symbol(v: String) -> Self {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn as_symbol_mut(&mut self) -> Option<&mut String> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn to_symbol(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     pub fn to_symbol_obj(&self) -> Object {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 83 |     pub fn get_symbol_mut(&mut self) -> &mut String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |     pub fn set_symbol(&mut self, v: String) -> &mut Self {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `MacroForm` is never constructed
[INFO] [stdout]   --> src/nl/interpreter/binding.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub enum Binding {
[INFO] [stdout]    |          ------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 39 |     MacroForm(CustomForm),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Inherit` is never constructed
[INFO] [stdout]  --> src/nl/interpreter/scope.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum Mode {
[INFO] [stdout]   |          ---- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 9 |     Inherit,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mode` is never read
[INFO] [stdout]   --> src/nl/interpreter/scope.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct ScopeLevel {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub mode: Mode,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `has_level`, `get_binding_mut`, and `set` are never used
[INFO] [stdout]    --> src/nl/interpreter/scope.rs:34:12
[INFO] [stdout]     |
[INFO] [stdout] 27  | impl Scope {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 34  |     pub fn has_level(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58  |     pub fn get_binding_mut(&mut self, name: &String) -> Option<&mut Binding> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 135 |     pub fn set(&mut self, name: String, binding: Binding) -> &mut Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/nl/interpreter/scope.rs:137:13
[INFO] [stdout]     |
[INFO] [stdout] 137 |             replace(self.get_binding_mut(&name).unwrap(), binding);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 137 |             let _ = replace(self.get_binding_mut(&name).unwrap(), binding);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.82s
[INFO] running `Command { std: "docker" "inspect" "79d1ae60726ec1506d2a71a7fc0719b31d7cfa6e2514587f82e6bcbf8c97d7a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79d1ae60726ec1506d2a71a7fc0719b31d7cfa6e2514587f82e6bcbf8c97d7a3", kill_on_drop: false }`
[INFO] [stdout] 79d1ae60726ec1506d2a71a7fc0719b31d7cfa6e2514587f82e6bcbf8c97d7a3
