[INFO] cloning repository https://github.com/scileo/lysbeth
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/scileo/lysbeth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscileo%2Flysbeth", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscileo%2Flysbeth'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 66cdd6db76a669a4e2594d84093b060e9c8878e9
[INFO] checking scileo/lysbeth against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscileo%2Flysbeth" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/scileo/lysbeth on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/scileo/lysbeth
[INFO] finished tweaking git repo https://github.com/scileo/lysbeth
[INFO] tweaked toml for git repo https://github.com/scileo/lysbeth written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/scileo/lysbeth already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--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 utf8parse v0.2.0
[INFO] [stderr]   Downloaded rustyline v6.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a76e690528b1f9f91bbcb6cc22e831e8186d349d0c255b520820b0d86cd6942e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a76e690528b1f9f91bbcb6cc22e831e8186d349d0c255b520820b0d86cd6942e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a76e690528b1f9f91bbcb6cc22e831e8186d349d0c255b520820b0d86cd6942e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a76e690528b1f9f91bbcb6cc22e831e8186d349d0c255b520820b0d86cd6942e", kill_on_drop: false }`
[INFO] [stdout] a76e690528b1f9f91bbcb6cc22e831e8186d349d0c255b520820b0d86cd6942e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e576f4fa2ee0a0991b6f5a5bb0c59f7d86da5563d8dead488acafbcec190bc7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5e576f4fa2ee0a0991b6f5a5bb0c59f7d86da5563d8dead488acafbcec190bc7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling anyhow v1.0.28
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking rustyline v6.1.2
[INFO] [stderr]     Checking lysbeth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `Expr`
[INFO] [stdout]  --> src/expr.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Expr {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `ExprItem`
[INFO] [stdout]   --> src/expr.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum ExprItem {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next_line`
[INFO] [stdout]   --> src/parsing/context.rs:21:19
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub(crate) fn next_line(&self) -> Position {
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_trace`
[INFO] [stdout]   --> src/parsing/result.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn with_trace<F: FnOnce() -> Rc<dyn Cause>>(self, f: F) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Success`
[INFO] [stdout]    --> src/parsing/result.rs:119:5
[INFO] [stdout]     |
[INFO] [stdout] 119 |     Success,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Recoverable`
[INFO] [stdout]    --> src/parsing/result.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout] 121 |     Recoverable,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Unrecoverable`
[INFO] [stdout]    --> src/parsing/result.rs:123:5
[INFO] [stdout]     |
[INFO] [stdout] 123 |     Unrecoverable,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_trace`
[INFO] [stdout]    --> src/parsing/result.rs:181:12
[INFO] [stdout]     |
[INFO] [stdout] 181 |     pub fn with_trace<F: FnOnce() -> Rc<dyn Cause>>(mut self, f: F) -> ParsingResult<'a, T> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_success`
[INFO] [stdout]    --> src/parsing/result.rs:192:12
[INFO] [stdout]     |
[INFO] [stdout] 192 |     pub fn is_success(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_recoverable`
[INFO] [stdout]    --> src/parsing/result.rs:199:12
[INFO] [stdout]     |
[INFO] [stdout] 199 |     pub fn is_recoverable(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_unrecoverable`
[INFO] [stdout]    --> src/parsing/result.rs:206:12
[INFO] [stdout]     |
[INFO] [stdout] 206 |     pub fn is_unrecoverable(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `state`
[INFO] [stdout]    --> src/parsing/result.rs:235:12
[INFO] [stdout]     |
[INFO] [stdout] 235 |     pub fn state(&self) -> ParsingResultState {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `id_top_level`
[INFO] [stdout]   --> src/parsing/symbols.rs:28:10
[INFO] [stdout]    |
[INFO] [stdout] 28 | const fn id_top_level(id: usize) -> Id<Top> {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `id_variable`
[INFO] [stdout]   --> src/parsing/symbols.rs:36:10
[INFO] [stdout]    |
[INFO] [stdout] 36 | const fn id_variable(id: usize) -> Id<Var> {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `top_level`
[INFO] [stdout]   --> src/parsing/symbols.rs:73:14
[INFO] [stdout]    |
[INFO] [stdout] 73 |     const fn top_level(id: usize) -> SymbolRef {
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `variable`
[INFO] [stdout]   --> src/parsing/symbols.rs:78:14
[INFO] [stdout]    |
[INFO] [stdout] 78 |     const fn variable(id: usize) -> SymbolRef {
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/parsing/symbols.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn new() -> SymbolTable {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `child`
[INFO] [stdout]    --> src/parsing/symbols.rs:125:8
[INFO] [stdout]     |
[INFO] [stdout] 125 |     fn child(&mut self) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `child_of`
[INFO] [stdout]    --> src/parsing/symbols.rs:130:8
[INFO] [stdout]     |
[INFO] [stdout] 130 |     fn child_of(mut st: Self) -> Self {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `father`
[INFO] [stdout]    --> src/parsing/symbols.rs:140:8
[INFO] [stdout]     |
[INFO] [stdout] 140 |     fn father(&mut self) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `father_of`
[INFO] [stdout]    --> src/parsing/symbols.rs:150:8
[INFO] [stdout]     |
[INFO] [stdout] 150 |     fn father_of(mut st: Self) -> Option<Self> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_root`
[INFO] [stdout]    --> src/parsing/symbols.rs:163:8
[INFO] [stdout]     |
[INFO] [stdout] 163 |     fn is_root(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_symbol`
[INFO] [stdout]    --> src/parsing/symbols.rs:170:8
[INFO] [stdout]     |
[INFO] [stdout] 170 |     fn add_symbol(&mut self, name: &str, id: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]    --> src/parsing/symbols.rs:183:8
[INFO] [stdout]     |
[INFO] [stdout] 183 |     fn get(&self, name: &str) -> Option<SymbolRef> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_or_toplevel`
[INFO] [stdout]    --> src/parsing/symbols.rs:201:8
[INFO] [stdout]     |
[INFO] [stdout] 201 |     fn get_or_toplevel(&self, name: &str, replacement_id: usize) -> (SymbolRef, bool) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_function`
[INFO] [stdout]    --> src/parsing/symbols.rs:211:8
[INFO] [stdout]     |
[INFO] [stdout] 211 |     fn add_function(&mut self, name: &str, id: Id<Top>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_variable`
[INFO] [stdout]    --> src/parsing/symbols.rs:223:8
[INFO] [stdout]     |
[INFO] [stdout] 223 |     fn add_variable(&mut self, name: &str, id: Id<Var>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/parsing/symbols.rs:244:8
[INFO] [stdout]     |
[INFO] [stdout] 244 |     fn new() -> ReferenceMap {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push_top_level`
[INFO] [stdout]    --> src/parsing/symbols.rs:252:8
[INFO] [stdout]     |
[INFO] [stdout] 252 |     fn push_top_level(&mut self, symbol: &str) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push_variables`
[INFO] [stdout]    --> src/parsing/symbols.rs:258:8
[INFO] [stdout]     |
[INFO] [stdout] 258 |     fn push_variables(&mut self, symbol: &str) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_top_level`
[INFO] [stdout]    --> src/parsing/symbols.rs:265:8
[INFO] [stdout]     |
[INFO] [stdout] 265 |     fn add_top_level(&mut self, symbol: &str) -> Id<Top> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_top_level_wrapped`
[INFO] [stdout]    --> src/parsing/symbols.rs:273:8
[INFO] [stdout]     |
[INFO] [stdout] 273 |     fn add_top_level_wrapped(&mut self, symbol: &str) -> SymbolRef {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_variable`
[INFO] [stdout]    --> src/parsing/symbols.rs:280:8
[INFO] [stdout]     |
[INFO] [stdout] 280 |     fn add_variable(&mut self, symbol: &str) -> Id<Var> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_variable_wrapped`
[INFO] [stdout]    --> src/parsing/symbols.rs:288:8
[INFO] [stdout]     |
[INFO] [stdout] 288 |     fn add_variable_wrapped(&mut self, symbol: &str) -> SymbolRef {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next_tl_id`
[INFO] [stdout]    --> src/parsing/symbols.rs:294:8
[INFO] [stdout]     |
[INFO] [stdout] 294 |     fn next_tl_id(&self) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next_var_id`
[INFO] [stdout]    --> src/parsing/symbols.rs:299:8
[INFO] [stdout]     |
[INFO] [stdout] 299 |     fn next_var_id(&self) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/parsing/symbols.rs:314:8
[INFO] [stdout]     |
[INFO] [stdout] 314 |     fn new() -> FunctionDeps {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_vec`
[INFO] [stdout]    --> src/parsing/symbols.rs:319:8
[INFO] [stdout]     |
[INFO] [stdout] 319 |     fn from_vec(deps: Vec<usize>) -> FunctionDeps {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mark_as_defined`
[INFO] [stdout]    --> src/parsing/symbols.rs:327:8
[INFO] [stdout]     |
[INFO] [stdout] 327 |     fn mark_as_defined(&mut self, id: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_usable`
[INFO] [stdout]    --> src/parsing/symbols.rs:343:8
[INFO] [stdout]     |
[INFO] [stdout] 343 |     fn is_usable(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `FunctionState`
[INFO] [stdout]    --> src/parsing/symbols.rs:371:6
[INFO] [stdout]     |
[INFO] [stdout] 371 | enum FunctionState {
[INFO] [stdout]     |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `empty`
[INFO] [stdout]    --> src/parsing/symbols.rs:394:8
[INFO] [stdout]     |
[INFO] [stdout] 394 |     fn empty() -> Context {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_function`
[INFO] [stdout]    --> src/parsing/symbols.rs:413:8
[INFO] [stdout]     |
[INFO] [stdout] 413 |     fn new_function<'a, A: Iterator<Item = &'a str>>(
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reference_of`
[INFO] [stdout]    --> src/parsing/symbols.rs:442:8
[INFO] [stdout]     |
[INFO] [stdout] 442 |     fn reference_of(&mut self, name: &str) -> SymbolRef {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `step_back`
[INFO] [stdout]    --> src/parsing/symbols.rs:460:8
[INFO] [stdout]     |
[INFO] [stdout] 460 |     fn step_back(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Value`
[INFO] [stdout]   --> src/value.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub enum Value {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Lambda`
[INFO] [stdout]   --> src/value.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Lambda;
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 47 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Expr`
[INFO] [stdout]  --> src/expr.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Expr {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `ExprItem`
[INFO] [stdout]   --> src/expr.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum ExprItem {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `FunctionState`
[INFO] [stdout]    --> src/parsing/symbols.rs:371:6
[INFO] [stdout]     |
[INFO] [stdout] 371 | enum FunctionState {
[INFO] [stdout]     |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Value`
[INFO] [stdout]   --> src/value.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub enum Value {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Lambda`
[INFO] [stdout]   --> src/value.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Lambda;
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.53s
[INFO] running `Command { std: "docker" "inspect" "5e576f4fa2ee0a0991b6f5a5bb0c59f7d86da5563d8dead488acafbcec190bc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e576f4fa2ee0a0991b6f5a5bb0c59f7d86da5563d8dead488acafbcec190bc7", kill_on_drop: false }`
[INFO] [stdout] 5e576f4fa2ee0a0991b6f5a5bb0c59f7d86da5563d8dead488acafbcec190bc7