[INFO] cloning repository https://github.com/JD95/saffron-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JD95/saffron-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJD95%2Fsaffron-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJD95%2Fsaffron-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e4bff7d6b6b184d0907d3ad8ecaaf161a5b23c7a
[INFO] checking JD95/saffron-lang against try#5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db for pr-143717
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJD95%2Fsaffron-lang" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/JD95/saffron-lang
[INFO] finished tweaking git repo https://github.com/JD95/saffron-lang
[INFO] tweaked toml for git repo https://github.com/JD95/saffron-lang written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JD95/saffron-lang on toolchain 5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/JD95/saffron-lang 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" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] b5321b690443873322c8cb789e501f8ad41428e9ef3b32b39968fff04e7d98d3
[INFO] running `Command { std: "docker" "start" "-a" "b5321b690443873322c8cb789e501f8ad41428e9ef3b32b39968fff04e7d98d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5321b690443873322c8cb789e501f8ad41428e9ef3b32b39968fff04e7d98d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5321b690443873322c8cb789e501f8ad41428e9ef3b32b39968fff04e7d98d3", kill_on_drop: false }`
[INFO] [stdout] b5321b690443873322c8cb789e501f8ad41428e9ef3b32b39968fff04e7d98d3
[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" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6d6886d4dd8a6a3269381f92471e8223bce8db0757b357ca5b2a0004dcebea6
[INFO] running `Command { std: "docker" "start" "-a" "b6d6886d4dd8a6a3269381f92471e8223bce8db0757b357ca5b2a0004dcebea6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
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[INFO] [stderr]     Checking saffron-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::cell::Cell`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cell::Cell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::Cell`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cell::Cell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/parsing.rs:123:28
[INFO] [stdout]     |
[INFO] [stdout] 123 | pub fn parse_partial<'doc>(input: &Tokens<'doc>) -> Result<PartialExpr, ParseError> {
[INFO] [stdout]     |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `part`
[INFO] [stdout]    --> src/parsing.rs:147:28
[INFO] [stdout]     |
[INFO] [stdout] 147 | pub fn complete_expression(part: PartialExpr) -> Result<Expr, ParseError> {
[INFO] [stdout]     |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_part`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/main.rs:28:32
[INFO] [stdout]    |
[INFO] [stdout] 28 |     async fn initialize(&self, x: InitializeParams) -> Result<InitializeResult> {
[INFO] [stdout]    |                                ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `range`
[INFO] [stdout]   --> src/main.rs:73:26
[INFO] [stdout]    |
[INFO] [stdout] 73 |             if let (Some(range), Some(range_length)) = { (change.range, change.range_length) } {
[INFO] [stdout]    |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_range`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `range_length`
[INFO] [stdout]   --> src/main.rs:73:39
[INFO] [stdout]    |
[INFO] [stdout] 73 |             if let (Some(range), Some(range_length)) = { (change.range, change.range_length) } {
[INFO] [stdout]    |                                       ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_range_length`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/parsing.rs:123:28
[INFO] [stdout]     |
[INFO] [stdout] 123 | pub fn parse_partial<'doc>(input: &Tokens<'doc>) -> Result<PartialExpr, ParseError> {
[INFO] [stdout]     |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `part`
[INFO] [stdout]    --> src/parsing.rs:147:28
[INFO] [stdout]     |
[INFO] [stdout] 147 | pub fn complete_expression(part: PartialExpr) -> Result<Expr, ParseError> {
[INFO] [stdout]     |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_part`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/main.rs:28:32
[INFO] [stdout]    |
[INFO] [stdout] 28 |     async fn initialize(&self, x: InitializeParams) -> Result<InitializeResult> {
[INFO] [stdout]    |                                ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `range`
[INFO] [stdout]   --> src/main.rs:73:26
[INFO] [stdout]    |
[INFO] [stdout] 73 |             if let (Some(range), Some(range_length)) = { (change.range, change.range_length) } {
[INFO] [stdout]    |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_range`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `range_length`
[INFO] [stdout]   --> src/main.rs:73:39
[INFO] [stdout]    |
[INFO] [stdout] 73 |             if let (Some(range), Some(range_length)) = { (change.range, change.range_length) } {
[INFO] [stdout]    |                                       ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_range_length`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `parsing::Tokens<'doc>` is more private than the item `parse_partial`
[INFO] [stdout]    --> src/parsing.rs:123:1
[INFO] [stdout]     |
[INFO] [stdout] 123 | pub fn parse_partial<'doc>(input: &Tokens<'doc>) -> Result<PartialExpr, ParseError> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `parse_partial` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `parsing::Tokens<'doc>` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/parsing.rs:8:1
[INFO] [stdout]     |
[INFO] [stdout] 8   | struct Tokens<'doc> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `PartialExpr` is more private than the item `parse_partial`
[INFO] [stdout]    --> src/parsing.rs:123:1
[INFO] [stdout]     |
[INFO] [stdout] 123 | pub fn parse_partial<'doc>(input: &Tokens<'doc>) -> Result<PartialExpr, ParseError> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `parse_partial` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `PartialExpr` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/parsing.rs:118:1
[INFO] [stdout]     |
[INFO] [stdout] 118 | enum PartialExpr {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `PartialExpr` is more private than the item `combine_parts`
[INFO] [stdout]    --> src/parsing.rs:127:1
[INFO] [stdout]     |
[INFO] [stdout] 127 | / pub fn combine_parts(
[INFO] [stdout] 128 | |     left: Result<PartialExpr, Vec<ParseError>>, 
[INFO] [stdout] 129 | |     right: Result<&PartialExpr, Vec<ParseError>>
[INFO] [stdout] 130 | | ) -> Result<PartialExpr, Vec<ParseError>> {
[INFO] [stdout]     | |_________________________________________^ function `combine_parts` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `PartialExpr` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/parsing.rs:118:1
[INFO] [stdout]     |
[INFO] [stdout] 118 | enum PartialExpr {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `PartialExpr` is more private than the item `complete_expression`
[INFO] [stdout]    --> src/parsing.rs:147:1
[INFO] [stdout]     |
[INFO] [stdout] 147 | pub fn complete_expression(part: PartialExpr) -> Result<Expr, ParseError> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `complete_expression` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `PartialExpr` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/parsing.rs:118:1
[INFO] [stdout]     |
[INFO] [stdout] 118 | enum PartialExpr {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Expr` is more private than the item `complete_expression`
[INFO] [stdout]    --> src/parsing.rs:147:1
[INFO] [stdout]     |
[INFO] [stdout] 147 | pub fn complete_expression(part: PartialExpr) -> Result<Expr, ParseError> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `complete_expression` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `Expr` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/parsing.rs:143:1
[INFO] [stdout]     |
[INFO] [stdout] 143 | enum Expr {
[INFO] [stdout]     | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Expr` is more private than the item `parse_expr`
[INFO] [stdout]    --> src/parsing.rs:151:1
[INFO] [stdout]     |
[INFO] [stdout] 151 | pub fn parse_expr<'doc>(input: &'doc str) -> Result<Expr, ParseError> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `parse_expr` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `Expr` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/parsing.rs:143:1
[INFO] [stdout]     |
[INFO] [stdout] 143 | enum Expr {
[INFO] [stdout]     | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Value` is never used
[INFO] [stdout]   --> src/main.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum Value {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Module` is never constructed
[INFO] [stdout]   --> src/main.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct Module {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Tokens` is never constructed
[INFO] [stdout]  --> src/parsing.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Tokens<'doc> {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/parsing.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl <'doc> Tokens<'doc> {
[INFO] [stdout]    | ------------------------ associated function in this implementation
[INFO] [stdout] 14 |     fn new(offset: usize, tokens: Vec<Token<'doc>>) -> Tokens<'doc> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Partial` is never used
[INFO] [stdout]    --> src/parsing.rs:114:6
[INFO] [stdout]     |
[INFO] [stdout] 114 | enum Partial {
[INFO] [stdout]     |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PartialExpr` is never used
[INFO] [stdout]    --> src/parsing.rs:118:6
[INFO] [stdout]     |
[INFO] [stdout] 118 | enum PartialExpr {
[INFO] [stdout]     |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_partial` is never used
[INFO] [stdout]    --> src/parsing.rs:123:8
[INFO] [stdout]     |
[INFO] [stdout] 123 | pub fn parse_partial<'doc>(input: &Tokens<'doc>) -> Result<PartialExpr, ParseError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `combine_parts` is never used
[INFO] [stdout]    --> src/parsing.rs:127:8
[INFO] [stdout]     |
[INFO] [stdout] 127 | pub fn combine_parts(
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Expr` is never used
[INFO] [stdout]    --> src/parsing.rs:143:6
[INFO] [stdout]     |
[INFO] [stdout] 143 | enum Expr {
[INFO] [stdout]     |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `complete_expression` is never used
[INFO] [stdout]    --> src/parsing.rs:147:8
[INFO] [stdout]     |
[INFO] [stdout] 147 | pub fn complete_expression(part: PartialExpr) -> Result<Expr, ParseError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_expr` is never used
[INFO] [stdout]    --> src/parsing.rs:151:8
[INFO] [stdout]     |
[INFO] [stdout] 151 | pub fn parse_expr<'doc>(input: &'doc str) -> Result<Expr, ParseError> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/parsing.rs:96:24
[INFO] [stdout]    |
[INFO] [stdout] 96 | pub fn lex_line(input: &str) -> Result<Vec<Token>, ParseError> {
[INFO] [stdout]    |                        ^^^^                ----- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 96 | pub fn lex_line(input: &str) -> Result<Vec<Token<'_>>, ParseError> {
[INFO] [stdout]    |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `parsing::Tokens<'doc>` is more private than the item `parse_partial`
[INFO] [stdout]    --> src/parsing.rs:123:1
[INFO] [stdout]     |
[INFO] [stdout] 123 | pub fn parse_partial<'doc>(input: &Tokens<'doc>) -> Result<PartialExpr, ParseError> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `parse_partial` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `parsing::Tokens<'doc>` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/parsing.rs:8:1
[INFO] [stdout]     |
[INFO] [stdout] 8   | struct Tokens<'doc> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `PartialExpr` is more private than the item `parse_partial`
[INFO] [stdout]    --> src/parsing.rs:123:1
[INFO] [stdout]     |
[INFO] [stdout] 123 | pub fn parse_partial<'doc>(input: &Tokens<'doc>) -> Result<PartialExpr, ParseError> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `parse_partial` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `PartialExpr` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/parsing.rs:118:1
[INFO] [stdout]     |
[INFO] [stdout] 118 | enum PartialExpr {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `PartialExpr` is more private than the item `combine_parts`
[INFO] [stdout]    --> src/parsing.rs:127:1
[INFO] [stdout]     |
[INFO] [stdout] 127 | / pub fn combine_parts(
[INFO] [stdout] 128 | |     left: Result<PartialExpr, Vec<ParseError>>, 
[INFO] [stdout] 129 | |     right: Result<&PartialExpr, Vec<ParseError>>
[INFO] [stdout] 130 | | ) -> Result<PartialExpr, Vec<ParseError>> {
[INFO] [stdout]     | |_________________________________________^ function `combine_parts` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `PartialExpr` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/parsing.rs:118:1
[INFO] [stdout]     |
[INFO] [stdout] 118 | enum PartialExpr {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `PartialExpr` is more private than the item `complete_expression`
[INFO] [stdout]    --> src/parsing.rs:147:1
[INFO] [stdout]     |
[INFO] [stdout] 147 | pub fn complete_expression(part: PartialExpr) -> Result<Expr, ParseError> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `complete_expression` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `PartialExpr` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/parsing.rs:118:1
[INFO] [stdout]     |
[INFO] [stdout] 118 | enum PartialExpr {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Expr` is more private than the item `complete_expression`
[INFO] [stdout]    --> src/parsing.rs:147:1
[INFO] [stdout]     |
[INFO] [stdout] 147 | pub fn complete_expression(part: PartialExpr) -> Result<Expr, ParseError> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `complete_expression` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `Expr` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/parsing.rs:143:1
[INFO] [stdout]     |
[INFO] [stdout] 143 | enum Expr {
[INFO] [stdout]     | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Expr` is more private than the item `parse_expr`
[INFO] [stdout]    --> src/parsing.rs:151:1
[INFO] [stdout]     |
[INFO] [stdout] 151 | pub fn parse_expr<'doc>(input: &'doc str) -> Result<Expr, ParseError> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `parse_expr` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `Expr` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/parsing.rs:143:1
[INFO] [stdout]     |
[INFO] [stdout] 143 | enum Expr {
[INFO] [stdout]     | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Value` is never used
[INFO] [stdout]   --> src/main.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum Value {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Module` is never constructed
[INFO] [stdout]   --> src/main.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct Module {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Tokens` is never constructed
[INFO] [stdout]  --> src/parsing.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Tokens<'doc> {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/parsing.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl <'doc> Tokens<'doc> {
[INFO] [stdout]    | ------------------------ associated function in this implementation
[INFO] [stdout] 14 |     fn new(offset: usize, tokens: Vec<Token<'doc>>) -> Tokens<'doc> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Partial` is never used
[INFO] [stdout]    --> src/parsing.rs:114:6
[INFO] [stdout]     |
[INFO] [stdout] 114 | enum Partial {
[INFO] [stdout]     |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PartialExpr` is never used
[INFO] [stdout]    --> src/parsing.rs:118:6
[INFO] [stdout]     |
[INFO] [stdout] 118 | enum PartialExpr {
[INFO] [stdout]     |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_partial` is never used
[INFO] [stdout]    --> src/parsing.rs:123:8
[INFO] [stdout]     |
[INFO] [stdout] 123 | pub fn parse_partial<'doc>(input: &Tokens<'doc>) -> Result<PartialExpr, ParseError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `combine_parts` is never used
[INFO] [stdout]    --> src/parsing.rs:127:8
[INFO] [stdout]     |
[INFO] [stdout] 127 | pub fn combine_parts(
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Expr` is never used
[INFO] [stdout]    --> src/parsing.rs:143:6
[INFO] [stdout]     |
[INFO] [stdout] 143 | enum Expr {
[INFO] [stdout]     |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `complete_expression` is never used
[INFO] [stdout]    --> src/parsing.rs:147:8
[INFO] [stdout]     |
[INFO] [stdout] 147 | pub fn complete_expression(part: PartialExpr) -> Result<Expr, ParseError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_expr` is never used
[INFO] [stdout]    --> src/parsing.rs:151:8
[INFO] [stdout]     |
[INFO] [stdout] 151 | pub fn parse_expr<'doc>(input: &'doc str) -> Result<Expr, ParseError> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/parsing.rs:96:24
[INFO] [stdout]    |
[INFO] [stdout] 96 | pub fn lex_line(input: &str) -> Result<Vec<Token>, ParseError> {
[INFO] [stdout]    |                        ^^^^                ----- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 96 | pub fn lex_line(input: &str) -> Result<Vec<Token<'_>>, ParseError> {
[INFO] [stdout]    |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.04s
[INFO] running `Command { std: "docker" "inspect" "b6d6886d4dd8a6a3269381f92471e8223bce8db0757b357ca5b2a0004dcebea6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6d6886d4dd8a6a3269381f92471e8223bce8db0757b357ca5b2a0004dcebea6", kill_on_drop: false }`
[INFO] [stdout] b6d6886d4dd8a6a3269381f92471e8223bce8db0757b357ca5b2a0004dcebea6
