[INFO] cloning repository https://github.com/niccholaspage/rusty-lox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/niccholaspage/rusty-lox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fniccholaspage%2Frusty-lox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fniccholaspage%2Frusty-lox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 57e2b22c325d8931fbb84c5983ec16f2220e33b1
[INFO] checking niccholaspage/rusty-lox against try#901e6d56697c79b2e80df6a487b2318ec6f57ee3 for pr-142287
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fniccholaspage%2Frusty-lox" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/niccholaspage/rusty-lox on toolchain 901e6d56697c79b2e80df6a487b2318ec6f57ee3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/niccholaspage/rusty-lox
[INFO] finished tweaking git repo https://github.com/niccholaspage/rusty-lox
[INFO] tweaked toml for git repo https://github.com/niccholaspage/rusty-lox written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/niccholaspage/rusty-lox 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" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/19578b54838c1433b78f9ca12661b17a33e42f462b38cecbcce6386d517dd989-init: no space left on device
[INFO] checking niccholaspage/rusty-lox against try#901e6d56697c79b2e80df6a487b2318ec6f57ee3 for pr-142287
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fniccholaspage%2Frusty-lox" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/niccholaspage/rusty-lox on toolchain 901e6d56697c79b2e80df6a487b2318ec6f57ee3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/niccholaspage/rusty-lox
[INFO] finished tweaking git repo https://github.com/niccholaspage/rusty-lox
[INFO] tweaked toml for git repo https://github.com/niccholaspage/rusty-lox written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/niccholaspage/rusty-lox 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" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9d181a99daaeea50890a1fff7f3fb8879aa82dca6604322b599b4bd99e89796
[INFO] running `Command { std: "docker" "start" "-a" "f9d181a99daaeea50890a1fff7f3fb8879aa82dca6604322b599b4bd99e89796", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9d181a99daaeea50890a1fff7f3fb8879aa82dca6604322b599b4bd99e89796", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9d181a99daaeea50890a1fff7f3fb8879aa82dca6604322b599b4bd99e89796", kill_on_drop: false }`
[INFO] [stdout] f9d181a99daaeea50890a1fff7f3fb8879aa82dca6604322b599b4bd99e89796
[INFO] checking niccholaspage/rusty-lox against try#901e6d56697c79b2e80df6a487b2318ec6f57ee3 for pr-142287
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fniccholaspage%2Frusty-lox" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/niccholaspage/rusty-lox on toolchain 901e6d56697c79b2e80df6a487b2318ec6f57ee3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/niccholaspage/rusty-lox
[INFO] finished tweaking git repo https://github.com/niccholaspage/rusty-lox
[INFO] tweaked toml for git repo https://github.com/niccholaspage/rusty-lox written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/niccholaspage/rusty-lox 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" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8852ca2202f27e4fb18a1f577f63553888b78f8784223fbfd09260ea16d2714
[INFO] running `Command { std: "docker" "start" "-a" "f8852ca2202f27e4fb18a1f577f63553888b78f8784223fbfd09260ea16d2714", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8852ca2202f27e4fb18a1f577f63553888b78f8784223fbfd09260ea16d2714", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8852ca2202f27e4fb18a1f577f63553888b78f8784223fbfd09260ea16d2714", kill_on_drop: false }`
[INFO] [stdout] f8852ca2202f27e4fb18a1f577f63553888b78f8784223fbfd09260ea16d2714
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 506865cabcf4f20a819ac452912e3aab7a1202c374530d521c5e0baa23b8398e
[INFO] running `Command { std: "docker" "start" "-a" "506865cabcf4f20a819ac452912e3aab7a1202c374530d521c5e0baa23b8398e", kill_on_drop: false }`
[INFO] [stderr]     Checking typed-arena v2.0.1
[INFO] [stderr]     Checking rusty-lox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Visitor` is never used
[INFO] [stdout]  --> src/expr.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Visitor<R> {
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Visitor` is never used
[INFO] [stdout]  --> src/stmt.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Visitor<R> {
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/parser.rs:20:25
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn new(context: &RefCell<Context>, tokens: Vec<Token>) -> Parser {
[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] 20 |     pub fn new(context: &RefCell<Context>, tokens: Vec<Token>) -> Parser<'_> {
[INFO] [stdout]    |                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/parser.rs:28:19
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn parse(&'a mut self, arena: &'a Arena<Expr<'a>>) -> Option<Vec<Stmt>> {
[INFO] [stdout]    |                   ^^                   ^^            ^^                  ---- the lifetime gets resolved as `'a`
[INFO] [stdout]    |                   |                    |             |
[INFO] [stdout]    |                   |                    |             these lifetimes flow to the output
[INFO] [stdout]    |                   |                    these lifetimes flow to the output
[INFO] [stdout]    |                   these lifetimes flow to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn parse(&'a mut self, arena: &'a Arena<Expr<'a>>) -> Option<Vec<Stmt<'a>>> {
[INFO] [stdout]    |                                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/parser.rs:42:19
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn expression(&self, arena: &'a Arena<Expr<'a>>) -> Result<&'a Expr, ParseError> {
[INFO] [stdout]    |                   ^^^^^ this lifetime flows to the output          ---- the lifetime gets resolved as `'_`
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn expression(&self, arena: &'a Arena<Expr<'a>>) -> Result<&'a 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/parser.rs:46:21
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn declaration(&'a self, arena: &'a Arena<Expr<'a>>) -> Option<Stmt<'_>> {
[INFO] [stdout]    |                     ^^               ^^            ^^                   -- the lifetime gets resolved as `'a`
[INFO] [stdout]    |                     |                |             |
[INFO] [stdout]    |                     |                |             these lifetimes flow to the output
[INFO] [stdout]    |                     |                these lifetimes flow to the output
[INFO] [stdout]    |                     these lifetimes flow to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 46 -     fn declaration(&'a self, arena: &'a Arena<Expr<'a>>) -> Option<Stmt<'_>> {
[INFO] [stdout] 46 +     fn declaration(&'a self, arena: &'a Arena<Expr<'a>>) -> Option<Stmt<'a>> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/parser.rs:66:19
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn statement(&'a self, arena: &'a Arena<Expr<'a>>) -> Result<Stmt<'_>, ParseError> {
[INFO] [stdout]    |                   ^^               ^^            ^^                   -- the lifetime gets resolved as `'a`
[INFO] [stdout]    |                   |                |             |
[INFO] [stdout]    |                   |                |             these lifetimes flow to the output
[INFO] [stdout]    |                   |                these lifetimes flow to the output
[INFO] [stdout]    |                   these lifetimes flow to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 66 -     fn statement(&'a self, arena: &'a Arena<Expr<'a>>) -> Result<Stmt<'_>, ParseError> {
[INFO] [stdout] 66 +     fn statement(&'a self, arena: &'a Arena<Expr<'a>>) -> Result<Stmt<'a>, 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/parser.rs:78:25
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn print_statement(&'a self, arena: &'a Arena<Expr<'a>>) -> Result<Stmt<'_>, ParseError> {
[INFO] [stdout]    |                         ^^               ^^            ^^                   -- the lifetime gets resolved as `'a`
[INFO] [stdout]    |                         |                |             |
[INFO] [stdout]    |                         |                |             these lifetimes flow to the output
[INFO] [stdout]    |                         |                these lifetimes flow to the output
[INFO] [stdout]    |                         these lifetimes flow to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 78 -     fn print_statement(&'a self, arena: &'a Arena<Expr<'a>>) -> Result<Stmt<'_>, ParseError> {
[INFO] [stdout] 78 +     fn print_statement(&'a self, arena: &'a Arena<Expr<'a>>) -> Result<Stmt<'a>, 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/parser.rs:86:25
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn var_declaration(&'a self, arena: &'a Arena<Expr<'a>>) -> Result<Stmt<'_>, ParseError> {
[INFO] [stdout]    |                         ^^               ^^            ^^                   -- the lifetime gets resolved as `'a`
[INFO] [stdout]    |                         |                |             |
[INFO] [stdout]    |                         |                |             these lifetimes flow to the output
[INFO] [stdout]    |                         |                these lifetimes flow to the output
[INFO] [stdout]    |                         these lifetimes flow to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 86 -     fn var_declaration(&'a self, arena: &'a Arena<Expr<'a>>) -> Result<Stmt<'_>, ParseError> {
[INFO] [stdout] 86 +     fn var_declaration(&'a self, arena: &'a Arena<Expr<'a>>) -> Result<Stmt<'a>, 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/parser.rs:99:30
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn expression_statement(&'a self, arena: &'a Arena<Expr<'a>>) -> Result<Stmt<'_>, ParseError> {
[INFO] [stdout]    |                              ^^               ^^            ^^                   -- the lifetime gets resolved as `'a`
[INFO] [stdout]    |                              |                |             |
[INFO] [stdout]    |                              |                |             these lifetimes flow to the output
[INFO] [stdout]    |                              |                these lifetimes flow to the output
[INFO] [stdout]    |                              these lifetimes flow to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 99 -     fn expression_statement(&'a self, arena: &'a Arena<Expr<'a>>) -> Result<Stmt<'_>, ParseError> {
[INFO] [stdout] 99 +     fn expression_statement(&'a self, arena: &'a Arena<Expr<'a>>) -> Result<Stmt<'a>, 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/parser.rs:107:15
[INFO] [stdout]     |
[INFO] [stdout] 107 |     fn block(&'a self, arena: &'a Arena<Expr<'a>>) -> Result<Vec<Stmt<'_>>, ParseError> {
[INFO] [stdout]     |               ^^               ^^            ^^                       -- the lifetime gets resolved as `'a`
[INFO] [stdout]     |               |                |             |
[INFO] [stdout]     |               |                |             these lifetimes flow to the output
[INFO] [stdout]     |               |                these lifetimes flow to the output
[INFO] [stdout]     |               these lifetimes flow to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 107 -     fn block(&'a self, arena: &'a Arena<Expr<'a>>) -> Result<Vec<Stmt<'_>>, ParseError> {
[INFO] [stdout] 107 +     fn block(&'a self, arena: &'a Arena<Expr<'a>>) -> Result<Vec<Stmt<'a>>, 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/parser.rs:120:19
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn assignment(&self, arena: &'a Arena<Expr<'a>>) -> Result<&'a Expr, ParseError> {
[INFO] [stdout]     |                   ^^^^^ this lifetime flows to the output          ---- the lifetime gets resolved as `'_`
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn assignment(&self, arena: &'a Arena<Expr<'a>>) -> Result<&'a 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/parser.rs:137:17
[INFO] [stdout]     |
[INFO] [stdout] 137 |     fn equality(&self, arena: &'a Arena<Expr<'a>>) -> Result<&'a Expr, ParseError> {
[INFO] [stdout]     |                 ^^^^^ this lifetime flows to the output          ---- the lifetime gets resolved as `'_`
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 137 |     fn equality(&self, arena: &'a Arena<Expr<'a>>) -> Result<&'a 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/parser.rs:153:19
[INFO] [stdout]     |
[INFO] [stdout] 153 |     fn comparison(&self, arena: &'a Arena<Expr<'a>>) -> Result<&'a Expr, ParseError> {
[INFO] [stdout]     |                   ^^^^^ this lifetime flows to the output          ---- the lifetime gets resolved as `'_`
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 153 |     fn comparison(&self, arena: &'a Arena<Expr<'a>>) -> Result<&'a 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/parser.rs:174:13
[INFO] [stdout]     |
[INFO] [stdout] 174 |     fn term(&self, arena: &'a Arena<Expr<'a>>) -> Result<&'a Expr, ParseError> {
[INFO] [stdout]     |             ^^^^^ this lifetime flows to the output          ---- the lifetime gets resolved as `'_`
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 174 |     fn term(&self, arena: &'a Arena<Expr<'a>>) -> Result<&'a 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/parser.rs:190:15
[INFO] [stdout]     |
[INFO] [stdout] 190 |     fn factor(&self, arena: &'a Arena<Expr<'a>>) -> Result<&'a Expr, ParseError> {
[INFO] [stdout]     |               ^^^^^ this lifetime flows to the output          ---- the lifetime gets resolved as `'_`
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 190 |     fn factor(&self, arena: &'a Arena<Expr<'a>>) -> Result<&'a 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/parser.rs:206:14
[INFO] [stdout]     |
[INFO] [stdout] 206 |     fn unary(&self, arena: &'a Arena<Expr<'a>>) -> Result<&'a Expr, ParseError> {
[INFO] [stdout]     |              ^^^^^ this lifetime flows to the output          ---- the lifetime gets resolved as `'_`
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 206 |     fn unary(&self, arena: &'a Arena<Expr<'a>>) -> Result<&'a 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/parser.rs:219:16
[INFO] [stdout]     |
[INFO] [stdout] 219 |     fn primary(&self, arena: &'a Arena<Expr<'a>>) -> Result<&'a Expr, ParseError> {
[INFO] [stdout]     |                ^^^^^ this lifetime flows to the output          ---- the lifetime gets resolved as `'_`
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 219 |     fn primary(&self, arena: &'a Arena<Expr<'a>>) -> Result<&'a Expr<'_>, ParseError> {
[INFO] [stdout]     |                                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Visitor` is never used
[INFO] [stdout]  --> src/expr.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Visitor<R> {
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Visitor` is never used
[INFO] [stdout]  --> src/stmt.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Visitor<R> {
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/parser.rs:20:25
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn new(context: &RefCell<Context>, tokens: Vec<Token>) -> Parser {
[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] 20 |     pub fn new(context: &RefCell<Context>, tokens: Vec<Token>) -> Parser<'_> {
[INFO] [stdout]    |                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/parser.rs:28:19
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn parse(&'a mut self, arena: &'a Arena<Expr<'a>>) -> Option<Vec<Stmt>> {
[INFO] [stdout]    |                   ^^                   ^^            ^^                  ---- the lifetime gets resolved as `'a`
[INFO] [stdout]    |                   |                    |             |
[INFO] [stdout]    |                   |                    |             these lifetimes flow to the output
[INFO] [stdout]    |                   |                    these lifetimes flow to the output
[INFO] [stdout]    |                   these lifetimes flow to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn parse(&'a mut self, arena: &'a Arena<Expr<'a>>) -> Option<Vec<Stmt<'a>>> {
[INFO] [stdout]    |                                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/parser.rs:42:19
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn expression(&self, arena: &'a Arena<Expr<'a>>) -> Result<&'a Expr, ParseError> {
[INFO] [stdout]    |                   ^^^^^ this lifetime flows to the output          ---- the lifetime gets resolved as `'_`
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn expression(&self, arena: &'a Arena<Expr<'a>>) -> Result<&'a 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/parser.rs:46:21
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn declaration(&'a self, arena: &'a Arena<Expr<'a>>) -> Option<Stmt<'_>> {
[INFO] [stdout]    |                     ^^               ^^            ^^                   -- the lifetime gets resolved as `'a`
[INFO] [stdout]    |                     |                |             |
[INFO] [stdout]    |                     |                |             these lifetimes flow to the output
[INFO] [stdout]    |                     |                these lifetimes flow to the output
[INFO] [stdout]    |                     these lifetimes flow to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 46 -     fn declaration(&'a self, arena: &'a Arena<Expr<'a>>) -> Option<Stmt<'_>> {
[INFO] [stdout] 46 +     fn declaration(&'a self, arena: &'a Arena<Expr<'a>>) -> Option<Stmt<'a>> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/parser.rs:66:19
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn statement(&'a self, arena: &'a Arena<Expr<'a>>) -> Result<Stmt<'_>, ParseError> {
[INFO] [stdout]    |                   ^^               ^^            ^^                   -- the lifetime gets resolved as `'a`
[INFO] [stdout]    |                   |                |             |
[INFO] [stdout]    |                   |                |             these lifetimes flow to the output
[INFO] [stdout]    |                   |                these lifetimes flow to the output
[INFO] [stdout]    |                   these lifetimes flow to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 66 -     fn statement(&'a self, arena: &'a Arena<Expr<'a>>) -> Result<Stmt<'_>, ParseError> {
[INFO] [stdout] 66 +     fn statement(&'a self, arena: &'a Arena<Expr<'a>>) -> Result<Stmt<'a>, 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/parser.rs:78:25
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn print_statement(&'a self, arena: &'a Arena<Expr<'a>>) -> Result<Stmt<'_>, ParseError> {
[INFO] [stdout]    |                         ^^               ^^            ^^                   -- the lifetime gets resolved as `'a`
[INFO] [stdout]    |                         |                |             |
[INFO] [stdout]    |                         |                |             these lifetimes flow to the output
[INFO] [stdout]    |                         |                these lifetimes flow to the output
[INFO] [stdout]    |                         these lifetimes flow to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 78 -     fn print_statement(&'a self, arena: &'a Arena<Expr<'a>>) -> Result<Stmt<'_>, ParseError> {
[INFO] [stdout] 78 +     fn print_statement(&'a self, arena: &'a Arena<Expr<'a>>) -> Result<Stmt<'a>, 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/parser.rs:86:25
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn var_declaration(&'a self, arena: &'a Arena<Expr<'a>>) -> Result<Stmt<'_>, ParseError> {
[INFO] [stdout]    |                         ^^               ^^            ^^                   -- the lifetime gets resolved as `'a`
[INFO] [stdout]    |                         |                |             |
[INFO] [stdout]    |                         |                |             these lifetimes flow to the output
[INFO] [stdout]    |                         |                these lifetimes flow to the output
[INFO] [stdout]    |                         these lifetimes flow to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 86 -     fn var_declaration(&'a self, arena: &'a Arena<Expr<'a>>) -> Result<Stmt<'_>, ParseError> {
[INFO] [stdout] 86 +     fn var_declaration(&'a self, arena: &'a Arena<Expr<'a>>) -> Result<Stmt<'a>, 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/parser.rs:99:30
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn expression_statement(&'a self, arena: &'a Arena<Expr<'a>>) -> Result<Stmt<'_>, ParseError> {
[INFO] [stdout]    |                              ^^               ^^            ^^                   -- the lifetime gets resolved as `'a`
[INFO] [stdout]    |                              |                |             |
[INFO] [stdout]    |                              |                |             these lifetimes flow to the output
[INFO] [stdout]    |                              |                these lifetimes flow to the output
[INFO] [stdout]    |                              these lifetimes flow to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 99 -     fn expression_statement(&'a self, arena: &'a Arena<Expr<'a>>) -> Result<Stmt<'_>, ParseError> {
[INFO] [stdout] 99 +     fn expression_statement(&'a self, arena: &'a Arena<Expr<'a>>) -> Result<Stmt<'a>, 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/parser.rs:107:15
[INFO] [stdout]     |
[INFO] [stdout] 107 |     fn block(&'a self, arena: &'a Arena<Expr<'a>>) -> Result<Vec<Stmt<'_>>, ParseError> {
[INFO] [stdout]     |               ^^               ^^            ^^                       -- the lifetime gets resolved as `'a`
[INFO] [stdout]     |               |                |             |
[INFO] [stdout]     |               |                |             these lifetimes flow to the output
[INFO] [stdout]     |               |                these lifetimes flow to the output
[INFO] [stdout]     |               these lifetimes flow to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 107 -     fn block(&'a self, arena: &'a Arena<Expr<'a>>) -> Result<Vec<Stmt<'_>>, ParseError> {
[INFO] [stdout] 107 +     fn block(&'a self, arena: &'a Arena<Expr<'a>>) -> Result<Vec<Stmt<'a>>, 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/parser.rs:120:19
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn assignment(&self, arena: &'a Arena<Expr<'a>>) -> Result<&'a Expr, ParseError> {
[INFO] [stdout]     |                   ^^^^^ this lifetime flows to the output          ---- the lifetime gets resolved as `'_`
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn assignment(&self, arena: &'a Arena<Expr<'a>>) -> Result<&'a 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/parser.rs:137:17
[INFO] [stdout]     |
[INFO] [stdout] 137 |     fn equality(&self, arena: &'a Arena<Expr<'a>>) -> Result<&'a Expr, ParseError> {
[INFO] [stdout]     |                 ^^^^^ this lifetime flows to the output          ---- the lifetime gets resolved as `'_`
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 137 |     fn equality(&self, arena: &'a Arena<Expr<'a>>) -> Result<&'a 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/parser.rs:153:19
[INFO] [stdout]     |
[INFO] [stdout] 153 |     fn comparison(&self, arena: &'a Arena<Expr<'a>>) -> Result<&'a Expr, ParseError> {
[INFO] [stdout]     |                   ^^^^^ this lifetime flows to the output          ---- the lifetime gets resolved as `'_`
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 153 |     fn comparison(&self, arena: &'a Arena<Expr<'a>>) -> Result<&'a 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/parser.rs:174:13
[INFO] [stdout]     |
[INFO] [stdout] 174 |     fn term(&self, arena: &'a Arena<Expr<'a>>) -> Result<&'a Expr, ParseError> {
[INFO] [stdout]     |             ^^^^^ this lifetime flows to the output          ---- the lifetime gets resolved as `'_`
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 174 |     fn term(&self, arena: &'a Arena<Expr<'a>>) -> Result<&'a 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/parser.rs:190:15
[INFO] [stdout]     |
[INFO] [stdout] 190 |     fn factor(&self, arena: &'a Arena<Expr<'a>>) -> Result<&'a Expr, ParseError> {
[INFO] [stdout]     |               ^^^^^ this lifetime flows to the output          ---- the lifetime gets resolved as `'_`
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 190 |     fn factor(&self, arena: &'a Arena<Expr<'a>>) -> Result<&'a 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/parser.rs:206:14
[INFO] [stdout]     |
[INFO] [stdout] 206 |     fn unary(&self, arena: &'a Arena<Expr<'a>>) -> Result<&'a Expr, ParseError> {
[INFO] [stdout]     |              ^^^^^ this lifetime flows to the output          ---- the lifetime gets resolved as `'_`
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 206 |     fn unary(&self, arena: &'a Arena<Expr<'a>>) -> Result<&'a 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/parser.rs:219:16
[INFO] [stdout]     |
[INFO] [stdout] 219 |     fn primary(&self, arena: &'a Arena<Expr<'a>>) -> Result<&'a Expr, ParseError> {
[INFO] [stdout]     |                ^^^^^ this lifetime flows to the output          ---- the lifetime gets resolved as `'_`
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 219 |     fn primary(&self, arena: &'a Arena<Expr<'a>>) -> Result<&'a Expr<'_>, ParseError> {
[INFO] [stdout]     |                                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "506865cabcf4f20a819ac452912e3aab7a1202c374530d521c5e0baa23b8398e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "506865cabcf4f20a819ac452912e3aab7a1202c374530d521c5e0baa23b8398e", kill_on_drop: false }`
[INFO] [stdout] 506865cabcf4f20a819ac452912e3aab7a1202c374530d521c5e0baa23b8398e