[INFO] cloning repository https://github.com/awj/jlox_tree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/awj/jlox_tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fawj%2Fjlox_tree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fawj%2Fjlox_tree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a4495246f0864386d07b5e28c4abce87ceb13945
[INFO] testing awj/jlox_tree against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_in_2025-retry-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fawj%2Fjlox_tree" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/awj/jlox_tree
[INFO] finished tweaking git repo https://github.com/awj/jlox_tree
[INFO] tweaked toml for git repo https://github.com/awj/jlox_tree written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/awj/jlox_tree on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/awj/jlox_tree 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82ec0d553ddb4b38e610817f81583b10ce82b55e3cb54499fd374b8d432a8620
[INFO] running `Command { std: "docker" "start" "-a" "82ec0d553ddb4b38e610817f81583b10ce82b55e3cb54499fd374b8d432a8620", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82ec0d553ddb4b38e610817f81583b10ce82b55e3cb54499fd374b8d432a8620", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82ec0d553ddb4b38e610817f81583b10ce82b55e3cb54499fd374b8d432a8620", kill_on_drop: false }`
[INFO] [stdout] 82ec0d553ddb4b38e610817f81583b10ce82b55e3cb54499fd374b8d432a8620
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 706844592f8bf5e9e9fbcdfd60a25cc5774eae32cc555b2dd2149113c13ca303
[INFO] running `Command { std: "docker" "start" "-a" "706844592f8bf5e9e9fbcdfd60a25cc5774eae32cc555b2dd2149113c13ca303", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling jlox_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::grammar::Visitor`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::grammar::Visitor;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token.rs:37:14
[INFO] [stdout]    |
[INFO] [stdout] 37 |   Identifier(String),
[INFO] [stdout]    |   ---------- ^^^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Literal` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 37 -   Identifier(String),
[INFO] [stdout] 37 +   Identifier(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token.rs:38:10
[INFO] [stdout]    |
[INFO] [stdout] 38 |   String(String),
[INFO] [stdout]    |   ------ ^^^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Literal` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 38 -   String(String),
[INFO] [stdout] 38 +   String(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token.rs:39:10
[INFO] [stdout]    |
[INFO] [stdout] 39 |   Number(f32)
[INFO] [stdout]    |   ------ ^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Literal` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 39 -   Number(f32)
[INFO] [stdout] 39 +   Number(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_s` is never used
[INFO] [stdout]   --> src/token.rs:43:10
[INFO] [stdout]    |
[INFO] [stdout] 42 | impl Literal {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] 43 |   pub fn to_s(&self) -> String {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `line` is never read
[INFO] [stdout]   --> src/token.rs:93:7
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub struct Token {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 93 |   pub line: usize
[INFO] [stdout]    |       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `has_errors` and `nonliteral_token` are never used
[INFO] [stdout]   --> src/scanner.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Scanner {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 38 |     fn has_errors(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     fn nonliteral_token(&mut self, token_type: TokenType) -> Token {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Visitor` is never used
[INFO] [stdout]  --> src/grammar.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Visitor<'a, X: 'a> {
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AstPrinter` is never constructed
[INFO] [stdout]  --> src/grammar.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct AstPrinter {}
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Expr` is never used
[INFO] [stdout]   --> src/grammar.rs:28:10
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub enum Expr<'a> {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |         run(&line.trim());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let _ = run(&line.trim());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "706844592f8bf5e9e9fbcdfd60a25cc5774eae32cc555b2dd2149113c13ca303", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "706844592f8bf5e9e9fbcdfd60a25cc5774eae32cc555b2dd2149113c13ca303", kill_on_drop: false }`
[INFO] [stdout] 706844592f8bf5e9e9fbcdfd60a25cc5774eae32cc555b2dd2149113c13ca303
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 3a03638975692594fe4f677fb2e486f84e123076c55e3f2a8e9cf4b6038b57ca
[INFO] running `Command { std: "docker" "start" "-a" "3a03638975692594fe4f677fb2e486f84e123076c55e3f2a8e9cf4b6038b57ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling jlox_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::grammar::Visitor`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::grammar::Visitor;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token.rs:37:14
[INFO] [stdout]    |
[INFO] [stdout] 37 |   Identifier(String),
[INFO] [stdout]    |   ---------- ^^^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Literal` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 37 -   Identifier(String),
[INFO] [stdout] 37 +   Identifier(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token.rs:38:10
[INFO] [stdout]    |
[INFO] [stdout] 38 |   String(String),
[INFO] [stdout]    |   ------ ^^^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Literal` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 38 -   String(String),
[INFO] [stdout] 38 +   String(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token.rs:39:10
[INFO] [stdout]    |
[INFO] [stdout] 39 |   Number(f32)
[INFO] [stdout]    |   ------ ^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Literal` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 39 -   Number(f32)
[INFO] [stdout] 39 +   Number(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_s` is never used
[INFO] [stdout]   --> src/token.rs:43:10
[INFO] [stdout]    |
[INFO] [stdout] 42 | impl Literal {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] 43 |   pub fn to_s(&self) -> String {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `line` is never read
[INFO] [stdout]   --> src/token.rs:93:7
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub struct Token {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 93 |   pub line: usize
[INFO] [stdout]    |       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `has_errors` and `nonliteral_token` are never used
[INFO] [stdout]   --> src/scanner.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Scanner {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 38 |     fn has_errors(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     fn nonliteral_token(&mut self, token_type: TokenType) -> Token {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Visitor` is never used
[INFO] [stdout]  --> src/grammar.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Visitor<'a, X: 'a> {
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AstPrinter` is never constructed
[INFO] [stdout]  --> src/grammar.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct AstPrinter {}
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Expr` is never used
[INFO] [stdout]   --> src/grammar.rs:28:10
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub enum Expr<'a> {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |         run(&line.trim());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let _ = run(&line.trim());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "3a03638975692594fe4f677fb2e486f84e123076c55e3f2a8e9cf4b6038b57ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a03638975692594fe4f677fb2e486f84e123076c55e3f2a8e9cf4b6038b57ca", kill_on_drop: false }`
[INFO] [stdout] 3a03638975692594fe4f677fb2e486f84e123076c55e3f2a8e9cf4b6038b57ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 85bd501887dc0e33b12257f5da59a0138785e0089d404e65dc62ae6499a09dac
[INFO] running `Command { std: "docker" "start" "-a" "85bd501887dc0e33b12257f5da59a0138785e0089d404e65dc62ae6499a09dac", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::grammar::Visitor`
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use crate::grammar::Visitor;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/token.rs:37:14
[INFO] [stderr]    |
[INFO] [stderr] 37 |   Identifier(String),
[INFO] [stderr]    |   ---------- ^^^^^^
[INFO] [stderr]    |   |
[INFO] [stderr]    |   field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Literal` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 37 -   Identifier(String),
[INFO] [stderr] 37 +   Identifier(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/token.rs:38:10
[INFO] [stderr]    |
[INFO] [stderr] 38 |   String(String),
[INFO] [stderr]    |   ------ ^^^^^^
[INFO] [stderr]    |   |
[INFO] [stderr]    |   field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Literal` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 38 -   String(String),
[INFO] [stderr] 38 +   String(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/token.rs:39:10
[INFO] [stderr]    |
[INFO] [stderr] 39 |   Number(f32)
[INFO] [stderr]    |   ------ ^^^
[INFO] [stderr]    |   |
[INFO] [stderr]    |   field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Literal` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 39 -   Number(f32)
[INFO] [stderr] 39 +   Number(())
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: method `to_s` is never used
[INFO] [stderr]   --> src/token.rs:43:10
[INFO] [stderr]    |
[INFO] [stderr] 42 | impl Literal {
[INFO] [stderr]    | ------------ method in this implementation
[INFO] [stderr] 43 |   pub fn to_s(&self) -> String {
[INFO] [stderr]    |          ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `line` is never read
[INFO] [stderr]   --> src/token.rs:93:7
[INFO] [stderr]    |
[INFO] [stderr] 89 | pub struct Token {
[INFO] [stderr]    |            ----- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 93 |   pub line: usize
[INFO] [stderr]    |       ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: methods `has_errors` and `nonliteral_token` are never used
[INFO] [stderr]   --> src/scanner.rs:38:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | impl Scanner {
[INFO] [stderr]    | ------------ methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 38 |     fn has_errors(&self) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 42 |     fn nonliteral_token(&mut self, token_type: TokenType) -> Token {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Visitor` is never used
[INFO] [stderr]  --> src/grammar.rs:3:11
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub trait Visitor<'a, X: 'a> {
[INFO] [stderr]   |           ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `AstPrinter` is never constructed
[INFO] [stderr]  --> src/grammar.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct AstPrinter {}
[INFO] [stderr]   |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Expr` is never used
[INFO] [stderr]   --> src/grammar.rs:28:10
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub enum Expr<'a> {
[INFO] [stderr]    |          ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 |         run(&line.trim());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 74 |         let _ = run(&line.trim());
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `jlox_tree` (bin "jlox_tree" test) generated 11 warnings (run `cargo fix --bin "jlox_tree" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/jlox_tree-1c5c61f6bd811cbf)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "85bd501887dc0e33b12257f5da59a0138785e0089d404e65dc62ae6499a09dac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85bd501887dc0e33b12257f5da59a0138785e0089d404e65dc62ae6499a09dac", kill_on_drop: false }`
[INFO] [stdout] 85bd501887dc0e33b12257f5da59a0138785e0089d404e65dc62ae6499a09dac