[INFO] cloning repository https://github.com/thepolm3/crafting-interpreters
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thepolm3/crafting-interpreters" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthepolm3%2Fcrafting-interpreters", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthepolm3%2Fcrafting-interpreters'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d0fc923c739f8efdd21b88892e9af341293b4d7b
[INFO] testing thepolm3/crafting-interpreters against 1.86.0 for beta-1.87-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthepolm3%2Fcrafting-interpreters" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thepolm3/crafting-interpreters on toolchain 1.86.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/thepolm3/crafting-interpreters
[INFO] finished tweaking git repo https://github.com/thepolm3/crafting-interpreters
[INFO] tweaked toml for git repo https://github.com/thepolm3/crafting-interpreters written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/thepolm3/crafting-interpreters 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" "+1.86.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a29e10d766ff4413a4f26274010e49240d108e4b86ff4fc93cdb0e424d576723
[INFO] running `Command { std: "docker" "start" "-a" "a29e10d766ff4413a4f26274010e49240d108e4b86ff4fc93cdb0e424d576723", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a29e10d766ff4413a4f26274010e49240d108e4b86ff4fc93cdb0e424d576723", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a29e10d766ff4413a4f26274010e49240d108e4b86ff4fc93cdb0e424d576723", kill_on_drop: false }`
[INFO] [stdout] a29e10d766ff4413a4f26274010e49240d108e4b86ff4fc93cdb0e424d576723
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e316faee4385404a41b81688b88a853361608d54c21cb27f8baf56f37438bab0
[INFO] running `Command { std: "docker" "start" "-a" "e316faee4385404a41b81688b88a853361608d54c21cb27f8baf56f37438bab0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling colorchoice v1.0.2
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling anstyle v1.0.8
[INFO] [stderr]    Compiling anstyle-query v1.1.1
[INFO] [stderr]    Compiling clap_lex v0.7.2
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling anstyle-parse v0.2.5
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling anstream v0.6.15
[INFO] [stderr]    Compiling clap_builder v4.5.11
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling clap_derive v4.5.11
[INFO] [stderr]    Compiling clap v4.5.11
[INFO] [stderr]    Compiling crafting-interpreters v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::ast::Children`
[INFO] [stdout]  --> src/parser.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::ast::Children;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::token::Token::*`
[INFO] [stdout]  --> src/parser.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::token::Token::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stream`
[INFO] [stdout]  --> src/parser.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let stream = stream.peekable();
[INFO] [stdout]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `None`, `One`, and `Two` are never constructed
[INFO] [stdout]  --> src/ast.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Children {
[INFO] [stdout]   |          -------- variants in this enum
[INFO] [stdout] 6 |     None,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 7 |     One(Box<AST>),
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 8 |     Two(Box<AST>, Box<AST>),
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `error` is never used
[INFO] [stdout]  --> src/error.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn error(line: usize, message: &str) {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `report` is never used
[INFO] [stdout]  --> src/error.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn report(line: usize, location: &str, message: &str) {
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `construct` is never used
[INFO] [stdout]  --> src/parser.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn construct<'a>(stream: impl Iterator<Item = Token>) -> AST {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_float_char` is never used
[INFO] [stdout]    --> src/scanner.rs:165:8
[INFO] [stdout]     |
[INFO] [stdout] 165 | pub fn is_float_char(c: char) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token.rs:26:16
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Identifier(String),
[INFO] [stdout]    |     ---------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[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] 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] 26 -     Identifier(String),
[INFO] [stdout] 26 +     Identifier(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     String(String),
[INFO] [stdout]    |     ------ ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[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] 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] 27 -     String(String),
[INFO] [stdout] 27 +     String(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     Number(f64),
[INFO] [stdout]    |     ------ ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[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] 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] 28 -     Number(f64),
[INFO] [stdout] 28 +     Number(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `line` is never read
[INFO] [stdout]   --> src/token.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub struct TrackedToken {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 50 |     token: Token,
[INFO] [stdout] 51 |     line: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TrackedToken` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.13s
[INFO] running `Command { std: "docker" "inspect" "e316faee4385404a41b81688b88a853361608d54c21cb27f8baf56f37438bab0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e316faee4385404a41b81688b88a853361608d54c21cb27f8baf56f37438bab0", kill_on_drop: false }`
[INFO] [stdout] e316faee4385404a41b81688b88a853361608d54c21cb27f8baf56f37438bab0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23b7a3b8e74fbdfa56e4250a6526e6e4196409680fddc90c01a5c7189b64b2ca
[INFO] running `Command { std: "docker" "start" "-a" "23b7a3b8e74fbdfa56e4250a6526e6e4196409680fddc90c01a5c7189b64b2ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling crafting-interpreters v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::ast::Children`
[INFO] [stdout]  --> src/parser.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::ast::Children;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::token::Token::*`
[INFO] [stdout]  --> src/parser.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::token::Token::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stream`
[INFO] [stdout]  --> src/parser.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let stream = stream.peekable();
[INFO] [stdout]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `None`, `One`, and `Two` are never constructed
[INFO] [stdout]  --> src/ast.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Children {
[INFO] [stdout]   |          -------- variants in this enum
[INFO] [stdout] 6 |     None,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 7 |     One(Box<AST>),
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 8 |     Two(Box<AST>, Box<AST>),
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `error` is never used
[INFO] [stdout]  --> src/error.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn error(line: usize, message: &str) {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `report` is never used
[INFO] [stdout]  --> src/error.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn report(line: usize, location: &str, message: &str) {
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `construct` is never used
[INFO] [stdout]  --> src/parser.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn construct<'a>(stream: impl Iterator<Item = Token>) -> AST {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_float_char` is never used
[INFO] [stdout]    --> src/scanner.rs:165:8
[INFO] [stdout]     |
[INFO] [stdout] 165 | pub fn is_float_char(c: char) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token.rs:26:16
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Identifier(String),
[INFO] [stdout]    |     ---------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[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] 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] 26 -     Identifier(String),
[INFO] [stdout] 26 +     Identifier(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     String(String),
[INFO] [stdout]    |     ------ ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[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] 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] 27 -     String(String),
[INFO] [stdout] 27 +     String(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     Number(f64),
[INFO] [stdout]    |     ------ ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[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] 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] 28 -     Number(f64),
[INFO] [stdout] 28 +     Number(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `line` is never read
[INFO] [stdout]   --> src/token.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub struct TrackedToken {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 50 |     token: Token,
[INFO] [stdout] 51 |     line: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TrackedToken` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "23b7a3b8e74fbdfa56e4250a6526e6e4196409680fddc90c01a5c7189b64b2ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23b7a3b8e74fbdfa56e4250a6526e6e4196409680fddc90c01a5c7189b64b2ca", kill_on_drop: false }`
[INFO] [stdout] 23b7a3b8e74fbdfa56e4250a6526e6e4196409680fddc90c01a5c7189b64b2ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e513b9f791f01774578b15ef7b6fbb0ceb6ac7f88e2a3b1780f513ee7ea319f7
[INFO] running `Command { std: "docker" "start" "-a" "e513b9f791f01774578b15ef7b6fbb0ceb6ac7f88e2a3b1780f513ee7ea319f7", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::ast::Children`
[INFO] [stderr]  --> src/parser.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::ast::Children;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::token::Token::*`
[INFO] [stderr]  --> src/parser.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::token::Token::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stream`
[INFO] [stderr]  --> src/parser.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let stream = stream.peekable();
[INFO] [stderr]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variants `None`, `One`, and `Two` are never constructed
[INFO] [stderr]  --> src/ast.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub enum Children {
[INFO] [stderr]   |          -------- variants in this enum
[INFO] [stderr] 6 |     None,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 7 |     One(Box<AST>),
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 8 |     Two(Box<AST>, Box<AST>),
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `error` is never used
[INFO] [stderr]  --> src/error.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn error(line: usize, message: &str) {
[INFO] [stderr]   |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `report` is never used
[INFO] [stderr]  --> src/error.rs:5:4
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn report(line: usize, location: &str, message: &str) {
[INFO] [stderr]   |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `construct` is never used
[INFO] [stderr]  --> src/parser.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn construct<'a>(stream: impl Iterator<Item = Token>) -> AST {
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `is_float_char` is never used
[INFO] [stderr]    --> src/scanner.rs:165:8
[INFO] [stderr]     |
[INFO] [stderr] 165 | pub fn is_float_char(c: char) -> bool {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/token.rs:26:16
[INFO] [stderr]    |
[INFO] [stderr] 26 |     Identifier(String),
[INFO] [stderr]    |     ---------- ^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[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] 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] 26 -     Identifier(String),
[INFO] [stderr] 26 +     Identifier(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/token.rs:27:12
[INFO] [stderr]    |
[INFO] [stderr] 27 |     String(String),
[INFO] [stderr]    |     ------ ^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[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] 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] 27 -     String(String),
[INFO] [stderr] 27 +     String(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/token.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 28 |     Number(f64),
[INFO] [stderr]    |     ------ ^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[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] 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] 28 -     Number(f64),
[INFO] [stderr] 28 +     Number(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `line` is never read
[INFO] [stderr]   --> src/token.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 49 | pub struct TrackedToken {
[INFO] [stderr]    |            ------------ field in this struct
[INFO] [stderr] 50 |     token: Token,
[INFO] [stderr] 51 |     line: usize,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `TrackedToken` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `crafting-interpreters` (bin "crafting-interpreters" test) generated 12 warnings (run `cargo fix --bin "crafting-interpreters" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/crafting_interpreters-e43be85443616332)
[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" "e513b9f791f01774578b15ef7b6fbb0ceb6ac7f88e2a3b1780f513ee7ea319f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e513b9f791f01774578b15ef7b6fbb0ceb6ac7f88e2a3b1780f513ee7ea319f7", kill_on_drop: false }`
[INFO] [stdout] e513b9f791f01774578b15ef7b6fbb0ceb6ac7f88e2a3b1780f513ee7ea319f7