[INFO] cloning repository https://github.com/Owl-Boy/dragon-compiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Owl-Boy/dragon-compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOwl-Boy%2Fdragon-compiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOwl-Boy%2Fdragon-compiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] de3237b4d91dcc0c9f25b9d397eb3e3c532eef81
[INFO] checking Owl-Boy/dragon-compiler against 6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa for pr-159356
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOwl-Boy%2Fdragon-compiler" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Owl-Boy/dragon-compiler
[INFO] finished tweaking git repo https://github.com/Owl-Boy/dragon-compiler
[INFO] tweaked toml for git repo https://github.com/Owl-Boy/dragon-compiler written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Owl-Boy/dragon-compiler on toolchain 6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Owl-Boy/dragon-compiler 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" "+6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c36f533e8924a726b63f9d01e781fa8c8c28c96d1d595403829afb31452ee0f5" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 68c2f62ea44f10ffc88600a22fc029539c85783c15240baf8877015551d8626a
[INFO] running `Command { std: "docker" "start" "68c2f62ea44f10ffc88600a22fc029539c85783c15240baf8877015551d8626a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68c2f62ea44f10ffc88600a22fc029539c85783c15240baf8877015551d8626a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "68c2f62ea44f10ffc88600a22fc029539c85783c15240baf8877015551d8626a" "/opt/rustwide/cargo-home/bin/cargo" "+6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68c2f62ea44f10ffc88600a22fc029539c85783c15240baf8877015551d8626a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "68c2f62ea44f10ffc88600a22fc029539c85783c15240baf8877015551d8626a" "/opt/rustwide/cargo-home/bin/cargo" "+6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking dragon_compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Lexer` is never constructed
[INFO] [stdout]  --> src/lexer.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Lexer {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `reserve`, `new`, and `scan` are never used
[INFO] [stdout]   --> src/lexer.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Lexer {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 12 |     fn reserve(&mut self, word: Token, idx: String) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     fn scan<T: io::Read>(&mut self, mut buf: T) -> io::Result<Token> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NUM_CHARS` is never used
[INFO] [stdout]   --> src/types.rs:40:11
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub const NUM_CHARS: &str = "1234567890_";
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NUM_START` is never used
[INFO] [stdout]   --> src/types.rs:41:11
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub const NUM_START: &str = "1234567890";
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `VAR_CHARS` is never used
[INFO] [stdout]   --> src/types.rs:42:11
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub const VAR_CHARS: &str = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890_";
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `VAR_START` is never used
[INFO] [stdout]   --> src/types.rs:43:11
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub const VAR_START: &str =  "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz_";
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `WHITE_SPACES` is never used
[INFO] [stdout]   --> src/types.rs:44:11
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub const WHITE_SPACES: &str = " \n\r";
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SYMBOL_CHARS` is never used
[INFO] [stdout]   --> src/types.rs:45:11
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub const SYMBOL_CHARS: &str = "\\/!@#$%^&*?~<>=";
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Token` is never used
[INFO] [stdout]   --> src/types.rs:48:10
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub enum Token {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `STRING` is never constructed
[INFO] [stdout]   --> src/types.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub enum Token {
[INFO] [stdout]    |          ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 52 |     STRING(String),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "68c2f62ea44f10ffc88600a22fc029539c85783c15240baf8877015551d8626a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68c2f62ea44f10ffc88600a22fc029539c85783c15240baf8877015551d8626a", kill_on_drop: false }`
[INFO] [stdout] 68c2f62ea44f10ffc88600a22fc029539c85783c15240baf8877015551d8626a
