[INFO] cloning repository https://github.com/jsimmons/lax
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jsimmons/lax" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsimmons%2Flax", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsimmons%2Flax'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae45d665069be19186dbe18227670e74989c07b4
[INFO] checking jsimmons/lax against master#406e03fd02faf5cc8409a8b6b04c26990d6227e6 for pr-101437
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsimmons%2Flax" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jsimmons/lax on toolchain 406e03fd02faf5cc8409a8b6b04c26990d6227e6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+406e03fd02faf5cc8409a8b6b04c26990d6227e6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jsimmons/lax
[INFO] finished tweaking git repo https://github.com/jsimmons/lax
[INFO] tweaked toml for git repo https://github.com/jsimmons/lax written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/jsimmons/lax already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+406e03fd02faf5cc8409a8b6b04c26990d6227e6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fast-float v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+406e03fd02faf5cc8409a8b6b04c26990d6227e6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8ea8507a89daef41fae3c0b4c796791c8c5c1c5fc8a2834a0b6a4a3e8e7431e
[INFO] running `Command { std: "docker" "start" "-a" "d8ea8507a89daef41fae3c0b4c796791c8c5c1c5fc8a2834a0b6a4a3e8e7431e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8ea8507a89daef41fae3c0b4c796791c8c5c1c5fc8a2834a0b6a4a3e8e7431e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8ea8507a89daef41fae3c0b4c796791c8c5c1c5fc8a2834a0b6a4a3e8e7431e", kill_on_drop: false }`
[INFO] [stdout] d8ea8507a89daef41fae3c0b4c796791c8c5c1c5fc8a2834a0b6a4a3e8e7431e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+406e03fd02faf5cc8409a8b6b04c26990d6227e6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72d1d05766ccf37839fa059a0e53d0b0c20d0d714fb7b9ebd36a9ab0e37fc7f9
[INFO] running `Command { std: "docker" "start" "-a" "72d1d05766ccf37839fa059a0e53d0b0c20d0d714fb7b9ebd36a9ab0e37fc7f9", kill_on_drop: false }`
[INFO] [stderr]     Checking fast-float v0.2.0
[INFO] [stderr]     Checking lax v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `had_error` is never used
[INFO] [stdout]   --> src/main.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn had_error(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `had_error` is never used
[INFO] [stdout]   --> src/main.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn had_error(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `run_file` is never used
[INFO] [stdout]   --> src/main.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn run_file(path: &Path) -> std::io::Result<()> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `run_file` is never used
[INFO] [stdout]   --> src/main.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn run_file(path: &Path) -> std::io::Result<()> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `lexeme` and `line` are never read
[INFO] [stdout]   --> src/scanner.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub struct Token<'text> {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 58 |     token_type: TokenType<'text>,
[INFO] [stdout] 59 |     lexeme: &'text [u8],
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 60 |     line: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `lexeme` and `line` are never read
[INFO] [stdout]   --> src/scanner.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub struct Token<'text> {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 58 |     token_type: TokenType<'text>,
[INFO] [stdout] 59 |     lexeme: &'text [u8],
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 60 |     line: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "72d1d05766ccf37839fa059a0e53d0b0c20d0d714fb7b9ebd36a9ab0e37fc7f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72d1d05766ccf37839fa059a0e53d0b0c20d0d714fb7b9ebd36a9ab0e37fc7f9", kill_on_drop: false }`
[INFO] [stdout] 72d1d05766ccf37839fa059a0e53d0b0c20d0d714fb7b9ebd36a9ab0e37fc7f9