[INFO] cloning repository https://github.com/qianxyz/rlox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qianxyz/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqianxyz%2Frlox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqianxyz%2Frlox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 67f9a0c2c028927fbe426697e6eeb6b09daf62c9
[INFO] checking qianxyz/rlox against try#c4ca24658d934444a28db36abebef17a8651701a for pr-144156
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqianxyz%2Frlox" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/qianxyz/rlox
[INFO] finished tweaking git repo https://github.com/qianxyz/rlox
[INFO] tweaked toml for git repo https://github.com/qianxyz/rlox written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/qianxyz/rlox on toolchain c4ca24658d934444a28db36abebef17a8651701a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c4ca24658d934444a28db36abebef17a8651701a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/qianxyz/rlox 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" "+c4ca24658d934444a28db36abebef17a8651701a" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+c4ca24658d934444a28db36abebef17a8651701a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f14121a216264bff4a3d54e694d83ebb350f762c0b6cd54b5072e654914a482
[INFO] running `Command { std: "docker" "start" "-a" "5f14121a216264bff4a3d54e694d83ebb350f762c0b6cd54b5072e654914a482", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f14121a216264bff4a3d54e694d83ebb350f762c0b6cd54b5072e654914a482", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f14121a216264bff4a3d54e694d83ebb350f762c0b6cd54b5072e654914a482", kill_on_drop: false }`
[INFO] [stdout] 5f14121a216264bff4a3d54e694d83ebb350f762c0b6cd54b5072e654914a482
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+c4ca24658d934444a28db36abebef17a8651701a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 349b3aad0987600fbd8aa13698fdd61e5aa573fded516c5f56bfdd91762e286e
[INFO] running `Command { std: "docker" "start" "-a" "349b3aad0987600fbd8aa13698fdd61e5aa573fded516c5f56bfdd91762e286e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.83
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling thiserror v1.0.61
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.65
[INFO] [stderr]    Compiling thiserror-impl v1.0.61
[INFO] [stderr]     Checking rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `type_`, `lexeme`, and `line` are never read
[INFO] [stdout]   --> src/token.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Token {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 28 |     type_: TokenType,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 29 |     lexeme: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 30 |     line: usize,
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `type_`, `lexeme`, and `line` are never read
[INFO] [stdout]   --> src/token.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Token {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 28 |     type_: TokenType,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 29 |     lexeme: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 30 |     line: usize,
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.58s
[INFO] running `Command { std: "docker" "inspect" "349b3aad0987600fbd8aa13698fdd61e5aa573fded516c5f56bfdd91762e286e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "349b3aad0987600fbd8aa13698fdd61e5aa573fded516c5f56bfdd91762e286e", kill_on_drop: false }`
[INFO] [stdout] 349b3aad0987600fbd8aa13698fdd61e5aa573fded516c5f56bfdd91762e286e