[INFO] cloning repository https://github.com/YJH16120/rlox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/YJH16120/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYJH16120%2Frlox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYJH16120%2Frlox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a8d4f7c14b8ae28e58ec99013363038cbcc488e2
[INFO] checking YJH16120/rlox against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYJH16120%2Frlox" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/YJH16120/rlox on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/YJH16120/rlox
[INFO] finished tweaking git repo https://github.com/YJH16120/rlox
[INFO] tweaked toml for git repo https://github.com/YJH16120/rlox written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/YJH16120/rlox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 481ecbdda056f49557e269f6ac1dfe9f04d29083342d2238c2e18ba770f0e3ae
[INFO] running `Command { std: "docker" "start" "-a" "481ecbdda056f49557e269f6ac1dfe9f04d29083342d2238c2e18ba770f0e3ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "481ecbdda056f49557e269f6ac1dfe9f04d29083342d2238c2e18ba770f0e3ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "481ecbdda056f49557e269f6ac1dfe9f04d29083342d2238c2e18ba770f0e3ae", kill_on_drop: false }`
[INFO] [stdout] 481ecbdda056f49557e269f6ac1dfe9f04d29083342d2238c2e18ba770f0e3ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d621f22aedb229d1f91ca2c07e7fce4dd63906bf631a0eb953cbb84e86c561c
[INFO] running `Command { std: "docker" "start" "-a" "4d621f22aedb229d1f91ca2c07e7fce4dd63906bf631a0eb953cbb84e86c561c", kill_on_drop: false }`
[INFO] [stderr]     Checking lox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `eol`
[INFO] [stdout]    --> src/scanner.rs:150:8
[INFO] [stdout]     |
[INFO] [stdout] 150 |     fn eol(&self) -> bool {
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Whitespace`
[INFO] [stdout]   --> src/token_kind.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     Whitespace,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Eof`
[INFO] [stdout]   --> src/token_kind.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Eof,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eol`
[INFO] [stdout]    --> src/scanner.rs:150:8
[INFO] [stdout]     |
[INFO] [stdout] 150 |     fn eol(&self) -> bool {
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Whitespace`
[INFO] [stdout]   --> src/token_kind.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     Whitespace,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Eof`
[INFO] [stdout]   --> src/token_kind.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Eof,
[INFO] [stdout]    |     ^^^
[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 0.30s
[INFO] running `Command { std: "docker" "inspect" "4d621f22aedb229d1f91ca2c07e7fce4dd63906bf631a0eb953cbb84e86c561c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d621f22aedb229d1f91ca2c07e7fce4dd63906bf631a0eb953cbb84e86c561c", kill_on_drop: false }`
[INFO] [stdout] 4d621f22aedb229d1f91ca2c07e7fce4dd63906bf631a0eb953cbb84e86c561c