[INFO] cloning repository https://github.com/rabingaire/rlox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rabingaire/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frabingaire%2Frlox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frabingaire%2Frlox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e02be91a432de7369387be1219727550574013ff
[INFO] checking rabingaire/rlox against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frabingaire%2Frlox" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rabingaire/rlox on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rabingaire/rlox
[INFO] finished tweaking git repo https://github.com/rabingaire/rlox
[INFO] tweaked toml for git repo https://github.com/rabingaire/rlox written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/rabingaire/rlox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37b4420734a312b673428f857aa32bf829bec48e3586122a630d0b64ae569b27
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "37b4420734a312b673428f857aa32bf829bec48e3586122a630d0b64ae569b27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37b4420734a312b673428f857aa32bf829bec48e3586122a630d0b64ae569b27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37b4420734a312b673428f857aa32bf829bec48e3586122a630d0b64ae569b27", kill_on_drop: false }`
[INFO] [stdout] 37b4420734a312b673428f857aa32bf829bec48e3586122a630d0b64ae569b27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f763f5a2ae466f6fcec4d25a4651cac74b93ff48dd78e6ca8e6fc33b2dd82c18
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f763f5a2ae466f6fcec4d25a4651cac74b93ff48dd78e6ca8e6fc33b2dd82c18", kill_on_drop: false }`
[INFO] [stderr]     Checking rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `INTERPRET_COMPILE_ERROR`
[INFO] [stdout]  --> src/vm.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 7 |   INTERPRET_COMPILE_ERROR,
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `INTERPRET_RUNTIME_ERROR`
[INFO] [stdout]  --> src/vm.rs:8:3
[INFO] [stdout]   |
[INFO] [stdout] 8 |   INTERPRET_RUNTIME_ERROR,
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `chunk`
[INFO] [stdout]   --> src/vm.rs:12:3
[INFO] [stdout]    |
[INFO] [stdout] 12 |   chunk: chunk::Chunk,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `INTERPRET_COMPILE_ERROR`
[INFO] [stdout]  --> src/vm.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 7 |   INTERPRET_COMPILE_ERROR,
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `INTERPRET_RUNTIME_ERROR`
[INFO] [stdout]  --> src/vm.rs:8:3
[INFO] [stdout]   |
[INFO] [stdout] 8 |   INTERPRET_RUNTIME_ERROR,
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `chunk`
[INFO] [stdout]   --> src/vm.rs:12:3
[INFO] [stdout]    |
[INFO] [stdout] 12 |   chunk: chunk::Chunk,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "f763f5a2ae466f6fcec4d25a4651cac74b93ff48dd78e6ca8e6fc33b2dd82c18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f763f5a2ae466f6fcec4d25a4651cac74b93ff48dd78e6ca8e6fc33b2dd82c18", kill_on_drop: false }`
[INFO] [stdout] f763f5a2ae466f6fcec4d25a4651cac74b93ff48dd78e6ca8e6fc33b2dd82c18