[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] testing rabingaire/rlox against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frabingaire%2Frlox" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rabingaire/rlox on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-4/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3458895a84608b22fbffe280d8d086984fef71b4f0794cb28f7de35ff27ed3ad
[INFO] running `Command { std: "docker" "start" "-a" "3458895a84608b22fbffe280d8d086984fef71b4f0794cb28f7de35ff27ed3ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3458895a84608b22fbffe280d8d086984fef71b4f0794cb28f7de35ff27ed3ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3458895a84608b22fbffe280d8d086984fef71b4f0794cb28f7de35ff27ed3ad", kill_on_drop: false }`
[INFO] [stdout] 3458895a84608b22fbffe280d8d086984fef71b4f0794cb28f7de35ff27ed3ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86db3857affd8b9f3d6b631b3e2cfddaac452cd9455ed9a98c362be9ddd08cc2
[INFO] running `Command { std: "docker" "start" "-a" "86db3857affd8b9f3d6b631b3e2cfddaac452cd9455ed9a98c362be9ddd08cc2", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "86db3857affd8b9f3d6b631b3e2cfddaac452cd9455ed9a98c362be9ddd08cc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86db3857affd8b9f3d6b631b3e2cfddaac452cd9455ed9a98c362be9ddd08cc2", kill_on_drop: false }`
[INFO] [stdout] 86db3857affd8b9f3d6b631b3e2cfddaac452cd9455ed9a98c362be9ddd08cc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15e6fb03c7e1f851146ce7ef2a4f0cfe7c767bd42e286e2967ba0f4202976f2f
[INFO] running `Command { std: "docker" "start" "-a" "15e6fb03c7e1f851146ce7ef2a4f0cfe7c767bd42e286e2967ba0f4202976f2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "15e6fb03c7e1f851146ce7ef2a4f0cfe7c767bd42e286e2967ba0f4202976f2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15e6fb03c7e1f851146ce7ef2a4f0cfe7c767bd42e286e2967ba0f4202976f2f", kill_on_drop: false }`
[INFO] [stdout] 15e6fb03c7e1f851146ce7ef2a4f0cfe7c767bd42e286e2967ba0f4202976f2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4ff9a73ab3f6fad350a54430752d6c005704e0b89b7f4ae587d15cb9eca64b2a
[INFO] running `Command { std: "docker" "start" "-a" "4ff9a73ab3f6fad350a54430752d6c005704e0b89b7f4ae587d15cb9eca64b2a", kill_on_drop: false }`
[INFO] [stderr] warning: variant is never constructed: `INTERPRET_COMPILE_ERROR`
[INFO] [stderr]  --> src/vm.rs:7:3
[INFO] [stderr]   |
[INFO] [stderr] 7 |   INTERPRET_COMPILE_ERROR,
[INFO] [stderr]   |   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `INTERPRET_RUNTIME_ERROR`
[INFO] [stderr]  --> src/vm.rs:8:3
[INFO] [stderr]   |
[INFO] [stderr] 8 |   INTERPRET_RUNTIME_ERROR,
[INFO] [stderr]   |   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `chunk`
[INFO] [stderr]   --> src/vm.rs:12:3
[INFO] [stderr]    |
[INFO] [stderr] 12 |   chunk: chunk::Chunk,
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rlox-e9713d41df9db77c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4ff9a73ab3f6fad350a54430752d6c005704e0b89b7f4ae587d15cb9eca64b2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ff9a73ab3f6fad350a54430752d6c005704e0b89b7f4ae587d15cb9eca64b2a", kill_on_drop: false }`
[INFO] [stdout] 4ff9a73ab3f6fad350a54430752d6c005704e0b89b7f4ae587d15cb9eca64b2a