[INFO] cloning repository https://github.com/DavidGoldman/rlox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DavidGoldman/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDavidGoldman%2Frlox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDavidGoldman%2Frlox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 632a0638b7a6c3af505ff90f1c8a7b7200d1b97a
[INFO] testing DavidGoldman/rlox against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDavidGoldman%2Frlox" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DavidGoldman/rlox on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DavidGoldman/rlox
[INFO] finished tweaking git repo https://github.com/DavidGoldman/rlox
[INFO] tweaked toml for git repo https://github.com/DavidGoldman/rlox written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/DavidGoldman/rlox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aaac4518721ff55d7a6d4ccf164922b3d5ff50d998569f2d672ce26a6506e5b7
[INFO] running `Command { std: "docker" "start" "-a" "aaac4518721ff55d7a6d4ccf164922b3d5ff50d998569f2d672ce26a6506e5b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aaac4518721ff55d7a6d4ccf164922b3d5ff50d998569f2d672ce26a6506e5b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaac4518721ff55d7a6d4ccf164922b3d5ff50d998569f2d672ce26a6506e5b7", kill_on_drop: false }`
[INFO] [stdout] aaac4518721ff55d7a6d4ccf164922b3d5ff50d998569f2d672ce26a6506e5b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15ab935d8c4afd6693eaa11afd88775772a07a89ef6dbda2b0e2dcb8e2926cb4
[INFO] running `Command { std: "docker" "start" "-a" "15ab935d8c4afd6693eaa11afd88775772a07a89ef6dbda2b0e2dcb8e2926cb4", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling string-interner v0.12.2
[INFO] [stderr]    Compiling rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `String`
[INFO] [stdout]   --> src/vm/value.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     String(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.53s
[INFO] running `Command { std: "docker" "inspect" "15ab935d8c4afd6693eaa11afd88775772a07a89ef6dbda2b0e2dcb8e2926cb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15ab935d8c4afd6693eaa11afd88775772a07a89ef6dbda2b0e2dcb8e2926cb4", kill_on_drop: false }`
[INFO] [stdout] 15ab935d8c4afd6693eaa11afd88775772a07a89ef6dbda2b0e2dcb8e2926cb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 630be133a018330e571451b1620ee735733e13bbd3d2e3d08c85b0c148034a77
[INFO] running `Command { std: "docker" "start" "-a" "630be133a018330e571451b1620ee735733e13bbd3d2e3d08c85b0c148034a77", kill_on_drop: false }`
[INFO] [stderr]    Compiling rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `String`
[INFO] [stdout]   --> src/vm/value.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     String(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "630be133a018330e571451b1620ee735733e13bbd3d2e3d08c85b0c148034a77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "630be133a018330e571451b1620ee735733e13bbd3d2e3d08c85b0c148034a77", kill_on_drop: false }`
[INFO] [stdout] 630be133a018330e571451b1620ee735733e13bbd3d2e3d08c85b0c148034a77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 94e852c34be12772ee441c337b54a51ce991a4e9575dd34ca87b2d6619075298
[INFO] running `Command { std: "docker" "start" "-a" "94e852c34be12772ee441c337b54a51ce991a4e9575dd34ca87b2d6619075298", kill_on_drop: false }`
[INFO] [stderr] warning: variant is never constructed: `String`
[INFO] [stderr]   --> src/vm/value.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     String(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rlox` (bin "rlox" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rlox-18fa59169b4566a5)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test syntax::scanner::tests::scans_token_types ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "94e852c34be12772ee441c337b54a51ce991a4e9575dd34ca87b2d6619075298", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94e852c34be12772ee441c337b54a51ce991a4e9575dd34ca87b2d6619075298", kill_on_drop: false }`
[INFO] [stdout] 94e852c34be12772ee441c337b54a51ce991a4e9575dd34ca87b2d6619075298