[INFO] cloning repository https://github.com/frustak/parlox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/frustak/parlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrustak%2Fparlox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrustak%2Fparlox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3fc28461b7e9cfae6156a0b107390f2d9d469ec1
[INFO] testing frustak/parlox against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrustak%2Fparlox" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/frustak/parlox on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/frustak/parlox
[INFO] finished tweaking git repo https://github.com/frustak/parlox
[INFO] tweaked toml for git repo https://github.com/frustak/parlox written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/frustak/parlox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 87dc29482be748301cd20586020a652204a3190adbea7cffeefde386bd0c2d27
[INFO] running `Command { std: "docker" "start" "-a" "87dc29482be748301cd20586020a652204a3190adbea7cffeefde386bd0c2d27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87dc29482be748301cd20586020a652204a3190adbea7cffeefde386bd0c2d27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87dc29482be748301cd20586020a652204a3190adbea7cffeefde386bd0c2d27", kill_on_drop: false }`
[INFO] [stdout] 87dc29482be748301cd20586020a652204a3190adbea7cffeefde386bd0c2d27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d81f9bbbb2d939ce01ef37fcd5d5c9d00fb7f17a3153832a2313465742dedc68
[INFO] running `Command { std: "docker" "start" "-a" "d81f9bbbb2d939ce01ef37fcd5d5c9d00fb7f17a3153832a2313465742dedc68", kill_on_drop: false }`
[INFO] [stderr]    Compiling parlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `line`
[INFO] [stdout]  --> src/scanner.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     line: u32,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `message`
[INFO] [stdout]   --> src/scanner.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     message: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "d81f9bbbb2d939ce01ef37fcd5d5c9d00fb7f17a3153832a2313465742dedc68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d81f9bbbb2d939ce01ef37fcd5d5c9d00fb7f17a3153832a2313465742dedc68", kill_on_drop: false }`
[INFO] [stdout] d81f9bbbb2d939ce01ef37fcd5d5c9d00fb7f17a3153832a2313465742dedc68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38938ce05df53f8f179330348b415beca45f1f772e60e8a6801d30c4d6bc87e3
[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" "38938ce05df53f8f179330348b415beca45f1f772e60e8a6801d30c4d6bc87e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling parlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `line`
[INFO] [stdout]  --> src/scanner.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     line: u32,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `message`
[INFO] [stdout]   --> src/scanner.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     message: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "38938ce05df53f8f179330348b415beca45f1f772e60e8a6801d30c4d6bc87e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38938ce05df53f8f179330348b415beca45f1f772e60e8a6801d30c4d6bc87e3", kill_on_drop: false }`
[INFO] [stdout] 38938ce05df53f8f179330348b415beca45f1f772e60e8a6801d30c4d6bc87e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d7046295d93deeb4804118bbbf94a5c2a39e162e912f2b064036f687df88e6bb
[INFO] running `Command { std: "docker" "start" "-a" "d7046295d93deeb4804118bbbf94a5c2a39e162e912f2b064036f687df88e6bb", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `line`
[INFO] [stderr]  --> src/scanner.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     line: u32,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `message`
[INFO] [stderr]   --> src/scanner.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     message: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `parlox` (bin "parlox" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/parlox-9fd0b91e0b5c6c26)
[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" "d7046295d93deeb4804118bbbf94a5c2a39e162e912f2b064036f687df88e6bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7046295d93deeb4804118bbbf94a5c2a39e162e912f2b064036f687df88e6bb", kill_on_drop: false }`
[INFO] [stdout] d7046295d93deeb4804118bbbf94a5c2a39e162e912f2b064036f687df88e6bb