[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 master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrustak%2Fparlox" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/frustak/parlox on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-9/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" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f1cac44d38ee2359b88df24536f9f580c5e7c1dbeee4216042304de5ffc6769
[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" "2f1cac44d38ee2359b88df24536f9f580c5e7c1dbeee4216042304de5ffc6769", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f1cac44d38ee2359b88df24536f9f580c5e7c1dbeee4216042304de5ffc6769", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f1cac44d38ee2359b88df24536f9f580c5e7c1dbeee4216042304de5ffc6769", kill_on_drop: false }`
[INFO] [stdout] 2f1cac44d38ee2359b88df24536f9f580c5e7c1dbeee4216042304de5ffc6769
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf8cc0f922e94c0a6cdd6664dd9bf044c45570e8d5f86e5fc94cfd20ebe1a7d4
[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" "cf8cc0f922e94c0a6cdd6664dd9bf044c45570e8d5f86e5fc94cfd20ebe1a7d4", 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cf8cc0f922e94c0a6cdd6664dd9bf044c45570e8d5f86e5fc94cfd20ebe1a7d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf8cc0f922e94c0a6cdd6664dd9bf044c45570e8d5f86e5fc94cfd20ebe1a7d4", kill_on_drop: false }`
[INFO] [stdout] cf8cc0f922e94c0a6cdd6664dd9bf044c45570e8d5f86e5fc94cfd20ebe1a7d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--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] fe131edb1260f45a46033b29d96126251ad64052c2eb7c8995c3b27a16f85c3b
[INFO] running `Command { std: "docker" "start" "-a" "fe131edb1260f45a46033b29d96126251ad64052c2eb7c8995c3b27a16f85c3b", 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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fe131edb1260f45a46033b29d96126251ad64052c2eb7c8995c3b27a16f85c3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe131edb1260f45a46033b29d96126251ad64052c2eb7c8995c3b27a16f85c3b", kill_on_drop: false }`
[INFO] [stdout] fe131edb1260f45a46033b29d96126251ad64052c2eb7c8995c3b27a16f85c3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e84c0ce5a2e8fae89a0ee91bcc19f0ff6d875841b803b7650e0caec7a4376358
[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" "e84c0ce5a2e8fae89a0ee91bcc19f0ff6d875841b803b7650e0caec7a4376358", 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 0.03s
[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" "e84c0ce5a2e8fae89a0ee91bcc19f0ff6d875841b803b7650e0caec7a4376358", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e84c0ce5a2e8fae89a0ee91bcc19f0ff6d875841b803b7650e0caec7a4376358", kill_on_drop: false }`
[INFO] [stdout] e84c0ce5a2e8fae89a0ee91bcc19f0ff6d875841b803b7650e0caec7a4376358