[INFO] cloning repository https://github.com/omgbrbttyl/RustBox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/omgbrbttyl/RustBox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomgbrbttyl%2FRustBox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomgbrbttyl%2FRustBox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1952f92e41ed7a141ff5a84152ddb5e24b16f523
[INFO] checking omgbrbttyl/RustBox against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomgbrbttyl%2FRustBox" "/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/omgbrbttyl/RustBox on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/omgbrbttyl/RustBox
[INFO] finished tweaking git repo https://github.com/omgbrbttyl/RustBox
[INFO] tweaked toml for git repo https://github.com/omgbrbttyl/RustBox written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/omgbrbttyl/RustBox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded text_io v0.1.7
[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" "rustops/crates-build-env@sha256:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "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] 5c5920703e369c2dd44b095741528e197ed2ad054fc04322907fcf1becde11ae
[INFO] running `Command { std: "docker" "start" "-a" "5c5920703e369c2dd44b095741528e197ed2ad054fc04322907fcf1becde11ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c5920703e369c2dd44b095741528e197ed2ad054fc04322907fcf1becde11ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c5920703e369c2dd44b095741528e197ed2ad054fc04322907fcf1becde11ae", kill_on_drop: false }`
[INFO] [stdout] 5c5920703e369c2dd44b095741528e197ed2ad054fc04322907fcf1becde11ae
[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" "rustops/crates-build-env@sha256:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--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] 005a9806523d8de1b951c5c6652a36d3ef919322d8795fb5af4991b3290984e5
[INFO] running `Command { std: "docker" "start" "-a" "005a9806523d8de1b951c5c6652a36d3ef919322d8795fb5af4991b3290984e5", kill_on_drop: false }`
[INFO] [stderr]     Checking text_io v0.1.7
[INFO] [stderr]     Checking rust_box v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `state`
[INFO] [stdout]    --> src/connectfour.rs:133:5
[INFO] [stdout]     |
[INFO] [stdout] 133 |     state: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `state`
[INFO] [stdout]    --> src/tictactoe.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 132 |     state: bool,
[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 0.92s
[INFO] running `Command { std: "docker" "inspect" "005a9806523d8de1b951c5c6652a36d3ef919322d8795fb5af4991b3290984e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "005a9806523d8de1b951c5c6652a36d3ef919322d8795fb5af4991b3290984e5", kill_on_drop: false }`
[INFO] [stdout] 005a9806523d8de1b951c5c6652a36d3ef919322d8795fb5af4991b3290984e5