[INFO] fetching crate gulkana 1.3.3...
[INFO] checking gulkana-1.3.3 against beta for pr-78714
[INFO] extracting crate gulkana 1.3.3 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate gulkana 1.3.3 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gulkana 1.3.3
[INFO] finished tweaking crates.io crate gulkana 1.3.3
[INFO] tweaked toml for crates.io crate gulkana 1.3.3 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb13017b469f6a17f2696ea2b81a59e2a6cc707ff583a91fccb97407618e9860
[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" "bb13017b469f6a17f2696ea2b81a59e2a6cc707ff583a91fccb97407618e9860", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb13017b469f6a17f2696ea2b81a59e2a6cc707ff583a91fccb97407618e9860", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb13017b469f6a17f2696ea2b81a59e2a6cc707ff583a91fccb97407618e9860", kill_on_drop: false }`
[INFO] [stdout] bb13017b469f6a17f2696ea2b81a59e2a6cc707ff583a91fccb97407618e9860
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 661157a12df7ed7ae4c5a593dde22ac64f3c47e0e9c4d0e0d129c071403724c4
[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" "661157a12df7ed7ae4c5a593dde22ac64f3c47e0e9c4d0e0d129c071403724c4", kill_on_drop: false }`
[INFO] [stderr]     Checking gulkana v1.3.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]     --> src/lib.rs:1045:13
[INFO] [stdout]      |
[INFO] [stdout] 1045 |         let s: String = DBOperationError::KeyAllreadyPresent.into();
[INFO] [stdout]      |             ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` 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 1.63s
[INFO] running `Command { std: "docker" "inspect" "661157a12df7ed7ae4c5a593dde22ac64f3c47e0e9c4d0e0d129c071403724c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "661157a12df7ed7ae4c5a593dde22ac64f3c47e0e9c4d0e0d129c071403724c4", kill_on_drop: false }`
[INFO] [stdout] 661157a12df7ed7ae4c5a593dde22ac64f3c47e0e9c4d0e0d129c071403724c4