[INFO] fetching crate vulkan-int 0.5.4...
[INFO] checking vulkan-int-0.5.4 against beta for pr-78714
[INFO] extracting crate vulkan-int 0.5.4 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate vulkan-int 0.5.4 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 vulkan-int 0.5.4
[INFO] finished tweaking crates.io crate vulkan-int 0.5.4
[INFO] tweaked toml for crates.io crate vulkan-int 0.5.4 written to /workspace/builds/worker-6/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] [stderr]     Blocking waiting for file lock on package cache
[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-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" "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] 31c342cc5639227ca61971ef140dc17736f6cf843d88e77437aca5bbd4bfe0ba
[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" "31c342cc5639227ca61971ef140dc17736f6cf843d88e77437aca5bbd4bfe0ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31c342cc5639227ca61971ef140dc17736f6cf843d88e77437aca5bbd4bfe0ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31c342cc5639227ca61971ef140dc17736f6cf843d88e77437aca5bbd4bfe0ba", kill_on_drop: false }`
[INFO] [stdout] 31c342cc5639227ca61971ef140dc17736f6cf843d88e77437aca5bbd4bfe0ba
[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" "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] ad82b687beba35331b38864e77e161c616d8b5fdaedd0984240d2d0db71f7d9f
[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" "ad82b687beba35331b38864e77e161c616d8b5fdaedd0984240d2d0db71f7d9f", kill_on_drop: false }`
[INFO] [stderr]     Checking vulkan-int v0.5.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::
[INFO] [stdout]         ops::
[INFO] [stdout]             Deref`
[INFO] [stdout]  --> src/tests.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | /     std::
[INFO] [stdout] 7 | |         ops::
[INFO] [stdout] 8 | |             Deref;
[INFO] [stdout]   | |_________________^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/lib.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |         fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ad82b687beba35331b38864e77e161c616d8b5fdaedd0984240d2d0db71f7d9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad82b687beba35331b38864e77e161c616d8b5fdaedd0984240d2d0db71f7d9f", kill_on_drop: false }`
[INFO] [stdout] ad82b687beba35331b38864e77e161c616d8b5fdaedd0984240d2d0db71f7d9f