[INFO] fetching crate cubeb-backend 0.9.0...
[INFO] checking cubeb-backend-0.9.0 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate cubeb-backend 0.9.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate cubeb-backend 0.9.0 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cubeb-backend 0.9.0
[INFO] finished tweaking crates.io crate cubeb-backend 0.9.0
[INFO] tweaked toml for crates.io crate cubeb-backend 0.9.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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] b54a700cf5a851b96e79238c6e1f994ae4145e1edfdeafb5dccac68634d6c055
[INFO] running `Command { std: "docker" "start" "-a" "b54a700cf5a851b96e79238c6e1f994ae4145e1edfdeafb5dccac68634d6c055", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b54a700cf5a851b96e79238c6e1f994ae4145e1edfdeafb5dccac68634d6c055", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b54a700cf5a851b96e79238c6e1f994ae4145e1edfdeafb5dccac68634d6c055", kill_on_drop: false }`
[INFO] [stdout] b54a700cf5a851b96e79238c6e1f994ae4145e1edfdeafb5dccac68634d6c055
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1df0f98a69bd240e298c48f749f34987bd17416bfcbd1d2fddc7e08f54aaaac
[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" "d1df0f98a69bd240e298c48f749f34987bd17416bfcbd1d2fddc7e08f54aaaac", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling cubeb-sys v0.9.0
[INFO] [stderr]     Checking cubeb-core v0.9.0
[INFO] [stderr]     Checking cubeb-backend v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `ops`
[INFO] [stdout]   --> tests/test_capi.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub ops: *const Ops,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 7.95s
[INFO] running `Command { std: "docker" "inspect" "d1df0f98a69bd240e298c48f749f34987bd17416bfcbd1d2fddc7e08f54aaaac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1df0f98a69bd240e298c48f749f34987bd17416bfcbd1d2fddc7e08f54aaaac", kill_on_drop: false }`
[INFO] [stdout] d1df0f98a69bd240e298c48f749f34987bd17416bfcbd1d2fddc7e08f54aaaac