[INFO] fetching crate io_bluetooth 0.1.0...
[INFO] checking io_bluetooth-0.1.0 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate io_bluetooth 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate io_bluetooth 0.1.0 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate io_bluetooth 0.1.0
[INFO] finished tweaking crates.io crate io_bluetooth 0.1.0
[INFO] tweaked toml for crates.io crate io_bluetooth 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded winbluetooth v0.1.0
[INFO] [stderr]   Downloaded libbluetooth v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82b7f307d4ca488e556ec407a3b55f4d55dbbcf81771f6cbf88545e6051c7afe
[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" "82b7f307d4ca488e556ec407a3b55f4d55dbbcf81771f6cbf88545e6051c7afe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82b7f307d4ca488e556ec407a3b55f4d55dbbcf81771f6cbf88545e6051c7afe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82b7f307d4ca488e556ec407a3b55f4d55dbbcf81771f6cbf88545e6051c7afe", kill_on_drop: false }`
[INFO] [stdout] 82b7f307d4ca488e556ec407a3b55f4d55dbbcf81771f6cbf88545e6051c7afe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75128a6c959fbb7aac3d351b7d4180b90c4e185fdb3a1453e2c43d9af59c39cd
[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" "75128a6c959fbb7aac3d351b7d4180b90c4e185fdb3a1453e2c43d9af59c39cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling nix v0.13.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking libbluetooth v0.1.0
[INFO] [stderr]     Checking io_bluetooth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `socket`
[INFO] [stdout]    --> src/sys_common/bt.rs:130:12
[INFO] [stdout]     |
[INFO] [stdout] 130 |     pub fn socket(&self) -> &Socket {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `into_socket`
[INFO] [stdout]    --> src/sys_common/bt.rs:134:12
[INFO] [stdout]     |
[INFO] [stdout] 134 |     pub fn into_socket(self) -> Socket {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `socket`
[INFO] [stdout]    --> src/sys_common/bt.rs:276:12
[INFO] [stdout]     |
[INFO] [stdout] 276 |     pub fn socket(&self) -> &Socket {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `into_socket`
[INFO] [stdout]    --> src/sys_common/bt.rs:280:12
[INFO] [stdout]     |
[INFO] [stdout] 280 |     pub fn into_socket(self) -> Socket {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `socket`
[INFO] [stdout]    --> src/sys_common/bt.rs:130:12
[INFO] [stdout]     |
[INFO] [stdout] 130 |     pub fn socket(&self) -> &Socket {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `into_socket`
[INFO] [stdout]    --> src/sys_common/bt.rs:134:12
[INFO] [stdout]     |
[INFO] [stdout] 134 |     pub fn into_socket(self) -> Socket {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `socket`
[INFO] [stdout]    --> src/sys_common/bt.rs:276:12
[INFO] [stdout]     |
[INFO] [stdout] 276 |     pub fn socket(&self) -> &Socket {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `into_socket`
[INFO] [stdout]    --> src/sys_common/bt.rs:280:12
[INFO] [stdout]     |
[INFO] [stdout] 280 |     pub fn into_socket(self) -> Socket {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.93s
[INFO] running `Command { std: "docker" "inspect" "75128a6c959fbb7aac3d351b7d4180b90c4e185fdb3a1453e2c43d9af59c39cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75128a6c959fbb7aac3d351b7d4180b90c4e185fdb3a1453e2c43d9af59c39cd", kill_on_drop: false }`
[INFO] [stdout] 75128a6c959fbb7aac3d351b7d4180b90c4e185fdb3a1453e2c43d9af59c39cd