[INFO] fetching crate io_bluetooth 0.1.0...
[INFO] testing io_bluetooth-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate io_bluetooth 0.1.0 into /workspace/builds/worker-110/source
[INFO] validating manifest of crates.io crate io_bluetooth 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-110/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98bba09a759815f75e4c0791ee091cea19e297c94373a15d9fa96bc44da165b8
[INFO] running `Command { std: "docker" "start" "-a" "98bba09a759815f75e4c0791ee091cea19e297c94373a15d9fa96bc44da165b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98bba09a759815f75e4c0791ee091cea19e297c94373a15d9fa96bc44da165b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98bba09a759815f75e4c0791ee091cea19e297c94373a15d9fa96bc44da165b8", kill_on_drop: false }`
[INFO] [stdout] 98bba09a759815f75e4c0791ee091cea19e297c94373a15d9fa96bc44da165b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31595f5d492cf70bfab4fa9bc2721bc0c634419499c23737428206d8fe8ac4a3
[INFO] running `Command { std: "docker" "start" "-a" "31595f5d492cf70bfab4fa9bc2721bc0c634419499c23737428206d8fe8ac4a3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling nix v0.13.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling libbluetooth v0.1.0
[INFO] [stderr]    Compiling 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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.59s
[INFO] running `Command { std: "docker" "inspect" "31595f5d492cf70bfab4fa9bc2721bc0c634419499c23737428206d8fe8ac4a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31595f5d492cf70bfab4fa9bc2721bc0c634419499c23737428206d8fe8ac4a3", kill_on_drop: false }`
[INFO] [stdout] 31595f5d492cf70bfab4fa9bc2721bc0c634419499c23737428206d8fe8ac4a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dacb8df3bcf734cba43f4aae741b30162b646fd6b85bad75a74e41e48b58d79c
[INFO] running `Command { std: "docker" "start" "-a" "dacb8df3bcf734cba43f4aae741b30162b646fd6b85bad75a74e41e48b58d79c", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 4 warnings emitted
[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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "dacb8df3bcf734cba43f4aae741b30162b646fd6b85bad75a74e41e48b58d79c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dacb8df3bcf734cba43f4aae741b30162b646fd6b85bad75a74e41e48b58d79c", kill_on_drop: false }`
[INFO] [stdout] dacb8df3bcf734cba43f4aae741b30162b646fd6b85bad75a74e41e48b58d79c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cd529923c0f28415c13a6a81973004d57cda014bef1e69976d51fad8a90fd814
[INFO] running `Command { std: "docker" "start" "-a" "cd529923c0f28415c13a6a81973004d57cda014bef1e69976d51fad8a90fd814", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `socket`
[INFO] [stderr]    --> src/sys_common/bt.rs:130:12
[INFO] [stderr]     |
[INFO] [stderr] 130 |     pub fn socket(&self) -> &Socket {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `into_socket`
[INFO] [stderr]    --> src/sys_common/bt.rs:134:12
[INFO] [stderr]     |
[INFO] [stderr] 134 |     pub fn into_socket(self) -> Socket {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `socket`
[INFO] [stderr]    --> src/sys_common/bt.rs:276:12
[INFO] [stderr]     |
[INFO] [stderr] 276 |     pub fn socket(&self) -> &Socket {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `into_socket`
[INFO] [stderr]    --> src/sys_common/bt.rs:280:12
[INFO] [stderr]     |
[INFO] [stderr] 280 |     pub fn into_socket(self) -> Socket {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `io_bluetooth` (lib) generated 4 warnings
[INFO] [stderr] warning: `io_bluetooth` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/io_bluetooth-718af61a074b3b5b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests io_bluetooth
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cd529923c0f28415c13a6a81973004d57cda014bef1e69976d51fad8a90fd814", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd529923c0f28415c13a6a81973004d57cda014bef1e69976d51fad8a90fd814", kill_on_drop: false }`
[INFO] [stdout] cd529923c0f28415c13a6a81973004d57cda014bef1e69976d51fad8a90fd814