[INFO] fetching crate bluetooth-serial-port-async 0.6.0...
[INFO] testing bluetooth-serial-port-async-0.6.0 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate bluetooth-serial-port-async 0.6.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate bluetooth-serial-port-async 0.6.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bluetooth-serial-port-async 0.6.0
[INFO] finished tweaking crates.io crate bluetooth-serial-port-async 0.6.0
[INFO] tweaked toml for crates.io crate bluetooth-serial-port-async 0.6.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate bluetooth-serial-port-async 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v1.0.43
[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" "+beta-2020-10-09" "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] e5a5a760c94116c0f778dd427a9f86256926c7f8589eb8fed032634408be668d
[INFO] running `Command { std: "docker" "start" "-a" "e5a5a760c94116c0f778dd427a9f86256926c7f8589eb8fed032634408be668d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5a5a760c94116c0f778dd427a9f86256926c7f8589eb8fed032634408be668d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5a5a760c94116c0f778dd427a9f86256926c7f8589eb8fed032634408be668d", kill_on_drop: false }`
[INFO] [stdout] e5a5a760c94116c0f778dd427a9f86256926c7f8589eb8fed032634408be668d
[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=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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d30fa1844d2603a996f2b404cf7c1d08f74982df09f3a1276b0d11a86fd086e7
[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" "d30fa1844d2603a996f2b404cf7c1d08f74982df09f3a1276b0d11a86fd086e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling nix v0.13.1
[INFO] [stderr]    Compiling futures-lite v1.11.1
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling async-executor v1.3.0
[INFO] [stderr]    Compiling async-io v1.1.10
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling async-global-executor v1.3.0
[INFO] [stderr]    Compiling async-std v1.6.5
[INFO] [stderr]    Compiling bluetooth-serial-port-async v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.09s
[INFO] running `Command { std: "docker" "inspect" "d30fa1844d2603a996f2b404cf7c1d08f74982df09f3a1276b0d11a86fd086e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d30fa1844d2603a996f2b404cf7c1d08f74982df09f3a1276b0d11a86fd086e7", kill_on_drop: false }`
[INFO] [stdout] d30fa1844d2603a996f2b404cf7c1d08f74982df09f3a1276b0d11a86fd086e7
[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=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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", 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] 7e4827b69ee37e4eb6842f68e7badadac24f5c1dd3a102eb8eae6c432f308727
[INFO] running `Command { std: "docker" "start" "-a" "7e4827b69ee37e4eb6842f68e7badadac24f5c1dd3a102eb8eae6c432f308727", kill_on_drop: false }`
[INFO] [stderr]    Compiling bluetooth-serial-port-async v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `bluetooth_serial_port`
[INFO] [stdout]  --> examples/example.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use bluetooth_serial_port::{BtProtocol, BtSocket};
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^ use of undeclared crate or module `bluetooth_serial_port`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `bluetooth_serial_port`
[INFO] [stdout]   --> examples/example.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let devices = bluetooth_serial_port::scan_devices(time::Duration::from_secs(20)).unwrap();
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^ use of undeclared crate or module `bluetooth_serial_port`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> examples/example.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 |     io::{Read, Write},
[INFO] [stdout]   |          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> examples/example.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 |     io::{Read, Write},
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bluetooth-serial-port-async`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7e4827b69ee37e4eb6842f68e7badadac24f5c1dd3a102eb8eae6c432f308727", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e4827b69ee37e4eb6842f68e7badadac24f5c1dd3a102eb8eae6c432f308727", kill_on_drop: false }`
[INFO] [stdout] 7e4827b69ee37e4eb6842f68e7badadac24f5c1dd3a102eb8eae6c432f308727
