[INFO] cloning repository laptou/bluetooth-rs
[INFO] running `"git" "clone" "--bare" "git://github.com/laptou/bluetooth-rs.git" "work/cache/sources/gh/laptou/bluetooth-rs"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/laptou/bluetooth-rs'...
[INFO] running `"git" "clone" "work/cache/sources/gh/laptou/bluetooth-rs" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/laptou/bluetooth-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/laptou/bluetooth-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/laptou/bluetooth-rs" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/laptou/bluetooth-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/laptou/bluetooth-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 351c37434df91c58977883929bad6201a93f8649
[INFO] sha for GitHub repo laptou/bluetooth-rs: 351c37434df91c58977883929bad6201a93f8649
[INFO] validating manifest of laptou/bluetooth-rs on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of laptou/bluetooth-rs on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing laptou/bluetooth-rs
[INFO] finished frobbing laptou/bluetooth-rs
[INFO] frobbed toml for laptou/bluetooth-rs written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/laptou/bluetooth-rs/Cargo.toml
[INFO] started frobbing laptou/bluetooth-rs
[INFO] finished frobbing laptou/bluetooth-rs
[INFO] frobbed toml for laptou/bluetooth-rs written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/laptou/bluetooth-rs/Cargo.toml
[INFO] crate laptou/bluetooth-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking laptou/bluetooth-rs against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-2/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/laptou/bluetooth-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 49b9bc83411e4e91a1ac7bfdc09762530b0c3989e6ce4150aae7dd9a1032d388
[INFO] running `"docker" "start" "-a" "49b9bc83411e4e91a1ac7bfdc09762530b0c3989e6ce4150aae7dd9a1032d388"`
[INFO] [stderr]     Checking backtrace-sys v0.1.28
[INFO] [stderr]     Checking epoll v4.1.0
[INFO] [stderr]     Checking errno v0.2.4
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking backtrace v0.3.13
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking bluez v0.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/mgmt/interface/response.rs:51:27
[INFO] [stderr]    |
[INFO] [stderr] 51 |                   0x0006 => ManagementEvent::NewSettings {
[INFO] [stderr]    |  ___________________________^
[INFO] [stderr] 52 | |                     settings: unimplemented!(),
[INFO] [stderr] 53 | |                 },
[INFO] [stderr]    | |_________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/mgmt/interface/response.rs:54:27
[INFO] [stderr]    |
[INFO] [stderr] 54 |                   0x0007 => ManagementEvent::ClassOfDeviceChanged {
[INFO] [stderr]    |  ___________________________^
[INFO] [stderr] 55 | |                     class: unimplemented!(),
[INFO] [stderr] 56 | |                 },
[INFO] [stderr]    | |_________________^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/mgmt/interface/response.rs:51:27
[INFO] [stderr]    |
[INFO] [stderr] 51 |                   0x0006 => ManagementEvent::NewSettings {
[INFO] [stderr]    |  ___________________________^
[INFO] [stderr] 52 | |                     settings: unimplemented!(),
[INFO] [stderr] 53 | |                 },
[INFO] [stderr]    | |_________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/mgmt/interface/response.rs:54:27
[INFO] [stderr]    |
[INFO] [stderr] 54 |                   0x0007 => ManagementEvent::ClassOfDeviceChanged {
[INFO] [stderr]    |  ___________________________^
[INFO] [stderr] 55 | |                     class: unimplemented!(),
[INFO] [stderr] 56 | |                 },
[INFO] [stderr]    | |_________________^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.72s
[INFO] running `"docker" "inspect" "49b9bc83411e4e91a1ac7bfdc09762530b0c3989e6ce4150aae7dd9a1032d388"`
[INFO] running `"docker" "rm" "-f" "49b9bc83411e4e91a1ac7bfdc09762530b0c3989e6ce4150aae7dd9a1032d388"`
[INFO] [stdout] 49b9bc83411e4e91a1ac7bfdc09762530b0c3989e6ce4150aae7dd9a1032d388