[INFO] updating cached repository LevitatingOrange/proove_mqtt
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/LevitatingOrange/proove_mqtt
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/LevitatingOrange/proove_mqtt" "work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/gh/LevitatingOrange/proove_mqtt"`
[INFO] [stderr] Cloning into 'work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/gh/LevitatingOrange/proove_mqtt'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/LevitatingOrange/proove_mqtt" "work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/gh/LevitatingOrange/proove_mqtt"`
[INFO] [stderr] Cloning into 'work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/gh/LevitatingOrange/proove_mqtt'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 28882206f98f1e6e1406e5092ffc36f1b7953049
[INFO] sha for GitHub repo LevitatingOrange/proove_mqtt: 28882206f98f1e6e1406e5092ffc36f1b7953049
[INFO] validating manifest of LevitatingOrange/proove_mqtt on toolchain master#e2f221c75932de7a29845c8d6f1f73536ad00c41
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e2f221c75932de7a29845c8d6f1f73536ad00c41-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of LevitatingOrange/proove_mqtt on toolchain try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing LevitatingOrange/proove_mqtt
[INFO] finished frobbing LevitatingOrange/proove_mqtt
[INFO] frobbed toml for LevitatingOrange/proove_mqtt written to work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/gh/LevitatingOrange/proove_mqtt/Cargo.toml
[INFO] started frobbing LevitatingOrange/proove_mqtt
[INFO] finished frobbing LevitatingOrange/proove_mqtt
[INFO] frobbed toml for LevitatingOrange/proove_mqtt written to work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/gh/LevitatingOrange/proove_mqtt/Cargo.toml
[INFO] crate LevitatingOrange/proove_mqtt has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e2f221c75932de7a29845c8d6f1f73536ad00c41-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking LevitatingOrange/proove_mqtt against try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff for pr-57617
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57617/worker-0/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/gh/LevitatingOrange/proove_mqtt:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 724470586edba6b7d2f8789597a8e10b0266206a966f6d4eb3a04d2bd9c64dd7
[INFO] running `"docker" "start" "-a" "724470586edba6b7d2f8789597a8e10b0266206a966f6d4eb3a04d2bd9c64dd7"`
[INFO] [stderr]     Checking nix v0.10.0
[INFO] [stderr]     Checking sysfs_gpio v0.5.3
[INFO] [stderr]     Checking proove_mqtt v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: constant item is never used: `GROUP_SWITCH_OFFSET`
[INFO] [stderr]   --> src/devices.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | const GROUP_SWITCH_OFFSET: u32 = 5;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `GROUP_SWITCH_MASK`
[INFO] [stderr]   --> src/devices.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | const GROUP_SWITCH_MASK: u32 = 0x20;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_proove_packet`
[INFO] [stderr]   --> src/devices.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub fn get_proove_packet(&self, status: bool) -> Option<u32> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Inconsistency`
[INFO] [stderr]   --> src/devices.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     Inconsistency,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_group_state`
[INFO] [stderr]    --> src/devices.rs:115:5
[INFO] [stderr]     |
[INFO] [stderr] 115 |     pub fn set_group_state(&mut self, group_name: String, state: bool) -> Result<(), Error> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `GROUP_SWITCH_OFFSET`
[INFO] [stderr]   --> src/devices.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | const GROUP_SWITCH_OFFSET: u32 = 5;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `GROUP_SWITCH_MASK`
[INFO] [stderr]   --> src/devices.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | const GROUP_SWITCH_MASK: u32 = 0x20;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_proove_packet`
[INFO] [stderr]   --> src/devices.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub fn get_proove_packet(&self, status: bool) -> Option<u32> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Inconsistency`
[INFO] [stderr]   --> src/devices.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     Inconsistency,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_group_state`
[INFO] [stderr]    --> src/devices.rs:115:5
[INFO] [stderr]     |
[INFO] [stderr] 115 |     pub fn set_group_state(&mut self, group_name: String, state: bool) -> Result<(), Error> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.46s
[INFO] running `"docker" "inspect" "724470586edba6b7d2f8789597a8e10b0266206a966f6d4eb3a04d2bd9c64dd7"`
[INFO] running `"docker" "rm" "-f" "724470586edba6b7d2f8789597a8e10b0266206a966f6d4eb3a04d2bd9c64dd7"`
[INFO] [stdout] 724470586edba6b7d2f8789597a8e10b0266206a966f6d4eb3a04d2bd9c64dd7