[INFO] updating cached repository tiziano88/mqtt-lights
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tiziano88/mqtt-lights
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tiziano88/mqtt-lights" "work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/tiziano88/mqtt-lights"`
[INFO] [stderr] Cloning into 'work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/tiziano88/mqtt-lights'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tiziano88/mqtt-lights" "work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/tiziano88/mqtt-lights"`
[INFO] [stderr] Cloning into 'work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/tiziano88/mqtt-lights'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4dd2e64b4887a6457eef702a798999a3b658d41a
[INFO] sha for GitHub repo tiziano88/mqtt-lights: 4dd2e64b4887a6457eef702a798999a3b658d41a
[INFO] validating manifest of tiziano88/mqtt-lights on toolchain master#589beb979c0f1a9736e02e578913db88398c3ba5
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tiziano88/mqtt-lights on toolchain try#42445ded8fd34235a676755cb5d079658ed51f6a
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tiziano88/mqtt-lights
[INFO] finished frobbing tiziano88/mqtt-lights
[INFO] frobbed toml for tiziano88/mqtt-lights written to work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/tiziano88/mqtt-lights/Cargo.toml
[INFO] started frobbing tiziano88/mqtt-lights
[INFO] finished frobbing tiziano88/mqtt-lights
[INFO] frobbed toml for tiziano88/mqtt-lights written to work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/tiziano88/mqtt-lights/Cargo.toml
[INFO] crate tiziano88/mqtt-lights already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking tiziano88/mqtt-lights against master#589beb979c0f1a9736e02e578913db88398c3ba5 for pr-60944
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60944/worker-7/master#589beb979c0f1a9736e02e578913db88398c3ba5:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/tiziano88/mqtt-lights:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ed7166d43f5db7c374ea1aac41c2838850b7f63445a61b19a3ca278e07643894
[INFO] running `"docker" "start" "-a" "ed7166d43f5db7c374ea1aac41c2838850b7f63445a61b19a3ca278e07643894"`
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]     Checking rgb v0.7.2
[INFO] [stderr]     Checking serde v1.0.55
[INFO] [stderr]    Compiling phf_shared v0.7.22
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking ioctl-rs v0.1.6
[INFO] [stderr]     Checking serial-core v0.4.0
[INFO] [stderr]     Checking rand v0.5.1
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]    Compiling syn v0.13.10
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking phf v0.7.22
[INFO] [stderr]    Compiling phf_generator v0.7.22
[INFO] [stderr]     Checking serial-unix v0.4.0
[INFO] [stderr]    Compiling phf_codegen v0.7.22
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking serial v0.4.0
[INFO] [stderr]    Compiling palette v0.4.0
[INFO] [stderr]     Checking mote v0.1.2
[INFO] [stderr]     Checking mqtt-protocol v0.3.1
[INFO] [stderr]     Checking rumqtt v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.55
[INFO] [stderr]    Compiling palette_derive v0.4.0
[INFO] [stderr]     Checking serde_json v1.0.17
[INFO] [stderr]     Checking mqtt-lights v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `updates`
[INFO] [stderr]    --> src/main.rs:216:17
[INFO] [stderr]     |
[INFO] [stderr] 216 |             let updates = handler_light
[INFO] [stderr]     |                 ^^^^^^^ help: consider prefixing with an underscore: `_updates`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `updates`
[INFO] [stderr]    --> src/main.rs:216:17
[INFO] [stderr]     |
[INFO] [stderr] 216 |             let updates = handler_light
[INFO] [stderr]     |                 ^^^^^^^ help: consider prefixing with an underscore: `_updates`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:287:29
[INFO] [stderr]     |
[INFO] [stderr] 287 |                         let mut segment = &mut light.segments[i];
[INFO] [stderr]     |                             ----^^^^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:287:29
[INFO] [stderr]     |
[INFO] [stderr] 287 |                         let mut segment = &mut light.segments[i];
[INFO] [stderr]     |                             ----^^^^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.64s
[INFO] running `"docker" "inspect" "ed7166d43f5db7c374ea1aac41c2838850b7f63445a61b19a3ca278e07643894"`
[INFO] running `"docker" "rm" "-f" "ed7166d43f5db7c374ea1aac41c2838850b7f63445a61b19a3ca278e07643894"`
[INFO] [stdout] ed7166d43f5db7c374ea1aac41c2838850b7f63445a61b19a3ca278e07643894