[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-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/tiziano88/mqtt-lights"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/tiziano88/mqtt-lights'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tiziano88/mqtt-lights" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/tiziano88/mqtt-lights"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tiziano88/mqtt-lights on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-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-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/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-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/tiziano88/mqtt-lights/Cargo.toml
[INFO] crate tiziano88/mqtt-lights already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking tiziano88/mqtt-lights against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-0/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/tiziano88/mqtt-lights:/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c2eca92b4f779be79b10cfa5f89710e6031d9721d2103666278cbe69c4c7d7c6
[INFO] running `"docker" "start" "-a" "c2eca92b4f779be79b10cfa5f89710e6031d9721d2103666278cbe69c4c7d7c6"`
[INFO] [stderr]     Checking serde v1.0.55
[INFO] [stderr]     Checking rgb v0.7.2
[INFO] [stderr]     Checking getopts v0.2.17
[INFO] [stderr]    Compiling phf_shared v0.7.22
[INFO] [stderr]     Checking ioctl-rs v0.1.6
[INFO] [stderr]     Checking serial-core v0.4.0
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]    Compiling openssl-sys v0.9.30
[INFO] [stderr]     Checking rand v0.5.1
[INFO] [stderr]    Compiling phf_generator v0.7.22
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]    Compiling syn v0.13.10
[INFO] [stderr]     Checking serial-unix v0.4.0
[INFO] [stderr]     Checking phf v0.7.22
[INFO] [stderr]    Compiling phf_codegen v0.7.22
[INFO] [stderr]     Checking serial v0.4.0
[INFO] [stderr]     Checking mqtt-protocol v0.3.1
[INFO] [stderr]     Checking mote v0.1.2
[INFO] [stderr]    Compiling palette v0.4.0
[INFO] [stderr]    Compiling openssl v0.9.24
[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 58.57s
[INFO] running `"docker" "inspect" "c2eca92b4f779be79b10cfa5f89710e6031d9721d2103666278cbe69c4c7d7c6"`
[INFO] running `"docker" "rm" "-f" "c2eca92b4f779be79b10cfa5f89710e6031d9721d2103666278cbe69c4c7d7c6"`
[INFO] [stdout] c2eca92b4f779be79b10cfa5f89710e6031d9721d2103666278cbe69c4c7d7c6