[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/beta-1.37-6/sources/1.36.0/gh/tiziano88/mqtt-lights"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/tiziano88/mqtt-lights'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tiziano88/mqtt-lights" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/tiziano88/mqtt-lights"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tiziano88/mqtt-lights on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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/beta-1.37-6/sources/1.36.0/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/beta-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing tiziano88/mqtt-lights against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] c824c7f5672d76c9803cc2a842f1a810c3cd6fa238dc5d337e67a4fd6ee8f7d8
[INFO] running `"docker" "start" "-a" "c824c7f5672d76c9803cc2a842f1a810c3cd6fa238dc5d337e67a4fd6ee8f7d8"`
[INFO] [stderr]    Compiling rgb v0.7.2
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling rand v0.5.1
[INFO] [stderr]    Compiling serde_json v1.0.17
[INFO] [stderr]    Compiling phf_generator v0.7.22
[INFO] [stderr]    Compiling phf v0.7.22
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling syn v0.13.10
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling phf_codegen v0.7.22
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling mote v0.1.2
[INFO] [stderr]    Compiling palette v0.4.0
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling mqtt-protocol v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.55
[INFO] [stderr]    Compiling rumqtt v0.10.1
[INFO] [stderr]    Compiling palette_derive v0.4.0
[INFO] [stderr]    Compiling 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: 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 46.48s
[INFO] running `"docker" "inspect" "c824c7f5672d76c9803cc2a842f1a810c3cd6fa238dc5d337e67a4fd6ee8f7d8"`
[INFO] running `"docker" "rm" "-f" "c824c7f5672d76c9803cc2a842f1a810c3cd6fa238dc5d337e67a4fd6ee8f7d8"`
[INFO] [stdout] c824c7f5672d76c9803cc2a842f1a810c3cd6fa238dc5d337e67a4fd6ee8f7d8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 20d775417071ae20672fedfd48e536486c05dd8ba61ab8d385f3d9b1aaa68c28
[INFO] running `"docker" "start" "-a" "20d775417071ae20672fedfd48e536486c05dd8ba61ab8d385f3d9b1aaa68c28"`
[INFO] [stderr]    Compiling 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: 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 1.32s
[INFO] running `"docker" "inspect" "20d775417071ae20672fedfd48e536486c05dd8ba61ab8d385f3d9b1aaa68c28"`
[INFO] running `"docker" "rm" "-f" "20d775417071ae20672fedfd48e536486c05dd8ba61ab8d385f3d9b1aaa68c28"`
[INFO] [stdout] 20d775417071ae20672fedfd48e536486c05dd8ba61ab8d385f3d9b1aaa68c28
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 1408c0fc7cfcb49deb2ba917bdab741083f2470ebd49c3f3c99a0401c896f550
[INFO] running `"docker" "start" "-a" "1408c0fc7cfcb49deb2ba917bdab741083f2470ebd49c3f3c99a0401c896f550"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mqtt_lights-c36f5038c11279a1
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "1408c0fc7cfcb49deb2ba917bdab741083f2470ebd49c3f3c99a0401c896f550"`
[INFO] running `"docker" "rm" "-f" "1408c0fc7cfcb49deb2ba917bdab741083f2470ebd49c3f3c99a0401c896f550"`
[INFO] [stdout] 1408c0fc7cfcb49deb2ba917bdab741083f2470ebd49c3f3c99a0401c896f550