[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-1.38-1/sources/1.37.0/gh/tiziano88/mqtt-lights"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/tiziano88/mqtt-lights'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tiziano88/mqtt-lights" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tiziano88/mqtt-lights"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tiziano88/mqtt-lights on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing tiziano88/mqtt-lights against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 9c2c94eb8ce31b570d8c09ab9403b3a12f1b7e2b8cfb1be65c5b7082fd538b34
[INFO] running `"docker" "start" "-a" "9c2c94eb8ce31b570d8c09ab9403b3a12f1b7e2b8cfb1be65c5b7082fd538b34"`
[INFO] [stderr]    Compiling rgb v0.7.2
[INFO] [stderr]    Compiling serde v1.0.55
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling serial-core v0.4.0
[INFO] [stderr]    Compiling termios v0.2.2
[INFO] [stderr]    Compiling ioctl-rs v0.1.6
[INFO] [stderr]    Compiling phf_shared v0.7.22
[INFO] [stderr]    Compiling rand v0.5.1
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]    Compiling syn v0.13.10
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling phf_generator v0.7.22
[INFO] [stderr]    Compiling phf v0.7.22
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling serial-unix v0.4.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling phf_codegen v0.7.22
[INFO] [stderr]    Compiling serial v0.4.0
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling palette v0.4.0
[INFO] [stderr]    Compiling mote v0.1.2
[INFO] [stderr]    Compiling mqtt-protocol v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.55
[INFO] [stderr]    Compiling palette_derive v0.4.0
[INFO] [stderr]    Compiling rumqtt v0.10.1
[INFO] [stderr]    Compiling serde_json v1.0.17
[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 55.18s
[INFO] running `"docker" "inspect" "9c2c94eb8ce31b570d8c09ab9403b3a12f1b7e2b8cfb1be65c5b7082fd538b34"`
[INFO] running `"docker" "rm" "-f" "9c2c94eb8ce31b570d8c09ab9403b3a12f1b7e2b8cfb1be65c5b7082fd538b34"`
[INFO] [stdout] 9c2c94eb8ce31b570d8c09ab9403b3a12f1b7e2b8cfb1be65c5b7082fd538b34
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 23c84d9039979c3f4d9d2fc523dc1d5e947b901eb5aa07cc792e322f85ff5c45
[INFO] running `"docker" "start" "-a" "23c84d9039979c3f4d9d2fc523dc1d5e947b901eb5aa07cc792e322f85ff5c45"`
[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 1.55s
[INFO] running `"docker" "inspect" "23c84d9039979c3f4d9d2fc523dc1d5e947b901eb5aa07cc792e322f85ff5c45"`
[INFO] running `"docker" "rm" "-f" "23c84d9039979c3f4d9d2fc523dc1d5e947b901eb5aa07cc792e322f85ff5c45"`
[INFO] [stdout] 23c84d9039979c3f4d9d2fc523dc1d5e947b901eb5aa07cc792e322f85ff5c45
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] fecb64518b5188cf5f3fb7cd3526ab3f98c6abbf13f42e9a5bc4c2bb64630596
[INFO] running `"docker" "start" "-a" "fecb64518b5188cf5f3fb7cd3526ab3f98c6abbf13f42e9a5bc4c2bb64630596"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mqtt_lights-67b19cbb7f8cff02
[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" "fecb64518b5188cf5f3fb7cd3526ab3f98c6abbf13f42e9a5bc4c2bb64630596"`
[INFO] running `"docker" "rm" "-f" "fecb64518b5188cf5f3fb7cd3526ab3f98c6abbf13f42e9a5bc4c2bb64630596"`
[INFO] [stdout] fecb64518b5188cf5f3fb7cd3526ab3f98c6abbf13f42e9a5bc4c2bb64630596