[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 beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 5feef283f63d97f4e27ea05145d9d4aca05ce7798588c09177759c87400c13c1
[INFO] running `"docker" "start" "-a" "5feef283f63d97f4e27ea05145d9d4aca05ce7798588c09177759c87400c13c1"`
[INFO] [stderr]    Compiling rgb v0.7.2
[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 rand v0.5.1
[INFO] [stderr]    Compiling phf_generator v0.7.22
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]    Compiling phf_codegen v0.7.22
[INFO] [stderr]    Compiling syn v0.13.10
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling serial-unix v0.4.0
[INFO] [stderr]    Compiling palette v0.4.0
[INFO] [stderr]    Compiling serial v0.4.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling mote v0.1.2
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling mqtt-protocol v0.3.1
[INFO] [stderr]    Compiling rumqtt v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.55
[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 43.23s
[INFO] running `"docker" "inspect" "5feef283f63d97f4e27ea05145d9d4aca05ce7798588c09177759c87400c13c1"`
[INFO] running `"docker" "rm" "-f" "5feef283f63d97f4e27ea05145d9d4aca05ce7798588c09177759c87400c13c1"`
[INFO] [stdout] 5feef283f63d97f4e27ea05145d9d4aca05ce7798588c09177759c87400c13c1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2f027e47daa9a899915d3610ffb164b54d891d39023a3be33c432ec4b5e71dde
[INFO] running `"docker" "start" "-a" "2f027e47daa9a899915d3610ffb164b54d891d39023a3be33c432ec4b5e71dde"`
[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 1.81s
[INFO] running `"docker" "inspect" "2f027e47daa9a899915d3610ffb164b54d891d39023a3be33c432ec4b5e71dde"`
[INFO] running `"docker" "rm" "-f" "2f027e47daa9a899915d3610ffb164b54d891d39023a3be33c432ec4b5e71dde"`
[INFO] [stdout] 2f027e47daa9a899915d3610ffb164b54d891d39023a3be33c432ec4b5e71dde
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] c8385466d9ce6a8fc0e3d9b5f9b0dc1c15d5337fc7cb47a1a88be90aa0ba79a6
[INFO] running `"docker" "start" "-a" "c8385466d9ce6a8fc0e3d9b5f9b0dc1c15d5337fc7cb47a1a88be90aa0ba79a6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mqtt_lights-de3e96c8910c5983
[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" "c8385466d9ce6a8fc0e3d9b5f9b0dc1c15d5337fc7cb47a1a88be90aa0ba79a6"`
[INFO] running `"docker" "rm" "-f" "c8385466d9ce6a8fc0e3d9b5f9b0dc1c15d5337fc7cb47a1a88be90aa0ba79a6"`
[INFO] [stdout] c8385466d9ce6a8fc0e3d9b5f9b0dc1c15d5337fc7cb47a1a88be90aa0ba79a6