[INFO] updating cached repository https://github.com/conner-s/Lights_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b64e1dbe9003cc6a6951619ba31e4017abff6ba5
[INFO] testing conner-s/Lights_rs against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconner-s%2FLights_rs" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/conner-s/Lights_rs on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/conner-s/Lights_rs
[INFO] finished tweaking git repo https://github.com/conner-s/Lights_rs
[INFO] tweaked toml for git repo https://github.com/conner-s/Lights_rs written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/conner-s/Lights_rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d93b22296edf1bb215267871e8cc690f70fbf1af38c31ffc601e667e52d13959
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d93b22296edf1bb215267871e8cc690f70fbf1af38c31ffc601e667e52d13959", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d93b22296edf1bb215267871e8cc690f70fbf1af38c31ffc601e667e52d13959", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d93b22296edf1bb215267871e8cc690f70fbf1af38c31ffc601e667e52d13959", kill_on_drop: false }`
[INFO] [stdout] d93b22296edf1bb215267871e8cc690f70fbf1af38c31ffc601e667e52d13959
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3567d39e5ebc668cac0012e4b15877d2bfd54ee2b649db2144a58dc80b645888
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3567d39e5ebc668cac0012e4b15877d2bfd54ee2b649db2144a58dc80b645888", kill_on_drop: false }`
[INFO] [stderr]    Compiling Lights v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/wifi_led_bulb.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 | ...   let mut new_bulb = WifiLEDBulb {ip_addr, port, timeout: 5, protocol: "".to_string(), rgb_capable: false, rgb_protocol: false, raw_s...
[INFO] [stdout]    |           ----^^^^^^^^
[INFO] [stdout]    |           |
[INFO] [stdout]    |           help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `WifiLEDBulb`
[INFO] [stdout]  --> src/wifi_led_bulb.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     struct WifiLEDBulb {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/wifi_led_bulb.rs:30:16
[INFO] [stdout]    |
[INFO] [stdout] 30 |         pub fn new(ip_addr: Ipv4Addr, port: u16) -> WifiLEDBulb{
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_on`
[INFO] [stdout]   --> src/wifi_led_bulb.rs:42:16
[INFO] [stdout]    |
[INFO] [stdout] 42 |         pub fn is_on(&self) -> bool{
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mode`
[INFO] [stdout]   --> src/wifi_led_bulb.rs:46:16
[INFO] [stdout]    |
[INFO] [stdout] 46 |         pub fn mode(&self) -> String{
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `determine_query_len`
[INFO] [stdout]   --> src/wifi_led_bulb.rs:51:16
[INFO] [stdout]    |
[INFO] [stdout] 51 |         pub fn determine_query_len(&self) {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update_state`
[INFO] [stdout]   --> src/wifi_led_bulb.rs:56:16
[INFO] [stdout]    |
[INFO] [stdout] 56 |         pub fn update_state(&self) {
[INFO] [stdout]    |                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Lights` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `lights`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "3567d39e5ebc668cac0012e4b15877d2bfd54ee2b649db2144a58dc80b645888", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3567d39e5ebc668cac0012e4b15877d2bfd54ee2b649db2144a58dc80b645888", kill_on_drop: false }`
[INFO] [stdout] 3567d39e5ebc668cac0012e4b15877d2bfd54ee2b649db2144a58dc80b645888
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da34c0fc4f0481740495f7006b1b7e1958f35fdf60eac9bcf7d1e8db29fc1c39
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "da34c0fc4f0481740495f7006b1b7e1958f35fdf60eac9bcf7d1e8db29fc1c39", kill_on_drop: false }`
[INFO] [stderr]    Compiling Lights v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/bulb_scanner.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/wifi_led_bulb.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 | ...   let mut new_bulb = WifiLEDBulb {ip_addr, port, timeout: 5, protocol: "".to_string(), rgb_capable: false, rgb_protocol: false, raw_s...
[INFO] [stdout]    |           ----^^^^^^^^
[INFO] [stdout]    |           |
[INFO] [stdout]    |           help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `WifiLEDBulb`
[INFO] [stdout]  --> src/wifi_led_bulb.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     struct WifiLEDBulb {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/wifi_led_bulb.rs:30:16
[INFO] [stdout]    |
[INFO] [stdout] 30 |         pub fn new(ip_addr: Ipv4Addr, port: u16) -> WifiLEDBulb{
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_on`
[INFO] [stdout]   --> src/wifi_led_bulb.rs:42:16
[INFO] [stdout]    |
[INFO] [stdout] 42 |         pub fn is_on(&self) -> bool{
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mode`
[INFO] [stdout]   --> src/wifi_led_bulb.rs:46:16
[INFO] [stdout]    |
[INFO] [stdout] 46 |         pub fn mode(&self) -> String{
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `determine_query_len`
[INFO] [stdout]   --> src/wifi_led_bulb.rs:51:16
[INFO] [stdout]    |
[INFO] [stdout] 51 |         pub fn determine_query_len(&self) {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update_state`
[INFO] [stdout]   --> src/wifi_led_bulb.rs:56:16
[INFO] [stdout]    |
[INFO] [stdout] 56 |         pub fn update_state(&self) {
[INFO] [stdout]    |                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Lights` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `lights`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "da34c0fc4f0481740495f7006b1b7e1958f35fdf60eac9bcf7d1e8db29fc1c39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da34c0fc4f0481740495f7006b1b7e1958f35fdf60eac9bcf7d1e8db29fc1c39", kill_on_drop: false }`
[INFO] [stdout] da34c0fc4f0481740495f7006b1b7e1958f35fdf60eac9bcf7d1e8db29fc1c39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ceca2a599cfe5d4db30a3ce4473ced374a0a17e544bfd8215eb9ecf36911a4df
[INFO] running `Command { std: "docker" "start" "-a" "ceca2a599cfe5d4db30a3ce4473ced374a0a17e544bfd8215eb9ecf36911a4df", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/bulb_scanner.rs:74:9
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 74 |     use super::*;
[INFO] [stdout] 
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/wifi_led_bulb.rs:34:17
[INFO] [stderr]    |
[INFO] [stderr] 34 | ...   let mut new_bulb = WifiLEDBulb {ip_addr, port, timeout: 5, protocol: "".to_string(), rgb_capable: false, rgb_protocol: false, raw_s...
[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: struct is never constructed: `WifiLEDBulb`
[INFO] [stderr]  --> src/wifi_led_bulb.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 |     struct WifiLEDBulb {
[INFO] [stderr]   |            ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/wifi_led_bulb.rs:30:16
[INFO] [stderr]    |
[INFO] [stderr] 30 |         pub fn new(ip_addr: Ipv4Addr, port: u16) -> WifiLEDBulb{
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_on`
[INFO] [stderr]   --> src/wifi_led_bulb.rs:42:16
[INFO] [stderr]    |
[INFO] [stderr] 42 |         pub fn is_on(&self) -> bool{
[INFO] [stderr]    |                ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `mode`
[INFO] [stderr]   --> src/wifi_led_bulb.rs:46:16
[INFO] [stderr]    |
[INFO] [stderr] 46 |         pub fn mode(&self) -> String{
[INFO] [stderr]    |                ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `determine_query_len`
[INFO] [stderr]   --> src/wifi_led_bulb.rs:51:16
[INFO] [stderr]    |
[INFO] [stderr] 51 |         pub fn determine_query_len(&self) {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `update_state`
[INFO] [stderr]   --> src/wifi_led_bulb.rs:56:16
[INFO] [stderr]    |
[INFO] [stderr] 56 |         pub fn update_state(&self) {
[INFO] [stderr]    |                ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Lights` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `lights`
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/Lights-7488d09b2a8e5d14
[INFO] running `Command { std: "docker" "inspect" "ceca2a599cfe5d4db30a3ce4473ced374a0a17e544bfd8215eb9ecf36911a4df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ceca2a599cfe5d4db30a3ce4473ced374a0a17e544bfd8215eb9ecf36911a4df", kill_on_drop: false }`
[INFO] [stdout] ceca2a599cfe5d4db30a3ce4473ced374a0a17e544bfd8215eb9ecf36911a4df