[INFO] cloning repository https://github.com/GoX1337/mqtt-broker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GoX1337/mqtt-broker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGoX1337%2Fmqtt-broker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGoX1337%2Fmqtt-broker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bbbbe206df87a03f4a6010e7fa92f160c822f7ae
[INFO] testing GoX1337/mqtt-broker against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGoX1337%2Fmqtt-broker" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GoX1337/mqtt-broker on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/GoX1337/mqtt-broker
[INFO] finished tweaking git repo https://github.com/GoX1337/mqtt-broker
[INFO] tweaked toml for git repo https://github.com/GoX1337/mqtt-broker written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/GoX1337/mqtt-broker already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de8981b520d39b029916cafe0f62d29b1bff32f692e24b286252f5048eb928a5
[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" "de8981b520d39b029916cafe0f62d29b1bff32f692e24b286252f5048eb928a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de8981b520d39b029916cafe0f62d29b1bff32f692e24b286252f5048eb928a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de8981b520d39b029916cafe0f62d29b1bff32f692e24b286252f5048eb928a5", kill_on_drop: false }`
[INFO] [stdout] de8981b520d39b029916cafe0f62d29b1bff32f692e24b286252f5048eb928a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5f01a7ae9f4297d11e80359c8b3d5088c091bbd93192341c66b337276d9ab6f
[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" "e5f01a7ae9f4297d11e80359c8b3d5088c091bbd93192341c66b337276d9ab6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling mqtt-broker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `CONNECTION_ACCEPTED` should have an upper camel case name
[INFO] [stdout]  --> src/mqtt/return_code.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 |    CONNECTION_ACCEPTED,
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ConnectionAccepted`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `serialize`
[INFO] [stdout]   --> src/mqtt/packet.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn serialize(&self) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UNKNOWN`
[INFO] [stdout]  --> src/mqtt/return_code.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 |    UNKNOWN
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_u8`
[INFO] [stdout]  --> src/mqtt/return_code.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn from_u8(value: u8) -> ReturnCode {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "e5f01a7ae9f4297d11e80359c8b3d5088c091bbd93192341c66b337276d9ab6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5f01a7ae9f4297d11e80359c8b3d5088c091bbd93192341c66b337276d9ab6f", kill_on_drop: false }`
[INFO] [stdout] e5f01a7ae9f4297d11e80359c8b3d5088c091bbd93192341c66b337276d9ab6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4e4d3a140736253d8950589fc8598be2e88606aa0fc6b1b4c787946a31ae5ed
[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" "e4e4d3a140736253d8950589fc8598be2e88606aa0fc6b1b4c787946a31ae5ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling mqtt-broker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `CONNECTION_ACCEPTED` should have an upper camel case name
[INFO] [stdout]  --> src/mqtt/return_code.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 |    CONNECTION_ACCEPTED,
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ConnectionAccepted`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `serialize`
[INFO] [stdout]   --> src/mqtt/packet.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn serialize(&self) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UNKNOWN`
[INFO] [stdout]  --> src/mqtt/return_code.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 |    UNKNOWN
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_u8`
[INFO] [stdout]  --> src/mqtt/return_code.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn from_u8(value: u8) -> ReturnCode {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e4e4d3a140736253d8950589fc8598be2e88606aa0fc6b1b4c787946a31ae5ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4e4d3a140736253d8950589fc8598be2e88606aa0fc6b1b4c787946a31ae5ed", kill_on_drop: false }`
[INFO] [stdout] e4e4d3a140736253d8950589fc8598be2e88606aa0fc6b1b4c787946a31ae5ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3c54dd6754c87a555f5894a13793513b4f25d9d7ccee883a0335f2a7f73e4f86
[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" "3c54dd6754c87a555f5894a13793513b4f25d9d7ccee883a0335f2a7f73e4f86", kill_on_drop: false }`
[INFO] [stderr] warning: variant `CONNECTION_ACCEPTED` should have an upper camel case name
[INFO] [stderr]  --> src/mqtt/return_code.rs:3:4
[INFO] [stderr]   |
[INFO] [stderr] 3 |    CONNECTION_ACCEPTED,
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ConnectionAccepted`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `serialize`
[INFO] [stderr]   --> src/mqtt/packet.rs:25:12
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn serialize(&self) -> Vec<u8> {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UNKNOWN`
[INFO] [stderr]  --> src/mqtt/return_code.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 4 |    UNKNOWN
[INFO] [stderr]   |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `from_u8`
[INFO] [stderr]  --> src/mqtt/return_code.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub fn from_u8(value: u8) -> ReturnCode {
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mqtt_broker-90617a62cdd6929a
[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 `Command { std: "docker" "inspect" "3c54dd6754c87a555f5894a13793513b4f25d9d7ccee883a0335f2a7f73e4f86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c54dd6754c87a555f5894a13793513b4f25d9d7ccee883a0335f2a7f73e4f86", kill_on_drop: false }`
[INFO] [stdout] 3c54dd6754c87a555f5894a13793513b4f25d9d7ccee883a0335f2a7f73e4f86