[INFO] updating cached repository https://github.com/BonsaiDen/lobby-server
[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] 392d531299146486fd8f9df0de7650ef11516a1a
[INFO] checking BonsaiDen/lobby-server against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBonsaiDen%2Flobby-server" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BonsaiDen/lobby-server on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BonsaiDen/lobby-server
[INFO] finished tweaking git repo https://github.com/BonsaiDen/lobby-server
[INFO] tweaked toml for git repo https://github.com/BonsaiDen/lobby-server written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/BonsaiDen/lobby-server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b51b2d01a0068c052af8451f5be06d7c1185083141aed822530849dffc867e8e
[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" "b51b2d01a0068c052af8451f5be06d7c1185083141aed822530849dffc867e8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b51b2d01a0068c052af8451f5be06d7c1185083141aed822530849dffc867e8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b51b2d01a0068c052af8451f5be06d7c1185083141aed822530849dffc867e8e", kill_on_drop: false }`
[INFO] [stdout] b51b2d01a0068c052af8451f5be06d7c1185083141aed822530849dffc867e8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af11bd0c32989e17e677d7ee6701a44c67feffb533e90cd31d294e034aecba2b
[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" "af11bd0c32989e17e677d7ee6701a44c67feffb533e90cd31d294e034aecba2b", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking byteorder v1.2.2
[INFO] [stderr]     Checking serde v1.0.37
[INFO] [stderr]     Checking num-traits v0.2.2
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]    Compiling proc-macro2 v0.3.6
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]    Compiling quote v0.5.1
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]    Compiling syn v0.13.1
[INFO] [stderr]     Checking chrono v0.4.2
[INFO] [stderr]    Compiling serde_derive_internals v0.23.0
[INFO] [stderr]    Compiling serde_derive v1.0.37
[INFO] [stderr]     Checking bincode v1.0.0
[INFO] [stderr]     Checking lbs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> examples/client/main.rs:59:41
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 Event::LobbyJoinRequest(id, conn, payload) => {
[INFO] [stdout]    |                                         ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> examples/client/main.rs:63:47
[INFO] [stdout]    |
[INFO] [stdout] 63 |                 Event::LobbyPreferenceRequest(id, conn, key, value) => {
[INFO] [stdout]    |                                               ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `socket`
[INFO] [stdout]   --> examples/client/main.rs:74:41
[INFO] [stdout]    |
[INFO] [stdout] 74 |                 Event::LobbyStarted(id, socket, connections, pref) => {
[INFO] [stdout]    |                                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_socket`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.82s
[INFO] running `Command { std: "docker" "inspect" "af11bd0c32989e17e677d7ee6701a44c67feffb533e90cd31d294e034aecba2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af11bd0c32989e17e677d7ee6701a44c67feffb533e90cd31d294e034aecba2b", kill_on_drop: false }`
[INFO] [stdout] af11bd0c32989e17e677d7ee6701a44c67feffb533e90cd31d294e034aecba2b