[INFO] cloning 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" "clone" "--bare" "https://github.com/BonsaiDen/lobby-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBonsaiDen%2Flobby-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBonsaiDen%2Flobby-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 392d531299146486fd8f9df0de7650ef11516a1a
[INFO] checking BonsaiDen/lobby-server against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBonsaiDen%2Flobby-server" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BonsaiDen/lobby-server on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-2-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v0.5.1
[INFO] [stderr]   Downloaded serde_derive v1.0.37
[INFO] [stderr]   Downloaded serde_derive_internals v0.23.0
[INFO] [stderr]   Downloaded num-integer v0.1.36
[INFO] [stderr]   Downloaded redox_syscall v0.1.37
[INFO] [stderr]   Downloaded byteorder v1.2.2
[INFO] [stderr]   Downloaded time v0.1.39
[INFO] [stderr]   Downloaded syn v0.13.1
[INFO] [stderr]   Downloaded serde v1.0.37
[INFO] [stderr]   Downloaded bincode v1.0.0
[INFO] [stderr]   Downloaded chrono v0.4.2
[INFO] [stderr]   Downloaded proc-macro2 v0.3.6
[INFO] [stderr]   Downloaded num-traits v0.2.2
[INFO] [stderr]   Downloaded log v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8dbc15f479802a3e78cc1cb75cbd4882a2fd8785ab7360916c9bc5b5d2c15622
[INFO] running `Command { std: "docker" "start" "-a" "8dbc15f479802a3e78cc1cb75cbd4882a2fd8785ab7360916c9bc5b5d2c15622", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8dbc15f479802a3e78cc1cb75cbd4882a2fd8785ab7360916c9bc5b5d2c15622", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dbc15f479802a3e78cc1cb75cbd4882a2fd8785ab7360916c9bc5b5d2c15622", kill_on_drop: false }`
[INFO] [stdout] 8dbc15f479802a3e78cc1cb75cbd4882a2fd8785ab7360916c9bc5b5d2c15622
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aeacb0a8aca77d3830ea7399b58a33e6cecd07e8cbd5baf29eb5d7e035b462d8
[INFO] running `Command { std: "docker" "start" "-a" "aeacb0a8aca77d3830ea7399b58a33e6cecd07e8cbd5baf29eb5d7e035b462d8", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling proc-macro2 v0.3.6
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]     Checking serde v1.0.37
[INFO] [stderr]     Checking byteorder v1.2.2
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking num-traits v0.2.2
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]    Compiling quote v0.5.1
[INFO] [stderr]    Compiling syn v0.13.1
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking time v0.1.39
[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` profile [unoptimized + debuginfo] target(s) in 3.46s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.13.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 7`
[INFO] running `Command { std: "docker" "inspect" "aeacb0a8aca77d3830ea7399b58a33e6cecd07e8cbd5baf29eb5d7e035b462d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aeacb0a8aca77d3830ea7399b58a33e6cecd07e8cbd5baf29eb5d7e035b462d8", kill_on_drop: false }`
[INFO] [stdout] aeacb0a8aca77d3830ea7399b58a33e6cecd07e8cbd5baf29eb5d7e035b462d8
[INFO] checking BonsaiDen/lobby-server against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBonsaiDen%2Flobby-server" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BonsaiDen/lobby-server on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-2-tc2/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 605aaa9ec1545b87456d502735018ac2b4c9bfc3cc675e4f4005a1b0381b0b01
[INFO] running `Command { std: "docker" "start" "-a" "605aaa9ec1545b87456d502735018ac2b4c9bfc3cc675e4f4005a1b0381b0b01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "605aaa9ec1545b87456d502735018ac2b4c9bfc3cc675e4f4005a1b0381b0b01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "605aaa9ec1545b87456d502735018ac2b4c9bfc3cc675e4f4005a1b0381b0b01", kill_on_drop: false }`
[INFO] [stdout] 605aaa9ec1545b87456d502735018ac2b4c9bfc3cc675e4f4005a1b0381b0b01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35741ed9794a6883cf22cd4738a5dd323a642b784187470f89ea3df9fc478ae9
[INFO] running `Command { std: "docker" "start" "-a" "35741ed9794a6883cf22cd4738a5dd323a642b784187470f89ea3df9fc478ae9", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling proc-macro2 v0.3.6
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]     Checking num-traits v0.2.2
[INFO] [stderr]     Checking byteorder v1.2.2
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking serde v1.0.37
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]    Compiling quote v0.5.1
[INFO] [stderr]    Compiling syn v0.13.1
[INFO] [stderr]     Checking num-integer v0.1.36
[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` profile [unoptimized + debuginfo] target(s) in 3.45s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.13.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 7`
[INFO] running `Command { std: "docker" "inspect" "35741ed9794a6883cf22cd4738a5dd323a642b784187470f89ea3df9fc478ae9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35741ed9794a6883cf22cd4738a5dd323a642b784187470f89ea3df9fc478ae9", kill_on_drop: false }`
[INFO] [stdout] 35741ed9794a6883cf22cd4738a5dd323a642b784187470f89ea3df9fc478ae9