[INFO] cloning repository https://github.com/hargoniX/mumble-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hargoniX/mumble-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FhargoniX%2Fmumble-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FhargoniX%2Fmumble-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 572a19eef92a2d5e604114ffcc749ba47a3aa27b
[INFO] checking hargoniX/mumble-rs against master#31ee872db5aae4750e3da1ca4ed1523c4356947f for pr-78461
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FhargoniX%2Fmumble-rs" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hargoniX/mumble-rs on toolchain 31ee872db5aae4750e3da1ca4ed1523c4356947f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hargoniX/mumble-rs
[INFO] finished tweaking git repo https://github.com/hargoniX/mumble-rs
[INFO] tweaked toml for git repo https://github.com/hargoniX/mumble-rs written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/hargoniX/mumble-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec3f967ebe948dec86d3186dc2a31ba94665e6516d981549083ff578ed0424a7
[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" "ec3f967ebe948dec86d3186dc2a31ba94665e6516d981549083ff578ed0424a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec3f967ebe948dec86d3186dc2a31ba94665e6516d981549083ff578ed0424a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec3f967ebe948dec86d3186dc2a31ba94665e6516d981549083ff578ed0424a7", kill_on_drop: false }`
[INFO] [stdout] ec3f967ebe948dec86d3186dc2a31ba94665e6516d981549083ff578ed0424a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc96c86cdb3a53d6b4f9467a5b9e1eb6e2166c2921f4b75baaa06e9b52ed3903
[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" "bc96c86cdb3a53d6b4f9467a5b9e1eb6e2166c2921f4b75baaa06e9b52ed3903", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling protobuf v2.14.0
[INFO] [stderr]     Checking arc-swap v0.4.6
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling openssl-sys v0.9.55
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking os_info v2.0.2
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling protobuf-codegen v2.14.0
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling async-trait v0.1.30
[INFO] [stderr]    Compiling protobuf-codegen-pure v2.14.0
[INFO] [stderr]     Checking tokio v0.2.20
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]    Compiling mumble-protocol v0.3.0
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]     Checking mumble-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `sender`
[INFO] [stdout]   --> examples/test_bot.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         sender: &mut Sender,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sender`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `packet`
[INFO] [stdout]   --> examples/test_bot.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         packet: &Packet,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `client_info`
[INFO] [stdout]   --> examples/test_bot.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         client_info: &ClientInfo,
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_client_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sender`
[INFO] [stdout]   --> examples/test_bot.rs:48:32
[INFO] [stdout]    |
[INFO] [stdout] 48 |     async fn finish(&mut self, sender: &mut Sender, client_info: &ClientInfo) -> Result<()> {
[INFO] [stdout]    |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sender`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `client_info`
[INFO] [stdout]   --> examples/test_bot.rs:48:53
[INFO] [stdout]    |
[INFO] [stdout] 48 |     async fn finish(&mut self, sender: &mut Sender, client_info: &ClientInfo) -> Result<()> {
[INFO] [stdout]    |                                                     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_client_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.26s
[INFO] running `Command { std: "docker" "inspect" "bc96c86cdb3a53d6b4f9467a5b9e1eb6e2166c2921f4b75baaa06e9b52ed3903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc96c86cdb3a53d6b4f9467a5b9e1eb6e2166c2921f4b75baaa06e9b52ed3903", kill_on_drop: false }`
[INFO] [stdout] bc96c86cdb3a53d6b4f9467a5b9e1eb6e2166c2921f4b75baaa06e9b52ed3903