[INFO] fetching crate gmqtt 0.1.1...
[INFO] checking gmqtt-0.1.1 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate gmqtt 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate gmqtt 0.1.1
[INFO] finished tweaking crates.io crate gmqtt 0.1.1
[INFO] tweaked toml for crates.io crate gmqtt 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate gmqtt 0.1.1 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate gmqtt 0.1.1 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b58b2271eee559942b016e9d67fdf0de15bb7b3caaa5254db93707f6678e9b1
[INFO] running `Command { std: "docker" "start" "-a" "0b58b2271eee559942b016e9d67fdf0de15bb7b3caaa5254db93707f6678e9b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b58b2271eee559942b016e9d67fdf0de15bb7b3caaa5254db93707f6678e9b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b58b2271eee559942b016e9d67fdf0de15bb7b3caaa5254db93707f6678e9b1", kill_on_drop: false }`
[INFO] [stdout] 0b58b2271eee559942b016e9d67fdf0de15bb7b3caaa5254db93707f6678e9b1
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8192a3d55ef4c16747a517ab652fb052f6ad659e29c39cdb3e0257f258267ca6
[INFO] running `Command { std: "docker" "start" "-a" "8192a3d55ef4c16747a517ab652fb052f6ad659e29c39cdb3e0257f258267ca6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking spin v0.9.2
[INFO] [stderr]     Checking heapless v0.7.7
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling num_enum_derive v0.5.4
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking num_enum v0.5.4
[INFO] [stderr]     Checking gmqtt v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/control_packet.rs:204:25
[INFO] [stdout]     |
[INFO] [stdout] 204 | pub fn read_packet(buf: &[u8]) -> Result<Packet, MqttError> {
[INFO] [stdout]     |                         ^^^^^            ------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 204 | pub fn read_packet(buf: &[u8]) -> Result<Packet<'_>, MqttError> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/control_packet.rs:204:25
[INFO] [stdout]     |
[INFO] [stdout] 204 | pub fn read_packet(buf: &[u8]) -> Result<Packet, MqttError> {
[INFO] [stdout]     |                         ^^^^^            ------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 204 | pub fn read_packet(buf: &[u8]) -> Result<Packet<'_>, MqttError> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.50s
[INFO] running `Command { std: "docker" "inspect" "8192a3d55ef4c16747a517ab652fb052f6ad659e29c39cdb3e0257f258267ca6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8192a3d55ef4c16747a517ab652fb052f6ad659e29c39cdb3e0257f258267ca6", kill_on_drop: false }`
[INFO] [stdout] 8192a3d55ef4c16747a517ab652fb052f6ad659e29c39cdb3e0257f258267ca6