[INFO] cloning repository https://github.com/thunderstorm010/ping-protocol-core
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thunderstorm010/ping-protocol-core" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthunderstorm010%2Fping-protocol-core", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthunderstorm010%2Fping-protocol-core'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] daee3e1307640081b600b4d5710ec06615b58d91
[INFO] checking thunderstorm010/ping-protocol-core against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthunderstorm010%2Fping-protocol-core" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/thunderstorm010/ping-protocol-core
[INFO] finished tweaking git repo https://github.com/thunderstorm010/ping-protocol-core
[INFO] tweaked toml for git repo https://github.com/thunderstorm010/ping-protocol-core written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/thunderstorm010/ping-protocol-core on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/thunderstorm010/ping-protocol-core 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2eb597f3d406bda555f885e0407b3d28445b34df903ecb84211de2ceb4e7ba8e
[INFO] running `Command { std: "docker" "start" "-a" "2eb597f3d406bda555f885e0407b3d28445b34df903ecb84211de2ceb4e7ba8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2eb597f3d406bda555f885e0407b3d28445b34df903ecb84211de2ceb4e7ba8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2eb597f3d406bda555f885e0407b3d28445b34df903ecb84211de2ceb4e7ba8e", kill_on_drop: false }`
[INFO] [stdout] 2eb597f3d406bda555f885e0407b3d28445b34df903ecb84211de2ceb4e7ba8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fd8663f11351c735f8833aab286353236d44e2194682136ab39fc7873f93a7d
[INFO] running `Command { std: "docker" "start" "-a" "6fd8663f11351c735f8833aab286353236d44e2194682136ab39fc7873f93a7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling embedded-io-async v0.6.1
[INFO] [stderr]     Checking embedded-io v0.6.1
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.89
[INFO] [stderr]    Compiling bytemuck_derive v1.8.0
[INFO] [stderr]     Checking bytemuck v1.20.0
[INFO] [stderr]     Checking ping-protocol-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]   --> src/messages.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / /// Utility for using low endian integers with bytemuck
[INFO] [stdout] 8  | | #[repr(transparent)]
[INFO] [stdout] 9  | | #[derive(Clone, Copy, AnyBitPattern)]
[INFO] [stdout] 10 | | pub struct LowEndianInteger<T: num_traits::PrimInt + bytemuck::AnyBitPattern> {
[INFO] [stdout] 11 | |     t: T
[INFO] [stdout] 12 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/lib.rs:31:32
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn as_protocol_message(&self) -> ProtocolMessage {
[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] 31 |     pub fn as_protocol_message(&self) -> ProtocolMessage<'_> {
[INFO] [stdout]    |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]   --> src/messages.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / /// Utility for using low endian integers with bytemuck
[INFO] [stdout] 8  | | #[repr(transparent)]
[INFO] [stdout] 9  | | #[derive(Clone, Copy, AnyBitPattern)]
[INFO] [stdout] 10 | | pub struct LowEndianInteger<T: num_traits::PrimInt + bytemuck::AnyBitPattern> {
[INFO] [stdout] 11 | |     t: T
[INFO] [stdout] 12 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/lib.rs:31:32
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn as_protocol_message(&self) -> ProtocolMessage {
[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] 31 |     pub fn as_protocol_message(&self) -> ProtocolMessage<'_> {
[INFO] [stdout]    |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.04s
[INFO] running `Command { std: "docker" "inspect" "6fd8663f11351c735f8833aab286353236d44e2194682136ab39fc7873f93a7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fd8663f11351c735f8833aab286353236d44e2194682136ab39fc7873f93a7d", kill_on_drop: false }`
[INFO] [stdout] 6fd8663f11351c735f8833aab286353236d44e2194682136ab39fc7873f93a7d