[INFO] cloning repository https://github.com/cbares/sbus-receiver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cbares/sbus-receiver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcbares%2Fsbus-receiver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcbares%2Fsbus-receiver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4eede2eb4808a1eac485fa8108533749d8909ec6
[INFO] checking cbares/sbus-receiver against master#6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd for pr-153721
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcbares%2Fsbus-receiver" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-1-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/cbares/sbus-receiver
[INFO] finished tweaking git repo https://github.com/cbares/sbus-receiver
[INFO] tweaked toml for git repo https://github.com/cbares/sbus-receiver written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cbares/sbus-receiver on toolchain 6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cbares/sbus-receiver 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" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 2fe1d2778b2a5ef0f55ae6da957601c2aeeb166e72f68f2166a0fd9bef02f968
[INFO] running `Command { std: "docker" "start" "2fe1d2778b2a5ef0f55ae6da957601c2aeeb166e72f68f2166a0fd9bef02f968", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2fe1d2778b2a5ef0f55ae6da957601c2aeeb166e72f68f2166a0fd9bef02f968" "/opt/rustwide/cargo-home/bin/cargo" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fe1d2778b2a5ef0f55ae6da957601c2aeeb166e72f68f2166a0fd9bef02f968", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2fe1d2778b2a5ef0f55ae6da957601c2aeeb166e72f68f2166a0fd9bef02f968" "/opt/rustwide/cargo-home/bin/cargo" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]     Checking sbus-receiver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: `#[panic_handler]` function required, but not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sbus-receiver` (bin "sbus-receiver") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: methods `get_channels`, `get_channel`, and `get_channel_state` are never used
[INFO] [stdout]   --> src/sbus.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<const N: usize> Sbus<N> {
[INFO] [stdout]    | ---------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn get_channels(&self) -> &[u16] {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn get_channel(&self, index: usize) -> Option<u16> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn get_channel_state(&self, index: usize) -> Option<TriState> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ChannelState` is never used
[INFO] [stdout]    --> src/sbus.rs:149:10
[INFO] [stdout]     |
[INFO] [stdout] 149 | pub enum ChannelState {
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TriState` is never used
[INFO] [stdout]    --> src/sbus.rs:155:10
[INFO] [stdout]     |
[INFO] [stdout] 155 | pub enum TriState {
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `get_state` is never used
[INFO] [stdout]    --> src/sbus.rs:162:12
[INFO] [stdout]     |
[INFO] [stdout] 161 | impl TriState {
[INFO] [stdout]     | ------------- associated function in this implementation
[INFO] [stdout] 162 |     pub fn get_state(value: u16) -> TriState {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `BoolState` is never used
[INFO] [stdout]    --> src/sbus.rs:171:11
[INFO] [stdout]     |
[INFO] [stdout] 171 | pub enum  BoolState {
[INFO] [stdout]     |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `get_state` is never used
[INFO] [stdout]    --> src/sbus.rs:177:12
[INFO] [stdout]     |
[INFO] [stdout] 176 | impl BoolState {
[INFO] [stdout]     | -------------- associated function in this implementation
[INFO] [stdout] 177 |     pub fn get_state(value: u16) -> BoolState {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ValueState` is never used
[INFO] [stdout]    --> src/sbus.rs:186:10
[INFO] [stdout]     |
[INFO] [stdout] 186 | pub enum ValueState {
[INFO] [stdout]     |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2fe1d2778b2a5ef0f55ae6da957601c2aeeb166e72f68f2166a0fd9bef02f968", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fe1d2778b2a5ef0f55ae6da957601c2aeeb166e72f68f2166a0fd9bef02f968", kill_on_drop: false }`
[INFO] [stdout] 2fe1d2778b2a5ef0f55ae6da957601c2aeeb166e72f68f2166a0fd9bef02f968