[INFO] cloning repository https://github.com/raffber/iot-over-can
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/raffber/iot-over-can" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraffber%2Fiot-over-can", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraffber%2Fiot-over-can'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ecf2ab93149d4e9420093dcf660ebd57fb9abd82
[INFO] checking raffber/iot-over-can against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraffber%2Fiot-over-can" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/raffber/iot-over-can
[INFO] finished tweaking git repo https://github.com/raffber/iot-over-can
[INFO] tweaked toml for git repo https://github.com/raffber/iot-over-can written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/raffber/iot-over-can on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/raffber/iot-over-can 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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5afc293bad73e737daf49a62f83ce9c9596ee6b33ff1cba015e86fd18d49c9e1
[INFO] running `Command { std: "docker" "start" "-a" "5afc293bad73e737daf49a62f83ce9c9596ee6b33ff1cba015e86fd18d49c9e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5afc293bad73e737daf49a62f83ce9c9596ee6b33ff1cba015e86fd18d49c9e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5afc293bad73e737daf49a62f83ce9c9596ee6b33ff1cba015e86fd18d49c9e1", kill_on_drop: false }`
[INFO] [stdout] 5afc293bad73e737daf49a62f83ce9c9596ee6b33ff1cba015e86fd18d49c9e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5659adb86ed90166a82eae1e3205f8becf0dfd0a214af5ff41a509b32adf5a5
[INFO] running `Command { std: "docker" "start" "-a" "c5659adb86ed90166a82eae1e3205f8becf0dfd0a214af5ff41a509b32adf5a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling syn v2.0.116
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]     Checking thiserror v2.0.18
[INFO] [stderr]     Checking iot-over-can v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `chunk`
[INFO] [stdout]   --> src/lib.rs:55:36
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn buffer_chunk(&mut self, chunk: Chunk) -> Result<(), ChunkBufferError> {
[INFO] [stdout]    |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_chunk`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sink`
[INFO] [stdout]   --> src/lib.rs:97:71
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn send(&mut self, connection_id: ConnectionId, message: Message, sink: &mut ChunkBuffer) {
[INFO] [stdout]    |                                                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_sink`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Transmitter` is never constructed
[INFO] [stdout]   --> src/lib.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub struct Transmitter {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Receiver` is never constructed
[INFO] [stdout]    --> src/lib.rs:115:12
[INFO] [stdout]     |
[INFO] [stdout] 115 | pub struct Receiver {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `iot-over-can` (lib) due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `chunk`
[INFO] [stdout]   --> src/lib.rs:55:36
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn buffer_chunk(&mut self, chunk: Chunk) -> Result<(), ChunkBufferError> {
[INFO] [stdout]    |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_chunk`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sink`
[INFO] [stdout]   --> src/lib.rs:97:71
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn send(&mut self, connection_id: ConnectionId, message: Message, sink: &mut ChunkBuffer) {
[INFO] [stdout]    |                                                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_sink`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Transmitter` is never constructed
[INFO] [stdout]   --> src/lib.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub struct Transmitter {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Receiver` is never constructed
[INFO] [stdout]    --> src/lib.rs:115:12
[INFO] [stdout]     |
[INFO] [stdout] 115 | pub struct Receiver {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `iot-over-can` (lib test) due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "c5659adb86ed90166a82eae1e3205f8becf0dfd0a214af5ff41a509b32adf5a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5659adb86ed90166a82eae1e3205f8becf0dfd0a214af5ff41a509b32adf5a5", kill_on_drop: false }`
[INFO] [stdout] c5659adb86ed90166a82eae1e3205f8becf0dfd0a214af5ff41a509b32adf5a5