[INFO] cloning repository https://github.com/prioritize/fc_backend
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/prioritize/fc_backend" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprioritize%2Ffc_backend", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprioritize%2Ffc_backend'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6b11f4a9e59bca7cc28075b20289982497583645
[INFO] checking prioritize/fc_backend against try#f70ee28831acc074c109afab32d287057c3eca46 for pr-149389
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprioritize%2Ffc_backend" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/prioritize/fc_backend
[INFO] finished tweaking git repo https://github.com/prioritize/fc_backend
[INFO] tweaked toml for git repo https://github.com/prioritize/fc_backend written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/prioritize/fc_backend on toolchain f70ee28831acc074c109afab32d287057c3eca46
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f70ee28831acc074c109afab32d287057c3eca46" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/prioritize/fc_backend 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" "+f70ee28831acc074c109afab32d287057c3eca46" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded actix-ws v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+f70ee28831acc074c109afab32d287057c3eca46" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6fecf60f5484a07d66fefdfba3ceb71f0c3d2baa122fc74bc7bc908415b04161
[INFO] running `Command { std: "docker" "start" "-a" "6fecf60f5484a07d66fefdfba3ceb71f0c3d2baa122fc74bc7bc908415b04161", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fecf60f5484a07d66fefdfba3ceb71f0c3d2baa122fc74bc7bc908415b04161", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fecf60f5484a07d66fefdfba3ceb71f0c3d2baa122fc74bc7bc908415b04161", kill_on_drop: false }`
[INFO] [stdout] 6fecf60f5484a07d66fefdfba3ceb71f0c3d2baa122fc74bc7bc908415b04161
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+f70ee28831acc074c109afab32d287057c3eca46" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ceb068cb51cee1496a7038a1121931dafbaf19d49e28593aa3264d86fca3a0c
[INFO] running `Command { std: "docker" "start" "-a" "2ceb068cb51cee1496a7038a1121931dafbaf19d49e28593aa3264d86fca3a0c", kill_on_drop: false }`
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[INFO] [stdout] warning: unused variable: `channel`
[INFO] [stdout]   --> src/main.rs:64:32
[INFO] [stdout]    |
[INFO] [stdout] 64 | async fn gyro_channel_consumer(channel: tokio::sync::mpsc::Receiver<[u16; 3]>) {}
[INFO] [stdout]    |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_channel`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `channel`
[INFO] [stdout]   --> src/main.rs:64:32
[INFO] [stdout]    |
[INFO] [stdout] 64 | async fn gyro_channel_consumer(channel: tokio::sync::mpsc::Receiver<[u16; 3]>) {}
[INFO] [stdout]    |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_channel`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gyro_rx`
[INFO] [stdout]   --> src/main.rs:80:19
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let (gyro_tx, gyro_rx) = tokio::sync::mpsc::channel::<[u16; 3]>(4096);
[INFO] [stdout]    |                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_gyro_rx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gyro_rx`
[INFO] [stdout]   --> src/main.rs:80:19
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let (gyro_tx, gyro_rx) = tokio::sync::mpsc::channel::<[u16; 3]>(4096);
[INFO] [stdout]    |                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_gyro_rx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gyro_channel_consumer` is never used
[INFO] [stdout]   --> src/main.rs:64:10
[INFO] [stdout]    |
[INFO] [stdout] 64 | async fn gyro_channel_consumer(channel: tokio::sync::mpsc::Receiver<[u16; 3]>) {}
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gyro_channel_worker` is never used
[INFO] [stdout]   --> src/main.rs:66:10
[INFO] [stdout]    |
[INFO] [stdout] 66 | async fn gyro_channel_worker(channel: &mut Receiver<[u16; 3]>) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gyro_channel_consumer` is never used
[INFO] [stdout]   --> src/main.rs:64:10
[INFO] [stdout]    |
[INFO] [stdout] 64 | async fn gyro_channel_consumer(channel: tokio::sync::mpsc::Receiver<[u16; 3]>) {}
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gyro_channel_worker` is never used
[INFO] [stdout]   --> src/main.rs:66:10
[INFO] [stdout]    |
[INFO] [stdout] 66 | async fn gyro_channel_worker(channel: &mut Receiver<[u16; 3]>) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.80s
[INFO] running `Command { std: "docker" "inspect" "2ceb068cb51cee1496a7038a1121931dafbaf19d49e28593aa3264d86fca3a0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ceb068cb51cee1496a7038a1121931dafbaf19d49e28593aa3264d86fca3a0c", kill_on_drop: false }`
[INFO] [stdout] 2ceb068cb51cee1496a7038a1121931dafbaf19d49e28593aa3264d86fca3a0c