[INFO] cloning repository https://github.com/kuchmenko/webcii
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kuchmenko/webcii" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkuchmenko%2Fwebcii", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkuchmenko%2Fwebcii'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bcc7546b06054efc8ac025c3abff6e037af41862
[INFO] checking kuchmenko/webcii against master#8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd for pr-150557
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkuchmenko%2Fwebcii" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kuchmenko/webcii
[INFO] finished tweaking git repo https://github.com/kuchmenko/webcii
[INFO] tweaked toml for git repo https://github.com/kuchmenko/webcii written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kuchmenko/webcii on toolchain 8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kuchmenko/webcii 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" "+8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "0da898e25ec0215bdb9766856fcfc08877a5e10ec94002dad2d05d3d72b7333a", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `Sender`
[INFO] [stdout]   --> src/capture.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 |         watch::{self, Sender},
[INFO] [stdout]    |                       ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Sender`
[INFO] [stdout]   --> src/capture.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 |         watch::{self, Sender},
[INFO] [stdout]    |                       ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `shutdown_tx` and `task_handle` are never read
[INFO] [stdout]   --> src/capture.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct Capturer {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 25 |     frame_tx: broadcast::Sender<Frame>,
[INFO] [stdout] 26 |     shutdown_tx: watch::Sender<bool>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 27 |     task_handle: task::JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `bits_per_channel` is never read
[INFO] [stdout]   --> src/renderer.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub struct Renderer {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 44 |     bits_per_channel: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `generate_color_lookup` is never used
[INFO] [stdout]    --> src/renderer.rs:354:8
[INFO] [stdout]     |
[INFO] [stdout]  63 | impl Renderer {
[INFO] [stdout]     | ------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 354 |     fn generate_color_lookup(bits_per_channel: u8) -> Vec<String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `shutdown_tx` and `task_handle` are never read
[INFO] [stdout]   --> src/capture.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct Capturer {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 25 |     frame_tx: broadcast::Sender<Frame>,
[INFO] [stdout] 26 |     shutdown_tx: watch::Sender<bool>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 27 |     task_handle: task::JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `bits_per_channel` is never read
[INFO] [stdout]   --> src/renderer.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub struct Renderer {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 44 |     bits_per_channel: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `generate_color_lookup` is never used
[INFO] [stdout]    --> src/renderer.rs:354:8
[INFO] [stdout]     |
[INFO] [stdout]  63 | impl Renderer {
[INFO] [stdout]     | ------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 354 |     fn generate_color_lookup(bits_per_channel: u8) -> Vec<String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 45.04s
[INFO] running `Command { std: "docker" "inspect" "f433deacdf00966be59296de69acf5003876cb3fb215aeb2bb04fe68211bd363", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f433deacdf00966be59296de69acf5003876cb3fb215aeb2bb04fe68211bd363", kill_on_drop: false }`
[INFO] [stdout] f433deacdf00966be59296de69acf5003876cb3fb215aeb2bb04fe68211bd363