[INFO] cloning repository https://github.com/You-NeverKnow/html-css-renderer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/You-NeverKnow/html-css-renderer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYou-NeverKnow%2Fhtml-css-renderer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYou-NeverKnow%2Fhtml-css-renderer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4d255470f0227770add606918d2dcd83859077ad
[INFO] checking You-NeverKnow/html-css-renderer against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYou-NeverKnow%2Fhtml-css-renderer" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/You-NeverKnow/html-css-renderer on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/You-NeverKnow/html-css-renderer
[INFO] finished tweaking git repo https://github.com/You-NeverKnow/html-css-renderer
[INFO] tweaked toml for git repo https://github.com/You-NeverKnow/html-css-renderer written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/You-NeverKnow/html-css-renderer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b4133165d31c8b6e5c6610ce90960690764889cdd561cc7309f07578d3c8422a
[INFO] running `Command { std: "docker" "start" "-a" "b4133165d31c8b6e5c6610ce90960690764889cdd561cc7309f07578d3c8422a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4133165d31c8b6e5c6610ce90960690764889cdd561cc7309f07578d3c8422a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4133165d31c8b6e5c6610ce90960690764889cdd561cc7309f07578d3c8422a", kill_on_drop: false }`
[INFO] [stdout] b4133165d31c8b6e5c6610ce90960690764889cdd561cc7309f07578d3c8422a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c1fa0c6edefd8c2a3335e9ef8856f6c9ecd69ee05fb94f79175ebc9fc99d831
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8c1fa0c6edefd8c2a3335e9ef8856f6c9ecd69ee05fb94f79175ebc9fc99d831", kill_on_drop: false }`
[INFO] [stderr]     Checking html-css-renderer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Comment`
[INFO] [stdout]   --> src/dom.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Comment(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `attributes`
[INFO] [stdout]   --> src/dom.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     attributes: AttrMap
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `comment`
[INFO] [stdout]   --> src/dom.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn comment(data: String) -> Node {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Comment`
[INFO] [stdout]   --> src/dom.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Comment(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `attributes`
[INFO] [stdout]   --> src/dom.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     attributes: AttrMap
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `comment`
[INFO] [stdout]   --> src/dom.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn comment(data: String) -> Node {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "8c1fa0c6edefd8c2a3335e9ef8856f6c9ecd69ee05fb94f79175ebc9fc99d831", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c1fa0c6edefd8c2a3335e9ef8856f6c9ecd69ee05fb94f79175ebc9fc99d831", kill_on_drop: false }`
[INFO] [stdout] 8c1fa0c6edefd8c2a3335e9ef8856f6c9ecd69ee05fb94f79175ebc9fc99d831