[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] testing You-NeverKnow/html-css-renderer against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYou-NeverKnow%2Fhtml-css-renderer" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/You-NeverKnow/html-css-renderer on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", 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-2/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" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7245c25f656b4ae3ee2c3712498e2f2d3325179794f225d1469b4506541df2ab
[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" "7245c25f656b4ae3ee2c3712498e2f2d3325179794f225d1469b4506541df2ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7245c25f656b4ae3ee2c3712498e2f2d3325179794f225d1469b4506541df2ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7245c25f656b4ae3ee2c3712498e2f2d3325179794f225d1469b4506541df2ab", kill_on_drop: false }`
[INFO] [stdout] 7245c25f656b4ae3ee2c3712498e2f2d3325179794f225d1469b4506541df2ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 443dea3d1145926de8377baed5f4d5d68208031878afb144e5d480cb641e4904
[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" "443dea3d1145926de8377baed5f4d5d68208031878afb144e5d480cb641e4904", 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]    Compiling 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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.59s
[INFO] running `Command { std: "docker" "inspect" "443dea3d1145926de8377baed5f4d5d68208031878afb144e5d480cb641e4904", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "443dea3d1145926de8377baed5f4d5d68208031878afb144e5d480cb641e4904", kill_on_drop: false }`
[INFO] [stdout] 443dea3d1145926de8377baed5f4d5d68208031878afb144e5d480cb641e4904
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d97a664c2d19ffead91fe5d8b2c23e4c6cb4f73f5cd29473c2460a5e3661a32c
[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" "d97a664c2d19ffead91fe5d8b2c23e4c6cb4f73f5cd29473c2460a5e3661a32c", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "d97a664c2d19ffead91fe5d8b2c23e4c6cb4f73f5cd29473c2460a5e3661a32c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d97a664c2d19ffead91fe5d8b2c23e4c6cb4f73f5cd29473c2460a5e3661a32c", kill_on_drop: false }`
[INFO] [stdout] d97a664c2d19ffead91fe5d8b2c23e4c6cb4f73f5cd29473c2460a5e3661a32c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 55cdb022ddc2ac97ea75be8545d2eeaf016e2e46f243897486158d98eea92f3f
[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" "55cdb022ddc2ac97ea75be8545d2eeaf016e2e46f243897486158d98eea92f3f", kill_on_drop: false }`
[INFO] [stderr] warning: variant is never constructed: `Comment`
[INFO] [stderr]   --> src/dom.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Comment(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `attributes`
[INFO] [stderr]   --> src/dom.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     attributes: AttrMap
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `comment`
[INFO] [stderr]   --> src/dom.rs:27:4
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn comment(data: String) -> Node {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/html_css_renderer-5968814c5451a168
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "55cdb022ddc2ac97ea75be8545d2eeaf016e2e46f243897486158d98eea92f3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55cdb022ddc2ac97ea75be8545d2eeaf016e2e46f243897486158d98eea92f3f", kill_on_drop: false }`
[INFO] [stdout] 55cdb022ddc2ac97ea75be8545d2eeaf016e2e46f243897486158d98eea92f3f