[INFO] cloning repository https://github.com/tiny-browserbook/exercise-rendering-tree [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tiny-browserbook/exercise-rendering-tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiny-browserbook%2Fexercise-rendering-tree", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiny-browserbook%2Fexercise-rendering-tree'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 52ba96b59bd81422a97a8caa975f4f04a7e8f63e [INFO] documenting tiny-browserbook/exercise-rendering-tree against try#a394c9cd9ec93787f09a7ac445b14cc674a94549 for pr-151918 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiny-browserbook%2Fexercise-rendering-tree" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/tiny-browserbook/exercise-rendering-tree [INFO] finished tweaking git repo https://github.com/tiny-browserbook/exercise-rendering-tree [INFO] tweaked toml for git repo https://github.com/tiny-browserbook/exercise-rendering-tree written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/tiny-browserbook/exercise-rendering-tree on toolchain a394c9cd9ec93787f09a7ac445b14cc674a94549 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/tiny-browserbook/exercise-rendering-tree 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" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "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 [ERROR] error running command: no output for 300 seconds [INFO] documenting tiny-browserbook/exercise-rendering-tree against try#a394c9cd9ec93787f09a7ac445b14cc674a94549 for pr-151918 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiny-browserbook%2Fexercise-rendering-tree" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/tiny-browserbook/exercise-rendering-tree [INFO] finished tweaking git repo https://github.com/tiny-browserbook/exercise-rendering-tree [INFO] tweaked toml for git repo https://github.com/tiny-browserbook/exercise-rendering-tree written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/tiny-browserbook/exercise-rendering-tree on toolchain a394c9cd9ec93787f09a7ac445b14cc674a94549 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/tiny-browserbook/exercise-rendering-tree 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" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "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 combine v4.5.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f500d24b85b1dca87dee1ba63a4fd665e4f2c58158da812e1601de0856aa36f4 [INFO] running `Command { std: "docker" "start" "-a" "f500d24b85b1dca87dee1ba63a4fd665e4f2c58158da812e1601de0856aa36f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f500d24b85b1dca87dee1ba63a4fd665e4f2c58158da812e1601de0856aa36f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f500d24b85b1dca87dee1ba63a4fd665e4f2c58158da812e1601de0856aa36f4", kill_on_drop: false }` [INFO] [stdout] f500d24b85b1dca87dee1ba63a4fd665e4f2c58158da812e1601de0856aa36f4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4630bf2f049b811ca928ae90471da30a797ce182cf9cb0d3fca81f8b2ec0e0cd [INFO] running `Command { std: "docker" "start" "-a" "4630bf2f049b811ca928ae90471da30a797ce182cf9cb0d3fca81f8b2ec0e0cd", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking bytes v1.0.1 [INFO] [stderr] Checking combine v4.5.2 [INFO] [stderr] Documenting exercise-rendering-tree v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: this URL is not a hyperlink [INFO] [stdout] --> src/css.rs:12:82 [INFO] [stdout] | [INFO] [stdout] 12 | /// It consists of multiple rules, which are called "rule-list" in the standard (https://www.w3.org/TR/css-syntax-3/). [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: bare URLs are not automatically turned into clickable links [INFO] [stdout] = note: `#[warn(rustdoc::bare_urls)]` on by default [INFO] [stdout] help: use an automatic link instead [INFO] [stdout] | [INFO] [stdout] 12 | /// It consists of multiple rules, which are called "rule-list" in the standard (). [INFO] [stdout] | + + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this URL is not a hyperlink [INFO] [stdout] --> src/css.rs:45:5 [INFO] [stdout] | [INFO] [stdout] 45 | /// https://www.w3.org/TR/selectors-3/#selector-syntax [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: bare URLs are not automatically turned into clickable links [INFO] [stdout] help: use an automatic link instead [INFO] [stdout] | [INFO] [stdout] 45 | /// [INFO] [stdout] | + + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this URL is not a hyperlink [INFO] [stdout] --> src/css.rs:72:9 [INFO] [stdout] | [INFO] [stdout] 72 | /// See https://www.w3.org/TR/selectors-3/#attribute-selectors to check the full list of available operators. [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: bare URLs are not automatically turned into clickable links [INFO] [stdout] help: use an automatic link instead [INFO] [stdout] | [INFO] [stdout] 72 | /// See to check the full list of available operators. [INFO] [stdout] | + + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this URL is not a hyperlink [INFO] [stdout] --> src/css.rs:82:80 [INFO] [stdout] | [INFO] [stdout] 82 | /// - descriptors, which are mostly used in "at-rules" like `@foo (bar: piyo)` https://www.w3.org/Style/CSS/all-descriptors.en.html [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: bare URLs are not automatically turned into clickable links [INFO] [stdout] help: use an automatic link instead [INFO] [stdout] | [INFO] [stdout] 82 | /// - descriptors, which are mostly used in "at-rules" like `@foo (bar: piyo)` [INFO] [stdout] | + + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this URL is not a hyperlink [INFO] [stdout] --> src/css.rs:83:86 [INFO] [stdout] | [INFO] [stdout] 83 | ...lified rules" like `.foo {bar: piyo}` https://www.w3.org/Style/CSS/all-descriptors.en.html [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: bare URLs are not automatically turned into clickable links [INFO] [stdout] help: use an automatic link instead [INFO] [stdout] | [INFO] [stdout] 83 | /// - properties, which are mostly used in "qualified rules" like `.foo {bar: piyo}` [INFO] [stdout] | + + [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.03s [INFO] [stderr] Generated /opt/rustwide/target/doc/exercise_rendering_tree/index.html [INFO] running `Command { std: "docker" "inspect" "4630bf2f049b811ca928ae90471da30a797ce182cf9cb0d3fca81f8b2ec0e0cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4630bf2f049b811ca928ae90471da30a797ce182cf9cb0d3fca81f8b2ec0e0cd", kill_on_drop: false }` [INFO] [stdout] 4630bf2f049b811ca928ae90471da30a797ce182cf9cb0d3fca81f8b2ec0e0cd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f4d38f580c6b4d5c9b72a2ae7626f08e7bc6b9985d3f77209d3edb389aa1ca4f [INFO] running `Command { std: "docker" "start" "-a" "f4d38f580c6b4d5c9b72a2ae7626f08e7bc6b9985d3f77209d3edb389aa1ca4f", kill_on_drop: false }` [INFO] [stderr] Documenting exercise-rendering-tree v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: this URL is not a hyperlink [INFO] [stdout] --> src/css.rs:12:82 [INFO] [stdout] | [INFO] [stdout] 12 | /// It consists of multiple rules, which are called "rule-list" in the standard (https://www.w3.org/TR/css-syntax-3/). [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: bare URLs are not automatically turned into clickable links [INFO] [stdout] = note: `#[warn(rustdoc::bare_urls)]` on by default [INFO] [stdout] help: use an automatic link instead [INFO] [stdout] | [INFO] [stdout] 12 | /// It consists of multiple rules, which are called "rule-list" in the standard (). [INFO] [stdout] | + + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this URL is not a hyperlink [INFO] [stdout] --> src/css.rs:45:5 [INFO] [stdout] | [INFO] [stdout] 45 | /// https://www.w3.org/TR/selectors-3/#selector-syntax [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: bare URLs are not automatically turned into clickable links [INFO] [stdout] help: use an automatic link instead [INFO] [stdout] | [INFO] [stdout] 45 | /// [INFO] [stdout] | + + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this URL is not a hyperlink [INFO] [stdout] --> src/css.rs:72:9 [INFO] [stdout] | [INFO] [stdout] 72 | /// See https://www.w3.org/TR/selectors-3/#attribute-selectors to check the full list of available operators. [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: bare URLs are not automatically turned into clickable links [INFO] [stdout] help: use an automatic link instead [INFO] [stdout] | [INFO] [stdout] 72 | /// See to check the full list of available operators. [INFO] [stdout] | + + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this URL is not a hyperlink [INFO] [stdout] --> src/css.rs:82:80 [INFO] [stdout] | [INFO] [stdout] 82 | /// - descriptors, which are mostly used in "at-rules" like `@foo (bar: piyo)` https://www.w3.org/Style/CSS/all-descriptors.en.html [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: bare URLs are not automatically turned into clickable links [INFO] [stdout] help: use an automatic link instead [INFO] [stdout] | [INFO] [stdout] 82 | /// - descriptors, which are mostly used in "at-rules" like `@foo (bar: piyo)` [INFO] [stdout] | + + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this URL is not a hyperlink [INFO] [stdout] --> src/css.rs:83:86 [INFO] [stdout] | [INFO] [stdout] 83 | ...lified rules" like `.foo {bar: piyo}` https://www.w3.org/Style/CSS/all-descriptors.en.html [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: bare URLs are not automatically turned into clickable links [INFO] [stdout] help: use an automatic link instead [INFO] [stdout] | [INFO] [stdout] 83 | /// - properties, which are mostly used in "qualified rules" like `.foo {bar: piyo}` [INFO] [stdout] | + + [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s [INFO] [stderr] Generated /opt/rustwide/target/doc/exercise_rendering_tree/index.html [INFO] running `Command { std: "docker" "inspect" "f4d38f580c6b4d5c9b72a2ae7626f08e7bc6b9985d3f77209d3edb389aa1ca4f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f4d38f580c6b4d5c9b72a2ae7626f08e7bc6b9985d3f77209d3edb389aa1ca4f", kill_on_drop: false }` [INFO] [stdout] f4d38f580c6b4d5c9b72a2ae7626f08e7bc6b9985d3f77209d3edb389aa1ca4f