[INFO] crate display-as 0.4.7 is already in cache
[INFO] documenting display-as-0.4.7 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate display-as 0.4.7 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate display-as 0.4.7 on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate display-as 0.4.7
[INFO] finished tweaking crates.io crate display-as 0.4.7
[INFO] tweaked toml for crates.io crate display-as 0.4.7 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c0308fc93d6da59447230905fa42c9dbe6fb7ef447cd78bf638e871d22ce7ce7
[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" "c0308fc93d6da59447230905fa42c9dbe6fb7ef447cd78bf638e871d22ce7ce7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0308fc93d6da59447230905fa42c9dbe6fb7ef447cd78bf638e871d22ce7ce7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0308fc93d6da59447230905fa42c9dbe6fb7ef447cd78bf638e871d22ce7ce7", kill_on_drop: false }`
[INFO] [stdout] c0308fc93d6da59447230905fa42c9dbe6fb7ef447cd78bf638e871d22ce7ce7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29414388237bed17587178c84ac7af2f5716483ef5238318407cf78cdf0a6c1a
[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" "29414388237bed17587178c84ac7af2f5716483ef5238318407cf78cdf0a6c1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling display-as-proc-macro v0.4.3
[INFO] [stderr]  Documenting display-as v0.4.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `[mime::TEXT_URL_UTF_8]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/url.rs:12:35
[INFO] [stdout]    |
[INFO] [stdout] 12 |     /// The MIME type for URL is [mime::TEXT_URL_UTF_8].
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(intra_doc_link_resolution_failure)]` on by default
[INFO] [stdout]    = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: Rust code block is empty
[INFO] [stdout]    --> src/lib.rs:173:5
[INFO] [stdout]     |
[INFO] [stdout] 173 |   //! ```ignore
[INFO] [stdout]     |  _____^
[INFO] [stdout] 174 | | #![cfg_attr(feature = "docinclude", doc(include = "base.html"))]
[INFO] [stdout] 175 | | //! ```
[INFO] [stdout]     | |_______^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: Rust code block is empty
[INFO] [stdout]    --> src/lib.rs:178:5
[INFO] [stdout]     |
[INFO] [stdout] 178 |   //! ```ignore
[INFO] [stdout]     |  _____^
[INFO] [stdout] 179 | | #![cfg_attr(feature = "docinclude", doc(include = "student.html"))]
[INFO] [stdout] 180 | | //!```
[INFO] [stdout]     | |______^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: Rust code block is empty
[INFO] [stdout]    --> src/lib.rs:183:5
[INFO] [stdout]     |
[INFO] [stdout] 183 |   //! ```ignore
[INFO] [stdout]     |  _____^
[INFO] [stdout] 184 | | #![cfg_attr(feature = "docinclude", doc(include = "class.html"))]
[INFO] [stdout] 185 | | //! ```
[INFO] [stdout]     | |_______^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.84s
[INFO] running `Command { std: "docker" "inspect" "29414388237bed17587178c84ac7af2f5716483ef5238318407cf78cdf0a6c1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29414388237bed17587178c84ac7af2f5716483ef5238318407cf78cdf0a6c1a", kill_on_drop: false }`
[INFO] [stdout] 29414388237bed17587178c84ac7af2f5716483ef5238318407cf78cdf0a6c1a