[INFO] crate drone-core 0.12.1 is already in cache
[INFO] documenting drone-core-0.12.1 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate drone-core 0.12.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate drone-core 0.12.1 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 drone-core 0.12.1
[INFO] finished tweaking crates.io crate drone-core 0.12.1
[INFO] tweaked toml for crates.io crate drone-core 0.12.1 written to /workspace/builds/worker-13/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] bd4168c732e4efc3013ab5bf60aeaf0ad0a2d9e7157200424be9cb2f8dfa51fe
[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" "bd4168c732e4efc3013ab5bf60aeaf0ad0a2d9e7157200424be9cb2f8dfa51fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd4168c732e4efc3013ab5bf60aeaf0ad0a2d9e7157200424be9cb2f8dfa51fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd4168c732e4efc3013ab5bf60aeaf0ad0a2d9e7157200424be9cb2f8dfa51fe", kill_on_drop: false }`
[INFO] [stdout] bd4168c732e4efc3013ab5bf60aeaf0ad0a2d9e7157200424be9cb2f8dfa51fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 10e572ec456e9e331e302a562607da9c15dcde0eeac5884e655d264f72f20bed
[INFO] running `Command { std: "docker" "start" "-a" "10e572ec456e9e331e302a562607da9c15dcde0eeac5884e655d264f72f20bed", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]    Compiling if_chain v1.0.0
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking drone-ctypes v0.12.1
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]    Compiling drone-macros-core v0.12.1
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling drone-config v0.12.2
[INFO] [stderr]    Compiling drone-core-macros v0.12.1
[INFO] [stderr]  Documenting drone-core v0.12.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `crate::heap` is both a module and a macro
[INFO] [stdout]  --> src/ffi/libc.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 | //! [Drone Heap](crate::heap).
[INFO] [stdout]   |                  ^^^^^^^^^^^ ambiguous link
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(intra_doc_link_resolution_failure)]` on by default
[INFO] [stdout] help: to link to the module, prefix with the item type
[INFO] [stdout]   |
[INFO] [stdout] 7 | //! [Drone Heap](module@crate::heap).
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: to link to the macro, add an exclamation mark
[INFO] [stdout]   |
[INFO] [stdout] 7 | //! [Drone Heap](crate::heap!).
[INFO] [stdout]   |                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `crate::heap` is both a module and a macro
[INFO] [stdout]   --> src/heap/allocator.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 | /// [`heap`](crate::heap) macro should be used to generate the concrete type and
[INFO] [stdout]    |              ^^^^^^^^^^^ ambiguous link
[INFO] [stdout]    |
[INFO] [stdout] help: to link to the module, prefix with the item type
[INFO] [stdout]    |
[INFO] [stdout] 12 | /// [`heap`](module@crate::heap) macro should be used to generate the concrete type and
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: to link to the macro, add an exclamation mark
[INFO] [stdout]    |
[INFO] [stdout] 12 | /// [`heap`](crate::heap!) macro should be used to generate the concrete type and
[INFO] [stdout]    |              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `crate::reg` is both a module and a macro
[INFO] [stdout]  --> src/periph.rs:1:58
[INFO] [stdout]   |
[INFO] [stdout] 1 | //! Peripheral is a group of [`memory-mapped registers`](crate::reg) or their
[INFO] [stdout]   |                                                          ^^^^^^^^^^ ambiguous link
[INFO] [stdout]   |
[INFO] [stdout] help: to link to the module, prefix with the item type
[INFO] [stdout]   |
[INFO] [stdout] 1 | //! Peripheral is a group of [`memory-mapped registers`](module@crate::reg) or their
[INFO] [stdout]   |                                                          ^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: to link to the macro, add an exclamation mark
[INFO] [stdout]   |
[INFO] [stdout] 1 | //! Peripheral is a group of [`memory-mapped registers`](crate::reg!) or their
[INFO] [stdout]   |                                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `crate::thr` is both a module and a macro
[INFO] [stdout]   --> src/thr/preempted.rs:19:34
[INFO] [stdout]    |
[INFO] [stdout] 19 | /// module-level documentation`](crate::thr) for details.
[INFO] [stdout]    |                                  ^^^^^^^^^^ ambiguous link
[INFO] [stdout]    |
[INFO] [stdout] help: to link to the module, prefix with the item type
[INFO] [stdout]    |
[INFO] [stdout] 19 | /// module-level documentation`](module@crate::thr) for details.
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: to link to the macro, add an exclamation mark
[INFO] [stdout]    |
[INFO] [stdout] 19 | /// module-level documentation`](crate::thr!) for details.
[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 1m 15s
[INFO] running `Command { std: "docker" "inspect" "10e572ec456e9e331e302a562607da9c15dcde0eeac5884e655d264f72f20bed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10e572ec456e9e331e302a562607da9c15dcde0eeac5884e655d264f72f20bed", kill_on_drop: false }`
[INFO] [stdout] 10e572ec456e9e331e302a562607da9c15dcde0eeac5884e655d264f72f20bed