[INFO] fetching crate shared-bus 0.1.4...
[INFO] documenting shared-bus-0.1.4 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate shared-bus 0.1.4 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate shared-bus 0.1.4 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 shared-bus 0.1.4
[INFO] finished tweaking crates.io crate shared-bus 0.1.4
[INFO] tweaked toml for crates.io crate shared-bus 0.1.4 written to /workspace/builds/worker-1/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] [stderr]     Blocking waiting for file lock on package cache
[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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] a162894d69b1f650f8dd26b45d2577bdae1b7e5f8fe08a0f868d35cbf7a9b152
[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" "a162894d69b1f650f8dd26b45d2577bdae1b7e5f8fe08a0f868d35cbf7a9b152", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a162894d69b1f650f8dd26b45d2577bdae1b7e5f8fe08a0f868d35cbf7a9b152", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a162894d69b1f650f8dd26b45d2577bdae1b7e5f8fe08a0f868d35cbf7a9b152", kill_on_drop: false }`
[INFO] [stdout] a162894d69b1f650f8dd26b45d2577bdae1b7e5f8fe08a0f868d35cbf7a9b152
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 97324156127b978004589b8e856119e9a2b20a9de770014a343c9558f2915f7a
[INFO] running `Command { std: "docker" "start" "-a" "97324156127b978004589b8e856119e9a2b20a9de770014a343c9558f2915f7a", kill_on_drop: false }`
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking nb v0.1.2
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]  Documenting shared-bus v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `[std::sync::Mutex]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/lib.rs:12:28
[INFO] [stdout]    |
[INFO] [stdout] 12 | //!   of [`BusMutex`] for [`std::sync::Mutex`].
[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: `[cortex_m::interrupt::Mutex]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/lib.rs:14:57
[INFO] [stdout]    |
[INFO] [stdout] 14 | //!   to enable the implementation of [`BusMutex`] for [`cortex_m::interrupt::Mutex`]
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[std::sync::Mutex]` cannot be resolved, ignoring it.
[INFO] [stdout]  --> src/mutex.rs:5:71
[INFO] [stdout]   |
[INFO] [stdout] 5 | /// If the `std` feature is enabled, [`BusMutex`] is implemented for [`std::sync::Mutex`].
[INFO] [stdout]   |                                                                       ^^^^^^^^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]   |
[INFO] [stdout]   = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[cortex_m::interrupt::Mutex]` cannot be resolved, ignoring it.
[INFO] [stdout]  --> src/mutex.rs:6:75
[INFO] [stdout]   |
[INFO] [stdout] 6 | /// If the `cortexm` feature is enabled, [`BusMutex`] is implemented for [`cortex_m::interrupt::Mutex`].
[INFO] [stdout]   |                                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]   |
[INFO] [stdout]   = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[cortex_m]` cannot be resolved, ignoring it.
[INFO] [stdout]  --> src/mutex.rs:9:36
[INFO] [stdout]   |
[INFO] [stdout] 9 | /// look something like this (for [`cortex_m`] as an example):
[INFO] [stdout]   |                                    ^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]   |
[INFO] [stdout]   = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "97324156127b978004589b8e856119e9a2b20a9de770014a343c9558f2915f7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97324156127b978004589b8e856119e9a2b20a9de770014a343c9558f2915f7a", kill_on_drop: false }`
[INFO] [stdout] 97324156127b978004589b8e856119e9a2b20a9de770014a343c9558f2915f7a