[INFO] fetching crate libmpv 1.0.1...
[INFO] documenting libmpv-1.0.1 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate libmpv 1.0.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate libmpv 1.0.1 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 libmpv 1.0.1
[INFO] finished tweaking crates.io crate libmpv 1.0.1
[INFO] tweaked toml for crates.io crate libmpv 1.0.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate libmpv 1.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libmpv-sys v3.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 658905486cb444d84d3caf1b9c344432a8a04907c5ee8aeece2809dd8ad55c4d
[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" "658905486cb444d84d3caf1b9c344432a8a04907c5ee8aeece2809dd8ad55c4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "658905486cb444d84d3caf1b9c344432a8a04907c5ee8aeece2809dd8ad55c4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "658905486cb444d84d3caf1b9c344432a8a04907c5ee8aeece2809dd8ad55c4d", kill_on_drop: false }`
[INFO] [stdout] 658905486cb444d84d3caf1b9c344432a8a04907c5ee8aeece2809dd8ad55c4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 3b1c7ea3b4106d039138d2c659ab52e3f4f5b09942a80ac6f865b2ff68948958
[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" "3b1c7ea3b4106d039138d2c659ab52e3f4f5b09942a80ac6f865b2ff68948958", kill_on_drop: false }`
[INFO] [stderr]    Compiling libmpv-sys v3.0.0
[INFO] [stderr]    Compiling libmpv v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting libmpv v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `[O]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/mpv.rs:433:11
[INFO] [stdout]     |
[INFO] [stdout] 433 |     /// "[O]ptionally save it to a given file. The format of the file will be
[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: `[sub]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/mpv.rs:606:64
[INFO] [stdout]     |
[INFO] [stdout] 606 |     /// (In this case, title/language are ignored, and if the [sub] was changed since it was loaded,
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.40s
[INFO] running `Command { std: "docker" "inspect" "3b1c7ea3b4106d039138d2c659ab52e3f4f5b09942a80ac6f865b2ff68948958", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b1c7ea3b4106d039138d2c659ab52e3f4f5b09942a80ac6f865b2ff68948958", kill_on_drop: false }`
[INFO] [stdout] 3b1c7ea3b4106d039138d2c659ab52e3f4f5b09942a80ac6f865b2ff68948958