[INFO] fetching crate minicbor 0.4.0...
[INFO] documenting minicbor-0.4.0 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate minicbor 0.4.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate minicbor 0.4.0 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 minicbor 0.4.0
[INFO] finished tweaking crates.io crate minicbor 0.4.0
[INFO] tweaked toml for crates.io crate minicbor 0.4.0 written to /workspace/builds/worker-4/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]  Downloading crates ...
[INFO] [stderr]   Downloaded minicbor-derive v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] b0ce18d51677ec4639d856c4a50bd83cf8a0df2fa6795c772526c393444cec0b
[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" "b0ce18d51677ec4639d856c4a50bd83cf8a0df2fa6795c772526c393444cec0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0ce18d51677ec4639d856c4a50bd83cf8a0df2fa6795c772526c393444cec0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0ce18d51677ec4639d856c4a50bd83cf8a0df2fa6795c772526c393444cec0b", kill_on_drop: false }`
[INFO] [stdout] b0ce18d51677ec4639d856c4a50bd83cf8a0df2fa6795c772526c393444cec0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] bcffcd855a047408b4a17216daca79c107e613839d0d457fae22da4ed2eba975
[INFO] running `Command { std: "docker" "start" "-a" "bcffcd855a047408b4a17216daca79c107e613839d0d457fae22da4ed2eba975", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting minicbor v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `[minicbor_derive]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/lib.rs:21:46
[INFO] [stdout]    |
[INFO] [stdout] 21 | //! using the respective derive macros. See [`minicbor_derive`] for details.
[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: `[minicbor_derive]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/encode.rs:17:19
[INFO] [stdout]    |
[INFO] [stdout] 17 | /// derived with [`minicbor_derive`] *it is advisable to only produce a
[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 1.33s
[INFO] running `Command { std: "docker" "inspect" "bcffcd855a047408b4a17216daca79c107e613839d0d457fae22da4ed2eba975", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcffcd855a047408b4a17216daca79c107e613839d0d457fae22da4ed2eba975", kill_on_drop: false }`
[INFO] [stdout] bcffcd855a047408b4a17216daca79c107e613839d0d457fae22da4ed2eba975