[INFO] fetching crate serde_with_macros 1.2.0-alpha.1...
[INFO] documenting serde_with_macros-1.2.0-alpha.1 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate serde_with_macros 1.2.0-alpha.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate serde_with_macros 1.2.0-alpha.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 serde_with_macros 1.2.0-alpha.1
[INFO] finished tweaking crates.io crate serde_with_macros 1.2.0-alpha.1
[INFO] tweaked toml for crates.io crate serde_with_macros 1.2.0-alpha.1 written to /workspace/builds/worker-5/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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 8b7508eacd82c5834065f615746abe10c6da5a9e95429b674ae0b08d6a1ba521
[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" "8b7508eacd82c5834065f615746abe10c6da5a9e95429b674ae0b08d6a1ba521", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b7508eacd82c5834065f615746abe10c6da5a9e95429b674ae0b08d6a1ba521", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b7508eacd82c5834065f615746abe10c6da5a9e95429b674ae0b08d6a1ba521", kill_on_drop: false }`
[INFO] [stdout] 8b7508eacd82c5834065f615746abe10c6da5a9e95429b674ae0b08d6a1ba521
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] c31b36ed42a0ef1f18bf83a4f261149d4f923557047c29b57225cbe7d1af3c8e
[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" "c31b36ed42a0ef1f18bf83a4f261149d4f923557047c29b57225cbe7d1af3c8e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]     Checking darling_core v0.10.2
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking darling v0.10.2
[INFO] [stderr]  Documenting serde_with_macros v1.2.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `serde_as` is both a function and an attribute macro
[INFO] [stdout]    --> src/lib.rs:470:10
[INFO] [stdout]     |
[INFO] [stdout] 470 | /// The [serde_as][] macro allows to use the infer type, i.e., `_`, as shortcut for `::serde_with::As`.
[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 function, add parentheses
[INFO] [stdout]     |
[INFO] [stdout] 470 | /// The [serde_as()][] macro allows to use the infer type, i.e., `_`, as shortcut for `::serde_with::As`.
[INFO] [stdout]     |          ^^^^^^^^^^
[INFO] [stdout] help: to link to the attribute macro, prefix with the item type
[INFO] [stdout]     |
[INFO] [stdout] 470 | /// The [macro@serde_as][] macro allows to use the infer type, i.e., `_`, as shortcut for `::serde_with::As`.
[INFO] [stdout]     |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.12s
[INFO] running `Command { std: "docker" "inspect" "c31b36ed42a0ef1f18bf83a4f261149d4f923557047c29b57225cbe7d1af3c8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c31b36ed42a0ef1f18bf83a4f261149d4f923557047c29b57225cbe7d1af3c8e", kill_on_drop: false }`
[INFO] [stdout] c31b36ed42a0ef1f18bf83a4f261149d4f923557047c29b57225cbe7d1af3c8e