[INFO] fetching crate mem_macros 1.0.0...
[INFO] documenting mem_macros-1.0.0 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate mem_macros 1.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate mem_macros 1.0.0 on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mem_macros 1.0.0
[INFO] finished tweaking crates.io crate mem_macros 1.0.0
[INFO] tweaked toml for crates.io crate mem_macros 1.0.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 375a1d637f89c4ed4346f3af75e6b17bab096ba6823c898a41b2836544f5b420
[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" "375a1d637f89c4ed4346f3af75e6b17bab096ba6823c898a41b2836544f5b420", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "375a1d637f89c4ed4346f3af75e6b17bab096ba6823c898a41b2836544f5b420", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "375a1d637f89c4ed4346f3af75e6b17bab096ba6823c898a41b2836544f5b420", kill_on_drop: false }`
[INFO] [stdout] 375a1d637f89c4ed4346f3af75e6b17bab096ba6823c898a41b2836544f5b420
[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" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9485b6d2fdc7404a9038111dd76c435c7eef1e864f5a64ee4965665033e6bfa
[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" "d9485b6d2fdc7404a9038111dd76c435c7eef1e864f5a64ee4965665033e6bfa", kill_on_drop: false }`
[INFO] [stderr]  Documenting mem_macros v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `[alignment]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/lib.rs:79:79
[INFO] [stdout]    |
[INFO] [stdout] 79 | /// 2. Round up the current size to the nearest multiple of the next field's [alignment].
[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: `[alignment]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/lib.rs:81:75
[INFO] [stdout]    |
[INFO] [stdout] 81 | /// Finally, round the size of the struct to the nearest multiple of its [alignment].
[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 0.82s
[INFO] running `Command { std: "docker" "inspect" "d9485b6d2fdc7404a9038111dd76c435c7eef1e864f5a64ee4965665033e6bfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9485b6d2fdc7404a9038111dd76c435c7eef1e864f5a64ee4965665033e6bfa", kill_on_drop: false }`
[INFO] [stdout] d9485b6d2fdc7404a9038111dd76c435c7eef1e864f5a64ee4965665033e6bfa