[INFO] crate alloc_counter 0.0.4 is already in cache
[INFO] documenting alloc_counter-0.0.4 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate alloc_counter 0.0.4 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate alloc_counter 0.0.4 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 alloc_counter 0.0.4
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate alloc_counter 0.0.4
[INFO] tweaked toml for crates.io crate alloc_counter 0.0.4 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate alloc_counter 0.0.4 already has a lockfile, it will not be regenerated
[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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] f5588f611acf0e4cd89cfa46bd0096f284b0dbbcf96aa56f17a801a11cc34671
[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" "f5588f611acf0e4cd89cfa46bd0096f284b0dbbcf96aa56f17a801a11cc34671", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5588f611acf0e4cd89cfa46bd0096f284b0dbbcf96aa56f17a801a11cc34671", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5588f611acf0e4cd89cfa46bd0096f284b0dbbcf96aa56f17a801a11cc34671", kill_on_drop: false }`
[INFO] [stdout] f5588f611acf0e4cd89cfa46bd0096f284b0dbbcf96aa56f17a801a11cc34671
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 249e5021064fadd4dd3a86bcb9660fc223056a9aa3c5c94bcef66aa01f95805b
[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" "249e5021064fadd4dd3a86bcb9660fc223056a9aa3c5c94bcef66aa01f95805b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.9
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling alloc_counter_macro v0.0.2
[INFO] [stderr]  Documenting alloc_counter v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.45s
[INFO] running `Command { std: "docker" "inspect" "249e5021064fadd4dd3a86bcb9660fc223056a9aa3c5c94bcef66aa01f95805b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "249e5021064fadd4dd3a86bcb9660fc223056a9aa3c5c94bcef66aa01f95805b", kill_on_drop: false }`
[INFO] [stdout] 249e5021064fadd4dd3a86bcb9660fc223056a9aa3c5c94bcef66aa01f95805b