[INFO] fetching crate zstd 0.5.3+zstd.1.4.5...
[INFO] documenting zstd-0.5.3+zstd.1.4.5 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate zstd 0.5.3+zstd.1.4.5 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate zstd 0.5.3+zstd.1.4.5 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 zstd 0.5.3+zstd.1.4.5
[INFO] finished tweaking crates.io crate zstd 0.5.3+zstd.1.4.5
[INFO] tweaked toml for crates.io crate zstd 0.5.3+zstd.1.4.5 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate zstd 0.5.3+zstd.1.4.5 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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] da8734a73f26ba32c8a66421cc94b7148d005a134cc1bf14ed832fad5df50b95
[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" "da8734a73f26ba32c8a66421cc94b7148d005a134cc1bf14ed832fad5df50b95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da8734a73f26ba32c8a66421cc94b7148d005a134cc1bf14ed832fad5df50b95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da8734a73f26ba32c8a66421cc94b7148d005a134cc1bf14ed832fad5df50b95", kill_on_drop: false }`
[INFO] [stdout] da8734a73f26ba32c8a66421cc94b7148d005a134cc1bf14ed832fad5df50b95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] ba7d1267c0a873e1459aa31898db3d15dacddadc49ef475c26cf6fa1b6957bc0
[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" "ba7d1267c0a873e1459aa31898db3d15dacddadc49ef475c26cf6fa1b6957bc0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling zstd-sys v1.4.17+zstd.1.4.5
[INFO] [stderr]     Checking zstd-safe v2.0.5+zstd.1.4.5
[INFO] [stderr]  Documenting zstd v0.5.3+zstd.1.4.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 15s
[INFO] running `Command { std: "docker" "inspect" "ba7d1267c0a873e1459aa31898db3d15dacddadc49ef475c26cf6fa1b6957bc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba7d1267c0a873e1459aa31898db3d15dacddadc49ef475c26cf6fa1b6957bc0", kill_on_drop: false }`
[INFO] [stdout] ba7d1267c0a873e1459aa31898db3d15dacddadc49ef475c26cf6fa1b6957bc0