[INFO] fetching crate ether-dream 0.2.5...
[INFO] documenting ether-dream-0.2.5 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate ether-dream 0.2.5 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate ether-dream 0.2.5 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 ether-dream 0.2.5
[INFO] finished tweaking crates.io crate ether-dream 0.2.5
[INFO] tweaked toml for crates.io crate ether-dream 0.2.5 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate ether-dream 0.2.5 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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] fe69d7fa8516e4160bae124f42096e0470ac3cd6d38ed73e37f9ba026f97e8f3
[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" "fe69d7fa8516e4160bae124f42096e0470ac3cd6d38ed73e37f9ba026f97e8f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe69d7fa8516e4160bae124f42096e0470ac3cd6d38ed73e37f9ba026f97e8f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe69d7fa8516e4160bae124f42096e0470ac3cd6d38ed73e37f9ba026f97e8f3", kill_on_drop: false }`
[INFO] [stdout] fe69d7fa8516e4160bae124f42096e0470ac3cd6d38ed73e37f9ba026f97e8f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 757599528bfcd0fd4ede082757784f7c26b94ed9e228dda18895e45a8ca2ffc5
[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" "757599528bfcd0fd4ede082757784f7c26b94ed9e228dda18895e45a8ca2ffc5", kill_on_drop: false }`
[INFO] [stderr]  Documenting ether-dream v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.66s
[INFO] running `Command { std: "docker" "inspect" "757599528bfcd0fd4ede082757784f7c26b94ed9e228dda18895e45a8ca2ffc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "757599528bfcd0fd4ede082757784f7c26b94ed9e228dda18895e45a8ca2ffc5", kill_on_drop: false }`
[INFO] [stdout] 757599528bfcd0fd4ede082757784f7c26b94ed9e228dda18895e45a8ca2ffc5