[INFO] fetching crate blake2b256-balloon 0.1.0...
[INFO] documenting blake2b256-balloon-0.1.0 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate blake2b256-balloon 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate blake2b256-balloon 0.1.0 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 blake2b256-balloon 0.1.0
[INFO] finished tweaking crates.io crate blake2b256-balloon 0.1.0
[INFO] tweaked toml for crates.io crate blake2b256-balloon 0.1.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded balloons v0.1.0
[INFO] [stderr]   Downloaded slices-hack v0.1.1
[INFO] [stderr]   Downloaded property v0.2.2
[INFO] [stderr]   Downloaded slices v0.1.1
[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] a98734317504834fb6adf7fa25f62a3809cc0bca9f2e7736c886c0ad0c498477
[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" "a98734317504834fb6adf7fa25f62a3809cc0bca9f2e7736c886c0ad0c498477", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a98734317504834fb6adf7fa25f62a3809cc0bca9f2e7736c886c0ad0c498477", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a98734317504834fb6adf7fa25f62a3809cc0bca9f2e7736c886c0ad0c498477", kill_on_drop: false }`
[INFO] [stdout] a98734317504834fb6adf7fa25f62a3809cc0bca9f2e7736c886c0ad0c498477
[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] da31e76671e91e236f6f8c70d8909ad1bfb619b5e0fab0bf53476a07f4f2f6f0
[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" "da31e76671e91e236f6f8c70d8909ad1bfb619b5e0fab0bf53476a07f4f2f6f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling blake2b-rs v0.1.5
[INFO] [stderr]    Compiling property v0.2.2
[INFO] [stderr]     Checking balloons v0.1.0
[INFO] [stderr]  Documenting blake2b256-balloon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.54s
[INFO] running `Command { std: "docker" "inspect" "da31e76671e91e236f6f8c70d8909ad1bfb619b5e0fab0bf53476a07f4f2f6f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da31e76671e91e236f6f8c70d8909ad1bfb619b5e0fab0bf53476a07f4f2f6f0", kill_on_drop: false }`
[INFO] [stdout] da31e76671e91e236f6f8c70d8909ad1bfb619b5e0fab0bf53476a07f4f2f6f0