[INFO] updating cached repository https://github.com/baskerville/fdb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 379c54f9a765c08c6beec652c5044f6573fe9567
[INFO] documenting baskerville/fdb against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbaskerville%2Ffdb" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/baskerville/fdb 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 git repo https://github.com/baskerville/fdb
[INFO] finished tweaking git repo https://github.com/baskerville/fdb
[INFO] tweaked toml for git repo https://github.com/baskerville/fdb written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/baskerville/fdb already has a lockfile, it will not be regenerated
[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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 457accd04161685a2f5b604b4a4dc86216e233eb9352b24fecc5d98eff8ffa2f
[INFO] running `Command { std: "docker" "start" "-a" "457accd04161685a2f5b604b4a4dc86216e233eb9352b24fecc5d98eff8ffa2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "457accd04161685a2f5b604b4a4dc86216e233eb9352b24fecc5d98eff8ffa2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "457accd04161685a2f5b604b4a4dc86216e233eb9352b24fecc5d98eff8ffa2f", kill_on_drop: false }`
[INFO] [stdout] 457accd04161685a2f5b604b4a4dc86216e233eb9352b24fecc5d98eff8ffa2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 6c9a9d5c6f1c835b1664a7fc5e285ace04e1e16953acf90737c82bd77c9c6d4b
[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" "6c9a9d5c6f1c835b1664a7fc5e285ace04e1e16953acf90737c82bd77c9c6d4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking getopts v0.2.19
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]     Checking regex-syntax v0.6.6
[INFO] [stderr]    Compiling backtrace v0.3.18
[INFO] [stderr]    Compiling bincode v1.1.4
[INFO] [stderr]     Checking regex v1.1.6
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.91
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]  Documenting fdb v0.6.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.27s
[INFO] running `Command { std: "docker" "inspect" "6c9a9d5c6f1c835b1664a7fc5e285ace04e1e16953acf90737c82bd77c9c6d4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c9a9d5c6f1c835b1664a7fc5e285ace04e1e16953acf90737c82bd77c9c6d4b", kill_on_drop: false }`
[INFO] [stdout] 6c9a9d5c6f1c835b1664a7fc5e285ace04e1e16953acf90737c82bd77c9c6d4b