[INFO] updating cached repository https://github.com/marks-sortable/branches
[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] 8b785561efd0f2f30ef380d5529e87e255e10d2d
[INFO] documenting marks-sortable/branches against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarks-sortable%2Fbranches" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/marks-sortable/branches 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/marks-sortable/branches
[INFO] finished tweaking git repo https://github.com/marks-sortable/branches
[INFO] tweaked toml for git repo https://github.com/marks-sortable/branches written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/marks-sortable/branches 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 9c01a549751473b5caf236192601b0874347a1775c59c8f0bbc95e9c7275bff3
[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" "9c01a549751473b5caf236192601b0874347a1775c59c8f0bbc95e9c7275bff3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c01a549751473b5caf236192601b0874347a1775c59c8f0bbc95e9c7275bff3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c01a549751473b5caf236192601b0874347a1775c59c8f0bbc95e9c7275bff3", kill_on_drop: false }`
[INFO] [stdout] 9c01a549751473b5caf236192601b0874347a1775c59c8f0bbc95e9c7275bff3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 0a9cdb7a122d2735376a4f75a4c65730f565dd03eadb4d07d2e5a61321003b3e
[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" "0a9cdb7a122d2735376a4f75a4c65730f565dd03eadb4d07d2e5a61321003b3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.19
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]    Compiling libz-sys v1.0.22
[INFO] [stderr]    Compiling openssl-sys v0.9.36
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling curl-sys v0.4.11
[INFO] [stderr]    Compiling libgit2-sys v0.7.8
[INFO] [stderr]     Checking log v0.4.5
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking colored v1.6.1
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking url v1.7.1
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking chrono-humanize v0.0.11
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]    Compiling structopt-derive v0.2.10
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]     Checking failure v0.1.2
[INFO] [stderr]     Checking structopt v0.2.10
[INFO] [stderr]     Checking git2 v0.7.5
[INFO] [stderr]  Documenting branches v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 25s
[INFO] running `Command { std: "docker" "inspect" "0a9cdb7a122d2735376a4f75a4c65730f565dd03eadb4d07d2e5a61321003b3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a9cdb7a122d2735376a4f75a4c65730f565dd03eadb4d07d2e5a61321003b3e", kill_on_drop: false }`
[INFO] [stdout] 0a9cdb7a122d2735376a4f75a4c65730f565dd03eadb4d07d2e5a61321003b3e