[INFO] updating cached repository https://github.com/livmackintosh/rust-dwm-status
[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] 9b4cd0ff23e429077f1a5bf2b8fc06e407be0098
[INFO] documenting livmackintosh/rust-dwm-status against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flivmackintosh%2Frust-dwm-status" "/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/livmackintosh/rust-dwm-status 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/livmackintosh/rust-dwm-status
[INFO] finished tweaking git repo https://github.com/livmackintosh/rust-dwm-status
[INFO] tweaked toml for git repo https://github.com/livmackintosh/rust-dwm-status written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/livmackintosh/rust-dwm-status 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] 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] [stdout] d92ad826cdeb1b82005a31df4d8c268f1fdbc98238e055f97cf7f18f01fbfd29
[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" "d92ad826cdeb1b82005a31df4d8c268f1fdbc98238e055f97cf7f18f01fbfd29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d92ad826cdeb1b82005a31df4d8c268f1fdbc98238e055f97cf7f18f01fbfd29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d92ad826cdeb1b82005a31df4d8c268f1fdbc98238e055f97cf7f18f01fbfd29", kill_on_drop: false }`
[INFO] [stdout] d92ad826cdeb1b82005a31df4d8c268f1fdbc98238e055f97cf7f18f01fbfd29
[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] ba0cfce454f4c778b38737e7f15bb446ba3a0ae5bc475dc5d8184a49f2b236f4
[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" "ba0cfce454f4c778b38737e7f15bb446ba3a0ae5bc475dc5d8184a49f2b236f4", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.21
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]     Checking rustc-demangle v0.1.4
[INFO] [stderr]     Checking cfg-if v0.1.1
[INFO] [stderr]     Checking bit-vec v0.4.3
[INFO] [stderr]     Checking bytesize v0.1.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.11
[INFO] [stderr]     Checking num-integer v0.1.33
[INFO] [stderr]     Checking num-iter v0.1.33
[INFO] [stderr]     Checking bit-set v0.4.0
[INFO] [stderr]     Checking num v0.1.37
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking time v0.1.36
[INFO] [stderr]    Compiling dbus v0.4.1
[INFO] [stderr]     Checking chrono v0.3.0
[INFO] [stderr]     Checking chan v0.1.19
[INFO] [stderr]     Checking chan-signal v0.2.0
[INFO] [stderr]     Checking systemstat v0.1.2
[INFO] [stderr]     Checking backtrace v0.3.2
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking notify-rust v3.4.0
[INFO] [stderr]  Documenting rust-dwm-status v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.34s
[INFO] running `Command { std: "docker" "inspect" "ba0cfce454f4c778b38737e7f15bb446ba3a0ae5bc475dc5d8184a49f2b236f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba0cfce454f4c778b38737e7f15bb446ba3a0ae5bc475dc5d8184a49f2b236f4", kill_on_drop: false }`
[INFO] [stdout] ba0cfce454f4c778b38737e7f15bb446ba3a0ae5bc475dc5d8184a49f2b236f4