[INFO] updating cached repository https://github.com/twh2898/rs_ant
[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] c2290e3b05979d0a45b755c9e489219d48e17164
[INFO] documenting twh2898/rs_ant against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwh2898%2Frs_ant" "/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/twh2898/rs_ant 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/twh2898/rs_ant
[INFO] finished tweaking git repo https://github.com/twh2898/rs_ant
[INFO] tweaked toml for git repo https://github.com/twh2898/rs_ant written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/twh2898/rs_ant 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-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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f240b94abfec5e99a6a7c77f74430548b5b192258ccec0af99f4a9a2082dbec0
[INFO] running `Command { std: "docker" "start" "-a" "f240b94abfec5e99a6a7c77f74430548b5b192258ccec0af99f4a9a2082dbec0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f240b94abfec5e99a6a7c77f74430548b5b192258ccec0af99f4a9a2082dbec0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f240b94abfec5e99a6a7c77f74430548b5b192258ccec0af99f4a9a2082dbec0", kill_on_drop: false }`
[INFO] [stdout] f240b94abfec5e99a6a7c77f74430548b5b192258ccec0af99f4a9a2082dbec0
[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] a106e0bc5029b049003c9c9c10ecfbaf0e7555a7c367713a1fb92ee72140a6a4
[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" "a106e0bc5029b049003c9c9c10ecfbaf0e7555a7c367713a1fb92ee72140a6a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.24
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling serde v0.9.15
[INFO] [stderr]    Compiling num-traits v0.1.39
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking rustc-demangle v0.1.4
[INFO] [stderr]     Checking smallvec v0.1.8
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]    Compiling backtrace-sys v0.1.11
[INFO] [stderr]    Compiling x11-dl v2.14.0
[INFO] [stderr]     Checking shared_library v0.1.5
[INFO] [stderr]    Compiling gl_generator v0.5.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]     Checking fs2 v0.2.5
[INFO] [stderr]     Checking memmap v0.4.0
[INFO] [stderr]     Checking tempfile v2.1.5
[INFO] [stderr]    Compiling glutin v0.7.4
[INFO] [stderr]    Compiling glium v0.16.0
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]     Checking dlib v0.3.1
[INFO] [stderr]     Checking wayland-sys v0.7.8
[INFO] [stderr]     Checking wayland-client v0.7.8
[INFO] [stderr]     Checking wayland-kbd v0.6.3
[INFO] [stderr]     Checking wayland-window v0.4.4
[INFO] [stderr]     Checking winit v0.5.11
[INFO] [stderr]  Documenting rs_ant v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `Command { std: "docker" "inspect" "a106e0bc5029b049003c9c9c10ecfbaf0e7555a7c367713a1fb92ee72140a6a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a106e0bc5029b049003c9c9c10ecfbaf0e7555a7c367713a1fb92ee72140a6a4", kill_on_drop: false }`
[INFO] [stdout] a106e0bc5029b049003c9c9c10ecfbaf0e7555a7c367713a1fb92ee72140a6a4