[INFO] cloning repository https://github.com/artcodex/szb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/artcodex/szb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fartcodex%2Fszb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fartcodex%2Fszb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dde0d686b929aa57cdfab4567e9f6269adecf824
[INFO] documenting artcodex/szb against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fartcodex%2Fszb" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/artcodex/szb on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/artcodex/szb
[INFO] finished tweaking git repo https://github.com/artcodex/szb
[INFO] tweaked toml for git repo https://github.com/artcodex/szb written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/artcodex/szb already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 818a4b77d622f23aca1b53ce710ae4ede049db6cf75466ff17ea22e421325b93
[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" "818a4b77d622f23aca1b53ce710ae4ede049db6cf75466ff17ea22e421325b93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "818a4b77d622f23aca1b53ce710ae4ede049db6cf75466ff17ea22e421325b93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "818a4b77d622f23aca1b53ce710ae4ede049db6cf75466ff17ea22e421325b93", kill_on_drop: false }`
[INFO] [stdout] 818a4b77d622f23aca1b53ce710ae4ede049db6cf75466ff17ea22e421325b93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1fbffa9266607cabee4046d8189bee0b26e4cfe62e8ee08111d64c63f06b78f
[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" "c1fbffa9266607cabee4046d8189bee0b26e4cfe62e8ee08111d64c63f06b78f", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling bitflags v1.0.1
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling either v1.4.0
[INFO] [stderr]    Compiling khronos_api v2.0.0
[INFO] [stderr]     Checking num-traits v0.1.41
[INFO] [stderr]     Checking bitflags v0.8.2
[INFO] [stderr]    Compiling sdl2-sys v0.30.0
[INFO] [stderr]     Checking libc v0.2.34
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]    Compiling log v0.4.0
[INFO] [stderr]     Checking draw_state v0.7.1
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]     Checking rand v0.3.19
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking num v0.1.41
[INFO] [stderr]    Compiling gl_generator v0.7.0
[INFO] [stderr]     Checking sdl2 v0.30.0
[INFO] [stderr]    Compiling gfx_gl v0.4.0
[INFO] [stderr]    Compiling derivative v1.0.0
[INFO] [stderr]     Checking gfx_core v0.7.2
[INFO] [stderr]     Checking gfx_device_gl v0.14.6
[INFO] [stderr]     Checking gfx v0.16.2
[INFO] [stderr]     Checking gfx_window_sdl v0.7.0
[INFO] [stderr]  Documenting szb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.86s
[INFO] running `Command { std: "docker" "inspect" "c1fbffa9266607cabee4046d8189bee0b26e4cfe62e8ee08111d64c63f06b78f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1fbffa9266607cabee4046d8189bee0b26e4cfe62e8ee08111d64c63f06b78f", kill_on_drop: false }`
[INFO] [stdout] c1fbffa9266607cabee4046d8189bee0b26e4cfe62e8ee08111d64c63f06b78f