[INFO] cloning repository https://github.com/brayden-marshall/tic-tac-torture
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brayden-marshall/tic-tac-torture" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrayden-marshall%2Ftic-tac-torture", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrayden-marshall%2Ftic-tac-torture'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] da180db50d3469ad371587b2da0a4a88f2e4c1c5
[INFO] documenting brayden-marshall/tic-tac-torture against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrayden-marshall%2Ftic-tac-torture" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/brayden-marshall/tic-tac-torture on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/brayden-marshall/tic-tac-torture
[INFO] finished tweaking git repo https://github.com/brayden-marshall/tic-tac-torture
[INFO] tweaked toml for git repo https://github.com/brayden-marshall/tic-tac-torture written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/brayden-marshall/tic-tac-torture already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c40b963576b4314e9278a9038e9be999c0b91dd3cf120aecb8bfd960b9b45d83
[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" "c40b963576b4314e9278a9038e9be999c0b91dd3cf120aecb8bfd960b9b45d83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c40b963576b4314e9278a9038e9be999c0b91dd3cf120aecb8bfd960b9b45d83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c40b963576b4314e9278a9038e9be999c0b91dd3cf120aecb8bfd960b9b45d83", kill_on_drop: false }`
[INFO] [stdout] c40b963576b4314e9278a9038e9be999c0b91dd3cf120aecb8bfd960b9b45d83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83123605c1cd7ef4ce83a0b8d15685756972d45691d24dfa007341d19c63a4b3
[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" "83123605c1cd7ef4ce83a0b8d15685756972d45691d24dfa007341d19c63a4b3", kill_on_drop: false }`
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking x11-dl v2.18.5
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking pistoncore-input v0.28.0
[INFO] [stderr]     Checking png v0.14.1
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking piston2d-graphics v0.32.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking image v0.21.3
[INFO] [stderr]     Checking pistoncore-window v0.43.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.48.0
[INFO] [stderr]     Checking wayland-commons v0.21.13
[INFO] [stderr]     Checking piston v0.48.0
[INFO] [stderr]     Checking piston-gfx_texture v0.36.0
[INFO] [stderr]     Checking wayland-client v0.21.13
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.61.0
[INFO] [stderr]     Checking wayland-protocols v0.21.13
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.6
[INFO] [stderr]     Checking winit v0.18.1
[INFO] [stderr]     Checking glutin v0.19.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.61.0
[INFO] [stderr]     Checking piston_window v0.98.0
[INFO] [stderr]     Checking tic-tac-torture v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting tic-tac-torture v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.19s
[INFO] running `Command { std: "docker" "inspect" "83123605c1cd7ef4ce83a0b8d15685756972d45691d24dfa007341d19c63a4b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83123605c1cd7ef4ce83a0b8d15685756972d45691d24dfa007341d19c63a4b3", kill_on_drop: false }`
[INFO] [stdout] 83123605c1cd7ef4ce83a0b8d15685756972d45691d24dfa007341d19c63a4b3