[INFO] cloning repository https://github.com/ajmwagar/snek
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ajmwagar/snek" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajmwagar%2Fsnek", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajmwagar%2Fsnek'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ea9d6d0bb08e5678373a1a84fc546a98afbd2a3f
[INFO] documenting ajmwagar/snek 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%2Fajmwagar%2Fsnek" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ajmwagar/snek 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/ajmwagar/snek
[INFO] finished tweaking git repo https://github.com/ajmwagar/snek
[INFO] tweaked toml for git repo https://github.com/ajmwagar/snek written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/ajmwagar/snek 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]  Downloading crates ...
[INFO] [stderr]   Downloaded minimp3 v0.3.2
[INFO] [stderr]   Downloaded wayland-sys v0.21.12
[INFO] [stderr]   Downloaded wayland-commons v0.21.12
[INFO] [stderr]   Downloaded wayland-protocols v0.21.12
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.4.5
[INFO] [stderr]   Downloaded gilrs-core v0.2.2
[INFO] [stderr]   Downloaded gleam v0.6.16
[INFO] [stderr]   Downloaded immi v1.0.4
[INFO] [stderr]   Downloaded ena v0.11.0
[INFO] [stderr]   Downloaded utf-8 v0.6.0
[INFO] [stderr]   Downloaded rusttype v0.7.5
[INFO] [stderr]   Downloaded string_cache_codegen v0.3.1
[INFO] [stderr]   Downloaded html5ever-atoms v0.2.2
[INFO] [stderr]   Downloaded glutin v0.20.0
[INFO] [stderr]   Downloaded alga v0.8.2
[INFO] [stderr]   Downloaded gilrs v0.7.1
[INFO] [stderr]   Downloaded lyon v0.13.1
[INFO] [stderr]   Downloaded lalrpop v0.16.3
[INFO] [stderr]   Downloaded ncollide2d v0.18.4
[INFO] [stderr]   Downloaded html2runes v1.0.1
[INFO] [stderr]   Downloaded stdweb v0.4.15
[INFO] [stderr]   Downloaded html5ever v0.13.1
[INFO] [stderr]   Downloaded webgl_stdweb v0.3.0
[INFO] [stderr]   Downloaded webidl v0.8.0
[INFO] [stderr]   Downloaded rodio v0.8.1
[INFO] [stderr]   Downloaded glutin_egl_sys v0.1.2
[INFO] [stderr]   Downloaded glutin_gles2_sys v0.1.2
[INFO] [stderr]   Downloaded glutin_wgl_sys v0.1.2
[INFO] [stderr]   Downloaded glutin_glx_sys v0.1.3
[INFO] [stderr]   Downloaded quicksilver v0.3.11
[INFO] [stderr]   Downloaded tendril v0.2.4
[INFO] [stderr]   Downloaded lalrpop-util v0.16.3
[INFO] [stderr]   Downloaded webgl_generator v0.2.0
[INFO] [stderr]   Downloaded wayland-scanner v0.21.12
[INFO] [stderr]   Downloaded wayland-client v0.21.12
[INFO] [stderr]   Downloaded lyon_algorithms v0.13.1
[INFO] [stderr]   Downloaded xmlparser v0.3.0
[INFO] [stderr]   Downloaded svgparser v0.8.1
[INFO] [stderr]   Downloaded lyon_svg v0.13.0
[INFO] [stderr]   Downloaded lyon_extra v0.13.0
[INFO] [stderr]   Downloaded lyon_path v0.13.1
[INFO] [stderr]   Downloaded lyon_tessellation v0.13.1
[INFO] [stderr]   Downloaded nalgebra v0.17.3
[INFO] [stderr]   Downloaded slice-deque v0.1.16
[INFO] [stderr]   Downloaded string_cache v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 0344fd9fed9d04e7ce00426c879895d023d6868fc45bca9832d909aa94c5aef2
[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" "0344fd9fed9d04e7ce00426c879895d023d6868fc45bca9832d909aa94c5aef2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0344fd9fed9d04e7ce00426c879895d023d6868fc45bca9832d909aa94c5aef2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0344fd9fed9d04e7ce00426c879895d023d6868fc45bca9832d909aa94c5aef2", kill_on_drop: false }`
[INFO] [stdout] 0344fd9fed9d04e7ce00426c879895d023d6868fc45bca9832d909aa94c5aef2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ae1451f1131dc6b2c1151b89d12e68f573717ffeb6e58c03abbb51f57a95cf5c
[INFO] running `Command { std: "docker" "start" "-a" "ae1451f1131dc6b2c1151b89d12e68f573717ffeb6e58c03abbb51f57a95cf5c", kill_on_drop: false }`
[INFO] [stderr]     Checking immi v1.0.4
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling minimp3-sys v0.3.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking nix v0.11.0
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling gl_generator v0.11.0
[INFO] [stderr]     Checking backtrace v0.3.15
[INFO] [stderr]    Compiling syn v0.15.30
[INFO] [stderr]    Compiling wayland-scanner v0.21.12
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.2
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]     Checking rusttype v0.7.5
[INFO] [stderr]     Checking alga v0.8.2
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking wayland-sys v0.21.12
[INFO] [stderr]     Checking minimp3 v0.3.2
[INFO] [stderr]     Checking wayland-commons v0.21.12
[INFO] [stderr]     Checking rodio v0.8.1
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.3
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking nalgebra v0.17.3
[INFO] [stderr]    Compiling wayland-client v0.21.12
[INFO] [stderr]    Compiling wayland-protocols v0.21.12
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking gilrs-core v0.2.2
[INFO] [stderr]     Checking gilrs v0.7.1
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling euclid_macros v0.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking euclid v0.19.8
[INFO] [stderr]     Checking xmlparser v0.3.0
[INFO] [stderr]     Checking svgparser v0.8.1
[INFO] [stderr]     Checking lyon_geom v0.12.4
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking image v0.21.0
[INFO] [stderr]     Checking lyon_path v0.13.1
[INFO] [stderr]     Checking lyon_svg v0.13.0
[INFO] [stderr]     Checking lyon_algorithms v0.13.1
[INFO] [stderr]     Checking lyon_tessellation v0.13.1
[INFO] [stderr]     Checking lyon_extra v0.13.0
[INFO] [stderr]     Checking lyon v0.13.1
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.5
[INFO] [stderr]     Checking serde v1.0.90
[INFO] [stderr]     Checking ncollide2d v0.18.4
[INFO] [stderr]     Checking winit v0.19.1
[INFO] [stderr]     Checking glutin v0.20.0
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking quicksilver v0.3.11
[INFO] [stderr]  Documenting snek v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `rand`
[INFO] [stdout]  --> src/main.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate rand;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `snek`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name snek src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern quicksilver=/opt/rustwide/target/debug/deps/libquicksilver-850f6df955ed32d6.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "ae1451f1131dc6b2c1151b89d12e68f573717ffeb6e58c03abbb51f57a95cf5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae1451f1131dc6b2c1151b89d12e68f573717ffeb6e58c03abbb51f57a95cf5c", kill_on_drop: false }`
[INFO] [stdout] ae1451f1131dc6b2c1151b89d12e68f573717ffeb6e58c03abbb51f57a95cf5c