[INFO] cloning repository https://github.com/seanchen1991/parallel-conway
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/seanchen1991/parallel-conway" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseanchen1991%2Fparallel-conway", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseanchen1991%2Fparallel-conway'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2a0f6882ba5a6bceeef9fa0ef3eedff17f98653c
[INFO] documenting seanchen1991/parallel-conway against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseanchen1991%2Fparallel-conway" "/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/seanchen1991/parallel-conway on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/seanchen1991/parallel-conway
[INFO] finished tweaking git repo https://github.com/seanchen1991/parallel-conway
[INFO] tweaked toml for git repo https://github.com/seanchen1991/parallel-conway written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/seanchen1991/parallel-conway already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-9/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd6d7ffb4df8c1ec6e6e8473223edd44c0375f3d921ede65b0e71aa4ddfe7280
[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" "fd6d7ffb4df8c1ec6e6e8473223edd44c0375f3d921ede65b0e71aa4ddfe7280", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd6d7ffb4df8c1ec6e6e8473223edd44c0375f3d921ede65b0e71aa4ddfe7280", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd6d7ffb4df8c1ec6e6e8473223edd44c0375f3d921ede65b0e71aa4ddfe7280", kill_on_drop: false }`
[INFO] [stdout] fd6d7ffb4df8c1ec6e6e8473223edd44c0375f3d921ede65b0e71aa4ddfe7280
[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" "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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a0b5abc01a3980f492aa1db3531a9003f268e25cd193106c464c572504a6e55
[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" "6a0b5abc01a3980f492aa1db3531a9003f268e25cd193106c464c572504a6e55", 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libloading v0.6.3
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]     Checking xml-rs v0.8.3
[INFO] [stderr]     Checking interpolation v0.1.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking x11-dl v2.18.5
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking num-iter v0.1.41
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking pistoncore-input v0.23.0
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking wayland-sys v0.21.13
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking piston2d-graphics v0.28.0
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]    Compiling glutin v0.19.0
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking image v0.20.1
[INFO] [stderr]     Checking pistoncore-window v0.34.0
[INFO] [stderr]    Compiling wayland-client v0.21.13
[INFO] [stderr]    Compiling wayland-protocols v0.21.13
[INFO] [stderr]     Checking pistoncore-event_loop v0.39.0
[INFO] [stderr]     Checking piston v0.39.0
[INFO] [stderr]     Checking wayland-commons v0.21.13
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.57.0
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.6
[INFO] [stderr]     Checking winit v0.18.1
[INFO] [stderr]     Checking pistoncore-glutin_window v0.51.1
[INFO] [stderr]  Documenting parallel-conway v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected identifier, found keyword `let`
[INFO] [stdout]   --> src/main.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let let Err(error) = run() {
[INFO] [stdout]    |         ^^^ expected identifier, found keyword
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `:`, `;`, `=`, `@`, or `|`, found `Err`
[INFO] [stdout]   --> src/main.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let let Err(error) = run() {
[INFO] [stdout]    |             ^^^ expected one of `:`, `;`, `=`, `@`, or `|`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found `.`
[INFO] [stdout]   --> src/life.rs:73:22
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 match.rng.gen() {
[INFO] [stdout]    |                 -----^ expected expression
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 while parsing this match expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `sdl2_window`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use sdl2_window::Sdl2Window as Window;
[INFO] [stdout]   |     ^^^^^^^^^^^ use of undeclared type or module `sdl2_window`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `parallel-conway`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name parallel_conway 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 failure=/opt/rustwide/target/debug/deps/libfailure-5012ea58e189948d.rmeta --extern piston=/opt/rustwide/target/debug/deps/libpiston-ed33ce97df267224.rmeta --extern graphics=/opt/rustwide/target/debug/deps/libgraphics-6138e78d15e2c8d2.rmeta --extern opengl_graphics=/opt/rustwide/target/debug/deps/libopengl_graphics-0965c953ecbef759.rmeta --extern glutin_window=/opt/rustwide/target/debug/deps/libglutin_window-4ab55d41e0fad634.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-9b356e0eb33fe2d1.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-f3871106bff3dfa4.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-5429dd6d097468fb.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-8bae3ae9c73ef762.so --extern time=/opt/rustwide/target/debug/deps/libtime-06a439cbf99d31a6.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "6a0b5abc01a3980f492aa1db3531a9003f268e25cd193106c464c572504a6e55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a0b5abc01a3980f492aa1db3531a9003f268e25cd193106c464c572504a6e55", kill_on_drop: false }`
[INFO] [stdout] 6a0b5abc01a3980f492aa1db3531a9003f268e25cd193106c464c572504a6e55