[INFO] cloning repository https://github.com/sh4869/dirty_material_cleaner
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sh4869/dirty_material_cleaner" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsh4869%2Fdirty_material_cleaner", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsh4869%2Fdirty_material_cleaner'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8ad3c434ab8820f9867e94a5d1dac9ef2a448821
[INFO] documenting sh4869/dirty_material_cleaner 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%2Fsh4869%2Fdirty_material_cleaner" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sh4869/dirty_material_cleaner 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/sh4869/dirty_material_cleaner
[INFO] finished tweaking git repo https://github.com/sh4869/dirty_material_cleaner
[INFO] tweaked toml for git repo https://github.com/sh4869/dirty_material_cleaner written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/sh4869/dirty_material_cleaner 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] f899973ac19c74179de7ea591f38e8a6215c5bb209b15240541a5391fca9ba9f
[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" "f899973ac19c74179de7ea591f38e8a6215c5bb209b15240541a5391fca9ba9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f899973ac19c74179de7ea591f38e8a6215c5bb209b15240541a5391fca9ba9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f899973ac19c74179de7ea591f38e8a6215c5bb209b15240541a5391fca9ba9f", kill_on_drop: false }`
[INFO] [stdout] f899973ac19c74179de7ea591f38e8a6215c5bb209b15240541a5391fca9ba9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8e5ddd8c9e61bc0a13eee5a2715ef326df129cdbd8ab44d08dca21721b7fea14
[INFO] running `Command { std: "docker" "start" "-a" "8e5ddd8c9e61bc0a13eee5a2715ef326df129cdbd8ab44d08dca21721b7fea14", kill_on_drop: false }`
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]    Compiling syn v0.15.21
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking tiff v0.2.1
[INFO] [stderr]     Checking image v0.20.1
[INFO] [stderr]  Documenting drity_material_cleaner v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `,`, `@`, `]`, or `|`, found `..`
[INFO] [stdout]   --> src/main.rs:17:25
[INFO] [stdout]    |
[INFO] [stdout] 17 |             (&[_, ref at..], &[]) => {
[INFO] [stdout]    |                         ^^ expected one of `,`, `@`, `]`, or `|`
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to bind the contents of the rest of the array pattern into `at`, use `@`
[INFO] [stdout]    |
[INFO] [stdout] 17 |             (&[_, ref at @ ..], &[]) => {
[INFO] [stdout]    |                          ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `drity_material_cleaner`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name drity_material_cleaner 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 image=/opt/rustwide/target/debug/deps/libimage-8a5bb9de39677819.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "8e5ddd8c9e61bc0a13eee5a2715ef326df129cdbd8ab44d08dca21721b7fea14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e5ddd8c9e61bc0a13eee5a2715ef326df129cdbd8ab44d08dca21721b7fea14", kill_on_drop: false }`
[INFO] [stdout] 8e5ddd8c9e61bc0a13eee5a2715ef326df129cdbd8ab44d08dca21721b7fea14