[INFO] fetching crate slug 0.1.4...
[INFO] documenting slug-0.1.4 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate slug 0.1.4 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate slug 0.1.4 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slug 0.1.4
[INFO] finished tweaking crates.io crate slug 0.1.4
[INFO] tweaked toml for crates.io crate slug 0.1.4 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b45fe507217f2c6398c01f99545c62f12a393f7d793d9de49ecc967c17c5c5f
[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" "2b45fe507217f2c6398c01f99545c62f12a393f7d793d9de49ecc967c17c5c5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b45fe507217f2c6398c01f99545c62f12a393f7d793d9de49ecc967c17c5c5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b45fe507217f2c6398c01f99545c62f12a393f7d793d9de49ecc967c17c5c5f", kill_on_drop: false }`
[INFO] [stdout] 2b45fe507217f2c6398c01f99545c62f12a393f7d793d9de49ecc967c17c5c5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42e0e6091e2b6c8ffd8592310e5a3d1fba614aca8aeb6ba1fe0a9a490b52b363
[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" "42e0e6091e2b6c8ffd8592310e5a3d1fba614aca8aeb6ba1fe0a9a490b52b363", 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]  Documenting slug v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/lib.rs:32:20
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 'a'...'z' | '0'...'9' => {
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/lib.rs:32:32
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 'a'...'z' | '0'...'9' => {
[INFO] [stdout]    |                                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/lib.rs:36:20
[INFO] [stdout]    |
[INFO] [stdout] 36 |                 'A'...'Z' => {
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.71s
[INFO] running `Command { std: "docker" "inspect" "42e0e6091e2b6c8ffd8592310e5a3d1fba614aca8aeb6ba1fe0a9a490b52b363", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42e0e6091e2b6c8ffd8592310e5a3d1fba614aca8aeb6ba1fe0a9a490b52b363", kill_on_drop: false }`
[INFO] [stdout] 42e0e6091e2b6c8ffd8592310e5a3d1fba614aca8aeb6ba1fe0a9a490b52b363
