[INFO] fetching crate whisper 0.1.11...
[INFO] documenting whisper-0.1.11 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate whisper 0.1.11 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate whisper 0.1.11 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 crates.io crate whisper 0.1.11
[INFO] finished tweaking crates.io crate whisper 0.1.11
[INFO] tweaked toml for crates.io crate whisper 0.1.11 written to /workspace/builds/worker-9/source/Cargo.toml
[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] 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] 14896ccc701a1c1446234d731dc5a12123c620f5c7fd56a3ec9ff19d9ef62eda
[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" "14896ccc701a1c1446234d731dc5a12123c620f5c7fd56a3ec9ff19d9ef62eda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14896ccc701a1c1446234d731dc5a12123c620f5c7fd56a3ec9ff19d9ef62eda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14896ccc701a1c1446234d731dc5a12123c620f5c7fd56a3ec9ff19d9ef62eda", kill_on_drop: false }`
[INFO] [stdout] 14896ccc701a1c1446234d731dc5a12123c620f5c7fd56a3ec9ff19d9ef62eda
[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] 7cf0bb89ce579bada26ad55326bdf43fac37d28de1ea5ad2bea51c1557b23ffe
[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" "7cf0bb89ce579bada26ad55326bdf43fac37d28de1ea5ad2bea51c1557b23ffe", kill_on_drop: false }`
[INFO] [stderr]  Documenting whisper v0.1.11 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `memmap::Protection`
[INFO] [stdout]  --> src/whisper/file/mod.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use memmap::{ Mmap, Protection };
[INFO] [stdout]   |                     ^^^^^^^^^^ no `Protection` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `memmap::MmapViewSync`
[INFO] [stdout]  --> src/whisper/file/header.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use memmap::MmapViewSync;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^ no `MmapViewSync` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `funcs` in `libc`
[INFO] [stdout]   --> src/whisper/file/mod.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 | use self::libc::funcs::posix01::unistd::ftruncate;
[INFO] [stdout]    |                 ^^^^^ could not find `funcs` in `libc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `memmap::MmapViewSync`
[INFO] [stdout]  --> src/whisper/file/archive.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use memmap::MmapViewSync;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^ no `MmapViewSync` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::fs::PathExt`
[INFO] [stdout]  --> src/whisper/cache/mod.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::fs::{ PathExt, DirBuilder };
[INFO] [stdout]   |                ^^^^^^^ no `PathExt` in `fs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test, path_ext, dir_builder)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `whisper`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name whisper src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-cdbbc07100f440a1.rmeta --extern docopt=/opt/rustwide/target/debug/deps/libdocopt-870cb0425ae38054.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-f107b2ea0c77a513.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-1ad3ad1e20beb97f.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-958bf2a074a4960f.rmeta --extern lru_cache=/opt/rustwide/target/debug/deps/liblru_cache-0fea32ff90b819de.rmeta --extern memmap=/opt/rustwide/target/debug/deps/libmemmap-5e36c0d4fd2fa327.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-5103ea9f59ed634c.rmeta --extern rustc_serialize=/opt/rustwide/target/debug/deps/librustc_serialize-0e355727854478f2.rmeta --extern time=/opt/rustwide/target/debug/deps/libtime-3d06e942690f01b7.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "7cf0bb89ce579bada26ad55326bdf43fac37d28de1ea5ad2bea51c1557b23ffe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cf0bb89ce579bada26ad55326bdf43fac37d28de1ea5ad2bea51c1557b23ffe", kill_on_drop: false }`
[INFO] [stdout] 7cf0bb89ce579bada26ad55326bdf43fac37d28de1ea5ad2bea51c1557b23ffe