[INFO] fetching crate bitwise 0.1.1...
[INFO] documenting bitwise-0.1.1 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate bitwise 0.1.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate bitwise 0.1.1 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitwise 0.1.1
[INFO] finished tweaking crates.io crate bitwise 0.1.1
[INFO] tweaked toml for crates.io crate bitwise 0.1.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `panic` setting is ignored for `bench` profile
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitintr v0.1.18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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-2020-10-09" "metadata" "--no-deps" "--format-version=1", 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] 750cb391078ddade3c44f969289f29d068d19ef6d262c4c4bf94ea0c23b4cd2a
[INFO] running `Command { std: "docker" "start" "-a" "750cb391078ddade3c44f969289f29d068d19ef6d262c4c4bf94ea0c23b4cd2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "750cb391078ddade3c44f969289f29d068d19ef6d262c4c4bf94ea0c23b4cd2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "750cb391078ddade3c44f969289f29d068d19ef6d262c4c4bf94ea0c23b4cd2a", kill_on_drop: false }`
[INFO] [stdout] 750cb391078ddade3c44f969289f29d068d19ef6d262c4c4bf94ea0c23b4cd2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9dd217dbf0d81eaf572b5a378879f5624b87269f898fd495040f01d67368fbe3
[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" "9dd217dbf0d81eaf572b5a378879f5624b87269f898fd495040f01d67368fbe3", kill_on_drop: false }`
[INFO] [stderr] warning: `panic` setting is ignored for `bench` profile
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling bitintr v0.1.18
[INFO] [stderr]    Compiling bitwise v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting bitwise v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: specialization is unstable
[INFO] [stdout]   --> src/word/to_word.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 | /     default fn from(x: T) -> Self {
[INFO] [stdout] 59 | |         ToWord::to(x)
[INFO] [stdout] 60 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `bitwise`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name bitwise 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 bitintr=/opt/rustwide/target/debug/deps/libbitintr-5263d5801426c4eb.rmeta --cap-lints=warn --crate-version 0.1.1` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "9dd217dbf0d81eaf572b5a378879f5624b87269f898fd495040f01d67368fbe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dd217dbf0d81eaf572b5a378879f5624b87269f898fd495040f01d67368fbe3", kill_on_drop: false }`
[INFO] [stdout] 9dd217dbf0d81eaf572b5a378879f5624b87269f898fd495040f01d67368fbe3
