[INFO] fetching crate dbus-rs 0.0.5...
[INFO] documenting dbus-rs-0.0.5 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate dbus-rs 0.0.5 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate dbus-rs 0.0.5 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 dbus-rs 0.0.5
[INFO] finished tweaking crates.io crate dbus-rs 0.0.5
[INFO] tweaked toml for crates.io crate dbus-rs 0.0.5 written to /workspace/builds/worker-9/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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" "+1.47.0" "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] e4be521a0d5ced8bdc6d955bada324144c4ec60cb4e0738e58f48c1f902c6c70
[INFO] running `Command { std: "docker" "start" "-a" "e4be521a0d5ced8bdc6d955bada324144c4ec60cb4e0738e58f48c1f902c6c70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4be521a0d5ced8bdc6d955bada324144c4ec60cb4e0738e58f48c1f902c6c70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4be521a0d5ced8bdc6d955bada324144c4ec60cb4e0738e58f48c1f902c6c70", kill_on_drop: false }`
[INFO] [stdout] e4be521a0d5ced8bdc6d955bada324144c4ec60cb4e0738e58f48c1f902c6c70
[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" "+1.47.0" "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] 32f432151f0002002e08b6feaed6b231d7dccd4ef61e03f6693db9d0ebda9511
[INFO] running `Command { std: "docker" "start" "-a" "32f432151f0002002e08b6feaed6b231d7dccd4ef61e03f6693db9d0ebda9511", kill_on_drop: false }`
[INFO] [stderr]  Documenting dbus-rs v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::ptr::PtrExt`
[INFO] [stdout]   --> src/lib.rs:17:22
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::ptr::{self, PtrExt};
[INFO] [stdout]    |                      ^^^^^^ no `PtrExt` in `ptr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::collections::DList`
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::collections::DList;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^ no `DList` in `collections`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::borrow::IntoCow`
[INFO] [stdout]  --> src/objpath.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::borrow::IntoCow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^ no `IntoCow` in `borrow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::borrow::IntoCow`
[INFO] [stdout]    --> src/lib.rs:231:13
[INFO] [stdout]     |
[INFO] [stdout] 231 |         use std::borrow::IntoCow;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^ no `IntoCow` in `borrow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `unsafe_destructor` in this scope
[INFO] [stdout]    --> src/objpath.rs:128:3
[INFO] [stdout]     |
[INFO] [stdout] 128 | #[unsafe_destructor]
[INFO] [stdout]     |   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `CowString` in module `std::string`
[INFO] [stdout]     --> src/lib.rs:21:37
[INFO] [stdout]      |
[INFO] [stdout] 21   |   pub type TypeSig<'a> = std::string::CowString<'a>;
[INFO] [stdout]      |                                       ^^^^^^^^^ help: a trait with a similar name exists: `ToString`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Str` in this scope
[INFO] [stdout]   --> src/lib.rs:49:16
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn to_c_str<S: Str>(n: S) -> CString { CString::from_slice(n.as_slice().as_bytes()) }
[INFO] [stdout]    |                ^^^ not found in this scope
[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(unsafe_destructor, alloc, core, libc, std_misc)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0412, E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `dbus-rs`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name dbus_rs 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 --cap-lints=warn --crate-version 0.0.5` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "32f432151f0002002e08b6feaed6b231d7dccd4ef61e03f6693db9d0ebda9511", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32f432151f0002002e08b6feaed6b231d7dccd4ef61e03f6693db9d0ebda9511", kill_on_drop: false }`
[INFO] [stdout] 32f432151f0002002e08b6feaed6b231d7dccd4ef61e03f6693db9d0ebda9511
