[INFO] fetching crate lib_composite 0.7.0... [INFO] documenting lib_composite-0.7.0 against beta-2020-08-29 for beta-1.47-rustdoc-1 [INFO] extracting crate lib_composite 0.7.0 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate lib_composite 0.7.0 on toolchain beta-2020-08-29 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate lib_composite 0.7.0 [INFO] finished tweaking crates.io crate lib_composite 0.7.0 [INFO] tweaked toml for crates.io crate lib_composite 0.7.0 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded libc-extra v0.0.15 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 95440eb29094b39ea7cb1a0cf78bcb9dca0e4db62b49941ad36ac44b3c2307d2 [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" "95440eb29094b39ea7cb1a0cf78bcb9dca0e4db62b49941ad36ac44b3c2307d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "95440eb29094b39ea7cb1a0cf78bcb9dca0e4db62b49941ad36ac44b3c2307d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "95440eb29094b39ea7cb1a0cf78bcb9dca0e4db62b49941ad36ac44b3c2307d2", kill_on_drop: false }` [INFO] [stdout] 95440eb29094b39ea7cb1a0cf78bcb9dca0e4db62b49941ad36ac44b3c2307d2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d31b4484bb6f5254b8e8db8f28e4d5d295c5d2d75fccd713af67751e4f98c2b3 [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" "d31b4484bb6f5254b8e8db8f28e4d5d295c5d2d75fccd713af67751e4f98c2b3", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking libc v0.2.76 [INFO] [stderr] Checking const-cstr-fork v0.2.2 [INFO] [stderr] Checking libc-extra v0.0.15 [INFO] [stderr] Documenting lib_composite v0.7.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(optin_builtin_traits)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now [INFO] [stdout] --> src/kernel_api.rs:17:6 [INFO] [stdout] | [INFO] [stdout] 17 | impl !Send for DefKernelAPI{} [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #68318 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now [INFO] [stdout] --> src/kernel_api.rs:18:6 [INFO] [stdout] | [INFO] [stdout] 18 | impl !Sync for DefKernelAPI{} [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #68318 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now [INFO] [stdout] --> src/sl.rs:18:6 [INFO] [stdout] | [INFO] [stdout] 18 | impl !Send for Sl{} [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #68318 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now [INFO] [stdout] --> src/sl.rs:19:6 [INFO] [stdout] | [INFO] [stdout] 19 | impl !Sync for Sl{} [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #68318 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now [INFO] [stdout] --> src/sl_lock.rs:22:21 [INFO] [stdout] | [INFO] [stdout] 22 | impl<'a, T: ?Sized> !Send for LockGuard<'a, T> { } [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #68318 for more information [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: E0554, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: Could not document `lib_composite`. [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --crate-type lib --crate-name lib_composite 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 libc=/opt/rustwide/target/debug/deps/liblibc-32e735f57b64aa83.rmeta --extern libc_extra=/opt/rustwide/target/debug/deps/liblibc_extra-51606464934db19c.rmeta --cap-lints=warn --crate-version 0.7.0` (exit code: 1) [INFO] running `Command { std: "docker" "inspect" "d31b4484bb6f5254b8e8db8f28e4d5d295c5d2d75fccd713af67751e4f98c2b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d31b4484bb6f5254b8e8db8f28e4d5d295c5d2d75fccd713af67751e4f98c2b3", kill_on_drop: false }` [INFO] [stdout] d31b4484bb6f5254b8e8db8f28e4d5d295c5d2d75fccd713af67751e4f98c2b3