[INFO] fetching crate spinlocks 0.0.1... [INFO] documenting spinlocks-0.0.1 against beta-2020-08-29 for beta-1.47-rustdoc-1 [INFO] extracting crate spinlocks 0.0.1 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate spinlocks 0.0.1 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 spinlocks 0.0.1 [INFO] finished tweaking crates.io crate spinlocks 0.0.1 [INFO] tweaked toml for crates.io crate spinlocks 0.0.1 written to /workspace/builds/worker-4/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] b7ab0ef06e919cfc32252dced59b8dc2fc9e020bec17226e968a46f0dd637af1 [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" "b7ab0ef06e919cfc32252dced59b8dc2fc9e020bec17226e968a46f0dd637af1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b7ab0ef06e919cfc32252dced59b8dc2fc9e020bec17226e968a46f0dd637af1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b7ab0ef06e919cfc32252dced59b8dc2fc9e020bec17226e968a46f0dd637af1", kill_on_drop: false }` [INFO] [stdout] b7ab0ef06e919cfc32252dced59b8dc2fc9e020bec17226e968a46f0dd637af1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 179720d6f0ed4f285ffcf07f07e9604cef1a9346788209d8d2e6a825c6a142eb [INFO] running `Command { std: "docker" "start" "-a" "179720d6f0ed4f285ffcf07f07e9604cef1a9346788209d8d2e6a825c6a142eb", kill_on_drop: false }` [INFO] [stderr] Compiling const_fn v0.4.2 [INFO] [stderr] Compiling standback v0.2.10 [INFO] [stderr] Compiling time v0.2.17 [INFO] [stderr] Compiling time-macros-impl v0.1.1 [INFO] [stderr] Checking time-macros v0.1.0 [INFO] [stderr] Documenting spinlocks v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] error: cannot find attribute `unsafe_destructor` in this scope [INFO] [stdout] --> src/lib.rs:390:3 [INFO] [stdout] | [INFO] [stdout] 390 | #[unsafe_destructor] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: cannot find attribute `unsafe_destructor` in this scope [INFO] [stdout] --> src/lib.rs:429:3 [INFO] [stdout] | [INFO] [stdout] 429 | #[unsafe_destructor] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:34:1 [INFO] [stdout] | [INFO] [stdout] 34 | #![feature(optin_builtin_traits)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:35:1 [INFO] [stdout] | [INFO] [stdout] 35 | #![feature(unsafe_destructor)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:36:1 [INFO] [stdout] | [INFO] [stdout] 36 | #![feature(core)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:37:1 [INFO] [stdout] | [INFO] [stdout] 37 | #![feature(std_misc)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:38:1 [INFO] [stdout] | [INFO] [stdout] 38 | #![feature(test)] [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/lib.rs:371:13 [INFO] [stdout] | [INFO] [stdout] 371 | impl<'a, T> !Send for SpinLockReadGuard<'a, T> {} [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/lib.rs:405:13 [INFO] [stdout] | [INFO] [stdout] 405 | impl<'a, T> !Send for SpinLockWriteGuard<'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 10 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 `spinlocks`. [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --crate-type lib --crate-name spinlocks 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 time=/opt/rustwide/target/debug/deps/libtime-cbc4db3aa037601e.rmeta --cap-lints=warn --crate-version 0.0.1` (exit code: 1) [INFO] running `Command { std: "docker" "inspect" "179720d6f0ed4f285ffcf07f07e9604cef1a9346788209d8d2e6a825c6a142eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "179720d6f0ed4f285ffcf07f07e9604cef1a9346788209d8d2e6a825c6a142eb", kill_on_drop: false }` [INFO] [stdout] 179720d6f0ed4f285ffcf07f07e9604cef1a9346788209d8d2e6a825c6a142eb