[INFO] fetching crate lmdb-zero 0.4.4...
[INFO] documenting lmdb-zero-0.4.4 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate lmdb-zero 0.4.4 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate lmdb-zero 0.4.4 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 lmdb-zero 0.4.4
[INFO] finished tweaking crates.io crate lmdb-zero 0.4.4
[INFO] tweaked toml for crates.io crate lmdb-zero 0.4.4 written to /workspace/builds/worker-11/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] [stderr]     Blocking waiting for file lock on package cache
[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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 455edb6738224be98e3fea9baa1fc3bef057c2136531cc6b09748ba1f12aa8ca
[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" "455edb6738224be98e3fea9baa1fc3bef057c2136531cc6b09748ba1f12aa8ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "455edb6738224be98e3fea9baa1fc3bef057c2136531cc6b09748ba1f12aa8ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "455edb6738224be98e3fea9baa1fc3bef057c2136531cc6b09748ba1f12aa8ca", kill_on_drop: false }`
[INFO] [stdout] 455edb6738224be98e3fea9baa1fc3bef057c2136531cc6b09748ba1f12aa8ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 746335f076140acdd52fcd3c38d7667da7759485e28d43d05cf0a70e3541aed4
[INFO] running `Command { std: "docker" "start" "-a" "746335f076140acdd52fcd3c38d7667da7759485e28d43d05cf0a70e3541aed4", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.39
[INFO] [stderr]     Checking libc v0.2.18
[INFO] [stderr]     Checking supercow v0.1.0
[INFO] [stderr]    Compiling liblmdb-sys v0.2.2
[INFO] [stderr]  Documenting lmdb-zero v0.4.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/cursor.rs:250:24
[INFO] [stdout]     |
[INFO] [stdout] 250 |                -> Result<(&'access V)>
[INFO] [stdout]     |                          ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] ...
[INFO] [stdout] 447 | /     cursor_get_0_v! {
[INFO] [stdout] 448 | |         /// Positions the cursor at the first key/value pair whose key is equal
[INFO] [stdout] 449 | |         /// to the current key, returning the value of that pair.
[INFO] [stdout] 450 | |         ///
[INFO] [stdout] ...   |
[INFO] [stdout] 479 | |         fn first_dup, ffi::MDB_cursor_op::MDB_FIRST_DUP
[INFO] [stdout] 480 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/cursor.rs:623:20
[INFO] [stdout]     |
[INFO] [stdout] 623 |          -> Result<(&'access V)>
[INFO] [stdout]     |                    ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/cursor.rs:250:24
[INFO] [stdout]     |
[INFO] [stdout] 250 |                -> Result<(&'access V)>
[INFO] [stdout]     |                          ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] ...
[INFO] [stdout] 656 | /     cursor_get_0_v! {
[INFO] [stdout] 657 | |         /// Continues fetching items from a cursor positioned by a call to
[INFO] [stdout] 658 | |         /// `get_multiple()`.
[INFO] [stdout] 659 | |         ///
[INFO] [stdout] ...   |
[INFO] [stdout] 664 | |         fn next_multiple, ffi::MDB_cursor_op::MDB_NEXT_MULTIPLE
[INFO] [stdout] 665 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/cursor.rs:250:24
[INFO] [stdout]     |
[INFO] [stdout] 250 |                -> Result<(&'access V)>
[INFO] [stdout]     |                          ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] ...
[INFO] [stdout] 698 | /     cursor_get_0_v! {
[INFO] [stdout] 699 | |         /// Positions the cursor at the last key/value pair whose key is equal
[INFO] [stdout] 700 | |         /// to the current key.
[INFO] [stdout] 701 | |         ///
[INFO] [stdout] ...   |
[INFO] [stdout] 731 | |         fn last_dup, ffi::MDB_cursor_op::MDB_LAST_DUP
[INFO] [stdout] 732 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown attribute `norun`. Did you mean `no_run`?
[INFO] [stdout]    --> src/dbi.rs:271:1
[INFO] [stdout]     |
[INFO] [stdout] 271 | / /// A handle on an LMDB database within an environment.
[INFO] [stdout] 272 | | ///
[INFO] [stdout] 273 | | /// Note that in many respects the RAII aspect of this struct is more a matter
[INFO] [stdout] 274 | | /// of convenience than correctness. In particular, if holding a read
[INFO] [stdout] ...   |
[INFO] [stdout] 391 | | /// # }
[INFO] [stdout] 392 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(invalid_codeblock_attributes)]` on by default
[INFO] [stdout]     = help: the code block will either not be tested if not marked as a rust one or will be run (which you might not want)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown attribute `norun`. Did you mean `no_run`?
[INFO] [stdout]    --> src/tx.rs:270:1
[INFO] [stdout]     |
[INFO] [stdout] 270 | / /// Base functionality for an LMDB transaction.
[INFO] [stdout] 271 | | ///
[INFO] [stdout] 272 | | /// The type is "const" in a similar usage to the modifier in C: One cannot use
[INFO] [stdout] 273 | | /// it to make any modifications, but also cannot rely on it actually being
[INFO] [stdout] ...   |
[INFO] [stdout] 320 | | /// it is usually best to use the same lifetime for both the reference and the
[INFO] [stdout] 321 | | /// parameter, eg `&'x lmdb::ConstTransaction<'x>`.
[INFO] [stdout]     | |___________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: the code block will either not be tested if not marked as a rust one or will be run (which you might not want)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown attribute `norun`. Did you mean `no_run`?
[INFO] [stdout]    --> src/tx.rs:415:1
[INFO] [stdout]     |
[INFO] [stdout] 415 | / /// A read-only data accessor obtained from a `ConstTransaction`.
[INFO] [stdout] 416 | | ///
[INFO] [stdout] 417 | | /// There is no corresponding `ReadAccessor`, since there are no additional
[INFO] [stdout] 418 | | /// operations one can do with a known-read-only accessor.
[INFO] [stdout] ...   |
[INFO] [stdout] 448 | | /// is usually best to use the same lifetime for both the reference and the
[INFO] [stdout] 449 | | /// parameter, eg `&'x lmdb::ConstAccessor<'x>`.
[INFO] [stdout]     | |________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: the code block will either not be tested if not marked as a rust one or will be run (which you might not want)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown attribute `norun`. Did you mean `no_run`?
[INFO] [stdout]    --> src/cursor.rs:35:1
[INFO] [stdout]     |
[INFO] [stdout] 35  | / /// A cursor into an LMDB database.
[INFO] [stdout] 36  | | ///
[INFO] [stdout] 37  | | /// Depending on the context, a cursor's lifetime may be scoped to a
[INFO] [stdout] 38  | | /// transaction or to the whole environment. Its lifetime is also naturally
[INFO] [stdout] ...   |
[INFO] [stdout] 173 | | /// Attempting to unify the lifetimes on a `&mut Cursor` will often work, but
[INFO] [stdout] 174 | | /// can also cause the compiler to infer lifetimes in unfavourable ways.
[INFO] [stdout]     | |________________________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: the code block will either not be tested if not marked as a rust one or will be run (which you might not want)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown attribute `norun`. Did you mean `no_run`?
[INFO] [stdout]    --> src/dbi.rs:271:1
[INFO] [stdout]     |
[INFO] [stdout] 271 | / /// A handle on an LMDB database within an environment.
[INFO] [stdout] 272 | | ///
[INFO] [stdout] 273 | | /// Note that in many respects the RAII aspect of this struct is more a matter
[INFO] [stdout] 274 | | /// of convenience than correctness. In particular, if holding a read
[INFO] [stdout] ...   |
[INFO] [stdout] 391 | | /// # }
[INFO] [stdout] 392 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = help: the code block will either not be tested if not marked as a rust one or will be run (which you might not want)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.72s
[INFO] running `Command { std: "docker" "inspect" "746335f076140acdd52fcd3c38d7667da7759485e28d43d05cf0a70e3541aed4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "746335f076140acdd52fcd3c38d7667da7759485e28d43d05cf0a70e3541aed4", kill_on_drop: false }`
[INFO] [stdout] 746335f076140acdd52fcd3c38d7667da7759485e28d43d05cf0a70e3541aed4