[INFO] fetching crate elfkit 0.0.7...
[INFO] documenting elfkit-0.0.7 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate elfkit 0.0.7 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate elfkit 0.0.7 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 elfkit 0.0.7
[INFO] finished tweaking crates.io crate elfkit 0.0.7
[INFO] tweaked toml for crates.io crate elfkit 0.0.7 written to /workspace/builds/worker-2/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] bfbfddb736d7b1890bd07d7f8fdeca026c7a49e239b8a40863a5e3202ca6f673
[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" "bfbfddb736d7b1890bd07d7f8fdeca026c7a49e239b8a40863a5e3202ca6f673", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfbfddb736d7b1890bd07d7f8fdeca026c7a49e239b8a40863a5e3202ca6f673", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfbfddb736d7b1890bd07d7f8fdeca026c7a49e239b8a40863a5e3202ca6f673", kill_on_drop: false }`
[INFO] [stdout] bfbfddb736d7b1890bd07d7f8fdeca026c7a49e239b8a40863a5e3202ca6f673
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] 05d9cfd6dd1a06883080d0887cd9ba0a5ec4fef86491dce53420e5fc11737da9
[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" "05d9cfd6dd1a06883080d0887cd9ba0a5ec4fef86491dce53420e5fc11737da9", kill_on_drop: false }`
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking ar v0.6.2
[INFO] [stderr]     Checking num-integer v0.1.43
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking bloom v0.3.2
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling enum-primitive-derive v0.1.2
[INFO] [stderr]     Checking pretty_env_logger v0.2.5
[INFO] [stderr]     Checking elfkit v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting elfkit v0.0.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/dynamic.rs:109:17
[INFO] [stdout]     |
[INFO] [stdout] 109 |     ) -> Result<(usize), Error>
[INFO] [stdout]     |                 ^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/elf.rs:682:59
[INFO] [stdout]     |
[INFO] [stdout] 682 |     pub fn remove_section(&mut self, at: usize) -> Result<(Section), Error> {
[INFO] [stdout]     |                                                           ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/relocation.rs:180:17
[INFO] [stdout]     |
[INFO] [stdout] 180 |     ) -> Result<(usize), Error>
[INFO] [stdout]     |                 ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/symbol.rs:173:17
[INFO] [stdout]     |
[INFO] [stdout] 173 |     ) -> Result<(usize), Error>
[INFO] [stdout]     |                 ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/dynamic.rs:109:17
[INFO] [stdout]     |
[INFO] [stdout] 109 |     ) -> Result<(usize), Error>
[INFO] [stdout]     |                 ^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/elf.rs:606:9
[INFO] [stdout]     |
[INFO] [stdout] 606 | /         ///TODO this is shitty, because we need to replicate all the alignment code
[INFO] [stdout] 607 | |         ///also most of those sections dont actually need to be moved
[INFO] [stdout]     | |_____________________________________________________________________^
[INFO] [stdout] 608 | /         for sec in &mut self.sections[1..] {
[INFO] [stdout] 609 | |             if sec.header.addralign > 0 {
[INFO] [stdout] 610 | |                 let oa = hoff % sec.header.addralign;
[INFO] [stdout] 611 | |                 if oa != 0 {
[INFO] [stdout] ...   |
[INFO] [stdout] 614 | |             }
[INFO] [stdout] 615 | |         }
[INFO] [stdout]     | |_________- rustdoc does not generate documentation for expressions
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/elf.rs:682:59
[INFO] [stdout]     |
[INFO] [stdout] 682 |     pub fn remove_section(&mut self, at: usize) -> Result<(Section), Error> {
[INFO] [stdout]     |                                                           ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/loader.rs:39:30
[INFO] [stdout]    |
[INFO] [stdout] 39 |         read:    RefCell<Box<ReadSeekSend>>,
[INFO] [stdout]    |                              ^^^^^^^^^^^^ help: use `dyn`: `dyn ReadSeekSend`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/loader.rs:233:50
[INFO] [stdout]     |
[INFO] [stdout] 233 |     fn make_object(name: String, io: RefCell<Box<ReadSeekSend>>) -> Result<State, Error> {
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^ help: use `dyn`: `dyn ReadSeekSend`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/relocation.rs:180:17
[INFO] [stdout]     |
[INFO] [stdout] 180 |     ) -> Result<(usize), Error>
[INFO] [stdout]     |                 ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/symbol.rs:173:17
[INFO] [stdout]     |
[INFO] [stdout] 173 |     ) -> Result<(usize), Error>
[INFO] [stdout]     |                 ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.35s
[INFO] running `Command { std: "docker" "inspect" "05d9cfd6dd1a06883080d0887cd9ba0a5ec4fef86491dce53420e5fc11737da9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05d9cfd6dd1a06883080d0887cd9ba0a5ec4fef86491dce53420e5fc11737da9", kill_on_drop: false }`
[INFO] [stdout] 05d9cfd6dd1a06883080d0887cd9ba0a5ec4fef86491dce53420e5fc11737da9