[INFO] fetching crate rax 0.1.5...
[INFO] documenting rax-0.1.5 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate rax 0.1.5 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate rax 0.1.5 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rax 0.1.5
[INFO] finished tweaking crates.io crate rax 0.1.5
[INFO] tweaked toml for crates.io crate rax 0.1.5 written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a41049b345a64ce64a2c08aac9215bbd2b5a21cbea06432837d9e11770d4059
[INFO] running `Command { std: "docker" "start" "-a" "7a41049b345a64ce64a2c08aac9215bbd2b5a21cbea06432837d9e11770d4059", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a41049b345a64ce64a2c08aac9215bbd2b5a21cbea06432837d9e11770d4059", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a41049b345a64ce64a2c08aac9215bbd2b5a21cbea06432837d9e11770d4059", kill_on_drop: false }`
[INFO] [stdout] 7a41049b345a64ce64a2c08aac9215bbd2b5a21cbea06432837d9e11770d4059
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22e1b592d0491675eacef7fa83e4208860718e80566c4181541ded27ec57c88b
[INFO] running `Command { std: "docker" "start" "-a" "22e1b592d0491675eacef7fa83e4208860718e80566c4181541ded27ec57c88b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling nix v0.11.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling rax v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated struct `gcc::Build`: crate has been renamed to `cc`, the `gcc` name is not maintained
[INFO] [stdout]  --> build.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 |     gcc::Build::new()
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `gcc::Build::new`: crate has been renamed to `cc`, the `gcc` name is not maintained
[INFO] [stdout]  --> build.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 |     gcc::Build::new()
[INFO] [stdout]   |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting rax v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/lib.rs:81:44
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub const RAX_NODE_MAX_SIZE: libc::c_int = ((1 << 29) - 1);
[INFO] [stdout]    |                                            ^             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 81 - pub const RAX_NODE_MAX_SIZE: libc::c_int = ((1 << 29) - 1);
[INFO] [stdout] 81 + pub const RAX_NODE_MAX_SIZE: libc::c_int = (1 << 29) - 1;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/lib.rs:84:47
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub const RAX_ITER_JUST_SEEKED: libc::c_int = (1 << 0);
[INFO] [stdout]    |                                               ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 84 - pub const RAX_ITER_JUST_SEEKED: libc::c_int = (1 << 0);
[INFO] [stdout] 84 + pub const RAX_ITER_JUST_SEEKED: libc::c_int = 1 << 0;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/lib.rs:85:39
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub const RAX_ITER_EOF: libc::c_int = (1 << 1);
[INFO] [stdout]    |                                       ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 85 - pub const RAX_ITER_EOF: libc::c_int = (1 << 1);
[INFO] [stdout] 85 + pub const RAX_ITER_EOF: libc::c_int = 1 << 1;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/lib.rs:86:40
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub const RAX_ITER_SAFE: libc::c_int = (1 << 2);
[INFO] [stdout]    |                                        ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 86 - pub const RAX_ITER_SAFE: libc::c_int = (1 << 2);
[INFO] [stdout] 86 + pub const RAX_ITER_SAFE: libc::c_int = 1 << 2;
[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:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(test)]
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/lib.rs:156:5
[INFO] [stdout]     |
[INFO] [stdout] 156 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 157 | | /// let mut r = RaxMap::new();
[INFO] [stdout] 158 | | /// r.insert(1, Box::new("my heap allocation");
[INFO] [stdout] 159 | | /// r.insert(2, Box::new("my other heap allocation");
[INFO] [stdout] ...   |
[INFO] [stdout] 197 | | /// });
[INFO] [stdout] 198 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::invalid_rust_codeblocks)]` on by default
[INFO] [stdout]     = note: error from rustc: this file contains an unclosed delimiter
[INFO] [stdout]     = note: error from rustc: this file contains an unclosed delimiter
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 156 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `rax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type dylib --crate-type rlib --crate-name rax src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=52f762f36cf87f7c -L dependency=/opt/rustwide/target/debug/deps --extern libc=/opt/rustwide/target/debug/deps/liblibc-4d71df194c95b93b.rmeta --extern nix=/opt/rustwide/target/debug/deps/libnix-a3fbda3f682d56af.rmeta --cap-lints=warn --crate-version 0.1.5` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "22e1b592d0491675eacef7fa83e4208860718e80566c4181541ded27ec57c88b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22e1b592d0491675eacef7fa83e4208860718e80566c4181541ded27ec57c88b", kill_on_drop: false }`
[INFO] [stdout] 22e1b592d0491675eacef7fa83e4208860718e80566c4181541ded27ec57c88b