[INFO] cloning repository https://github.com/Ninja3047/load-symbols
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ninja3047/load-symbols" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNinja3047%2Fload-symbols", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNinja3047%2Fload-symbols'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e3db637c1647bc65c150b48316d7a9330238c57d
[INFO] documenting Ninja3047/load-symbols against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNinja3047%2Fload-symbols" "/workspace/builds/worker-18/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-18/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ninja3047/load-symbols 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 git repo https://github.com/Ninja3047/load-symbols
[INFO] finished tweaking git repo https://github.com/Ninja3047/load-symbols
[INFO] tweaked toml for git repo https://github.com/Ninja3047/load-symbols written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] crate git repo https://github.com/Ninja3047/load-symbols already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--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-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] ea8843abe59c1bfa462743cd40245aab91c650af4acd0b8ffd57be615921ecfa
[INFO] running `Command { std: "docker" "start" "-a" "ea8843abe59c1bfa462743cd40245aab91c650af4acd0b8ffd57be615921ecfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea8843abe59c1bfa462743cd40245aab91c650af4acd0b8ffd57be615921ecfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea8843abe59c1bfa462743cd40245aab91c650af4acd0b8ffd57be615921ecfa", kill_on_drop: false }`
[INFO] [stdout] ea8843abe59c1bfa462743cd40245aab91c650af4acd0b8ffd57be615921ecfa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] e8427474d68ff687a8adec52b313e05fac808f1d3e3bab768138b776be0b08a1
[INFO] running `Command { std: "docker" "start" "-a" "e8427474d68ff687a8adec52b313e05fac808f1d3e3bab768138b776be0b08a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling bindgen v0.59.2
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling cpp_demangle v0.3.5
[INFO] [stderr]    Compiling load-symbols v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]    Compiling libloading v0.7.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clang-sys v1.3.2
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling nom v7.1.1
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v4.2.5
[INFO] [stderr]     Checking flate2 v1.0.23
[INFO] [stderr]     Checking memmap2 v0.5.3
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]     Checking object v0.28.4
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling binaryninjacore-sys v0.1.0 (https://github.com/Vector35/binaryninja-api.git?branch=dev#34cabece)
[INFO] [stderr]     Checking binaryninja v0.1.0 (https://github.com/Vector35/binaryninja-api.git?branch=dev#34cabece)
[INFO] [stderr]  Documenting load-symbols v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(is_some_with)]
[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:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(let_chains)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `load-symbols`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type cdylib --crate-name load_symbols src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=886dbe8fe6c3ef4e -L dependency=/opt/rustwide/target/debug/deps --extern binaryninja=/opt/rustwide/target/debug/deps/libbinaryninja-a584a53fc325bce1.rmeta --extern cpp_demangle=/opt/rustwide/target/debug/deps/libcpp_demangle-0391be545d38bf6a.rmeta --extern derivative=/opt/rustwide/target/debug/deps/libderivative-9aac17084d54dac8.so --extern log=/opt/rustwide/target/debug/deps/liblog-0b61054b794719d9.rmeta --extern memmap2=/opt/rustwide/target/debug/deps/libmemmap2-bb4f8525ed23b319.rmeta --extern object=/opt/rustwide/target/debug/deps/libobject-9aa43444163fc4f4.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "e8427474d68ff687a8adec52b313e05fac808f1d3e3bab768138b776be0b08a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8427474d68ff687a8adec52b313e05fac808f1d3e3bab768138b776be0b08a1", kill_on_drop: false }`
[INFO] [stdout] e8427474d68ff687a8adec52b313e05fac808f1d3e3bab768138b776be0b08a1