[INFO] cloning repository https://github.com/samwho/rust-debugger
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/samwho/rust-debugger" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamwho%2Frust-debugger", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamwho%2Frust-debugger'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b0a245dcfa8023e0d7778c516e473c64dcb2e724
[INFO] documenting samwho/rust-debugger 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%2Fsamwho%2Frust-debugger" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/samwho/rust-debugger 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/samwho/rust-debugger
[INFO] finished tweaking git repo https://github.com/samwho/rust-debugger
[INFO] tweaked toml for git repo https://github.com/samwho/rust-debugger written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/samwho/rust-debugger 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 6c3163fe7b598f846536c30b3926d84a5026babdbe9d081f7dc0dffda67f29d2
[INFO] running `Command { std: "docker" "start" "-a" "6c3163fe7b598f846536c30b3926d84a5026babdbe9d081f7dc0dffda67f29d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c3163fe7b598f846536c30b3926d84a5026babdbe9d081f7dc0dffda67f29d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c3163fe7b598f846536c30b3926d84a5026babdbe9d081f7dc0dffda67f29d2", kill_on_drop: false }`
[INFO] [stdout] 6c3163fe7b598f846536c30b3926d84a5026babdbe9d081f7dc0dffda67f29d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 487009efe42b05a91c8daa963dfff781a07d7e766d8f16c55bd1ae19c2f0ff78
[INFO] running `Command { std: "docker" "start" "-a" "487009efe42b05a91c8daa963dfff781a07d7e766d8f16c55bd1ae19c2f0ff78", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking smallvec v1.3.0
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]     Checking wasmparser v0.51.4
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]    Compiling iced-x86 v1.1.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking elf v0.0.10
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking gimli v0.20.0
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking os_type v2.2.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking tui v0.9.1
[INFO] [stderr]     Checking object v0.18.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking rustyline v6.1.2
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]     Checking human-panic v1.0.3
[INFO] [stderr]  Documenting rust-debugger v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(str_strip)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `rust-debugger`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name rust_debugger src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=5d264b2023f4fe5d -L dependency=/opt/rustwide/target/debug/deps --extern elf=/opt/rustwide/target/debug/deps/libelf-7aa6f4d12ef0fdbf.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-866df6fc186483d6.rmeta --extern gimli=/opt/rustwide/target/debug/deps/libgimli-ceab92bdb0b5e376.rmeta --extern human_panic=/opt/rustwide/target/debug/deps/libhuman_panic-82a5ab8dae05b16e.rmeta --extern iced_x86=/opt/rustwide/target/debug/deps/libiced_x86-639a1b7cf718df1c.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-7993e188fd3e8634.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-85102257fa40062e.rmeta --extern memmap=/opt/rustwide/target/debug/deps/libmemmap-3e2e4de73e7c41bd.rmeta --extern object=/opt/rustwide/target/debug/deps/libobject-dcc701e738ad5355.rmeta --extern rustyline=/opt/rustwide/target/debug/deps/librustyline-d45c376183bf08ac.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-467bfd02286b85b7.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-22e086f98f65a349.rmeta --extern unicode_width=/opt/rustwide/target/debug/deps/libunicode_width-4a577addc04d2354.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "487009efe42b05a91c8daa963dfff781a07d7e766d8f16c55bd1ae19c2f0ff78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "487009efe42b05a91c8daa963dfff781a07d7e766d8f16c55bd1ae19c2f0ff78", kill_on_drop: false }`
[INFO] [stdout] 487009efe42b05a91c8daa963dfff781a07d7e766d8f16c55bd1ae19c2f0ff78