[INFO] cloning repository https://github.com/burjui/rambo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/burjui/rambo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fburjui%2Frambo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fburjui%2Frambo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 08f1e9e93f66228509d716134683b900590f1ceb
[INFO] documenting burjui/rambo against 1.69.0 for beta-1.70-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fburjui%2Frambo" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/burjui/rambo on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/burjui/rambo
[INFO] finished tweaking git repo https://github.com/burjui/rambo
[INFO] tweaked toml for git repo https://github.com/burjui/rambo written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/burjui/rambo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded elapsed v0.1.2
[INFO] [stderr]   Downloaded bincode_derive v2.0.0-rc.2
[INFO] [stderr]   Downloaded risky v0.3.0
[INFO] [stderr]   Downloaded bincode v2.0.0-rc.2
[INFO] [stderr]   Downloaded virtue v0.0.8
[INFO] [stderr]   Downloaded iset v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94d75d78e524e3576efd459ee8910a33bfe00211c2c0832fef4fbeda242823fd
[INFO] running `Command { std: "docker" "start" "-a" "94d75d78e524e3576efd459ee8910a33bfe00211c2c0832fef4fbeda242823fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94d75d78e524e3576efd459ee8910a33bfe00211c2c0832fef4fbeda242823fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94d75d78e524e3576efd459ee8910a33bfe00211c2c0832fef4fbeda242823fd", kill_on_drop: false }`
[INFO] [stdout] 94d75d78e524e3576efd459ee8910a33bfe00211c2c0832fef4fbeda242823fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ec04464f60ae35a81a4f58e2fad19faf5b09ace0075546352693b98e62d0e4c
[INFO] running `Command { std: "docker" "start" "-a" "9ec04464f60ae35a81a4f58e2fad19faf5b09ace0075546352693b98e62d0e4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling virtue v0.0.8
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking risky v0.3.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking iset v0.1.1
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking riscv v0.1.0 (/opt/rustwide/workdir/riscv)
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking elapsed v0.1.2
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking bimap v0.6.2
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]     Checking riscv_emulator v0.1.0 (/opt/rustwide/workdir/riscv_emulator)
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]    Compiling bincode_derive v2.0.0-rc.2
[INFO] [stderr]     Checking bincode v2.0.0-rc.2
[INFO] [stderr]  Documenting rambo v0.3.7 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(decl_macro)]
[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 `rambo`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name rambo 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=66e55c732116f6d8 -L dependency=/opt/rustwide/target/debug/deps --extern bimap=/opt/rustwide/target/debug/deps/libbimap-625c8d6c9fa8aa24.rmeta --extern bincode=/opt/rustwide/target/debug/deps/libbincode-ed21b645d5f32b6c.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-1a1c34f79f6e612c.rmeta --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-f66b59f6631a5df0.rmeta --extern bytes=/opt/rustwide/target/debug/deps/libbytes-ca71357118da0750.rmeta --extern elapsed=/opt/rustwide/target/debug/deps/libelapsed-a27392e24a5dbeaf.rmeta --extern fnv=/opt/rustwide/target/debug/deps/libfnv-df36d14af7528695.rmeta --extern getopts=/opt/rustwide/target/debug/deps/libgetopts-d3241f5558bf3643.rmeta --extern iset=/opt/rustwide/target/debug/deps/libiset-1ee3babe36e5617d.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-48df08eb6f156fab.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-d4c8145f15856044.rmeta --extern number_prefix=/opt/rustwide/target/debug/deps/libnumber_prefix-32485b6a8d4bc2fe.rmeta --extern riscv=/opt/rustwide/target/debug/deps/libriscv-6aefe102d712d0d1.rmeta --extern riscv_emulator=/opt/rustwide/target/debug/deps/libriscv_emulator-2a56d1aae5ea34e2.rmeta --extern risky=/opt/rustwide/target/debug/deps/librisky-7a0c4514fcb691ba.rmeta --extern rustc_hash=/opt/rustwide/target/debug/deps/librustc_hash-1904cd8478c1b0ae.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-24a86d324dae8e11.rmeta --extern termcolor=/opt/rustwide/target/debug/deps/libtermcolor-feb03fc514351f9c.rmeta --cap-lints=warn --crate-version 0.3.7` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "9ec04464f60ae35a81a4f58e2fad19faf5b09ace0075546352693b98e62d0e4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ec04464f60ae35a81a4f58e2fad19faf5b09ace0075546352693b98e62d0e4c", kill_on_drop: false }`
[INFO] [stdout] 9ec04464f60ae35a81a4f58e2fad19faf5b09ace0075546352693b98e62d0e4c
