[INFO] cloning repository https://github.com/ltfschoen/RustTest
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ltfschoen/RustTest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fltfschoen%2FRustTest", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fltfschoen%2FRustTest'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0ba70ad4db9be74c8d6705eff2fc24230df92874
[INFO] documenting ltfschoen/RustTest 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%2Fltfschoen%2FRustTest" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ltfschoen/RustTest 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 }`
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[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 }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] b8ceedcdd20048f439df6202d217a19c418f00e29eda7971dda9b4e0918a72e2
[INFO] running `Command { std: "docker" "start" "-a" "b8ceedcdd20048f439df6202d217a19c418f00e29eda7971dda9b4e0918a72e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8ceedcdd20048f439df6202d217a19c418f00e29eda7971dda9b4e0918a72e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8ceedcdd20048f439df6202d217a19c418f00e29eda7971dda9b4e0918a72e2", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 62e4f87a456f538b176797c334b6a50e827ab05ceba94195ed42c4ef83ff17bc
[INFO] running `Command { std: "docker" "start" "-a" "62e4f87a456f538b176797c334b6a50e827ab05ceba94195ed42c4ef83ff17bc", kill_on_drop: false }`
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[INFO] [stderr]    Compiling clang v0.0.2 (/opt/rustwide/workdir/projects/clang)
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[INFO] [stderr]  Documenting datetime v0.1.0 (/opt/rustwide/workdir/projects/datetime)
[INFO] [stderr]  Documenting guessing_game v0.1.0 (/opt/rustwide/workdir/projects/guessing_game)
[INFO] [stderr]  Documenting clang v0.0.2 (/opt/rustwide/workdir/projects/clang)
[INFO] [stderr]  Documenting hashing v0.1.0 (/opt/rustwide/workdir/projects/hashing)
[INFO] [stderr]  Documenting shapes v0.1.0 (/opt/rustwide/workdir/projects/shapes)
[INFO] [stderr]  Documenting find_word v0.1.0 (/opt/rustwide/workdir/projects/find_word)
[INFO] [stderr]  Documenting closures v0.1.0 (/opt/rustwide/workdir/projects/closures)
[INFO] [stderr]  Documenting lifetimes v0.1.0 (/opt/rustwide/workdir/projects/lifetimes)
[INFO] [stderr]  Documenting traits_fly v0.1.0 (/opt/rustwide/workdir/projects/traits_fly)
[INFO] [stderr]  Documenting communicator v0.1.0 (/opt/rustwide/workdir/projects/communicator)
[INFO] [stderr]  Documenting generics v0.1.0 (/opt/rustwide/workdir/projects/generics)
[INFO] [stderr]  Documenting iterators v0.1.0 (/opt/rustwide/workdir/projects/iterators)
[INFO] [stderr]  Documenting traits v0.1.0 (/opt/rustwide/workdir/projects/traits)
[INFO] [stderr]  Documenting languages v0.0.1 (/opt/rustwide/workdir/projects/languages)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> projects/languages/src/lib.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | #![feature(test)]
[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 `languages`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name languages projects/languages/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=22f8ffc069544a4d -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.0.1` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "62e4f87a456f538b176797c334b6a50e827ab05ceba94195ed42c4ef83ff17bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62e4f87a456f538b176797c334b6a50e827ab05ceba94195ed42c4ef83ff17bc", kill_on_drop: false }`
[INFO] [stdout] 62e4f87a456f538b176797c334b6a50e827ab05ceba94195ed42c4ef83ff17bc
