[INFO] cloning repository https://github.com/chbaker0/build-dep-failure-repro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chbaker0/build-dep-failure-repro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchbaker0%2Fbuild-dep-failure-repro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchbaker0%2Fbuild-dep-failure-repro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 64b2020efdd2381fc777b2e8583ee226870e57f4
[INFO] documenting chbaker0/build-dep-failure-repro against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchbaker0%2Fbuild-dep-failure-repro" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chbaker0/build-dep-failure-repro on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-4/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/chbaker0/build-dep-failure-repro
[INFO] finished tweaking git repo https://github.com/chbaker0/build-dep-failure-repro
[INFO] tweaked toml for git repo https://github.com/chbaker0/build-dep-failure-repro written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/chbaker0/build-dep-failure-repro already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nasm-rs v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6fddc5a4eed00fbdd202f0cb1cee8d1fd01d75e66e0810bce2fe2ec15930e76
[INFO] running `Command { std: "docker" "start" "-a" "a6fddc5a4eed00fbdd202f0cb1cee8d1fd01d75e66e0810bce2fe2ec15930e76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6fddc5a4eed00fbdd202f0cb1cee8d1fd01d75e66e0810bce2fe2ec15930e76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6fddc5a4eed00fbdd202f0cb1cee8d1fd01d75e66e0810bce2fe2ec15930e76", kill_on_drop: false }`
[INFO] [stdout] a6fddc5a4eed00fbdd202f0cb1cee8d1fd01d75e66e0810bce2fe2ec15930e76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d3f0f86e3a10238a1e30ee58690c99d8e90a263c7b99e9766e3becf19164b5f
[INFO] running `Command { std: "docker" "start" "-a" "7d3f0f86e3a10238a1e30ee58690c99d8e90a263c7b99e9766e3becf19164b5f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting build-dep-failure-repro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/main.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn panic(_info: &PanicInfo<'_>) -> ! {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the lang item is first defined in crate `std`.
[INFO] [stdout]    = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-197d933f09d9a590.rlib
[INFO] [stdout]    = note: second definition in the local crate (`build_dep_failure_repro`)
[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 E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `build-dep-failure-repro`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name build_dep_failure_repro src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern arrayvec=/opt/rustwide/target/debug/deps/libarrayvec-77f4ef9a8070a1fd.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "7d3f0f86e3a10238a1e30ee58690c99d8e90a263c7b99e9766e3becf19164b5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d3f0f86e3a10238a1e30ee58690c99d8e90a263c7b99e9766e3becf19164b5f", kill_on_drop: false }`
[INFO] [stdout] 7d3f0f86e3a10238a1e30ee58690c99d8e90a263c7b99e9766e3becf19164b5f
