[INFO] cloning repository https://github.com/karthickai/rustboot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/karthickai/rustboot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkarthickai%2Frustboot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkarthickai%2Frustboot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 248559af81ee23201fc31a902450acf2a844d3ba
[INFO] documenting karthickai/rustboot 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%2Fkarthickai%2Frustboot" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/karthickai/rustboot 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-13/source/.cargo/config
[INFO] started tweaking git repo https://github.com/karthickai/rustboot
[INFO] finished tweaking git repo https://github.com/karthickai/rustboot
[INFO] tweaked toml for git repo https://github.com/karthickai/rustboot written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/karthickai/rustboot 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]     Updating git repository `https://github.com/dtjones190/stm32-eth.git`
[INFO] [stderr]     Updating git repository `https://github.com/stm32-rs/stm32f7xx-hal.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cortex-m-rt v0.6.12
[INFO] [stderr]   Downloaded panic-itm v0.4.1
[INFO] [stderr]   Downloaded managed v0.7.1
[INFO] [stderr]   Downloaded aligned v0.3.2
[INFO] [stderr]   Downloaded micromath v1.0.0
[INFO] [stderr]   Downloaded cortex-m v0.6.2
[INFO] [stderr]   Downloaded smoltcp v0.6.0
[INFO] [stderr]   Downloaded stm32f7 v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 5d1d9d782d4122866a91d1e750d38c1db36114f16d9f0accc19b3bdfdc77db4a
[INFO] running `Command { std: "docker" "start" "-a" "5d1d9d782d4122866a91d1e750d38c1db36114f16d9f0accc19b3bdfdc77db4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d1d9d782d4122866a91d1e750d38c1db36114f16d9f0accc19b3bdfdc77db4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d1d9d782d4122866a91d1e750d38c1db36114f16d9f0accc19b3bdfdc77db4a", kill_on_drop: false }`
[INFO] [stdout] 5d1d9d782d4122866a91d1e750d38c1db36114f16d9f0accc19b3bdfdc77db4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 20adc8f3905bd485a52d53e7e06512745a715e30259b9b688dcd9529bfd8c6ba
[INFO] running `Command { std: "docker" "start" "-a" "20adc8f3905bd485a52d53e7e06512745a715e30259b9b688dcd9529bfd8c6ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling cortex-m v0.6.2
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling cortex-m-rt v0.6.12
[INFO] [stderr]    Compiling stm32f7 v0.9.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking nb v0.1.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking micromath v1.0.0
[INFO] [stderr]     Checking managed v0.7.1
[INFO] [stderr]     Checking panic-halt v0.2.0
[INFO] [stderr]     Checking as-slice v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.3
[INFO] [stderr]     Checking smoltcp v0.6.0
[INFO] [stderr]     Checking aligned v0.3.2
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking panic-itm v0.4.1
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]     Checking stm32f7xx-hal v0.1.0 (https://github.com/stm32-rs/stm32f7xx-hal.git#a66f6d2b)
[INFO] [stderr]     Checking stm32f7xx-hal v0.1.0 (https://github.com/stm32-rs/stm32f7xx-hal.git?branch=master#a66f6d2b)
[INFO] [stderr]     Checking stm32-eth v0.1.2 (https://github.com/dtjones190/stm32-eth.git?branch=master#96c14a66)
[INFO] [stderr]  Documenting rustboot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: duplicate lang item in crate `panic_itm`: `panic_impl`.
[INFO] [stdout]   |
[INFO] [stdout]   = note: the lang item is first defined in crate `panic_halt` (which `rustboot` depends on)
[INFO] [stdout]   = note: first definition in `panic_halt` loaded from /opt/rustwide/target/debug/deps/libpanic_halt-e6a12aff4a67426a.rmeta
[INFO] [stdout]   = note: second definition in `panic_itm` loaded from /opt/rustwide/target/debug/deps/libpanic_itm-de543353db38a5c2.rmeta
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `rustboot`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name rustboot 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 cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-1000c37357d7be03.rmeta --extern cortex_m_rt=/opt/rustwide/target/debug/deps/libcortex_m_rt-567603becde7ffb7.rmeta --extern panic_halt=/opt/rustwide/target/debug/deps/libpanic_halt-e6a12aff4a67426a.rmeta --extern panic_itm=/opt/rustwide/target/debug/deps/libpanic_itm-de543353db38a5c2.rmeta --extern stm32_eth=/opt/rustwide/target/debug/deps/libstm32_eth-a1ab2d3144e705e4.rmeta --extern stm32f7xx_hal=/opt/rustwide/target/debug/deps/libstm32f7xx_hal-780958ed7718e3fc.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "20adc8f3905bd485a52d53e7e06512745a715e30259b9b688dcd9529bfd8c6ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20adc8f3905bd485a52d53e7e06512745a715e30259b9b688dcd9529bfd8c6ba", kill_on_drop: false }`
[INFO] [stdout] 20adc8f3905bd485a52d53e7e06512745a715e30259b9b688dcd9529bfd8c6ba
