[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 1.47.0 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkarthickai%2Frustboot" "/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/karthickai/rustboot on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-10/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-10/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" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: two git dependencies found for `https://github.com/stm32-rs/stm32f7xx-hal` where one uses `branch = "master"` and the other doesn't; this will break in a future version of Cargo, so please ensure the dependency forms are consistent
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da1b765602f65d9a08f141c4b223d21be034192f980d9670004dc9f156cdcaca
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "da1b765602f65d9a08f141c4b223d21be034192f980d9670004dc9f156cdcaca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da1b765602f65d9a08f141c4b223d21be034192f980d9670004dc9f156cdcaca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da1b765602f65d9a08f141c4b223d21be034192f980d9670004dc9f156cdcaca", kill_on_drop: false }`
[INFO] [stdout] da1b765602f65d9a08f141c4b223d21be034192f980d9670004dc9f156cdcaca
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d77b6edd1ea68894bec3c1ecda241b4915df87283912963bdc14adbb69eb7820
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d77b6edd1ea68894bec3c1ecda241b4915df87283912963bdc14adbb69eb7820", kill_on_drop: false }`
[INFO] [stderr] warning: two git dependencies found for `https://github.com/stm32-rs/stm32f7xx-hal` where one uses `branch = "master"` and the other doesn't; this will break in a future version of Cargo, so please ensure the dependency forms are consistent
[INFO] [stderr] warning: two git dependencies found for `https://github.com/stm32-rs/stm32f7xx-hal` where one uses `branch = "master"` and the other doesn't; this will break in a future version of Cargo, so please ensure the dependency forms are consistent
[INFO] [stderr] warning: two git dependencies found for `https://github.com/stm32-rs/stm32f7xx-hal` where one uses `branch = "master"` and the other doesn't; this will break in a future version of Cargo, so please ensure the dependency forms are consistent
[INFO] [stderr] warning: two git dependencies found for `https://github.com/stm32-rs/stm32f7xx-hal` where one uses `branch = "master"` and the other doesn't; this will break in a future version of Cargo, so please ensure the dependency forms are consistent
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling cortex-m v0.6.2
[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 bitflags v1.2.1
[INFO] [stderr]     Checking nb v0.1.2
[INFO] [stderr]     Checking managed v0.7.1
[INFO] [stderr]     Checking micromath v1.0.0
[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]     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?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` (which `rustboot` depends on): `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-cf482e4f96cba0d0.rmeta
[INFO] [stdout]   = note: second definition in `panic_itm` loaded from /opt/rustwide/target/debug/deps/libpanic_itm-ef2f26e8787ffb28.rmeta
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `rustboot`.
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[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-6d8570a6abec246a.rmeta --extern cortex_m_rt=/opt/rustwide/target/debug/deps/libcortex_m_rt-f3796dccc4cedf0e.rmeta --extern panic_halt=/opt/rustwide/target/debug/deps/libpanic_halt-cf482e4f96cba0d0.rmeta --extern panic_itm=/opt/rustwide/target/debug/deps/libpanic_itm-ef2f26e8787ffb28.rmeta --extern stm32_eth=/opt/rustwide/target/debug/deps/libstm32_eth-221c102d5495f430.rmeta --extern stm32f7xx_hal=/opt/rustwide/target/debug/deps/libstm32f7xx_hal-eb0da0a2cd96366d.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "d77b6edd1ea68894bec3c1ecda241b4915df87283912963bdc14adbb69eb7820", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d77b6edd1ea68894bec3c1ecda241b4915df87283912963bdc14adbb69eb7820", kill_on_drop: false }`
[INFO] [stdout] d77b6edd1ea68894bec3c1ecda241b4915df87283912963bdc14adbb69eb7820
