[INFO] cloning repository https://github.com/9names/longan-nano-examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/9names/longan-nano-examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F9names%2Flongan-nano-examples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F9names%2Flongan-nano-examples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 50ddef3414ea8fcbece2005ed2ca256455f5b87b
[INFO] documenting 9names/longan-nano-examples against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F9names%2Flongan-nano-examples" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/9names/longan-nano-examples on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0/source/.cargo/config
[INFO] started tweaking git repo https://github.com/9names/longan-nano-examples
[INFO] finished tweaking git repo https://github.com/9names/longan-nano-examples
[INFO] tweaked toml for git repo https://github.com/9names/longan-nano-examples written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/9names/longan-nano-examples already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 893220ae0f225c33cfd374ca52a03dff9c155c8335882e5b09a742ae6e6cc207
[INFO] running `Command { std: "docker" "start" "-a" "893220ae0f225c33cfd374ca52a03dff9c155c8335882e5b09a742ae6e6cc207", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "893220ae0f225c33cfd374ca52a03dff9c155c8335882e5b09a742ae6e6cc207", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "893220ae0f225c33cfd374ca52a03dff9c155c8335882e5b09a742ae6e6cc207", kill_on_drop: false }`
[INFO] [stdout] 893220ae0f225c33cfd374ca52a03dff9c155c8335882e5b09a742ae6e6cc207
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3f0051eb0ab5cb4cba1707bdb2c7278c5978bb0c6227e57a4d9e1208c2a2b67
[INFO] running `Command { std: "docker" "start" "-a" "a3f0051eb0ab5cb4cba1707bdb2c7278c5978bb0c6227e57a4d9e1208c2a2b67", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling riscv v0.5.6
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking bit_field v0.9.0
[INFO] [stderr]     Checking nb v0.1.2
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking vcell v0.1.2
[INFO] [stderr]    Compiling gd32vf103xx-hal v0.3.0
[INFO] [stderr]    Compiling riscv-rt v0.6.1
[INFO] [stderr]    Compiling longan-nano v0.1.1 (https://github.com/riscv-rust/longan-nano.git?rev=34c172a720467bc14a1fbef89e1135003a3166e7#34c172a7)
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]    Compiling longan-nano-examples v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking panic-halt v0.2.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling bare-metal v0.2.4
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]     Checking embedded-hal v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]     Checking embedded-graphics v0.6.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking gd32vf103-pac v0.3.0
[INFO] [stderr]    Compiling riscv-rt-macros v0.1.6
[INFO] [stderr]     Checking st7735-lcd v0.7.0
[INFO] [stderr]  Documenting longan-nano-examples v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.85s
[INFO] running `Command { std: "docker" "inspect" "a3f0051eb0ab5cb4cba1707bdb2c7278c5978bb0c6227e57a4d9e1208c2a2b67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3f0051eb0ab5cb4cba1707bdb2c7278c5978bb0c6227e57a4d9e1208c2a2b67", kill_on_drop: false }`
[INFO] [stdout] a3f0051eb0ab5cb4cba1707bdb2c7278c5978bb0c6227e57a4d9e1208c2a2b67