[INFO] cloning repository https://github.com/nakira974/FreeRTOS-rust-motor-control
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nakira974/FreeRTOS-rust-motor-control" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnakira974%2FFreeRTOS-rust-motor-control", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnakira974%2FFreeRTOS-rust-motor-control'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 88e72219742e82e1a9ed786825a39e108651e416
[INFO] documenting nakira974/FreeRTOS-rust-motor-control against try#6ee483316d2e4581572121d60a955affb2032eb3+cargoflags=-Zrustdoc-scrape-examples for scrape-examples
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnakira974%2FFreeRTOS-rust-motor-control" "/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/nakira974/FreeRTOS-rust-motor-control on toolchain 6ee483316d2e4581572121d60a955affb2032eb3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6ee483316d2e4581572121d60a955affb2032eb3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nakira974/FreeRTOS-rust-motor-control
[INFO] finished tweaking git repo https://github.com/nakira974/FreeRTOS-rust-motor-control
[INFO] tweaked toml for git repo https://github.com/nakira974/FreeRTOS-rust-motor-control written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/nakira974/FreeRTOS-rust-motor-control already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6ee483316d2e4581572121d60a955affb2032eb3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+6ee483316d2e4581572121d60a955affb2032eb3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d7b069e25df4b1a9a80307ef8a13bbea953325c8e93a5391d337ed15d0e9a1b
[INFO] running `Command { std: "docker" "start" "-a" "1d7b069e25df4b1a9a80307ef8a13bbea953325c8e93a5391d337ed15d0e9a1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d7b069e25df4b1a9a80307ef8a13bbea953325c8e93a5391d337ed15d0e9a1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d7b069e25df4b1a9a80307ef8a13bbea953325c8e93a5391d337ed15d0e9a1b", kill_on_drop: false }`
[INFO] [stdout] 1d7b069e25df4b1a9a80307ef8a13bbea953325c8e93a5391d337ed15d0e9a1b
[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" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+6ee483316d2e4581572121d60a955affb2032eb3" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json" "-Zrustdoc-scrape-examples", kill_on_drop: false }`
[INFO] [stdout] a961ad66c0a65e9026500ea4d578f81ca8630c7fab093e6b4ed7199b0e52aa48
[INFO] running `Command { std: "docker" "start" "-a" "a961ad66c0a65e9026500ea4d578f81ca8630c7fab093e6b4ed7199b0e52aa48", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling freertos-rust v0.1.2
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking os_str_bytes v6.0.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]     Checking clap_lex v0.2.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling freertos-cargo-build v0.1.1
[INFO] [stderr]    Compiling rust-embemded-system v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `allocator_choice`
[INFO] [stdout]  --> build.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let allocator_choice: String = String::from("heap4.c");
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_allocator_choice`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking libudev v0.3.0
[INFO] [stderr]     Checking clap v3.1.18
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking serialport v4.1.0
[INFO] [stderr]     Scraping rust-embemded-system v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting rust-embemded-system v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.09s
[INFO] running `Command { std: "docker" "inspect" "a961ad66c0a65e9026500ea4d578f81ca8630c7fab093e6b4ed7199b0e52aa48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a961ad66c0a65e9026500ea4d578f81ca8630c7fab093e6b4ed7199b0e52aa48", kill_on_drop: false }`
[INFO] [stdout] a961ad66c0a65e9026500ea4d578f81ca8630c7fab093e6b4ed7199b0e52aa48