[INFO] updating cached repository https://github.com/Kevingislason/rust_bitcoin_hardware_wallet_demos
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b3f36a6b856cce40e99f81289c96a8bca040a3cb
[INFO] documenting Kevingislason/rust_bitcoin_hardware_wallet_demos against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKevingislason%2Frust_bitcoin_hardware_wallet_demos" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kevingislason/rust_bitcoin_hardware_wallet_demos on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Kevingislason/rust_bitcoin_hardware_wallet_demos
[INFO] finished tweaking git repo https://github.com/Kevingislason/rust_bitcoin_hardware_wallet_demos
[INFO] tweaked toml for git repo https://github.com/Kevingislason/rust_bitcoin_hardware_wallet_demos written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6c8d1ac07fc972f7f883c3b366ff8ec830d7e5ae738dd2e2e9ac6a2a0854675
[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" "f6c8d1ac07fc972f7f883c3b366ff8ec830d7e5ae738dd2e2e9ac6a2a0854675", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6c8d1ac07fc972f7f883c3b366ff8ec830d7e5ae738dd2e2e9ac6a2a0854675", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6c8d1ac07fc972f7f883c3b366ff8ec830d7e5ae738dd2e2e9ac6a2a0854675", kill_on_drop: false }`
[INFO] [stdout] f6c8d1ac07fc972f7f883c3b366ff8ec830d7e5ae738dd2e2e9ac6a2a0854675
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1c71e331663bbabe81167b376ae73e14788bfd9769080f26d86d8abf445642a7
[INFO] running `Command { std: "docker" "start" "-a" "1c71e331663bbabe81167b376ae73e14788bfd9769080f26d86d8abf445642a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling cc v1.0.26
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking bech32 v0.7.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking bitcoin_hashes v0.7.6
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking auto_ops v0.1.0
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking genio v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]     Checking bigint v4.4.3
[INFO] [stderr]    Compiling secp256k1 v0.12.2
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking ripemd160 v0.8.0
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking bitcoin v0.19.2
[INFO] [stderr]  Documenting rust_bitcoin_hardware_wallet_demos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `U256_from_hex_str` should have a snake case name
[INFO] [stdout]    --> src/helpers.rs:170:8
[INFO] [stdout]     |
[INFO] [stdout] 170 | pub fn U256_from_hex_str(hex_str: &str) -> U256 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `u256_from_hex_str`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.68s
[INFO] running `Command { std: "docker" "inspect" "1c71e331663bbabe81167b376ae73e14788bfd9769080f26d86d8abf445642a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c71e331663bbabe81167b376ae73e14788bfd9769080f26d86d8abf445642a7", kill_on_drop: false }`
[INFO] [stdout] 1c71e331663bbabe81167b376ae73e14788bfd9769080f26d86d8abf445642a7