[INFO] cloning repository https://github.com/Alekage/Ground-up-Blockchain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Alekage/Ground-up-Blockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlekage%2FGround-up-Blockchain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlekage%2FGround-up-Blockchain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 46294904040460054af97012ba647ad3992c6b53
[INFO] checking Alekage/Ground-up-Blockchain/46294904040460054af97012ba647ad3992c6b53 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlekage%2FGround-up-Blockchain" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Alekage/Ground-up-Blockchain on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Alekage/Ground-up-Blockchain
[INFO] finished tweaking git repo https://github.com/Alekage/Ground-up-Blockchain
[INFO] tweaked toml for git repo https://github.com/Alekage/Ground-up-Blockchain written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Alekage/Ground-up-Blockchain already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f56d0fe309ed6cbd408f97fe20c346c88369f3824f082bc08915fa0ffcf4ca9
[INFO] running `Command { std: "docker" "start" "-a" "2f56d0fe309ed6cbd408f97fe20c346c88369f3824f082bc08915fa0ffcf4ca9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f56d0fe309ed6cbd408f97fe20c346c88369f3824f082bc08915fa0ffcf4ca9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f56d0fe309ed6cbd408f97fe20c346c88369f3824f082bc08915fa0ffcf4ca9", kill_on_drop: false }`
[INFO] [stdout] 2f56d0fe309ed6cbd408f97fe20c346c88369f3824f082bc08915fa0ffcf4ca9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0e79f34cfef9ff492d18e3d661cbc54c7a708f2ed0b1e573f41318b3d8a45db
[INFO] running `Command { std: "docker" "start" "-a" "d0e79f34cfef9ff492d18e3d661cbc54c7a708f2ed0b1e573f41318b3d8a45db", kill_on_drop: false }`
[INFO] [stderr]     Checking ground-up-blockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::hash`
[INFO] [stdout]  --> src/blockchain/hearder_chain.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::hash;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `next_state` and `human_name` are never used
[INFO] [stdout]   --> src/state_machine/mod.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub trait StateMachine {
[INFO] [stdout]    |           ------------ associated functions in this trait
[INFO] [stdout] ...
[INFO] [stdout] 11 |     fn next_state(starting_state: &Self::State, transition: &Self::Transition) -> Self::State;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 12 |
[INFO] [stdout] 13 |     fn human_name() -> String {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `human_name` is never used
[INFO] [stdout]   --> src/state_machine/mod.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub trait StateMachine {
[INFO] [stdout]    |           ------------ associated function in this trait
[INFO] [stdout] ...
[INFO] [stdout] 13 |     fn human_name() -> String {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "d0e79f34cfef9ff492d18e3d661cbc54c7a708f2ed0b1e573f41318b3d8a45db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0e79f34cfef9ff492d18e3d661cbc54c7a708f2ed0b1e573f41318b3d8a45db", kill_on_drop: false }`
[INFO] [stdout] d0e79f34cfef9ff492d18e3d661cbc54c7a708f2ed0b1e573f41318b3d8a45db