[INFO] cloning repository https://github.com/muchai254/CoinSmith-SummerOfBitcoin-Challenge-2026
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/muchai254/CoinSmith-SummerOfBitcoin-Challenge-2026" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuchai254%2FCoinSmith-SummerOfBitcoin-Challenge-2026", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuchai254%2FCoinSmith-SummerOfBitcoin-Challenge-2026'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d2fa956e3a3ce556d732d66bb62aed9ec97c9172
[INFO] checking muchai254/CoinSmith-SummerOfBitcoin-Challenge-2026 against 8773d2c75a8e90130dcce745a7ec4e66bb9963db+rustflags=-Aunfulfilled-lint-expectations for pr-163637
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuchai254%2FCoinSmith-SummerOfBitcoin-Challenge-2026" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/muchai254/CoinSmith-SummerOfBitcoin-Challenge-2026
[INFO] finished tweaking git repo https://github.com/muchai254/CoinSmith-SummerOfBitcoin-Challenge-2026
[INFO] tweaked toml for git repo https://github.com/muchai254/CoinSmith-SummerOfBitcoin-Challenge-2026 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/muchai254/CoinSmith-SummerOfBitcoin-Challenge-2026 on toolchain 8773d2c75a8e90130dcce745a7ec4e66bb9963db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8773d2c75a8e90130dcce745a7ec4e66bb9963db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/muchai254/CoinSmith-SummerOfBitcoin-Challenge-2026 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" "+8773d2c75a8e90130dcce745a7ec4e66bb9963db" "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-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 6306f97eb8792e7deeac719d8015399128ca3b5bc59ae3950ab2ec3395a2a1fc
[INFO] running `Command { std: "docker" "start" "6306f97eb8792e7deeac719d8015399128ca3b5bc59ae3950ab2ec3395a2a1fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6306f97eb8792e7deeac719d8015399128ca3b5bc59ae3950ab2ec3395a2a1fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6306f97eb8792e7deeac719d8015399128ca3b5bc59ae3950ab2ec3395a2a1fc" "/opt/rustwide/cargo-home/bin/cargo" "+8773d2c75a8e90130dcce745a7ec4e66bb9963db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6306f97eb8792e7deeac719d8015399128ca3b5bc59ae3950ab2ec3395a2a1fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Aunfulfilled-lint-expectations" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6306f97eb8792e7deeac719d8015399128ca3b5bc59ae3950ab2ec3395a2a1fc" "/opt/rustwide/cargo-home/bin/cargo" "+8773d2c75a8e90130dcce745a7ec4e66bb9963db" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking coin-smith v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `parse_and_validate` is never used
[INFO] [stdout]    --> src/fixture.rs:140:8
[INFO] [stdout]     |
[INFO] [stdout] 140 | pub fn parse_and_validate(json: &str) -> Result<Fixture, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.93s
[INFO] running `Command { std: "docker" "inspect" "6306f97eb8792e7deeac719d8015399128ca3b5bc59ae3950ab2ec3395a2a1fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6306f97eb8792e7deeac719d8015399128ca3b5bc59ae3950ab2ec3395a2a1fc", kill_on_drop: false }`
[INFO] [stdout] 6306f97eb8792e7deeac719d8015399128ca3b5bc59ae3950ab2ec3395a2a1fc
