[INFO] cloning repository https://github.com/AdemolaSam/rust-block
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AdemolaSam/rust-block" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAdemolaSam%2Frust-block", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAdemolaSam%2Frust-block'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8a23642e8aadfa3a432ddb3c1d2f9f8db88ac51a
[INFO] checking AdemolaSam/rust-block against master#568b11762723b001bfa693d0f21c5dad01d4e813 for pr-149058
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAdemolaSam%2Frust-block" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AdemolaSam/rust-block
[INFO] finished tweaking git repo https://github.com/AdemolaSam/rust-block
[INFO] tweaked toml for git repo https://github.com/AdemolaSam/rust-block written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AdemolaSam/rust-block on toolchain 568b11762723b001bfa693d0f21c5dad01d4e813
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+568b11762723b001bfa693d0f21c5dad01d4e813" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AdemolaSam/rust-block 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" "+568b11762723b001bfa693d0f21c5dad01d4e813" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v1.0.39
[INFO] [stderr]   Downloaded windows-link v0.1.0
[INFO] [stderr]   Downloaded cc v1.2.16
[INFO] [stderr]   Downloaded syn v2.0.99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+568b11762723b001bfa693d0f21c5dad01d4e813" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0144fbf3f3d6a2ce81ae3548bb08397bc9fd22c938c837e7039f0d913f4a7ec2
[INFO] running `Command { std: "docker" "start" "-a" "0144fbf3f3d6a2ce81ae3548bb08397bc9fd22c938c837e7039f0d913f4a7ec2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0144fbf3f3d6a2ce81ae3548bb08397bc9fd22c938c837e7039f0d913f4a7ec2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0144fbf3f3d6a2ce81ae3548bb08397bc9fd22c938c837e7039f0d913f4a7ec2", kill_on_drop: false }`
[INFO] [stdout] 0144fbf3f3d6a2ce81ae3548bb08397bc9fd22c938c837e7039f0d913f4a7ec2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+568b11762723b001bfa693d0f21c5dad01d4e813" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f8136a59cf185a78f193f76f604c0943d80bc1cf0de7f41bffe7b0a460f1248
[INFO] running `Command { std: "docker" "start" "-a" "1f8136a59cf185a78f193f76f604c0943d80bc1cf0de7f41bffe7b0a460f1248", kill_on_drop: false }`
[INFO] [stderr]     Checking iana-time-zone v0.1.61
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking chrono v0.4.40
[INFO] [stderr]     Checking blocks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `data`, `previous_hash`, and `timestamp` are never read
[INFO] [stdout]   --> src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct Block {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 21 |     data: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 22 |     hash: String,
[INFO] [stdout] 23 |     previous_hash: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 24 |     timestamp: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Block` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `data`, `previous_hash`, and `timestamp` are never read
[INFO] [stdout]   --> src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct Block {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 21 |     data: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 22 |     hash: String,
[INFO] [stdout] 23 |     previous_hash: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 24 |     timestamp: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Block` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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 2.12s
[INFO] running `Command { std: "docker" "inspect" "1f8136a59cf185a78f193f76f604c0943d80bc1cf0de7f41bffe7b0a460f1248", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f8136a59cf185a78f193f76f604c0943d80bc1cf0de7f41bffe7b0a460f1248", kill_on_drop: false }`
[INFO] [stdout] 1f8136a59cf185a78f193f76f604c0943d80bc1cf0de7f41bffe7b0a460f1248
