[INFO] cloning repository https://github.com/HawkeWei/baby-bitcoin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HawkeWei/baby-bitcoin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHawkeWei%2Fbaby-bitcoin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHawkeWei%2Fbaby-bitcoin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 92e242503018a807e672ef0b2b3b82bbb517ff5d
[INFO] checking HawkeWei/baby-bitcoin against master#00bfd6b2734d9c28a147bf237490995731781fdd for pr-117984
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHawkeWei%2Fbaby-bitcoin" "/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/HawkeWei/baby-bitcoin on toolchain 00bfd6b2734d9c28a147bf237490995731781fdd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/HawkeWei/baby-bitcoin
[INFO] finished tweaking git repo https://github.com/HawkeWei/baby-bitcoin
[INFO] tweaked toml for git repo https://github.com/HawkeWei/baby-bitcoin written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/HawkeWei/baby-bitcoin 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" "+00bfd6b2734d9c28a147bf237490995731781fdd" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2343922e19f6608e6ebdd92616324080029ba3a60fa82620cff3639e7672e0f2
[INFO] running `Command { std: "docker" "start" "-a" "2343922e19f6608e6ebdd92616324080029ba3a60fa82620cff3639e7672e0f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2343922e19f6608e6ebdd92616324080029ba3a60fa82620cff3639e7672e0f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2343922e19f6608e6ebdd92616324080029ba3a60fa82620cff3639e7672e0f2", kill_on_drop: false }`
[INFO] [stdout] 2343922e19f6608e6ebdd92616324080029ba3a60fa82620cff3639e7672e0f2
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a657af6a2e62626276aef3d9ea706e61ab3458df241a6c4d22972fa32ab41b36
[INFO] running `Command { std: "docker" "start" "-a" "a657af6a2e62626276aef3d9ea706e61ab3458df241a6c4d22972fa32ab41b36", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling serde v1.0.190
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking tracing-log v0.1.4
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking iana-time-zone v0.1.58
[INFO] [stderr]     Checking smallvec v1.11.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]    Compiling serde_derive v1.0.190
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking bitcoin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/v2/block.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |         /// 新增挖矿出块
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 82 |         mining::mining(block, difficult)
[INFO] [stdout]    |         -------------------------------- rustdoc does not generate documentation for expressions
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]  --> src/v2/mining.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     /// 实现挖矿逻辑，Todo
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 9 |     Ok(block)
[INFO] [stdout]   |     --------- rustdoc does not generate documentation for expressions
[INFO] [stdout]   |
[INFO] [stdout]   = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/v2/block.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |         /// 新增挖矿出块
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 82 |         mining::mining(block, difficult)
[INFO] [stdout]    |         -------------------------------- rustdoc does not generate documentation for expressions
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]  --> src/v2/mining.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     /// 实现挖矿逻辑，Todo
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 9 |     Ok(block)
[INFO] [stdout]   |     --------- rustdoc does not generate documentation for expressions
[INFO] [stdout]   |
[INFO] [stdout]   = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `difficult`
[INFO] [stdout]  --> src/v2/mining.rs:6:29
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn mining(block: Block, difficult: u64) -> Result<Block> {
[INFO] [stdout]   |                             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_difficult`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `v1_test` is never used
[INFO] [stdout]  --> src/main.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn v1_test() {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `difficult`
[INFO] [stdout]  --> src/v2/mining.rs:6:29
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn mining(block: Block, difficult: u64) -> Result<Block> {
[INFO] [stdout]   |                             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_difficult`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `v1_test` is never used
[INFO] [stdout]  --> src/main.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn v1_test() {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.40s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "a657af6a2e62626276aef3d9ea706e61ab3458df241a6c4d22972fa32ab41b36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a657af6a2e62626276aef3d9ea706e61ab3458df241a6c4d22972fa32ab41b36", kill_on_drop: false }`
[INFO] [stdout] a657af6a2e62626276aef3d9ea706e61ab3458df241a6c4d22972fa32ab41b36