[INFO] cloning repository https://github.com/phpgoc/single_blockchain_for_learn [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/phpgoc/single_blockchain_for_learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphpgoc%2Fsingle_blockchain_for_learn", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphpgoc%2Fsingle_blockchain_for_learn'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d59ef8b5d265085c1fa7ec3e252b149e19dbd9e7 [INFO] documenting phpgoc/single_blockchain_for_learn against beta-2022-05-20 for beta-1.62-rustdoc-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphpgoc%2Fsingle_blockchain_for_learn" "/workspace/builds/worker-26/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-26/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/phpgoc/single_blockchain_for_learn on toolchain beta-2022-05-20 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/phpgoc/single_blockchain_for_learn [INFO] finished tweaking git repo https://github.com/phpgoc/single_blockchain_for_learn [INFO] tweaked toml for git repo https://github.com/phpgoc/single_blockchain_for_learn written to /workspace/builds/worker-26/source/Cargo.toml [INFO] crate git repo https://github.com/phpgoc/single_blockchain_for_learn already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d59a7694c618c362182e182a0ebb59487c0996673f94dda44fe878809305da43 [INFO] running `Command { std: "docker" "start" "-a" "d59a7694c618c362182e182a0ebb59487c0996673f94dda44fe878809305da43", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d59a7694c618c362182e182a0ebb59487c0996673f94dda44fe878809305da43", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d59a7694c618c362182e182a0ebb59487c0996673f94dda44fe878809305da43", kill_on_drop: false }` [INFO] [stdout] d59a7694c618c362182e182a0ebb59487c0996673f94dda44fe878809305da43 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 92d2f9cee0b965f5d5744e67be7c9deefe7a96d3fac7b5ee28bb1cd466cb49c2 [INFO] running `Command { std: "docker" "start" "-a" "92d2f9cee0b965f5d5744e67be7c9deefe7a96d3fac7b5ee28bb1cd466cb49c2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking block-buffer v0.9.0 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking sha2 v0.9.5 [INFO] [stderr] Checking uint v0.9.1 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking threadpool v1.8.1 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Documenting single_blockchain_for_learn v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking single_blockchain_for_learn v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `pre_hash` [INFO] [stdout] --> src/structs/mod.rs:7:2 [INFO] [stdout] | [INFO] [stdout] 7 | pub(crate) pre_hash: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Block` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/structs/mod.rs:5:10 [INFO] [stdout] | [INFO] [stdout] 5 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `nonce` [INFO] [stdout] --> src/structs/mod.rs:8:2 [INFO] [stdout] | [INFO] [stdout] 8 | pub(crate) nonce: usize, [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] --> src/structs/mod.rs:5:10 [INFO] [stdout] | [INFO] [stdout] 5 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `data` [INFO] [stdout] --> src/structs/mod.rs:9:2 [INFO] [stdout] | [INFO] [stdout] 9 | pub(crate) data: 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] --> src/structs/mod.rs:5:10 [INFO] [stdout] | [INFO] [stdout] 5 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `hash` [INFO] [stdout] --> src/structs/mod.rs:10:2 [INFO] [stdout] | [INFO] [stdout] 10 | pub(crate) hash: 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] --> src/structs/mod.rs:5:10 [INFO] [stdout] | [INFO] [stdout] 5 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `difficulty` [INFO] [stdout] --> src/structs/mod.rs:11:2 [INFO] [stdout] | [INFO] [stdout] 11 | pub(crate) difficulty: usize [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] --> src/structs/mod.rs:5:10 [INFO] [stdout] | [INFO] [stdout] 5 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.68s [INFO] running `Command { std: "docker" "inspect" "92d2f9cee0b965f5d5744e67be7c9deefe7a96d3fac7b5ee28bb1cd466cb49c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "92d2f9cee0b965f5d5744e67be7c9deefe7a96d3fac7b5ee28bb1cd466cb49c2", kill_on_drop: false }` [INFO] [stdout] 92d2f9cee0b965f5d5744e67be7c9deefe7a96d3fac7b5ee28bb1cd466cb49c2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }` [INFO] [stdout] dd98f9c2c07d12f467eff02c9c74208e467ed6c9f5d35ab5c0a24d500008d287 [INFO] running `Command { std: "docker" "start" "-a" "dd98f9c2c07d12f467eff02c9c74208e467ed6c9f5d35ab5c0a24d500008d287", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling typenum v1.13.0 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking hex v0.4.3 [INFO] [stderr] Checking opaque-debug v0.3.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking cpufeatures v0.1.5 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Checking uint v0.9.1 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking threadpool v1.8.1 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking block-buffer v0.9.0 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking sha2 v0.9.5 [INFO] [stderr] Documenting single_blockchain_for_learn v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.72s [INFO] running `Command { std: "docker" "inspect" "dd98f9c2c07d12f467eff02c9c74208e467ed6c9f5d35ab5c0a24d500008d287", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dd98f9c2c07d12f467eff02c9c74208e467ed6c9f5d35ab5c0a24d500008d287", kill_on_drop: false }` [INFO] [stdout] dd98f9c2c07d12f467eff02c9c74208e467ed6c9f5d35ab5c0a24d500008d287