[INFO] cloning repository https://github.com/NoAmpersand/rust-blockchain-practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NoAmpersand/rust-blockchain-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNoAmpersand%2Frust-blockchain-practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNoAmpersand%2Frust-blockchain-practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 99bd4dbeb6f6edcf3ea46c2ba6925734497ef56f
[INFO] documenting NoAmpersand/rust-blockchain-practice against 1.75.0 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNoAmpersand%2Frust-blockchain-practice" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NoAmpersand/rust-blockchain-practice on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NoAmpersand/rust-blockchain-practice
[INFO] finished tweaking git repo https://github.com/NoAmpersand/rust-blockchain-practice
[INFO] tweaked toml for git repo https://github.com/NoAmpersand/rust-blockchain-practice written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/NoAmpersand/rust-blockchain-practice 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-std-resolver v0.20.4
[INFO] [stderr]   Downloaded trust-dns-proto v0.20.4
[INFO] [stderr]   Downloaded trust-dns-resolver v0.20.4
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be5c94e27487a9401dfbef9c023ec1fd12560145ba1343d1818c224dce3217df
[INFO] running `Command { std: "docker" "start" "-a" "be5c94e27487a9401dfbef9c023ec1fd12560145ba1343d1818c224dce3217df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be5c94e27487a9401dfbef9c023ec1fd12560145ba1343d1818c224dce3217df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be5c94e27487a9401dfbef9c023ec1fd12560145ba1343d1818c224dce3217df", kill_on_drop: false }`
[INFO] [stdout] be5c94e27487a9401dfbef9c023ec1fd12560145ba1343d1818c224dce3217df
[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=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87a131233765ddde950350149f8a7dd8ee94b2ad5df49e23e092cca6fca4263b
[INFO] running `Command { std: "docker" "start" "-a" "87a131233765ddde950350149f8a7dd8ee94b2ad5df49e23e092cca6fca4263b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.60
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling log v0.4.19
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]    Compiling tempfile v3.6.0
[INFO] [stderr]    Compiling rustix v0.37.20
[INFO] [stderr]     Checking value-bag v1.4.0
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling bytes v1.4.0
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]    Compiling serde v1.0.164
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking data-encoding v2.4.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.30
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking hmac v0.8.1
[INFO] [stderr]     Checking ed25519 v1.5.3
[INFO] [stderr]     Checking libsecp256k1-core v0.2.2
[INFO] [stderr]     Checking asn1_der v0.7.6
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]     Checking hmac-drbg v0.3.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking parking v2.1.0
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking async-lock v2.7.0
[INFO] [stderr]     Checking url v2.4.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling which v4.4.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]     Checking concurrent-queue v2.2.0
[INFO] [stderr]    Compiling libsecp256k1-gen-ecmult v0.2.1
[INFO] [stderr]    Compiling libsecp256k1-gen-genmult v0.2.1
[INFO] [stderr]    Compiling prost-build v0.8.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.87
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]     Checking ipnet v2.7.2
[INFO] [stderr]    Compiling bumpalo v3.13.0
[INFO] [stderr]     Checking async-task v4.4.0
[INFO] [stderr]    Compiling libz-sys v1.1.9
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking async-channel v1.8.0
[INFO] [stderr]     Checking atomic-waker v1.1.1
[INFO] [stderr]     Checking async-executor v1.5.1
[INFO] [stderr]    Compiling wasm-bindgen v0.2.87
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]    Compiling libsecp256k1 v0.5.0
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking blocking v1.3.1
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stderr]     Checking ahash v0.7.6
[INFO] [stderr]    Compiling tokio v1.28.2
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]     Checking flate2 v1.0.26
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking uint v0.9.5
[INFO] [stderr]     Checking salsa20 v0.8.1
[INFO] [stderr]     Checking quicksink v0.1.2
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking cuckoofilter v0.5.0
[INFO] [stderr]     Checking if-addrs v0.6.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking atomic v0.5.3
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking lru v0.6.6
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking chrono v0.4.26
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking webpki-roots v0.21.1
[INFO] [stderr]     Checking async-global-executor v2.3.1
[INFO] [stderr]     Checking if-watch v0.2.2
[INFO] [stderr]     Checking async-std v1.12.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.87
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking futures-rustls v0.21.1
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling serde_derive v1.0.164
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling pin-project-internal v1.1.0
[INFO] [stderr]    Compiling async-trait v0.1.68
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.87
[INFO] [stderr]    Compiling prost-derive v0.8.0
[INFO] [stderr]    Compiling multihash-derive v0.7.2
[INFO] [stderr]    Compiling enum-as-inner v0.3.4
[INFO] [stderr]    Compiling minicbor-derive v0.6.4
[INFO] [stderr]    Compiling libp2p-swarm-derive v0.24.0
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking curve25519-dalek v3.2.1
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.87
[INFO] [stderr]     Checking pin-project v1.1.0
[INFO] [stderr]     Checking x25519-dalek v1.2.0
[INFO] [stderr]     Checking thiserror v1.0.40
[INFO] [stderr]    Compiling pest v2.6.0
[INFO] [stderr]     Checking pin-project v0.4.30
[INFO] [stderr]     Checking minicbor v0.8.1
[INFO] [stderr]    Compiling prost v0.8.0
[INFO] [stderr]    Compiling prost-types v0.8.0
[INFO] [stderr]     Checking js-sys v0.3.64
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling snow v0.8.0
[INFO] [stderr]    Compiling libp2p-core v0.29.0
[INFO] [stderr]    Compiling libp2p-gossipsub v0.32.0
[INFO] [stderr]    Compiling libp2p-relay v0.3.0
[INFO] [stderr]    Compiling libp2p-noise v0.32.0
[INFO] [stderr]    Compiling libp2p-plaintext v0.29.0
[INFO] [stderr]    Compiling libp2p-identify v0.30.0
[INFO] [stderr]    Compiling libp2p-kad v0.31.0
[INFO] [stderr]    Compiling libp2p-floodsub v0.30.0
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking asynchronous-codec v0.6.1
[INFO] [stderr]     Checking trust-dns-proto v0.20.4
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking unsigned-varint v0.7.1
[INFO] [stderr]     Checking rw-stream-sink v0.2.1
[INFO] [stderr]     Checking wasm-timer v0.2.5
[INFO] [stderr]     Checking soketto v0.4.2
[INFO] [stderr]     Checking yamux v0.9.0
[INFO] [stderr]     Checking libp2p-pnet v0.21.0
[INFO] [stderr]     Checking multihash v0.14.0
[INFO] [stderr]     Checking multistream-select v0.10.4
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.37
[INFO] [stderr]     Checking trust-dns-resolver v0.20.4
[INFO] [stderr]     Checking async-std-resolver v0.20.4
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking multiaddr v0.13.0
[INFO] [stderr]     Checking serde_json v1.0.97
[INFO] [stderr]     Checking libp2p-swarm v0.30.0
[INFO] [stderr]     Checking libp2p-websocket v0.30.0
[INFO] [stderr]     Checking libp2p-dns v0.29.0
[INFO] [stderr]     Checking libp2p-tcp v0.29.0
[INFO] [stderr]     Checking libp2p-yamux v0.33.0
[INFO] [stderr]     Checking libp2p-uds v0.29.0
[INFO] [stderr]     Checking libp2p-mplex v0.29.0
[INFO] [stderr]     Checking libp2p-wasm-ext v0.29.0
[INFO] [stderr]     Checking libp2p-deflate v0.29.0
[INFO] [stderr]     Checking libp2p-ping v0.30.0
[INFO] [stderr]     Checking libp2p-request-response v0.12.0
[INFO] [stderr]     Checking libp2p-mdns v0.31.0
[INFO] [stderr]     Checking libp2p v0.39.1
[INFO] [stderr]  Documenting rust-blockchain-practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: implementation is not supported in `trait`s or `impl`s
[INFO] [stdout]   --> src/main.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     impl App {
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider moving the implementation out to a nearby module scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `rust-blockchain-practice`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type bin --crate-name rust_blockchain_practice src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=8772380fadb181ea -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-3c8819b5bf0a584c.rmeta --extern hex=/opt/rustwide/target/debug/deps/libhex-154257be2cdb5bdc.rmeta --extern libp2p=/opt/rustwide/target/debug/deps/liblibp2p-39429d67e8b0b8b8.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-c7c817e51f00017b.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-5022bfb9325dfd1a.rmeta --extern pretty_env_logger=/opt/rustwide/target/debug/deps/libpretty_env_logger-da45f20487b4ffa7.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-a48dc1fee1238fac.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-397ec5a79ef93667.rmeta --extern sha2=/opt/rustwide/target/debug/deps/libsha2-8b620dce89ab44bc.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-ad621c301c367fcf.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "87a131233765ddde950350149f8a7dd8ee94b2ad5df49e23e092cca6fca4263b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87a131233765ddde950350149f8a7dd8ee94b2ad5df49e23e092cca6fca4263b", kill_on_drop: false }`
[INFO] [stdout] 87a131233765ddde950350149f8a7dd8ee94b2ad5df49e23e092cca6fca4263b
[INFO] documenting NoAmpersand/rust-blockchain-practice against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNoAmpersand%2Frust-blockchain-practice" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NoAmpersand/rust-blockchain-practice on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NoAmpersand/rust-blockchain-practice
[INFO] finished tweaking git repo https://github.com/NoAmpersand/rust-blockchain-practice
[INFO] tweaked toml for git repo https://github.com/NoAmpersand/rust-blockchain-practice written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/NoAmpersand/rust-blockchain-practice 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" "+beta-2023-12-22" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1769c7dcd9f5703be73b4d81a035ba2a260527728282b8b8183338e87180ccef
[INFO] running `Command { std: "docker" "start" "-a" "1769c7dcd9f5703be73b4d81a035ba2a260527728282b8b8183338e87180ccef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1769c7dcd9f5703be73b4d81a035ba2a260527728282b8b8183338e87180ccef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1769c7dcd9f5703be73b4d81a035ba2a260527728282b8b8183338e87180ccef", kill_on_drop: false }`
[INFO] [stdout] 1769c7dcd9f5703be73b4d81a035ba2a260527728282b8b8183338e87180ccef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 528a9119bc274eb914129d67570f2c9a2b3cb8ec044ec94c805416e5e3cda987
[INFO] running `Command { std: "docker" "start" "-a" "528a9119bc274eb914129d67570f2c9a2b3cb8ec044ec94c805416e5e3cda987", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.60
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling log v0.4.19
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]    Compiling tempfile v3.6.0
[INFO] [stderr]    Compiling rustix v0.37.20
[INFO] [stderr]     Checking value-bag v1.4.0
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling bytes v1.4.0
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling serde v1.0.164
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.30
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking data-encoding v2.4.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking ed25519 v1.5.3
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]     Checking hmac v0.8.1
[INFO] [stderr]     Checking libsecp256k1-core v0.2.2
[INFO] [stderr]     Checking asn1_der v0.7.6
[INFO] [stderr]     Checking hmac-drbg v0.3.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking parking v2.1.0
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking async-lock v2.7.0
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking url v2.4.0
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling which v4.4.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking concurrent-queue v2.2.0
[INFO] [stderr]    Compiling prost-build v0.8.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.87
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]     Checking async-task v4.4.0
[INFO] [stderr]    Compiling bumpalo v3.13.0
[INFO] [stderr]     Checking ipnet v2.7.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling libsecp256k1-gen-ecmult v0.2.1
[INFO] [stderr]    Compiling libsecp256k1-gen-genmult v0.2.1
[INFO] [stderr]    Compiling libz-sys v1.1.9
[INFO] [stderr]     Checking async-channel v1.8.0
[INFO] [stderr]     Checking atomic-waker v1.1.1
[INFO] [stderr]    Compiling wasm-bindgen v0.2.87
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking async-executor v1.5.1
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking blocking v1.3.1
[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stderr]     Checking ahash v0.7.6
[INFO] [stderr]    Compiling tokio v1.28.2
[INFO] [stderr]    Compiling libsecp256k1 v0.5.0
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking quicksink v0.1.2
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking salsa20 v0.8.1
[INFO] [stderr]     Checking flate2 v1.0.26
[INFO] [stderr]     Checking uint v0.9.5
[INFO] [stderr]     Checking cuckoofilter v0.5.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking if-addrs v0.6.7
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking atomic v0.5.3
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking lru v0.6.6
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking chrono v0.4.26
[INFO] [stderr]     Checking async-global-executor v2.3.1
[INFO] [stderr]     Checking if-watch v0.2.2
[INFO] [stderr]     Checking async-std v1.12.0
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking webpki-roots v0.21.1
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.87
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling serde_derive v1.0.164
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling pin-project-internal v1.1.0
[INFO] [stderr]    Compiling async-trait v0.1.68
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.87
[INFO] [stderr]    Compiling prost-derive v0.8.0
[INFO] [stderr]    Compiling multihash-derive v0.7.2
[INFO] [stderr]    Compiling enum-as-inner v0.3.4
[INFO] [stderr]    Compiling minicbor-derive v0.6.4
[INFO] [stderr]    Compiling libp2p-swarm-derive v0.24.0
[INFO] [stderr]     Checking futures-rustls v0.21.1
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking curve25519-dalek v3.2.1
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.87
[INFO] [stderr]     Checking thiserror v1.0.40
[INFO] [stderr]     Checking x25519-dalek v1.2.0
[INFO] [stderr]     Checking pin-project v1.1.0
[INFO] [stderr]    Compiling pest v2.6.0
[INFO] [stderr]     Checking pin-project v0.4.30
[INFO] [stderr]    Compiling prost v0.8.0
[INFO] [stderr]     Checking minicbor v0.8.1
[INFO] [stderr]     Checking js-sys v0.3.64
[INFO] [stderr]    Compiling prost-types v0.8.0
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling snow v0.8.0
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking asynchronous-codec v0.6.1
[INFO] [stderr]     Checking trust-dns-proto v0.20.4
[INFO] [stderr]    Compiling libp2p-core v0.29.0
[INFO] [stderr]    Compiling libp2p-identify v0.30.0
[INFO] [stderr]    Compiling libp2p-gossipsub v0.32.0
[INFO] [stderr]    Compiling libp2p-kad v0.31.0
[INFO] [stderr]    Compiling libp2p-relay v0.3.0
[INFO] [stderr]    Compiling libp2p-noise v0.32.0
[INFO] [stderr]    Compiling libp2p-floodsub v0.30.0
[INFO] [stderr]    Compiling libp2p-plaintext v0.29.0
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking unsigned-varint v0.7.1
[INFO] [stderr]     Checking rw-stream-sink v0.2.1
[INFO] [stderr]     Checking wasm-timer v0.2.5
[INFO] [stderr]     Checking soketto v0.4.2
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.37
[INFO] [stderr]     Checking yamux v0.9.0
[INFO] [stderr]     Checking libp2p-pnet v0.21.0
[INFO] [stderr]     Checking multihash v0.14.0
[INFO] [stderr]     Checking multistream-select v0.10.4
[INFO] [stderr]     Checking trust-dns-resolver v0.20.4
[INFO] [stderr]     Checking multiaddr v0.13.0
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking serde_json v1.0.97
[INFO] [stderr]     Checking async-std-resolver v0.20.4
[INFO] [stderr]     Checking libp2p-swarm v0.30.0
[INFO] [stderr]     Checking libp2p-tcp v0.29.0
[INFO] [stderr]     Checking libp2p-deflate v0.29.0
[INFO] [stderr]     Checking libp2p-websocket v0.30.0
[INFO] [stderr]     Checking libp2p-dns v0.29.0
[INFO] [stderr]     Checking libp2p-wasm-ext v0.29.0
[INFO] [stderr]     Checking libp2p-uds v0.29.0
[INFO] [stderr]     Checking libp2p-yamux v0.33.0
[INFO] [stderr]     Checking libp2p-mplex v0.29.0
[INFO] [stderr]     Checking libp2p-request-response v0.12.0
[INFO] [stderr]     Checking libp2p-mdns v0.31.0
[INFO] [stderr]     Checking libp2p-ping v0.30.0
[INFO] [stderr]     Checking libp2p v0.39.1
[INFO] [stderr]  Documenting rust-blockchain-practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: implementation is not supported in `trait`s or `impl`s
[INFO] [stdout]   --> src/main.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     impl App {
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider moving the implementation out to a nearby module scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `rust-blockchain-practice`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2023-12-22-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type bin --crate-name rust_blockchain_practice src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=c38fff20205face0 -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-ede0eb50af8d7faa.rmeta --extern hex=/opt/rustwide/target/debug/deps/libhex-5d39bbac87d797f4.rmeta --extern libp2p=/opt/rustwide/target/debug/deps/liblibp2p-b67eab41f0600efc.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-26763f8692fcaa33.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-69e0e9fac18d9775.rmeta --extern pretty_env_logger=/opt/rustwide/target/debug/deps/libpretty_env_logger-4f90e69d07115df7.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-a9fbf829b82f767b.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-c7e64030246bf594.rmeta --extern sha2=/opt/rustwide/target/debug/deps/libsha2-ad622f859fc5a507.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-8be6b2a15d7e58de.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "528a9119bc274eb914129d67570f2c9a2b3cb8ec044ec94c805416e5e3cda987", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "528a9119bc274eb914129d67570f2c9a2b3cb8ec044ec94c805416e5e3cda987", kill_on_drop: false }`
[INFO] [stdout] 528a9119bc274eb914129d67570f2c9a2b3cb8ec044ec94c805416e5e3cda987
