[INFO] cloning repository https://github.com/HirotoShioi/nano_chain [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HirotoShioi/nano_chain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHirotoShioi%2Fnano_chain", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHirotoShioi%2Fnano_chain'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4c6615c381d15b85f625b53f6a140ccd76f449fc [INFO] checking HirotoShioi/nano_chain/4c6615c381d15b85f625b53f6a140ccd76f449fc against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHirotoShioi%2Fnano_chain" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/HirotoShioi/nano_chain on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/HirotoShioi/nano_chain [INFO] finished tweaking git repo https://github.com/HirotoShioi/nano_chain [INFO] tweaked toml for git repo https://github.com/HirotoShioi/nano_chain written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/HirotoShioi/nano_chain 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde v1.0.99 [INFO] [stderr] Downloaded proc-macro2 v1.0.1 [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.50 [INFO] [stderr] Downloaded dtoa v0.4.4 [INFO] [stderr] Downloaded ctrlc v3.1.3 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.50 [INFO] [stderr] Downloaded ryu v1.0.0 [INFO] [stderr] Downloaded js-sys v0.3.27 [INFO] [stderr] Downloaded wasi v0.5.0 [INFO] [stderr] Downloaded serde_yaml v0.8.9 [INFO] [stderr] Downloaded serde_json v1.0.40 [INFO] [stderr] Downloaded chrono v0.4.8 [INFO] [stderr] Downloaded serde_derive v1.0.99 [INFO] [stderr] Downloaded syn v1.0.3 [INFO] [stderr] Downloaded wasm-bindgen v0.2.50 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.50 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.50 [INFO] [stderr] Downloaded pretty_env_logger v0.3.1 [INFO] [stderr] Downloaded getrandom v0.1.11 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5e214445444be3593a589abe937e2846d1f7cb01951b2b7d6d818a846f4c49fd [INFO] running `Command { std: "docker" "start" "-a" "5e214445444be3593a589abe937e2846d1f7cb01951b2b7d6d818a846f4c49fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5e214445444be3593a589abe937e2846d1f7cb01951b2b7d6d818a846f4c49fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5e214445444be3593a589abe937e2846d1f7cb01951b2b7d6d818a846f4c49fd", kill_on_drop: false }` [INFO] [stdout] 5e214445444be3593a589abe937e2846d1f7cb01951b2b7d6d818a846f4c49fd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d7befd14d0fdf356da4bb39562862e861ac87b6508456643957f2b7b2ede52bc [INFO] running `Command { std: "docker" "start" "-a" "d7befd14d0fdf356da4bb39562862e861ac87b6508456643957f2b7b2ede52bc", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Compiling autocfg v0.1.6 [INFO] [stderr] Compiling proc-macro2 v1.0.1 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Compiling syn v1.0.3 [INFO] [stderr] Compiling getrandom v0.1.11 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling serde v1.0.99 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Compiling ryu v1.0.0 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Checking regex-syntax v0.6.11 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking ppv-lite86 v0.2.5 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking humantime v1.2.0 [INFO] [stderr] Checking block-padding v0.1.4 [INFO] [stderr] Checking termcolor v1.0.5 [INFO] [stderr] Checking generic-array v0.12.3 [INFO] [stderr] Checking linked-hash-map v0.5.2 [INFO] [stderr] Checking unicode-width v0.1.6 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking c2-chacha v0.2.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking yaml-rust v0.4.3 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking keccak v0.1.0 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking dtoa v0.4.4 [INFO] [stderr] Checking rand v0.7.0 [INFO] [stderr] Checking sha3 v0.8.2 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking chrono v0.4.8 [INFO] [stderr] Checking hex v0.3.2 [INFO] [stderr] Checking regex v1.2.1 [INFO] [stderr] Checking ctrlc v3.1.3 [INFO] [stderr] Checking env_logger v0.6.2 [INFO] [stderr] Checking pretty_env_logger v0.3.1 [INFO] [stderr] Compiling serde_derive v1.0.99 [INFO] [stderr] Checking serde_json v1.0.40 [INFO] [stderr] Checking serde_yaml v0.8.9 [INFO] [stderr] Checking nano_chain v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `blockchain`, `mempool`, `utxo`, and `network_difficulty` are never read [INFO] [stdout] --> src/node.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct Node { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 6 | blockchain: BlockChain, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 7 | mempool: Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 8 | utxo: UTXO, [INFO] [stdout] | ^^^^ [INFO] [stdout] 9 | network_difficulty: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `recv` is never used [INFO] [stdout] --> src/peer_discovery/util.rs:37:12 [INFO] [stdout] | [INFO] [stdout] 36 | impl MessageReceiver { [INFO] [stdout] | -------------------------- method in this implementation [INFO] [stdout] 37 | pub fn recv(&self) -> Result, RecvError> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `blockchain`, `mempool`, `utxo`, and `network_difficulty` are never read [INFO] [stdout] --> src/node.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct Node { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 6 | blockchain: BlockChain, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 7 | mempool: Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 8 | utxo: UTXO, [INFO] [stdout] | ^^^^ [INFO] [stdout] 9 | network_difficulty: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `recv` is never used [INFO] [stdout] --> src/peer_discovery/util.rs:37:12 [INFO] [stdout] | [INFO] [stdout] 36 | impl MessageReceiver { [INFO] [stdout] | -------------------------- method in this implementation [INFO] [stdout] 37 | pub fn recv(&self) -> Result, RecvError> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.26s [INFO] running `Command { std: "docker" "inspect" "d7befd14d0fdf356da4bb39562862e861ac87b6508456643957f2b7b2ede52bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d7befd14d0fdf356da4bb39562862e861ac87b6508456643957f2b7b2ede52bc", kill_on_drop: false }` [INFO] [stdout] d7befd14d0fdf356da4bb39562862e861ac87b6508456643957f2b7b2ede52bc