[INFO] cloning repository https://github.com/dr460n4ir3/rust_p2p_blockchain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dr460n4ir3/rust_p2p_blockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdr460n4ir3%2Frust_p2p_blockchain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdr460n4ir3%2Frust_p2p_blockchain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0236980d3a4fcd90c549b32afc1b9be78b9b53e9
[INFO] checking dr460n4ir3/rust_p2p_blockchain against master#0e517d38ad0e72f93c734b14fabd4bb9b7441de6 for pr-140557-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdr460n4ir3%2Frust_p2p_blockchain" "/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/dr460n4ir3/rust_p2p_blockchain on toolchain 0e517d38ad0e72f93c734b14fabd4bb9b7441de6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0e517d38ad0e72f93c734b14fabd4bb9b7441de6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dr460n4ir3/rust_p2p_blockchain
[INFO] finished tweaking git repo https://github.com/dr460n4ir3/rust_p2p_blockchain
[INFO] tweaked toml for git repo https://github.com/dr460n4ir3/rust_p2p_blockchain written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dr460n4ir3/rust_p2p_blockchain 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" "+0e517d38ad0e72f93c734b14fabd4bb9b7441de6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.85
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+0e517d38ad0e72f93c734b14fabd4bb9b7441de6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79f4c48cd85973dc556da1ebd4badd9961c2cd15c1da41f54cef3eda4e3f5dfe
[INFO] running `Command { std: "docker" "start" "-a" "79f4c48cd85973dc556da1ebd4badd9961c2cd15c1da41f54cef3eda4e3f5dfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79f4c48cd85973dc556da1ebd4badd9961c2cd15c1da41f54cef3eda4e3f5dfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79f4c48cd85973dc556da1ebd4badd9961c2cd15c1da41f54cef3eda4e3f5dfe", kill_on_drop: false }`
[INFO] [stdout] 79f4c48cd85973dc556da1ebd4badd9961c2cd15c1da41f54cef3eda4e3f5dfe
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+0e517d38ad0e72f93c734b14fabd4bb9b7441de6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30a34e1cbb8dd7fa28b5b35c191856e7b62aa45c177376c36db8ddd72e5e95b9
[INFO] running `Command { std: "docker" "start" "-a" "30a34e1cbb8dd7fa28b5b35c191856e7b62aa45c177376c36db8ddd72e5e95b9", kill_on_drop: false }`
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.85
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking base64ct v1.6.0
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]     Checking pbkdf2 v0.11.0
[INFO] [stderr]     Checking password-hash v0.4.2
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking salsa20 v0.10.2
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking scrypt v0.10.0
[INFO] [stderr]    Compiling tokio-macros v2.3.0
[INFO] [stderr]     Checking tokio v1.38.0
[INFO] [stderr]     Checking rust_p2p_blockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `sender`, `receiver`, and `amount` are never read
[INFO] [stdout]  --> src/block.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Transaction {
[INFO] [stdout]   |            ----------- fields in this struct
[INFO] [stdout] 7 |     pub sender: String,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 8 |     pub receiver: String,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 9 |     pub amount: u64,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Transaction` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `blockchain` is never read
[INFO] [stdout]  --> src/network.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct P2PNode {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 7 |     pub blockchain: Arc<Mutex<Blockchain>>,
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `sender`, `receiver`, and `amount` are never read
[INFO] [stdout]  --> src/block.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Transaction {
[INFO] [stdout]   |            ----------- fields in this struct
[INFO] [stdout] 7 |     pub sender: String,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 8 |     pub receiver: String,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 9 |     pub amount: u64,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Transaction` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `blockchain` is never read
[INFO] [stdout]  --> src/network.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct P2PNode {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 7 |     pub blockchain: Arc<Mutex<Blockchain>>,
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.89s
[INFO] running `Command { std: "docker" "inspect" "30a34e1cbb8dd7fa28b5b35c191856e7b62aa45c177376c36db8ddd72e5e95b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30a34e1cbb8dd7fa28b5b35c191856e7b62aa45c177376c36db8ddd72e5e95b9", kill_on_drop: false }`
[INFO] [stdout] 30a34e1cbb8dd7fa28b5b35c191856e7b62aa45c177376c36db8ddd72e5e95b9