[INFO] cloning repository https://github.com/djeanql/rust_blockchain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/djeanql/rust_blockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjeanql%2Frust_blockchain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjeanql%2Frust_blockchain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b47d86be2723094994e803cd73064e0a33530691
[INFO] checking djeanql/rust_blockchain/b47d86be2723094994e803cd73064e0a33530691 against master#c797096598b80ba4a40397ad7e91584fcd3df5f1 for pr-146377
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjeanql%2Frust_blockchain" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/djeanql/rust_blockchain
[INFO] finished tweaking git repo https://github.com/djeanql/rust_blockchain
[INFO] tweaked toml for git repo https://github.com/djeanql/rust_blockchain written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/djeanql/rust_blockchain on toolchain c797096598b80ba4a40397ad7e91584fcd3df5f1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c797096598b80ba4a40397ad7e91584fcd3df5f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/djeanql/rust_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" "+c797096598b80ba4a40397ad7e91584fcd3df5f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unty v0.0.4
[INFO] [stderr]   Downloaded bincode_derive v2.0.1
[INFO] [stderr]   Downloaded virtue v0.0.18
[INFO] [stderr]   Downloaded bincode v2.0.1
[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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+c797096598b80ba4a40397ad7e91584fcd3df5f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c8563d2c9fd3fe9d3f2f48c476e4e2e511a6b2142020c160238a67a935e4db3
[INFO] running `Command { std: "docker" "start" "-a" "0c8563d2c9fd3fe9d3f2f48c476e4e2e511a6b2142020c160238a67a935e4db3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c8563d2c9fd3fe9d3f2f48c476e4e2e511a6b2142020c160238a67a935e4db3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c8563d2c9fd3fe9d3f2f48c476e4e2e511a6b2142020c160238a67a935e4db3", kill_on_drop: false }`
[INFO] [stdout] 0c8563d2c9fd3fe9d3f2f48c476e4e2e511a6b2142020c160238a67a935e4db3
[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=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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+c797096598b80ba4a40397ad7e91584fcd3df5f1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf84416ed8dcba4332d940586ffa3560e7d9276dcd87276e7b2f260938e48ffc
[INFO] running `Command { std: "docker" "start" "-a" "cf84416ed8dcba4332d940586ffa3560e7d9276dcd87276e7b2f260938e48ffc", kill_on_drop: false }`
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling virtue v0.0.18
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking unty v0.0.4
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking der v0.7.10
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling bincode_derive v2.0.1
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking rfc6979 v0.4.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking ff v0.13.1
[INFO] [stderr]     Checking crypto-bigint v0.5.5
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]     Checking bincode v2.0.1
[INFO] [stderr]     Checking group v0.13.0
[INFO] [stderr]     Checking spki v0.7.3
[INFO] [stderr]     Checking sec1 v0.7.3
[INFO] [stderr]     Checking pkcs8 v0.10.2
[INFO] [stderr]     Checking elliptic-curve v0.13.8
[INFO] [stderr]     Checking ecdsa v0.16.9
[INFO] [stderr]     Checking k256 v0.13.4
[INFO] [stderr]     Checking rust_blockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/block.rs:205:9
[INFO] [stdout]     |
[INFO] [stdout] 205 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Transaction`, `TxInput`, and `TxOutput`
[INFO] [stdout]    --> src/block.rs:206:30
[INFO] [stdout]     |
[INFO] [stdout] 206 |     use crate::transaction::{Transaction, TxInput, TxOutput};
[INFO] [stdout]     |                              ^^^^^^^^^^^  ^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `verifying_key` is never read
[INFO] [stdout]  --> src/wallet.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Wallet {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 6 |     signing_key: SigningKey,
[INFO] [stdout] 7 |     verifying_key: VerifyingKey,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `verifying_key` is never read
[INFO] [stdout]  --> src/wallet.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Wallet {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 6 |     signing_key: SigningKey,
[INFO] [stdout] 7 |     verifying_key: VerifyingKey,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.61s
[INFO] running `Command { std: "docker" "inspect" "cf84416ed8dcba4332d940586ffa3560e7d9276dcd87276e7b2f260938e48ffc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf84416ed8dcba4332d940586ffa3560e7d9276dcd87276e7b2f260938e48ffc", kill_on_drop: false }`
[INFO] [stdout] cf84416ed8dcba4332d940586ffa3560e7d9276dcd87276e7b2f260938e48ffc