[INFO] cloning repository https://github.com/whereistejas/minimal-blockchain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/whereistejas/minimal-blockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhereistejas%2Fminimal-blockchain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhereistejas%2Fminimal-blockchain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 58637c02473fed4bdcf243e2d7eaffe6b59a457f
[INFO] checking whereistejas/minimal-blockchain against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhereistejas%2Fminimal-blockchain" "/workspace/builds/worker-78/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-78/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/whereistejas/minimal-blockchain on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/whereistejas/minimal-blockchain
[INFO] finished tweaking git repo https://github.com/whereistejas/minimal-blockchain
[INFO] tweaked toml for git repo https://github.com/whereistejas/minimal-blockchain written to /workspace/builds/worker-78/source/Cargo.toml
[INFO] crate git repo https://github.com/whereistejas/minimal-blockchain already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f6cc67246e74df572c1c1dee25796aa3872590405caa00bb4f1a484d52892bd
[INFO] running `Command { std: "docker" "start" "-a" "5f6cc67246e74df572c1c1dee25796aa3872590405caa00bb4f1a484d52892bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f6cc67246e74df572c1c1dee25796aa3872590405caa00bb4f1a484d52892bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f6cc67246e74df572c1c1dee25796aa3872590405caa00bb4f1a484d52892bd", kill_on_drop: false }`
[INFO] [stdout] 5f6cc67246e74df572c1c1dee25796aa3872590405caa00bb4f1a484d52892bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c082aae2d10e252ce81a61e1b01ee7d13c8305842d7190b701bc21306eee5ff
[INFO] running `Command { std: "docker" "start" "-a" "3c082aae2d10e252ce81a61e1b01ee7d13c8305842d7190b701bc21306eee5ff", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking minimal-blockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `created_at`
[INFO] [stdout]   --> src/transaction/mod.rs:66:46
[INFO] [stdout]    |
[INFO] [stdout] 66 |             TransactionType::AccountCreate { created_at, user } => {
[INFO] [stdout]    |                                              ^^^^^^^^^^ help: try ignoring the field: `created_at: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `created_at`
[INFO] [stdout]   --> src/transaction/mod.rs:66:46
[INFO] [stdout]    |
[INFO] [stdout] 66 |             TransactionType::AccountCreate { created_at, user } => {
[INFO] [stdout]    |                                              ^^^^^^^^^^ help: try ignoring the field: `created_at: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `private_key`
[INFO] [stdout]   --> src/account/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     private_key: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `private_key`
[INFO] [stdout]   --> src/account/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     private_key: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.77s
[INFO] running `Command { std: "docker" "inspect" "3c082aae2d10e252ce81a61e1b01ee7d13c8305842d7190b701bc21306eee5ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c082aae2d10e252ce81a61e1b01ee7d13c8305842d7190b701bc21306eee5ff", kill_on_drop: false }`
[INFO] [stdout] 3c082aae2d10e252ce81a61e1b01ee7d13c8305842d7190b701bc21306eee5ff