[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] testing whereistejas/minimal-blockchain against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhereistejas%2Fminimal-blockchain" "/workspace/builds/worker-82/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-82/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/whereistejas/minimal-blockchain on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-82/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" "+62efba8a050c64249dab942951bb28f710208bc8" "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-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d11ce0a241c7e7dcbe59954105e317986689b9eb457997e82fc398cab0c87a4
[INFO] running `Command { std: "docker" "start" "-a" "4d11ce0a241c7e7dcbe59954105e317986689b9eb457997e82fc398cab0c87a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d11ce0a241c7e7dcbe59954105e317986689b9eb457997e82fc398cab0c87a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d11ce0a241c7e7dcbe59954105e317986689b9eb457997e82fc398cab0c87a4", kill_on_drop: false }`
[INFO] [stdout] 4d11ce0a241c7e7dcbe59954105e317986689b9eb457997e82fc398cab0c87a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4544b58c9133be419bdc8a14ed6ca68f02e296fd400c111f3884d9264e386234
[INFO] running `Command { std: "docker" "start" "-a" "4544b58c9133be419bdc8a14ed6ca68f02e296fd400c111f3884d9264e386234", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "4544b58c9133be419bdc8a14ed6ca68f02e296fd400c111f3884d9264e386234", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4544b58c9133be419bdc8a14ed6ca68f02e296fd400c111f3884d9264e386234", kill_on_drop: false }`
[INFO] [stdout] 4544b58c9133be419bdc8a14ed6ca68f02e296fd400c111f3884d9264e386234
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 807b09d520b4ba6785ae83d8c06ca5341a003534d0970bcec38c078ad259fc6b
[INFO] running `Command { std: "docker" "start" "-a" "807b09d520b4ba6785ae83d8c06ca5341a003534d0970bcec38c078ad259fc6b", kill_on_drop: false }`
[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] [stderr]    Compiling minimal-blockchain v0.1.0 (/opt/rustwide/workdir)
[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: 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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "807b09d520b4ba6785ae83d8c06ca5341a003534d0970bcec38c078ad259fc6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "807b09d520b4ba6785ae83d8c06ca5341a003534d0970bcec38c078ad259fc6b", kill_on_drop: false }`
[INFO] [stdout] 807b09d520b4ba6785ae83d8c06ca5341a003534d0970bcec38c078ad259fc6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bd7f1b651d9fae3f5733672b3510a2d6343b45ec623a70289a68808e47e7e012
[INFO] running `Command { std: "docker" "start" "-a" "bd7f1b651d9fae3f5733672b3510a2d6343b45ec623a70289a68808e47e7e012", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `created_at`
[INFO] [stderr]   --> src/transaction/mod.rs:66:46
[INFO] [stderr]    |
[INFO] [stderr] 66 |             TransactionType::AccountCreate { created_at, user } => {
[INFO] [stderr]    |                                              ^^^^^^^^^^ help: try ignoring the field: `created_at: _`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `private_key`
[INFO] [stderr]   --> src/account/mod.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     private_key: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `minimal-blockchain` (lib) generated 2 warnings
[INFO] [stderr] warning: `minimal-blockchain` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/minimal_blockchain-4428146a8379b759)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-dce5dd76b24cb10e)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test duplicate_accounts ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests minimal-blockchain
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bd7f1b651d9fae3f5733672b3510a2d6343b45ec623a70289a68808e47e7e012", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd7f1b651d9fae3f5733672b3510a2d6343b45ec623a70289a68808e47e7e012", kill_on_drop: false }`
[INFO] [stdout] bd7f1b651d9fae3f5733672b3510a2d6343b45ec623a70289a68808e47e7e012