[INFO] cloning repository https://github.com/sincerelyyyash/blockchain-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sincerelyyyash/blockchain-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsincerelyyyash%2Fblockchain-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsincerelyyyash%2Fblockchain-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f1a978ef3796c6f32e5d4c2be99ae4cf59d25717
[INFO] testing sincerelyyyash/blockchain-rust against beta-2026-03-05 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsincerelyyyash%2Fblockchain-rust" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sincerelyyyash/blockchain-rust
[INFO] finished tweaking git repo https://github.com/sincerelyyyash/blockchain-rust
[INFO] tweaked toml for git repo https://github.com/sincerelyyyash/blockchain-rust written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sincerelyyyash/blockchain-rust on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sincerelyyyash/blockchain-rust 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" "+beta-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hermit-abi v0.5.1
[INFO] [stderr]   Downloaded is-terminal v0.4.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53c642b702d0284d55321b29437bb980a20603dab4ada8f20961b3e7af558c78
[INFO] running `Command { std: "docker" "start" "-a" "53c642b702d0284d55321b29437bb980a20603dab4ada8f20961b3e7af558c78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53c642b702d0284d55321b29437bb980a20603dab4ada8f20961b3e7af558c78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53c642b702d0284d55321b29437bb980a20603dab4ada8f20961b3e7af558c78", kill_on_drop: false }`
[INFO] [stdout] 53c642b702d0284d55321b29437bb980a20603dab4ada8f20961b3e7af558c78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9004133de9a5b81e7db74d47ae5d878ac103092832f70f30eb5730a82594b7cf
[INFO] running `Command { std: "docker" "start" "-a" "9004133de9a5b81e7db74d47ae5d878ac103092832f70f30eb5730a82594b7cf", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling smallvec v1.15.0
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling der v0.7.10
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling signal-hook-registry v1.4.5
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling data-encoding v2.9.0
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling ff v0.13.1
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling group v0.13.0
[INFO] [stderr]    Compiling crypto-bigint v0.5.5
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling is-terminal v0.4.16
[INFO] [stderr]    Compiling spki v0.7.3
[INFO] [stderr]    Compiling sec1 v0.7.3
[INFO] [stderr]    Compiling pkcs8 v0.10.2
[INFO] [stderr]    Compiling humantime v2.2.0
[INFO] [stderr]    Compiling signature v2.2.0
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling env_logger v0.10.2
[INFO] [stderr]    Compiling elliptic-curve v0.13.8
[INFO] [stderr]    Compiling ecdsa v0.16.9
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling k256 v0.13.4
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling tokio v1.45.1
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling yoke v0.8.0
[INFO] [stderr]    Compiling zerovec v0.11.2
[INFO] [stderr]    Compiling zerotrie v0.2.2
[INFO] [stderr]    Compiling tinystr v0.8.1
[INFO] [stderr]    Compiling potential_utf v0.1.2
[INFO] [stderr]    Compiling icu_collections v2.0.0
[INFO] [stderr]    Compiling icu_locale_core v2.0.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling icu_provider v2.0.0
[INFO] [stderr]    Compiling icu_normalizer v2.0.0
[INFO] [stderr]    Compiling icu_properties v2.0.1
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.0.3
[INFO] [stderr]    Compiling url v2.5.4
[INFO] [stderr]    Compiling tungstenite v0.20.1
[INFO] [stderr]    Compiling tokio-tungstenite v0.20.1
[INFO] [stderr]    Compiling central_server v0.1.0 (/opt/rustwide/workdir/central_server)
[INFO] [stderr]    Compiling miner v0.1.0 (/opt/rustwide/workdir/miner)
[INFO] [stdout] warning: method `is_valid` is never used
[INFO] [stdout]   --> miner/src/blockchain.rs:86:12
[INFO] [stdout]    |
[INFO] [stdout] 59 | impl Blockchain {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 86 |     pub fn is_valid(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `hash` and `is_valid` are never used
[INFO] [stdout]   --> miner/src/transaction.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Transaction{
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] 15 |     pub fn hash(&self) -> String{
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn is_valid(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_wallet` is never used
[INFO] [stdout]  --> miner/src/wallet.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn generate_wallet() -> (String, SigningKey) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sign_message` is never used
[INFO] [stdout]   --> miner/src/wallet.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn sign_message(message: &str, key: &SigningKey) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `current_timestamp` is never used
[INFO] [stdout]  --> miner/src/utils.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn current_timestamp()-> u128 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 59.18s
[INFO] running `Command { std: "docker" "inspect" "9004133de9a5b81e7db74d47ae5d878ac103092832f70f30eb5730a82594b7cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9004133de9a5b81e7db74d47ae5d878ac103092832f70f30eb5730a82594b7cf", kill_on_drop: false }`
[INFO] [stdout] 9004133de9a5b81e7db74d47ae5d878ac103092832f70f30eb5730a82594b7cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5fa5ea5880f6b943503318a3b0833b2aeb1a3be3383d6c398160fcaa6537fd34
[INFO] running `Command { std: "docker" "start" "-a" "5fa5ea5880f6b943503318a3b0833b2aeb1a3be3383d6c398160fcaa6537fd34", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling miner v0.1.0 (/opt/rustwide/workdir/miner)
[INFO] [stderr]    Compiling central_server v0.1.0 (/opt/rustwide/workdir/central_server)
[INFO] [stdout] warning: method `is_valid` is never used
[INFO] [stdout]   --> miner/src/blockchain.rs:86:12
[INFO] [stdout]    |
[INFO] [stdout] 59 | impl Blockchain {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 86 |     pub fn is_valid(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `hash` and `is_valid` are never used
[INFO] [stdout]   --> miner/src/transaction.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Transaction{
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] 15 |     pub fn hash(&self) -> String{
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn is_valid(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_wallet` is never used
[INFO] [stdout]  --> miner/src/wallet.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn generate_wallet() -> (String, SigningKey) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sign_message` is never used
[INFO] [stdout]   --> miner/src/wallet.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn sign_message(message: &str, key: &SigningKey) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `current_timestamp` is never used
[INFO] [stdout]  --> miner/src/utils.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn current_timestamp()-> u128 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.17s
[INFO] running `Command { std: "docker" "inspect" "5fa5ea5880f6b943503318a3b0833b2aeb1a3be3383d6c398160fcaa6537fd34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fa5ea5880f6b943503318a3b0833b2aeb1a3be3383d6c398160fcaa6537fd34", kill_on_drop: false }`
[INFO] [stdout] 5fa5ea5880f6b943503318a3b0833b2aeb1a3be3383d6c398160fcaa6537fd34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cc39e40a2279ac5046368e66f4cd161892163bfdfdb5ac021cfec322c0e247bb
[INFO] running `Command { std: "docker" "start" "-a" "cc39e40a2279ac5046368e66f4cd161892163bfdfdb5ac021cfec322c0e247bb", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr] warning: method `is_valid` is never used
[INFO] [stderr]   --> miner/src/blockchain.rs:86:12
[INFO] [stderr]    |
[INFO] [stderr] 59 | impl Blockchain {
[INFO] [stderr]    | --------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 86 |     pub fn is_valid(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `hash` and `is_valid` are never used
[INFO] [stderr]   --> miner/src/transaction.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 14 | impl Transaction{
[INFO] [stderr]    | ---------------- methods in this implementation
[INFO] [stderr] 15 |     pub fn hash(&self) -> String{
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 21 |     pub fn is_valid(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `generate_wallet` is never used
[INFO] [stderr]  --> miner/src/wallet.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn generate_wallet() -> (String, SigningKey) {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `sign_message` is never used
[INFO] [stderr]   --> miner/src/wallet.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub fn sign_message(message: &str, key: &SigningKey) -> String {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `current_timestamp` is never used
[INFO] [stderr]  --> miner/src/utils.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn current_timestamp()-> u128 {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `miner` (bin "miner" test) generated 5 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/central_server-7a8005da66aae226)
[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] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/central_server-a938d93cef3c1d2a)
[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 unittests src/main.rs (/opt/rustwide/target/debug/deps/miner-70a90f0aa87eacc4)
[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]    Doc-tests central_server
[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" "cc39e40a2279ac5046368e66f4cd161892163bfdfdb5ac021cfec322c0e247bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc39e40a2279ac5046368e66f4cd161892163bfdfdb5ac021cfec322c0e247bb", kill_on_drop: false }`
[INFO] [stdout] cc39e40a2279ac5046368e66f4cd161892163bfdfdb5ac021cfec322c0e247bb
