[INFO] cloning repository https://github.com/mogobanyamwaro/solarchain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mogobanyamwaro/solarchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmogobanyamwaro%2Fsolarchain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmogobanyamwaro%2Fsolarchain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ec80c33bdf5176c5f1f642f61f42d453364836df
[INFO] testing mogobanyamwaro/solarchain against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmogobanyamwaro%2Fsolarchain" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mogobanyamwaro/solarchain
[INFO] finished tweaking git repo https://github.com/mogobanyamwaro/solarchain
[INFO] tweaked toml for git repo https://github.com/mogobanyamwaro/solarchain written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mogobanyamwaro/solarchain on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mogobanyamwaro/solarchain 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2135843ab8a4c632e15efc53c8c02406148b0e1a6393cd564170f46c91f19e8e
[INFO] running `Command { std: "docker" "start" "-a" "2135843ab8a4c632e15efc53c8c02406148b0e1a6393cd564170f46c91f19e8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2135843ab8a4c632e15efc53c8c02406148b0e1a6393cd564170f46c91f19e8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2135843ab8a4c632e15efc53c8c02406148b0e1a6393cd564170f46c91f19e8e", kill_on_drop: false }`
[INFO] [stdout] 2135843ab8a4c632e15efc53c8c02406148b0e1a6393cd564170f46c91f19e8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a741cf6982092ec57bea9f4141aafa9d491fd03151bc05ce8e436e21e238f5a6
[INFO] running `Command { std: "docker" "start" "-a" "a741cf6982092ec57bea9f4141aafa9d491fd03151bc05ce8e436e21e238f5a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.88
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling base64ct v1.6.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling const-oid v0.7.1
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling num-bigint-dig v0.8.4
[INFO] [stderr]    Compiling serde v1.0.211
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling serde_json v1.0.132
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling pin-project-lite v0.2.14
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling cpufeatures v0.2.14
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling bytes v1.8.0
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling pem-rfc7468 v0.3.1
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.82
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling mio v1.0.2
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling socket2 v0.5.7
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling crypto-bigint v0.3.2
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling der v0.5.1
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling spki v0.5.4
[INFO] [stderr]    Compiling pkcs8 v0.8.0
[INFO] [stderr]    Compiling pkcs1 v0.3.3
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling serde_derive v1.0.211
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling tokio v1.40.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rsa v0.6.1
[INFO] [stderr]    Compiling SolaraChain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `output_index` and `receiver` are never read
[INFO] [stdout]    --> src/main.rs:144:5
[INFO] [stdout]     |
[INFO] [stdout] 142 | struct UTXO {
[INFO] [stdout]     |        ---- fields in this struct
[INFO] [stdout] 143 |     tx_id: String, // ID of the transaction that created this UTXO
[INFO] [stdout] 144 |     output_index: usize, // Output index in the transaction
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 145 |     amount: u64, // Amount of this UTXO
[INFO] [stdout] 146 |     receiver: String, // Receiver of this UTXO
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `UTXO` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]    --> src/main.rs:364:8
[INFO] [stdout]     |
[INFO] [stdout] 364 | struct Node {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.68s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: num-bigint-dig v0.8.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "a741cf6982092ec57bea9f4141aafa9d491fd03151bc05ce8e436e21e238f5a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a741cf6982092ec57bea9f4141aafa9d491fd03151bc05ce8e436e21e238f5a6", kill_on_drop: false }`
[INFO] [stdout] a741cf6982092ec57bea9f4141aafa9d491fd03151bc05ce8e436e21e238f5a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78c5de990fcee4feec243f81dcc0a46a5b4e20ee3c30cc4bdd562cea95de2bcc
[INFO] running `Command { std: "docker" "start" "-a" "78c5de990fcee4feec243f81dcc0a46a5b4e20ee3c30cc4bdd562cea95de2bcc", kill_on_drop: false }`
[INFO] [stderr]    Compiling SolaraChain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `output_index` and `receiver` are never read
[INFO] [stdout]    --> src/main.rs:144:5
[INFO] [stdout]     |
[INFO] [stdout] 142 | struct UTXO {
[INFO] [stdout]     |        ---- fields in this struct
[INFO] [stdout] 143 |     tx_id: String, // ID of the transaction that created this UTXO
[INFO] [stdout] 144 |     output_index: usize, // Output index in the transaction
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 145 |     amount: u64, // Amount of this UTXO
[INFO] [stdout] 146 |     receiver: String, // Receiver of this UTXO
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `UTXO` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]    --> src/main.rs:364:8
[INFO] [stdout]     |
[INFO] [stdout] 364 | struct Node {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: num-bigint-dig v0.8.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "78c5de990fcee4feec243f81dcc0a46a5b4e20ee3c30cc4bdd562cea95de2bcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78c5de990fcee4feec243f81dcc0a46a5b4e20ee3c30cc4bdd562cea95de2bcc", kill_on_drop: false }`
[INFO] [stdout] 78c5de990fcee4feec243f81dcc0a46a5b4e20ee3c30cc4bdd562cea95de2bcc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c9c30174b77975453a46744b7f920c5f4a1018c724f8b14ccb7379888b212a1c
[INFO] running `Command { std: "docker" "start" "-a" "c9c30174b77975453a46744b7f920c5f4a1018c724f8b14ccb7379888b212a1c", kill_on_drop: false }`
[INFO] [stderr] warning: fields `output_index` and `receiver` are never read
[INFO] [stderr]    --> src/main.rs:144:5
[INFO] [stderr]     |
[INFO] [stderr] 142 | struct UTXO {
[INFO] [stderr]     |        ---- fields in this struct
[INFO] [stderr] 143 |     tx_id: String, // ID of the transaction that created this UTXO
[INFO] [stderr] 144 |     output_index: usize, // Output index in the transaction
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 145 |     amount: u64, // Amount of this UTXO
[INFO] [stderr] 146 |     receiver: String, // Receiver of this UTXO
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `UTXO` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Node` is never constructed
[INFO] [stderr]    --> src/main.rs:364:8
[INFO] [stderr]     |
[INFO] [stderr] 364 | struct Node {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `SolaraChain` (bin "SolaraChain" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: num-bigint-dig v0.8.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/SolaraChain-0a2d9dc511c6a080)
[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" "c9c30174b77975453a46744b7f920c5f4a1018c724f8b14ccb7379888b212a1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9c30174b77975453a46744b7f920c5f4a1018c724f8b14ccb7379888b212a1c", kill_on_drop: false }`
[INFO] [stdout] c9c30174b77975453a46744b7f920c5f4a1018c724f8b14ccb7379888b212a1c
