[INFO] cloning repository https://github.com/werner/firstcoin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/werner/firstcoin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwerner%2Ffirstcoin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwerner%2Ffirstcoin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 09697aa78c8e98bb14188f07b4ff163c31c4b1a9
[INFO] testing werner/firstcoin against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwerner%2Ffirstcoin" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/werner/firstcoin on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/werner/firstcoin
[INFO] finished tweaking git repo https://github.com/werner/firstcoin
[INFO] tweaked toml for git repo https://github.com/werner/firstcoin written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/werner/firstcoin already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded itertools v0.5.10
[INFO] [stderr]   Downloaded parity-wordlist v1.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3392f3638c4205bb9dad275b9c35c2b06e7491f9721f8b34fe8262a060288ee5
[INFO] running `Command { std: "docker" "start" "-a" "3392f3638c4205bb9dad275b9c35c2b06e7491f9721f8b34fe8262a060288ee5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3392f3638c4205bb9dad275b9c35c2b06e7491f9721f8b34fe8262a060288ee5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3392f3638c4205bb9dad275b9c35c2b06e7491f9721f8b34fe8262a060288ee5", kill_on_drop: false }`
[INFO] [stdout] 3392f3638c4205bb9dad275b9c35c2b06e7491f9721f8b34fe8262a060288ee5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff3664863940bff8bd6ec11c4ad27b039d33ada7fd7b2f1a1f1d7bae8041ae04
[INFO] running `Command { std: "docker" "start" "-a" "ff3664863940bff8bd6ec11c4ad27b039d33ada7fd7b2f1a1f1d7bae8041ae04", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.36
[INFO] [stderr]    Compiling either v1.4.0
[INFO] [stderr]    Compiling rayon-core v1.3.0
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling untrusted v0.5.1
[INFO] [stderr]    Compiling coco v0.1.1
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling parity-wordlist v1.2.0
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling ring v0.12.1
[INFO] [stderr]    Compiling firstcoin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `digest`, `signature`
[INFO] [stdout]  --> src/wallet.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ring::{digest, signature, rand, agreement};
[INFO] [stdout]   |            ^^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `generate_hash`
[INFO] [stdout]  --> src/string_utils.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn generate_hash() -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Wallet`
[INFO] [stdout]  --> src/wallet.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Wallet {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/wallet.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 |   pub fn new() -> Wallet {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `generate_keys`
[INFO] [stdout]   --> src/wallet.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 |   pub fn generate_keys(&mut self) -> &Wallet {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `PublicKey`
[INFO] [stdout]  --> src/transaction.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | type PublicKey = String;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TransactionInput`
[INFO] [stdout]  --> src/transaction.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct TransactionInput {}
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TransactionOutput`
[INFO] [stdout]  --> src/transaction.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct TransactionOutput {}
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Transaction`
[INFO] [stdout]  --> src/transaction.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Transaction {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/transaction.rs:19:10
[INFO] [stdout]    |
[INFO] [stdout] 19 |   pub fn new(from: PublicKey, to: PublicKey, value: f64, inputs: Vec<TransactionInput>, sequence: i32) -> Transaction {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.23s
[INFO] running `Command { std: "docker" "inspect" "ff3664863940bff8bd6ec11c4ad27b039d33ada7fd7b2f1a1f1d7bae8041ae04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff3664863940bff8bd6ec11c4ad27b039d33ada7fd7b2f1a1f1d7bae8041ae04", kill_on_drop: false }`
[INFO] [stdout] ff3664863940bff8bd6ec11c4ad27b039d33ada7fd7b2f1a1f1d7bae8041ae04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c72584e739da45f56cf7ab8de07ac54932e2fa2abf7995031c798d9665409ce
[INFO] running `Command { std: "docker" "start" "-a" "1c72584e739da45f56cf7ab8de07ac54932e2fa2abf7995031c798d9665409ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling firstcoin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `digest`, `signature`
[INFO] [stdout]  --> src/wallet.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ring::{digest, signature, rand, agreement};
[INFO] [stdout]   |            ^^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `generate_hash`
[INFO] [stdout]  --> src/string_utils.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn generate_hash() -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Wallet`
[INFO] [stdout]  --> src/wallet.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Wallet {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/wallet.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 |   pub fn new() -> Wallet {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `generate_keys`
[INFO] [stdout]   --> src/wallet.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 |   pub fn generate_keys(&mut self) -> &Wallet {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `PublicKey`
[INFO] [stdout]  --> src/transaction.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | type PublicKey = String;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TransactionInput`
[INFO] [stdout]  --> src/transaction.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct TransactionInput {}
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TransactionOutput`
[INFO] [stdout]  --> src/transaction.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct TransactionOutput {}
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Transaction`
[INFO] [stdout]  --> src/transaction.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Transaction {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/transaction.rs:19:10
[INFO] [stdout]    |
[INFO] [stdout] 19 |   pub fn new(from: PublicKey, to: PublicKey, value: f64, inputs: Vec<TransactionInput>, sequence: i32) -> Transaction {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "1c72584e739da45f56cf7ab8de07ac54932e2fa2abf7995031c798d9665409ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c72584e739da45f56cf7ab8de07ac54932e2fa2abf7995031c798d9665409ce", kill_on_drop: false }`
[INFO] [stdout] 1c72584e739da45f56cf7ab8de07ac54932e2fa2abf7995031c798d9665409ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9b3b9d307e2b20eabbdc45fa05aece2920a9cb839f459eea4b2758b505d1df91
[INFO] running `Command { std: "docker" "start" "-a" "9b3b9d307e2b20eabbdc45fa05aece2920a9cb839f459eea4b2758b505d1df91", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `digest`, `signature`
[INFO] [stderr]  --> src/wallet.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | use ring::{digest, signature, rand, agreement};
[INFO] [stderr]   |            ^^^^^^  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `generate_hash`
[INFO] [stderr]  --> src/string_utils.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn generate_hash() -> String {
[INFO] [stderr]   |        ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Wallet`
[INFO] [stderr]  --> src/wallet.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Wallet {
[INFO] [stderr]   |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/wallet.rs:10:10
[INFO] [stderr]    |
[INFO] [stderr] 10 |   pub fn new() -> Wallet {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `generate_keys`
[INFO] [stderr]   --> src/wallet.rs:17:10
[INFO] [stderr]    |
[INFO] [stderr] 17 |   pub fn generate_keys(&mut self) -> &Wallet {
[INFO] [stderr]    |          ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `PublicKey`
[INFO] [stderr]  --> src/transaction.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | type PublicKey = String;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `TransactionInput`
[INFO] [stderr]  --> src/transaction.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct TransactionInput {}
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `TransactionOutput`
[INFO] [stderr]  --> src/transaction.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct TransactionOutput {}
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Transaction`
[INFO] [stderr]  --> src/transaction.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct Transaction {
[INFO] [stderr]   |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/transaction.rs:19:10
[INFO] [stderr]    |
[INFO] [stderr] 19 |   pub fn new(from: PublicKey, to: PublicKey, value: f64, inputs: Vec<TransactionInput>, sequence: i32) -> Transaction {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `firstcoin` (bin "firstcoin" test) generated 10 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/firstcoin-bd14598fce116d1d)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test block::block_basics ... 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] running `Command { std: "docker" "inspect" "9b3b9d307e2b20eabbdc45fa05aece2920a9cb839f459eea4b2758b505d1df91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b3b9d307e2b20eabbdc45fa05aece2920a9cb839f459eea4b2758b505d1df91", kill_on_drop: false }`
[INFO] [stdout] 9b3b9d307e2b20eabbdc45fa05aece2920a9cb839f459eea4b2758b505d1df91