[INFO] cloning repository https://github.com/TonyYanTony/blockchain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TonyYanTony/blockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTonyYanTony%2Fblockchain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTonyYanTony%2Fblockchain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 77f9acbcdd5bc7e4b219fe7bb104e159c773623f
[INFO] testing TonyYanTony/blockchain against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTonyYanTony%2Fblockchain" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/TonyYanTony/blockchain
[INFO] finished tweaking git repo https://github.com/TonyYanTony/blockchain
[INFO] tweaked toml for git repo https://github.com/TonyYanTony/blockchain written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/TonyYanTony/blockchain on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/TonyYanTony/blockchain 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e499e0d468eef7c36c2cc51df34928a7f53d9fc557156d33ab697b388bcb0a95
[INFO] running `Command { std: "docker" "start" "-a" "e499e0d468eef7c36c2cc51df34928a7f53d9fc557156d33ab697b388bcb0a95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e499e0d468eef7c36c2cc51df34928a7f53d9fc557156d33ab697b388bcb0a95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e499e0d468eef7c36c2cc51df34928a7f53d9fc557156d33ab697b388bcb0a95", kill_on_drop: false }`
[INFO] [stdout] e499e0d468eef7c36c2cc51df34928a7f53d9fc557156d33ab697b388bcb0a95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 0c3ea11e0154f65c7673b33cf6a716bf777776982d2774694586de4ef884b4c0
[INFO] running `Command { std: "docker" "start" "-a" "0c3ea11e0154f65c7673b33cf6a716bf777776982d2774694586de4ef884b4c0", kill_on_drop: false }`
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[INFO] [stderr]    Compiling libp2p v0.40.0
[INFO] [stderr]    Compiling blockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `blockchain`
[INFO] [stdout]    --> src/p2p.rs:246:5
[INFO] [stdout]     |
[INFO] [stdout] 246 |     blockchain: Arc<Mutex<Blockchain>>,
[INFO] [stdout]     |     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_blockchain`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `blockchain`
[INFO] [stdout]   --> src/main.rs:18:31
[INFO] [stdout]    |
[INFO] [stdout] 18 | async fn run_interactive_mode(blockchain: Arc<Mutex<Blockchain>>, tx: mpsc::Sender<BlockchainCommand>) {
[INFO] [stdout]    |                               ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_blockchain`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Transactions` is never constructed
[INFO] [stdout]   --> src/p2p.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | enum BlockchainResponse {
[INFO] [stdout]    |      ------------------ variant in this enum
[INFO] [stdout] 47 |     Blocks(Vec<Block>),
[INFO] [stdout] 48 |     Transactions(Vec<Transaction>),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BlockchainResponse` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `broadcast_block`, `broadcast_transaction`, and `peers` are never used
[INFO] [stdout]    --> src/p2p.rs:185:12
[INFO] [stdout]     |
[INFO] [stdout] 112 | impl P2P {
[INFO] [stdout]     | -------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 185 |     pub fn broadcast_block(&mut self, block: Block) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 192 |     pub fn broadcast_transaction(&mut self, transaction: Transaction) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 239 |     pub fn peers(&self) -> Vec<PeerId> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `is_negative` and `digits` are never read
[INFO] [stdout]   --> src/algo.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Number {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 12 |     is_negative: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 13 |     digits: Vec<u8>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Number` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_str` is never used
[INFO] [stdout]   --> src/algo.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Number {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 17 |     fn from_str(s: &str) -> Option<Self> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compare` is never used
[INFO] [stdout]   --> src/algo.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn compare(a: &Number, b: &Number) -> Ordering {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]   --> src/algo.rs:94:4
[INFO] [stdout]    |
[INFO] [stdout] 94 | fn check(n: &str) -> Result<(), String> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]    --> src/algo.rs:112:4
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn main() {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 39s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: snow v0.8.0
[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" "0c3ea11e0154f65c7673b33cf6a716bf777776982d2774694586de4ef884b4c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c3ea11e0154f65c7673b33cf6a716bf777776982d2774694586de4ef884b4c0", kill_on_drop: false }`
[INFO] [stdout] 0c3ea11e0154f65c7673b33cf6a716bf777776982d2774694586de4ef884b4c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 67fdd5f7a35a4fdb89d78cf9ee9db51301b2aa0db1bf9abf372b2c5b821fcd6d
[INFO] running `Command { std: "docker" "start" "-a" "67fdd5f7a35a4fdb89d78cf9ee9db51301b2aa0db1bf9abf372b2c5b821fcd6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling blockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `blockchain`
[INFO] [stdout]    --> src/p2p.rs:246:5
[INFO] [stdout]     |
[INFO] [stdout] 246 |     blockchain: Arc<Mutex<Blockchain>>,
[INFO] [stdout]     |     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_blockchain`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `blockchain`
[INFO] [stdout]   --> src/main.rs:18:31
[INFO] [stdout]    |
[INFO] [stdout] 18 | async fn run_interactive_mode(blockchain: Arc<Mutex<Blockchain>>, tx: mpsc::Sender<BlockchainCommand>) {
[INFO] [stdout]    |                               ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_blockchain`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Transactions` is never constructed
[INFO] [stdout]   --> src/p2p.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | enum BlockchainResponse {
[INFO] [stdout]    |      ------------------ variant in this enum
[INFO] [stdout] 47 |     Blocks(Vec<Block>),
[INFO] [stdout] 48 |     Transactions(Vec<Transaction>),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BlockchainResponse` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `broadcast_block`, `broadcast_transaction`, and `peers` are never used
[INFO] [stdout]    --> src/p2p.rs:185:12
[INFO] [stdout]     |
[INFO] [stdout] 112 | impl P2P {
[INFO] [stdout]     | -------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 185 |     pub fn broadcast_block(&mut self, block: Block) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 192 |     pub fn broadcast_transaction(&mut self, transaction: Transaction) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 239 |     pub fn peers(&self) -> Vec<PeerId> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `is_negative` and `digits` are never read
[INFO] [stdout]   --> src/algo.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Number {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 12 |     is_negative: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 13 |     digits: Vec<u8>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Number` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_str` is never used
[INFO] [stdout]   --> src/algo.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Number {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 17 |     fn from_str(s: &str) -> Option<Self> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compare` is never used
[INFO] [stdout]   --> src/algo.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn compare(a: &Number, b: &Number) -> Ordering {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]   --> src/algo.rs:94:4
[INFO] [stdout]    |
[INFO] [stdout] 94 | fn check(n: &str) -> Result<(), String> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]    --> src/algo.rs:112:4
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn main() {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.36s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: snow v0.8.0
[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" "67fdd5f7a35a4fdb89d78cf9ee9db51301b2aa0db1bf9abf372b2c5b821fcd6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67fdd5f7a35a4fdb89d78cf9ee9db51301b2aa0db1bf9abf372b2c5b821fcd6d", kill_on_drop: false }`
[INFO] [stdout] 67fdd5f7a35a4fdb89d78cf9ee9db51301b2aa0db1bf9abf372b2c5b821fcd6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] a09b9601dca142516b1f87ef670053a02e4dbc97e26b777f583a304e3ca13f69
[INFO] running `Command { std: "docker" "start" "-a" "a09b9601dca142516b1f87ef670053a02e4dbc97e26b777f583a304e3ca13f69", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `blockchain`
[INFO] [stderr]    --> src/p2p.rs:246:5
[INFO] [stderr]     |
[INFO] [stderr] 246 |     blockchain: Arc<Mutex<Blockchain>>,
[INFO] [stderr]     |     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_blockchain`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `blockchain`
[INFO] [stderr]   --> src/main.rs:18:31
[INFO] [stderr]    |
[INFO] [stderr] 18 | async fn run_interactive_mode(blockchain: Arc<Mutex<Blockchain>>, tx: mpsc::Sender<BlockchainCommand>) {
[INFO] [stderr]    |                               ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_blockchain`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Transactions` is never constructed
[INFO] [stderr]   --> src/p2p.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 46 | enum BlockchainResponse {
[INFO] [stderr]    |      ------------------ variant in this enum
[INFO] [stderr] 47 |     Blocks(Vec<Block>),
[INFO] [stderr] 48 |     Transactions(Vec<Transaction>),
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `BlockchainResponse` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `broadcast_block`, `broadcast_transaction`, and `peers` are never used
[INFO] [stderr]    --> src/p2p.rs:185:12
[INFO] [stderr]     |
[INFO] [stderr] 112 | impl P2P {
[INFO] [stderr]     | -------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 185 |     pub fn broadcast_block(&mut self, block: Block) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 192 |     pub fn broadcast_transaction(&mut self, transaction: Transaction) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 239 |     pub fn peers(&self) -> Vec<PeerId> {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `is_negative` and `digits` are never read
[INFO] [stderr]   --> src/algo.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | struct Number {
[INFO] [stderr]    |        ------ fields in this struct
[INFO] [stderr] 12 |     is_negative: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 13 |     digits: Vec<u8>,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Number` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `from_str` is never used
[INFO] [stderr]   --> src/algo.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 16 | impl Number {
[INFO] [stderr]    | ----------- associated function in this implementation
[INFO] [stderr] 17 |     fn from_str(s: &str) -> Option<Self> {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `compare` is never used
[INFO] [stderr]   --> src/algo.rs:67:4
[INFO] [stderr]    |
[INFO] [stderr] 67 | fn compare(a: &Number, b: &Number) -> Ordering {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `check` is never used
[INFO] [stderr]   --> src/algo.rs:94:4
[INFO] [stderr]    |
[INFO] [stderr] 94 | fn check(n: &str) -> Result<(), String> {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]    --> src/algo.rs:112:4
[INFO] [stderr]     |
[INFO] [stderr] 112 | fn main() {
[INFO] [stderr]     |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `blockchain` (bin "blockchain" test) generated 9 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: snow v0.8.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/algo.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/algo-452568c3591ffa7c)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/blockchain-a3421578d047d0d7)
[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] [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" "a09b9601dca142516b1f87ef670053a02e4dbc97e26b777f583a304e3ca13f69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a09b9601dca142516b1f87ef670053a02e4dbc97e26b777f583a304e3ca13f69", kill_on_drop: false }`
[INFO] [stdout] a09b9601dca142516b1f87ef670053a02e4dbc97e26b777f583a304e3ca13f69