[INFO] cloning repository https://github.com/chb0github/rusty-brown
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chb0github/rusty-brown" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchb0github%2Frusty-brown", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchb0github%2Frusty-brown'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4d45205be048412291660b8b6e77d7efd289aa11
[INFO] testing chb0github/rusty-brown against 1.85.0 for beta-1.86-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchb0github%2Frusty-brown" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chb0github/rusty-brown on toolchain 1.85.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.85.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chb0github/rusty-brown
[INFO] finished tweaking git repo https://github.com/chb0github/rusty-brown
[INFO] tweaked toml for git repo https://github.com/chb0github/rusty-brown written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/chb0github/rusty-brown 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" "+1.85.0" "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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 803c22f56cea81da5a0a36dbc05155c79e3ed31fc57d2e6b8aec8a41751ed3ee
[INFO] running `Command { std: "docker" "start" "-a" "803c22f56cea81da5a0a36dbc05155c79e3ed31fc57d2e6b8aec8a41751ed3ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "803c22f56cea81da5a0a36dbc05155c79e3ed31fc57d2e6b8aec8a41751ed3ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "803c22f56cea81da5a0a36dbc05155c79e3ed31fc57d2e6b8aec8a41751ed3ee", kill_on_drop: false }`
[INFO] [stdout] 803c22f56cea81da5a0a36dbc05155c79e3ed31fc57d2e6b8aec8a41751ed3ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ee5ae763eefa67494677261f6b8c25b71882388726f31c0d1e9607068fa58a3
[INFO] running `Command { std: "docker" "start" "-a" "8ee5ae763eefa67494677261f6b8c25b71882388726f31c0d1e9607068fa58a3", kill_on_drop: false }`
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[INFO] [stderr]    Compiling multihash-derive v0.7.2
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[INFO] [stderr]    Compiling libp2p-dns v0.29.0
[INFO] [stderr]    Compiling libp2p-deflate v0.29.0
[INFO] [stderr]    Compiling libp2p-mplex v0.29.0
[INFO] [stderr]    Compiling libp2p-mdns v0.31.0
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[INFO] [stderr]    Compiling libp2p v0.39.1
[INFO] [stderr]    Compiling pyrsia-blockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `nonce`
[INFO] [stdout]    --> src/block_chain.rs:125:17
[INFO] [stdout]     |
[INFO] [stdout] 125 |         .find(|(nonce,hash,binary_hash)| binary_hash.starts_with(DIFFICULTY_PREFIX))
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_nonce`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash`
[INFO] [stdout]    --> src/block_chain.rs:125:23
[INFO] [stdout]     |
[INFO] [stdout] 125 |         .find(|(nonce,hash,binary_hash)| binary_hash.starts_with(DIFFICULTY_PREFIX))
[INFO] [stdout]     |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bin`
[INFO] [stdout]    --> src/block_chain.rs:126:28
[INFO] [stdout]     |
[INFO] [stdout] 126 |         .map(|(nonce,hash, bin)| (nonce, hex::encode(hash))).expect("results")
[INFO] [stdout]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_bin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_chain_valid` is never used
[INFO] [stdout]   --> src/block_chain.rs:83:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl BlockChain {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 83 |     fn is_chain_valid(&self, chain: &[Block]) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/block_chain.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | /         serde_json::to_string_pretty(&self.blocks).map(|pretty_json|
[INFO] [stdout] 13 | |             println!("{}", pretty_json)
[INFO] [stdout] 14 | |         );
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let _ = serde_json::to_string_pretty(&self.blocks).map(|pretty_json|
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 47.57s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: snow v0.8.0, wasm-bindgen v0.2.78
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 7`
[INFO] running `Command { std: "docker" "inspect" "8ee5ae763eefa67494677261f6b8c25b71882388726f31c0d1e9607068fa58a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ee5ae763eefa67494677261f6b8c25b71882388726f31c0d1e9607068fa58a3", kill_on_drop: false }`
[INFO] [stdout] 8ee5ae763eefa67494677261f6b8c25b71882388726f31c0d1e9607068fa58a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2b225ad47dee7e6b7bdc426c3239f10c4ccdfc8f84b170e3681b19746f57c19
[INFO] running `Command { std: "docker" "start" "-a" "c2b225ad47dee7e6b7bdc426c3239f10c4ccdfc8f84b170e3681b19746f57c19", kill_on_drop: false }`
[INFO] [stderr]    Compiling pyrsia-blockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `nonce`
[INFO] [stdout]    --> src/block_chain.rs:125:17
[INFO] [stdout]     |
[INFO] [stdout] 125 |         .find(|(nonce,hash,binary_hash)| binary_hash.starts_with(DIFFICULTY_PREFIX))
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_nonce`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash`
[INFO] [stdout]    --> src/block_chain.rs:125:23
[INFO] [stdout]     |
[INFO] [stdout] 125 |         .find(|(nonce,hash,binary_hash)| binary_hash.starts_with(DIFFICULTY_PREFIX))
[INFO] [stdout]     |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bin`
[INFO] [stdout]    --> src/block_chain.rs:126:28
[INFO] [stdout]     |
[INFO] [stdout] 126 |         .map(|(nonce,hash, bin)| (nonce, hex::encode(hash))).expect("results")
[INFO] [stdout]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_bin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_chain_valid` is never used
[INFO] [stdout]   --> src/block_chain.rs:83:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl BlockChain {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 83 |     fn is_chain_valid(&self, chain: &[Block]) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/block_chain.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | /         serde_json::to_string_pretty(&self.blocks).map(|pretty_json|
[INFO] [stdout] 13 | |             println!("{}", pretty_json)
[INFO] [stdout] 14 | |         );
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let _ = serde_json::to_string_pretty(&self.blocks).map(|pretty_json|
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: snow v0.8.0, wasm-bindgen v0.2.78
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 7`
[INFO] running `Command { std: "docker" "inspect" "c2b225ad47dee7e6b7bdc426c3239f10c4ccdfc8f84b170e3681b19746f57c19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2b225ad47dee7e6b7bdc426c3239f10c4ccdfc8f84b170e3681b19746f57c19", kill_on_drop: false }`
[INFO] [stdout] c2b225ad47dee7e6b7bdc426c3239f10c4ccdfc8f84b170e3681b19746f57c19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a30ff365cd4acca8fb78a9ad3bb7963e2950fc0ce845c31c803b49b69f3be6f7
[INFO] running `Command { std: "docker" "start" "-a" "a30ff365cd4acca8fb78a9ad3bb7963e2950fc0ce845c31c803b49b69f3be6f7", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `nonce`
[INFO] [stderr]    --> src/block_chain.rs:125:17
[INFO] [stderr]     |
[INFO] [stderr] 125 |         .find(|(nonce,hash,binary_hash)| binary_hash.starts_with(DIFFICULTY_PREFIX))
[INFO] [stderr]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_nonce`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hash`
[INFO] [stderr]    --> src/block_chain.rs:125:23
[INFO] [stderr]     |
[INFO] [stderr] 125 |         .find(|(nonce,hash,binary_hash)| binary_hash.starts_with(DIFFICULTY_PREFIX))
[INFO] [stderr]     |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_hash`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bin`
[INFO] [stderr]    --> src/block_chain.rs:126:28
[INFO] [stderr]     |
[INFO] [stderr] 126 |         .map(|(nonce,hash, bin)| (nonce, hex::encode(hash))).expect("results")
[INFO] [stderr]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_bin`
[INFO] [stderr] 
[INFO] [stderr] warning: method `is_chain_valid` is never used
[INFO] [stderr]   --> src/block_chain.rs:83:8
[INFO] [stderr]    |
[INFO] [stderr] 20 | impl BlockChain {
[INFO] [stderr]    | --------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 83 |     fn is_chain_valid(&self, chain: &[Block]) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/block_chain.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 | /         serde_json::to_string_pretty(&self.blocks).map(|pretty_json|
[INFO] [stderr] 13 | |             println!("{}", pretty_json)
[INFO] [stderr] 14 | |         );
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 12 |         let _ = serde_json::to_string_pretty(&self.blocks).map(|pretty_json|
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `pyrsia-blockchain` (bin "pyrsia-blockchain" test) generated 5 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: snow v0.8.0, wasm-bindgen v0.2.78
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 7`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/pyrsia_blockchain-e034ec8fae041d9c)
[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" "a30ff365cd4acca8fb78a9ad3bb7963e2950fc0ce845c31c803b49b69f3be6f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a30ff365cd4acca8fb78a9ad3bb7963e2950fc0ce845c31c803b49b69f3be6f7", kill_on_drop: false }`
[INFO] [stdout] a30ff365cd4acca8fb78a9ad3bb7963e2950fc0ce845c31c803b49b69f3be6f7
