[INFO] fetching crate btc-cli 0.1.1... [INFO] testing btc-cli-0.1.1 against 1.60.0 for beta-1.61-1 [INFO] extracting crate btc-cli 0.1.1 into /workspace/builds/worker-10/source [INFO] validating manifest of crates.io crate btc-cli 0.1.1 on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate btc-cli 0.1.1 [INFO] finished tweaking crates.io crate btc-cli 0.1.1 [INFO] tweaked toml for crates.io crate btc-cli 0.1.1 written to /workspace/builds/worker-10/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded bech32 v0.6.0 [INFO] [stderr] Downloaded bitcoin-bech32 v0.9.0 [INFO] [stderr] Downloaded strason v0.4.0 [INFO] [stderr] Downloaded bitcoin v0.18.2 [INFO] [stderr] Downloaded bitcoin_hashes v0.3.2 [INFO] [stderr] Downloaded hexdump v0.1.1 [INFO] [stderr] Downloaded secp256k1 v0.12.2 [INFO] [stderr] Downloaded termios v0.0.5 [INFO] [stderr] Downloaded bitcoincore-rpc v0.6.0 [INFO] [stderr] Downloaded bitcoincore-rpc-json v0.6.0 [INFO] [stderr] Downloaded rpassword v0.0.4 [INFO] [stderr] Downloaded bitcoin-amount v0.1.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 6756bd21bcd81451b6f1a63f89cdc797c8844d5d847ebb361011253b27d15568 [INFO] running `Command { std: "docker" "start" "-a" "6756bd21bcd81451b6f1a63f89cdc797c8844d5d847ebb361011253b27d15568", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6756bd21bcd81451b6f1a63f89cdc797c8844d5d847ebb361011253b27d15568", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6756bd21bcd81451b6f1a63f89cdc797c8844d5d847ebb361011253b27d15568", kill_on_drop: false }` [INFO] [stdout] 6756bd21bcd81451b6f1a63f89cdc797c8844d5d847ebb361011253b27d15568 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bbf69ea01abda5a45dd684c706e4a15b3f766c6fc631f536835c85dc011327c0 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "bbf69ea01abda5a45dd684c706e4a15b3f766c6fc631f536835c85dc011327c0", kill_on_drop: false }` [INFO] [stderr] Compiling cc v1.0.26 [INFO] [stderr] Compiling bech32 v0.6.0 [INFO] [stderr] Compiling hex v0.3.2 [INFO] [stderr] Compiling libc v0.1.12 [INFO] [stderr] Compiling itertools v0.4.19 [INFO] [stderr] Compiling arrayvec v0.5.2 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling base64 v0.9.3 [INFO] [stderr] Compiling strason v0.4.0 [INFO] [stderr] Compiling bitcoin_hashes v0.3.2 [INFO] [stderr] Compiling serde_test v1.0.136 [INFO] [stderr] Compiling bitcoin-amount v0.1.4 [INFO] [stderr] Compiling bitcoin-bech32 v0.9.0 [INFO] [stderr] Compiling termios v0.0.5 [INFO] [stderr] Compiling hyper v0.10.16 [INFO] [stderr] Compiling rpassword v0.0.4 [INFO] [stderr] Compiling hexdump v0.1.1 [INFO] [stderr] Compiling secp256k1 v0.12.2 [INFO] [stderr] Compiling jsonrpc v0.11.0 [INFO] [stderr] Compiling bitcoin v0.18.2 [INFO] [stderr] Compiling bitcoincore-rpc-json v0.6.0 [INFO] [stderr] Compiling bitcoincore-rpc v0.6.0 [INFO] [stderr] Compiling btc-cli v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Error` [INFO] [stdout] --> src/main.rs:8:37 [INFO] [stdout] | [INFO] [stdout] 8 | use bitcoincore_rpc::{Auth, Client, Error, RpcApi}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Decodable`, `Encodable` [INFO] [stdout] --> src/main.rs:9:34 [INFO] [stdout] | [INFO] [stdout] 9 | use bitcoin::consensus::encode::{Decodable, Encodable}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Decoder`, `Encoder` [INFO] [stdout] --> src/main.rs:10:34 [INFO] [stdout] | [INFO] [stdout] 10 | use bitcoin::consensus::encode::{Decoder, Encoder, serialize}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `bitcoin::network::message::NetworkMessage` [INFO] [stdout] --> src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use bitcoin::network::message::NetworkMessage; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `bitcoin::network::message::RawNetworkMessage` [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use bitcoin::network::message::RawNetworkMessage; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/main.rs:136:109 [INFO] [stdout] | [INFO] [stdout] 136 | let mut stream = TcpStream::connect(node_end_point).expect("Couldn't connect to the server...");; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `matches` [INFO] [stdout] --> src/main.rs:170:17 [INFO] [stdout] | [INFO] [stdout] 170 | if let Some(matches) = matches.subcommand_matches("electrum") { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:115:17 [INFO] [stdout] | [INFO] [stdout] 115 | let mut sk = ExtendedPrivKey::new_master(network, &seed).unwrap(); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:116:17 [INFO] [stdout] | [INFO] [stdout] 116 | let mut pk = ExtendedPubKey::from_private(&secp, &sk); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:141:13 [INFO] [stdout] | [INFO] [stdout] 141 | stream.write(&decoded); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 49.51s [INFO] running `Command { std: "docker" "inspect" "bbf69ea01abda5a45dd684c706e4a15b3f766c6fc631f536835c85dc011327c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bbf69ea01abda5a45dd684c706e4a15b3f766c6fc631f536835c85dc011327c0", kill_on_drop: false }` [INFO] [stdout] bbf69ea01abda5a45dd684c706e4a15b3f766c6fc631f536835c85dc011327c0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d0ef4386611152632934ade77e786c89089697870ba85d0cb8244f79a06e7902 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "d0ef4386611152632934ade77e786c89089697870ba85d0cb8244f79a06e7902", kill_on_drop: false }` [INFO] [stderr] Compiling btc-cli v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Error` [INFO] [stdout] --> src/main.rs:8:37 [INFO] [stdout] | [INFO] [stdout] 8 | use bitcoincore_rpc::{Auth, Client, Error, RpcApi}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Decodable`, `Encodable` [INFO] [stdout] --> src/main.rs:9:34 [INFO] [stdout] | [INFO] [stdout] 9 | use bitcoin::consensus::encode::{Decodable, Encodable}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Decoder`, `Encoder` [INFO] [stdout] --> src/main.rs:10:34 [INFO] [stdout] | [INFO] [stdout] 10 | use bitcoin::consensus::encode::{Decoder, Encoder, serialize}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `bitcoin::network::message::NetworkMessage` [INFO] [stdout] --> src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use bitcoin::network::message::NetworkMessage; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `bitcoin::network::message::RawNetworkMessage` [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use bitcoin::network::message::RawNetworkMessage; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/main.rs:136:109 [INFO] [stdout] | [INFO] [stdout] 136 | let mut stream = TcpStream::connect(node_end_point).expect("Couldn't connect to the server...");; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `matches` [INFO] [stdout] --> src/main.rs:170:17 [INFO] [stdout] | [INFO] [stdout] 170 | if let Some(matches) = matches.subcommand_matches("electrum") { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:115:17 [INFO] [stdout] | [INFO] [stdout] 115 | let mut sk = ExtendedPrivKey::new_master(network, &seed).unwrap(); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:116:17 [INFO] [stdout] | [INFO] [stdout] 116 | let mut pk = ExtendedPubKey::from_private(&secp, &sk); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:141:13 [INFO] [stdout] | [INFO] [stdout] 141 | stream.write(&decoded); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.25s [INFO] running `Command { std: "docker" "inspect" "d0ef4386611152632934ade77e786c89089697870ba85d0cb8244f79a06e7902", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d0ef4386611152632934ade77e786c89089697870ba85d0cb8244f79a06e7902", kill_on_drop: false }` [INFO] [stdout] d0ef4386611152632934ade77e786c89089697870ba85d0cb8244f79a06e7902 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 47b9c446b0698883bca8a1105c28522dd14cd3f4f600971163b39360f57e9900 [INFO] running `Command { std: "docker" "start" "-a" "47b9c446b0698883bca8a1105c28522dd14cd3f4f600971163b39360f57e9900", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `Error` [INFO] [stderr] --> src/main.rs:8:37 [INFO] [stderr] | [INFO] [stderr] 8 | use bitcoincore_rpc::{Auth, Client, Error, RpcApi}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Decodable`, `Encodable` [INFO] [stderr] --> src/main.rs:9:34 [INFO] [stderr] | [INFO] [stderr] 9 | use bitcoin::consensus::encode::{Decodable, Encodable}; [INFO] [stderr] | ^^^^^^^^^ ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Decoder`, `Encoder` [INFO] [stderr] --> src/main.rs:10:34 [INFO] [stderr] | [INFO] [stderr] 10 | use bitcoin::consensus::encode::{Decoder, Encoder, serialize}; [INFO] [stderr] | ^^^^^^^ ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `bitcoin::network::message::NetworkMessage` [INFO] [stderr] --> src/main.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use bitcoin::network::message::NetworkMessage; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `bitcoin::network::message::RawNetworkMessage` [INFO] [stderr] --> src/main.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | use bitcoin::network::message::RawNetworkMessage; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/main.rs:136:109 [INFO] [stderr] | [INFO] [stderr] 136 | let mut stream = TcpStream::connect(node_end_point).expect("Couldn't connect to the server...");; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `matches` [INFO] [stderr] --> src/main.rs:170:17 [INFO] [stderr] | [INFO] [stderr] 170 | if let Some(matches) = matches.subcommand_matches("electrum") { [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:115:17 [INFO] [stderr] | [INFO] [stderr] 115 | let mut sk = ExtendedPrivKey::new_master(network, &seed).unwrap(); [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:116:17 [INFO] [stderr] | [INFO] [stderr] 116 | let mut pk = ExtendedPubKey::from_private(&secp, &sk); [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:141:13 [INFO] [stderr] | [INFO] [stderr] 141 | stream.write(&decoded); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `btc-cli` (bin "btc-cli" test) generated 10 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/btc_cli-321e2aec1f2a215c) [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" "47b9c446b0698883bca8a1105c28522dd14cd3f4f600971163b39360f57e9900", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "47b9c446b0698883bca8a1105c28522dd14cd3f4f600971163b39360f57e9900", kill_on_drop: false }` [INFO] [stdout] 47b9c446b0698883bca8a1105c28522dd14cd3f4f600971163b39360f57e9900