[INFO] fetching crate btc-cli 0.1.1...
[INFO] checking btc-cli-0.1.1 against try#8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f for pr-114559
[INFO] extracting crate btc-cli 0.1.1 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate btc-cli 0.1.1 on toolchain 8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "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-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 688535e7d7e692ebf73e3564e3223218e59610999bde61fdfb46329426e5e610
[INFO] running `Command { std: "docker" "start" "-a" "688535e7d7e692ebf73e3564e3223218e59610999bde61fdfb46329426e5e610", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "688535e7d7e692ebf73e3564e3223218e59610999bde61fdfb46329426e5e610", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "688535e7d7e692ebf73e3564e3223218e59610999bde61fdfb46329426e5e610", kill_on_drop: false }`
[INFO] [stdout] 688535e7d7e692ebf73e3564e3223218e59610999bde61fdfb46329426e5e610
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b084f6751d8d8bca57c064ab0c7d854746fab0738c7d0abed06a259f9b2ebcef
[INFO] running `Command { std: "docker" "start" "-a" "b084f6751d8d8bca57c064ab0c7d854746fab0738c7d0abed06a259f9b2ebcef", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling cc v1.0.26
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking bech32 v0.6.0
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking serde_test v1.0.176
[INFO] [stderr]     Checking bitcoin_hashes v0.3.2
[INFO] [stderr]     Checking strason v0.4.0
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking bitcoin-bech32 v0.9.0
[INFO] [stderr]     Checking bitcoin-amount v0.1.4
[INFO] [stderr]     Checking libc v0.1.12
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking termios v0.0.5
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking rpassword v0.0.4
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling secp256k1 v0.12.2
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking jsonrpc v0.11.0
[INFO] [stderr]     Checking bitcoin v0.18.2
[INFO] [stderr]     Checking bitcoincore-rpc-json v0.6.0
[INFO] [stderr]     Checking bitcoincore-rpc v0.6.0
[INFO] [stderr]     Checking 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 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: `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 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::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: 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: 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: 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: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: 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: 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] 141 |             let _ = stream.write(&decoded);
[INFO] [stdout]     |             +++++++
[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: 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] 141 |             let _ = stream.write(&decoded);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.92s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: traitobject v0.1.0
[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" "b084f6751d8d8bca57c064ab0c7d854746fab0738c7d0abed06a259f9b2ebcef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b084f6751d8d8bca57c064ab0c7d854746fab0738c7d0abed06a259f9b2ebcef", kill_on_drop: false }`
[INFO] [stdout] b084f6751d8d8bca57c064ab0c7d854746fab0738c7d0abed06a259f9b2ebcef
