[INFO] fetching crate bitcoin-sdk 0.2.0...
[INFO] checking bitcoin-sdk-0.2.0 against try#38c2997544af84fe301d600d6896397738163002 for pr-154205-1
[INFO] extracting crate bitcoin-sdk 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate bitcoin-sdk 0.2.0
[INFO] finished tweaking crates.io crate bitcoin-sdk 0.2.0
[INFO] tweaked toml for crates.io crate bitcoin-sdk 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate bitcoin-sdk 0.2.0 on toolchain 38c2997544af84fe301d600d6896397738163002
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38c2997544af84fe301d600d6896397738163002" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate bitcoin-sdk 0.2.0 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" "+38c2997544af84fe301d600d6896397738163002" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr] [FMTARGS] {"crate":"bitcoin_sdk","loc":"src/lib.rs:296:31","p":1,"ph":1,"wa":0,"pa":0,"a":1,"pos":1,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[INFO] [stderr] [FMTARGS] {"crate":"bitcoin_sdk","loc":"src/lib.rs:302:35","p":2,"ph":2,"wa":0,"pa":0,"a":2,"pos":2,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":2,"a_opt":2,"sz_no_dedup":32,"sz_old":32,"sz_opt":32}
[INFO] [stdout] warning: struct `Serialization` is never constructed
[INFO] [stdout]  --> src/serialization.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Serialization;
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `serialize_varint`, `deserialize_varint`, `serialize_string`, `calculate_txid`, and `verify_merkle_root` are never used
[INFO] [stdout]   --> src/serialization.rs:8:12
[INFO] [stdout]    |
[INFO] [stdout]  6 | impl Serialization {
[INFO] [stdout]    | ------------------ associated functions in this implementation
[INFO] [stdout]  7 |     // Serializing variable-length integers
[INFO] [stdout]  8 |     pub fn serialize_varint(value: u64) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn deserialize_varint(data: &[u8]) -> Result<(u64, usize)> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     pub fn serialize_string(s: &str) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     pub fn calculate_txid(tx_hex: &str) -> Result<String> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     pub fn verify_merkle_root(tx_hashes: &[String], merkle_root: &str) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Serialization` is never constructed
[INFO] [stdout]  --> src/serialization.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Serialization;
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `serialize_varint`, `deserialize_varint`, `serialize_string`, `calculate_txid`, and `verify_merkle_root` are never used
[INFO] [stdout]   --> src/serialization.rs:8:12
[INFO] [stdout]    |
[INFO] [stdout]  6 | impl Serialization {
[INFO] [stdout]    | ------------------ associated functions in this implementation
[INFO] [stdout]  7 |     // Serializing variable-length integers
[INFO] [stdout]  8 |     pub fn serialize_varint(value: u64) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn deserialize_varint(data: &[u8]) -> Result<(u64, usize)> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     pub fn serialize_string(s: &str) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     pub fn calculate_txid(tx_hex: &str) -> Result<String> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     pub fn verify_merkle_root(tx_hashes: &[String], merkle_root: &str) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 50.16s
[INFO] running `Command { std: "docker" "inspect" "2cea81582f78af99e2a9af6bb4424c2955f7944ca16e26e5390ced5d2c8931d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cea81582f78af99e2a9af6bb4424c2955f7944ca16e26e5390ced5d2c8931d9", kill_on_drop: false }`
[INFO] [stdout] 2cea81582f78af99e2a9af6bb4424c2955f7944ca16e26e5390ced5d2c8931d9