[INFO] cloning repository https://github.com/milkshakeWaves/rust-chain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/milkshakeWaves/rust-chain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmilkshakeWaves%2Frust-chain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmilkshakeWaves%2Frust-chain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8f12ccbc5a19780c57d294119444996ba4ae4a3a
[INFO] checking milkshakeWaves/rust-chain against try#1bd50d4315eb15970d395b6be5823f9384707693 for pr-140151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmilkshakeWaves%2Frust-chain" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/milkshakeWaves/rust-chain on toolchain 1bd50d4315eb15970d395b6be5823f9384707693
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1bd50d4315eb15970d395b6be5823f9384707693" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/milkshakeWaves/rust-chain
[INFO] finished tweaking git repo https://github.com/milkshakeWaves/rust-chain
[INFO] tweaked toml for git repo https://github.com/milkshakeWaves/rust-chain written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/milkshakeWaves/rust-chain 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" "+1bd50d4315eb15970d395b6be5823f9384707693" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1bd50d4315eb15970d395b6be5823f9384707693" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48d1521dfceafe3e4e3defe1aa1e97f71b59674fb244a8e9c5344d272a97661e
[INFO] running `Command { std: "docker" "start" "-a" "48d1521dfceafe3e4e3defe1aa1e97f71b59674fb244a8e9c5344d272a97661e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48d1521dfceafe3e4e3defe1aa1e97f71b59674fb244a8e9c5344d272a97661e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48d1521dfceafe3e4e3defe1aa1e97f71b59674fb244a8e9c5344d272a97661e", kill_on_drop: false }`
[INFO] [stdout] 48d1521dfceafe3e4e3defe1aa1e97f71b59674fb244a8e9c5344d272a97661e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1bd50d4315eb15970d395b6be5823f9384707693" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 541dce60abddefff05a0895732f8dab1c80e38d8006acf9b17a0d46771d017ef
[INFO] running `Command { std: "docker" "start" "-a" "541dce60abddefff05a0895732f8dab1c80e38d8006acf9b17a0d46771d017ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling serde v1.0.192
[INFO] [stderr]    Compiling bitcoin-internals v0.2.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking hex-conservative v0.1.1
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking iana-time-zone v0.1.58
[INFO] [stderr]     Checking cpufeatures v0.2.11
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking bitcoin_hashes v0.13.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]    Compiling secp256k1-sys v0.9.0
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]    Compiling serde_derive v1.0.192
[INFO] [stderr]     Checking secp256k1 v0.28.0
[INFO] [stderr]     Checking rust-chain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::ptr::null`
[INFO] [stdout]   --> src/core/memory_pool.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |     use std::ptr::null;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/core/errors.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn from(err: FromHexError) -> AppendToHistoryError {
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/core/errors.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn from(err: FromHexError) -> TransactionValidationError {
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MemPool` is never constructed
[INFO] [stdout]  --> src/core/memory_pool.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct MemPool {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/core/memory_pool.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl MemPool {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 12 |     pub fn new(max_cap: usize) -> MemPool {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn add_tx(&mut self, tx: Transaction) -> Result<(), TransactionValidationError> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn take_txs_w_limit(&mut self, limit: usize) -> Vec<Transaction> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn get_tx(&self, nonce: &str) -> Option<&Transaction> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn evict_tx(&mut self) -> Option<Transaction> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     pub fn remove_tx(&mut self, nonce: &str) -> Option<Transaction> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Wallet` is never constructed
[INFO] [stdout]  --> src/core/wallet.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Wallet {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `add_key_pair`, and `get_public_keys` are never used
[INFO] [stdout]   --> src/core/wallet.rs:9:12
[INFO] [stdout]    |
[INFO] [stdout] 8  | impl Wallet {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 9  |     pub fn new() -> Wallet {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub fn add_key_pair(&mut self, key_pair: WalletKeyPair) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn get_public_keys(&self) -> Vec<&PublicKey> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/core/errors.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn from(err: FromHexError) -> AppendToHistoryError {
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/core/errors.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn from(err: FromHexError) -> TransactionValidationError {
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.24s
[INFO] running `Command { std: "docker" "inspect" "541dce60abddefff05a0895732f8dab1c80e38d8006acf9b17a0d46771d017ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "541dce60abddefff05a0895732f8dab1c80e38d8006acf9b17a0d46771d017ef", kill_on_drop: false }`
[INFO] [stdout] 541dce60abddefff05a0895732f8dab1c80e38d8006acf9b17a0d46771d017ef