[INFO] cloning repository https://github.com/eatbreads/bitcoin_demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eatbreads/bitcoin_demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Featbreads%2Fbitcoin_demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Featbreads%2Fbitcoin_demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ca479b02aca3505d423aeb132d91e1dce439537b
[INFO] checking eatbreads/bitcoin_demo against try#b98202ad067d72e45cec8be3d5c15d86ef0fd086 for pr-155193
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Featbreads%2Fbitcoin_demo" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/eatbreads/bitcoin_demo
[INFO] finished tweaking git repo https://github.com/eatbreads/bitcoin_demo
[INFO] tweaked toml for git repo https://github.com/eatbreads/bitcoin_demo written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/eatbreads/bitcoin_demo on toolchain b98202ad067d72e45cec8be3d5c15d86ef0fd086
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b98202ad067d72e45cec8be3d5c15d86ef0fd086" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/eatbreads/bitcoin_demo 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" "+b98202ad067d72e45cec8be3d5c15d86ef0fd086" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking eatbreads/bitcoin_demo against try#b98202ad067d72e45cec8be3d5c15d86ef0fd086 for pr-155193
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Featbreads%2Fbitcoin_demo" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/eatbreads/bitcoin_demo
[INFO] finished tweaking git repo https://github.com/eatbreads/bitcoin_demo
[INFO] tweaked toml for git repo https://github.com/eatbreads/bitcoin_demo written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/eatbreads/bitcoin_demo on toolchain b98202ad067d72e45cec8be3d5c15d86ef0fd086
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b98202ad067d72e45cec8be3d5c15d86ef0fd086" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/eatbreads/bitcoin_demo 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" "+b98202ad067d72e45cec8be3d5c15d86ef0fd086" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded merkle-cbt v0.2.2
[INFO] [stderr]   Downloaded bitcoincash-addr v0.5.2
[INFO] [stderr]   Downloaded bitcoin_hashes v0.7.6
[INFO] [stderr]   Downloaded clap v2.33.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b98202ad067d72e45cec8be3d5c15d86ef0fd086" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32229d63cbc41c3fb613c8be41ade7cd79f927e97c6a7e2dfd8fa58d118a2c7e
[INFO] running `Command { std: "docker" "start" "-a" "32229d63cbc41c3fb613c8be41ade7cd79f927e97c6a7e2dfd8fa58d118a2c7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32229d63cbc41c3fb613c8be41ade7cd79f927e97c6a7e2dfd8fa58d118a2c7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32229d63cbc41c3fb613c8be41ade7cd79f927e97c6a7e2dfd8fa58d118a2c7e", kill_on_drop: false }`
[INFO] [stdout] 32229d63cbc41c3fb613c8be41ade7cd79f927e97c6a7e2dfd8fa58d118a2c7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b98202ad067d72e45cec8be3d5c15d86ef0fd086" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ab2ed9ad1bce0a2cb76476ab01fc6e81fd1ab66322579e90fa6fd1d138cb011
[INFO] running `Command { std: "docker" "start" "-a" "8ab2ed9ad1bce0a2cb76476ab01fc6e81fd1ab66322579e90fa6fd1d138cb011", kill_on_drop: false }`
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]     Checking gimli v0.31.1
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking miniz_oxide v0.8.8
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]     Checking bitcoin_hashes v0.7.6
[INFO] [stderr]     Checking clap v2.33.4
[INFO] [stderr]     Checking chrono v0.4.40
[INFO] [stderr]     Checking merkle-cbt v0.2.2
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking sled v0.34.7
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking addr2line v0.24.2
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking bitcoincash-addr v0.5.2
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking backtrace v0.3.74
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking blockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `balance`
[INFO] [stdout]   --> src/cli.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |                 let balance = cmd_get_balance(address)?;
[INFO] [stdout]    |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_balance`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `count`
[INFO] [stdout]   --> src/cli.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |             let count = cmd_reindex()?;
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `count_transactions` is never used
[INFO] [stdout]   --> src/utxoset.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl UTXOSet {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub fn count_transactions(&self) -> Result<i32> {
[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 function `send_transaction` is never used
[INFO] [stdout]    --> src/server.rs:135:12
[INFO] [stdout]     |
[INFO] [stdout]  83 | impl Server {
[INFO] [stdout]     | ----------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 135 |     pub fn send_transaction(tx: &Transaction, utxoset: UTXOSet) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/blockchain.rs:84:17
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn iter(&self) -> BlockchainIterator {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn iter(&self) -> BlockchainIterator<'_> {
[INFO] [stdout]    |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `balance`
[INFO] [stdout]   --> src/cli.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |                 let balance = cmd_get_balance(address)?;
[INFO] [stdout]    |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_balance`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `count`
[INFO] [stdout]   --> src/cli.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |             let count = cmd_reindex()?;
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `count_transactions` is never used
[INFO] [stdout]   --> src/utxoset.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl UTXOSet {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub fn count_transactions(&self) -> Result<i32> {
[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 function `send_transaction` is never used
[INFO] [stdout]    --> src/server.rs:135:12
[INFO] [stdout]     |
[INFO] [stdout]  83 | impl Server {
[INFO] [stdout]     | ----------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 135 |     pub fn send_transaction(tx: &Transaction, utxoset: UTXOSet) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/blockchain.rs:84:17
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn iter(&self) -> BlockchainIterator {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn iter(&self) -> BlockchainIterator<'_> {
[INFO] [stdout]    |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.59s
[INFO] running `Command { std: "docker" "inspect" "8ab2ed9ad1bce0a2cb76476ab01fc6e81fd1ab66322579e90fa6fd1d138cb011", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ab2ed9ad1bce0a2cb76476ab01fc6e81fd1ab66322579e90fa6fd1d138cb011", kill_on_drop: false }`
[INFO] [stdout] 8ab2ed9ad1bce0a2cb76476ab01fc6e81fd1ab66322579e90fa6fd1d138cb011
