[INFO] fetching crate groestlcoincore-rpc 0.18.0...
[INFO] checking groestlcoincore-rpc-0.18.0 against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] extracting crate groestlcoincore-rpc 0.18.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate groestlcoincore-rpc 0.18.0
[INFO] finished tweaking crates.io crate groestlcoincore-rpc 0.18.0
[INFO] tweaked toml for crates.io crate groestlcoincore-rpc 0.18.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate groestlcoincore-rpc 0.18.0 on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate groestlcoincore-rpc 0.18.0 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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a5aadbcb112b64187299a05d3a52dd2a808604a4431adf400bce3ab467c4b6d
[INFO] running `Command { std: "docker" "start" "-a" "5a5aadbcb112b64187299a05d3a52dd2a808604a4431adf400bce3ab467c4b6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a5aadbcb112b64187299a05d3a52dd2a808604a4431adf400bce3ab467c4b6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a5aadbcb112b64187299a05d3a52dd2a808604a4431adf400bce3ab467c4b6d", kill_on_drop: false }`
[INFO] [stdout] 5a5aadbcb112b64187299a05d3a52dd2a808604a4431adf400bce3ab467c4b6d
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f9878292aa7ce2d61cdefd7fcd3b1c50210d6a6c8dbcbd1b2431a6875e0d350
[INFO] running `Command { std: "docker" "start" "-a" "5f9878292aa7ce2d61cdefd7fcd3b1c50210d6a6c8dbcbd1b2431a6875e0d350", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling groestlcoin-internals v0.2.0
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]    Compiling hex_lit v0.1.1
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]    Compiling groestlcoin v0.31.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking hex-conservative v0.1.1
[INFO] [stderr]     Checking groestl v0.10.1
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]     Checking bech32grs v0.10.0-beta
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking getrandom v0.2.12
[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 tempfile v3.10.0
[INFO] [stderr]    Compiling secp256k1-sys v0.9.2
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]     Checking groestlcoin_hashes v0.13.0
[INFO] [stderr]     Checking secp256k1 v0.28.2
[INFO] [stderr]     Checking jsonrpc v0.14.1
[INFO] [stderr]     Checking groestlcoincore-rpc-json v0.18.0
[INFO] [stderr]     Checking groestlcoincore-rpc v0.18.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: struct `RetryClient` is never constructed
[INFO] [stdout]   --> examples/retry_client.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct RetryClient {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `groestlcoincore-rpc` (example "retry_client") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5f9878292aa7ce2d61cdefd7fcd3b1c50210d6a6c8dbcbd1b2431a6875e0d350", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f9878292aa7ce2d61cdefd7fcd3b1c50210d6a6c8dbcbd1b2431a6875e0d350", kill_on_drop: false }`
[INFO] [stdout] 5f9878292aa7ce2d61cdefd7fcd3b1c50210d6a6c8dbcbd1b2431a6875e0d350
