[INFO] fetching crate witness-gateway 0.1.5...
[INFO] checking witness-gateway-0.1.5 against try#0bdee9e879c87b7211d316e9152109cfd46c576b for pr-150097
[INFO] extracting crate witness-gateway 0.1.5 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate witness-gateway 0.1.5
[INFO] finished tweaking crates.io crate witness-gateway 0.1.5
[INFO] tweaked toml for crates.io crate witness-gateway 0.1.5 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate witness-gateway 0.1.5 on toolchain 0bdee9e879c87b7211d316e9152109cfd46c576b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0bdee9e879c87b7211d316e9152109cfd46c576b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate witness-gateway 0.1.5 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" "+0bdee9e879c87b7211d316e9152109cfd46c576b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0bdee9e879c87b7211d316e9152109cfd46c576b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] caaf912ddba8b21bef5d2d64ca9b5e32d36a9ff99afff969c255e5342954d204
[INFO] running `Command { std: "docker" "start" "-a" "caaf912ddba8b21bef5d2d64ca9b5e32d36a9ff99afff969c255e5342954d204", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "caaf912ddba8b21bef5d2d64ca9b5e32d36a9ff99afff969c255e5342954d204", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caaf912ddba8b21bef5d2d64ca9b5e32d36a9ff99afff969c255e5342954d204", kill_on_drop: false }`
[INFO] [stdout] caaf912ddba8b21bef5d2d64ca9b5e32d36a9ff99afff969c255e5342954d204
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0bdee9e879c87b7211d316e9152109cfd46c576b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb14b8021ff6ad77a54a041ccfd9793cbae1187d92540e3a3790e1b2413825a6
[INFO] running `Command { std: "docker" "start" "-a" "bb14b8021ff6ad77a54a041ccfd9793cbae1187d92540e3a3790e1b2413825a6", kill_on_drop: false }`
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[INFO] [stdout] warning: unused variable: `attestation`
[INFO] [stdout]    --> src/server.rs:403:9
[INFO] [stdout]     |
[INFO] [stdout] 403 |     let attestation = server
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_attestation`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attestation`
[INFO] [stdout]    --> src/server.rs:403:9
[INFO] [stdout]     |
[INFO] [stdout] 403 |     let attestation = server
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_attestation`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `verify_batch_anchors` is never used
[INFO] [stdout]    --> src/anchor_manager.rs:205:18
[INFO] [stdout]     |
[INFO] [stdout]  18 | impl AnchorManager {
[INFO] [stdout]     | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 205 |     pub async fn verify_batch_anchors(&self, batch_id: u64) -> Result<Vec<bool>> {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `verify` is never used
[INFO] [stdout]   --> src/anchor_providers.rs:20:14
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub trait AnchorProvider: Send + Sync {
[INFO] [stdout]    |           -------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 20 |     async fn verify(&self, proof: &ExternalAnchorProof) -> Result<bool>;
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `with_url` is never used
[INFO] [stdout]   --> src/anchor_providers.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl InternetArchiveProvider {
[INFO] [stdout]    | ---------------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn with_url(base_url: String) -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EthereumProvider` is never constructed
[INFO] [stdout]    --> src/anchor_providers.rs:197:12
[INFO] [stdout]     |
[INFO] [stdout] 197 | pub struct EthereumProvider {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/anchor_providers.rs:202:18
[INFO] [stdout]     |
[INFO] [stdout] 201 | impl EthereumProvider {
[INFO] [stdout]     | --------------------- associated function in this implementation
[INFO] [stdout] 202 |     pub async fn new(rpc_url: &str, private_key: &str) -> Result<Self> {
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `trigger_batch_close` is never used
[INFO] [stdout]    --> src/batch_manager.rs:137:18
[INFO] [stdout]     |
[INFO] [stdout]  17 | impl BatchManager {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 137 |     pub async fn trigger_batch_close(&self) -> anyhow::Result<Option<AttestationBatch>> {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `config`, `storage`, and `http_client` are never read
[INFO] [stdout]   --> src/federation_client.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct FederationClient {
[INFO] [stdout]    |            ---------------- fields in this struct
[INFO] [stdout] 14 |     config: Arc<NetworkConfig>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 15 |     storage: Arc<Storage>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 16 |     http_client: Client,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `cross_anchor_batch` and `request_cross_anchor` are never used
[INFO] [stdout]   --> src/federation_client.rs:34:18
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl FederationClient {
[INFO] [stdout]    | --------------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub async fn cross_anchor_batch(&self, batch: &AttestationBatch) -> Result<Vec<CrossAnchor>> {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 97 |     async fn request_cross_anchor(
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `batch_manager` and `federation_client` are never read
[INFO] [stdout]   --> src/server.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct GatewayServer {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 27 |     batch_manager: Arc<BatchManager>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 28 |     federation_client: Arc<FederationClient>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `GatewayServer` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_batch`, `store_cross_anchor`, and `get_cross_anchors` are never used
[INFO] [stdout]    --> src/storage.rs:476:18
[INFO] [stdout]     |
[INFO] [stdout]  12 | impl Storage {
[INFO] [stdout]     | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 476 |     pub async fn get_batch(&self, batch_id: i64) -> Result<Option<AttestationBatch>> {
[INFO] [stdout]     |                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 522 |     pub async fn store_cross_anchor(&self, cross_anchor: &CrossAnchor) -> Result<()> {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 563 |     pub async fn get_cross_anchors(&self, batch_id: i64) -> Result<Vec<CrossAnchor>> {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `health_check` is never used
[INFO] [stdout]   --> src/witness_client.rs:58:18
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl WitnessClient {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub async fn health_check(&self, witness: &WitnessInfo) -> bool {
[INFO] [stdout]    |                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `verify_batch_anchors` is never used
[INFO] [stdout]    --> src/anchor_manager.rs:205:18
[INFO] [stdout]     |
[INFO] [stdout]  18 | impl AnchorManager {
[INFO] [stdout]     | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 205 |     pub async fn verify_batch_anchors(&self, batch_id: u64) -> Result<Vec<bool>> {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `verify` is never used
[INFO] [stdout]   --> src/anchor_providers.rs:20:14
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub trait AnchorProvider: Send + Sync {
[INFO] [stdout]    |           -------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 20 |     async fn verify(&self, proof: &ExternalAnchorProof) -> Result<bool>;
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `with_url` is never used
[INFO] [stdout]   --> src/anchor_providers.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl InternetArchiveProvider {
[INFO] [stdout]    | ---------------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn with_url(base_url: String) -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EthereumProvider` is never constructed
[INFO] [stdout]    --> src/anchor_providers.rs:197:12
[INFO] [stdout]     |
[INFO] [stdout] 197 | pub struct EthereumProvider {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/anchor_providers.rs:202:18
[INFO] [stdout]     |
[INFO] [stdout] 201 | impl EthereumProvider {
[INFO] [stdout]     | --------------------- associated function in this implementation
[INFO] [stdout] 202 |     pub async fn new(rpc_url: &str, private_key: &str) -> Result<Self> {
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `trigger_batch_close` is never used
[INFO] [stdout]    --> src/batch_manager.rs:137:18
[INFO] [stdout]     |
[INFO] [stdout]  17 | impl BatchManager {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 137 |     pub async fn trigger_batch_close(&self) -> anyhow::Result<Option<AttestationBatch>> {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `config`, `storage`, and `http_client` are never read
[INFO] [stdout]   --> src/federation_client.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct FederationClient {
[INFO] [stdout]    |            ---------------- fields in this struct
[INFO] [stdout] 14 |     config: Arc<NetworkConfig>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 15 |     storage: Arc<Storage>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 16 |     http_client: Client,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `cross_anchor_batch` and `request_cross_anchor` are never used
[INFO] [stdout]   --> src/federation_client.rs:34:18
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl FederationClient {
[INFO] [stdout]    | --------------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub async fn cross_anchor_batch(&self, batch: &AttestationBatch) -> Result<Vec<CrossAnchor>> {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 97 |     async fn request_cross_anchor(
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `batch_manager` and `federation_client` are never read
[INFO] [stdout]   --> src/server.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct GatewayServer {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 27 |     batch_manager: Arc<BatchManager>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 28 |     federation_client: Arc<FederationClient>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `GatewayServer` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_batch`, `store_cross_anchor`, and `get_cross_anchors` are never used
[INFO] [stdout]    --> src/storage.rs:476:18
[INFO] [stdout]     |
[INFO] [stdout]  12 | impl Storage {
[INFO] [stdout]     | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 476 |     pub async fn get_batch(&self, batch_id: i64) -> Result<Option<AttestationBatch>> {
[INFO] [stdout]     |                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 522 |     pub async fn store_cross_anchor(&self, cross_anchor: &CrossAnchor) -> Result<()> {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 563 |     pub async fn get_cross_anchors(&self, batch_id: i64) -> Result<Vec<CrossAnchor>> {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `health_check` is never used
[INFO] [stdout]   --> src/witness_client.rs:58:18
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl WitnessClient {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub async fn health_check(&self, witness: &WitnessInfo) -> bool {
[INFO] [stdout]    |                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 25s
[INFO] running `Command { std: "docker" "inspect" "bb14b8021ff6ad77a54a041ccfd9793cbae1187d92540e3a3790e1b2413825a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb14b8021ff6ad77a54a041ccfd9793cbae1187d92540e3a3790e1b2413825a6", kill_on_drop: false }`
[INFO] [stdout] bb14b8021ff6ad77a54a041ccfd9793cbae1187d92540e3a3790e1b2413825a6
