[INFO] fetching crate chainstate 0.1.0...
[INFO] checking chainstate-0.1.0 against master#9cf699d2ff4ff23a6d6862a35727f4d5d3567dae for pr-98456-1
[INFO] extracting crate chainstate 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate chainstate 0.1.0 on toolchain 9cf699d2ff4ff23a6d6862a35727f4d5d3567dae
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cf699d2ff4ff23a6d6862a35727f4d5d3567dae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chainstate 0.1.0
[INFO] finished tweaking crates.io crate chainstate 0.1.0
[INFO] tweaked toml for crates.io crate chainstate 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate chainstate 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cf699d2ff4ff23a6d6862a35727f4d5d3567dae" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+9cf699d2ff4ff23a6d6862a35727f4d5d3567dae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4657126a7ede323b9714cff4a8575d68f030c6014b477ff3f258b24db7797824
[INFO] running `Command { std: "docker" "start" "-a" "4657126a7ede323b9714cff4a8575d68f030c6014b477ff3f258b24db7797824", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4657126a7ede323b9714cff4a8575d68f030c6014b477ff3f258b24db7797824", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4657126a7ede323b9714cff4a8575d68f030c6014b477ff3f258b24db7797824", kill_on_drop: false }`
[INFO] [stdout] 4657126a7ede323b9714cff4a8575d68f030c6014b477ff3f258b24db7797824
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+9cf699d2ff4ff23a6d6862a35727f4d5d3567dae" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ecc99024247617724adb48aac2b858b632d4e4a1a73f98b3a897d8f39392cbf
[INFO] running `Command { std: "docker" "start" "-a" "7ecc99024247617724adb48aac2b858b632d4e4a1a73f98b3a897d8f39392cbf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
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[INFO] [stdout] warning: fields `base_fee_per_gas`, `difficulty`, `size`, `timestamp`, `total_difficulty` and `transactions` are never read
[INFO] [stdout]   --> src/chainstate.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 81 | struct RpcResponseBlockInfo {
[INFO] [stdout]    |        -------------------- fields in this struct
[INFO] [stdout] 82 |     pub base_fee_per_gas: Option<U256>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 83 |     pub difficulty: U256,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |     pub size: U256,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 90 |     pub timestamp: U256,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 91 |     pub total_difficulty: U256,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 92 |     pub transactions: Vec<H256>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: `RpcResponseBlockInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `block_hash`, `block_number`, `cumulative_gas_used`, `from`, `to` and `transaction_index` are never read
[INFO] [stdout]    --> src/chainstate.rs:108:5
[INFO] [stdout]     |
[INFO] [stdout] 107 | struct RpcResponseBlockReceiptsInfo {
[INFO] [stdout]     |        ---------------------------- fields in this struct
[INFO] [stdout] 108 |     pub block_hash: H256,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 109 |     pub block_number: U256,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 110 |     pub contract_address: Option<H160>,
[INFO] [stdout] 111 |     pub cumulative_gas_used: U256,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 112 |     pub effective_gas_price: U256,
[INFO] [stdout] 113 |     pub from: H160,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 117 |     pub to: Option<H160>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 118 |     pub transaction_hash: H256,
[INFO] [stdout] 119 |     pub transaction_index: U256,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `RpcResponseBlockReceiptsInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `code` is never read
[INFO] [stdout]    --> src/chainstate.rs:124:5
[INFO] [stdout]     |
[INFO] [stdout] 123 | struct RpcError {
[INFO] [stdout]     |        -------- field in this struct
[INFO] [stdout] 124 |     pub code: i32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `RpcError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]    --> src/chainstate.rs:130:5
[INFO] [stdout]     |
[INFO] [stdout] 129 | struct RpcErrorResponse {
[INFO] [stdout]     |        ---------------- field in this struct
[INFO] [stdout] 130 |     pub id: serde_json::Value,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `RpcErrorResponse` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]    --> src/chainstate.rs:175:5
[INFO] [stdout]     |
[INFO] [stdout] 174 | struct RpcResponse<T> {
[INFO] [stdout]     |        ----------- field in this struct
[INFO] [stdout] 175 |     pub id: serde_json::Value,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `RpcResponse` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `base_fee_per_gas`, `difficulty`, `size`, `timestamp`, `total_difficulty` and `transactions` are never read
[INFO] [stdout]   --> src/chainstate.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 81 | struct RpcResponseBlockInfo {
[INFO] [stdout]    |        -------------------- fields in this struct
[INFO] [stdout] 82 |     pub base_fee_per_gas: Option<U256>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 83 |     pub difficulty: U256,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |     pub size: U256,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 90 |     pub timestamp: U256,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 91 |     pub total_difficulty: U256,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 92 |     pub transactions: Vec<H256>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: `RpcResponseBlockInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `block_hash`, `block_number`, `cumulative_gas_used`, `from`, `to` and `transaction_index` are never read
[INFO] [stdout]    --> src/chainstate.rs:108:5
[INFO] [stdout]     |
[INFO] [stdout] 107 | struct RpcResponseBlockReceiptsInfo {
[INFO] [stdout]     |        ---------------------------- fields in this struct
[INFO] [stdout] 108 |     pub block_hash: H256,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 109 |     pub block_number: U256,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 110 |     pub contract_address: Option<H160>,
[INFO] [stdout] 111 |     pub cumulative_gas_used: U256,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 112 |     pub effective_gas_price: U256,
[INFO] [stdout] 113 |     pub from: H160,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 117 |     pub to: Option<H160>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 118 |     pub transaction_hash: H256,
[INFO] [stdout] 119 |     pub transaction_index: U256,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `RpcResponseBlockReceiptsInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `code` is never read
[INFO] [stdout]    --> src/chainstate.rs:124:5
[INFO] [stdout]     |
[INFO] [stdout] 123 | struct RpcError {
[INFO] [stdout]     |        -------- field in this struct
[INFO] [stdout] 124 |     pub code: i32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `RpcError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]    --> src/chainstate.rs:130:5
[INFO] [stdout]     |
[INFO] [stdout] 129 | struct RpcErrorResponse {
[INFO] [stdout]     |        ---------------- field in this struct
[INFO] [stdout] 130 |     pub id: serde_json::Value,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `RpcErrorResponse` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]    --> src/chainstate.rs:175:5
[INFO] [stdout]     |
[INFO] [stdout] 174 | struct RpcResponse<T> {
[INFO] [stdout]     |        ----------- field in this struct
[INFO] [stdout] 175 |     pub id: serde_json::Value,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `RpcResponse` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 21s
[INFO] running `Command { std: "docker" "inspect" "7ecc99024247617724adb48aac2b858b632d4e4a1a73f98b3a897d8f39392cbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ecc99024247617724adb48aac2b858b632d4e4a1a73f98b3a897d8f39392cbf", kill_on_drop: false }`
[INFO] [stdout] 7ecc99024247617724adb48aac2b858b632d4e4a1a73f98b3a897d8f39392cbf