[INFO] cloning repository https://github.com/Arnav-panjla/BlockChain-in-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Arnav-panjla/BlockChain-in-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArnav-panjla%2FBlockChain-in-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArnav-panjla%2FBlockChain-in-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a99af55d14523612f3d9a0f53a5219d57b0983f1
[INFO] checking Arnav-panjla/BlockChain-in-Rust against try#44f3504e96c944ae54fc72b5f5008f53f7eda001 for pr-136776
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArnav-panjla%2FBlockChain-in-Rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Arnav-panjla/BlockChain-in-Rust on toolchain 44f3504e96c944ae54fc72b5f5008f53f7eda001
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Arnav-panjla/BlockChain-in-Rust
[INFO] finished tweaking git repo https://github.com/Arnav-panjla/BlockChain-in-Rust
[INFO] tweaked toml for git repo https://github.com/Arnav-panjla/BlockChain-in-Rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Arnav-panjla/BlockChain-in-Rust 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" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aef99d9056fbfa3d51d1c27adc45e74381cfc7da184a0cf8a259f773c59d730b
[INFO] running `Command { std: "docker" "start" "-a" "aef99d9056fbfa3d51d1c27adc45e74381cfc7da184a0cf8a259f773c59d730b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aef99d9056fbfa3d51d1c27adc45e74381cfc7da184a0cf8a259f773c59d730b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aef99d9056fbfa3d51d1c27adc45e74381cfc7da184a0cf8a259f773c59d730b", kill_on_drop: false }`
[INFO] [stdout] aef99d9056fbfa3d51d1c27adc45e74381cfc7da184a0cf8a259f773c59d730b
[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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eba5b038cf473a5c194cc5b4484556902f75458468a5d402c8db255f2c6542ac
[INFO] running `Command { std: "docker" "start" "-a" "eba5b038cf473a5c194cc5b4484556902f75458468a5d402c8db255f2c6542ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking rust_blockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |         if (self.system.block_number() != block.header.block_number){
[INFO] [stdout]    |            ^                                                       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 51 -         if (self.system.block_number() != block.header.block_number){
[INFO] [stdout] 51 +         if self.system.block_number() != block.header.block_number {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |         if (self.system.block_number() != block.header.block_number){
[INFO] [stdout]    |            ^                                                       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 51 -         if (self.system.block_number() != block.header.block_number){
[INFO] [stdout] 51 +         if self.system.block_number() != block.header.block_number {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:55:14
[INFO] [stdout]    |
[INFO] [stdout] 55 |         for (i, support::Extrinsic{caller, call}) in block.extrinsics.into_iter().enumerate() {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `call`
[INFO] [stdout]   --> src/main.rs:55:44
[INFO] [stdout]    |
[INFO] [stdout] 55 |         for (i, support::Extrinsic{caller, call}) in block.extrinsics.into_iter().enumerate() {
[INFO] [stdout]    |                                            ^^^^ help: try ignoring the field: `call: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `execute_block` is never used
[INFO] [stdout]   --> src/main.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl Runtime {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 47 |     fn execute_block(&mut self, block: types::Block) -> support::DispatchResult {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `transfer_balance` is never used
[INFO] [stdout]   --> src/balances.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn transfer_balance() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Block` is never constructed
[INFO] [stdout]  --> src/support.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Block<Header, Extrinsic> {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Header` is never constructed
[INFO] [stdout]  --> src/support.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Header<BlockNumber> {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Extrinsic` is never constructed
[INFO] [stdout]   --> src/support.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Extrinsic<Caller, Call> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `DispatchResult` is never used
[INFO] [stdout]   --> src/support.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub type DispatchResult = Result<(), &'static str>;
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Dispatch` is never used
[INFO] [stdout]   --> src/support.rs:18:11
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub trait Dispatch<Caller, Call> {
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Extrinsic` is never used
[INFO] [stdout]   --> src/main.rs:11:14
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub type Extrinsic = support::Extrinsic<AccountID, crate::RuntimeCall>;
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Header` is never used
[INFO] [stdout]   --> src/main.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub type Header = support::Header<BlockNumber>;
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Block` is never used
[INFO] [stdout]   --> src/main.rs:13:14
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub type Block = support::Block<Header,Extrinsic>;
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:55:14
[INFO] [stdout]    |
[INFO] [stdout] 55 |         for (i, support::Extrinsic{caller, call}) in block.extrinsics.into_iter().enumerate() {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `call`
[INFO] [stdout]   --> src/main.rs:55:44
[INFO] [stdout]    |
[INFO] [stdout] 55 |         for (i, support::Extrinsic{caller, call}) in block.extrinsics.into_iter().enumerate() {
[INFO] [stdout]    |                                            ^^^^ help: try ignoring the field: `call: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `execute_block` is never used
[INFO] [stdout]   --> src/main.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl Runtime {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 47 |     fn execute_block(&mut self, block: types::Block) -> support::DispatchResult {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Block` is never constructed
[INFO] [stdout]  --> src/support.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Block<Header, Extrinsic> {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Header` is never constructed
[INFO] [stdout]  --> src/support.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Header<BlockNumber> {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Extrinsic` is never constructed
[INFO] [stdout]   --> src/support.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Extrinsic<Caller, Call> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `DispatchResult` is never used
[INFO] [stdout]   --> src/support.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub type DispatchResult = Result<(), &'static str>;
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Dispatch` is never used
[INFO] [stdout]   --> src/support.rs:18:11
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub trait Dispatch<Caller, Call> {
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Extrinsic` is never used
[INFO] [stdout]   --> src/main.rs:11:14
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub type Extrinsic = support::Extrinsic<AccountID, crate::RuntimeCall>;
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Header` is never used
[INFO] [stdout]   --> src/main.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub type Header = support::Header<BlockNumber>;
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Block` is never used
[INFO] [stdout]   --> src/main.rs:13:14
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub type Block = support::Block<Header,Extrinsic>;
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.43s
[INFO] running `Command { std: "docker" "inspect" "eba5b038cf473a5c194cc5b4484556902f75458468a5d402c8db255f2c6542ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eba5b038cf473a5c194cc5b4484556902f75458468a5d402c8db255f2c6542ac", kill_on_drop: false }`
[INFO] [stdout] eba5b038cf473a5c194cc5b4484556902f75458468a5d402c8db255f2c6542ac
