[INFO] updating cached repository https://github.com/CJones217/rusty_chain
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3600d505210b966efcc07194e45f241726a29921
[INFO] checking CJones217/rusty_chain against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCJones217%2Frusty_chain" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CJones217/rusty_chain on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/CJones217/rusty_chain
[INFO] finished tweaking git repo https://github.com/CJones217/rusty_chain
[INFO] tweaked toml for git repo https://github.com/CJones217/rusty_chain written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/CJones217/rusty_chain already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: unused manifest key: lib.psth
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 45e5e533103d1fd08668a7aed88dbdc48a1f5c4b43f3f76a92f46cf1571058a9
[INFO] running `"docker" "start" "-a" "45e5e533103d1fd08668a7aed88dbdc48a1f5c4b43f3f76a92f46cf1571058a9"`
[INFO] [stderr] warning: unused manifest key: lib.psth
[INFO] [stderr]     Checking crypto-hash v0.3.4
[INFO] [stderr]     Checking rusty_chain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `hex::*`
[INFO] [stderr]  --> src/block.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use hex::*;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `timeStamp` should have a snake case name
[INFO] [stderr]  --> src/block.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub timeStamp: u128 , //time block is created
[INFO] [stderr]   |         ^^^^^^^^^ help: convert the identifier to snake case: `time_stamp`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `lastBlockHash` should have a snake case name
[INFO] [stderr]   --> src/block.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub lastBlockHash: BlockHash, //hash of the previous block in blockchain
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: convert the identifier to snake case: `last_block_hash`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `timeStamp` should have a snake case name
[INFO] [stderr]   --> src/block.rs:25:28
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn new(index: u32, timeStamp: u128, lastBlockHash: BlockHash, nonce: u32, payload: String) -> Self{
[INFO] [stderr]    |                            ^^^^^^^^^ help: convert the identifier to snake case: `time_stamp`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `lastBlockHash` should have a snake case name
[INFO] [stderr]   --> src/block.rs:25:45
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn new(index: u32, timeStamp: u128, lastBlockHash: BlockHash, nonce: u32, payload: String) -> Self{
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^ help: convert the identifier to snake case: `last_block_hash`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `hex::*`
[INFO] [stderr]  --> src/block.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use hex::*;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `timeStamp` should have a snake case name
[INFO] [stderr]  --> src/block.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub timeStamp: u128 , //time block is created
[INFO] [stderr]   |         ^^^^^^^^^ help: convert the identifier to snake case: `time_stamp`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `lastBlockHash` should have a snake case name
[INFO] [stderr]   --> src/block.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub lastBlockHash: BlockHash, //hash of the previous block in blockchain
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: convert the identifier to snake case: `last_block_hash`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `timeStamp` should have a snake case name
[INFO] [stderr]   --> src/block.rs:25:28
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn new(index: u32, timeStamp: u128, lastBlockHash: BlockHash, nonce: u32, payload: String) -> Self{
[INFO] [stderr]    |                            ^^^^^^^^^ help: convert the identifier to snake case: `time_stamp`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `lastBlockHash` should have a snake case name
[INFO] [stderr]   --> src/block.rs:25:45
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn new(index: u32, timeStamp: u128, lastBlockHash: BlockHash, nonce: u32, payload: String) -> Self{
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^ help: convert the identifier to snake case: `last_block_hash`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.65s
[INFO] running `"docker" "inspect" "45e5e533103d1fd08668a7aed88dbdc48a1f5c4b43f3f76a92f46cf1571058a9"`
[INFO] running `"docker" "rm" "-f" "45e5e533103d1fd08668a7aed88dbdc48a1f5c4b43f3f76a92f46cf1571058a9"`
[INFO] [stdout] 45e5e533103d1fd08668a7aed88dbdc48a1f5c4b43f3f76a92f46cf1571058a9