[INFO] cloning repository https://github.com/IconTheGreat/my-chain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/IconTheGreat/my-chain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIconTheGreat%2Fmy-chain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIconTheGreat%2Fmy-chain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e2fc0f6c7dea256a59895e581a9d7b5834c56f2a
[INFO] testing IconTheGreat/my-chain against master#198328ad7960b1bece0dc48496bff6c62dd5d339 for pr-149852
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIconTheGreat%2Fmy-chain" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/IconTheGreat/my-chain
[INFO] finished tweaking git repo https://github.com/IconTheGreat/my-chain
[INFO] tweaked toml for git repo https://github.com/IconTheGreat/my-chain written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/IconTheGreat/my-chain on toolchain 198328ad7960b1bece0dc48496bff6c62dd5d339
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+198328ad7960b1bece0dc48496bff6c62dd5d339" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/IconTheGreat/my-chain 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" "+198328ad7960b1bece0dc48496bff6c62dd5d339" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cfg-if v1.0.3
[INFO] [stderr]   Downloaded unicode-ident v1.0.19
[INFO] [stderr]   Downloaded signature v1.6.4
[INFO] [stderr]   Downloaded block-buffer v0.9.0
[INFO] [stderr]   Downloaded digest v0.9.0
[INFO] [stderr]   Downloaded ed25519 v1.5.3
[INFO] [stderr]   Downloaded serde v1.0.226
[INFO] [stderr]   Downloaded proc-macro2 v1.0.101
[INFO] [stderr]   Downloaded serde_derive v1.0.226
[INFO] [stderr]   Downloaded serde_core v1.0.226
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.27
[INFO] [stderr]   Downloaded sha2 v0.9.9
[INFO] [stderr]   Downloaded zerocopy v0.8.27
[INFO] [stderr]   Downloaded ed25519-dalek-fiat v0.1.0
[INFO] [stderr]   Downloaded sha2 v0.10.9
[INFO] [stderr]   Downloaded wasi v0.11.1+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded syn v2.0.106
[INFO] [stderr]   Downloaded curve25519-dalek-fiat v0.1.0
[INFO] [stderr]   Downloaded libc v0.2.176
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+198328ad7960b1bece0dc48496bff6c62dd5d339" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5aa99c08ddc7f053ab6ffc7263c6f932f4f98cc11548d78b0a34aa408265085c
[INFO] running `Command { std: "docker" "start" "-a" "5aa99c08ddc7f053ab6ffc7263c6f932f4f98cc11548d78b0a34aa408265085c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5aa99c08ddc7f053ab6ffc7263c6f932f4f98cc11548d78b0a34aa408265085c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5aa99c08ddc7f053ab6ffc7263c6f932f4f98cc11548d78b0a34aa408265085c", kill_on_drop: false }`
[INFO] [stdout] 5aa99c08ddc7f053ab6ffc7263c6f932f4f98cc11548d78b0a34aa408265085c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+198328ad7960b1bece0dc48496bff6c62dd5d339" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 945fe920a5af7397af2f146b315f2ffe883769df5260d37a148b3f0c69a8dd36
[INFO] running `Command { std: "docker" "start" "-a" "945fe920a5af7397af2f146b315f2ffe883769df5260d37a148b3f0c69a8dd36", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling serde_core v1.0.226
[INFO] [stderr]    Compiling cpufeatures v0.2.17
[INFO] [stderr]    Compiling serde v1.0.226
[INFO] [stderr]    Compiling opaque-debug v0.3.1
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling signature v1.6.4
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling ed25519 v1.5.3
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha2 v0.9.9
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling curve25519-dalek-fiat v0.1.0
[INFO] [stderr]    Compiling ed25519-dalek-fiat v0.1.0
[INFO] [stderr]    Compiling mini_blockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `PublicKey`, `SecretKey`, and `Verifier`
[INFO] [stdout]  --> src/wallet.rs:1:35
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ed25519_dalek_fiat::{Keypair, PublicKey, SecretKey, Signature, Signer, Verifier};
[INFO] [stdout]   |                                   ^^^^^^^^^  ^^^^^^^^^                     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/block.rs:18:16
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn new(index: u64, data: Vec<Transaction>, prev_blockhash: String) -> Self {
[INFO] [stdout]    |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/transaction.rs:3:9
[INFO] [stdout]    |
[INFO] [stdout]  2 | pub struct Transaction {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout]  3 |     pub nonce: u8,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]  4 |     pub gas_price: u64,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]  5 |     pub gas: u64,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]  6 |     pub to: String,
[INFO] [stdout]    |         ^^
[INFO] [stdout]  7 |     pub value: u64,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]  8 |     pub v: String,
[INFO] [stdout]    |         ^
[INFO] [stdout]  9 |     pub r: String,
[INFO] [stdout]    |         ^
[INFO] [stdout] 10 |     pub s: String,
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Transaction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.14s
[INFO] running `Command { std: "docker" "inspect" "945fe920a5af7397af2f146b315f2ffe883769df5260d37a148b3f0c69a8dd36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "945fe920a5af7397af2f146b315f2ffe883769df5260d37a148b3f0c69a8dd36", kill_on_drop: false }`
[INFO] [stdout] 945fe920a5af7397af2f146b315f2ffe883769df5260d37a148b3f0c69a8dd36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+198328ad7960b1bece0dc48496bff6c62dd5d339" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b5eaaee5b304635725aa844d1fa53a97f4de5ad9948365868c1278ad41cbddd
[INFO] running `Command { std: "docker" "start" "-a" "5b5eaaee5b304635725aa844d1fa53a97f4de5ad9948365868c1278ad41cbddd", kill_on_drop: false }`
[INFO] [stderr]    Compiling mini_blockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `PublicKey`, `SecretKey`, and `Verifier`
[INFO] [stdout]  --> src/wallet.rs:1:35
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ed25519_dalek_fiat::{Keypair, PublicKey, SecretKey, Signature, Signer, Verifier};
[INFO] [stdout]   |                                   ^^^^^^^^^  ^^^^^^^^^                     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/block.rs:18:16
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn new(index: u64, data: Vec<Transaction>, prev_blockhash: String) -> Self {
[INFO] [stdout]    |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/transaction.rs:3:9
[INFO] [stdout]    |
[INFO] [stdout]  2 | pub struct Transaction {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout]  3 |     pub nonce: u8,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]  4 |     pub gas_price: u64,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]  5 |     pub gas: u64,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]  6 |     pub to: String,
[INFO] [stdout]    |         ^^
[INFO] [stdout]  7 |     pub value: u64,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]  8 |     pub v: String,
[INFO] [stdout]    |         ^
[INFO] [stdout]  9 |     pub r: String,
[INFO] [stdout]    |         ^
[INFO] [stdout] 10 |     pub s: String,
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Transaction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "5b5eaaee5b304635725aa844d1fa53a97f4de5ad9948365868c1278ad41cbddd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b5eaaee5b304635725aa844d1fa53a97f4de5ad9948365868c1278ad41cbddd", kill_on_drop: false }`
[INFO] [stdout] 5b5eaaee5b304635725aa844d1fa53a97f4de5ad9948365868c1278ad41cbddd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+198328ad7960b1bece0dc48496bff6c62dd5d339" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d6e7ea24a167fa6d87517edc99f9b79c92b9fbe01e6a39210c58f61aeb7c62af
[INFO] running `Command { std: "docker" "start" "-a" "d6e7ea24a167fa6d87517edc99f9b79c92b9fbe01e6a39210c58f61aeb7c62af", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `PublicKey`, `SecretKey`, and `Verifier`
[INFO] [stderr]  --> src/wallet.rs:1:35
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ed25519_dalek_fiat::{Keypair, PublicKey, SecretKey, Signature, Signer, Verifier};
[INFO] [stderr]   |                                   ^^^^^^^^^  ^^^^^^^^^                     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]   --> src/block.rs:18:16
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn new(index: u64, data: Vec<Transaction>, prev_blockhash: String) -> Self {
[INFO] [stderr]    |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: multiple fields are never read
[INFO] [stderr]   --> src/transaction.rs:3:9
[INFO] [stderr]    |
[INFO] [stderr]  2 | pub struct Transaction {
[INFO] [stderr]    |            ----------- fields in this struct
[INFO] [stderr]  3 |     pub nonce: u8,
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr]  4 |     pub gas_price: u64,
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr]  5 |     pub gas: u64,
[INFO] [stderr]    |         ^^^
[INFO] [stderr]  6 |     pub to: String,
[INFO] [stderr]    |         ^^
[INFO] [stderr]  7 |     pub value: u64,
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr]  8 |     pub v: String,
[INFO] [stderr]    |         ^
[INFO] [stderr]  9 |     pub r: String,
[INFO] [stderr]    |         ^
[INFO] [stderr] 10 |     pub s: String,
[INFO] [stderr]    |         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Transaction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mini_blockchain` (bin "mini_blockchain" test) generated 3 warnings (run `cargo fix --bin "mini_blockchain" -p mini_blockchain --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mini_blockchain-f29625c31595eeea)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d6e7ea24a167fa6d87517edc99f9b79c92b9fbe01e6a39210c58f61aeb7c62af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6e7ea24a167fa6d87517edc99f9b79c92b9fbe01e6a39210c58f61aeb7c62af", kill_on_drop: false }`
[INFO] [stdout] d6e7ea24a167fa6d87517edc99f9b79c92b9fbe01e6a39210c58f61aeb7c62af
