[INFO] cloning repository https://github.com/sarayu-namineni/blockchain_rep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sarayu-namineni/blockchain_rep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsarayu-namineni%2Fblockchain_rep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsarayu-namineni%2Fblockchain_rep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 751ee72a7940b9f55f4a1a8f8123a6ff13ad7c91
[INFO] testing sarayu-namineni/blockchain_rep against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsarayu-namineni%2Fblockchain_rep" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sarayu-namineni/blockchain_rep
[INFO] finished tweaking git repo https://github.com/sarayu-namineni/blockchain_rep
[INFO] tweaked toml for git repo https://github.com/sarayu-namineni/blockchain_rep written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sarayu-namineni/blockchain_rep on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sarayu-namineni/blockchain_rep 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8f842478273dab910da6a840b861c60c914a44ff246135cb4e50b43de4b4e1a
[INFO] running `Command { std: "docker" "start" "-a" "f8f842478273dab910da6a840b861c60c914a44ff246135cb4e50b43de4b4e1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8f842478273dab910da6a840b861c60c914a44ff246135cb4e50b43de4b4e1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8f842478273dab910da6a840b861c60c914a44ff246135cb4e50b43de4b4e1a", kill_on_drop: false }`
[INFO] [stdout] f8f842478273dab910da6a840b861c60c914a44ff246135cb4e50b43de4b4e1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40d3e02c7357e783c0e3926275856f5d2a1c320fe1108f3ebfc75d1b9469489f
[INFO] running `Command { std: "docker" "start" "-a" "40d3e02c7357e783c0e3926275856f5d2a1c320fe1108f3ebfc75d1b9469489f", kill_on_drop: false }`
[INFO] [stderr]    Compiling blockchain_rep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/blockchain/BlockchainLLImpl.rs:36:36
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn get_block_at_index(_: Self, index: u64) -> BlockPointer<Self::BlockData> {
[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: unused variable: `lambda`
[INFO] [stdout]   --> src/ivc/DummyIVCImpl.rs:16:14
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn generate(lambda : Self::SecurityParam) -> Self::PublicParams {
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_lambda`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pp`
[INFO] [stdout]   --> src/ivc/DummyIVCImpl.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn encode(pp : Self::PublicParams, func : Self::Func) -> (Self::ProveKey, Self::VerifyKey) {
[INFO] [stdout]    |               ^^ help: if this is intentional, prefix it with an underscore: `_pp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func`
[INFO] [stdout]   --> src/ivc/DummyIVCImpl.rs:20:37
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn encode(pp : Self::PublicParams, func : Self::Func) -> (Self::ProveKey, Self::VerifyKey) {
[INFO] [stdout]    |                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_func`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pk`
[INFO] [stdout]   --> src/ivc/DummyIVCImpl.rs:24:11
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn prove(pk : Self::ProveKey, i : Self::Index, z_0 : Self::Output, z_i : Self::Output, omega : Self::Witness, pi_i : Self::Proof...
[INFO] [stdout]    |              ^^ help: if this is intentional, prefix it with an underscore: `_pk`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/ivc/DummyIVCImpl.rs:24:32
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn prove(pk : Self::ProveKey, i : Self::Index, z_0 : Self::Output, z_i : Self::Output, omega : Self::Witness, pi_i : Self::Proof...
[INFO] [stdout]    |                                   ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z_0`
[INFO] [stdout]   --> src/ivc/DummyIVCImpl.rs:24:49
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn prove(pk : Self::ProveKey, i : Self::Index, z_0 : Self::Output, z_i : Self::Output, omega : Self::Witness, pi_i : Self::Proof...
[INFO] [stdout]    |                                                    ^^^ help: if this is intentional, prefix it with an underscore: `_z_0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z_i`
[INFO] [stdout]   --> src/ivc/DummyIVCImpl.rs:24:69
[INFO] [stdout]    |
[INFO] [stdout] 24 | ...::Index, z_0 : Self::Output, z_i : Self::Output, omega : Self::Witness, pi_i : Self::Proof) -> Self::Proof {
[INFO] [stdout]    |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_z_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `omega`
[INFO] [stdout]   --> src/ivc/DummyIVCImpl.rs:24:89
[INFO] [stdout]    |
[INFO] [stdout] 24 | ...utput, z_i : Self::Output, omega : Self::Witness, pi_i : Self::Proof) -> Self::Proof {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_omega`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pi_i`
[INFO] [stdout]   --> src/ivc/DummyIVCImpl.rs:24:112
[INFO] [stdout]    |
[INFO] [stdout] 24 | ...put, omega : Self::Witness, pi_i : Self::Proof) -> Self::Proof {
[INFO] [stdout]    |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_pi_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vk`
[INFO] [stdout]   --> src/ivc/DummyIVCImpl.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn verify(vk : Self::VerifyKey, i : Self::Index, z_0 : Self::Output, z_i : Self::Output, pi_i : Self::Proof) -> bool {
[INFO] [stdout]    |               ^^ help: if this is intentional, prefix it with an underscore: `_vk`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/ivc/DummyIVCImpl.rs:28:34
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn verify(vk : Self::VerifyKey, i : Self::Index, z_0 : Self::Output, z_i : Self::Output, pi_i : Self::Proof) -> bool {
[INFO] [stdout]    |                                     ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z_0`
[INFO] [stdout]   --> src/ivc/DummyIVCImpl.rs:28:51
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn verify(vk : Self::VerifyKey, i : Self::Index, z_0 : Self::Output, z_i : Self::Output, pi_i : Self::Proof) -> bool {
[INFO] [stdout]    |                                                      ^^^ help: if this is intentional, prefix it with an underscore: `_z_0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z_i`
[INFO] [stdout]   --> src/ivc/DummyIVCImpl.rs:28:71
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn verify(vk : Self::VerifyKey, i : Self::Index, z_0 : Self::Output, z_i : Self::Output, pi_i : Self::Proof) -> bool {
[INFO] [stdout]    |                                                                          ^^^ help: if this is intentional, prefix it with an underscore: `_z_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pi_i`
[INFO] [stdout]   --> src/ivc/DummyIVCImpl.rs:28:91
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn verify(vk : Self::VerifyKey, i : Self::Index, z_0 : Self::Output, z_i : Self::Output, pi_i : Self::Proof) -> bool {
[INFO] [stdout]    |                                                                                              ^^^^ help: if this is intentional, prefix it with an underscore: `_pi_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rt`
[INFO] [stdout]   --> src/merkle_tree/MerkleTreeImpl.rs:10:15
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn insert(rt : Self::Hash, e: Self::Leaf) -> Self::Hash {
[INFO] [stdout]    |               ^^ help: if this is intentional, prefix it with an underscore: `_rt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/merkle_tree/MerkleTreeImpl.rs:10:32
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn insert(rt : Self::Hash, e: Self::Leaf) -> Self::Hash {
[INFO] [stdout]    |                                ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rt`
[INFO] [stdout]   --> src/merkle_tree/MerkleTreeImpl.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn verify(rt: Self::Hash, e: Self::Leaf, pi: Self::Proof) -> bool {
[INFO] [stdout]    |               ^^ help: if this is intentional, prefix it with an underscore: `_rt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/merkle_tree/MerkleTreeImpl.rs:14:31
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn verify(rt: Self::Hash, e: Self::Leaf, pi: Self::Proof) -> bool {
[INFO] [stdout]    |                               ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pi`
[INFO] [stdout]   --> src/merkle_tree/MerkleTreeImpl.rs:14:46
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn verify(rt: Self::Hash, e: Self::Leaf, pi: Self::Proof) -> bool {
[INFO] [stdout]    |                                              ^^ help: if this is intentional, prefix it with an underscore: `_pi`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Block` is never constructed
[INFO] [stdout]  --> src/blockchain/Blockchain.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Block<T> {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `BlockPointer` is never used
[INFO] [stdout]  --> src/blockchain/Blockchain.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum BlockPointer<T> {
[INFO] [stdout]   |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Blockchain` is never used
[INFO] [stdout]   --> src/blockchain/Blockchain.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait Blockchain {
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Hash` is never used
[INFO] [stdout]  --> src/blockchain/BlockchainLLImpl.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | type Hash = ();
[INFO] [stdout]   |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Epoch` is never used
[INFO] [stdout]  --> src/blockchain/BlockchainLLImpl.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 8 | type Epoch = ();
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BlockData` is never constructed
[INFO] [stdout]   --> src/blockchain/BlockchainLLImpl.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct BlockData { 
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BlockchainLLImpl` is never constructed
[INFO] [stdout]   --> src/blockchain/BlockchainLLImpl.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct BlockchainLLImpl {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IVC` is never used
[INFO] [stdout]  --> src/ivc/IVC.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait IVC {
[INFO] [stdout]   |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DummyIVCImpl` is never constructed
[INFO] [stdout]  --> src/ivc/DummyIVCImpl.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct DummyIVCImpl;
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MerkleTree` is never used
[INFO] [stdout]  --> src/merkle_tree/MerkleTree.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait MerkleTree {
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MerkleTreeImpl` is never constructed
[INFO] [stdout]  --> src/merkle_tree/MerkleTreeImpl.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct MerkleTreeImpl;
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Blockchain` should have a snake case name
[INFO] [stdout]  --> src/blockchain/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod Blockchain;
[INFO] [stdout]   |         ^^^^^^^^^^ help: convert the identifier to snake case: `blockchain`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `BlockchainLLImpl` should have a snake case name
[INFO] [stdout]  --> src/blockchain/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub mod BlockchainLLImpl;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `blockchain_llimpl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `IVC` should have a snake case name
[INFO] [stdout]  --> src/ivc/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod IVC;
[INFO] [stdout]   |         ^^^ help: convert the identifier to snake case (notice the capitalization): `ivc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `DummyIVCImpl` should have a snake case name
[INFO] [stdout]  --> src/ivc/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub mod DummyIVCImpl;
[INFO] [stdout]   |         ^^^^^^^^^^^^ help: convert the identifier to snake case: `dummy_ivcimpl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `MerkleTree` should have a snake case name
[INFO] [stdout]  --> src/merkle_tree/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod MerkleTree;
[INFO] [stdout]   |         ^^^^^^^^^^ help: convert the identifier to snake case: `merkle_tree`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `MerkleTreeImpl` should have a snake case name
[INFO] [stdout]  --> src/merkle_tree/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub mod MerkleTreeImpl;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `merkle_tree_impl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "40d3e02c7357e783c0e3926275856f5d2a1c320fe1108f3ebfc75d1b9469489f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40d3e02c7357e783c0e3926275856f5d2a1c320fe1108f3ebfc75d1b9469489f", kill_on_drop: false }`
[INFO] [stdout] 40d3e02c7357e783c0e3926275856f5d2a1c320fe1108f3ebfc75d1b9469489f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e97572d4ef979780e7db1eb2a80cbcfcadcf378abffb2c22ce519c63e2dead6
[INFO] running `Command { std: "docker" "start" "-a" "3e97572d4ef979780e7db1eb2a80cbcfcadcf378abffb2c22ce519c63e2dead6", kill_on_drop: false }`
[INFO] [stderr]    Compiling blockchain_rep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/blockchain/BlockchainLLImpl.rs:36:36
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn get_block_at_index(_: Self, index: u64) -> BlockPointer<Self::BlockData> {
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/blockchain/BlockchainLLImpl.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |         let mut blockchain = BlockchainLLImpl::new();
[INFO] [stdout]    |             ----^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `blockchain`
[INFO] [stdout]   --> src/blockchain/BlockchainLLImpl.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |         let mut blockchain = BlockchainLLImpl::new();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_blockchain`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `added_block`
[INFO] [stdout]   --> src/blockchain/BlockchainLLImpl.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let added_block = BlockchainLLImpl::get_block_at_index(blockchain, 0);
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_added_block`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lambda`
[INFO] [stdout]   --> src/ivc/DummyIVCImpl.rs:16:14
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn generate(lambda : Self::SecurityParam) -> Self::PublicParams {
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_lambda`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pp`
[INFO] [stdout]   --> src/ivc/DummyIVCImpl.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn encode(pp : Self::PublicParams, func : Self::Func) -> (Self::ProveKey, Self::VerifyKey) {
[INFO] [stdout]    |               ^^ help: if this is intentional, prefix it with an underscore: `_pp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func`
[INFO] [stdout]   --> src/ivc/DummyIVCImpl.rs:20:37
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn encode(pp : Self::PublicParams, func : Self::Func) -> (Self::ProveKey, Self::VerifyKey) {
[INFO] [stdout]    |                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_func`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pk`
[INFO] [stdout]   --> src/ivc/DummyIVCImpl.rs:24:11
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn prove(pk : Self::ProveKey, i : Self::Index, z_0 : Self::Output, z_i : Self::Output, omega : Self::Witness, pi_i : Self::Proof...
[INFO] [stdout]    |              ^^ help: if this is intentional, prefix it with an underscore: `_pk`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/ivc/DummyIVCImpl.rs:24:32
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn prove(pk : Self::ProveKey, i : Self::Index, z_0 : Self::Output, z_i : Self::Output, omega : Self::Witness, pi_i : Self::Proof...
[INFO] [stdout]    |                                   ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z_0`
[INFO] [stdout]   --> src/ivc/DummyIVCImpl.rs:24:49
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn prove(pk : Self::ProveKey, i : Self::Index, z_0 : Self::Output, z_i : Self::Output, omega : Self::Witness, pi_i : Self::Proof...
[INFO] [stdout]    |                                                    ^^^ help: if this is intentional, prefix it with an underscore: `_z_0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z_i`
[INFO] [stdout]   --> src/ivc/DummyIVCImpl.rs:24:69
[INFO] [stdout]    |
[INFO] [stdout] 24 | ...::Index, z_0 : Self::Output, z_i : Self::Output, omega : Self::Witness, pi_i : Self::Proof) -> Self::Proof {
[INFO] [stdout]    |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_z_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `omega`
[INFO] [stdout]   --> src/ivc/DummyIVCImpl.rs:24:89
[INFO] [stdout]    |
[INFO] [stdout] 24 | ...utput, z_i : Self::Output, omega : Self::Witness, pi_i : Self::Proof) -> Self::Proof {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_omega`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pi_i`
[INFO] [stdout]   --> src/ivc/DummyIVCImpl.rs:24:112
[INFO] [stdout]    |
[INFO] [stdout] 24 | ...put, omega : Self::Witness, pi_i : Self::Proof) -> Self::Proof {
[INFO] [stdout]    |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_pi_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vk`
[INFO] [stdout]   --> src/ivc/DummyIVCImpl.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn verify(vk : Self::VerifyKey, i : Self::Index, z_0 : Self::Output, z_i : Self::Output, pi_i : Self::Proof) -> bool {
[INFO] [stdout]    |               ^^ help: if this is intentional, prefix it with an underscore: `_vk`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/ivc/DummyIVCImpl.rs:28:34
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn verify(vk : Self::VerifyKey, i : Self::Index, z_0 : Self::Output, z_i : Self::Output, pi_i : Self::Proof) -> bool {
[INFO] [stdout]    |                                     ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z_0`
[INFO] [stdout]   --> src/ivc/DummyIVCImpl.rs:28:51
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn verify(vk : Self::VerifyKey, i : Self::Index, z_0 : Self::Output, z_i : Self::Output, pi_i : Self::Proof) -> bool {
[INFO] [stdout]    |                                                      ^^^ help: if this is intentional, prefix it with an underscore: `_z_0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z_i`
[INFO] [stdout]   --> src/ivc/DummyIVCImpl.rs:28:71
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn verify(vk : Self::VerifyKey, i : Self::Index, z_0 : Self::Output, z_i : Self::Output, pi_i : Self::Proof) -> bool {
[INFO] [stdout]    |                                                                          ^^^ help: if this is intentional, prefix it with an underscore: `_z_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pi_i`
[INFO] [stdout]   --> src/ivc/DummyIVCImpl.rs:28:91
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn verify(vk : Self::VerifyKey, i : Self::Index, z_0 : Self::Output, z_i : Self::Output, pi_i : Self::Proof) -> bool {
[INFO] [stdout]    |                                                                                              ^^^^ help: if this is intentional, prefix it with an underscore: `_pi_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rt`
[INFO] [stdout]   --> src/merkle_tree/MerkleTreeImpl.rs:10:15
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn insert(rt : Self::Hash, e: Self::Leaf) -> Self::Hash {
[INFO] [stdout]    |               ^^ help: if this is intentional, prefix it with an underscore: `_rt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/merkle_tree/MerkleTreeImpl.rs:10:32
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn insert(rt : Self::Hash, e: Self::Leaf) -> Self::Hash {
[INFO] [stdout]    |                                ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rt`
[INFO] [stdout]   --> src/merkle_tree/MerkleTreeImpl.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn verify(rt: Self::Hash, e: Self::Leaf, pi: Self::Proof) -> bool {
[INFO] [stdout]    |               ^^ help: if this is intentional, prefix it with an underscore: `_rt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/merkle_tree/MerkleTreeImpl.rs:14:31
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn verify(rt: Self::Hash, e: Self::Leaf, pi: Self::Proof) -> bool {
[INFO] [stdout]    |                               ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pi`
[INFO] [stdout]   --> src/merkle_tree/MerkleTreeImpl.rs:14:46
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn verify(rt: Self::Hash, e: Self::Leaf, pi: Self::Proof) -> bool {
[INFO] [stdout]    |                                              ^^ help: if this is intentional, prefix it with an underscore: `_pi`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `data` and `next` are never read
[INFO] [stdout]  --> src/blockchain/Blockchain.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Block<T> {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 2 |     pub data: T,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 3 |     pub next: BlockPointer<T>,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/blockchain/Blockchain.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Cons(Box<Block<T>>), 
[INFO] [stdout]   |     ---- ^^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 8 -     Cons(Box<Block<T>>), 
[INFO] [stdout] 8 +     Cons(()), 
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `hash` and `epoch` are never read
[INFO] [stdout]   --> src/blockchain/BlockchainLLImpl.rs:11:2
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct BlockData { 
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 11 |     hash: Hash,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 12 |     epoch: Epoch,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `encode` is never used
[INFO] [stdout]   --> src/ivc/IVC.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout]  1 | pub trait IVC {
[INFO] [stdout]    |           --- associated function in this trait
[INFO] [stdout] ...
[INFO] [stdout] 13 |     fn encode(pp : Self::PublicParams, func : Self::Func) -> (Self::ProveKey, Self::VerifyKey);
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MerkleTree` is never used
[INFO] [stdout]  --> src/merkle_tree/MerkleTree.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait MerkleTree {
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MerkleTreeImpl` is never constructed
[INFO] [stdout]  --> src/merkle_tree/MerkleTreeImpl.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct MerkleTreeImpl;
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Blockchain` should have a snake case name
[INFO] [stdout]  --> src/blockchain/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod Blockchain;
[INFO] [stdout]   |         ^^^^^^^^^^ help: convert the identifier to snake case: `blockchain`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `BlockchainLLImpl` should have a snake case name
[INFO] [stdout]  --> src/blockchain/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub mod BlockchainLLImpl;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `blockchain_llimpl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `IVC` should have a snake case name
[INFO] [stdout]  --> src/ivc/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod IVC;
[INFO] [stdout]   |         ^^^ help: convert the identifier to snake case (notice the capitalization): `ivc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `DummyIVCImpl` should have a snake case name
[INFO] [stdout]  --> src/ivc/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub mod DummyIVCImpl;
[INFO] [stdout]   |         ^^^^^^^^^^^^ help: convert the identifier to snake case: `dummy_ivcimpl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `MerkleTree` should have a snake case name
[INFO] [stdout]  --> src/merkle_tree/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod MerkleTree;
[INFO] [stdout]   |         ^^^^^^^^^^ help: convert the identifier to snake case: `merkle_tree`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `MerkleTreeImpl` should have a snake case name
[INFO] [stdout]  --> src/merkle_tree/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub mod MerkleTreeImpl;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `merkle_tree_impl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "3e97572d4ef979780e7db1eb2a80cbcfcadcf378abffb2c22ce519c63e2dead6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e97572d4ef979780e7db1eb2a80cbcfcadcf378abffb2c22ce519c63e2dead6", kill_on_drop: false }`
[INFO] [stdout] 3e97572d4ef979780e7db1eb2a80cbcfcadcf378abffb2c22ce519c63e2dead6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e4c6eed754bc384c331ca5398bb043face17b9e02c43e03d10bfb6a952abe859
[INFO] running `Command { std: "docker" "start" "-a" "e4c6eed754bc384c331ca5398bb043face17b9e02c43e03d10bfb6a952abe859", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]   --> src/blockchain/BlockchainLLImpl.rs:36:36
[INFO] [stderr]    |
[INFO] [stderr] 36 |     fn get_block_at_index(_: Self, index: u64) -> BlockPointer<Self::BlockData> {
[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: variable does not need to be mutable
[INFO] [stderr]   --> src/blockchain/BlockchainLLImpl.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 47 |         let mut blockchain = BlockchainLLImpl::new();
[INFO] [stderr]    |             ----^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `blockchain`
[INFO] [stderr]   --> src/blockchain/BlockchainLLImpl.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 47 |         let mut blockchain = BlockchainLLImpl::new();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_blockchain`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `added_block`
[INFO] [stderr]   --> src/blockchain/BlockchainLLImpl.rs:57:13
[INFO] [stderr]    |
[INFO] [stderr] 57 |         let added_block = BlockchainLLImpl::get_block_at_index(blockchain, 0);
[INFO] [stderr]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_added_block`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lambda`
[INFO] [stderr]   --> src/ivc/DummyIVCImpl.rs:16:14
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn generate(lambda : Self::SecurityParam) -> Self::PublicParams {
[INFO] [stderr]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_lambda`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pp`
[INFO] [stderr]   --> src/ivc/DummyIVCImpl.rs:20:12
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn encode(pp : Self::PublicParams, func : Self::Func) -> (Self::ProveKey, Self::VerifyKey) {
[INFO] [stderr]    |               ^^ help: if this is intentional, prefix it with an underscore: `_pp`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `func`
[INFO] [stderr]   --> src/ivc/DummyIVCImpl.rs:20:37
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn encode(pp : Self::PublicParams, func : Self::Func) -> (Self::ProveKey, Self::VerifyKey) {
[INFO] [stderr]    |                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_func`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pk`
[INFO] [stderr]   --> src/ivc/DummyIVCImpl.rs:24:11
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn prove(pk : Self::ProveKey, i : Self::Index, z_0 : Self::Output, z_i : Self::Output, omega : Self::Witness, pi_i : Self::Proof...
[INFO] [stderr]    |              ^^ help: if this is intentional, prefix it with an underscore: `_pk`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/ivc/DummyIVCImpl.rs:24:32
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn prove(pk : Self::ProveKey, i : Self::Index, z_0 : Self::Output, z_i : Self::Output, omega : Self::Witness, pi_i : Self::Proof...
[INFO] [stderr]    |                                   ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `z_0`
[INFO] [stderr]   --> src/ivc/DummyIVCImpl.rs:24:49
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn prove(pk : Self::ProveKey, i : Self::Index, z_0 : Self::Output, z_i : Self::Output, omega : Self::Witness, pi_i : Self::Proof...
[INFO] [stderr]    |                                                    ^^^ help: if this is intentional, prefix it with an underscore: `_z_0`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `z_i`
[INFO] [stderr]   --> src/ivc/DummyIVCImpl.rs:24:69
[INFO] [stderr]    |
[INFO] [stderr] 24 | ...::Index, z_0 : Self::Output, z_i : Self::Output, omega : Self::Witness, pi_i : Self::Proof) -> Self::Proof {
[INFO] [stderr]    |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_z_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `omega`
[INFO] [stderr]   --> src/ivc/DummyIVCImpl.rs:24:89
[INFO] [stderr]    |
[INFO] [stderr] 24 | ...utput, z_i : Self::Output, omega : Self::Witness, pi_i : Self::Proof) -> Self::Proof {
[INFO] [stderr]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_omega`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pi_i`
[INFO] [stderr]   --> src/ivc/DummyIVCImpl.rs:24:112
[INFO] [stderr]    |
[INFO] [stderr] 24 | ...put, omega : Self::Witness, pi_i : Self::Proof) -> Self::Proof {
[INFO] [stderr]    |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_pi_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vk`
[INFO] [stderr]   --> src/ivc/DummyIVCImpl.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn verify(vk : Self::VerifyKey, i : Self::Index, z_0 : Self::Output, z_i : Self::Output, pi_i : Self::Proof) -> bool {
[INFO] [stderr]    |               ^^ help: if this is intentional, prefix it with an underscore: `_vk`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/ivc/DummyIVCImpl.rs:28:34
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn verify(vk : Self::VerifyKey, i : Self::Index, z_0 : Self::Output, z_i : Self::Output, pi_i : Self::Proof) -> bool {
[INFO] [stderr]    |                                     ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `z_0`
[INFO] [stderr]   --> src/ivc/DummyIVCImpl.rs:28:51
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn verify(vk : Self::VerifyKey, i : Self::Index, z_0 : Self::Output, z_i : Self::Output, pi_i : Self::Proof) -> bool {
[INFO] [stderr]    |                                                      ^^^ help: if this is intentional, prefix it with an underscore: `_z_0`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `z_i`
[INFO] [stderr]   --> src/ivc/DummyIVCImpl.rs:28:71
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn verify(vk : Self::VerifyKey, i : Self::Index, z_0 : Self::Output, z_i : Self::Output, pi_i : Self::Proof) -> bool {
[INFO] [stderr]    |                                                                          ^^^ help: if this is intentional, prefix it with an underscore: `_z_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pi_i`
[INFO] [stderr]   --> src/ivc/DummyIVCImpl.rs:28:91
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn verify(vk : Self::VerifyKey, i : Self::Index, z_0 : Self::Output, z_i : Self::Output, pi_i : Self::Proof) -> bool {
[INFO] [stderr]    |                                                                                              ^^^^ help: if this is intentional, prefix it with an underscore: `_pi_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rt`
[INFO] [stderr]   --> src/merkle_tree/MerkleTreeImpl.rs:10:15
[INFO] [stderr]    |
[INFO] [stderr] 10 |     fn insert(rt : Self::Hash, e: Self::Leaf) -> Self::Hash {
[INFO] [stderr]    |               ^^ help: if this is intentional, prefix it with an underscore: `_rt`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/merkle_tree/MerkleTreeImpl.rs:10:32
[INFO] [stderr]    |
[INFO] [stderr] 10 |     fn insert(rt : Self::Hash, e: Self::Leaf) -> Self::Hash {
[INFO] [stderr]    |                                ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rt`
[INFO] [stderr]   --> src/merkle_tree/MerkleTreeImpl.rs:14:15
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn verify(rt: Self::Hash, e: Self::Leaf, pi: Self::Proof) -> bool {
[INFO] [stderr]    |               ^^ help: if this is intentional, prefix it with an underscore: `_rt`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/merkle_tree/MerkleTreeImpl.rs:14:31
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn verify(rt: Self::Hash, e: Self::Leaf, pi: Self::Proof) -> bool {
[INFO] [stderr]    |                               ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pi`
[INFO] [stderr]   --> src/merkle_tree/MerkleTreeImpl.rs:14:46
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn verify(rt: Self::Hash, e: Self::Leaf, pi: Self::Proof) -> bool {
[INFO] [stderr]    |                                              ^^ help: if this is intentional, prefix it with an underscore: `_pi`
[INFO] [stderr] 
[INFO] [stderr] warning: fields `data` and `next` are never read
[INFO] [stderr]  --> src/blockchain/Blockchain.rs:2:9
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct Block<T> {
[INFO] [stderr]   |            ----- fields in this struct
[INFO] [stderr] 2 |     pub data: T,
[INFO] [stderr]   |         ^^^^
[INFO] [stderr] 3 |     pub next: BlockPointer<T>,
[INFO] [stderr]   |         ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> src/blockchain/Blockchain.rs:8:10
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Cons(Box<Block<T>>), 
[INFO] [stderr]   |     ---- ^^^^^^^^^^^^^
[INFO] [stderr]   |     |
[INFO] [stderr]   |     field in this variant
[INFO] [stderr]   |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]   |
[INFO] [stderr] 8 -     Cons(Box<Block<T>>), 
[INFO] [stderr] 8 +     Cons(()), 
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: fields `hash` and `epoch` are never read
[INFO] [stderr]   --> src/blockchain/BlockchainLLImpl.rs:11:2
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct BlockData { 
[INFO] [stderr]    |            --------- fields in this struct
[INFO] [stderr] 11 |     hash: Hash,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 12 |     epoch: Epoch,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `encode` is never used
[INFO] [stderr]   --> src/ivc/IVC.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr]  1 | pub trait IVC {
[INFO] [stderr]    |           --- associated function in this trait
[INFO] [stderr] ...
[INFO] [stderr] 13 |     fn encode(pp : Self::PublicParams, func : Self::Func) -> (Self::ProveKey, Self::VerifyKey);
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `MerkleTree` is never used
[INFO] [stderr]  --> src/merkle_tree/MerkleTree.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub trait MerkleTree {
[INFO] [stderr]   |           ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `MerkleTreeImpl` is never constructed
[INFO] [stderr]  --> src/merkle_tree/MerkleTreeImpl.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct MerkleTreeImpl;
[INFO] [stderr]   |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: module `Blockchain` should have a snake case name
[INFO] [stderr]  --> src/blockchain/mod.rs:1:9
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub mod Blockchain;
[INFO] [stderr]   |         ^^^^^^^^^^ help: convert the identifier to snake case: `blockchain`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: module `BlockchainLLImpl` should have a snake case name
[INFO] [stderr]  --> src/blockchain/mod.rs:2:9
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub mod BlockchainLLImpl;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `blockchain_llimpl`
[INFO] [stderr] 
[INFO] [stderr] warning: module `IVC` should have a snake case name
[INFO] [stderr]  --> src/ivc/mod.rs:1:9
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub mod IVC;
[INFO] [stderr]   |         ^^^ help: convert the identifier to snake case (notice the capitalization): `ivc`
[INFO] [stderr] 
[INFO] [stderr] warning: module `DummyIVCImpl` should have a snake case name
[INFO] [stderr]  --> src/ivc/mod.rs:2:9
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub mod DummyIVCImpl;
[INFO] [stderr]   |         ^^^^^^^^^^^^ help: convert the identifier to snake case: `dummy_ivcimpl`
[INFO] [stderr] 
[INFO] [stderr] warning: module `MerkleTree` should have a snake case name
[INFO] [stderr]  --> src/merkle_tree/mod.rs:1:9
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub mod MerkleTree;
[INFO] [stderr]   |         ^^^^^^^^^^ help: convert the identifier to snake case: `merkle_tree`
[INFO] [stderr] 
[INFO] [stderr] warning: module `MerkleTreeImpl` should have a snake case name
[INFO] [stderr]  --> src/merkle_tree/mod.rs:2:9
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub mod MerkleTreeImpl;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `merkle_tree_impl`
[INFO] [stderr] 
[INFO] [stderr] warning: `blockchain_rep` (bin "blockchain_rep" test) generated 35 warnings (run `cargo fix --bin "blockchain_rep" -p blockchain_rep --tests` to apply 23 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/blockchain_rep-8876e9e8bc78b4bb)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test blockchain::BlockchainLLImpl::tests::test_new ... ok
[INFO] [stdout] test ivc::DummyIVCImpl::tests::test_generate ... ok
[INFO] [stdout] test ivc::DummyIVCImpl::tests::test_prove ... ok
[INFO] [stdout] test ivc::DummyIVCImpl::tests::test_verify ... ok
[INFO] [stdout] test blockchain::BlockchainLLImpl::tests::test_add_and_get_block ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e4c6eed754bc384c331ca5398bb043face17b9e02c43e03d10bfb6a952abe859", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4c6eed754bc384c331ca5398bb043face17b9e02c43e03d10bfb6a952abe859", kill_on_drop: false }`
[INFO] [stdout] e4c6eed754bc384c331ca5398bb043face17b9e02c43e03d10bfb6a952abe859