[INFO] cloning repository https://github.com/kcalvinalvin/rustreexo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kcalvinalvin/rustreexo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkcalvinalvin%2Frustreexo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkcalvinalvin%2Frustreexo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7fa88a0d8371fc1a2ff4c27a1c2e112d048d9cd5
[INFO] checking kcalvinalvin/rustreexo against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkcalvinalvin%2Frustreexo" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kcalvinalvin/rustreexo on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kcalvinalvin/rustreexo
[INFO] finished tweaking git repo https://github.com/kcalvinalvin/rustreexo
[INFO] tweaked toml for git repo https://github.com/kcalvinalvin/rustreexo written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/kcalvinalvin/rustreexo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitcoin_hashes v0.7.6
[INFO] [stderr]   Downloaded bech32 v0.7.2
[INFO] [stderr]   Downloaded secp256k1-sys v0.1.2
[INFO] [stderr]   Downloaded bitcoin v0.23.0
[INFO] [stderr]   Downloaded secp256k1 v0.17.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c60c1ac31a0cf47f09b4f7fb0f9df5c6cb9392e64973c9f7307f38b25ddcf12
[INFO] running `Command { std: "docker" "start" "-a" "3c60c1ac31a0cf47f09b4f7fb0f9df5c6cb9392e64973c9f7307f38b25ddcf12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c60c1ac31a0cf47f09b4f7fb0f9df5c6cb9392e64973c9f7307f38b25ddcf12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c60c1ac31a0cf47f09b4f7fb0f9df5c6cb9392e64973c9f7307f38b25ddcf12", kill_on_drop: false }`
[INFO] [stdout] 3c60c1ac31a0cf47f09b4f7fb0f9df5c6cb9392e64973c9f7307f38b25ddcf12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c655207f3c4228022bd946f8911718b6c81cc0577b6836968022281e8b741dbd
[INFO] running `Command { std: "docker" "start" "-a" "c655207f3c4228022bd946f8911718b6c81cc0577b6836968022281e8b741dbd", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]     Checking bech32 v0.7.2
[INFO] [stderr]     Checking bitcoin_hashes v0.7.6
[INFO] [stderr]    Compiling secp256k1-sys v0.1.2
[INFO] [stderr]     Checking secp256k1 v0.17.2
[INFO] [stderr]     Checking bitcoin v0.23.0
[INFO] [stderr]     Checking rustreexo v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/accumulator/util.rs (3 fixes)
[INFO] [stderr]        Fixed src/accumulator/pollard.rs (12 fixes)
[INFO] [stdout] warning: unused import: `Hash`
[INFO] [stdout]   --> src/accumulator/pollard.rs:12:31
[INFO] [stdout]    |
[INFO] [stdout] 12 | use bitcoin::hashes::{sha256, Hash};
[INFO] [stdout]    |                               ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value passed to `p_node_sib` is never read
[INFO] [stdout]    --> src/accumulator/pollard.rs:153:48
[INFO] [stdout]     |
[INFO] [stdout] 153 |         fn grab_niece(mut p_node: PolNode, mut p_node_sib: PolNode, branch_len: u8, bits: u64) -> Option<(PolNode, PolNode, u8)> {
[INFO] [stdout]     |                                                ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Hash`
[INFO] [stdout]   --> src/accumulator/pollard.rs:12:31
[INFO] [stdout]    |
[INFO] [stdout] 12 | use bitcoin::hashes::{sha256, Hash};
[INFO] [stdout]    |                               ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `child`
[INFO] [stdout]    --> src/accumulator/util.rs:124:4
[INFO] [stdout]     |
[INFO] [stdout] 124 | fn child(pos: u64, forest_rows: u8) -> u64 {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `n_grandchild`
[INFO] [stdout]    --> src/accumulator/util.rs:132:4
[INFO] [stdout]     |
[INFO] [stdout] 132 | fn n_grandchild(pos: u64, drop: u8, forest_rows: u8) -> Result<u64, u8> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cousin`
[INFO] [stdout]    --> src/accumulator/util.rs:166:4
[INFO] [stdout]     |
[INFO] [stdout] 166 | fn cousin(pos: u64) -> u64 {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `num_roots`
[INFO] [stdout]    --> src/accumulator/util.rs:216:4
[INFO] [stdout]     |
[INFO] [stdout] 216 | fn num_roots(num_leaves: u64) -> u8 {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_roots_reverse`
[INFO] [stdout]    --> src/accumulator/util.rs:240:4
[INFO] [stdout]     |
[INFO] [stdout] 240 | fn get_roots_reverse(_num_leaves: u64, _forest_rows: u8) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `subtree_positions`
[INFO] [stdout]    --> src/accumulator/util.rs:246:4
[INFO] [stdout]     |
[INFO] [stdout] 246 | fn subtree_positions() {}
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `subtree_leafrange`
[INFO] [stdout]    --> src/accumulator/util.rs:248:4
[INFO] [stdout]     |
[INFO] [stdout] 248 | fn subtree_leafrange() {}
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `to_leaves`
[INFO] [stdout]    --> src/accumulator/util.rs:250:4
[INFO] [stdout]     |
[INFO] [stdout] 250 | fn to_leaves() {}
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `previous_pow2`
[INFO] [stdout]    --> src/accumulator/util.rs:254:4
[INFO] [stdout]     |
[INFO] [stdout] 254 | fn previous_pow2(n: u64) -> u64 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `block_header`
[INFO] [stdout]   --> src/accumulator/types.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     block_header: HASH,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `outpoint`
[INFO] [stdout]   --> src/accumulator/types.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     outpoint: transaction::OutPoint,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `height`
[INFO] [stdout]   --> src/accumulator/types.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     height: i32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `is_coinbase`
[INFO] [stdout]   --> src/accumulator/types.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     is_coinbase: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `amt`
[INFO] [stdout]   --> src/accumulator/types.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     amt: i64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `pk_script`
[INFO] [stdout]   --> src/accumulator/types.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pk_script: Vec<u8>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value passed to `p_node_sib` is never read
[INFO] [stdout]    --> src/accumulator/pollard.rs:153:48
[INFO] [stdout]     |
[INFO] [stdout] 153 |         fn grab_niece(mut p_node: PolNode, mut p_node_sib: PolNode, branch_len: u8, bits: u64) -> Option<(PolNode, PolNode, u8)> {
[INFO] [stdout]     |                                                ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `grab_pos`
[INFO] [stdout]    --> src/accumulator/pollard.rs:151:8
[INFO] [stdout]     |
[INFO] [stdout] 151 |     fn grab_pos(&mut self, pos: u64) -> Option<(PolNode, PolNode, HashableNode)> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `grab_niece`
[INFO] [stdout]    --> src/accumulator/pollard.rs:153:12
[INFO] [stdout]     |
[INFO] [stdout] 153 |         fn grab_niece(mut p_node: PolNode, mut p_node_sib: PolNode, branch_len: u8, bits: u64) -> Option<(PolNode, PolNode, u8)> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `aunt_op`
[INFO] [stdout]    --> src/accumulator/pollard.rs:244:8
[INFO] [stdout]     |
[INFO] [stdout] 244 |     fn aunt_op(&self) -> sha256::Hash {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pol_swap`
[INFO] [stdout]    --> src/accumulator/pollard.rs:293:4
[INFO] [stdout]     |
[INFO] [stdout] 293 | fn pol_swap<'a, 'b>(mut a: &'a mut PolNode, mut asib: &'b mut PolNode, mut b: &'a mut PolNode, mut bsib: &'b mut PolNode) {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `check_root`
[INFO] [stdout]    --> src/accumulator/pollard.rs:356:8
[INFO] [stdout]     |
[INFO] [stdout] 356 |     fn check_root() {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_pol_del`
[INFO] [stdout]    --> src/accumulator/pollard.rs:359:8
[INFO] [stdout]     |
[INFO] [stdout] 359 |     fn test_pol_del() {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `row_offset`
[INFO] [stdout]   --> src/accumulator/util.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn row_offset(row: u8, forest_rows: u8) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `child`
[INFO] [stdout]    --> src/accumulator/util.rs:124:4
[INFO] [stdout]     |
[INFO] [stdout] 124 | fn child(pos: u64, forest_rows: u8) -> u64 {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `n_grandchild`
[INFO] [stdout]    --> src/accumulator/util.rs:132:4
[INFO] [stdout]     |
[INFO] [stdout] 132 | fn n_grandchild(pos: u64, drop: u8, forest_rows: u8) -> Result<u64, u8> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cousin`
[INFO] [stdout]    --> src/accumulator/util.rs:166:4
[INFO] [stdout]     |
[INFO] [stdout] 166 | fn cousin(pos: u64) -> u64 {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `num_roots`
[INFO] [stdout]    --> src/accumulator/util.rs:216:4
[INFO] [stdout]     |
[INFO] [stdout] 216 | fn num_roots(num_leaves: u64) -> u8 {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_roots_reverse`
[INFO] [stdout]    --> src/accumulator/util.rs:240:4
[INFO] [stdout]     |
[INFO] [stdout] 240 | fn get_roots_reverse(_num_leaves: u64, _forest_rows: u8) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `subtree_positions`
[INFO] [stdout]    --> src/accumulator/util.rs:246:4
[INFO] [stdout]     |
[INFO] [stdout] 246 | fn subtree_positions() {}
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `subtree_leafrange`
[INFO] [stdout]    --> src/accumulator/util.rs:248:4
[INFO] [stdout]     |
[INFO] [stdout] 248 | fn subtree_leafrange() {}
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `to_leaves`
[INFO] [stdout]    --> src/accumulator/util.rs:250:4
[INFO] [stdout]     |
[INFO] [stdout] 250 | fn to_leaves() {}
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `previous_pow2`
[INFO] [stdout]    --> src/accumulator/util.rs:254:4
[INFO] [stdout]     |
[INFO] [stdout] 254 | fn previous_pow2(n: u64) -> u64 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `block_header`
[INFO] [stdout]   --> src/accumulator/types.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     block_header: HASH,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `outpoint`
[INFO] [stdout]   --> src/accumulator/types.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     outpoint: transaction::OutPoint,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `height`
[INFO] [stdout]   --> src/accumulator/types.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     height: i32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `is_coinbase`
[INFO] [stdout]   --> src/accumulator/types.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     is_coinbase: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `amt`
[INFO] [stdout]   --> src/accumulator/types.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     amt: i64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `pk_script`
[INFO] [stdout]   --> src/accumulator/types.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pk_script: Vec<u8>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `grab_pos`
[INFO] [stdout]    --> src/accumulator/pollard.rs:151:8
[INFO] [stdout]     |
[INFO] [stdout] 151 |     fn grab_pos(&mut self, pos: u64) -> Option<(PolNode, PolNode, HashableNode)> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `grab_niece`
[INFO] [stdout]    --> src/accumulator/pollard.rs:153:12
[INFO] [stdout]     |
[INFO] [stdout] 153 |         fn grab_niece(mut p_node: PolNode, mut p_node_sib: PolNode, branch_len: u8, bits: u64) -> Option<(PolNode, PolNode, u8)> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `aunt_op`
[INFO] [stdout]    --> src/accumulator/pollard.rs:244:8
[INFO] [stdout]     |
[INFO] [stdout] 244 |     fn aunt_op(&self) -> sha256::Hash {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pol_swap`
[INFO] [stdout]    --> src/accumulator/pollard.rs:293:4
[INFO] [stdout]     |
[INFO] [stdout] 293 | fn pol_swap<'a, 'b>(mut a: &'a mut PolNode, mut asib: &'b mut PolNode, mut b: &'a mut PolNode, mut bsib: &'b mut PolNode) {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.95s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking rustreexo v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: unused import: `Hash`
[INFO] [stdout]   --> src/accumulator/pollard.rs:12:31
[INFO] [stdout]    |
[INFO] [stdout] 12 | use bitcoin::hashes::{sha256, Hash};
[INFO] [stdout]    |                               ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value passed to `p_node_sib` is never read
[INFO] [stdout]    --> src/accumulator/pollard.rs:153:48
[INFO] [stdout]     |
[INFO] [stdout] 153 |         fn grab_niece(mut p_node: PolNode, mut p_node_sib: PolNode, branch_len: u8, bits: u64) -> Option<(PolNode, PolNode, u8)> {
[INFO] [stdout]     |                                                ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `child`
[INFO] [stdout]    --> src/accumulator/util.rs:124:4
[INFO] [stdout]     |
[INFO] [stdout] 124 | fn child(pos: u64, forest_rows: u8) -> u64 {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `n_grandchild`
[INFO] [stdout]    --> src/accumulator/util.rs:132:4
[INFO] [stdout]     |
[INFO] [stdout] 132 | fn n_grandchild(pos: u64, drop: u8, forest_rows: u8) -> Result<u64, u8> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cousin`
[INFO] [stdout]    --> src/accumulator/util.rs:166:4
[INFO] [stdout]     |
[INFO] [stdout] 166 | fn cousin(pos: u64) -> u64 {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `num_roots`
[INFO] [stdout]    --> src/accumulator/util.rs:216:4
[INFO] [stdout]     |
[INFO] [stdout] 216 | fn num_roots(num_leaves: u64) -> u8 {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_roots_reverse`
[INFO] [stdout]    --> src/accumulator/util.rs:240:4
[INFO] [stdout]     |
[INFO] [stdout] 240 | fn get_roots_reverse(_num_leaves: u64, _forest_rows: u8) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `subtree_positions`
[INFO] [stdout]    --> src/accumulator/util.rs:246:4
[INFO] [stdout]     |
[INFO] [stdout] 246 | fn subtree_positions() {}
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `subtree_leafrange`
[INFO] [stdout]    --> src/accumulator/util.rs:248:4
[INFO] [stdout]     |
[INFO] [stdout] 248 | fn subtree_leafrange() {}
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `to_leaves`
[INFO] [stdout]    --> src/accumulator/util.rs:250:4
[INFO] [stdout]     |
[INFO] [stdout] 250 | fn to_leaves() {}
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `previous_pow2`
[INFO] [stdout]    --> src/accumulator/util.rs:254:4
[INFO] [stdout]     |
[INFO] [stdout] 254 | fn previous_pow2(n: u64) -> u64 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Hash`
[INFO] [stdout]   --> src/accumulator/pollard.rs:12:31
[INFO] [stdout]    |
[INFO] [stdout] 12 | use bitcoin::hashes::{sha256, Hash};
[INFO] [stdout]    |                               ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `block_header`
[INFO] [stdout]   --> src/accumulator/types.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     block_header: HASH,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `outpoint`
[INFO] [stdout]   --> src/accumulator/types.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     outpoint: transaction::OutPoint,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `height`
[INFO] [stdout]   --> src/accumulator/types.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     height: i32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `is_coinbase`
[INFO] [stdout]   --> src/accumulator/types.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     is_coinbase: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `amt`
[INFO] [stdout]   --> src/accumulator/types.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     amt: i64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `pk_script`
[INFO] [stdout]   --> src/accumulator/types.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pk_script: Vec<u8>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `grab_pos`
[INFO] [stdout]    --> src/accumulator/pollard.rs:151:8
[INFO] [stdout]     |
[INFO] [stdout] 151 |     fn grab_pos(&mut self, pos: u64) -> Option<(PolNode, PolNode, HashableNode)> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `grab_niece`
[INFO] [stdout]    --> src/accumulator/pollard.rs:153:12
[INFO] [stdout]     |
[INFO] [stdout] 153 |         fn grab_niece(mut p_node: PolNode, mut p_node_sib: PolNode, branch_len: u8, bits: u64) -> Option<(PolNode, PolNode, u8)> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `aunt_op`
[INFO] [stdout]    --> src/accumulator/pollard.rs:244:8
[INFO] [stdout]     |
[INFO] [stdout] 244 |     fn aunt_op(&self) -> sha256::Hash {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pol_swap`
[INFO] [stdout]    --> src/accumulator/pollard.rs:293:4
[INFO] [stdout]     |
[INFO] [stdout] 293 | fn pol_swap<'a, 'b>(mut a: &'a mut PolNode, mut asib: &'b mut PolNode, mut b: &'a mut PolNode, mut bsib: &'b mut PolNode) {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `check_root`
[INFO] [stdout]    --> src/accumulator/pollard.rs:356:8
[INFO] [stdout]     |
[INFO] [stdout] 356 |     fn check_root() {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_pol_del`
[INFO] [stdout]    --> src/accumulator/pollard.rs:359:8
[INFO] [stdout]     |
[INFO] [stdout] 359 |     fn test_pol_del() {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value passed to `p_node_sib` is never read
[INFO] [stdout]    --> src/accumulator/pollard.rs:153:48
[INFO] [stdout]     |
[INFO] [stdout] 153 |         fn grab_niece(mut p_node: PolNode, mut p_node_sib: PolNode, branch_len: u8, bits: u64) -> Option<(PolNode, PolNode, u8)> {
[INFO] [stdout]     |                                                ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `row_offset`
[INFO] [stdout]   --> src/accumulator/util.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn row_offset(row: u8, forest_rows: u8) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `child`
[INFO] [stdout]    --> src/accumulator/util.rs:124:4
[INFO] [stdout]     |
[INFO] [stdout] 124 | fn child(pos: u64, forest_rows: u8) -> u64 {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `n_grandchild`
[INFO] [stdout]    --> src/accumulator/util.rs:132:4
[INFO] [stdout]     |
[INFO] [stdout] 132 | fn n_grandchild(pos: u64, drop: u8, forest_rows: u8) -> Result<u64, u8> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cousin`
[INFO] [stdout]    --> src/accumulator/util.rs:166:4
[INFO] [stdout]     |
[INFO] [stdout] 166 | fn cousin(pos: u64) -> u64 {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `num_roots`
[INFO] [stdout]    --> src/accumulator/util.rs:216:4
[INFO] [stdout]     |
[INFO] [stdout] 216 | fn num_roots(num_leaves: u64) -> u8 {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_roots_reverse`
[INFO] [stdout]    --> src/accumulator/util.rs:240:4
[INFO] [stdout]     |
[INFO] [stdout] 240 | fn get_roots_reverse(_num_leaves: u64, _forest_rows: u8) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `subtree_positions`
[INFO] [stdout]    --> src/accumulator/util.rs:246:4
[INFO] [stdout]     |
[INFO] [stdout] 246 | fn subtree_positions() {}
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `subtree_leafrange`
[INFO] [stdout]    --> src/accumulator/util.rs:248:4
[INFO] [stdout]     |
[INFO] [stdout] 248 | fn subtree_leafrange() {}
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `to_leaves`
[INFO] [stdout]    --> src/accumulator/util.rs:250:4
[INFO] [stdout]     |
[INFO] [stdout] 250 | fn to_leaves() {}
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `previous_pow2`
[INFO] [stdout]    --> src/accumulator/util.rs:254:4
[INFO] [stdout]     |
[INFO] [stdout] 254 | fn previous_pow2(n: u64) -> u64 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `block_header`
[INFO] [stdout]   --> src/accumulator/types.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     block_header: HASH,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `outpoint`
[INFO] [stdout]   --> src/accumulator/types.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     outpoint: transaction::OutPoint,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `height`
[INFO] [stdout]   --> src/accumulator/types.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     height: i32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `is_coinbase`
[INFO] [stdout]   --> src/accumulator/types.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     is_coinbase: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `amt`
[INFO] [stdout]   --> src/accumulator/types.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     amt: i64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `pk_script`
[INFO] [stdout]   --> src/accumulator/types.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pk_script: Vec<u8>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `grab_pos`
[INFO] [stdout]    --> src/accumulator/pollard.rs:151:8
[INFO] [stdout]     |
[INFO] [stdout] 151 |     fn grab_pos(&mut self, pos: u64) -> Option<(PolNode, PolNode, HashableNode)> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `grab_niece`
[INFO] [stdout]    --> src/accumulator/pollard.rs:153:12
[INFO] [stdout]     |
[INFO] [stdout] 153 |         fn grab_niece(mut p_node: PolNode, mut p_node_sib: PolNode, branch_len: u8, bits: u64) -> Option<(PolNode, PolNode, u8)> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `aunt_op`
[INFO] [stdout]    --> src/accumulator/pollard.rs:244:8
[INFO] [stdout]     |
[INFO] [stdout] 244 |     fn aunt_op(&self) -> sha256::Hash {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pol_swap`
[INFO] [stdout]    --> src/accumulator/pollard.rs:293:4
[INFO] [stdout]     |
[INFO] [stdout] 293 | fn pol_swap<'a, 'b>(mut a: &'a mut PolNode, mut asib: &'b mut PolNode, mut b: &'a mut PolNode, mut bsib: &'b mut PolNode) {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "c655207f3c4228022bd946f8911718b6c81cc0577b6836968022281e8b741dbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c655207f3c4228022bd946f8911718b6c81cc0577b6836968022281e8b741dbd", kill_on_drop: false }`
[INFO] [stdout] c655207f3c4228022bd946f8911718b6c81cc0577b6836968022281e8b741dbd