[INFO] fetching crate tetsy-trie-db 0.22.3...
[INFO] checking tetsy-trie-db-0.22.3 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate tetsy-trie-db 0.22.3 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate tetsy-trie-db 0.22.3
[INFO] finished tweaking crates.io crate tetsy-trie-db 0.22.3
[INFO] tweaked toml for crates.io crate tetsy-trie-db 0.22.3 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tetsy-trie-db 0.22.3 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] [stderr]       Adding hashbrown v0.9.1 (available: v0.16.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c88104906232e80549b519f4fc72a8d9fa08f04486db44f8bf4d6374654fc61
[INFO] running `Command { std: "docker" "start" "-a" "8c88104906232e80549b519f4fc72a8d9fa08f04486db44f8bf4d6374654fc61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c88104906232e80549b519f4fc72a8d9fa08f04486db44f8bf4d6374654fc61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c88104906232e80549b519f4fc72a8d9fa08f04486db44f8bf4d6374654fc61", kill_on_drop: false }`
[INFO] [stdout] 8c88104906232e80549b519f4fc72a8d9fa08f04486db44f8bf4d6374654fc61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 833f46233b505f640d18962355779b83dfc15b11bcffc291dc523fd7436f978a
[INFO] running `Command { std: "docker" "start" "-a" "833f46233b505f640d18962355779b83dfc15b11bcffc291dc523fd7436f978a", kill_on_drop: false }`
[INFO] [stderr]     Checking ahash v0.4.8
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking tetsy-hash-db v0.15.3
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking tetsy-trie-db v0.22.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]     --> src/triedbmut.rs:1182:6
[INFO] [stdout]      |
[INFO] [stdout] 1182 |                 };
[INFO] [stdout]      |                  ^ help: remove this semicolon
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]     --> src/triedbmut.rs:1228:6
[INFO] [stdout]      |
[INFO] [stdout] 1228 |                 };
[INFO] [stdout]      |                  ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]     --> src/triedbmut.rs:1182:6
[INFO] [stdout]      |
[INFO] [stdout] 1182 |                 };
[INFO] [stdout]      |                  ^ help: remove this semicolon
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]     --> src/triedbmut.rs:1228:6
[INFO] [stdout]      |
[INFO] [stdout] 1228 |                 };
[INFO] [stdout]      |                  ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `layout` is never read
[INFO] [stdout]    --> src/lib.rs:269:2
[INFO] [stdout]     |
[INFO] [stdout] 267 | pub struct TrieFactory<L: TrieLayout> {
[INFO] [stdout]     |            ----------- field in this struct
[INFO] [stdout] 268 |     spec: TrieSpec,
[INFO] [stdout] 269 |     layout: L,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TrieFactory` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:202:15
[INFO] [stdout]     |
[INFO] [stdout] 202 |     fn iter<'a>(&'a self) -> Result<
[INFO] [stdout]     |                  ^^ the lifetime is named here
[INFO] [stdout] 203 |         Box<dyn TrieIterator<L, Item = TrieItem<TrieHash<L>, CError<L> >> + 'a>,
[INFO] [stdout]     |                                        --------------------------------- the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 203 |         Box<dyn TrieIterator<L, Item = TrieItem<'a, TrieHash<L>, CError<L> >> + 'a>,
[INFO] [stdout]     |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:316:15
[INFO] [stdout]     |
[INFO] [stdout] 316 |     fn iter<'a>(&'a self) -> Result<
[INFO] [stdout]     |                  ^^ the lifetime is named here
[INFO] [stdout] 317 |         Box<dyn TrieIterator<L, Item = TrieItem<TrieHash<L>, CError<L>>> + 'a>,
[INFO] [stdout]     |                                        -------------------------------- the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 317 |         Box<dyn TrieIterator<L, Item = TrieItem<'a, TrieHash<L>, CError<L>>> + 'a>,
[INFO] [stdout]     |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/node.rs:204:14
[INFO] [stdout]     |
[INFO] [stdout] 204 |     pub fn node(&self) -> Node {
[INFO] [stdout]     |                 ^^^^^     ---- the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 204 |     pub fn node(&self) -> Node<'_> {
[INFO] [stdout]     |                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/proof/generate.rs:211:5
[INFO] [stdout]     |
[INFO] [stdout] 211 |                 &mut hash.as_mut()[..encoded_child.len()].copy_from_slice(encoded_child);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 211 |                 let _ = &mut hash.as_mut()[..encoded_child.len()].copy_from_slice(encoded_child);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/proof/verify.rs:454:6
[INFO] [stdout]     |
[INFO] [stdout] 454 |                     &mut hash.as_mut()[..node_data.len()].copy_from_slice(node_data.as_ref());
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 454 |                     let _ = &mut hash.as_mut()[..node_data.len()].copy_from_slice(node_data.as_ref());
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/triedb.rs:138:15
[INFO] [stdout]     |
[INFO] [stdout] 138 |     fn iter<'a>(&'a self)-> Result<
[INFO] [stdout]     |                  ^^ the lifetime is named here
[INFO] [stdout] 139 |         Box<dyn TrieIterator<L, Item=TrieItem<TrieHash<L>, CError<L>>> + 'a>,
[INFO] [stdout]     |                                      -------------------------------- the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 139 |         Box<dyn TrieIterator<L, Item=TrieItem<'a, TrieHash<L>, CError<L>>> + 'a>,
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/triedbmut.rs:334:5
[INFO] [stdout]     |
[INFO] [stdout] 334 |                 &mut hash.as_mut()[..data.len()].copy_from_slice(data);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 334 |                 let _ = &mut hash.as_mut()[..data.len()].copy_from_slice(data);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/sectriedb.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn raw(&self) -> &TrieDB<L> {
[INFO] [stdout]    |                ^^^^^     ----------
[INFO] [stdout]    |                |         ||
[INFO] [stdout]    |                |         |the same lifetime is hidden here
[INFO] [stdout]    |                |         the same lifetime is elided here
[INFO] [stdout]    |                the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn raw(&self) -> &TrieDB<'_, L> {
[INFO] [stdout]    |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/sectriedb.rs:77:15
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn iter<'a>(&'a self) -> Result<
[INFO] [stdout]    |                  ^^ the lifetime is named here
[INFO] [stdout] 78 |         Box<dyn TrieIterator<L, Item = TrieItem<TrieHash<L>, CError<L>>> + 'a>,
[INFO] [stdout]    |                                        -------------------------------- the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 78 |         Box<dyn TrieIterator<L, Item = TrieItem<'a, TrieHash<L>, CError<L>>> + 'a>,
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/fatdb.rs:67:15
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn iter<'a>(&'a self) -> Result<
[INFO] [stdout]    |                  ^^ the lifetime is named here
[INFO] [stdout] 68 |         Box<dyn TrieIterator<L, Item = TrieItem<TrieHash<L>, CError<L>>> + 'a>,
[INFO] [stdout]    |                                        -------------------------------- the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 68 |         Box<dyn TrieIterator<L, Item = TrieItem<'a, TrieHash<L>, CError<L>>> + 'a>,
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/nibble/nibblevec.rs:101:19
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub fn as_prefix(&self) -> Prefix {
[INFO] [stdout]     |                      ^^^^^     ------ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub fn as_prefix(&self) -> Prefix<'_> {
[INFO] [stdout]     |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/nibble/nibblevec.rs:199:24
[INFO] [stdout]     |
[INFO] [stdout] 199 |     pub fn as_nibbleslice(&self) -> Option<NibbleSlice> {
[INFO] [stdout]     |                           ^^^^^            ----------- the same lifetime is hidden here
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 199 |     pub fn as_nibbleslice(&self) -> Option<NibbleSlice<'_>> {
[INFO] [stdout]     |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/nibble/nibbleslice.rs:56:24
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn from_stored(i: &NodeKey) -> NibbleSlice {
[INFO] [stdout]    |                           ^^^^^^^^     ----------- the same lifetime is hidden here
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn from_stored(i: &NodeKey) -> NibbleSlice<'_> {
[INFO] [stdout]    |                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/nibble/nibbleslice.rs:146:16
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn right(&'a self) -> Partial {
[INFO] [stdout]     |                   ^^          ------- the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn right(&'a self) -> Partial<'a> {
[INFO] [stdout]     |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/nibble/nibbleslice.rs:217:15
[INFO] [stdout]     |
[INFO] [stdout] 217 |     pub fn left(&'a self) -> Prefix {
[INFO] [stdout]     |                  ^^          ------ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 217 |     pub fn left(&'a self) -> Prefix<'a> {
[INFO] [stdout]     |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/node_codec.rs:47:18
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn decode(data: &[u8]) -> Result<Node, Self::Error> {
[INFO] [stdout]    |                     ^^^^^            ---- the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn decode(data: &[u8]) -> Result<Node<'_>, Self::Error> {
[INFO] [stdout]    |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `layout` is never read
[INFO] [stdout]    --> src/lib.rs:269:2
[INFO] [stdout]     |
[INFO] [stdout] 267 | pub struct TrieFactory<L: TrieLayout> {
[INFO] [stdout]     |            ----------- field in this struct
[INFO] [stdout] 268 |     spec: TrieSpec,
[INFO] [stdout] 269 |     layout: L,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TrieFactory` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:202:15
[INFO] [stdout]     |
[INFO] [stdout] 202 |     fn iter<'a>(&'a self) -> Result<
[INFO] [stdout]     |                  ^^ the lifetime is named here
[INFO] [stdout] 203 |         Box<dyn TrieIterator<L, Item = TrieItem<TrieHash<L>, CError<L> >> + 'a>,
[INFO] [stdout]     |                                        --------------------------------- the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 203 |         Box<dyn TrieIterator<L, Item = TrieItem<'a, TrieHash<L>, CError<L> >> + 'a>,
[INFO] [stdout]     |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:316:15
[INFO] [stdout]     |
[INFO] [stdout] 316 |     fn iter<'a>(&'a self) -> Result<
[INFO] [stdout]     |                  ^^ the lifetime is named here
[INFO] [stdout] 317 |         Box<dyn TrieIterator<L, Item = TrieItem<TrieHash<L>, CError<L>>> + 'a>,
[INFO] [stdout]     |                                        -------------------------------- the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 317 |         Box<dyn TrieIterator<L, Item = TrieItem<'a, TrieHash<L>, CError<L>>> + 'a>,
[INFO] [stdout]     |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/node.rs:204:14
[INFO] [stdout]     |
[INFO] [stdout] 204 |     pub fn node(&self) -> Node {
[INFO] [stdout]     |                 ^^^^^     ---- the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 204 |     pub fn node(&self) -> Node<'_> {
[INFO] [stdout]     |                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/proof/generate.rs:211:5
[INFO] [stdout]     |
[INFO] [stdout] 211 |                 &mut hash.as_mut()[..encoded_child.len()].copy_from_slice(encoded_child);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 211 |                 let _ = &mut hash.as_mut()[..encoded_child.len()].copy_from_slice(encoded_child);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/proof/verify.rs:454:6
[INFO] [stdout]     |
[INFO] [stdout] 454 |                     &mut hash.as_mut()[..node_data.len()].copy_from_slice(node_data.as_ref());
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 454 |                     let _ = &mut hash.as_mut()[..node_data.len()].copy_from_slice(node_data.as_ref());
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/triedb.rs:138:15
[INFO] [stdout]     |
[INFO] [stdout] 138 |     fn iter<'a>(&'a self)-> Result<
[INFO] [stdout]     |                  ^^ the lifetime is named here
[INFO] [stdout] 139 |         Box<dyn TrieIterator<L, Item=TrieItem<TrieHash<L>, CError<L>>> + 'a>,
[INFO] [stdout]     |                                      -------------------------------- the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 139 |         Box<dyn TrieIterator<L, Item=TrieItem<'a, TrieHash<L>, CError<L>>> + 'a>,
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/triedbmut.rs:334:5
[INFO] [stdout]     |
[INFO] [stdout] 334 |                 &mut hash.as_mut()[..data.len()].copy_from_slice(data);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 334 |                 let _ = &mut hash.as_mut()[..data.len()].copy_from_slice(data);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/sectriedb.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn raw(&self) -> &TrieDB<L> {
[INFO] [stdout]    |                ^^^^^     ----------
[INFO] [stdout]    |                |         ||
[INFO] [stdout]    |                |         |the same lifetime is hidden here
[INFO] [stdout]    |                |         the same lifetime is elided here
[INFO] [stdout]    |                the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn raw(&self) -> &TrieDB<'_, L> {
[INFO] [stdout]    |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/sectriedb.rs:77:15
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn iter<'a>(&'a self) -> Result<
[INFO] [stdout]    |                  ^^ the lifetime is named here
[INFO] [stdout] 78 |         Box<dyn TrieIterator<L, Item = TrieItem<TrieHash<L>, CError<L>>> + 'a>,
[INFO] [stdout]    |                                        -------------------------------- the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 78 |         Box<dyn TrieIterator<L, Item = TrieItem<'a, TrieHash<L>, CError<L>>> + 'a>,
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/fatdb.rs:67:15
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn iter<'a>(&'a self) -> Result<
[INFO] [stdout]    |                  ^^ the lifetime is named here
[INFO] [stdout] 68 |         Box<dyn TrieIterator<L, Item = TrieItem<TrieHash<L>, CError<L>>> + 'a>,
[INFO] [stdout]    |                                        -------------------------------- the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 68 |         Box<dyn TrieIterator<L, Item = TrieItem<'a, TrieHash<L>, CError<L>>> + 'a>,
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/nibble/nibblevec.rs:101:19
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub fn as_prefix(&self) -> Prefix {
[INFO] [stdout]     |                      ^^^^^     ------ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub fn as_prefix(&self) -> Prefix<'_> {
[INFO] [stdout]     |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/nibble/nibblevec.rs:199:24
[INFO] [stdout]     |
[INFO] [stdout] 199 |     pub fn as_nibbleslice(&self) -> Option<NibbleSlice> {
[INFO] [stdout]     |                           ^^^^^            ----------- the same lifetime is hidden here
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 199 |     pub fn as_nibbleslice(&self) -> Option<NibbleSlice<'_>> {
[INFO] [stdout]     |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/nibble/nibbleslice.rs:56:24
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn from_stored(i: &NodeKey) -> NibbleSlice {
[INFO] [stdout]    |                           ^^^^^^^^     ----------- the same lifetime is hidden here
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn from_stored(i: &NodeKey) -> NibbleSlice<'_> {
[INFO] [stdout]    |                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/nibble/nibbleslice.rs:146:16
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn right(&'a self) -> Partial {
[INFO] [stdout]     |                   ^^          ------- the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn right(&'a self) -> Partial<'a> {
[INFO] [stdout]     |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/nibble/nibbleslice.rs:217:15
[INFO] [stdout]     |
[INFO] [stdout] 217 |     pub fn left(&'a self) -> Prefix {
[INFO] [stdout]     |                  ^^          ------ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 217 |     pub fn left(&'a self) -> Prefix<'a> {
[INFO] [stdout]     |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/node_codec.rs:47:18
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn decode(data: &[u8]) -> Result<Node, Self::Error> {
[INFO] [stdout]    |                     ^^^^^            ---- the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn decode(data: &[u8]) -> Result<Node<'_>, Self::Error> {
[INFO] [stdout]    |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.97s
[INFO] running `Command { std: "docker" "inspect" "833f46233b505f640d18962355779b83dfc15b11bcffc291dc523fd7436f978a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "833f46233b505f640d18962355779b83dfc15b11bcffc291dc523fd7436f978a", kill_on_drop: false }`
[INFO] [stdout] 833f46233b505f640d18962355779b83dfc15b11bcffc291dc523fd7436f978a