[INFO] fetching crate yrs 0.17.1...
[INFO] checking yrs-0.17.1 against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393
[INFO] extracting crate yrs 0.17.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate yrs 0.17.1 on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yrs 0.17.1
[INFO] finished tweaking crates.io crate yrs 0.17.1
[INFO] tweaked toml for crates.io crate yrs 0.17.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c616c1dd09a754a03db8e949c5107a613176bf8fdd34e61a6c14fbc7ae54e7b4
[INFO] running `Command { std: "docker" "start" "-a" "c616c1dd09a754a03db8e949c5107a613176bf8fdd34e61a6c14fbc7ae54e7b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c616c1dd09a754a03db8e949c5107a613176bf8fdd34e61a6c14fbc7ae54e7b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c616c1dd09a754a03db8e949c5107a613176bf8fdd34e61a6c14fbc7ae54e7b4", kill_on_drop: false }`
[INFO] [stdout] c616c1dd09a754a03db8e949c5107a613176bf8fdd34e61a6c14fbc7ae54e7b4
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2cf6e41187a32a5c79cba0010683330576f0487b5d56301606fecdb7438989e4
[INFO] running `Command { std: "docker" "start" "-a" "2cf6e41187a32a5c79cba0010683330576f0487b5d56301606fecdb7438989e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling rustix v0.38.30
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[INFO] [stdout] warning: unused import: `TypeRef`
[INFO] [stdout]  --> src/transaction.rs:8:74
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::types::{Branch, BranchPtr, Event, Events, SharedRef, TypePtr, TypeRef, Value};
[INFO] [stdout]   |                                                                          ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TypeRef`
[INFO] [stdout]   --> src/update.rs:10:29
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::types::{TypePtr, TypeRef};
[INFO] [stdout]    |                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `left` is never read
[INFO] [stdout]    --> src/block.rs:153:17
[INFO] [stdout]     |
[INFO] [stdout] 153 |         let mut left = None;
[INFO] [stdout]     |                 ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ptr`
[INFO] [stdout]    --> src/block.rs:630:33
[INFO] [stdout]     |
[INFO] [stdout] 630 | ...                   let ptr = if this.info.is_deleted() {
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_ptr`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `prev_start` is assigned to, but never used
[INFO] [stdout]    --> src/id_set.rs:171:29
[INFO] [stdout]     |
[INFO] [stdout] 171 |                     let mut prev_start = r.start;
[INFO] [stdout]     |                             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_prev_start` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `prev_start` is never read
[INFO] [stdout]    --> src/id_set.rs:177:25
[INFO] [stdout]     |
[INFO] [stdout] 177 |                         prev_start = r.start;
[INFO] [stdout]     |                         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txn`
[INFO] [stdout]    --> src/types/array.rs:158:31
[INFO] [stdout]     |
[INFO] [stdout] 158 |     fn len<T: ReadTxn>(&self, txn: &T) -> u32 {
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txn`
[INFO] [stdout]    --> src/types/map.rs:136:31
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn len<T: ReadTxn>(&self, txn: &T) -> u32 {
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txn`
[INFO] [stdout]    --> src/types/map.rs:227:40
[INFO] [stdout]     |
[INFO] [stdout] 227 |     fn contains_key<T: ReadTxn>(&self, txn: &T, key: &str) -> bool {
[INFO] [stdout]     |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txn`
[INFO] [stdout]    --> src/types/text.rs:130:38
[INFO] [stdout]     |
[INFO] [stdout] 130 |     fn get_string<T: ReadTxn>(&self, txn: &T) -> String {
[INFO] [stdout]     |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txn`
[INFO] [stdout]    --> src/types/text.rs:170:31
[INFO] [stdout]     |
[INFO] [stdout] 170 |     fn len<T: ReadTxn>(&self, txn: &T) -> u32 {
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txn`
[INFO] [stdout]    --> src/types/text.rs:408:29
[INFO] [stdout]     |
[INFO] [stdout] 408 |     fn diff<T, D, F>(&self, txn: &T, compute_ychange: F) -> Vec<Diff<D>>
[INFO] [stdout]     |                             ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txn`
[INFO] [stdout]    --> src/types/xml.rs:469:38
[INFO] [stdout]     |
[INFO] [stdout] 469 |     fn get_string<T: ReadTxn>(&self, txn: &T) -> String {
[INFO] [stdout]     |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txn`
[INFO] [stdout]    --> src/types/xml.rs:817:31
[INFO] [stdout]     |
[INFO] [stdout] 817 |     fn len<T: ReadTxn>(&self, txn: &T) -> u32 {
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txn`
[INFO] [stdout]    --> src/types/xml.rs:875:31
[INFO] [stdout]     |
[INFO] [stdout] 875 |     fn get<T: ReadTxn>(&self, txn: &T, index: u32) -> Option<XmlNode> {
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `type_ref`
[INFO] [stdout]    --> src/types/mod.rs:259:17
[INFO] [stdout]     |
[INFO] [stdout] 259 |             let type_ref = self.type_ref();
[INFO] [stdout]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_type_ref`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `branch`
[INFO] [stdout]    --> src/update.rs:351:39
[INFO] [stdout]     |
[INFO] [stdout] 351 |                     ItemContent::Type(branch) => {
[INFO] [stdout]     |                                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_branch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `read`
[INFO] [stdout]    --> src/iter.rs:511:21
[INFO] [stdout]     |
[INFO] [stdout] 511 |                 let read = item.content.read(slice.start as usize, b.as_mut_slice());
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `try_trim`, `is_deleted`, `is_countable`, `contains_id`, `right`, and `left` are never used
[INFO] [stdout]    --> src/block.rs:833:12
[INFO] [stdout]     |
[INFO] [stdout] 811 | impl BlockSlice {
[INFO] [stdout]     | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 833 |     pub fn try_trim(&mut self, from: &ID, to: &ID) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 874 |     pub fn is_deleted(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 879 |     pub fn is_countable(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 884 |     pub fn contains_id(&self, id: &ID) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 960 |     pub fn right(&self) -> Option<BlockSlice> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 983 |     pub fn left(&self) -> Option<BlockSlice> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `with_capacity` is never used
[INFO] [stdout]    --> src/block_store.rs:212:12
[INFO] [stdout]     |
[INFO] [stdout] 206 | impl ClientBlockList {
[INFO] [stdout]     | -------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 212 |     pub fn with_capacity(capacity: usize) -> ClientBlockList {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `contains` and `get_client_blocks_with_capacity_mut` are never used
[INFO] [stdout]    --> src/block_store.rs:385:12
[INFO] [stdout]     |
[INFO] [stdout] 370 | impl BlockStore {
[INFO] [stdout]     | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 385 |     pub fn contains(&self, id: &ID) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 476 |     pub(crate) fn get_client_blocks_with_capacity_mut(
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/block_store.rs:543:8
[INFO] [stdout]     |
[INFO] [stdout] 542 | impl<'a> Blocks<'a> {
[INFO] [stdout]     | ------------------- associated function in this implementation
[INFO] [stdout] 543 |     fn new(update: &'a BlockStore) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `link` and `unlink` are never used
[INFO] [stdout]    --> src/transaction.rs:969:8
[INFO] [stdout]     |
[INFO] [stdout] 292 | impl<'doc> TransactionMut<'doc> {
[INFO] [stdout]     | ------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 969 |     fn link(&mut self, mut source: BlockPtr, link: BranchPtr) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 977 |     pub(crate) fn unlink(&mut self, mut source: BlockPtr, link: BranchPtr) {
[INFO] [stdout]     |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `remove_at` is never used
[INFO] [stdout]    --> src/types/mod.rs:615:19
[INFO] [stdout]     |
[INFO] [stdout] 458 | impl Branch {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 615 |     pub(crate) fn remove_at(&self, txn: &mut TransactionMut, index: u32, len: u32) -> u32 {
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from` is never used
[INFO] [stdout]     --> src/types/mod.rs:1064:12
[INFO] [stdout]      |
[INFO] [stdout] 1060 | / impl<'a, T: ReadTxn> Entries<'a, T, T>
[INFO] [stdout] 1061 | | where
[INFO] [stdout] 1062 | |     T: Borrow<T> + ReadTxn,
[INFO] [stdout]      | |___________________________- associated function in this implementation
[INFO] [stdout] 1063 |   {
[INFO] [stdout] 1064 |       pub fn from(source: &'a HashMap<Arc<str>, BlockPtr>, txn: T) -> Self {
[INFO] [stdout]      |              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `blocks` is never used
[INFO] [stdout]   --> src/update.rs:42:19
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl UpdateBlocks {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub(crate) fn blocks(&self) -> Blocks<'_> {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_empty` is never used
[INFO] [stdout]   --> src/update.rs:98:19
[INFO] [stdout]    |
[INFO] [stdout] 93 | impl Update {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 98 |     pub(crate) fn is_empty(&self) -> bool {
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `into_block` is never used
[INFO] [stdout]    --> src/update.rs:842:12
[INFO] [stdout]     |
[INFO] [stdout] 777 | impl BlockCarrier {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 842 |     pub fn into_block(self) -> Option<Box<Block>> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/update.rs:954:8
[INFO] [stdout]     |
[INFO] [stdout] 953 | impl<'a> Blocks<'a> {
[INFO] [stdout]     | ------------------- associated function in this implementation
[INFO] [stdout] 954 |     fn new(update: &'a UpdateBlocks) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `move_to`, `forward`, `backward`, and `values` are never used
[INFO] [stdout]    --> src/block_iter.rs:73:12
[INFO] [stdout]     |
[INFO] [stdout] 23  | impl BlockIter {
[INFO] [stdout]     | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 73  |     pub fn move_to(&mut self, index: u32, txn: &mut TransactionMut) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99  |     pub fn forward<T: ReadTxn>(&mut self, txn: &T, len: u32) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 186 |     pub fn backward<T: ReadTxn>(&mut self, txn: &mut T, mut len: u32) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 521 |     pub fn values<'a, 'txn, T: ReadTxn>(
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/block_iter.rs:535:8
[INFO] [stdout]     |
[INFO] [stdout] 534 | impl<'a, 'txn> Values<'a, 'txn> {
[INFO] [stdout]     | ------------------------------- associated function in this implementation
[INFO] [stdout] 535 |     fn new(iter: &'a mut BlockIter, txn: &'txn mut TransactionMut<'txn>) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/iter.rs:312:8
[INFO] [stdout]     |
[INFO] [stdout] 308 | / impl<I> RangeIter<I>
[INFO] [stdout] 309 | | where
[INFO] [stdout] 310 | |     I: TxnIterator<Item = BlockPtr>,
[INFO] [stdout]     | |____________________________________- associated function in this implementation
[INFO] [stdout] 311 |   {
[INFO] [stdout] 312 |       fn new(iter: I, start: StickyIndex, end: StickyIndex) -> Self {
[INFO] [stdout]     |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Opened` is never constructed
[INFO] [stdout]    --> src/iter.rs:431:5
[INFO] [stdout]     |
[INFO] [stdout] 429 | enum RangeIterState {
[INFO] [stdout]     |      -------------- variant in this enum
[INFO] [stdout] 430 |     /// Ranged iterator position hasn't reach chosen ID range yet.
[INFO] [stdout] 431 |     Opened,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `RangeIterState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/iter.rs:446:8
[INFO] [stdout]     |
[INFO] [stdout] 445 | impl<I> Values<I> {
[INFO] [stdout]     | ----------------- associated function in this implementation
[INFO] [stdout] 446 |     fn new(iter: I) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/block_iter.rs:438:12
[INFO] [stdout]     |
[INFO] [stdout] 438 |         if len < 0 {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 35 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> benches/serialization.rs:156:13
[INFO] [stdout]     |
[INFO] [stdout] 156 |             black_box(Any::from_json(&roundtrip));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 156 |             let _ = black_box(Any::from_json(&roundtrip));
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> benches/serialization.rs:169:13
[INFO] [stdout]     |
[INFO] [stdout] 169 |             black_box(Any::from_json(&any_json));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 169 |             let _ = black_box(Any::from_json(&any_json));
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Delete` is never constructed
[INFO] [stdout]   --> benches/benches.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | enum ArrayOp {
[INFO] [stdout]    |      ------- variant in this enum
[INFO] [stdout] 21 |     Insert(u32, Vec<u32>),
[INFO] [stdout] 22 |     Delete(u32, u32),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `b1_6` is never used
[INFO] [stdout]   --> benches/benches.rs:91:4
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn b1_6<R: RngCore>(rng: &mut R, size: usize) -> Vec<TextOp> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TypeRef`
[INFO] [stdout]  --> src/transaction.rs:8:74
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::types::{Branch, BranchPtr, Event, Events, SharedRef, TypePtr, TypeRef, Value};
[INFO] [stdout]   |                                                                          ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TypeRef`
[INFO] [stdout]   --> src/update.rs:10:29
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::types::{TypePtr, TypeRef};
[INFO] [stdout]    |                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `left` is never read
[INFO] [stdout]    --> src/block.rs:153:17
[INFO] [stdout]     |
[INFO] [stdout] 153 |         let mut left = None;
[INFO] [stdout]     |                 ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ptr`
[INFO] [stdout]    --> src/block.rs:630:33
[INFO] [stdout]     |
[INFO] [stdout] 630 | ...                   let ptr = if this.info.is_deleted() {
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_ptr`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `prev_start` is assigned to, but never used
[INFO] [stdout]    --> src/id_set.rs:171:29
[INFO] [stdout]     |
[INFO] [stdout] 171 |                     let mut prev_start = r.start;
[INFO] [stdout]     |                             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_prev_start` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `prev_start` is never read
[INFO] [stdout]    --> src/id_set.rs:177:25
[INFO] [stdout]     |
[INFO] [stdout] 177 |                         prev_start = r.start;
[INFO] [stdout]     |                         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txn`
[INFO] [stdout]    --> src/types/array.rs:158:31
[INFO] [stdout]     |
[INFO] [stdout] 158 |     fn len<T: ReadTxn>(&self, txn: &T) -> u32 {
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txn`
[INFO] [stdout]    --> src/types/map.rs:136:31
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn len<T: ReadTxn>(&self, txn: &T) -> u32 {
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txn`
[INFO] [stdout]    --> src/types/map.rs:227:40
[INFO] [stdout]     |
[INFO] [stdout] 227 |     fn contains_key<T: ReadTxn>(&self, txn: &T, key: &str) -> bool {
[INFO] [stdout]     |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txn`
[INFO] [stdout]    --> src/types/text.rs:130:38
[INFO] [stdout]     |
[INFO] [stdout] 130 |     fn get_string<T: ReadTxn>(&self, txn: &T) -> String {
[INFO] [stdout]     |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txn`
[INFO] [stdout]    --> src/types/text.rs:170:31
[INFO] [stdout]     |
[INFO] [stdout] 170 |     fn len<T: ReadTxn>(&self, txn: &T) -> u32 {
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txn`
[INFO] [stdout]    --> src/types/text.rs:408:29
[INFO] [stdout]     |
[INFO] [stdout] 408 |     fn diff<T, D, F>(&self, txn: &T, compute_ychange: F) -> Vec<Diff<D>>
[INFO] [stdout]     |                             ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txn`
[INFO] [stdout]    --> src/types/xml.rs:469:38
[INFO] [stdout]     |
[INFO] [stdout] 469 |     fn get_string<T: ReadTxn>(&self, txn: &T) -> String {
[INFO] [stdout]     |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txn`
[INFO] [stdout]    --> src/types/xml.rs:817:31
[INFO] [stdout]     |
[INFO] [stdout] 817 |     fn len<T: ReadTxn>(&self, txn: &T) -> u32 {
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txn`
[INFO] [stdout]    --> src/types/xml.rs:875:31
[INFO] [stdout]     |
[INFO] [stdout] 875 |     fn get<T: ReadTxn>(&self, txn: &T, index: u32) -> Option<XmlNode> {
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `type_ref`
[INFO] [stdout]    --> src/types/mod.rs:259:17
[INFO] [stdout]     |
[INFO] [stdout] 259 |             let type_ref = self.type_ref();
[INFO] [stdout]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_type_ref`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `branch`
[INFO] [stdout]    --> src/update.rs:351:39
[INFO] [stdout]     |
[INFO] [stdout] 351 |                     ItemContent::Type(branch) => {
[INFO] [stdout]     |                                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_branch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes_v2`
[INFO] [stdout]     --> src/update.rs:1233:13
[INFO] [stdout]      |
[INFO] [stdout] 1233 |         let bytes_v2 = update_v1.encode_v2();
[INFO] [stdout]      |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes_v2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `read`
[INFO] [stdout]    --> src/iter.rs:511:21
[INFO] [stdout]     |
[INFO] [stdout] 511 |                 let read = item.content.read(slice.start as usize, b.as_mut_slice());
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `try_trim`, `is_deleted`, `is_countable`, `contains_id`, `right`, and `left` are never used
[INFO] [stdout]    --> src/block.rs:833:12
[INFO] [stdout]     |
[INFO] [stdout] 811 | impl BlockSlice {
[INFO] [stdout]     | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 833 |     pub fn try_trim(&mut self, from: &ID, to: &ID) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 874 |     pub fn is_deleted(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 879 |     pub fn is_countable(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 884 |     pub fn contains_id(&self, id: &ID) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 960 |     pub fn right(&self) -> Option<BlockSlice> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 983 |     pub fn left(&self) -> Option<BlockSlice> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `contains` is never used
[INFO] [stdout]    --> src/block_store.rs:385:12
[INFO] [stdout]     |
[INFO] [stdout] 370 | impl BlockStore {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 385 |     pub fn contains(&self, id: &ID) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/block_store.rs:543:8
[INFO] [stdout]     |
[INFO] [stdout] 542 | impl<'a> Blocks<'a> {
[INFO] [stdout]     | ------------------- associated function in this implementation
[INFO] [stdout] 543 |     fn new(update: &'a BlockStore) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `link` and `unlink` are never used
[INFO] [stdout]    --> src/transaction.rs:969:8
[INFO] [stdout]     |
[INFO] [stdout] 292 | impl<'doc> TransactionMut<'doc> {
[INFO] [stdout]     | ------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 969 |     fn link(&mut self, mut source: BlockPtr, link: BranchPtr) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 977 |     pub(crate) fn unlink(&mut self, mut source: BlockPtr, link: BranchPtr) {
[INFO] [stdout]     |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `remove_at` is never used
[INFO] [stdout]    --> src/types/mod.rs:615:19
[INFO] [stdout]     |
[INFO] [stdout] 458 | impl Branch {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 615 |     pub(crate) fn remove_at(&self, txn: &mut TransactionMut, index: u32, len: u32) -> u32 {
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from` is never used
[INFO] [stdout]     --> src/types/mod.rs:1064:12
[INFO] [stdout]      |
[INFO] [stdout] 1060 | / impl<'a, T: ReadTxn> Entries<'a, T, T>
[INFO] [stdout] 1061 | | where
[INFO] [stdout] 1062 | |     T: Borrow<T> + ReadTxn,
[INFO] [stdout]      | |___________________________- associated function in this implementation
[INFO] [stdout] 1063 |   {
[INFO] [stdout] 1064 |       pub fn from(source: &'a HashMap<Arc<str>, BlockPtr>, txn: T) -> Self {
[INFO] [stdout]      |              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_empty` is never used
[INFO] [stdout]   --> src/update.rs:98:19
[INFO] [stdout]    |
[INFO] [stdout] 93 | impl Update {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 98 |     pub(crate) fn is_empty(&self) -> bool {
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `into_block` is never used
[INFO] [stdout]    --> src/update.rs:842:12
[INFO] [stdout]     |
[INFO] [stdout] 777 | impl BlockCarrier {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 842 |     pub fn into_block(self) -> Option<Box<Block>> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `move_to`, `forward`, `backward`, and `values` are never used
[INFO] [stdout]    --> src/block_iter.rs:73:12
[INFO] [stdout]     |
[INFO] [stdout] 23  | impl BlockIter {
[INFO] [stdout]     | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 73  |     pub fn move_to(&mut self, index: u32, txn: &mut TransactionMut) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99  |     pub fn forward<T: ReadTxn>(&mut self, txn: &T, len: u32) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 186 |     pub fn backward<T: ReadTxn>(&mut self, txn: &mut T, mut len: u32) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 521 |     pub fn values<'a, 'txn, T: ReadTxn>(
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/block_iter.rs:535:8
[INFO] [stdout]     |
[INFO] [stdout] 534 | impl<'a, 'txn> Values<'a, 'txn> {
[INFO] [stdout]     | ------------------------------- associated function in this implementation
[INFO] [stdout] 535 |     fn new(iter: &'a mut BlockIter, txn: &'txn mut TransactionMut<'txn>) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `rng`, `get`, `connect`, `disconnect_all`, and `peers` are never used
[INFO] [stdout]    --> src/test_utils.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout] 87  | impl TestConnector {
[INFO] [stdout]     | ------------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 111 |     pub fn rng(&self) -> RefMut<StdRng> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 153 |     pub fn get(&self, client_id: &ClientID) -> Option<&TestPeer> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 182 |     pub fn connect(&self, client_id: ClientID) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 236 |     pub fn disconnect_all(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 440 |     pub fn peers(&self) -> Peers {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `doc_mut` is never used
[INFO] [stdout]    --> src/test_utils.rs:480:12
[INFO] [stdout]     |
[INFO] [stdout] 463 | impl TestPeer {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 480 |     pub fn doc_mut(&mut self) -> &mut Doc {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `len`, `is_empty`, `chars_to_bytes`, and `patches` are never used
[INFO] [stdout]   --> src/tests/edit_traces.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl TestData {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] 38 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn chars_to_bytes(&self) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90 |     pub fn patches(&self) -> impl Iterator<Item = &TestPatch> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/block_iter.rs:438:12
[INFO] [stdout]     |
[INFO] [stdout] 438 |         if len < 0 {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 33 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.17s
[INFO] running `Command { std: "docker" "inspect" "2cf6e41187a32a5c79cba0010683330576f0487b5d56301606fecdb7438989e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cf6e41187a32a5c79cba0010683330576f0487b5d56301606fecdb7438989e4", kill_on_drop: false }`
[INFO] [stdout] 2cf6e41187a32a5c79cba0010683330576f0487b5d56301606fecdb7438989e4
