[INFO] fetching crate pouch-server 0.3.0...
[INFO] building pouch-server-0.3.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate pouch-server 0.3.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate pouch-server 0.3.0
[INFO] finished tweaking crates.io crate pouch-server 0.3.0
[INFO] tweaked toml for crates.io crate pouch-server 0.3.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pouch-server 0.3.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate pouch-server 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4fadfd415a9a6c84588bf75ae802eb78b542a88788e0aa72c5127f27b93c73c
[INFO] running `Command { std: "docker" "start" "-a" "e4fadfd415a9a6c84588bf75ae802eb78b542a88788e0aa72c5127f27b93c73c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4fadfd415a9a6c84588bf75ae802eb78b542a88788e0aa72c5127f27b93c73c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4fadfd415a9a6c84588bf75ae802eb78b542a88788e0aa72c5127f27b93c73c", kill_on_drop: false }`
[INFO] [stdout] e4fadfd415a9a6c84588bf75ae802eb78b542a88788e0aa72c5127f27b93c73c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee89ee57a5a06b8d690e6679f9509fca027cba72ef76d918436ed35c04816bc1
[INFO] running `Command { std: "docker" "start" "-a" "ee89ee57a5a06b8d690e6679f9509fca027cba72ef76d918436ed35c04816bc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.205
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling serde_json v1.0.122
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling http v1.1.0
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling data-encoding v2.6.0
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]    Compiling mio v1.0.1
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling dashmap v6.0.1
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling serde_derive v1.0.205
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling tokio v1.39.2
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling tungstenite v0.23.0
[INFO] [stderr]    Compiling tokio-tungstenite v0.23.1
[INFO] [stderr]    Compiling pouch-sdk v0.3.0
[INFO] [stderr]    Compiling pouch-server v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/processor/lists.rs:7:21
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn get_list_ref(&self, key: &String) -> Option<Ref<String, DbValue>> {
[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]   = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn get_list_ref(&self, key: &String) -> Option<Ref<'_, String, DbValue>> {
[INFO] [stdout]   |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/processor/lists.rs:10:25
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn get_list_ref_mut(&self, key: &String) -> Option<RefMut<String, DbValue>> {
[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] 10 |     fn get_list_ref_mut(&self, key: &String) -> Option<RefMut<'_, String, DbValue>> {
[INFO] [stdout]    |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_string_ref` is never used
[INFO] [stdout]    --> src/processor/strings.rs:164:8
[INFO] [stdout]     |
[INFO] [stdout]   7 | impl InMemoryDb {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 164 |     fn get_string_ref(&self, key: &String) -> Option<Ref<String, DbValue>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BloomFilter` is never constructed
[INFO] [stdout]  --> src/structures/bloom_filter.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub(crate) struct BloomFilter {
[INFO] [stdout]   |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `hash`, `add`, and `contains` are never used
[INFO] [stdout]   --> src/structures/bloom_filter.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl BloomFilter {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] 10 |     pub fn new(size: usize, num_hashes: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn hash<T: Hash>(&self, item: &T, i: usize) -> usize {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn add<T: Hash>(&mut self, item: &T) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn contains<T: Hash>(&self, item: &T) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/processor/strings.rs:164:23
[INFO] [stdout]     |
[INFO] [stdout] 164 |     fn get_string_ref(&self, key: &String) -> Option<Ref<String, DbValue>> {
[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] 164 |     fn get_string_ref(&self, key: &String) -> Option<Ref<'_, String, DbValue>> {
[INFO] [stdout]     |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/processor/sorted_sets.rs:9:27
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn get_sorted_set_ref(&self, key: &String) -> Option<Ref<String, DbValue>> {
[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] 9 |     fn get_sorted_set_ref(&self, key: &String) -> Option<Ref<'_, String, DbValue>> {
[INFO] [stdout]   |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/processor/db.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         &self,
[INFO] [stdout]    |         ^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 56 |     ) -> Option<Ref<String, DbValue>>
[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: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 56 |     ) -> Option<Ref<'_, String, DbValue>>
[INFO] [stdout]    |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/processor/sorted_sets.rs:13:31
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn get_sorted_set_ref_mut(&self, key: &String) -> Option<RefMut<String, DbValue>> {
[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] 13 |     fn get_sorted_set_ref_mut(&self, key: &String) -> Option<RefMut<'_, String, DbValue>> {
[INFO] [stdout]    |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/processor/db.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         &self,
[INFO] [stdout]    |         ^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 70 |     ) -> Option<RefMut<String, DbValue>>
[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: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 70 |     ) -> Option<RefMut<'_, String, DbValue>>
[INFO] [stdout]    |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/processor/sets.rs:51:20
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn get_set_ref(&self, key: &String) -> Option<Ref<String, DbValue>> {
[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] 51 |     fn get_set_ref(&self, key: &String) -> Option<Ref<'_, String, DbValue>> {
[INFO] [stdout]    |                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Bucket` is never constructed
[INFO] [stdout]  --> src/structures/cuckoo_filter.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Bucket {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `insert`, `remove`, and `contains` are never used
[INFO] [stdout]   --> src/structures/cuckoo_filter.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Bucket {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 12 |     fn new(size: usize) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     fn insert(&mut self, fingerprint: u64) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     fn remove(&mut self, fingerprint: u64) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     fn contains(&self, fingerprint: u64) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CuckooFilter` is never constructed
[INFO] [stdout]   --> src/structures/cuckoo_filter.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub struct CuckooFilter {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/structures/cuckoo_filter.rs:51:12
[INFO] [stdout]     |
[INFO] [stdout]  50 | impl CuckooFilter {
[INFO] [stdout]     | ----------------- associated items in this implementation
[INFO] [stdout]  51 |     pub fn new(num_buckets: usize, bucket_size: usize, max_kicks: usize) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  60 |     fn hash<T: Hash>(&self, item: &T) -> u64 {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout]  66 |     fn fingerprint(&self, hash: u64) -> u64 {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  70 |     fn index(&self, hash: u64) -> usize {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  74 |     fn alt_index(&self, index: usize, fingerprint: u64) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  78 |     pub fn add<T: Hash>(&mut self, item: &T) -> bool {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 |     pub fn contains<T: Hash>(&self, item: &T) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |     pub fn remove<T: Hash>(&mut self, item: &T) -> bool {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Changed` is never constructed
[INFO] [stdout]   --> src/structures/sorted_set.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub(crate) enum SortedSetAddReturnType {
[INFO] [stdout]    |                 ---------------------- variant in this enum
[INFO] [stdout] 10 |     Added,   // ZAdd would only return the number of new elements added
[INFO] [stdout] 11 |     Changed, // ZAdd would return sum of new elements added and existing elements with updated scores
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SortedSetAddReturnType` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `score`, `elements`, and `range` are never used
[INFO] [stdout]   --> src/structures/sorted_set.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl<T: Ord + Clone + Eq + std::hash::Hash> SortedSet<T> {
[INFO] [stdout]    | -------------------------------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 80 |     pub fn score(&self, element: &T) -> Option<i64> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |     pub fn elements(&self) -> Vec<&T> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 95 |     pub fn range(&self, min: i64, max: i64) -> Vec<&T> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `must_use` that must be used
[INFO] [stdout]   --> src/main.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 |             format!("started TCP listener on {}", tcp_address);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 61 |             let _ = format!("started TCP listener on {}", tcp_address);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `must_use` that must be used
[INFO] [stdout]   --> src/main.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |             format!("started WS listener on {}", ws_address);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 90 |             let _ = format!("started WS listener on {}", ws_address);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.79s
[INFO] running `Command { std: "docker" "inspect" "ee89ee57a5a06b8d690e6679f9509fca027cba72ef76d918436ed35c04816bc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee89ee57a5a06b8d690e6679f9509fca027cba72ef76d918436ed35c04816bc1", kill_on_drop: false }`
[INFO] [stdout] ee89ee57a5a06b8d690e6679f9509fca027cba72ef76d918436ed35c04816bc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db045ac206674921fbbc39d729c4eb3e4ea1fdf14b4813c4158f7b8a0780aea4
[INFO] running `Command { std: "docker" "start" "-a" "db045ac206674921fbbc39d729c4eb3e4ea1fdf14b4813c4158f7b8a0780aea4", kill_on_drop: false }`
[INFO] [stderr]    Compiling pouch-server v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mango`
[INFO] [stdout]    --> src/processor/db.rs:257:13
[INFO] [stdout]     |
[INFO] [stdout] 257 |         let mango = String::from("mango");
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_mango`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `orange`
[INFO] [stdout]    --> src/processor/db.rs:258:13
[INFO] [stdout]     |
[INFO] [stdout] 258 |         let orange = String::from("orange");
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_orange`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_string_ref` is never used
[INFO] [stdout]    --> src/processor/strings.rs:164:8
[INFO] [stdout]     |
[INFO] [stdout]   7 | impl InMemoryDb {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 164 |     fn get_string_ref(&self, key: &String) -> Option<Ref<String, DbValue>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `size` is never read
[INFO] [stdout]  --> src/structures/cuckoo_filter.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Bucket {
[INFO] [stdout]   |        ------ field in this struct
[INFO] [stdout] 7 |     fingerprints: Vec<Option<u64>>,
[INFO] [stdout] 8 |     size: usize,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Bucket` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `score`, `elements`, and `range` are never used
[INFO] [stdout]   --> src/structures/sorted_set.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl<T: Ord + Clone + Eq + std::hash::Hash> SortedSet<T> {
[INFO] [stdout]    | -------------------------------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 80 |     pub fn score(&self, element: &T) -> Option<i64> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |     pub fn elements(&self) -> Vec<&T> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 95 |     pub fn range(&self, min: i64, max: i64) -> Vec<&T> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/processor/strings.rs:164:23
[INFO] [stdout]     |
[INFO] [stdout] 164 |     fn get_string_ref(&self, key: &String) -> Option<Ref<String, DbValue>> {
[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]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 164 |     fn get_string_ref(&self, key: &String) -> Option<Ref<'_, String, DbValue>> {
[INFO] [stdout]     |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/processor/lists.rs:7:21
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn get_list_ref(&self, key: &String) -> Option<Ref<String, DbValue>> {
[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] 7 |     fn get_list_ref(&self, key: &String) -> Option<Ref<'_, String, DbValue>> {
[INFO] [stdout]   |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/processor/lists.rs:10:25
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn get_list_ref_mut(&self, key: &String) -> Option<RefMut<String, DbValue>> {
[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] 10 |     fn get_list_ref_mut(&self, key: &String) -> Option<RefMut<'_, String, DbValue>> {
[INFO] [stdout]    |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/processor/db.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         &self,
[INFO] [stdout]    |         ^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 56 |     ) -> Option<Ref<String, DbValue>>
[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: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 56 |     ) -> Option<Ref<'_, String, DbValue>>
[INFO] [stdout]    |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/processor/sets.rs:51:20
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn get_set_ref(&self, key: &String) -> Option<Ref<String, DbValue>> {
[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] 51 |     fn get_set_ref(&self, key: &String) -> Option<Ref<'_, String, DbValue>> {
[INFO] [stdout]    |                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/processor/sorted_sets.rs:9:27
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn get_sorted_set_ref(&self, key: &String) -> Option<Ref<String, DbValue>> {
[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] 9 |     fn get_sorted_set_ref(&self, key: &String) -> Option<Ref<'_, String, DbValue>> {
[INFO] [stdout]   |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/processor/sorted_sets.rs:13:31
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn get_sorted_set_ref_mut(&self, key: &String) -> Option<RefMut<String, DbValue>> {
[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] 13 |     fn get_sorted_set_ref_mut(&self, key: &String) -> Option<RefMut<'_, String, DbValue>> {
[INFO] [stdout]    |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/processor/db.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         &self,
[INFO] [stdout]    |         ^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 70 |     ) -> Option<RefMut<String, DbValue>>
[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: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 70 |     ) -> Option<RefMut<'_, String, DbValue>>
[INFO] [stdout]    |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `must_use` that must be used
[INFO] [stdout]   --> src/main.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 |             format!("started TCP listener on {}", tcp_address);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 61 |             let _ = format!("started TCP listener on {}", tcp_address);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `must_use` that must be used
[INFO] [stdout]   --> src/main.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |             format!("started WS listener on {}", ws_address);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 90 |             let _ = format!("started WS listener on {}", ws_address);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "db045ac206674921fbbc39d729c4eb3e4ea1fdf14b4813c4158f7b8a0780aea4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db045ac206674921fbbc39d729c4eb3e4ea1fdf14b4813c4158f7b8a0780aea4", kill_on_drop: false }`
[INFO] [stdout] db045ac206674921fbbc39d729c4eb3e4ea1fdf14b4813c4158f7b8a0780aea4
