[INFO] fetching crate memory-cache-rust 0.1.0-alpha...
[INFO] fixing memory-cache-rust-0.1.0-alpha against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=end=2015,2024 for pr-157817-2
[INFO] extracting crate memory-cache-rust 0.1.0-alpha into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate memory-cache-rust 0.1.0-alpha
[INFO] finished tweaking crates.io crate memory-cache-rust 0.1.0-alpha
[INFO] tweaked toml for crates.io crate memory-cache-rust 0.1.0-alpha written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate memory-cache-rust 0.1.0-alpha on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "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" "+622891a4e29178280638a6b63a8908bde2c0c854" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 143 packages to latest compatible versions
[INFO] [stderr]       Adding ahash v0.7.8 (available: v0.8.12)
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.8.2)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding hashbrown v0.13.2 (available: v0.17.1)
[INFO] [stderr]       Adding rand v0.8.6 (available: v0.10.1)
[INFO] [stderr]       Adding seize v0.2.5 (available: v0.5.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "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/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 020473cac56d1c12acc08d5366dee9ac3ff9ebf9684787abc8aac275c29b8d29
[INFO] running `Command { std: "docker" "start" "020473cac56d1c12acc08d5366dee9ac3ff9ebf9684787abc8aac275c29b8d29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "020473cac56d1c12acc08d5366dee9ac3ff9ebf9684787abc8aac275c29b8d29" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "020473cac56d1c12acc08d5366dee9ac3ff9ebf9684787abc8aac275c29b8d29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "020473cac56d1c12acc08d5366dee9ac3ff9ebf9684787abc8aac275c29b8d29" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=end=2015,2024", kill_on_drop: false }`
[INFO] [stderr] crater-edition-check: migrating to next edition
[INFO] [stderr]    Migrating Cargo.toml from 2021 edition to 2024
[INFO] [stderr]    Compiling getrandom v0.4.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking chacha20 v0.10.0
[INFO] [stderr]     Checking crypto-common v0.1.7
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking ahash v0.8.12
[INFO] [stderr]     Checking chrono v0.4.45
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking crossbeam v0.3.2
[INFO] [stderr]     Checking seize v0.2.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking syncpool v0.1.6
[INFO] [stderr]     Checking xxhash-rust v0.8.15
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking hashbrown v0.13.2
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking concache v0.2.1
[INFO] [stderr]     Checking aes v0.8.4
[INFO] [stderr]     Checking rand v0.10.1
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking libmath v0.2.1
[INFO] [stderr]     Checking aes-prng v0.2.2
[INFO] [stderr]     Checking uuid v1.23.3
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stderr]     Checking timer v0.2.0
[INFO] [stderr]     Checking memory-cache-rust v0.1.0-alpha (/opt/rustwide/workdir)
[INFO] [stderr]    Migrating src/lib.rs from 2021 edition to 2024
[INFO] [stderr]        Fixed src/reclaim.rs (5 fixes)
[INFO] [stderr]        Fixed src/cache.rs (1 fix)
[INFO] [stderr]        Fixed src/cmsketch.rs (1 fix)
[INFO] [stderr]        Fixed src/bloom/rutil.rs (1 fix)
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]    --> src/cache.rs:675:108
[INFO] [stdout]     |
[INFO] [stdout] 675 | ...               (self.on_evict.unwrap())(victims[i].key, victims[i].conflict, unsafe { v.deref().deref().deref() }, victims[i].cost)
[INFO] [stdout]     |                   ------------------------ borrow later used by call                     ^^^^^^^^^^^^^^^^^ this temporary value will be dropped at the end of the block
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout]     = note: `--force-warn tail-expr-drop-order` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]    --> src/cache.rs:820:108
[INFO] [stdout]     |
[INFO] [stdout] 820 | ...               (self.on_evict.unwrap())(victims[i].key, victims[i].conflict, unsafe { v.deref().deref().deref() }, victims[i].cost)
[INFO] [stdout]     |                   ------------------------ borrow later used by call                     ^^^^^^^^^^^^^^^^^ this temporary value will be dropped at the end of the block
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating tests/cache.rs from 2021 edition to 2024
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]    --> src/cache.rs:675:108
[INFO] [stdout]     |
[INFO] [stdout] 675 | ...               (self.on_evict.unwrap())(victims[i].key, victims[i].conflict, unsafe { v.deref().deref().deref() }, victims[i].cost)
[INFO] [stdout]     |                   ------------------------ borrow later used by call                     ^^^^^^^^^^^^^^^^^ this temporary value will be dropped at the end of the block
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout]     = note: `--force-warn tail-expr-drop-order` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]    --> src/cache.rs:820:108
[INFO] [stdout]     |
[INFO] [stdout] 820 | ...               (self.on_evict.unwrap())(victims[i].key, victims[i].conflict, unsafe { v.deref().deref().deref() }, victims[i].cost)
[INFO] [stdout]     |                   ------------------------ borrow later used by call                     ^^^^^^^^^^^^^^^^^ this temporary value will be dropped at the end of the block
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating benches/flurry_hashbrown.rs from 2021 edition to 2024
[INFO] [stderr]        Fixed benches/flurry_hashbrown.rs (11 fixes)
[INFO] [stderr]    Migrating benches/flurry_dashmap.rs from 2021 edition to 2024
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.18s
[INFO] [stderr] crater-edition-check: memory-cache-rust v0.1.0-alpha (/opt/rustwide/workdir) updating edition from 2021 to 2024
[INFO] [stderr]     Checking memory-cache-rust v0.1.0-alpha (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/cmsketch.rs:94:51
[INFO] [stdout]    |
[INFO] [stdout] 94 |             s.push_str(format!("{:#02} ", (self.0[(i / 2)] >> ((i & 1) * 4)) & 0x0f).as_str());
[INFO] [stdout]    |                                                   ^     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 94 -             s.push_str(format!("{:#02} ", (self.0[(i / 2)] >> ((i & 1) * 4)) & 0x0f).as_str());
[INFO] [stdout] 94 +             s.push_str(format!("{:#02} ", (self.0[i / 2 ] >> ((i & 1) * 4)) & 0x0f).as_str());
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/bloom/haskey.rs:173:9
[INFO] [stdout]     |
[INFO] [stdout] 173 |         ;
[INFO] [stdout]     |         ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/cmsketch.rs:94:51
[INFO] [stdout]    |
[INFO] [stdout] 94 |             s.push_str(format!("{:#02} ", (self.0[(i / 2)] >> ((i & 1) * 4)) & 0x0f).as_str());
[INFO] [stdout]    |                                                   ^     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 94 -             s.push_str(format!("{:#02} ", (self.0[(i / 2)] >> ((i & 1) * 4)) & 0x0f).as_str());
[INFO] [stdout] 94 +             s.push_str(format!("{:#02} ", (self.0[i / 2 ] >> ((i & 1) * 4)) & 0x0f).as_str());
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/ttl.rs:96:13
[INFO] [stdout]    |
[INFO] [stdout] 94 |             break;
[INFO] [stdout]    |             ----- any code following this expression is unreachable
[INFO] [stdout] 95 |
[INFO] [stdout] 96 |             break;
[INFO] [stdout]    |             ^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `syncpool::prelude`
[INFO] [stdout]  --> src/ring.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use syncpool::prelude::*;
[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 import: `Add`
[INFO] [stdout]  --> src/cache.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::ops::{Add, Deref};
[INFO] [stdout]   |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `entries` is never read
[INFO] [stdout]   --> src/bloom/bbloom.rs:35:27
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let mut entries = 0;
[INFO] [stdout]    |                           ^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 42 |             entries = num_entries as u64;
[INFO] [stdout]    |             ---------------------------- `entries` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `locs` is never read
[INFO] [stdout]   --> src/bloom/bbloom.rs:36:24
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let mut locs = 0;
[INFO] [stdout]    |                        ^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 43 |             locs = wrongs as u64;
[INFO] [stdout]    |             -------------------- `locs` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bloom/bbloom.rs:133:9
[INFO] [stdout]     |
[INFO] [stdout] 133 |         unsafe {
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bloom/bbloom.rs:153:32
[INFO] [stdout]     |
[INFO] [stdout] 153 |             bj.filter_set[i] = unsafe { ptr.wrapping_offset(i as isize) as u8 }
[INFO] [stdout]     |                                ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]   --> src/store.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn deref_mut(&mut self) -> &mut Self::Target {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 72 |         self
[INFO] [stdout]    |         ---- recursive call site
[INFO] [stdout]    |
[INFO] [stdout]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout]    = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/ttl.rs:96:13
[INFO] [stdout]    |
[INFO] [stdout] 94 |             break;
[INFO] [stdout]    |             ----- any code following this expression is unreachable
[INFO] [stdout] 95 |
[INFO] [stdout] 96 |             break;
[INFO] [stdout]    |             ^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0716]: temporary value dropped while borrowed
[INFO] [stdout]    --> src/cache.rs:675:108
[INFO] [stdout]     |
[INFO] [stdout] 675 | ...             (self.on_evict.unwrap())(victims[i].key, victims[i].conflict, unsafe { v.deref().deref().deref() }, victims[i].cost)
[INFO] [stdout]     |                 ------------------------                                               ^^^^^^^^^^^^^^^^^       - temporary value is freed at the end of this statement
[INFO] [stdout]     |                 |                                                                      |
[INFO] [stdout]     |                 borrow later used by call                                              creates a temporary value which is freed while still in use
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using a `let` binding to create a longer lived value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `expiration` is never read
[INFO] [stdout]    --> src/cache.rs:592:48
[INFO] [stdout]     |
[INFO] [stdout] 592 |         let mut expiration: Option<Duration> = None;
[INFO] [stdout]     |                                                ^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 600 |             expiration = Some(time::SystemTime::now().elapsed().unwrap().checked_add(ttl).unwrap())
[INFO] [stdout]     |             --------------------------------------------------------------------------------------- `expiration` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]    --> src/cache.rs:742:5
[INFO] [stdout]     |
[INFO] [stdout] 742 |     pub fn clear<'g>(&'g self, guard: &'g Guard) {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] ...
[INFO] [stdout] 761 |         self.clear(guard);
[INFO] [stdout]     |         ----------------- recursive call site
[INFO] [stdout]     |
[INFO] [stdout]     = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0716]: temporary value dropped while borrowed
[INFO] [stdout]    --> src/cache.rs:820:108
[INFO] [stdout]     |
[INFO] [stdout] 820 | ...             (self.on_evict.unwrap())(victims[i].key, victims[i].conflict, unsafe { v.deref().deref().deref() }, victims[i].cost)
[INFO] [stdout]     |                 ------------------------                                               ^^^^^^^^^^^^^^^^^       - temporary value is freed at the end of this statement
[INFO] [stdout]     |                 |                                                                      |
[INFO] [stdout]     |                 borrow later used by call                                              creates a temporary value which is freed while still in use
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using a `let` binding to create a longer lived value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/policy.rs:191:17
[INFO] [stdout]     |
[INFO] [stdout] 191 |                 unsafe {
[INFO] [stdout]     |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/ring.rs:46:25
[INFO] [stdout]    |
[INFO] [stdout] 44 |             unsafe {
[INFO] [stdout]    |             ------ because it's nested under this `unsafe` block
[INFO] [stdout] 45 |                 let p = self.cons.load(Ordering::SeqCst, guard);
[INFO] [stdout] 46 |                 let p = unsafe {p.as_ptr()};
[INFO] [stdout]    |                         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/ring.rs:47:25
[INFO] [stdout]    |
[INFO] [stdout] 44 |             unsafe {
[INFO] [stdout]    |             ------ because it's nested under this `unsafe` block
[INFO] [stdout] ...
[INFO] [stdout] 47 |                 let p = unsafe {p.as_mut().unwrap()};
[INFO] [stdout]    |                         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/ring.rs:49:39
[INFO] [stdout]    |
[INFO] [stdout] 44 |             unsafe {
[INFO] [stdout]    |             ------ because it's nested under this `unsafe` block
[INFO] [stdout] ...
[INFO] [stdout] 49 |                 if data.is_null() || !unsafe { data.deref() }.is_empty() {
[INFO] [stdout]    |                                       ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0716`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `memory-cache-rust` (lib) due to 2 previous errors; 15 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused import: `syncpool::prelude`
[INFO] [stdout]  --> src/ring.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use syncpool::prelude::*;
[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 import: `Add`
[INFO] [stdout]  --> src/cache.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::ops::{Add, Deref};
[INFO] [stdout]   |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `entries` is never read
[INFO] [stdout]   --> src/bloom/bbloom.rs:35:27
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let mut entries = 0;
[INFO] [stdout]    |                           ^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 42 |             entries = num_entries as u64;
[INFO] [stdout]    |             ---------------------------- `entries` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `locs` is never read
[INFO] [stdout]   --> src/bloom/bbloom.rs:36:24
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let mut locs = 0;
[INFO] [stdout]    |                        ^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 43 |             locs = wrongs as u64;
[INFO] [stdout]    |             -------------------- `locs` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bloom/bbloom.rs:133:9
[INFO] [stdout]     |
[INFO] [stdout] 133 |         unsafe {
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bloom/bbloom.rs:153:32
[INFO] [stdout]     |
[INFO] [stdout] 153 |             bj.filter_set[i] = unsafe { ptr.wrapping_offset(i as isize) as u8 }
[INFO] [stdout]     |                                ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]   --> src/store.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn deref_mut(&mut self) -> &mut Self::Target {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 72 |         self
[INFO] [stdout]    |         ---- recursive call site
[INFO] [stdout]    |
[INFO] [stdout]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout]    = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0716]: temporary value dropped while borrowed
[INFO] [stdout]    --> src/cache.rs:675:108
[INFO] [stdout]     |
[INFO] [stdout] 675 | ...             (self.on_evict.unwrap())(victims[i].key, victims[i].conflict, unsafe { v.deref().deref().deref() }, victims[i].cost)
[INFO] [stdout]     |                 ------------------------                                               ^^^^^^^^^^^^^^^^^       - temporary value is freed at the end of this statement
[INFO] [stdout]     |                 |                                                                      |
[INFO] [stdout]     |                 borrow later used by call                                              creates a temporary value which is freed while still in use
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using a `let` binding to create a longer lived value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `expiration` is never read
[INFO] [stdout]    --> src/cache.rs:592:48
[INFO] [stdout]     |
[INFO] [stdout] 592 |         let mut expiration: Option<Duration> = None;
[INFO] [stdout]     |                                                ^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 600 |             expiration = Some(time::SystemTime::now().elapsed().unwrap().checked_add(ttl).unwrap())
[INFO] [stdout]     |             --------------------------------------------------------------------------------------- `expiration` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]    --> src/cache.rs:742:5
[INFO] [stdout]     |
[INFO] [stdout] 742 |     pub fn clear<'g>(&'g self, guard: &'g Guard) {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] ...
[INFO] [stdout] 761 |         self.clear(guard);
[INFO] [stdout]     |         ----------------- recursive call site
[INFO] [stdout]     |
[INFO] [stdout]     = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0716]: temporary value dropped while borrowed
[INFO] [stdout]    --> src/cache.rs:820:108
[INFO] [stdout]     |
[INFO] [stdout] 820 | ...             (self.on_evict.unwrap())(victims[i].key, victims[i].conflict, unsafe { v.deref().deref().deref() }, victims[i].cost)
[INFO] [stdout]     |                 ------------------------                                               ^^^^^^^^^^^^^^^^^       - temporary value is freed at the end of this statement
[INFO] [stdout]     |                 |                                                                      |
[INFO] [stdout]     |                 borrow later used by call                                              creates a temporary value which is freed while still in use
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using a `let` binding to create a longer lived value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/policy.rs:191:17
[INFO] [stdout]     |
[INFO] [stdout] 191 |                 unsafe {
[INFO] [stdout]     |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/ring.rs:46:25
[INFO] [stdout]    |
[INFO] [stdout] 44 |             unsafe {
[INFO] [stdout]    |             ------ because it's nested under this `unsafe` block
[INFO] [stdout] 45 |                 let p = self.cons.load(Ordering::SeqCst, guard);
[INFO] [stdout] 46 |                 let p = unsafe {p.as_ptr()};
[INFO] [stdout]    |                         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/ring.rs:47:25
[INFO] [stdout]    |
[INFO] [stdout] 44 |             unsafe {
[INFO] [stdout]    |             ------ because it's nested under this `unsafe` block
[INFO] [stdout] ...
[INFO] [stdout] 47 |                 let p = unsafe {p.as_mut().unwrap()};
[INFO] [stdout]    |                         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/ring.rs:49:39
[INFO] [stdout]    |
[INFO] [stdout] 44 |             unsafe {
[INFO] [stdout]    |             ------ because it's nested under this `unsafe` block
[INFO] [stdout] ...
[INFO] [stdout] 49 |                 if data.is_null() || !unsafe { data.deref() }.is_empty() {
[INFO] [stdout]    |                                       ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0716`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `memory-cache-rust` (lib test) due to 2 previous errors; 16 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "020473cac56d1c12acc08d5366dee9ac3ff9ebf9684787abc8aac275c29b8d29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "020473cac56d1c12acc08d5366dee9ac3ff9ebf9684787abc8aac275c29b8d29", kill_on_drop: false }`
[INFO] [stdout] 020473cac56d1c12acc08d5366dee9ac3ff9ebf9684787abc8aac275c29b8d29
