[INFO] fetching crate lightning-containers 0.2.1...
[INFO] checking lightning-containers-0.2.1 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] extracting crate lightning-containers 0.2.1 into /workspace/builds/worker-59/source
[INFO] validating manifest of crates.io crate lightning-containers 0.2.1 on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lightning-containers 0.2.1
[INFO] finished tweaking crates.io crate lightning-containers 0.2.1
[INFO] tweaked toml for crates.io crate lightning-containers 0.2.1 written to /workspace/builds/worker-59/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19e1ec4b15f4edbf8478b1d3ad042e81b05f56cd54140d7c199043d68b2c6d5b
[INFO] running `Command { std: "docker" "start" "-a" "19e1ec4b15f4edbf8478b1d3ad042e81b05f56cd54140d7c199043d68b2c6d5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19e1ec4b15f4edbf8478b1d3ad042e81b05f56cd54140d7c199043d68b2c6d5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19e1ec4b15f4edbf8478b1d3ad042e81b05f56cd54140d7c199043d68b2c6d5b", kill_on_drop: false }`
[INFO] [stdout] 19e1ec4b15f4edbf8478b1d3ad042e81b05f56cd54140d7c199043d68b2c6d5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f8265cf968c5f5d60ed1ed76ea7cf04dc2bd48e70d971cf66cb58cbeed206f0
[INFO] running `Command { std: "docker" "start" "-a" "7f8265cf968c5f5d60ed1ed76ea7cf04dc2bd48e70d971cf66cb58cbeed206f0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking seahash v4.1.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]     Checking libc v0.2.99
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking page_size v0.4.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking lightning-containers v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `fence`
[INFO] [stdout]  --> src/linked_map.rs:7:25
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::sync::atomic::{fence, AtomicUsize};
[INFO] [stdout]   |                         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Acquire`
[INFO] [stdout]  --> src/spin.rs:5:24
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Ordering::{AcqRel, Acquire, Release},
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/linked_map.rs:60:26
[INFO] [stdout]    |
[INFO] [stdout] 60 |             if self.head.compare_and_swap(front, *key, AcqRel) == front {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/linked_map.rs:65:31
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     self.tail.compare_and_swap(NONE_KEY, *key, AcqRel);
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/linked_map.rs:96:26
[INFO] [stdout]    |
[INFO] [stdout] 96 |             if self.tail.compare_and_swap(back, *key, AcqRel) == back {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/linked_map.rs:101:31
[INFO] [stdout]     |
[INFO] [stdout] 101 |                     self.head.compare_and_swap(NONE_KEY, *key, AcqRel);
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/list.rs:76:30
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 if self.head.compare_and_swap(head_ptr, new_head, AcqRel) != head_ptr {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/list.rs:87:30
[INFO] [stdout]    |
[INFO] [stdout] 87 |                 if page.head.compare_and_swap(slot_pos, next_pos, AcqRel) == slot_pos {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/list.rs:134:30
[INFO] [stdout]     |
[INFO] [stdout] 134 |                 if self.head.compare_and_swap(head_ptr, new_head, Release) != head_ptr {
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/list.rs:174:22
[INFO] [stdout]     |
[INFO] [stdout] 174 |                     .compare_and_swap(head_ptr, next_buffer_ptr, AcqRel)
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/list.rs:216:49
[INFO] [stdout]     |
[INFO] [stdout] 216 |                         let swapped = page.head.compare_and_swap(slot, new_slot, AcqRel);
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/list.rs:307:26
[INFO] [stdout]     |
[INFO] [stdout] 307 |             if self.head.compare_and_swap(this_head, other_head, AcqRel) != this_head {
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/list.rs:455:41
[INFO] [stdout]     |
[INFO] [stdout] 455 |             let flag_swap = buffer.refs.compare_and_swap(rc, rc | flag, AcqRel);
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stdout] warning: use of deprecated associated function `crossbeam_epoch::Atomic::<T>::compare_and_set`: Use `compare_exchange` instead
[INFO] [stdout]    --> src/map.rs:997:14
[INFO] [stdout]     |
[INFO] [stdout] 997 |             .compare_and_set(Shared::null(), old_chunk_ptr, AcqRel, guard)
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicU8::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/spin.rs:27:25
[INFO] [stdout]    |
[INFO] [stdout] 27 |         while self.mark.compare_and_swap(0, 1, AcqRel) != 0 {
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stdout] warning: field is never read: `node`
[INFO] [stdout]    --> src/linked_map.rs:238:5
[INFO] [stdout]     |
[INFO] [stdout] 238 |     node: Arc<Node<T>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `map`
[INFO] [stdout]    --> src/linked_map.rs:239:5
[INFO] [stdout]     |
[INFO] [stdout] 239 |     map: &'a LinkedObjectMap<T>
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking parking_lot v0.4.8
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]     Checking chashmap v2.2.2
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stdout] warning: unused import: `fence`
[INFO] [stdout]  --> src/linked_map.rs:7:25
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::sync::atomic::{fence, AtomicUsize};
[INFO] [stdout]   |                         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Global`
[INFO] [stdout]    --> src/list.rs:916:22
[INFO] [stdout]     |
[INFO] [stdout] 916 |     use std::alloc::{Global, System};
[INFO] [stdout]     |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BTreeSet`
[INFO] [stdout]    --> src/list.rs:917:9
[INFO] [stdout]     |
[INFO] [stdout] 917 |     use std::collections::BTreeSet;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::atomic::AtomicUsize`
[INFO] [stdout]    --> src/list.rs:918:9
[INFO] [stdout]     |
[INFO] [stdout] 918 |     use std::sync::atomic::AtomicUsize;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::atomic::Ordering::Relaxed`
[INFO] [stdout]    --> src/list.rs:919:9
[INFO] [stdout]     |
[INFO] [stdout] 919 |     use std::sync::atomic::Ordering::Relaxed;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Mutex`
[INFO] [stdout]    --> src/list.rs:920:26
[INFO] [stdout]     |
[INFO] [stdout] 920 |     use std::sync::{Arc, Mutex};
[INFO] [stdout]     |                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Acquire`
[INFO] [stdout]  --> src/spin.rs:5:24
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Ordering::{AcqRel, Acquire, Release},
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]     --> src/map.rs:2931:44
[INFO] [stdout]      |
[INFO] [stdout] 2931 |                         std::sync::atomic::spin_loop_hint();
[INFO] [stdout]      |                                            ^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]     --> src/map.rs:2952:44
[INFO] [stdout]      |
[INFO] [stdout] 2952 |                         std::sync::atomic::spin_loop_hint();
[INFO] [stdout]      |                                            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/linked_map.rs:60:26
[INFO] [stdout]    |
[INFO] [stdout] 60 |             if self.head.compare_and_swap(front, *key, AcqRel) == front {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/linked_map.rs:65:31
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     self.tail.compare_and_swap(NONE_KEY, *key, AcqRel);
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/linked_map.rs:96:26
[INFO] [stdout]    |
[INFO] [stdout] 96 |             if self.tail.compare_and_swap(back, *key, AcqRel) == back {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/linked_map.rs:101:31
[INFO] [stdout]     |
[INFO] [stdout] 101 |                     self.head.compare_and_swap(NONE_KEY, *key, AcqRel);
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/list.rs:76:30
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 if self.head.compare_and_swap(head_ptr, new_head, AcqRel) != head_ptr {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/list.rs:87:30
[INFO] [stdout]    |
[INFO] [stdout] 87 |                 if page.head.compare_and_swap(slot_pos, next_pos, AcqRel) == slot_pos {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/list.rs:134:30
[INFO] [stdout]     |
[INFO] [stdout] 134 |                 if self.head.compare_and_swap(head_ptr, new_head, Release) != head_ptr {
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/list.rs:174:22
[INFO] [stdout]     |
[INFO] [stdout] 174 |                     .compare_and_swap(head_ptr, next_buffer_ptr, AcqRel)
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/list.rs:216:49
[INFO] [stdout]     |
[INFO] [stdout] 216 |                         let swapped = page.head.compare_and_swap(slot, new_slot, AcqRel);
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/list.rs:307:26
[INFO] [stdout]     |
[INFO] [stdout] 307 |             if self.head.compare_and_swap(this_head, other_head, AcqRel) != this_head {
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/list.rs:455:41
[INFO] [stdout]     |
[INFO] [stdout] 455 |             let flag_swap = buffer.refs.compare_and_swap(rc, rc | flag, AcqRel);
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `crossbeam_epoch::Atomic::<T>::compare_and_set`: Use `compare_exchange` instead
[INFO] [stdout]    --> src/map.rs:997:14
[INFO] [stdout]     |
[INFO] [stdout] 997 |             .compare_and_set(Shared::null(), old_chunk_ptr, AcqRel, guard)
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]     --> src/map.rs:2916:32
[INFO] [stdout]      |
[INFO] [stdout] 2916 |                     if new_ptr.compare_and_swap(0, old, AcqRel) != 0 {
[INFO] [stdout]      |                                ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicU8::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/spin.rs:27:25
[INFO] [stdout]    |
[INFO] [stdout] 27 |         while self.mark.compare_and_swap(0, 1, AcqRel) != 0 {
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/list.rs:933:13
[INFO] [stdout]     |
[INFO] [stdout] 933 |         for i in 2..page_size {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `node`
[INFO] [stdout]    --> src/linked_map.rs:238:5
[INFO] [stdout]     |
[INFO] [stdout] 238 |     node: Arc<Node<T>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `map`
[INFO] [stdout]    --> src/linked_map.rs:239:5
[INFO] [stdout]     |
[INFO] [stdout] 239 |     map: &'a LinkedObjectMap<T>
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/list.rs:966:13
[INFO] [stdout]     |
[INFO] [stdout] 966 |             t.join();
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/list.rs:996:13
[INFO] [stdout]     |
[INFO] [stdout] 996 |             t.join();
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 28 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.21s
[INFO] running `Command { std: "docker" "inspect" "7f8265cf968c5f5d60ed1ed76ea7cf04dc2bd48e70d971cf66cb58cbeed206f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f8265cf968c5f5d60ed1ed76ea7cf04dc2bd48e70d971cf66cb58cbeed206f0", kill_on_drop: false }`
[INFO] [stdout] 7f8265cf968c5f5d60ed1ed76ea7cf04dc2bd48e70d971cf66cb58cbeed206f0