[INFO] updating cached repository https://github.com/GTkernel/nibble-lsm
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 930acd2ca8383bc795677e7398d541df0804cbee
[INFO] checking GTkernel/nibble-lsm against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGTkernel%2Fnibble-lsm" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GTkernel/nibble-lsm on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/GTkernel/nibble-lsm
[INFO] finished tweaking git repo https://github.com/GTkernel/nibble-lsm
[INFO] tweaked toml for git repo https://github.com/GTkernel/nibble-lsm written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/GTkernel/nibble-lsm already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9ceb1aa32c44a6027552d26729015dd210d8cb63f2e9c18455a56b841db8151d
[INFO] running `"docker" "start" "-a" "9ceb1aa32c44a6027552d26729015dd210d8cb63f2e9c18455a56b841db8151d"`
[INFO] [stderr]     Checking unicode-segmentation v1.0.1
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]     Checking syscall v0.2.1
[INFO] [stderr]     Checking crossbeam v0.2.10
[INFO] [stderr]     Checking quicksort v1.1.0
[INFO] [stderr]     Checking term_size v0.2.2
[INFO] [stderr]     Checking parking_lot v0.2.8
[INFO] [stderr]     Checking clap v2.20.1
[INFO] [stderr]     Checking kvs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/kvs/meta.rs:190:1
[INFO] [stderr]     |
[INFO] [stderr] 190 |   /// Global epoch tracker for each thread.
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 191 | / lazy_static! {
[INFO] [stderr] 192 | |     static ref EPOCH_TABLE: EpochTable = { EpochTable::new() };
[INFO] [stderr] 193 | |     // can add others here
[INFO] [stderr] 194 | | }
[INFO] [stderr]     | |_- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/kvs/meta.rs:272:1
[INFO] [stderr]     |
[INFO] [stderr] 272 | / /// Thread-local epoch state. Just a pointer to a slot's entry.
[INFO] [stderr] 273 | | /// UnsafeCell gives us fast mutable access when we update (pin).
[INFO] [stderr]     | |_________________________________________________________________^
[INFO] [stderr] 274 | / thread_local!(
[INFO] [stderr] 275 | |     static EPOCH_SLOT: EpochSlotHold = EpochSlotHold::new();
[INFO] [stderr] 276 | | );
[INFO] [stderr]     | |__- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/kvs/meta.rs:190:1
[INFO] [stderr]     |
[INFO] [stderr] 190 |   /// Global epoch tracker for each thread.
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 191 | / lazy_static! {
[INFO] [stderr] 192 | |     static ref EPOCH_TABLE: EpochTable = { EpochTable::new() };
[INFO] [stderr] 193 | |     // can add others here
[INFO] [stderr] 194 | | }
[INFO] [stderr]     | |_- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/kvs/meta.rs:272:1
[INFO] [stderr]     |
[INFO] [stderr] 272 | / /// Thread-local epoch state. Just a pointer to a slot's entry.
[INFO] [stderr] 273 | | /// UnsafeCell gives us fast mutable access when we update (pin).
[INFO] [stderr]     | |_________________________________________________________________^
[INFO] [stderr] 274 | / thread_local!(
[INFO] [stderr] 275 | |     static EPOCH_SLOT: EpochSlotHold = EpochSlotHold::new();
[INFO] [stderr] 276 | | );
[INFO] [stderr]     | |__- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/kvs/common.rs:308:26
[INFO] [stderr]     |
[INFO] [stderr] 308 | pub type Status = Result<(usize), ErrorCode>;
[INFO] [stderr]     |                          ^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]     --> src/kvs/segment.rs:1029:50
[INFO] [stderr]      |
[INFO] [stderr] 1029 |             let mut entry = EntryHeader::empty();;
[INFO] [stderr]      |                                                  ^ help: remove this semicolon
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(redundant_semicolon)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]     --> src/kvs/segment.rs:1053:46
[INFO] [stderr]      |
[INFO] [stderr] 1053 |         let mut entry = EntryHeader::empty();;
[INFO] [stderr]      |                                              ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/kvs/compaction.rs:369:75
[INFO] [stderr]     |
[INFO] [stderr] 369 |     fn __dump_candidates(&self, guard: &pl::MutexGuard<Vec<Candidate>>) { ; }
[INFO] [stderr]     |                                                                           ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/kvs/hashtable.rs:462:13
[INFO] [stderr]     |
[INFO] [stderr] 462 |             ;
[INFO] [stderr]     |             ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/kvs/mcs.rs:81:38
[INFO] [stderr]    |
[INFO] [stderr] 81 |             while slot.is_locked() { ; }
[INFO] [stderr]    |                                      ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/kvs/common.rs:308:26
[INFO] [stderr]     |
[INFO] [stderr] 308 | pub type Status = Result<(usize), ErrorCode>;
[INFO] [stderr]     |                          ^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]     --> src/kvs/segment.rs:1029:50
[INFO] [stderr]      |
[INFO] [stderr] 1029 |             let mut entry = EntryHeader::empty();;
[INFO] [stderr]      |                                                  ^ help: remove this semicolon
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(redundant_semicolon)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]     --> src/kvs/segment.rs:1053:46
[INFO] [stderr]      |
[INFO] [stderr] 1053 |         let mut entry = EntryHeader::empty();;
[INFO] [stderr]      |                                              ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/kvs/compaction.rs:369:75
[INFO] [stderr]     |
[INFO] [stderr] 369 |     fn __dump_candidates(&self, guard: &pl::MutexGuard<Vec<Candidate>>) { ; }
[INFO] [stderr]     |                                                                           ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/kvs/hashtable.rs:462:13
[INFO] [stderr]     |
[INFO] [stderr] 462 |             ;
[INFO] [stderr]     |             ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/kvs/mcs.rs:81:38
[INFO] [stderr]    |
[INFO] [stderr] 81 |             while slot.is_locked() { ; }
[INFO] [stderr]    |                                      ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/kvs/meta.rs:191:1
[INFO] [stderr]     |
[INFO] [stderr] 191 | / lazy_static! {
[INFO] [stderr] 192 | |     static ref EPOCH_TABLE: EpochTable = { EpochTable::new() };
[INFO] [stderr] 193 | |     // can add others here
[INFO] [stderr] 194 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/kvs/meta.rs:191:1
[INFO] [stderr]     |
[INFO] [stderr] 191 | / lazy_static! {
[INFO] [stderr] 192 | |     static ref EPOCH_TABLE: EpochTable = { EpochTable::new() };
[INFO] [stderr] 193 | |     // can add others here
[INFO] [stderr] 194 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/kvs/numa.rs:56:1
[INFO] [stderr]    |
[INFO] [stderr] 56 | / lazy_static! {
[INFO] [stderr] 57 | |     pub static ref NODE_MAP: NodeMap = { NodeMap::new() };
[INFO] [stderr] 58 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/kvs/numa.rs:56:1
[INFO] [stderr]    |
[INFO] [stderr] 56 | / lazy_static! {
[INFO] [stderr] 57 | |     pub static ref NODE_MAP: NodeMap = { NodeMap::new() };
[INFO] [stderr] 58 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::hash::SipHasher': use `std::collections::hash_map::DefaultHasher` instead
[INFO] [stderr]     --> src/kvs/hashtable.rs:1135:23
[INFO] [stderr]      |
[INFO] [stderr] 1135 |         let mut sip = hash::SipHasher::new();
[INFO] [stderr]      |                       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/kvs/logger.rs:25:23
[INFO] [stderr]    |
[INFO] [stderr] 25 | use std::sync::{Once, ONCE_INIT};
[INFO] [stderr]    |                       ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/kvs/logger.rs:81:22
[INFO] [stderr]    |
[INFO] [stderr] 81 | static START: Once = ONCE_INIT;
[INFO] [stderr]    |                      ^^^^^^^^^ help: replace the use of the deprecated item: `Once::new()`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/kvs/meta.rs:191:1
[INFO] [stderr]     |
[INFO] [stderr] 191 | / lazy_static! {
[INFO] [stderr] 192 | |     static ref EPOCH_TABLE: EpochTable = { EpochTable::new() };
[INFO] [stderr] 193 | |     // can add others here
[INFO] [stderr] 194 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/kvs/meta.rs:191:1
[INFO] [stderr]     |
[INFO] [stderr] 191 | / lazy_static! {
[INFO] [stderr] 192 | |     static ref EPOCH_TABLE: EpochTable = { EpochTable::new() };
[INFO] [stderr] 193 | |     // can add others here
[INFO] [stderr] 194 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/kvs/numa.rs:56:1
[INFO] [stderr]    |
[INFO] [stderr] 56 | / lazy_static! {
[INFO] [stderr] 57 | |     pub static ref NODE_MAP: NodeMap = { NodeMap::new() };
[INFO] [stderr] 58 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/kvs/numa.rs:56:1
[INFO] [stderr]    |
[INFO] [stderr] 56 | / lazy_static! {
[INFO] [stderr] 57 | |     pub static ref NODE_MAP: NodeMap = { NodeMap::new() };
[INFO] [stderr] 58 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::hash::SipHasher': use `std::collections::hash_map::DefaultHasher` instead
[INFO] [stderr]     --> src/kvs/hashtable.rs:1135:23
[INFO] [stderr]      |
[INFO] [stderr] 1135 |         let mut sip = hash::SipHasher::new();
[INFO] [stderr]      |                       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/kvs/logger.rs:25:23
[INFO] [stderr]    |
[INFO] [stderr] 25 | use std::sync::{Once, ONCE_INIT};
[INFO] [stderr]    |                       ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/kvs/logger.rs:81:22
[INFO] [stderr]    |
[INFO] [stderr] 81 | static START: Once = ONCE_INIT;
[INFO] [stderr]    |                      ^^^^^^^^^ help: replace the use of the deprecated item: `Once::new()`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::hash::SipHasher::new': use `std::collections::hash_map::DefaultHasher` instead
[INFO] [stderr]     --> src/kvs/hashtable.rs:1135:23
[INFO] [stderr]      |
[INFO] [stderr] 1135 |         let mut sip = hash::SipHasher::new();
[INFO] [stderr]      |                       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::hash::SipHasher::new': use `std::collections::hash_map::DefaultHasher` instead
[INFO] [stderr]     --> src/kvs/hashtable.rs:1135:23
[INFO] [stderr]      |
[INFO] [stderr] 1135 |         let mut sip = hash::SipHasher::new();
[INFO] [stderr]      |                       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:35:22
[INFO] [stderr]     |
[INFO] [stderr] 35  |     ( $b:expr ) => { unsafe { intrinsics::unlikely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/segment.rs:389:20
[INFO] [stderr]     |
[INFO] [stderr] 389 |                 if unlikely!(nr > 0) {
[INFO] [stderr]     |                    ----------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `#[derive]` can't be used on a `#[repr(packed)]` struct that does not derive Copy (error E0133)
[INFO] [stderr]    --> src/kvs/segment.rs:530:10
[INFO] [stderr]     |
[INFO] [stderr] 530 | #[derive(Debug)]
[INFO] [stderr]     |          ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(safe_packed_borrows)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:35:22
[INFO] [stderr]     |
[INFO] [stderr] 35  |     ( $b:expr ) => { unsafe { intrinsics::unlikely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/segment.rs:684:12
[INFO] [stderr]     |
[INFO] [stderr] 684 |         if unlikely!(self.closed) {
[INFO] [stderr]     |            ---------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:35:22
[INFO] [stderr]     |
[INFO] [stderr] 35  |     ( $b:expr ) => { unsafe { intrinsics::unlikely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/segment.rs:686:19
[INFO] [stderr]     |
[INFO] [stderr] 686 |         } else if unlikely!(!self.can_hold(buf)) {
[INFO] [stderr]     |                   ------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:35:22
[INFO] [stderr]     |
[INFO] [stderr] 35  |     ( $b:expr ) => { unsafe { intrinsics::unlikely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/segment.rs:689:16
[INFO] [stderr]     |
[INFO] [stderr] 689 |             if unlikely!(0 == buf.vlen) {
[INFO] [stderr]     |                ------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:29:22
[INFO] [stderr]     |
[INFO] [stderr] 29  |     ( $b:expr ) => { unsafe { intrinsics::likely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/segment.rs:698:16
[INFO] [stderr]     |
[INFO] [stderr] 698 |             if likely!(buf.copy) {
[INFO] [stderr]     |                ----------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]     --> src/kvs/macros.rs:35:22
[INFO] [stderr]      |
[INFO] [stderr] 35   |     ( $b:expr ) => { unsafe { intrinsics::unlikely($b) } }
[INFO] [stderr]      |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]      | 
[INFO] [stderr]     ::: src/kvs/segment.rs:1352:12
[INFO] [stderr]      |
[INFO] [stderr] 1352 |         if unlikely!(c > 1) {
[INFO] [stderr]      |            ---------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]     --> src/kvs/macros.rs:35:22
[INFO] [stderr]      |
[INFO] [stderr] 35   |     ( $b:expr ) => { unsafe { intrinsics::unlikely($b) } }
[INFO] [stderr]      |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]      | 
[INFO] [stderr]     ::: src/kvs/segment.rs:1377:16
[INFO] [stderr]      |
[INFO] [stderr] 1377 |             if unlikely!(opt.is_none()) {
[INFO] [stderr]      |                ------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: `#[derive]` can't be used on a `#[repr(packed)]` struct that does not derive Copy (error E0133)
[INFO] [stderr]   --> src/kvs/thelog.rs:52:10
[INFO] [stderr]    |
[INFO] [stderr] 52 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:35:22
[INFO] [stderr]     |
[INFO] [stderr] 35  |     ( $b:expr ) => { unsafe { intrinsics::unlikely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/thelog.rs:155:12
[INFO] [stderr]     |
[INFO] [stderr] 155 |         if unlikely!(self.segment.is_none()) {
[INFO] [stderr]     |            --------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:35:22
[INFO] [stderr]     |
[INFO] [stderr] 35  |     ( $b:expr ) => { unsafe { intrinsics::unlikely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/thelog.rs:164:12
[INFO] [stderr]     |
[INFO] [stderr] 164 |         if unlikely!(roll) {
[INFO] [stderr]     |            --------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:29:22
[INFO] [stderr]     |
[INFO] [stderr] 29  |     ( $b:expr ) => { unsafe { intrinsics::likely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/thelog.rs:283:16
[INFO] [stderr]     |
[INFO] [stderr] 283 |             if likely!(opt.is_some()) {
[INFO] [stderr]     |                ---------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:35:22
[INFO] [stderr]     |
[INFO] [stderr] 35  |     ( $b:expr ) => { unsafe { intrinsics::unlikely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/thelog.rs:328:12
[INFO] [stderr]     |
[INFO] [stderr] 328 |         if unlikely!(remain < head_len) {
[INFO] [stderr]     |            ---------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:35:22
[INFO] [stderr]     |
[INFO] [stderr] 35  |     ( $b:expr ) => { unsafe { intrinsics::unlikely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/thelog.rs:334:16
[INFO] [stderr]     |
[INFO] [stderr] 334 |             if unlikely!(remain < (key_len+value_len)) {
[INFO] [stderr]     |                --------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:29:22
[INFO] [stderr]     |
[INFO] [stderr] 29  |     ( $b:expr ) => { unsafe { intrinsics::likely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/hashtable.rs:182:16
[INFO] [stderr]     |
[INFO] [stderr] 182 |             if likely!(is_even(v)) { break; }
[INFO] [stderr]     |                ------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:29:22
[INFO] [stderr]     |
[INFO] [stderr] 29  |     ( $b:expr ) => { unsafe { intrinsics::likely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/hashtable.rs:231:16
[INFO] [stderr]     |
[INFO] [stderr] 231 |             if likely!(is_even(v)) {
[INFO] [stderr]     |                ------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:35:22
[INFO] [stderr]     |
[INFO] [stderr] 35  |     ( $b:expr ) => { unsafe { intrinsics::unlikely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/hashtable.rs:520:16
[INFO] [stderr]     |
[INFO] [stderr] 520 |             if unlikely!(v != tver) {
[INFO] [stderr]     |                -------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:35:22
[INFO] [stderr]     |
[INFO] [stderr] 35  |     ( $b:expr ) => { unsafe { intrinsics::unlikely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/hashtable.rs:531:16
[INFO] [stderr]     |
[INFO] [stderr] 531 |             if unlikely!(e.is_none() && inv.is_none()) {
[INFO] [stderr]     |                --------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:35:22
[INFO] [stderr]     |
[INFO] [stderr] 35  |     ( $b:expr ) => { unsafe { intrinsics::unlikely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/hashtable.rs:547:16
[INFO] [stderr]     |
[INFO] [stderr] 547 |             if unlikely!(tver != self.version()) {
[INFO] [stderr]     |                --------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:35:22
[INFO] [stderr]     |
[INFO] [stderr] 35  |     ( $b:expr ) => { unsafe { intrinsics::unlikely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/hashtable.rs:604:16
[INFO] [stderr]     |
[INFO] [stderr] 604 |             if unlikely!(v != tver) {
[INFO] [stderr]     |                -------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:35:22
[INFO] [stderr]     |
[INFO] [stderr] 35  |     ( $b:expr ) => { unsafe { intrinsics::unlikely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/hashtable.rs:616:28
[INFO] [stderr]     |
[INFO] [stderr] 616 |                         || unlikely!(self.version() != tver);
[INFO] [stderr]     |                            --------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:35:22
[INFO] [stderr]     |
[INFO] [stderr] 35  |     ( $b:expr ) => { unsafe { intrinsics::unlikely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/hashtable.rs:628:16
[INFO] [stderr]     |
[INFO] [stderr] 628 |             if unlikely!(self.version() != tver) {
[INFO] [stderr]     |                --------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:35:22
[INFO] [stderr]     |
[INFO] [stderr] 35  |     ( $b:expr ) => { unsafe { intrinsics::unlikely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/hashtable.rs:657:16
[INFO] [stderr]     |
[INFO] [stderr] 657 |             if unlikely!(v != tver) {
[INFO] [stderr]     |                -------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:35:22
[INFO] [stderr]     |
[INFO] [stderr] 35  |     ( $b:expr ) => { unsafe { intrinsics::unlikely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/hashtable.rs:687:16
[INFO] [stderr]     |
[INFO] [stderr] 687 |             if unlikely!(tver != self.version()) {
[INFO] [stderr]     |                --------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:35:22
[INFO] [stderr]     |
[INFO] [stderr] 35  |     ( $b:expr ) => { unsafe { intrinsics::unlikely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/hashtable.rs:729:16
[INFO] [stderr]     |
[INFO] [stderr] 729 |             if unlikely!(v != tver) {
[INFO] [stderr]     |                -------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:35:22
[INFO] [stderr]     |
[INFO] [stderr] 35  |     ( $b:expr ) => { unsafe { intrinsics::unlikely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/hashtable.rs:739:16
[INFO] [stderr]     |
[INFO] [stderr] 739 |             if unlikely!(tver != self.version()) {
[INFO] [stderr]     |                --------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:35:22
[INFO] [stderr]     |
[INFO] [stderr] 35  |     ( $b:expr ) => { unsafe { intrinsics::unlikely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/hashtable.rs:789:16
[INFO] [stderr]     |
[INFO] [stderr] 789 |             if unlikely!(v != tver) {
[INFO] [stderr]     |                -------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:35:22
[INFO] [stderr]     |
[INFO] [stderr] 35  |     ( $b:expr ) => { unsafe { intrinsics::unlikely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/hashtable.rs:800:16
[INFO] [stderr]     |
[INFO] [stderr] 800 |             if unlikely!(e.is_none() && inv.is_none()) {
[INFO] [stderr]     |                --------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:35:22
[INFO] [stderr]     |
[INFO] [stderr] 35  |     ( $b:expr ) => { unsafe { intrinsics::unlikely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/hashtable.rs:812:16
[INFO] [stderr]     |
[INFO] [stderr] 812 |             if unlikely!(tver != self.version()) {
[INFO] [stderr]     |                --------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:35:22
[INFO] [stderr]     |
[INFO] [stderr] 35  |     ( $b:expr ) => { unsafe { intrinsics::unlikely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/hashtable.rs:872:16
[INFO] [stderr]     |
[INFO] [stderr] 872 |             if unlikely!(v != tver) {
[INFO] [stderr]     |                -------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:35:22
[INFO] [stderr]     |
[INFO] [stderr] 35  |     ( $b:expr ) => { unsafe { intrinsics::unlikely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/hashtable.rs:890:16
[INFO] [stderr]     |
[INFO] [stderr] 890 |             if unlikely!(tver != self.version()) {
[INFO] [stderr]     |                --------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:35:22
[INFO] [stderr]     |
[INFO] [stderr] 35  |     ( $b:expr ) => { unsafe { intrinsics::unlikely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/hashtable.rs:934:16
[INFO] [stderr]     |
[INFO] [stderr] 934 |             if unlikely!(v != tver) {
[INFO] [stderr]     |                -------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:35:22
[INFO] [stderr]     |
[INFO] [stderr] 35  |     ( $b:expr ) => { unsafe { intrinsics::unlikely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/hashtable.rs:950:16
[INFO] [stderr]     |
[INFO] [stderr] 950 |             if unlikely!(tver != self.version()) {
[INFO] [stderr]     |                --------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] error[E0636]: the feature `core_intrinsics` has already been declared
[INFO] [stderr]   --> src/lib.rs:41:12
[INFO] [stderr]    |
[INFO] [stderr] 41 | #![feature(core_intrinsics)]
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused arithmetic operation that must be used
[INFO] [stderr]   --> src/kvs/thelog.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     1/ALLOC_NBLKS_VAR;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0636`.
[INFO] [stderr] error: could not compile `kvs`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:35:22
[INFO] [stderr]     |
[INFO] [stderr] 35  |     ( $b:expr ) => { unsafe { intrinsics::unlikely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/segment.rs:389:20
[INFO] [stderr]     |
[INFO] [stderr] 389 |                 if unlikely!(nr > 0) {
[INFO] [stderr]     |                    ----------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `#[derive]` can't be used on a `#[repr(packed)]` struct that does not derive Copy (error E0133)
[INFO] [stderr]    --> src/kvs/segment.rs:530:10
[INFO] [stderr]     |
[INFO] [stderr] 530 | #[derive(Debug)]
[INFO] [stderr]     |          ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(safe_packed_borrows)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:35:22
[INFO] [stderr]     |
[INFO] [stderr] 35  |     ( $b:expr ) => { unsafe { intrinsics::unlikely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/segment.rs:684:12
[INFO] [stderr]     |
[INFO] [stderr] 684 |         if unlikely!(self.closed) {
[INFO] [stderr]     |            ---------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:35:22
[INFO] [stderr]     |
[INFO] [stderr] 35  |     ( $b:expr ) => { unsafe { intrinsics::unlikely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/segment.rs:686:19
[INFO] [stderr]     |
[INFO] [stderr] 686 |         } else if unlikely!(!self.can_hold(buf)) {
[INFO] [stderr]     |                   ------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:35:22
[INFO] [stderr]     |
[INFO] [stderr] 35  |     ( $b:expr ) => { unsafe { intrinsics::unlikely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/segment.rs:689:16
[INFO] [stderr]     |
[INFO] [stderr] 689 |             if unlikely!(0 == buf.vlen) {
[INFO] [stderr]     |                ------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:29:22
[INFO] [stderr]     |
[INFO] [stderr] 29  |     ( $b:expr ) => { unsafe { intrinsics::likely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/segment.rs:698:16
[INFO] [stderr]     |
[INFO] [stderr] 698 |             if likely!(buf.copy) {
[INFO] [stderr]     |                ----------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]     --> src/kvs/macros.rs:35:22
[INFO] [stderr]      |
[INFO] [stderr] 35   |     ( $b:expr ) => { unsafe { intrinsics::unlikely($b) } }
[INFO] [stderr]      |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]      | 
[INFO] [stderr]     ::: src/kvs/segment.rs:1352:12
[INFO] [stderr]      |
[INFO] [stderr] 1352 |         if unlikely!(c > 1) {
[INFO] [stderr]      |            ---------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]     --> src/kvs/macros.rs:35:22
[INFO] [stderr]      |
[INFO] [stderr] 35   |     ( $b:expr ) => { unsafe { intrinsics::unlikely($b) } }
[INFO] [stderr]      |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]      | 
[INFO] [stderr]     ::: src/kvs/segment.rs:1377:16
[INFO] [stderr]      |
[INFO] [stderr] 1377 |             if unlikely!(opt.is_none()) {
[INFO] [stderr]      |                ------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: `#[derive]` can't be used on a `#[repr(packed)]` struct that does not derive Copy (error E0133)
[INFO] [stderr]   --> src/kvs/thelog.rs:52:10
[INFO] [stderr]    |
[INFO] [stderr] 52 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:35:22
[INFO] [stderr]     |
[INFO] [stderr] 35  |     ( $b:expr ) => { unsafe { intrinsics::unlikely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/thelog.rs:155:12
[INFO] [stderr]     |
[INFO] [stderr] 155 |         if unlikely!(self.segment.is_none()) {
[INFO] [stderr]     |            --------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:35:22
[INFO] [stderr]     |
[INFO] [stderr] 35  |     ( $b:expr ) => { unsafe { intrinsics::unlikely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/thelog.rs:164:12
[INFO] [stderr]     |
[INFO] [stderr] 164 |         if unlikely!(roll) {
[INFO] [stderr]     |            --------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:29:22
[INFO] [stderr]     |
[INFO] [stderr] 29  |     ( $b:expr ) => { unsafe { intrinsics::likely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/thelog.rs:283:16
[INFO] [stderr]     |
[INFO] [stderr] 283 |             if likely!(opt.is_some()) {
[INFO] [stderr]     |                ---------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:35:22
[INFO] [stderr]     |
[INFO] [stderr] 35  |     ( $b:expr ) => { unsafe { intrinsics::unlikely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/thelog.rs:328:12
[INFO] [stderr]     |
[INFO] [stderr] 328 |         if unlikely!(remain < head_len) {
[INFO] [stderr]     |            ---------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:35:22
[INFO] [stderr]     |
[INFO] [stderr] 35  |     ( $b:expr ) => { unsafe { intrinsics::unlikely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/thelog.rs:334:16
[INFO] [stderr]     |
[INFO] [stderr] 334 |             if unlikely!(remain < (key_len+value_len)) {
[INFO] [stderr]     |                --------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:29:22
[INFO] [stderr]     |
[INFO] [stderr] 29  |     ( $b:expr ) => { unsafe { intrinsics::likely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/hashtable.rs:182:16
[INFO] [stderr]     |
[INFO] [stderr] 182 |             if likely!(is_even(v)) { break; }
[INFO] [stderr]     |                ------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:29:22
[INFO] [stderr]     |
[INFO] [stderr] 29  |     ( $b:expr ) => { unsafe { intrinsics::likely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/hashtable.rs:231:16
[INFO] [stderr]     |
[INFO] [stderr] 231 |             if likely!(is_even(v)) {
[INFO] [stderr]     |                ------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:35:22
[INFO] [stderr]     |
[INFO] [stderr] 35  |     ( $b:expr ) => { unsafe { intrinsics::unlikely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/hashtable.rs:520:16
[INFO] [stderr]     |
[INFO] [stderr] 520 |             if unlikely!(v != tver) {
[INFO] [stderr]     |                -------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:35:22
[INFO] [stderr]     |
[INFO] [stderr] 35  |     ( $b:expr ) => { unsafe { intrinsics::unlikely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/hashtable.rs:531:16
[INFO] [stderr]     |
[INFO] [stderr] 531 |             if unlikely!(e.is_none() && inv.is_none()) {
[INFO] [stderr]     |                --------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:35:22
[INFO] [stderr]     |
[INFO] [stderr] 35  |     ( $b:expr ) => { unsafe { intrinsics::unlikely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/hashtable.rs:547:16
[INFO] [stderr]     |
[INFO] [stderr] 547 |             if unlikely!(tver != self.version()) {
[INFO] [stderr]     |                --------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:35:22
[INFO] [stderr]     |
[INFO] [stderr] 35  |     ( $b:expr ) => { unsafe { intrinsics::unlikely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/hashtable.rs:604:16
[INFO] [stderr]     |
[INFO] [stderr] 604 |             if unlikely!(v != tver) {
[INFO] [stderr]     |                -------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:35:22
[INFO] [stderr]     |
[INFO] [stderr] 35  |     ( $b:expr ) => { unsafe { intrinsics::unlikely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/hashtable.rs:616:28
[INFO] [stderr]     |
[INFO] [stderr] 616 |                         || unlikely!(self.version() != tver);
[INFO] [stderr]     |                            --------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:35:22
[INFO] [stderr]     |
[INFO] [stderr] 35  |     ( $b:expr ) => { unsafe { intrinsics::unlikely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/hashtable.rs:628:16
[INFO] [stderr]     |
[INFO] [stderr] 628 |             if unlikely!(self.version() != tver) {
[INFO] [stderr]     |                --------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:35:22
[INFO] [stderr]     |
[INFO] [stderr] 35  |     ( $b:expr ) => { unsafe { intrinsics::unlikely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/hashtable.rs:657:16
[INFO] [stderr]     |
[INFO] [stderr] 657 |             if unlikely!(v != tver) {
[INFO] [stderr]     |                -------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:35:22
[INFO] [stderr]     |
[INFO] [stderr] 35  |     ( $b:expr ) => { unsafe { intrinsics::unlikely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/hashtable.rs:687:16
[INFO] [stderr]     |
[INFO] [stderr] 687 |             if unlikely!(tver != self.version()) {
[INFO] [stderr]     |                --------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:35:22
[INFO] [stderr]     |
[INFO] [stderr] 35  |     ( $b:expr ) => { unsafe { intrinsics::unlikely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/hashtable.rs:729:16
[INFO] [stderr]     |
[INFO] [stderr] 729 |             if unlikely!(v != tver) {
[INFO] [stderr]     |                -------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:35:22
[INFO] [stderr]     |
[INFO] [stderr] 35  |     ( $b:expr ) => { unsafe { intrinsics::unlikely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/hashtable.rs:739:16
[INFO] [stderr]     |
[INFO] [stderr] 739 |             if unlikely!(tver != self.version()) {
[INFO] [stderr]     |                --------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:35:22
[INFO] [stderr]     |
[INFO] [stderr] 35  |     ( $b:expr ) => { unsafe { intrinsics::unlikely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/hashtable.rs:789:16
[INFO] [stderr]     |
[INFO] [stderr] 789 |             if unlikely!(v != tver) {
[INFO] [stderr]     |                -------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:35:22
[INFO] [stderr]     |
[INFO] [stderr] 35  |     ( $b:expr ) => { unsafe { intrinsics::unlikely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/hashtable.rs:800:16
[INFO] [stderr]     |
[INFO] [stderr] 800 |             if unlikely!(e.is_none() && inv.is_none()) {
[INFO] [stderr]     |                --------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:35:22
[INFO] [stderr]     |
[INFO] [stderr] 35  |     ( $b:expr ) => { unsafe { intrinsics::unlikely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/hashtable.rs:812:16
[INFO] [stderr]     |
[INFO] [stderr] 812 |             if unlikely!(tver != self.version()) {
[INFO] [stderr]     |                --------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:35:22
[INFO] [stderr]     |
[INFO] [stderr] 35  |     ( $b:expr ) => { unsafe { intrinsics::unlikely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/hashtable.rs:872:16
[INFO] [stderr]     |
[INFO] [stderr] 872 |             if unlikely!(v != tver) {
[INFO] [stderr]     |                -------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:35:22
[INFO] [stderr]     |
[INFO] [stderr] 35  |     ( $b:expr ) => { unsafe { intrinsics::unlikely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/hashtable.rs:890:16
[INFO] [stderr]     |
[INFO] [stderr] 890 |             if unlikely!(tver != self.version()) {
[INFO] [stderr]     |                --------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:35:22
[INFO] [stderr]     |
[INFO] [stderr] 35  |     ( $b:expr ) => { unsafe { intrinsics::unlikely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/hashtable.rs:934:16
[INFO] [stderr]     |
[INFO] [stderr] 934 |             if unlikely!(v != tver) {
[INFO] [stderr]     |                -------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/kvs/macros.rs:35:22
[INFO] [stderr]     |
[INFO] [stderr] 35  |     ( $b:expr ) => { unsafe { intrinsics::unlikely($b) } }
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/kvs/hashtable.rs:950:16
[INFO] [stderr]     |
[INFO] [stderr] 950 |             if unlikely!(tver != self.version()) {
[INFO] [stderr]     |                --------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] error[E0636]: the feature `core_intrinsics` has already been declared
[INFO] [stderr]   --> src/lib.rs:41:12
[INFO] [stderr]    |
[INFO] [stderr] 41 | #![feature(core_intrinsics)]
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused arithmetic operation that must be used
[INFO] [stderr]   --> src/kvs/thelog.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     1/ALLOC_NBLKS_VAR;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0636`.
[INFO] [stderr] error: could not compile `kvs`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "9ceb1aa32c44a6027552d26729015dd210d8cb63f2e9c18455a56b841db8151d"`
[INFO] running `"docker" "rm" "-f" "9ceb1aa32c44a6027552d26729015dd210d8cb63f2e9c18455a56b841db8151d"`
[INFO] [stdout] 9ceb1aa32c44a6027552d26729015dd210d8cb63f2e9c18455a56b841db8151d