[INFO] fetching crate concread 0.1.11...
[INFO] checking concread-0.1.11 against try#8a749131e7beb72f6edacefd2bdcbed3d67b2112 for pr-72331
[INFO] extracting crate concread 0.1.11 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate concread 0.1.11 on toolchain 8a749131e7beb72f6edacefd2bdcbed3d67b2112
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate concread 0.1.11
[INFO] finished tweaking crates.io crate concread 0.1.11
[INFO] tweaked toml for crates.io crate concread 0.1.11 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate concread 0.1.11 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "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] ef717b43dd490ddffcd6a10d2d6e0996cf8d59ce1b32f8421f418535bb2b63e9
[INFO] running `"docker" "start" "-a" "ef717b43dd490ddffcd6a10d2d6e0996cf8d59ce1b32f8421f418535bb2b63e9"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling standback v0.2.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]     Checking parking_lot_core v0.7.1
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking concread v0.1.11 (/opt/rustwide/workdir)
[INFO] [stderr] warning: type `vinner` should have an upper camel case name
[INFO] [stderr]   --> src/collections/hashmap/map.rs:17:17
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub(crate) type vinner<K, V> = SmallVec<[(K, V); DEFAULT_STACK_ALLOC]>;
[INFO] [stderr]    |                 ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Vinner`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type annotations needed
[INFO] [stderr]    --> src/collections/bptree/node.rs:230:37
[INFO] [stderr]     |
[INFO] [stderr] 230 |             new.key[0].as_mut_ptr().write(pivot);
[INFO] [stderr]     |                                     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(tyvar_behind_raw_pointer)]` 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 the 2018 edition!
[INFO] [stderr]     = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `iter_mut`
[INFO] [stderr]   --> src/cache/arc/ll.rs:49:19
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub(crate) fn iter_mut(&self) -> LLIterMut<K> {
[INFO] [stderr]    |                   ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `READ_THREAD_MIN`
[INFO] [stderr]   --> src/cache/arc/mod.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | const READ_THREAD_MIN: usize = 8;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for a module
[INFO] [stderr]   --> src/collections/mod.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr] 7  | pub mod hashmap;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 | #![warn(missing_docs)]
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for a module
[INFO] [stderr]  --> src/collections/hashmap/mod.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub mod iter;
[INFO] [stderr]   | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for a struct
[INFO] [stderr]   --> src/collections/hashmap/iter.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr] 7  | / pub struct Iter<'a, K, V>
[INFO] [stderr] 8  | | where
[INFO] [stderr] 9  | |     K: Hash + Eq + Clone + Debug,
[INFO] [stderr] 10 | |     V: Clone,
[INFO] [stderr] ...  |
[INFO] [stderr] 14 | |     next_idx: usize,
[INFO] [stderr] 15 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for a struct
[INFO] [stderr]   --> src/collections/hashmap/iter.rs:54:1
[INFO] [stderr]    |
[INFO] [stderr] 54 | / pub struct KeyIter<'a, K, V>
[INFO] [stderr] 55 | | where
[INFO] [stderr] 56 | |     K: Hash + Eq + Clone + Debug,
[INFO] [stderr] 57 | |     V: Clone,
[INFO] [stderr] 58 | | {
[INFO] [stderr] 59 | |     iter: Iter<'a, K, V>,
[INFO] [stderr] 60 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for a struct
[INFO] [stderr]   --> src/collections/hashmap/iter.rs:83:1
[INFO] [stderr]    |
[INFO] [stderr] 83 | / pub struct ValueIter<'a, K, V>
[INFO] [stderr] 84 | | where
[INFO] [stderr] 85 | |     K: Hash + Eq + Clone + Debug,
[INFO] [stderr] 86 | |     V: Clone,
[INFO] [stderr] 87 | | {
[INFO] [stderr] 88 | |     iter: Iter<'a, K, V>,
[INFO] [stderr] 89 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for a module
[INFO] [stderr]  --> src/collections/hashmap/mod.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub mod map;
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for a struct
[INFO] [stderr]   --> src/collections/hashmap/map.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | / pub struct HashMap<K, V>
[INFO] [stderr] 28 | | where
[INFO] [stderr] 29 | |     K: Hash + Eq + Clone + Debug,
[INFO] [stderr] 30 | |     V: Clone,
[INFO] [stderr] 31 | | {
[INFO] [stderr] 32 | |     map: BptreeMap<u64, vinner<K, V>>,
[INFO] [stderr] 33 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for a struct
[INFO] [stderr]   --> src/collections/hashmap/map.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | / pub struct HashMapReadTxn<K, V>
[INFO] [stderr] 36 | | where
[INFO] [stderr] 37 | |     K: Hash + Eq + Clone + Debug,
[INFO] [stderr] 38 | |     V: Clone,
[INFO] [stderr] 39 | | {
[INFO] [stderr] 40 | |     map: BptreeMapReadTxn<u64, vinner<K, V>>,
[INFO] [stderr] 41 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for a struct
[INFO] [stderr]   --> src/collections/hashmap/map.rs:43:1
[INFO] [stderr]    |
[INFO] [stderr] 43 | / pub struct HashMapWriteTxn<'a, K, V>
[INFO] [stderr] 44 | | where
[INFO] [stderr] 45 | |     K: Hash + Eq + Clone + Debug,
[INFO] [stderr] 46 | |     V: Clone,
[INFO] [stderr] 47 | | {
[INFO] [stderr] 48 | |     map: BptreeMapWriteTxn<'a, u64, vinner<K, V>>,
[INFO] [stderr] 49 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for a struct
[INFO] [stderr]   --> src/collections/hashmap/map.rs:51:1
[INFO] [stderr]    |
[INFO] [stderr] 51 | / pub struct HashMapReadSnapshot<'a, K, V>
[INFO] [stderr] 52 | | where
[INFO] [stderr] 53 | |     K: Hash + Eq + Clone + Debug,
[INFO] [stderr] 54 | |     V: Clone,
[INFO] [stderr] 55 | | {
[INFO] [stderr] 56 | |     map: BptreeMapReadSnapshot<'a, u64, vinner<K, V>>,
[INFO] [stderr] 57 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for an associated function
[INFO] [stderr]   --> src/collections/hashmap/map.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for an associated function
[INFO] [stderr]   --> src/collections/hashmap/map.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 |     pub fn read(&self) -> HashMapReadTxn<K, V> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for an associated function
[INFO] [stderr]   --> src/collections/hashmap/map.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub fn write(&self) -> HashMapWriteTxn<K, V> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for an associated function
[INFO] [stderr]    --> src/collections/hashmap/map.rs:98:5
[INFO] [stderr]     |
[INFO] [stderr] 98  | /     pub fn get<'b, Q: ?Sized>(&'a self, k: &'b Q) -> Option<&'a V>
[INFO] [stderr] 99  | |     where
[INFO] [stderr] 100 | |         K: Borrow<Q>,
[INFO] [stderr] 101 | |         Q: Hash + Eq,
[INFO] [stderr] ...   |
[INFO] [stderr] 110 | |         })
[INFO] [stderr] 111 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for an associated function
[INFO] [stderr]    --> src/collections/hashmap/map.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 | /     pub fn contains_key<'b, Q: ?Sized>(&'a self, k: &'b Q) -> bool
[INFO] [stderr] 114 | |     where
[INFO] [stderr] 115 | |         K: Borrow<Q>,
[INFO] [stderr] 116 | |         Q: Hash + Eq,
[INFO] [stderr] 117 | |     {
[INFO] [stderr] 118 | |         self.get(k).is_some()
[INFO] [stderr] 119 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for an associated function
[INFO] [stderr]    --> src/collections/hashmap/map.rs:131:5
[INFO] [stderr]     |
[INFO] [stderr] 131 |     pub fn iter(&self) -> Iter<K, V> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for an associated function
[INFO] [stderr]    --> src/collections/hashmap/map.rs:135:5
[INFO] [stderr]     |
[INFO] [stderr] 135 |     pub fn values(&self) -> ValueIter<K, V> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for an associated function
[INFO] [stderr]    --> src/collections/hashmap/map.rs:139:5
[INFO] [stderr]     |
[INFO] [stderr] 139 |     pub fn keys(&self) -> KeyIter<K, V> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for an associated function
[INFO] [stderr]    --> src/collections/hashmap/map.rs:143:5
[INFO] [stderr]     |
[INFO] [stderr] 143 |     pub fn clear(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for an associated function
[INFO] [stderr]    --> src/collections/hashmap/map.rs:147:5
[INFO] [stderr]     |
[INFO] [stderr] 147 |     pub fn insert(&mut self, k: K, v: V) -> Option<V> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for an associated function
[INFO] [stderr]    --> src/collections/hashmap/map.rs:176:5
[INFO] [stderr]     |
[INFO] [stderr] 176 |     pub fn remove(&mut self, k: &K) -> Option<V> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for an associated function
[INFO] [stderr]    --> src/collections/hashmap/map.rs:198:5
[INFO] [stderr]     |
[INFO] [stderr] 198 |     pub fn get_mut(&mut self, k: &K) -> Option<&mut V> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for an associated function
[INFO] [stderr]    --> src/collections/hashmap/map.rs:209:5
[INFO] [stderr]     |
[INFO] [stderr] 209 |     pub fn to_snapshot(&'a self) -> HashMapReadSnapshot<K, V> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for an associated function
[INFO] [stderr]    --> src/collections/hashmap/map.rs:215:5
[INFO] [stderr]     |
[INFO] [stderr] 215 |     pub fn commit(self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for an associated function
[INFO] [stderr]    --> src/collections/hashmap/map.rs:221:5
[INFO] [stderr]     |
[INFO] [stderr] 221 | /     pub fn get<'b, Q: ?Sized>(&'a self, k: &'b Q) -> Option<&'a V>
[INFO] [stderr] 222 | |     where
[INFO] [stderr] 223 | |         K: Borrow<Q>,
[INFO] [stderr] 224 | |         Q: Hash + Eq,
[INFO] [stderr] ...   |
[INFO] [stderr] 240 | |         })
[INFO] [stderr] 241 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for an associated function
[INFO] [stderr]    --> src/collections/hashmap/map.rs:243:5
[INFO] [stderr]     |
[INFO] [stderr] 243 | /     pub fn contains_key<'b, Q: ?Sized>(&'a self, k: &'b Q) -> bool
[INFO] [stderr] 244 | |     where
[INFO] [stderr] 245 | |         K: Borrow<Q>,
[INFO] [stderr] 246 | |         Q: Hash + Eq,
[INFO] [stderr] 247 | |     {
[INFO] [stderr] 248 | |         self.get(k).is_some()
[INFO] [stderr] 249 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for an associated function
[INFO] [stderr]    --> src/collections/hashmap/map.rs:261:5
[INFO] [stderr]     |
[INFO] [stderr] 261 |     pub fn iter(&self) -> Iter<K, V> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for an associated function
[INFO] [stderr]    --> src/collections/hashmap/map.rs:265:5
[INFO] [stderr]     |
[INFO] [stderr] 265 |     pub fn values(&self) -> ValueIter<K, V> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for an associated function
[INFO] [stderr]    --> src/collections/hashmap/map.rs:269:5
[INFO] [stderr]     |
[INFO] [stderr] 269 |     pub fn keys(&self) -> KeyIter<K, V> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for an associated function
[INFO] [stderr]    --> src/collections/hashmap/map.rs:273:5
[INFO] [stderr]     |
[INFO] [stderr] 273 |     pub fn to_snapshot(&'a self) -> HashMapReadSnapshot<'a, K, V> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for an associated function
[INFO] [stderr]    --> src/collections/hashmap/map.rs:281:5
[INFO] [stderr]     |
[INFO] [stderr] 281 | /     pub fn get<'b, Q: ?Sized>(&'a self, k: &'b Q) -> Option<&'a V>
[INFO] [stderr] 282 | |     where
[INFO] [stderr] 283 | |         K: Borrow<Q>,
[INFO] [stderr] 284 | |         Q: Hash + Eq,
[INFO] [stderr] ...   |
[INFO] [stderr] 294 | |         })
[INFO] [stderr] 295 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for an associated function
[INFO] [stderr]    --> src/collections/hashmap/map.rs:297:5
[INFO] [stderr]     |
[INFO] [stderr] 297 | /     pub fn contains_key<'b, Q: ?Sized>(&'a self, k: &'b Q) -> bool
[INFO] [stderr] 298 | |     where
[INFO] [stderr] 299 | |         K: Borrow<Q>,
[INFO] [stderr] 300 | |         Q: Hash + Eq,
[INFO] [stderr] 301 | |     {
[INFO] [stderr] 302 | |         self.get(k).is_some()
[INFO] [stderr] 303 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for an associated function
[INFO] [stderr]    --> src/collections/hashmap/map.rs:315:5
[INFO] [stderr]     |
[INFO] [stderr] 315 |     pub fn iter(&self) -> Iter<K, V> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for an associated function
[INFO] [stderr]    --> src/collections/hashmap/map.rs:319:5
[INFO] [stderr]     |
[INFO] [stderr] 319 |     pub fn values(&self) -> ValueIter<K, V> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for an associated function
[INFO] [stderr]    --> src/collections/hashmap/map.rs:323:5
[INFO] [stderr]     |
[INFO] [stderr] 323 |     pub fn keys(&self) -> KeyIter<K, V> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 39 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling time-macros-impl v0.1.0
[INFO] [stderr]    Compiling time v0.2.9
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr] warning: unused import: `LLNode`
[INFO] [stderr]    --> src/cache/arc/ll.rs:251:33
[INFO] [stderr]     |
[INFO] [stderr] 251 |     use crate::cache::arc::ll::{LLNode, LL};
[INFO] [stderr]     |                                 ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `vinner` should have an upper camel case name
[INFO] [stderr]   --> src/collections/hashmap/map.rs:17:17
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub(crate) type vinner<K, V> = SmallVec<[(K, V); DEFAULT_STACK_ALLOC]>;
[INFO] [stderr]    |                 ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Vinner`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type annotations needed
[INFO] [stderr]    --> src/collections/bptree/node.rs:230:37
[INFO] [stderr]     |
[INFO] [stderr] 230 |             new.key[0].as_mut_ptr().write(pivot);
[INFO] [stderr]     |                                     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(tyvar_behind_raw_pointer)]` 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 the 2018 edition!
[INFO] [stderr]     = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/cache/arc/mod.rs:1244:13
[INFO] [stderr]      |
[INFO] [stderr] 1244 |         let mut wr_txn = arc.write();
[INFO] [stderr]      |             ----^^^^^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/cache/arc/mod.rs:1250:13
[INFO] [stderr]      |
[INFO] [stderr] 1250 |         let mut wr_txn = arc.write();
[INFO] [stderr]      |             ----^^^^^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/cache/arc/mod.rs:1297:13
[INFO] [stderr]      |
[INFO] [stderr] 1297 |         let mut wr_txn = arc.write();
[INFO] [stderr]      |             ----^^^^^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/cache/arc/mod.rs:1342:13
[INFO] [stderr]      |
[INFO] [stderr] 1342 |         let mut wr_txn = arc.write();
[INFO] [stderr]      |             ----^^^^^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/cache/arc/mod.rs:1498:13
[INFO] [stderr]      |
[INFO] [stderr] 1498 |         let mut wr_txn = arc.write();
[INFO] [stderr]      |             ----^^^^^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/cache/arc/mod.rs:1545:13
[INFO] [stderr]      |
[INFO] [stderr] 1545 |         let mut wr_txn = arc.write();
[INFO] [stderr]      |             ----^^^^^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/cache/arc/mod.rs:1578:13
[INFO] [stderr]      |
[INFO] [stderr] 1578 |         let mut wr_txn = arc.write();
[INFO] [stderr]      |             ----^^^^^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/cache/arc/mod.rs:1610:13
[INFO] [stderr]      |
[INFO] [stderr] 1610 |         let mut wr_txn = arc.write();
[INFO] [stderr]      |             ----^^^^^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/cache/arc/mod.rs:1673:13
[INFO] [stderr]      |
[INFO] [stderr] 1673 |         let mut wr_txn = arc.write();
[INFO] [stderr]      |             ----^^^^^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/cache/arc/mod.rs:1684:13
[INFO] [stderr]      |
[INFO] [stderr] 1684 |         let mut wr_txn = arc.write();
[INFO] [stderr]      |             ----^^^^^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/cache/arc/mod.rs:1709:13
[INFO] [stderr]      |
[INFO] [stderr] 1709 |         let mut wr_txn = arc.write();
[INFO] [stderr]      |             ----^^^^^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/cache/arc/mod.rs:1731:13
[INFO] [stderr]      |
[INFO] [stderr] 1731 |         let mut wr_txn = arc.write();
[INFO] [stderr]      |             ----^^^^^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/cache/arc/mod.rs:1760:13
[INFO] [stderr]      |
[INFO] [stderr] 1760 |         let mut wr_txn = arc.write();
[INFO] [stderr]      |             ----^^^^^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/cache/arc/mod.rs:1782:13
[INFO] [stderr]      |
[INFO] [stderr] 1782 |         let mut wr_txn = arc.write();
[INFO] [stderr]      |             ----^^^^^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/cache/arc/mod.rs:1802:13
[INFO] [stderr]      |
[INFO] [stderr] 1802 |         let mut wr_txn = arc.write();
[INFO] [stderr]      |             ----^^^^^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/cache/arc/mod.rs:1827:13
[INFO] [stderr]      |
[INFO] [stderr] 1827 |         let mut wr_txn = arc.write();
[INFO] [stderr]      |             ----^^^^^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/collections/hashmap/map.rs:346:17
[INFO] [stderr]     |
[INFO] [stderr] 346 |             let mut v = hmap_write.get_mut(&10).unwrap();
[INFO] [stderr]     |                 ----^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `iter_mut`
[INFO] [stderr]   --> src/cache/arc/ll.rs:49:19
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub(crate) fn iter_mut(&self) -> LLIterMut<K> {
[INFO] [stderr]    |                   ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `READ_THREAD_MIN`
[INFO] [stderr]   --> src/cache/arc/mod.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | const READ_THREAD_MIN: usize = 8;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `verify`
[INFO] [stderr]    --> src/collections/bptree/map.rs:419:19
[INFO] [stderr]     |
[INFO] [stderr] 419 |     pub(crate) fn verify(&self) -> bool {
[INFO] [stderr]     |                   ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/cowcell.rs:283:9
[INFO] [stderr]     |
[INFO] [stderr] 283 | /         scope(|scope| {
[INFO] [stderr] 284 | |             let cc_ref = &cc;
[INFO] [stderr] 285 | |
[INFO] [stderr] 286 | |             let _readers: Vec<_> = (0..7)
[INFO] [stderr] ...   |
[INFO] [stderr] 317 | |                 .collect();
[INFO] [stderr] 318 | |         });
[INFO] [stderr]     | |___________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/cowcell.rs:359:9
[INFO] [stderr]     |
[INFO] [stderr] 359 | /         scope(|scope| {
[INFO] [stderr] 360 | |             let cc_ref = &cc;
[INFO] [stderr] 361 | |             let _writers: Vec<_> = (0..3)
[INFO] [stderr] 362 | |                 .map(|_| {
[INFO] [stderr] ...   |
[INFO] [stderr] 367 | |                 .collect();
[INFO] [stderr] 368 | |         });
[INFO] [stderr]     | |___________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/ebrcell.rs:334:9
[INFO] [stderr]     |
[INFO] [stderr] 334 | /         scope(|scope| {
[INFO] [stderr] 335 | |             let cc_ref = &cc;
[INFO] [stderr] 336 | |
[INFO] [stderr] 337 | |             let _readers: Vec<_> = (0..7)
[INFO] [stderr] ...   |
[INFO] [stderr] 368 | |                 .collect();
[INFO] [stderr] 369 | |         });
[INFO] [stderr]     | |___________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/ebrcell.rs:410:9
[INFO] [stderr]     |
[INFO] [stderr] 410 | /         scope(|scope| {
[INFO] [stderr] 411 | |             let cc_ref = &cc;
[INFO] [stderr] 412 | |             let _writers: Vec<_> = (0..3)
[INFO] [stderr] 413 | |                 .map(|_| {
[INFO] [stderr] ...   |
[INFO] [stderr] 418 | |                 .collect();
[INFO] [stderr] 419 | |         });
[INFO] [stderr]     | |___________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lincowcell.rs:204:9
[INFO] [stderr]     |
[INFO] [stderr] 204 | /         scope(|scope| {
[INFO] [stderr] 205 | |             let cc_ref = &cc;
[INFO] [stderr] 206 | |
[INFO] [stderr] 207 | |             let _readers: Vec<_> = (0..7)
[INFO] [stderr] ...   |
[INFO] [stderr] 221 | |                 .collect();
[INFO] [stderr] 222 | |         });
[INFO] [stderr]     | |___________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lincowcell.rs:263:9
[INFO] [stderr]     |
[INFO] [stderr] 263 | /         scope(|scope| {
[INFO] [stderr] 264 | |             let cc_ref = &cc;
[INFO] [stderr] 265 | |             let _writers: Vec<_> = (0..3)
[INFO] [stderr] 266 | |                 .map(|_| {
[INFO] [stderr] ...   |
[INFO] [stderr] 271 | |                 .collect();
[INFO] [stderr] 272 | |         });
[INFO] [stderr]     | |___________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 29 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.49s
[INFO] running `"docker" "inspect" "ef717b43dd490ddffcd6a10d2d6e0996cf8d59ce1b32f8421f418535bb2b63e9"`
[INFO] running `"docker" "rm" "-f" "ef717b43dd490ddffcd6a10d2d6e0996cf8d59ce1b32f8421f418535bb2b63e9"`
[INFO] [stdout] ef717b43dd490ddffcd6a10d2d6e0996cf8d59ce1b32f8421f418535bb2b63e9