[INFO] updating cached repository https://github.com/SonicFrog/furry-bassoon [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] 03bc7cd0bce6dd1aeb5033b42ff0bbde83d54fa5 [INFO] testing SonicFrog/furry-bassoon against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSonicFrog%2Ffurry-bassoon" "/workspace/builds/worker-8/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/SonicFrog/furry-bassoon on toolchain 41997647ba6a77908f6ef64401414feb00bccf16 [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/SonicFrog/furry-bassoon [INFO] finished tweaking git repo https://github.com/SonicFrog/furry-bassoon [INFO] tweaked toml for git repo https://github.com/SonicFrog/furry-bassoon written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/SonicFrog/furry-bassoon already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 9e4ce2c6959cc9b6b82159fe6dc8557d86e3ebbf4c27dac30dcf97a6be3f178e [INFO] running `"docker" "start" "-a" "9e4ce2c6959cc9b6b82159fe6dc8557d86e3ebbf4c27dac30dcf97a6be3f178e"` [INFO] [stderr] Compiling libc v0.2.40 [INFO] [stderr] Compiling rand_core v0.1.0-pre.0 [INFO] [stderr] Compiling cfg-if v0.1.2 [INFO] [stderr] Compiling crossbeam-utils v0.3.2 [INFO] [stderr] Compiling rand v0.5.0-pre.0 [INFO] [stderr] Compiling time v0.1.39 [INFO] [stderr] Compiling memcached v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: field is never read: `hasher` [INFO] [stderr] --> src/map.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | hasher: DefaultHasher, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `remove` [INFO] [stderr] --> src/map.rs:79:5 [INFO] [stderr] | [INFO] [stderr] 79 | pub fn remove(&self, key: &K) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `DEFAULT_TABLE_CAPACITY` [INFO] [stderr] --> src/loan_map.rs:14:1 [INFO] [stderr] | [INFO] [stderr] 14 | const DEFAULT_TABLE_CAPACITY: usize = 128; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `DEFAULT_BUCKET_CAPACITY` [INFO] [stderr] --> src/loan_map.rs:15:1 [INFO] [stderr] | [INFO] [stderr] 15 | const DEFAULT_BUCKET_CAPACITY: usize = 128; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `head` [INFO] [stderr] --> src/loan_map.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | head: AtomicUsize, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `with_capacity` [INFO] [stderr] --> src/loan_map.rs:26:5 [INFO] [stderr] | [INFO] [stderr] 26 | fn with_capacity(cap: usize) -> VersionTable { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `current_head` [INFO] [stderr] --> src/loan_map.rs:33:5 [INFO] [stderr] | [INFO] [stderr] 33 | fn current_head(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `next_head` [INFO] [stderr] --> src/loan_map.rs:37:5 [INFO] [stderr] | [INFO] [stderr] 37 | fn next_head(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `scan` [INFO] [stderr] --> src/loan_map.rs:41:5 [INFO] [stderr] | [INFO] [stderr] 41 | / fn scan(&self, f: F) -> RwLockReadGuard> [INFO] [stderr] 42 | | where [INFO] [stderr] 43 | | F: Fn(&Bucket) -> bool, [INFO] [stderr] 44 | | { [INFO] [stderr] ... | [INFO] [stderr] 56 | | self.bucket[start].read().unwrap() [INFO] [stderr] 57 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `remove` [INFO] [stderr] --> src/loan_map.rs:59:5 [INFO] [stderr] | [INFO] [stderr] 59 | fn remove(&self, key: K) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `scan_mut` [INFO] [stderr] --> src/loan_map.rs:67:5 [INFO] [stderr] | [INFO] [stderr] 67 | / fn scan_mut(&self, f: F) -> RwLockWriteGuard> [INFO] [stderr] 68 | | where [INFO] [stderr] 69 | | F: Fn(&Bucket) -> bool, [INFO] [stderr] 70 | | { [INFO] [stderr] ... | [INFO] [stderr] 82 | | self.bucket[start].write().unwrap() [INFO] [stderr] 83 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `update` [INFO] [stderr] --> src/loan_map.rs:85:5 [INFO] [stderr] | [INFO] [stderr] 85 | fn update(&self, key: K, value: V) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `newest` [INFO] [stderr] --> src/loan_map.rs:92:5 [INFO] [stderr] | [INFO] [stderr] 92 | fn newest(&self, key: &K) -> Option>> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Empty` [INFO] [stderr] --> src/loan_map.rs:114:5 [INFO] [stderr] | [INFO] [stderr] 114 | Empty, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Removed` [INFO] [stderr] --> src/loan_map.rs:115:5 [INFO] [stderr] | [INFO] [stderr] 115 | Removed(K), [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Contains` [INFO] [stderr] --> src/loan_map.rs:116:5 [INFO] [stderr] | [INFO] [stderr] 116 | Contains(K, V), [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_free` [INFO] [stderr] --> src/loan_map.rs:120:5 [INFO] [stderr] | [INFO] [stderr] 120 | fn is_free(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `value` [INFO] [stderr] --> src/loan_map.rs:127:5 [INFO] [stderr] | [INFO] [stderr] 127 | fn value(self) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `key` [INFO] [stderr] --> src/loan_map.rs:135:5 [INFO] [stderr] | [INFO] [stderr] 135 | fn key(&self) -> Option<&K> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `value_ref` [INFO] [stderr] --> src/loan_map.rs:143:5 [INFO] [stderr] | [INFO] [stderr] 143 | fn value_ref(&self) -> Result<&V, ()> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `key_matches` [INFO] [stderr] --> src/loan_map.rs:151:5 [INFO] [stderr] | [INFO] [stderr] 151 | / fn key_matches(&self, key: &K) -> bool [INFO] [stderr] 152 | | where [INFO] [stderr] 153 | | K: PartialEq, [INFO] [stderr] 154 | | { [INFO] [stderr] ... | [INFO] [stderr] 159 | | } [INFO] [stderr] 160 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `hash_builder` [INFO] [stderr] --> src/loan_map.rs:167:5 [INFO] [stderr] | [INFO] [stderr] 167 | hash_builder: RandomState, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `buckets` [INFO] [stderr] --> src/loan_map.rs:168:5 [INFO] [stderr] | [INFO] [stderr] 168 | buckets: Vec>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `with_capacity` [INFO] [stderr] --> src/loan_map.rs:175:5 [INFO] [stderr] | [INFO] [stderr] 175 | fn with_capacity(cap: usize, bucket_size: usize) -> Table { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `hash` [INFO] [stderr] --> src/loan_map.rs:185:5 [INFO] [stderr] | [INFO] [stderr] 185 | fn hash(&self, key: &K) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `scan` [INFO] [stderr] --> src/loan_map.rs:192:5 [INFO] [stderr] | [INFO] [stderr] 192 | / fn scan(&self, key: &K, matches: F) -> RwLockReadGuard> [INFO] [stderr] 193 | | where F: Fn(&Bucket) -> bool, [INFO] [stderr] 194 | | { [INFO] [stderr] 195 | | self.buckets[self.hash(key)].scan(matches) [INFO] [stderr] 196 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `scan_mut` [INFO] [stderr] --> src/loan_map.rs:198:5 [INFO] [stderr] | [INFO] [stderr] 198 | / fn scan_mut(&self, key: &K, matches: F) -> RwLockWriteGuard> [INFO] [stderr] 199 | | where F: Fn(&Bucket) -> bool, [INFO] [stderr] 200 | | { [INFO] [stderr] 201 | | self.buckets[self.hash(key)].scan_mut(matches) [INFO] [stderr] 202 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `lookup` [INFO] [stderr] --> src/loan_map.rs:204:5 [INFO] [stderr] | [INFO] [stderr] 204 | fn lookup(&self, key: &K) -> RwLockReadGuard> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `lookup_or_free` [INFO] [stderr] --> src/loan_map.rs:212:5 [INFO] [stderr] | [INFO] [stderr] 212 | fn lookup_or_free(&self, key: &K) -> RwLockWriteGuard> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `remove` [INFO] [stderr] --> src/loan_map.rs:222:5 [INFO] [stderr] | [INFO] [stderr] 222 | fn remove(&self, key: K) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `lookup_or_free_mut` [INFO] [stderr] --> src/loan_map.rs:226:5 [INFO] [stderr] | [INFO] [stderr] 226 | fn lookup_or_free_mut(&self, key: &K) -> RwLockWriteGuard> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `lookup_mut` [INFO] [stderr] --> src/loan_map.rs:233:5 [INFO] [stderr] | [INFO] [stderr] 233 | fn lookup_mut(&self, key: &K) -> RwLockWriteGuard> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `LoanMap` [INFO] [stderr] --> src/loan_map.rs:283:12 [INFO] [stderr] | [INFO] [stderr] 283 | pub struct LoanMap [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/loan_map.rs:295:5 [INFO] [stderr] | [INFO] [stderr] 295 | pub fn new() -> LoanMap { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `with_capacity` [INFO] [stderr] --> src/loan_map.rs:301:5 [INFO] [stderr] | [INFO] [stderr] 301 | pub fn with_capacity(cap: usize, bucket_size: usize) -> LoanMap { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get` [INFO] [stderr] --> src/loan_map.rs:307:5 [INFO] [stderr] | [INFO] [stderr] 307 | pub fn get(&self, key: &K) -> Option> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `upsert` [INFO] [stderr] --> src/loan_map.rs:319:5 [INFO] [stderr] | [INFO] [stderr] 319 | / pub fn upsert(&self, key: K, f: F) -> Option [INFO] [stderr] 320 | | where [INFO] [stderr] 321 | | F: FnOnce(&V) -> V, [INFO] [stderr] 322 | | { [INFO] [stderr] ... | [INFO] [stderr] 330 | | mem::replace(&mut *bucket, Bucket::Contains(key, new_val)).value() [INFO] [stderr] 331 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `put` [INFO] [stderr] --> src/loan_map.rs:333:5 [INFO] [stderr] | [INFO] [stderr] 333 | pub fn put(&self, key: K, val: V) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `remove` [INFO] [stderr] --> src/loan_map.rs:340:5 [INFO] [stderr] | [INFO] [stderr] 340 | pub fn remove(&self, key: K) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 39 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.91s [INFO] running `"docker" "inspect" "9e4ce2c6959cc9b6b82159fe6dc8557d86e3ebbf4c27dac30dcf97a6be3f178e"` [INFO] running `"docker" "rm" "-f" "9e4ce2c6959cc9b6b82159fe6dc8557d86e3ebbf4c27dac30dcf97a6be3f178e"` [INFO] [stdout] 9e4ce2c6959cc9b6b82159fe6dc8557d86e3ebbf4c27dac30dcf97a6be3f178e [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"` [INFO] [stdout] 150bb5298249ef7de1fbf562ab90632deac5b2348e7dbf1f6e8441baa64c7608 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "150bb5298249ef7de1fbf562ab90632deac5b2348e7dbf1f6e8441baa64c7608"` [INFO] [stderr] Compiling memcached v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused imports: `AtomicI64`, `Ordering` [INFO] [stderr] --> src/loan_map.rs:358:29 [INFO] [stderr] | [INFO] [stderr] 358 | use std::sync::atomic::{AtomicI64, Ordering}; [INFO] [stderr] | ^^^^^^^^^ ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `keys` [INFO] [stderr] --> src/loan_map.rs:617:13 [INFO] [stderr] | [INFO] [stderr] 617 | let keys = gen_rand_strings(size * 2, size); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_keys` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `values` [INFO] [stderr] --> src/loan_map.rs:618:13 [INFO] [stderr] | [INFO] [stderr] 618 | let values = gen_rand_strings(size * 2, size); [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_values` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/loan_map.rs:641:19 [INFO] [stderr] | [INFO] [stderr] 641 | for (key, value) in kv1 { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/loan_map.rs:492:33 [INFO] [stderr] | [INFO] [stderr] 492 | ... let mut elapsed; [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/loan_map.rs:474:37 [INFO] [stderr] | [INFO] [stderr] 474 | ... let mut start; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: field is never read: `hasher` [INFO] [stderr] --> src/map.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | hasher: DefaultHasher, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `remove` [INFO] [stderr] --> src/loan_map.rs:59:5 [INFO] [stderr] | [INFO] [stderr] 59 | fn remove(&self, key: K) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_free` [INFO] [stderr] --> src/loan_map.rs:120:5 [INFO] [stderr] | [INFO] [stderr] 120 | fn is_free(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `key` [INFO] [stderr] --> src/loan_map.rs:135:5 [INFO] [stderr] | [INFO] [stderr] 135 | fn key(&self) -> Option<&K> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `lookup_or_free` [INFO] [stderr] --> src/loan_map.rs:212:5 [INFO] [stderr] | [INFO] [stderr] 212 | fn lookup_or_free(&self, key: &K) -> RwLockWriteGuard> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `remove` [INFO] [stderr] --> src/loan_map.rs:222:5 [INFO] [stderr] | [INFO] [stderr] 222 | fn remove(&self, key: K) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `lookup_mut` [INFO] [stderr] --> src/loan_map.rs:233:5 [INFO] [stderr] | [INFO] [stderr] 233 | fn lookup_mut(&self, key: &K) -> RwLockWriteGuard> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `upsert` [INFO] [stderr] --> src/loan_map.rs:319:5 [INFO] [stderr] | [INFO] [stderr] 319 | / pub fn upsert(&self, key: K, f: F) -> Option [INFO] [stderr] 320 | | where [INFO] [stderr] 321 | | F: FnOnce(&V) -> V, [INFO] [stderr] 322 | | { [INFO] [stderr] ... | [INFO] [stderr] 330 | | mem::replace(&mut *bucket, Bucket::Contains(key, new_val)).value() [INFO] [stderr] 331 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] [INFO] [stderr] warning: 14 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.95s [INFO] running `"docker" "inspect" "150bb5298249ef7de1fbf562ab90632deac5b2348e7dbf1f6e8441baa64c7608"` [INFO] running `"docker" "rm" "-f" "150bb5298249ef7de1fbf562ab90632deac5b2348e7dbf1f6e8441baa64c7608"` [INFO] [stdout] 150bb5298249ef7de1fbf562ab90632deac5b2348e7dbf1f6e8441baa64c7608 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 0f8b807291991a9018a08fd2340df4d9d3863f854bb3c49097fdbb39fc3218ef [INFO] running `"docker" "start" "-a" "0f8b807291991a9018a08fd2340df4d9d3863f854bb3c49097fdbb39fc3218ef"` [INFO] [stderr] warning: unused imports: `AtomicI64`, `Ordering` [INFO] [stderr] --> src/loan_map.rs:358:29 [INFO] [stderr] | [INFO] [stderr] 358 | use std::sync::atomic::{AtomicI64, Ordering}; [INFO] [stderr] | ^^^^^^^^^ ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `keys` [INFO] [stderr] --> src/loan_map.rs:617:13 [INFO] [stderr] | [INFO] [stderr] 617 | let keys = gen_rand_strings(size * 2, size); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_keys` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `values` [INFO] [stderr] --> src/loan_map.rs:618:13 [INFO] [stderr] | [INFO] [stderr] 618 | let values = gen_rand_strings(size * 2, size); [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_values` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/loan_map.rs:641:19 [INFO] [stderr] | [INFO] [stderr] 641 | for (key, value) in kv1 { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/loan_map.rs:492:33 [INFO] [stderr] | [INFO] [stderr] 492 | ... let mut elapsed; [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/loan_map.rs:474:37 [INFO] [stderr] | [INFO] [stderr] 474 | ... let mut start; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: field is never read: `hasher` [INFO] [stderr] --> src/map.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | hasher: DefaultHasher, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `remove` [INFO] [stderr] --> src/loan_map.rs:59:5 [INFO] [stderr] | [INFO] [stderr] 59 | fn remove(&self, key: K) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_free` [INFO] [stderr] --> src/loan_map.rs:120:5 [INFO] [stderr] | [INFO] [stderr] 120 | fn is_free(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `key` [INFO] [stderr] --> src/loan_map.rs:135:5 [INFO] [stderr] | [INFO] [stderr] 135 | fn key(&self) -> Option<&K> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `lookup_or_free` [INFO] [stderr] --> src/loan_map.rs:212:5 [INFO] [stderr] | [INFO] [stderr] 212 | fn lookup_or_free(&self, key: &K) -> RwLockWriteGuard> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `remove` [INFO] [stderr] --> src/loan_map.rs:222:5 [INFO] [stderr] | [INFO] [stderr] 222 | fn remove(&self, key: K) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `lookup_mut` [INFO] [stderr] --> src/loan_map.rs:233:5 [INFO] [stderr] | [INFO] [stderr] 233 | fn lookup_mut(&self, key: &K) -> RwLockWriteGuard> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `upsert` [INFO] [stderr] --> src/loan_map.rs:319:5 [INFO] [stderr] | [INFO] [stderr] 319 | / pub fn upsert(&self, key: K, f: F) -> Option [INFO] [stderr] 320 | | where [INFO] [stderr] 321 | | F: FnOnce(&V) -> V, [INFO] [stderr] 322 | | { [INFO] [stderr] ... | [INFO] [stderr] 330 | | mem::replace(&mut *bucket, Bucket::Contains(key, new_val)).value() [INFO] [stderr] 331 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] [INFO] [stderr] warning: 14 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/memcached-7557ef66e4724e7c [INFO] [stdout] [INFO] [stdout] running 17 tests [INFO] [stdout] test tests::existing_key_returns_some_value ... ok [INFO] [stdout] test tests::non_existent_key_is_none ... ok [INFO] [stdout] test loan_map::tests::version_table_values_dont_interfere ... ok [INFO] [stdout] test tests::remove_test ... ok [INFO] [stdout] test loan_map::tests::version_table_update_single_key ... ok [INFO] [stdout] test loan_map::tests::delete_value ... ok [INFO] [stdout] test loan_map::tests::double_insert_updates_value ... ok [INFO] [stdout] test loan_map::tests::insert_then_remove ... ok [INFO] [stdout] test loan_map::tests::get_inexistent_value ... ok [INFO] [stdout] test loan_map::tests::insert_then_get ... ok [INFO] [stdout] test loan_map::tests::version_table_overflow_overwrites_old_values ... ok [INFO] [stdout] test tests::bench_access_32_32 ... ok [INFO] [stdout] test loan_map::tests::version_table_multi_version_multi_key ... ok [INFO] [stdout] test loan_map::tests::bench_access_u32_key_u32_value ... ok [INFO] [stdout] test loan_map::tests::concurrent_puts ... FAILED [INFO] [stdout] test loan_map::tests::bench_huge_values ... ok [INFO] [stdout] test loan_map::tests::bench_access_string_key_string_value ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- loan_map::tests::concurrent_puts stdout ---- [INFO] [stdout] thread 'loan_map::tests::concurrent_puts' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', src/loan_map.rs:455:61 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55c187a41704 - backtrace::backtrace::libunwind::trace::h61666fa4b9834a45 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x55c187a41704 - backtrace::backtrace::trace_unsynchronized::h01d3725fb5da8653 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55c187a41704 - std::sys_common::backtrace::_print_fmt::h5c7c4751bc296f90 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x55c187a41704 - ::fmt::h7729313ad2d729c7 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x55c187a6a47c - core::fmt::write::hb0049f6c12bdaffc [INFO] [stdout] at src/libcore/fmt/mod.rs:1069 [INFO] [stdout] 5: 0x55c1879c8855 - std::io::Write::write_fmt::h5d052af13df32ea6 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/io/mod.rs:1504 [INFO] [stdout] 6: 0x55c187a3bb81 - std::io::impls::>::write_fmt::h8fe8a9bdc421b4b6 [INFO] [stdout] at src/libstd/io/impls.rs:156 [INFO] [stdout] 7: 0x55c187a43ff5 - std::sys_common::backtrace::_print::ha087cac92e84a414 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 8: 0x55c187a43ff5 - std::sys_common::backtrace::print::h6b013d3bfe6cbcb8 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 9: 0x55c187a43ff5 - std::panicking::default_hook::{{closure}}::h016d7de02def2736 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 10: 0x55c187a43cdb - std::panicking::default_hook::h9386f7e484840463 [INFO] [stdout] at src/libstd/panicking.rs:215 [INFO] [stdout] 11: 0x55c187a44652 - std::panicking::rust_panic_with_hook::h3846eb1b2e5a9312 [INFO] [stdout] at src/libstd/panicking.rs:511 [INFO] [stdout] 12: 0x55c187a4423b - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:419 [INFO] [stdout] 13: 0x55c187a68ea1 - core::panicking::panic_fmt::hc5953a7331f9805c [INFO] [stdout] at src/libcore/panicking.rs:111 [INFO] [stdout] 14: 0x55c187a68cc3 - core::option::expect_none_failed::hf2c575a7b931ce1f [INFO] [stdout] at src/libcore/option.rs:1268 [INFO] [stdout] 15: 0x55c1879b5b4b - core::result::Result::unwrap::hbc6090a3df7e41f3 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/result.rs:1005 [INFO] [stdout] 16: 0x55c1879a088d - memcached::loan_map::tests::concurrent_puts::hce42157d9ee041e6 [INFO] [stdout] at src/loan_map.rs:455 [INFO] [stdout] 17: 0x55c1879a076a - memcached::loan_map::tests::concurrent_puts::{{closure}}::h2a1668cf283a994e [INFO] [stdout] at src/loan_map.rs:441 [INFO] [stdout] 18: 0x55c1879b96fe - core::ops::function::FnOnce::call_once::hecebdaa5e885d9d9 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/ops/function.rs:232 [INFO] [stdout] 19: 0x55c1879d474f - as core::ops::function::FnOnce>::call_once::h1f6ee40732e80908 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/liballoc/boxed.rs:1008 [INFO] [stdout] 20: 0x55c1879f07be - as core::ops::function::FnOnce<()>>::call_once::h85dff111be9c2dc6 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panic.rs:318 [INFO] [stdout] 21: 0x55c1879f07be - std::panicking::try::do_call::hee6f5a4bef67c840 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panicking.rs:331 [INFO] [stdout] 22: 0x55c1879f07be - std::panicking::try::h3384d3b948e84dbc [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panicking.rs:274 [INFO] [stdout] 23: 0x55c1879f07be - std::panic::catch_unwind::h5ae91218e578066d [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panic.rs:394 [INFO] [stdout] 24: 0x55c1879f07be - test::run_test_in_process::he37a49587889b910 [INFO] [stdout] at src/libtest/lib.rs:541 [INFO] [stdout] 25: 0x55c1879f07be - test::run_test::run_test_inner::{{closure}}::h4f0d25136ca480c2 [INFO] [stdout] at src/libtest/lib.rs:450 [INFO] [stdout] 26: 0x55c1879c7d06 - std::sys_common::backtrace::__rust_begin_short_backtrace::h969eceda34247af3 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/sys_common/backtrace.rs:130 [INFO] [stdout] 27: 0x55c1879cd095 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h912007997cb04e92 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/thread/mod.rs:475 [INFO] [stdout] 28: 0x55c1879cd095 - as core::ops::function::FnOnce<()>>::call_once::h8795d8b7bd223988 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panic.rs:318 [INFO] [stdout] 29: 0x55c1879cd095 - std::panicking::try::do_call::hb29b86f86d4d722e [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panicking.rs:331 [INFO] [stdout] 30: 0x55c1879cd095 - std::panicking::try::h4bfefb3eddc0d900 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panicking.rs:274 [INFO] [stdout] 31: 0x55c1879cd095 - std::panic::catch_unwind::h774c24d4b38d5828 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panic.rs:394 [INFO] [stdout] 32: 0x55c1879cd095 - std::thread::Builder::spawn_unchecked::{{closure}}::ha50a32fa99413dde [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/thread/mod.rs:474 [INFO] [stdout] 33: 0x55c1879cd095 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9dacb8f28d699f86 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/ops/function.rs:232 [INFO] [stdout] 34: 0x55c187a37a3f - as core::ops::function::FnOnce>::call_once::h7deaeeba480c6ce2 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/liballoc/boxed.rs:1008 [INFO] [stdout] 35: 0x55c187a4aec3 - as core::ops::function::FnOnce>::call_once::h968b1dfb87756523 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/liballoc/boxed.rs:1008 [INFO] [stdout] 36: 0x55c187a4aec3 - std::sys::unix::thread::Thread::new::thread_start::h2399addeb6370595 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:87 [INFO] [stdout] 37: 0x7f89afb116db - start_thread [INFO] [stdout] 38: 0x7f89af62288f - __clone [INFO] [stdout] 39: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] loan_map::tests::concurrent_puts [INFO] [stdout] [INFO] [stdout] test result: FAILED. 16 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--bin memcached' [INFO] running `"docker" "inspect" "0f8b807291991a9018a08fd2340df4d9d3863f854bb3c49097fdbb39fc3218ef"` [INFO] running `"docker" "rm" "-f" "0f8b807291991a9018a08fd2340df4d9d3863f854bb3c49097fdbb39fc3218ef"` [INFO] [stdout] 0f8b807291991a9018a08fd2340df4d9d3863f854bb3c49097fdbb39fc3218ef