[INFO] cloning repository https://github.com/SonicFrog/furry-bassoon [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SonicFrog/furry-bassoon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSonicFrog%2Ffurry-bassoon", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSonicFrog%2Ffurry-bassoon'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 03bc7cd0bce6dd1aeb5033b42ff0bbde83d54fa5 [INFO] testing SonicFrog/furry-bassoon against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSonicFrog%2Ffurry-bassoon" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/SonicFrog/furry-bassoon on toolchain b70888601af92f6cdc0364abab3446e418b91d36 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-14/source/Cargo.toml [INFO] crate git repo https://github.com/SonicFrog/furry-bassoon already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0b24654dabb116be29ccfbfb85787686934ef7716b14513d41373d99b51fc8b2 [INFO] running `Command { std: "docker" "start" "-a" "0b24654dabb116be29ccfbfb85787686934ef7716b14513d41373d99b51fc8b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0b24654dabb116be29ccfbfb85787686934ef7716b14513d41373d99b51fc8b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b24654dabb116be29ccfbfb85787686934ef7716b14513d41373d99b51fc8b2", kill_on_drop: false }` [INFO] [stdout] 0b24654dabb116be29ccfbfb85787686934ef7716b14513d41373d99b51fc8b2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] df89ca0db8a69ba551cad3874996d5eca88da6db4330817381a7a9bee0aa9816 [INFO] running `Command { std: "docker" "start" "-a" "df89ca0db8a69ba551cad3874996d5eca88da6db4330817381a7a9bee0aa9816", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.40 [INFO] [stderr] Compiling cfg-if v0.1.2 [INFO] [stderr] Compiling stable_deref_trait v1.0.0 [INFO] [stderr] Compiling rand_core v0.1.0-pre.0 [INFO] [stderr] Compiling crossbeam-utils v0.3.2 [INFO] [stderr] Compiling owning_ref v0.3.3 [INFO] [stderr] Compiling time v0.1.39 [INFO] [stderr] Compiling rand v0.5.0-pre.0 [INFO] [stderr] Compiling memcached v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `hasher` [INFO] [stdout] --> src/map.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | hasher: DefaultHasher, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `remove` [INFO] [stdout] --> src/map.rs:79:12 [INFO] [stdout] | [INFO] [stdout] 79 | pub fn remove(&self, key: &K) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `DEFAULT_TABLE_CAPACITY` [INFO] [stdout] --> src/loan_map.rs:14:1 [INFO] [stdout] | [INFO] [stdout] 14 | const DEFAULT_TABLE_CAPACITY: usize = 128; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `DEFAULT_BUCKET_CAPACITY` [INFO] [stdout] --> src/loan_map.rs:15:1 [INFO] [stdout] | [INFO] [stdout] 15 | const DEFAULT_BUCKET_CAPACITY: usize = 128; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `head` [INFO] [stdout] --> src/loan_map.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | head: AtomicUsize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `with_capacity` [INFO] [stdout] --> src/loan_map.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 26 | fn with_capacity(cap: usize) -> VersionTable { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `current_head` [INFO] [stdout] --> src/loan_map.rs:33:8 [INFO] [stdout] | [INFO] [stdout] 33 | fn current_head(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `next_head` [INFO] [stdout] --> src/loan_map.rs:37:8 [INFO] [stdout] | [INFO] [stdout] 37 | fn next_head(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `scan` [INFO] [stdout] --> src/loan_map.rs:41:8 [INFO] [stdout] | [INFO] [stdout] 41 | fn scan(&self, f: F) -> RwLockReadGuard> [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `remove` [INFO] [stdout] --> src/loan_map.rs:59:8 [INFO] [stdout] | [INFO] [stdout] 59 | fn remove(&self, key: K) -> Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `scan_mut` [INFO] [stdout] --> src/loan_map.rs:67:8 [INFO] [stdout] | [INFO] [stdout] 67 | fn scan_mut(&self, f: F) -> RwLockWriteGuard> [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `update` [INFO] [stdout] --> src/loan_map.rs:85:8 [INFO] [stdout] | [INFO] [stdout] 85 | fn update(&self, key: K, value: V) -> Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `newest` [INFO] [stdout] --> src/loan_map.rs:92:8 [INFO] [stdout] | [INFO] [stdout] 92 | fn newest(&self, key: &K) -> Option>> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Empty` [INFO] [stdout] --> src/loan_map.rs:114:5 [INFO] [stdout] | [INFO] [stdout] 114 | Empty, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Removed` [INFO] [stdout] --> src/loan_map.rs:115:5 [INFO] [stdout] | [INFO] [stdout] 115 | Removed(K), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Contains` [INFO] [stdout] --> src/loan_map.rs:116:5 [INFO] [stdout] | [INFO] [stdout] 116 | Contains(K, V), [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_free` [INFO] [stdout] --> src/loan_map.rs:120:8 [INFO] [stdout] | [INFO] [stdout] 120 | fn is_free(&self) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `value` [INFO] [stdout] --> src/loan_map.rs:127:8 [INFO] [stdout] | [INFO] [stdout] 127 | fn value(self) -> Option { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `key` [INFO] [stdout] --> src/loan_map.rs:135:8 [INFO] [stdout] | [INFO] [stdout] 135 | fn key(&self) -> Option<&K> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `value_ref` [INFO] [stdout] --> src/loan_map.rs:143:8 [INFO] [stdout] | [INFO] [stdout] 143 | fn value_ref(&self) -> Result<&V, ()> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `key_matches` [INFO] [stdout] --> src/loan_map.rs:151:8 [INFO] [stdout] | [INFO] [stdout] 151 | fn key_matches(&self, key: &K) -> bool [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `hash_builder` [INFO] [stdout] --> src/loan_map.rs:167:5 [INFO] [stdout] | [INFO] [stdout] 167 | hash_builder: RandomState, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `buckets` [INFO] [stdout] --> src/loan_map.rs:168:5 [INFO] [stdout] | [INFO] [stdout] 168 | buckets: Vec>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `with_capacity` [INFO] [stdout] --> src/loan_map.rs:175:8 [INFO] [stdout] | [INFO] [stdout] 175 | fn with_capacity(cap: usize, bucket_size: usize) -> Table { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `hash` [INFO] [stdout] --> src/loan_map.rs:185:8 [INFO] [stdout] | [INFO] [stdout] 185 | fn hash(&self, key: &K) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `scan` [INFO] [stdout] --> src/loan_map.rs:192:8 [INFO] [stdout] | [INFO] [stdout] 192 | fn scan(&self, key: &K, matches: F) -> RwLockReadGuard> [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `scan_mut` [INFO] [stdout] --> src/loan_map.rs:198:8 [INFO] [stdout] | [INFO] [stdout] 198 | fn scan_mut(&self, key: &K, matches: F) -> RwLockWriteGuard> [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `lookup` [INFO] [stdout] --> src/loan_map.rs:204:8 [INFO] [stdout] | [INFO] [stdout] 204 | fn lookup(&self, key: &K) -> RwLockReadGuard> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `lookup_or_free` [INFO] [stdout] --> src/loan_map.rs:212:8 [INFO] [stdout] | [INFO] [stdout] 212 | fn lookup_or_free(&self, key: &K) -> RwLockWriteGuard> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `remove` [INFO] [stdout] --> src/loan_map.rs:222:8 [INFO] [stdout] | [INFO] [stdout] 222 | fn remove(&self, key: K) -> Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `lookup_or_free_mut` [INFO] [stdout] --> src/loan_map.rs:226:8 [INFO] [stdout] | [INFO] [stdout] 226 | fn lookup_or_free_mut(&self, key: &K) -> RwLockWriteGuard> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `lookup_mut` [INFO] [stdout] --> src/loan_map.rs:233:8 [INFO] [stdout] | [INFO] [stdout] 233 | fn lookup_mut(&self, key: &K) -> RwLockWriteGuard> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `LoanMap` [INFO] [stdout] --> src/loan_map.rs:283:12 [INFO] [stdout] | [INFO] [stdout] 283 | pub struct LoanMap [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/loan_map.rs:295:12 [INFO] [stdout] | [INFO] [stdout] 295 | pub fn new() -> LoanMap { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `with_capacity` [INFO] [stdout] --> src/loan_map.rs:301:12 [INFO] [stdout] | [INFO] [stdout] 301 | pub fn with_capacity(cap: usize, bucket_size: usize) -> LoanMap { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get` [INFO] [stdout] --> src/loan_map.rs:307:12 [INFO] [stdout] | [INFO] [stdout] 307 | pub fn get(&self, key: &K) -> Option> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `upsert` [INFO] [stdout] --> src/loan_map.rs:319:12 [INFO] [stdout] | [INFO] [stdout] 319 | pub fn upsert(&self, key: K, f: F) -> Option [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `put` [INFO] [stdout] --> src/loan_map.rs:333:12 [INFO] [stdout] | [INFO] [stdout] 333 | pub fn put(&self, key: K, val: V) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `remove` [INFO] [stdout] --> src/loan_map.rs:340:12 [INFO] [stdout] | [INFO] [stdout] 340 | pub fn remove(&self, key: K) -> Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 39 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.82s [INFO] running `Command { std: "docker" "inspect" "df89ca0db8a69ba551cad3874996d5eca88da6db4330817381a7a9bee0aa9816", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df89ca0db8a69ba551cad3874996d5eca88da6db4330817381a7a9bee0aa9816", kill_on_drop: false }` [INFO] [stdout] df89ca0db8a69ba551cad3874996d5eca88da6db4330817381a7a9bee0aa9816 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b727df857a9bb0edef63fabaa7b725c9727f802fe4c72661175a0023b1dc5709 [INFO] running `Command { std: "docker" "start" "-a" "b727df857a9bb0edef63fabaa7b725c9727f802fe4c72661175a0023b1dc5709", kill_on_drop: false }` [INFO] [stderr] Compiling memcached v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `AtomicI64`, `Ordering` [INFO] [stdout] --> src/loan_map.rs:358:29 [INFO] [stdout] | [INFO] [stdout] 358 | use std::sync::atomic::{AtomicI64, Ordering}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `keys` [INFO] [stdout] --> src/loan_map.rs:617:13 [INFO] [stdout] | [INFO] [stdout] 617 | let keys = gen_rand_strings(size * 2, size); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_keys` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `values` [INFO] [stdout] --> src/loan_map.rs:618:13 [INFO] [stdout] | [INFO] [stdout] 618 | let values = gen_rand_strings(size * 2, size); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_values` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/loan_map.rs:641:19 [INFO] [stdout] | [INFO] [stdout] 641 | for (key, value) in kv1 { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/loan_map.rs:474:37 [INFO] [stdout] | [INFO] [stdout] 474 | ... let mut start; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/loan_map.rs:492:33 [INFO] [stdout] | [INFO] [stdout] 492 | ... let mut elapsed; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `hasher` [INFO] [stdout] --> src/map.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | hasher: DefaultHasher, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `remove` [INFO] [stdout] --> src/loan_map.rs:59:8 [INFO] [stdout] | [INFO] [stdout] 59 | fn remove(&self, key: K) -> Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_free` [INFO] [stdout] --> src/loan_map.rs:120:8 [INFO] [stdout] | [INFO] [stdout] 120 | fn is_free(&self) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `key` [INFO] [stdout] --> src/loan_map.rs:135:8 [INFO] [stdout] | [INFO] [stdout] 135 | fn key(&self) -> Option<&K> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `lookup_or_free` [INFO] [stdout] --> src/loan_map.rs:212:8 [INFO] [stdout] | [INFO] [stdout] 212 | fn lookup_or_free(&self, key: &K) -> RwLockWriteGuard> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `remove` [INFO] [stdout] --> src/loan_map.rs:222:8 [INFO] [stdout] | [INFO] [stdout] 222 | fn remove(&self, key: K) -> Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `lookup_mut` [INFO] [stdout] --> src/loan_map.rs:233:8 [INFO] [stdout] | [INFO] [stdout] 233 | fn lookup_mut(&self, key: &K) -> RwLockWriteGuard> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `upsert` [INFO] [stdout] --> src/loan_map.rs:319:12 [INFO] [stdout] | [INFO] [stdout] 319 | pub fn upsert(&self, key: K, f: F) -> Option [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.95s [INFO] running `Command { std: "docker" "inspect" "b727df857a9bb0edef63fabaa7b725c9727f802fe4c72661175a0023b1dc5709", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b727df857a9bb0edef63fabaa7b725c9727f802fe4c72661175a0023b1dc5709", kill_on_drop: false }` [INFO] [stdout] b727df857a9bb0edef63fabaa7b725c9727f802fe4c72661175a0023b1dc5709 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 1ee60d6d35c90174633e6b9a86403809cef30317b74526b5b142cdbf22342131 [INFO] running `Command { std: "docker" "start" "-a" "1ee60d6d35c90174633e6b9a86403809cef30317b74526b5b142cdbf22342131", kill_on_drop: false }` [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:474:37 [INFO] [stderr] | [INFO] [stderr] 474 | ... let mut start; [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:492:33 [INFO] [stderr] | [INFO] [stderr] 492 | ... let mut elapsed; [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: associated function is never used: `remove` [INFO] [stderr] --> src/loan_map.rs:59:8 [INFO] [stderr] | [INFO] [stderr] 59 | fn remove(&self, key: K) -> Option { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `is_free` [INFO] [stderr] --> src/loan_map.rs:120:8 [INFO] [stderr] | [INFO] [stderr] 120 | fn is_free(&self) -> bool { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `key` [INFO] [stderr] --> src/loan_map.rs:135:8 [INFO] [stderr] | [INFO] [stderr] 135 | fn key(&self) -> Option<&K> { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `lookup_or_free` [INFO] [stderr] --> src/loan_map.rs:212:8 [INFO] [stderr] | [INFO] [stderr] 212 | fn lookup_or_free(&self, key: &K) -> RwLockWriteGuard> { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `remove` [INFO] [stderr] --> src/loan_map.rs:222:8 [INFO] [stderr] | [INFO] [stderr] 222 | fn remove(&self, key: K) -> Option { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `lookup_mut` [INFO] [stderr] --> src/loan_map.rs:233:8 [INFO] [stderr] | [INFO] [stderr] 233 | fn lookup_mut(&self, key: &K) -> RwLockWriteGuard> { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `upsert` [INFO] [stderr] --> src/loan_map.rs:319:12 [INFO] [stderr] | [INFO] [stderr] 319 | pub fn upsert(&self, key: K, f: F) -> Option [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `memcached` (bin "memcached" test) generated 14 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/memcached-c0b68c9329e930a3) [INFO] [stdout] [INFO] [stdout] running 17 tests [INFO] [stdout] test loan_map::tests::version_table_values_dont_interfere ... ok [INFO] [stdout] test tests::non_existent_key_is_none ... ok [INFO] [stdout] test tests::remove_test ... ok [INFO] [stdout] test loan_map::tests::insert_then_remove ... ok [INFO] [stdout] test tests::existing_key_returns_some_value ... ok [INFO] [stdout] test loan_map::tests::delete_value ... ok [INFO] [stdout] test loan_map::tests::insert_then_get ... ok [INFO] [stdout] test loan_map::tests::version_table_update_single_key ... ok [INFO] [stdout] test loan_map::tests::double_insert_updates_value ... ok [INFO] [stdout] test tests::bench_access_32_32 ... ok [INFO] [stdout] test loan_map::tests::get_inexistent_value ... ok [INFO] [stdout] test loan_map::tests::version_table_overflow_overwrites_old_values ... 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: ReadOnlyFilesystem, message: "Read-only file system" }', src/loan_map.rs:455:87 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55b493ab77b0 - std::backtrace_rs::backtrace::libunwind::trace::h99dbb39dca18857d [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stdout] 1: 0x55b493ab77b0 - std::backtrace_rs::backtrace::trace_unsynchronized::h832861927e9cfedf [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55b493ab77b0 - std::sys_common::backtrace::_print_fmt::h3d18154c77dcf310 [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x55b493ab77b0 - ::fmt::he312f4ad5b9bb346 [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x55b493ada0fc - core::fmt::write::h9a6d9c74526a6c1b [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/fmt/mod.rs:1115:17 [INFO] [stdout] 5: 0x55b493ab4575 - std::io::Write::write_fmt::h65d36b96410d80d7 [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/io/mod.rs:1665:15 [INFO] [stdout] 6: 0x55b493ab997b - std::sys_common::backtrace::_print::h65d996766de40da4 [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x55b493ab997b - std::sys_common::backtrace::print::h40df9727e635f303 [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x55b493ab997b - std::panicking::default_hook::{{closure}}::hd2da4327dea91a51 [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:208:50 [INFO] [stdout] 9: 0x55b493ab948c - std::panicking::default_hook::h3d55120ad6ada158 [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:222:9 [INFO] [stdout] 10: 0x55b493aba044 - std::panicking::rust_panic_with_hook::hf85dd0bb545e3b55 [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:622:17 [INFO] [stdout] 11: 0x55b493ab9b27 - std::panicking::begin_panic_handler::{{closure}}::h736ae969434da9fa [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:519:13 [INFO] [stdout] 12: 0x55b493ab7c8c - std::sys_common::backtrace::__rust_end_short_backtrace::h6133bb80b1d6c3e0 [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stdout] 13: 0x55b493ab9a89 - rust_begin_unwind [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:515:5 [INFO] [stdout] 14: 0x55b4939fb431 - core::panicking::panic_fmt::hcf5f6d96e1dd7099 [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/panicking.rs:92:14 [INFO] [stdout] 15: 0x55b4939fb523 - core::result::unwrap_failed::he898b02f57993c42 [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/result.rs:1599:5 [INFO] [stdout] 16: 0x55b493a30dbe - core::result::Result::unwrap::h5a909b9614fc500d [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/result.rs:1281:23 [INFO] [stdout] 17: 0x55b493a1bcf5 - memcached::loan_map::tests::concurrent_puts::h914d361f7e09c185 [INFO] [stdout] at /opt/rustwide/workdir/src/loan_map.rs:455:61 [INFO] [stdout] 18: 0x55b493a1bb3a - memcached::loan_map::tests::concurrent_puts::{{closure}}::hdbcbd8967e74e394 [INFO] [stdout] at /opt/rustwide/workdir/src/loan_map.rs:441:5 [INFO] [stdout] 19: 0x55b493a3b1ae - core::ops::function::FnOnce::call_once::h5fc6cce8d79087e5 [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 20: 0x55b493a74933 - core::ops::function::FnOnce::call_once::h227fa683a5745bd3 [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 21: 0x55b493a74933 - test::__rust_begin_short_backtrace::h3a193bd570ada00a [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/test/src/lib.rs:578:5 [INFO] [stdout] 22: 0x55b493a733a8 - as core::ops::function::FnOnce>::call_once::h262d2f411717179a [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/alloc/src/boxed.rs:1572:9 [INFO] [stdout] 23: 0x55b493a733a8 - as core::ops::function::FnOnce<()>>::call_once::hfec00caec3e52a7b [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panic.rs:347:9 [INFO] [stdout] 24: 0x55b493a733a8 - std::panicking::try::do_call::ha5f42e76ffda569d [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:401:40 [INFO] [stdout] 25: 0x55b493a733a8 - std::panicking::try::h53f36df0935b9500 [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:365:19 [INFO] [stdout] 26: 0x55b493a733a8 - std::panic::catch_unwind::h5a497f74b0ce006f [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panic.rs:434:14 [INFO] [stdout] 27: 0x55b493a733a8 - test::run_test_in_process::hab0aead337f48a88 [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/test/src/lib.rs:601:18 [INFO] [stdout] 28: 0x55b493a733a8 - test::run_test::run_test_inner::{{closure}}::h632c383164d4cba2 [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/test/src/lib.rs:493:39 [INFO] [stdout] 29: 0x55b493a4194d - test::run_test::run_test_inner::{{closure}}::h7c4b3612891a4b58 [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/test/src/lib.rs:520:37 [INFO] [stdout] 30: 0x55b493a4194d - std::sys_common::backtrace::__rust_begin_short_backtrace::habf7d8a08419d00e [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stdout] 31: 0x55b493a46078 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h3acba502e2068204 [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/thread/mod.rs:476:17 [INFO] [stdout] 32: 0x55b493a46078 - as core::ops::function::FnOnce<()>>::call_once::h526ef819c1964a35 [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panic.rs:347:9 [INFO] [stdout] 33: 0x55b493a46078 - std::panicking::try::do_call::hc0b5663d6373cec8 [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:401:40 [INFO] [stdout] 34: 0x55b493a46078 - std::panicking::try::ha9007ede9d35dcd6 [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:365:19 [INFO] [stdout] 35: 0x55b493a46078 - std::panic::catch_unwind::hf60d56329ebbb81c [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panic.rs:434:14 [INFO] [stdout] 36: 0x55b493a46078 - std::thread::Builder::spawn_unchecked::{{closure}}::hb1722d498f4ce777 [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/thread/mod.rs:475:30 [INFO] [stdout] 37: 0x55b493a46078 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h15eb01325730c962 [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 38: 0x55b493abec17 - as core::ops::function::FnOnce>::call_once::h09f167e08fc945ff [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/alloc/src/boxed.rs:1572:9 [INFO] [stdout] 39: 0x55b493abec17 - as core::ops::function::FnOnce>::call_once::hf814fe85eeb118e0 [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/alloc/src/boxed.rs:1572:9 [INFO] [stdout] 40: 0x55b493abec17 - std::sys::unix::thread::Thread::new::thread_start::hb71b17934c5f5e68 [INFO] [stdout] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys/unix/thread.rs:91:17 [INFO] [stdout] 41: 0x7f94b807c609 - start_thread [INFO] [stdout] 42: 0x7f94b7e4e293 - clone [INFO] [stdout] 43: 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; finished in 8.38s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--bin memcached' [INFO] running `Command { std: "docker" "inspect" "1ee60d6d35c90174633e6b9a86403809cef30317b74526b5b142cdbf22342131", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ee60d6d35c90174633e6b9a86403809cef30317b74526b5b142cdbf22342131", kill_on_drop: false }` [INFO] [stdout] 1ee60d6d35c90174633e6b9a86403809cef30317b74526b5b142cdbf22342131