[INFO] fetching crate cow_hashmap 0.1.13... [INFO] testing cow_hashmap-0.1.13 against 1.90.0 for beta-1.91-3 [INFO] extracting crate cow_hashmap 0.1.13 into /workspace/builds/worker-7-tc1/source [INFO] started tweaking crates.io crate cow_hashmap 0.1.13 [INFO] finished tweaking crates.io crate cow_hashmap 0.1.13 [INFO] tweaked toml for crates.io crate cow_hashmap 0.1.13 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate cow_hashmap 0.1.13 on toolchain 1.90.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 23 packages to latest compatible versions [INFO] [stderr] Adding rand v0.8.5 (available: v0.9.2) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded arc-swap-for-cow v1.7.1 [INFO] [stderr] Downloaded cow_hashbrown v0.14.21 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f3340e62e1a3402c0168ad8d42da6ca637cc5f6e26ff8f280ebf00b84de1c651 [INFO] running `Command { std: "docker" "start" "-a" "f3340e62e1a3402c0168ad8d42da6ca637cc5f6e26ff8f280ebf00b84de1c651", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f3340e62e1a3402c0168ad8d42da6ca637cc5f6e26ff8f280ebf00b84de1c651", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f3340e62e1a3402c0168ad8d42da6ca637cc5f6e26ff8f280ebf00b84de1c651", kill_on_drop: false }` [INFO] [stdout] f3340e62e1a3402c0168ad8d42da6ca637cc5f6e26ff8f280ebf00b84de1c651 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d591f99464bb23f120ce11730c3fde5440b3f48f943a5ba026d30095065d1edd [INFO] running `Command { std: "docker" "start" "-a" "d591f99464bb23f120ce11730c3fde5440b3f48f943a5ba026d30095065d1edd", kill_on_drop: false }` [INFO] [stderr] Compiling ahash v0.8.12 [INFO] [stderr] Compiling once_cell v1.21.3 [INFO] [stderr] Compiling arc-swap-for-cow v1.7.1 [INFO] [stderr] Compiling self_cell v1.2.0 [INFO] [stderr] Compiling allocator-api2 v0.2.21 [INFO] [stderr] Compiling cow_hashbrown v0.14.21 [INFO] [stderr] Compiling cow_hashmap v0.1.13 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.70s [INFO] running `Command { std: "docker" "inspect" "d591f99464bb23f120ce11730c3fde5440b3f48f943a5ba026d30095065d1edd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d591f99464bb23f120ce11730c3fde5440b3f48f943a5ba026d30095065d1edd", kill_on_drop: false }` [INFO] [stdout] d591f99464bb23f120ce11730c3fde5440b3f48f943a5ba026d30095065d1edd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 152432a9534a2f0848fc1683f4982c183746527e9e2751fc613ddc2e6c0a39c0 [INFO] running `Command { std: "docker" "start" "-a" "152432a9534a2f0848fc1683f4982c183746527e9e2751fc613ddc2e6c0a39c0", kill_on_drop: false }` [INFO] [stderr] Compiling getrandom v0.2.16 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling cow_hashmap v0.1.13 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 4.18s [INFO] running `Command { std: "docker" "inspect" "152432a9534a2f0848fc1683f4982c183746527e9e2751fc613ddc2e6c0a39c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "152432a9534a2f0848fc1683f4982c183746527e9e2751fc613ddc2e6c0a39c0", kill_on_drop: false }` [INFO] [stdout] 152432a9534a2f0848fc1683f4982c183746527e9e2751fc613ddc2e6c0a39c0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 0a351992e273dce43095935eb016f79422b32c15821b89bfc2ceeb8b2b210076 [INFO] running `Command { std: "docker" "start" "-a" "0a351992e273dce43095935eb016f79422b32c15821b89bfc2ceeb8b2b210076", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cow_hashmap-7fd19db20569aa5d) [INFO] [stdout] [INFO] [stdout] running 33 tests [INFO] [stdout] test tests::from_array ... ok [INFO] [stdout] test tests::test_clone ... ok [INFO] [stdout] test tests::test_conflict_remove ... ok [INFO] [stdout] test tests::test_empty_entry ... ok [INFO] [stdout] test tests::test_insert_conflicts ... ok [INFO] [stdout] test tests::test_from_iter ... ok [INFO] [stdout] test tests::test_into_keys ... ok [INFO] [stdout] test tests::test_insert ... ok [INFO] [stdout] test tests::test_eq ... ok [INFO] [stdout] test tests::test_iterate ... ok [INFO] [stdout] test tests::test_keys ... ok [INFO] [stdout] test tests::test_insert_overwrite ... ok [INFO] [stdout] test tests::test_entry ... ok [INFO] [stdout] test tests::test_find ... ok [INFO] [stdout] test tests::test_is_empty ... ok [INFO] [stdout] test tests::test_into_values ... ok [INFO] [stdout] test tests::test_iter_len ... ok [INFO] [stdout] test tests::test_empty_iter ... ok [INFO] [stdout] test tests::test_empty_remove ... ok [INFO] [stdout] test tests::test_iter_mut_len ... ok [INFO] [stdout] test tests::test_find_mut ... ok [INFO] [stdout] test tests::test_values ... ok [INFO] [stdout] test tests::test_values_mut ... ok [INFO] [stdout] test tests::test_remove_entry ... ok [INFO] [stdout] test tests::test_show ... ok [INFO] [stdout] test tests::test_vacant_entry_key ... ok [INFO] [stdout] test tests::test_retain ... ok [INFO] [stdout] test tests::test_into_iter_drops ... ok [INFO] [stdout] test tests::test_drops ... ok [INFO] [stdout] test tests::test_remove ... ok [INFO] [stdout] test tests::test_occupied_entry_key ... ok [INFO] [stdout] test tests::test_lots_of_insertions has been running for over 60 seconds [INFO] [stdout] test tests::test_millions_of_inserts_and_removes has been running for over 60 seconds [INFO] [stdout] test tests::test_millions_of_inserts_and_removes ... ok [INFO] [stdout] test tests::test_lots_of_insertions ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 33 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 116.87s [INFO] [stdout] [INFO] [stderr] Doc-tests cow_hashmap [INFO] [stdout] [INFO] [stdout] running 79 tests [INFO] [stdout] test src/lib.rs - CowHashMap (line 181) ... FAILED [INFO] [stdout] test src/lib.rs - CowHashMap::new (line 260) ... ok [INFO] [stdout] test src/lib.rs - CowHashMap::hasher (line 696) ... ok [INFO] [stdout] test src/lib.rs - CowHashMap::get_key_value (line 872) ... ok [INFO] [stdout] test src/lib.rs - CowHashMap::clear (line 679) ... ok [INFO] [stdout] test src/lib.rs - CowHashMap::insert (line 962) ... ok [INFO] [stdout] test src/lib.rs - CowHashMap::entry_or_lock (line 810) ... ok [INFO] [stdout] test src/lib.rs - CowHashMap (line 110) ... ok [INFO] [stdout] test src/lib.rs - CowHashMap::get (line 846) ... ok [INFO] [stdout] test src/lib.rs - CowHashMap::from (line 1244) ... ok [INFO] [stdout] test src/lib.rs - CowHashMap::drain (line 579) ... ok [INFO] [stdout] test src/lib.rs - CowHashMap::entry (line 773) ... ok [INFO] [stdout] test src/lib.rs - CowHashMap (line 218) ... ok [INFO] [stdout] test src/lib.rs - CowHashMap::insert_mut (line 994) ... ok [INFO] [stdout] test src/lib.rs - CowHashMap::contains_key (line 898) ... ok [INFO] [stdout] test src/lib.rs - CowHashMap (line 166) ... ok [INFO] [stdout] test src/lib.rs - CowHashMap::into_iter (line 1687) ... ok [INFO] [stdout] test src/lib.rs - CowHashMap::into_keys (line 336) ... ok [INFO] [stdout] test src/lib.rs - CowHashMap::get_mut (line 927) ... ok [INFO] [stdout] test src/lib.rs - CowHashMap::into_values (line 432) ... ok [INFO] [stdout] test src/lib.rs - CowHashMap::is_empty (line 554) ... ok [INFO] [stdout] test src/lib.rs - CowHashMap::iter (line 468) ... ok [INFO] [stdout] test src/lib.rs - CowHashMap::keys (line 308) ... ok [INFO] [stdout] test src/lib.rs - CowHashMap::remove_entry (line 1133) ... ok [INFO] [stdout] test src/lib.rs - CowHashMap::iter_mut (line 500) ... ok [INFO] [stdout] test src/lib.rs - CowHashMap::try_insert (line 1024) ... ok [INFO] [stdout] test src/lib.rs - CowHashMap::try_insert_mut (line 1059) ... ok [INFO] [stdout] test src/lib.rs - Entry::or_insert_mut (line 2159) ... FAILED [INFO] [stdout] test src/lib.rs - Entry::or_insert (line 2130) ... FAILED [INFO] [stdout] test src/lib.rs - CowHashMap::retain_mut (line 646) ... ok [INFO] [stdout] test src/lib.rs - CowHashMap::len (line 535) ... ok [INFO] [stdout] test src/lib.rs - CowHashMap::remove (line 1098) ... ok [INFO] [stdout] test src/lib.rs - CowHashMap::values_mut (line 398) ... ok [INFO] [stdout] test src/lib.rs - Entry::key (line 2373) ... ok [INFO] [stdout] test src/lib.rs - CowHashMap::values (line 371) ... ok [INFO] [stdout] test src/lib.rs - Entry::and_modify (line 2409) ... ok [INFO] [stdout] test src/lib.rs - CowHashMap::retain (line 611) ... ok [INFO] [stdout] test src/lib.rs - Entry::or_default_mut (line 2751) ... ok [INFO] [stdout] test src/lib.rs - CowHashMap::with_hasher (line 287) ... ok [INFO] [stdout] test src/lib.rs - Entry::or_default (line 2723) ... ok [INFO] [stdout] test src/lib.rs - Drain (line 1447) ... ok [INFO] [stdout] test src/lib.rs - Entry::or_insert_with_mut (line 2217) ... ok [INFO] [stdout] test src/lib.rs - Entry::or_insert_with (line 2189) ... ok [INFO] [stdout] test src/lib.rs - Entry::or_insert_with_key (line 2309) ... ok [INFO] [stdout] test src/lib.rs - LockableEntry<'_,K,V,S>::or_insert (line 2446) ... FAILED [INFO] [stdout] test src/lib.rs - Entry::or_try_insert_with (line 2247) ... ok [INFO] [stdout] test src/lib.rs - Entry::or_insert_with_key_mut (line 2343) ... ok [INFO] [stdout] test src/lib.rs - IntoIter (line 1340) ... ok [INFO] [stdout] test src/lib.rs - LockableEntry<'_,K,V,S>::or_insert_mut (line 2472) ... FAILED [INFO] [stdout] test src/lib.rs - LockableEntry<'_,K,V,S>::or_default (line 2782) ... ok [INFO] [stdout] test src/lib.rs - LockableEntry<'_,K,V,S>::key (line 2659) ... ok [INFO] [stdout] test src/lib.rs - Keys (line 1375) ... ok [INFO] [stdout] test src/lib.rs - Entry::or_try_insert_with_mut (line 2276) ... ok [INFO] [stdout] test src/lib.rs - IntoKeys (line 1503) ... ok [INFO] [stdout] test src/lib.rs - Iter (line 1265) ... ok [INFO] [stdout] test src/lib.rs - IterMut (line 1305) ... ok [INFO] [stdout] test src/lib.rs - LockableEntry<'_,K,V,S>::or_insert_with_key (line 2607) ... ok [INFO] [stdout] test src/lib.rs - IntoValues (line 1524) ... ok [INFO] [stdout] test src/lib.rs - LockableEntry<'_,K,V,S>::and_modify (line 2692) ... ok [INFO] [stdout] test src/lib.rs - LockableEntry<'_,K,V,S>::or_insert_with (line 2499) ... ok [INFO] [stdout] test src/lib.rs - OccupiedEntry::insert (line 2968) ... ok [INFO] [stdout] test src/lib.rs - LockableEntry<'_,K,V,S>::or_insert_with_key_mut (line 2635) ... ok [INFO] [stdout] test src/lib.rs - LockableEntry<'_,K,V,S>::or_default_mut (line 2807) ... ok [INFO] [stdout] test src/lib.rs - OccupiedEntry::replace_key (line 3035) ... ok [INFO] [stdout] test src/lib.rs - LockableEntry<'_,K,V,S>::or_insert_with_mut (line 2524) ... ok [INFO] [stdout] test src/lib.rs - LockableEntry<'_,K,V,S>::or_try_insert_with_mut (line 2577) ... ok [INFO] [stdout] test src/lib.rs - OccupiedEntry::get_mut (line 2904) ... ok [INFO] [stdout] test src/lib.rs - OccupiedEntry::get (line 2877) ... ok [INFO] [stdout] test src/lib.rs - LockableEntry<'_,K,V,S>::or_try_insert_with (line 2551) ... ok [INFO] [stdout] test src/lib.rs - OccupiedEntry::key (line 2834) ... ok [INFO] [stdout] test src/lib.rs - VacantEntry::insert (line 3083) ... ok [INFO] [stdout] test src/lib.rs - VacantEntry::insert_mut (line 3109) ... ok [INFO] [stdout] test src/lib.rs - Values (line 1411) ... ok [INFO] [stdout] test src/lib.rs - OccupiedEntry::remove_entry (line 2850) ... ok [INFO] [stdout] test src/lib.rs - OccupiedEntry::remove (line 2991) ... ok [INFO] [stdout] test src/lib.rs - OccupiedEntry::into_mut (line 2940) ... ok [INFO] [stdout] test src/lib.rs - ValuesMut (line 1482) ... ok [INFO] [stdout] test src/lib.rs - VacantEntry::into_key (line 3063) ... ok [INFO] [stdout] test src/lib.rs - VacantEntry::key (line 3048) ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - CowHashMap (line 181) stdout ---- [INFO] [stdout] error[E0594]: cannot assign to data in an `Arc` [INFO] [stdout] --> src/lib.rs:204:1 [INFO] [stdout] | [INFO] [stdout] 26 | *stat += random_stat_buff(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot assign [INFO] [stdout] | [INFO] [stdout] = help: trait `DerefMut` is required to modify through a dereference, but it is not implemented for `Arc` [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0594`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/lib.rs - Entry::or_insert_mut (line 2159) stdout ---- [INFO] [stdout] error[E0594]: cannot assign to data in an `Arc` [INFO] [stdout] --> src/lib.rs:2169:1 [INFO] [stdout] | [INFO] [stdout] 13 | *map.entry("poneyland").or_insert(10) *= 2; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot assign [INFO] [stdout] | [INFO] [stdout] = help: trait `DerefMut` is required to modify through a dereference, but it is not implemented for `Arc` [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0594`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/lib.rs - Entry::or_insert (line 2130) stdout ---- [INFO] [stdout] error[E0594]: cannot assign to data in an `Arc` [INFO] [stdout] --> src/lib.rs:2140:1 [INFO] [stdout] | [INFO] [stdout] 13 | *map.entry("poneyland").or_insert(10) *= 2; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot assign [INFO] [stdout] | [INFO] [stdout] = help: trait `DerefMut` is required to modify through a dereference, but it is not implemented for `Arc` [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0594`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/lib.rs - LockableEntry<'_,K,V,S>::or_insert (line 2446) stdout ---- [INFO] [stdout] error[E0594]: cannot assign to data in an `Arc` [INFO] [stdout] --> src/lib.rs:2456:1 [INFO] [stdout] | [INFO] [stdout] 13 | *map.entry("poneyland").or_insert(10) *= 2; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot assign [INFO] [stdout] | [INFO] [stdout] = help: trait `DerefMut` is required to modify through a dereference, but it is not implemented for `Arc` [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0594`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/lib.rs - LockableEntry<'_,K,V,S>::or_insert_mut (line 2472) stdout ---- [INFO] [stdout] error[E0594]: cannot assign to data in an `Arc` [INFO] [stdout] --> src/lib.rs:2482:1 [INFO] [stdout] | [INFO] [stdout] 13 | *map.entry("poneyland").or_insert(10) *= 2; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot assign [INFO] [stdout] | [INFO] [stdout] = help: trait `DerefMut` is required to modify through a dereference, but it is not implemented for `Arc` [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0594`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - CowHashMap (line 181) [INFO] [stdout] src/lib.rs - Entry::or_insert (line 2130) [INFO] [stdout] src/lib.rs - Entry::or_insert_mut (line 2159) [INFO] [stdout] src/lib.rs - LockableEntry<'_,K,V,S>::or_insert (line 2446) [INFO] [stdout] src/lib.rs - LockableEntry<'_,K,V,S>::or_insert_mut (line 2472) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 74 passed; 5 failed; 0 ignored; 0 measured; 0 filtered out; finished in 17.24s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "0a351992e273dce43095935eb016f79422b32c15821b89bfc2ceeb8b2b210076", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a351992e273dce43095935eb016f79422b32c15821b89bfc2ceeb8b2b210076", kill_on_drop: false }` [INFO] [stdout] 0a351992e273dce43095935eb016f79422b32c15821b89bfc2ceeb8b2b210076