[INFO] crate tinysearch-cuckoofilter 0.4.1 is already in cache
[INFO] testing tinysearch-cuckoofilter-0.4.1 against 1.44.0 for beta-1.45-1
[INFO] extracting crate tinysearch-cuckoofilter 0.4.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate tinysearch-cuckoofilter 0.4.1 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate tinysearch-cuckoofilter 0.4.1
[INFO] finished tweaking crates.io crate tinysearch-cuckoofilter 0.4.1
[INFO] tweaked toml for crates.io crate tinysearch-cuckoofilter 0.4.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stdout] 29ac309b56e6faff58b633c534979663c5d32e7f63230ca6ef1912fb3e9cc3c6
[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" "29ac309b56e6faff58b633c534979663c5d32e7f63230ca6ef1912fb3e9cc3c6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling tinysearch-cuckoofilter v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]   --> src/bucket.rs:90:34
[INFO] [stderr]    |
[INFO] [stderr] 90 |             .flat_map(|f| f.data.into_iter())
[INFO] [stderr]    |                                  ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `"docker" "inspect" "29ac309b56e6faff58b633c534979663c5d32e7f63230ca6ef1912fb3e9cc3c6"`
[INFO] running `"docker" "rm" "-f" "29ac309b56e6faff58b633c534979663c5d32e7f63230ca6ef1912fb3e9cc3c6"`
[INFO] [stdout] 29ac309b56e6faff58b633c534979663c5d32e7f63230ca6ef1912fb3e9cc3c6
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6a8b1f347baf78ff7da0d406731ae1f3902da2c1fdb16019548f20d31d1f52a6
[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" "6a8b1f347baf78ff7da0d406731ae1f3902da2c1fdb16019548f20d31d1f52a6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling tinysearch-cuckoofilter v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]   --> src/bucket.rs:90:34
[INFO] [stderr]    |
[INFO] [stderr] 90 |             .flat_map(|f| f.data.into_iter())
[INFO] [stderr]    |                                  ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]   --> src/bucket.rs:90:34
[INFO] [stderr]    |
[INFO] [stderr] 90 |             .flat_map(|f| f.data.into_iter())
[INFO] [stderr]    |                                  ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.55s
[INFO] running `"docker" "inspect" "6a8b1f347baf78ff7da0d406731ae1f3902da2c1fdb16019548f20d31d1f52a6"`
[INFO] running `"docker" "rm" "-f" "6a8b1f347baf78ff7da0d406731ae1f3902da2c1fdb16019548f20d31d1f52a6"`
[INFO] [stdout] 6a8b1f347baf78ff7da0d406731ae1f3902da2c1fdb16019548f20d31d1f52a6
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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" "+1.44.0" "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] f351e9d65fed5487984f9c8f0a3a83d5ce405b4d3090721648740d12619df067
[INFO] running `"docker" "start" "-a" "f351e9d65fed5487984f9c8f0a3a83d5ce405b4d3090721648740d12619df067"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]   --> src/bucket.rs:90:34
[INFO] [stderr]    |
[INFO] [stderr] 90 |             .flat_map(|f| f.data.into_iter())
[INFO] [stderr]    |                                  ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]   --> src/bucket.rs:90:34
[INFO] [stderr]    |
[INFO] [stderr] 90 |             .flat_map(|f| f.data.into_iter())
[INFO] [stderr]    |                                  ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tinysearch_cuckoofilter-a6cdf9b4d7e3680a
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/false_positive_rate-f56e77f4474a60fa
[INFO] [stdout] test util::test_fp_and_index ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test false_positive_rate ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/interop-f94c8c511fc0fa18
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test serialization ... ok
[INFO] [stderr]    Doc-tests tinysearch-cuckoofilter
[INFO] [stdout] test interoperability ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs -  (line 15) ... ok
[INFO] [stdout] test src/lib.rs - CuckooFilter (line 75) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "f351e9d65fed5487984f9c8f0a3a83d5ce405b4d3090721648740d12619df067"`
[INFO] running `"docker" "rm" "-f" "f351e9d65fed5487984f9c8f0a3a83d5ce405b4d3090721648740d12619df067"`
[INFO] [stdout] f351e9d65fed5487984f9c8f0a3a83d5ce405b4d3090721648740d12619df067