[INFO] fetching crate tinysearch-cuckoofilter 0.4.1... [INFO] testing tinysearch-cuckoofilter-0.4.1 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2 [INFO] extracting crate tinysearch-cuckoofilter 0.4.1 into /workspace/builds/worker-7-tc2/source [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-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate tinysearch-cuckoofilter 0.4.1 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 46 packages to latest compatible versions [INFO] [stderr] Adding clippy v0.0.77 (available: v0.0.302) [INFO] [stderr] Adding rand v0.6.5 (available: v0.10.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] abbac51c73d319909e99dc12bf184685186fc9a299f737f7e581f740d5177cb0 [INFO] running `Command { std: "docker" "start" "-a" "abbac51c73d319909e99dc12bf184685186fc9a299f737f7e581f740d5177cb0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "abbac51c73d319909e99dc12bf184685186fc9a299f737f7e581f740d5177cb0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "abbac51c73d319909e99dc12bf184685186fc9a299f737f7e581f740d5177cb0", kill_on_drop: false }` [INFO] [stdout] abbac51c73d319909e99dc12bf184685186fc9a299f737f7e581f740d5177cb0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 73a1721bc3118f432f26823548913c0494db6ad4f0feb4224619a8891a159764 [INFO] running `Command { std: "docker" "start" "-a" "73a1721bc3118f432f26823548913c0494db6ad4f0feb4224619a8891a159764", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.8 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling proc-macro2 v1.0.106 [INFO] [stderr] Compiling quote v1.0.45 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling syn v2.0.117 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling tinysearch-cuckoofilter v0.4.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 [INFO] [stdout] --> src/bucket.rs:90:34 [INFO] [stdout] | [INFO] [stdout] 90 | .flat_map(|f| f.data.into_iter()) [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 90 - .flat_map(|f| f.data.into_iter()) [INFO] [stdout] 90 + .flat_map(|f| f.data.iter()) [INFO] [stdout] | [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 90 - .flat_map(|f| f.data.into_iter()) [INFO] [stdout] 90 + .flat_map(|f| IntoIterator::into_iter(f.data)) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.10s [INFO] running `Command { std: "docker" "inspect" "73a1721bc3118f432f26823548913c0494db6ad4f0feb4224619a8891a159764", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "73a1721bc3118f432f26823548913c0494db6ad4f0feb4224619a8891a159764", kill_on_drop: false }` [INFO] [stdout] 73a1721bc3118f432f26823548913c0494db6ad4f0feb4224619a8891a159764 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 31304943a4670a3640eaee59b47f3f170cac4e7ec9661da740ee29d4d7ecebb6 [INFO] running `Command { std: "docker" "start" "-a" "31304943a4670a3640eaee59b47f3f170cac4e7ec9661da740ee29d4d7ecebb6", kill_on_drop: false }` [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 [INFO] [stdout] --> src/bucket.rs:90:34 [INFO] [stdout] | [INFO] [stdout] 90 | .flat_map(|f| f.data.into_iter()) [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 90 - .flat_map(|f| f.data.into_iter()) [INFO] [stdout] 90 + .flat_map(|f| f.data.iter()) [INFO] [stdout] | [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 90 - .flat_map(|f| f.data.into_iter()) [INFO] [stdout] 90 + .flat_map(|f| IntoIterator::into_iter(f.data)) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling tinysearch-cuckoofilter v0.4.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 [INFO] [stdout] --> src/bucket.rs:90:34 [INFO] [stdout] | [INFO] [stdout] 90 | .flat_map(|f| f.data.into_iter()) [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 90 - .flat_map(|f| f.data.into_iter()) [INFO] [stdout] 90 + .flat_map(|f| f.data.iter()) [INFO] [stdout] | [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 90 - .flat_map(|f| f.data.into_iter()) [INFO] [stdout] 90 + .flat_map(|f| IntoIterator::into_iter(f.data)) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.02s [INFO] running `Command { std: "docker" "inspect" "31304943a4670a3640eaee59b47f3f170cac4e7ec9661da740ee29d4d7ecebb6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "31304943a4670a3640eaee59b47f3f170cac4e7ec9661da740ee29d4d7ecebb6", kill_on_drop: false }` [INFO] [stdout] 31304943a4670a3640eaee59b47f3f170cac4e7ec9661da740ee29d4d7ecebb6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 6b20a2aa35ac8dc295a1f1e475373c49fe61f0df7d58ce5de8253618a8efb2e2 [INFO] running `Command { std: "docker" "start" "-a" "6b20a2aa35ac8dc295a1f1e475373c49fe61f0df7d58ce5de8253618a8efb2e2", kill_on_drop: false }` [INFO] [stderr] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 [INFO] [stderr] --> src/bucket.rs:90:34 [INFO] [stderr] | [INFO] [stderr] 90 | .flat_map(|f| f.data.into_iter()) [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this changes meaning in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stderr] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stderr] | [INFO] [stderr] 90 - .flat_map(|f| f.data.into_iter()) [INFO] [stderr] 90 + .flat_map(|f| f.data.iter()) [INFO] [stderr] | [INFO] [stderr] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stderr] | [INFO] [stderr] 90 - .flat_map(|f| f.data.into_iter()) [INFO] [stderr] 90 + .flat_map(|f| IntoIterator::into_iter(f.data)) [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `tinysearch-cuckoofilter` (lib) generated 1 warning (run `cargo fix --lib -p tinysearch-cuckoofilter` to apply 1 suggestion) [INFO] [stderr] warning: `tinysearch-cuckoofilter` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tinysearch_cuckoofilter-ead10e0881ec6c06) [INFO] [stdout] [INFO] [stdout] running 1 test [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; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/false_positive_rate.rs (/opt/rustwide/target/debug/deps/false_positive_rate-0f34436c86648268) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test false_positive_rate ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.28s [INFO] [stdout] [INFO] [stderr] Running tests/interop.rs (/opt/rustwide/target/debug/deps/interop-fa4d56bf3d19fc43) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test serialization ... ok [INFO] [stdout] test interoperability ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 6.88s [INFO] [stdout] [INFO] [stderr] Doc-tests tinysearch_cuckoofilter [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; finished in 0.73s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "6b20a2aa35ac8dc295a1f1e475373c49fe61f0df7d58ce5de8253618a8efb2e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6b20a2aa35ac8dc295a1f1e475373c49fe61f0df7d58ce5de8253618a8efb2e2", kill_on_drop: false }` [INFO] [stdout] 6b20a2aa35ac8dc295a1f1e475373c49fe61f0df7d58ce5de8253618a8efb2e2