[INFO] cloning repository https://github.com/jknagin/top_k_frequent_elements [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jknagin/top_k_frequent_elements" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjknagin%2Ftop_k_frequent_elements", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjknagin%2Ftop_k_frequent_elements'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c72e8c44cfb3b1d473de081bb35dad8c85e8d713 [INFO] testing jknagin/top_k_frequent_elements against 1.98.0-beta.8+cargoflags=--release for beta-release-1.99-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjknagin%2Ftop_k_frequent_elements" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/jknagin/top_k_frequent_elements [INFO] finished tweaking git repo https://github.com/jknagin/top_k_frequent_elements [INFO] tweaked toml for git repo https://github.com/jknagin/top_k_frequent_elements written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/jknagin/top_k_frequent_elements on toolchain 1.98.0-beta.8 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/jknagin/top_k_frequent_elements already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }` [INFO] [stdout] 89c8072a721c8f62d4af17b3ee9eebdc94b7ee281062e4023531de4241ea8bed [INFO] running `Command { std: "docker" "start" "89c8072a721c8f62d4af17b3ee9eebdc94b7ee281062e4023531de4241ea8bed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "89c8072a721c8f62d4af17b3ee9eebdc94b7ee281062e4023531de4241ea8bed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "89c8072a721c8f62d4af17b3ee9eebdc94b7ee281062e4023531de4241ea8bed" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "89c8072a721c8f62d4af17b3ee9eebdc94b7ee281062e4023531de4241ea8bed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "89c8072a721c8f62d4af17b3ee9eebdc94b7ee281062e4023531de4241ea8bed" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }` [INFO] [stderr] Compiling top_k_frequent_elements v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:6:44 [INFO] [stdout] | [INFO] [stdout] 6 | fn get_frequency_count(data: &[T]) -> FrequencyCount { [INFO] [stdout] | ^^^^ ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 6 | fn get_frequency_count(data: &[T]) -> FrequencyCount<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `release` profile [optimized] target(s) in 0.16s [INFO] running `Command { std: "docker" "inspect" "89c8072a721c8f62d4af17b3ee9eebdc94b7ee281062e4023531de4241ea8bed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "89c8072a721c8f62d4af17b3ee9eebdc94b7ee281062e4023531de4241ea8bed" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }` [INFO] [stderr] Compiling top_k_frequent_elements v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:6:44 [INFO] [stdout] | [INFO] [stdout] 6 | fn get_frequency_count(data: &[T]) -> FrequencyCount { [INFO] [stdout] | ^^^^ ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 6 | fn get_frequency_count(data: &[T]) -> FrequencyCount<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:6:44 [INFO] [stdout] | [INFO] [stdout] 6 | fn get_frequency_count(data: &[T]) -> FrequencyCount { [INFO] [stdout] | ^^^^ ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 6 | fn get_frequency_count(data: &[T]) -> FrequencyCount<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `release` profile [optimized] target(s) in 0.67s [INFO] running `Command { std: "docker" "inspect" "89c8072a721c8f62d4af17b3ee9eebdc94b7ee281062e4023531de4241ea8bed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "89c8072a721c8f62d4af17b3ee9eebdc94b7ee281062e4023531de4241ea8bed" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:6:44 [INFO] [stderr] | [INFO] [stderr] 6 | fn get_frequency_count(data: &[T]) -> FrequencyCount { [INFO] [stderr] | ^^^^ ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 6 | fn get_frequency_count(data: &[T]) -> FrequencyCount<'_, T> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `top_k_frequent_elements` (lib) generated 1 warning (run `cargo fix --lib -p top_k_frequent_elements` to apply 1 suggestion) [INFO] [stderr] warning: `top_k_frequent_elements` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `release` profile [optimized] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/release/deps/top_k_frequent_elements-1c031fc737e3209d) [INFO] [stderr] Doc-tests top_k_frequent_elements [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test tests::test_k_equals_n ... ok [INFO] [stdout] test tests::test_123 ... ok [INFO] [stdout] test tests::test_k_greater_than_n ... ok [INFO] [stdout] test tests::test_not_all_elements_are_in_top_k_most_frequent ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "89c8072a721c8f62d4af17b3ee9eebdc94b7ee281062e4023531de4241ea8bed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "89c8072a721c8f62d4af17b3ee9eebdc94b7ee281062e4023531de4241ea8bed", kill_on_drop: false }` [INFO] [stdout] 89c8072a721c8f62d4af17b3ee9eebdc94b7ee281062e4023531de4241ea8bed