[INFO] updating cached repository https://github.com/irvingwashington/leaky_bucket [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 46239661d6c1a941e1cd08f7b7b4ca93f8e89fd6 [INFO] testing irvingwashington/leaky_bucket against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Firvingwashington%2Fleaky_bucket" "/workspace/builds/worker-4/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/irvingwashington/leaky_bucket on toolchain 28742a1146f10a4f09369baad027a464acb7a766 [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/irvingwashington/leaky_bucket [INFO] finished tweaking git repo https://github.com/irvingwashington/leaky_bucket [INFO] tweaked toml for git repo https://github.com/irvingwashington/leaky_bucket written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/irvingwashington/leaky_bucket already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] c2f5c3423c4161b04ecf67f8c43ae12e68dcc2c8520e8e0a49f1dfe47b068752 [INFO] running `"docker" "start" "-a" "c2f5c3423c4161b04ecf67f8c43ae12e68dcc2c8520e8e0a49f1dfe47b068752"` [INFO] [stderr] Compiling serde v1.0.32 [INFO] [stderr] Compiling byteorder v1.2.1 [INFO] [stderr] Compiling proc-macro2 v0.2.3 [INFO] [stderr] Compiling quote v0.4.2 [INFO] [stderr] Compiling syn v0.12.14 [INFO] [stderr] Compiling serde_derive_internals v0.20.1 [INFO] [stderr] Compiling serde_derive v1.0.32 [INFO] [stderr] Compiling bincode v1.0.0 [INFO] [stderr] Compiling leaky_bucket v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:32:13 [INFO] [stderr] | [INFO] [stderr] 32 | let mut stream = stream_result.unwrap(); [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/hash_storage.rs:35:25 [INFO] [stderr] | [INFO] [stderr] 35 | let mut priority_elements = self.elements.get_mut(&priority).unwrap(); [INFO] [stderr] | ----^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 23.45s [INFO] running `"docker" "inspect" "c2f5c3423c4161b04ecf67f8c43ae12e68dcc2c8520e8e0a49f1dfe47b068752"` [INFO] running `"docker" "rm" "-f" "c2f5c3423c4161b04ecf67f8c43ae12e68dcc2c8520e8e0a49f1dfe47b068752"` [INFO] [stdout] c2f5c3423c4161b04ecf67f8c43ae12e68dcc2c8520e8e0a49f1dfe47b068752 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 9bdf32627b9db86db09e91917e47bdccc43b6ab9611d3c531fcda1056cdc29a2 [INFO] running `"docker" "start" "-a" "9bdf32627b9db86db09e91917e47bdccc43b6ab9611d3c531fcda1056cdc29a2"` [INFO] [stderr] Compiling leaky_bucket v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:32:13 [INFO] [stderr] | [INFO] [stderr] 32 | let mut stream = stream_result.unwrap(); [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/hash_storage.rs:35:25 [INFO] [stderr] | [INFO] [stderr] 35 | let mut priority_elements = self.elements.get_mut(&priority).unwrap(); [INFO] [stderr] | ----^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.63s [INFO] running `"docker" "inspect" "9bdf32627b9db86db09e91917e47bdccc43b6ab9611d3c531fcda1056cdc29a2"` [INFO] running `"docker" "rm" "-f" "9bdf32627b9db86db09e91917e47bdccc43b6ab9611d3c531fcda1056cdc29a2"` [INFO] [stdout] 9bdf32627b9db86db09e91917e47bdccc43b6ab9611d3c531fcda1056cdc29a2 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] 1072aea8f7e8d0a50d11d824eb3c5df46dd1aa06994891b4f3e14c57b81137bd [INFO] running `"docker" "start" "-a" "1072aea8f7e8d0a50d11d824eb3c5df46dd1aa06994891b4f3e14c57b81137bd"` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:32:13 [INFO] [stderr] | [INFO] [stderr] 32 | let mut stream = stream_result.unwrap(); [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/hash_storage.rs:35:25 [INFO] [stderr] | [INFO] [stderr] 35 | let mut priority_elements = self.elements.get_mut(&priority).unwrap(); [INFO] [stderr] | ----^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.13s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/leaky_bucket-067e5f59ec27155f [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test hash_storage::test::it_returns_correct_max_priority ... ok [INFO] [stdout] test hash_storage::test::it_works_for_a_single_element ... ok [INFO] [stdout] test hash_storage::test::it_works_for_2_elements ... ok [INFO] [stdout] test hash_storage::test::it_clears ... ok [INFO] [stdout] test hash_storage::test::it_preserves_order_for_the_same_priority ... ok [INFO] [stdout] test hash_storage::test::it_works_for_more_elements ... ok [INFO] [stdout] test hash_storage::test::it_works_for_no_elements ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "1072aea8f7e8d0a50d11d824eb3c5df46dd1aa06994891b4f3e14c57b81137bd"` [INFO] running `"docker" "rm" "-f" "1072aea8f7e8d0a50d11d824eb3c5df46dd1aa06994891b4f3e14c57b81137bd"` [INFO] [stdout] 1072aea8f7e8d0a50d11d824eb3c5df46dd1aa06994891b4f3e14c57b81137bd