[INFO] crate lru2 0.1.0 is already in cache [INFO] testing lru2-0.1.0 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274 [INFO] extracting crate lru2 0.1.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate lru2 0.1.0 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16 [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate lru2 0.1.0 [INFO] finished tweaking crates.io crate lru2 0.1.0 [INFO] tweaked toml for crates.io crate lru2 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] f417a9075d96a6d9c956076da2ff623476ce5a2306db21830488baa625cf0db3 [INFO] running `"docker" "start" "-a" "f417a9075d96a6d9c956076da2ff623476ce5a2306db21830488baa625cf0db3"` [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling rand v0.3.23 [INFO] [stderr] Compiling lru2 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/cache/mod.rs:50:21 [INFO] [stderr] | [INFO] [stderr] 50 | let mut cache: &mut Register = unsafe{ &mut **pcache }; [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/cache/mod.rs:57:13 [INFO] [stderr] | [INFO] [stderr] 57 | let mut cache: &mut Register = unsafe{ &mut **self.register.get(upper_key).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 2.44s [INFO] running `"docker" "inspect" "f417a9075d96a6d9c956076da2ff623476ce5a2306db21830488baa625cf0db3"` [INFO] running `"docker" "rm" "-f" "f417a9075d96a6d9c956076da2ff623476ce5a2306db21830488baa625cf0db3"` [INFO] [stdout] f417a9075d96a6d9c956076da2ff623476ce5a2306db21830488baa625cf0db3 [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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] 535bbcd73678a5d7263c618106ab21dbd0b60d4b05102b3c651140e9ee9f6744 [INFO] running `"docker" "start" "-a" "535bbcd73678a5d7263c618106ab21dbd0b60d4b05102b3c651140e9ee9f6744"` [INFO] [stderr] Compiling lru2 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/cache/mod.rs:50:21 [INFO] [stderr] | [INFO] [stderr] 50 | let mut cache: &mut Register = unsafe{ &mut **pcache }; [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/cache/mod.rs:57:13 [INFO] [stderr] | [INFO] [stderr] 57 | let mut cache: &mut Register = unsafe{ &mut **self.register.get(upper_key).unwrap() }; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/cache/mod.rs:50:21 [INFO] [stderr] | [INFO] [stderr] 50 | let mut cache: &mut Register = unsafe{ &mut **pcache }; [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/cache/mod.rs:57:13 [INFO] [stderr] | [INFO] [stderr] 57 | let mut cache: &mut Register = unsafe{ &mut **self.register.get(upper_key).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 0.93s [INFO] running `"docker" "inspect" "535bbcd73678a5d7263c618106ab21dbd0b60d4b05102b3c651140e9ee9f6744"` [INFO] running `"docker" "rm" "-f" "535bbcd73678a5d7263c618106ab21dbd0b60d4b05102b3c651140e9ee9f6744"` [INFO] [stdout] 535bbcd73678a5d7263c618106ab21dbd0b60d4b05102b3c651140e9ee9f6744 [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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] ecca871f56f73b5c198719748b91761cc7b393f742fe21cf50a9eec846c86bde [INFO] running `"docker" "start" "-a" "ecca871f56f73b5c198719748b91761cc7b393f742fe21cf50a9eec846c86bde"` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/cache/mod.rs:50:21 [INFO] [stderr] | [INFO] [stderr] 50 | let mut cache: &mut Register = unsafe{ &mut **pcache }; [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/cache/mod.rs:57:13 [INFO] [stderr] | [INFO] [stderr] 57 | let mut cache: &mut Register = unsafe{ &mut **self.register.get(upper_key).unwrap() }; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/cache/mod.rs:50:21 [INFO] [stderr] | [INFO] [stderr] 50 | let mut cache: &mut Register = unsafe{ &mut **pcache }; [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/cache/mod.rs:57:13 [INFO] [stderr] | [INFO] [stderr] 57 | let mut cache: &mut Register = unsafe{ &mut **self.register.get(upper_key).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 0.10s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/lru2-a4bb508ec9b92448 [INFO] [stdout] [INFO] [stdout] running 28 tests [INFO] [stdout] test cache::bench::has_empty ... ok [INFO] [stdout] test cache::bench::best_cache_hit ... ok [INFO] [stdout] test cache::initialize_registers ... ok [INFO] [stdout] test cache::test::get_empty ... ok [INFO] [stdout] test cache::bench::random_u32 ... ok [INFO] [stdout] test cache::bench::random_u32_constrained_to_500 ... ok [INFO] [stdout] test cache::test::has_empty ... ok [INFO] [stdout] test cache::test::get_one ... ok [INFO] [stdout] test cache::test::has_one ... ok [INFO] [stdout] test cache::bench::random_u32_constrained_to_50 ... ok [INFO] [stdout] test cache::bench::random_u32_constrained_to_400 ... ok [INFO] [stdout] test cache::test::set_again ... ok [INFO] [stdout] test register::initialize_100 ... ok [INFO] [stdout] test cache::test::integration ... ok [INFO] [stdout] test register::initialize_2 ... ok [INFO] [stdout] test cache::test::set_one ... ok [INFO] [stdout] test register::test::get_empty ... ok [INFO] [stdout] test register::test::get_many ... ok [INFO] [stdout] test register::test::set_again ... ok [INFO] [stdout] test register::test::reset ... ok [INFO] [stdout] test register::test::set_many ... ok [INFO] [stdout] test register::test::get_one ... ok [INFO] [stdout] test register::test::set_one ... ok [INFO] [stdout] test register::initialize_with_0 ... ok [INFO] [stdout] test register::initialize_with_1 ... ok [INFO] [stdout] test cache::bench::random_u32_constrained_to_50_get ... ok [INFO] [stdout] test cache::bench::random_u32_constrained_to_500_get ... ok [INFO] [stderr] Doc-tests lru2 [INFO] [stdout] test cache::bench::random_u32_constrained_to_400_get ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 28 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [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 [INFO] [stdout] [INFO] running `"docker" "inspect" "ecca871f56f73b5c198719748b91761cc7b393f742fe21cf50a9eec846c86bde"` [INFO] running `"docker" "rm" "-f" "ecca871f56f73b5c198719748b91761cc7b393f742fe21cf50a9eec846c86bde"` [INFO] [stdout] ecca871f56f73b5c198719748b91761cc7b393f742fe21cf50a9eec846c86bde