[INFO] fetching crate lru2 0.1.0... [INFO] extracting crate lru2 0.1.0 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/lru2/0.1.0 [INFO] extracting crate lru2 0.1.0 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/lru2/0.1.0 [INFO] validating manifest of lru2-0.1.0 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of lru2-0.1.0 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing lru2-0.1.0 [INFO] finished frobbing lru2-0.1.0 [INFO] frobbed toml for lru2-0.1.0 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/lru2/0.1.0/Cargo.toml [INFO] started frobbing lru2-0.1.0 [INFO] finished frobbing lru2-0.1.0 [INFO] frobbed toml for lru2-0.1.0 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/lru2/0.1.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing lru2-0.1.0 against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/lru2/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"` [INFO] [stdout] abc7a1f09e608e69d987f0cda31d3e3c701b03499214f7ab944e9ad3774aa96f [INFO] running `"docker" "start" "-a" "abc7a1f09e608e69d987f0cda31d3e3c701b03499214f7ab944e9ad3774aa96f"` [INFO] [stderr] Compiling lru2 v0.1.0 (/opt/crater/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] Finished dev [unoptimized + debuginfo] target(s) in 0.39s [INFO] running `"docker" "inspect" "abc7a1f09e608e69d987f0cda31d3e3c701b03499214f7ab944e9ad3774aa96f"` [INFO] running `"docker" "rm" "-f" "abc7a1f09e608e69d987f0cda31d3e3c701b03499214f7ab944e9ad3774aa96f"` [INFO] [stdout] abc7a1f09e608e69d987f0cda31d3e3c701b03499214f7ab944e9ad3774aa96f [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/lru2/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] ee2ac8024be958f5c0a82457c14c97a0c3142e7053f4f793c116ec4047da64bd [INFO] running `"docker" "start" "-a" "ee2ac8024be958f5c0a82457c14c97a0c3142e7053f4f793c116ec4047da64bd"` [INFO] [stderr] Compiling lru2 v0.1.0 (/opt/crater/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] Finished dev [unoptimized + debuginfo] target(s) in 1.37s [INFO] running `"docker" "inspect" "ee2ac8024be958f5c0a82457c14c97a0c3142e7053f4f793c116ec4047da64bd"` [INFO] running `"docker" "rm" "-f" "ee2ac8024be958f5c0a82457c14c97a0c3142e7053f4f793c116ec4047da64bd"` [INFO] [stdout] ee2ac8024be958f5c0a82457c14c97a0c3142e7053f4f793c116ec4047da64bd [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/lru2/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"` [INFO] [stdout] f4be01eef1396d8e733652963205b73af56046e37bbf0f1ff5ce3493f082d6b9 [INFO] running `"docker" "start" "-a" "f4be01eef1396d8e733652963205b73af56046e37bbf0f1ff5ce3493f082d6b9"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running /opt/crater/target/debug/deps/lru2-f1bfce3461c907bf [INFO] [stdout] [INFO] [stdout] running 28 tests [INFO] [stdout] test cache::bench::random_u32_constrained_to_500 ... ok [INFO] [stdout] test cache::bench::random_u32_constrained_to_400 ... ok [INFO] [stdout] test cache::bench::random_u32_constrained_to_50 ... ok [INFO] [stdout] test cache::initialize_registers ... ok [INFO] [stdout] test cache::test::get_empty ... ok [INFO] [stdout] test cache::test::get_one ... ok [INFO] [stdout] test cache::test::has_one ... ok [INFO] [stdout] test cache::test::has_empty ... ok [INFO] [stdout] test cache::test::set_again ... ok [INFO] [stdout] test cache::bench::random_u32 ... ok [INFO] [stdout] test cache::bench::has_empty ... ok [INFO] [stdout] test cache::bench::best_cache_hit ... ok [INFO] [stdout] test cache::test::integration ... ok [INFO] [stdout] test register::initialize_2 ... ok [INFO] [stdout] test register::initialize_100 ... ok [INFO] [stdout] test cache::test::set_one ... ok [INFO] [stdout] test register::test::get_many ... ok [INFO] [stdout] test register::test::get_one ... ok [INFO] [stdout] test register::test::get_empty ... ok [INFO] [stdout] test register::test::set_many ... ok [INFO] [stdout] test register::test::set_one ... ok [INFO] [stdout] test register::test::set_again ... ok [INFO] [stdout] test register::test::reset ... 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] [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] [stderr] Doc-tests lru2 [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" "f4be01eef1396d8e733652963205b73af56046e37bbf0f1ff5ce3493f082d6b9"` [INFO] running `"docker" "rm" "-f" "f4be01eef1396d8e733652963205b73af56046e37bbf0f1ff5ce3493f082d6b9"` [INFO] [stdout] f4be01eef1396d8e733652963205b73af56046e37bbf0f1ff5ce3493f082d6b9