[INFO] fetching crate slicetools 0.3.0...
[INFO] testing slicetools-0.3.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate slicetools 0.3.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate slicetools 0.3.0 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate slicetools 0.3.0
[INFO] finished tweaking crates.io crate slicetools 0.3.0
[INFO] tweaked toml for crates.io crate slicetools 0.3.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "+beta-2020-06-03" "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] 4c480722d4419b6c58bf52cff13db817d0b3030113aebf2b5e8d5530c2ebde65
[INFO] running `"docker" "start" "-a" "4c480722d4419b6c58bf52cff13db817d0b3030113aebf2b5e8d5530c2ebde65"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling slicetools v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `"docker" "inspect" "4c480722d4419b6c58bf52cff13db817d0b3030113aebf2b5e8d5530c2ebde65"`
[INFO] running `"docker" "rm" "-f" "4c480722d4419b6c58bf52cff13db817d0b3030113aebf2b5e8d5530c2ebde65"`
[INFO] [stdout] 4c480722d4419b6c58bf52cff13db817d0b3030113aebf2b5e8d5530c2ebde65
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "+beta-2020-06-03" "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] 4e2075dcdb3daa69461cededa1bee6e767f39387aec85eb968f4010a14145dff
[INFO] running `"docker" "start" "-a" "4e2075dcdb3daa69461cededa1bee6e767f39387aec85eb968f4010a14145dff"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling slicetools v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `"docker" "inspect" "4e2075dcdb3daa69461cededa1bee6e767f39387aec85eb968f4010a14145dff"`
[INFO] running `"docker" "rm" "-f" "4e2075dcdb3daa69461cededa1bee6e767f39387aec85eb968f4010a14145dff"`
[INFO] [stdout] 4e2075dcdb3daa69461cededa1bee6e767f39387aec85eb968f4010a14145dff
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "+beta-2020-06-03" "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] 89a83bf2a75f4c3f9e74dcfde2537749eab519a0a64703034762b12b2d8f8818
[INFO] running `"docker" "start" "-a" "89a83bf2a75f4c3f9e74dcfde2537749eab519a0a64703034762b12b2d8f8818"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/slicetools-05aef392aa8a46c8
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test group_mut::tests::slice_with_various_groups ... ok
[INFO] [stdout] test cartesian_product_mut::tests::slices_with_1_item_each ... ok
[INFO] [stdout] test cartesian_product_mut::tests::slices_with_multiple_items ... ok
[INFO] [stdout] test group_mut::tests::version_with_closure_condition ... ok
[INFO] [stdout] test group_mut::tests::version_with_closure_key ... ok
[INFO] [stdout] test cartesian_product_mut::tests::slices_when_at_least_one_is_empty ... ok
[INFO] [stdout] test pairs_mut::tests::slice_with_2_items ... ok
[INFO] [stdout] test pairs_mut::tests::slice_with_3_items ... ok
[INFO] [stdout] test group_mut::tests::slice_with_0_item ... ok
[INFO] [stdout] test pairs_mut::tests::empty_slice ... ok
[INFO] [stdout] test cartesian_product_mut::tests::slices_when_one_have_only_1_item ... ok
[INFO] [stdout] test pairs_mut::tests::simple_algorith ... ok
[INFO] [stdout] test pairs_mut::tests::slice_with_1_item ... ok
[INFO] [stdout] test group_mut::tests::slice_with_1_item ... ok
[INFO] [stdout] test group_mut::tests::slice_with_unique_items ... ok
[INFO] [stdout] test group_mut::tests::slice_with_one_item_type ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests slicetools
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - SliceTools::group_by_mut (line 178) ... ok
[INFO] [stdout] test src/lib.rs - SliceTools::group_by_key_mut (line 152) ... ok
[INFO] [stdout] test src/lib.rs - SliceTools::cartesian_product_mut (line 75) ... ok
[INFO] [stdout] test src/lib.rs -  (line 28) ... ok
[INFO] [stdout] test src/lib.rs - SliceTools::group_mut (line 126) ... ok
[INFO] [stdout] test src/lib.rs - SliceTools::pairs_mut (line 100) ... ok
[INFO] [stdout] test src/lib.rs -  (line 10) ... 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" "89a83bf2a75f4c3f9e74dcfde2537749eab519a0a64703034762b12b2d8f8818"`
[INFO] running `"docker" "rm" "-f" "89a83bf2a75f4c3f9e74dcfde2537749eab519a0a64703034762b12b2d8f8818"`
[INFO] [stdout] 89a83bf2a75f4c3f9e74dcfde2537749eab519a0a64703034762b12b2d8f8818