[INFO] crate ditto 0.2.0 is already in cache [INFO] testing ditto-0.2.0 against beta-2020-06-03 for beta-1.45-1 [INFO] extracting crate ditto 0.2.0 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate ditto 0.2.0 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 ditto 0.2.0 [INFO] finished tweaking crates.io crate ditto 0.2.0 [INFO] tweaked toml for crates.io crate ditto 0.2.0 written to /workspace/builds/worker-7/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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 5dc5d776e14666e68e9756518525f3fc94e1a426d341ffc9c456f457bf26e245 [INFO] running `"docker" "start" "-a" "5dc5d776e14666e68e9756518525f3fc94e1a426d341ffc9c456f457bf26e245"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling safemem v0.3.3 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling num-iter v0.1.40 [INFO] [stderr] Compiling num-complex v0.1.43 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling serde_json v1.0.53 [INFO] [stderr] Compiling base64 v0.9.3 [INFO] [stderr] Compiling num-bigint v0.1.44 [INFO] [stderr] Compiling num-rational v0.1.42 [INFO] [stderr] Compiling num v0.1.42 [INFO] [stderr] Compiling ditto v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/tree.rs:382:13 [INFO] [stderr] | [INFO] [stderr] 382 | mem::replace(self, child); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 13.51s [INFO] running `"docker" "inspect" "5dc5d776e14666e68e9756518525f3fc94e1a426d341ffc9c456f457bf26e245"` [INFO] running `"docker" "rm" "-f" "5dc5d776e14666e68e9756518525f3fc94e1a426d341ffc9c456f457bf26e245"` [INFO] [stdout] 5dc5d776e14666e68e9756518525f3fc94e1a426d341ffc9c456f457bf26e245 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] ae38c59a86155eb8ee9ee47fce3db1d9674163ef1bc8d33bbc73a958fb811283 [INFO] running `"docker" "start" "-a" "ae38c59a86155eb8ee9ee47fce3db1d9674163ef1bc8d33bbc73a958fb811283"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling assert_matches v1.3.0 [INFO] [stderr] Compiling rmp v0.8.9 [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/tree.rs:382:13 [INFO] [stderr] | [INFO] [stderr] 382 | mem::replace(self, child); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Compiling rmp-serde v0.13.7 [INFO] [stderr] Compiling ditto v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/tree.rs:382:13 [INFO] [stderr] | [INFO] [stderr] 382 | mem::replace(self, child); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 11.93s [INFO] running `"docker" "inspect" "ae38c59a86155eb8ee9ee47fce3db1d9674163ef1bc8d33bbc73a958fb811283"` [INFO] running `"docker" "rm" "-f" "ae38c59a86155eb8ee9ee47fce3db1d9674163ef1bc8d33bbc73a958fb811283"` [INFO] [stdout] ae38c59a86155eb8ee9ee47fce3db1d9674163ef1bc8d33bbc73a958fb811283 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] c07f7bf303e14f31fff9bd6af696a0f6dde1cbf693897333197c88c7434b5cf5 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "c07f7bf303e14f31fff9bd6af696a0f6dde1cbf693897333197c88c7434b5cf5"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/tree.rs:382:13 [INFO] [stderr] | [INFO] [stderr] 382 | mem::replace(self, child); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/tree.rs:382:13 [INFO] [stderr] | [INFO] [stderr] 382 | mem::replace(self, child); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.22s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/ditto-9a10b9ce884b8608 [INFO] [stdout] [INFO] [stdout] running 126 tests [INFO] [stdout] test json::tests::test_array_remove_invalid_pointer ... ok [INFO] [stdout] test json::tests::test_execute_op_array ... ok [INFO] [stdout] test json::tests::test_execute_op_missing_pointer ... ok [INFO] [stdout] test json::tests::test_from_str ... ok [INFO] [stdout] test json::tests::test_array_remove ... ok [INFO] [stdout] test json::tests::test_object_insert ... ok [INFO] [stdout] test json::tests::test_add_site_nested ... ok [INFO] [stdout] test json::tests::test_object_insert_awaiting_site_id ... ok [INFO] [stdout] test json::tests::test_object_insert_invalid_pointer ... ok [INFO] [stdout] test json::tests::test_object_insert_same_value ... ok [INFO] [stdout] test json::tests::test_add_site_id ... ok [INFO] [stdout] test json::tests::test_from_str_invalid ... ok [INFO] [stdout] test json::tests::test_object_insert_replaces_value ... ok [INFO] [stdout] test json::tests::test_array_insert_awaiting_site ... ok [INFO] [stdout] test json::tests::test_execute_op_object ... ok [INFO] [stdout] test json::tests::test_merge ... ok [INFO] [stdout] test json::tests::test_execute_op_string ... ok [INFO] [stdout] test json::tests::test_execute_op_dupe ... ok [INFO] [stdout] test json::tests::test_array_insert ... ok [INFO] [stdout] test json::tests::test_array_remove_awaiting_site ... ok [INFO] [stdout] test json::tests::test_replace_text_invalid_pointer ... ok [INFO] [stdout] test json::tests::test_array_insert_invalid_pointer ... ok [INFO] [stdout] test json::tests::test_add_site_already_has_site ... ok [INFO] [stdout] test json::tests::test_object_remove_does_not_exist ... ok [INFO] [stdout] test json::tests::test_object_remove_awaiting_site ... ok [INFO] [stdout] test json::tests::test_replace_text ... ok [INFO] [stdout] test sequence::uid::tests::test_min ... ok [INFO] [stdout] test sequence::uid::tests::test_ord ... ok [INFO] [stdout] test sequence::uid::tests::test_max ... ok [INFO] [stdout] test sequence::uid::tests::test_serialize ... ok [INFO] [stdout] test sequence::uid::tests::test_serialize_deserialize_invalid ... ok [INFO] [stdout] test sequence::uid::tests::test_to_from_string ... ok [INFO] [stdout] test json::tests::test_object_remove_invalid_pointer ... ok [INFO] [stdout] test text::text_edit::tests::merge_inside_insert ... ok [INFO] [stdout] test text::text_edit::tests::merge_internal_delete ... ok [INFO] [stdout] test sequence::uid::tests::test_between_first_is_shorter ... ok [INFO] [stdout] test sequence::uid::tests::test_between_basic ... ok [INFO] [stdout] test sequence::uid::tests::test_between_first_is_longer ... ok [INFO] [stdout] test sequence::uid::tests::test_between_equals ... ok [INFO] [stdout] test sequence::uid::tests::test_between_multi_level ... ok [INFO] [stdout] test json::tests::test_object_remove ... ok [INFO] [stdout] test json::tests::test_replace_text_awaiting_site ... ok [INFO] [stdout] test sequence::uid::tests::test_between_squeeze ... ok [INFO] [stdout] test text::text_edit::tests::merge_prefix_insert ... ok [INFO] [stdout] test text::text_edit::tests::merge_prefix_delete ... ok [INFO] [stdout] test text::text_edit::tests::merge_postoverlapping_replacement ... ok [INFO] [stdout] test text::text_edit::tests::merge_postfix_replacement ... ok [INFO] [stdout] test text::text_edit::tests::merge_postfix_insert ... ok [INFO] [stdout] test text::text_edit::tests::merge_no_overlap ... ok [INFO] [stdout] test text::text_edit::tests::merge_postfix_delete ... ok [INFO] [stdout] test text::text_edit::tests::merge_postoverlapping_delete ... ok [INFO] [stdout] test text::text_edit::tests::overwrite_newline ... ok [INFO] [stdout] test text::text_edit::tests::merge_preoverlapping_replacement ... ok [INFO] [stdout] test text::text_edit::tests::merge_wrapping_delete ... ok [INFO] [stdout] test text::text_edit::tests::merge_wrapping_replacement ... ok [INFO] [stdout] test text::text_edit::tests::overwrite_inside_insert ... ok [INFO] [stdout] test text::text_edit::tests::overwrite_postfix_insert ... ok [INFO] [stdout] test text::text_edit::tests::overwrite_postfix_delete ... ok [INFO] [stdout] test text::text_edit::tests::overwrite_internal_delete ... ok [INFO] [stdout] test text::text_edit::tests::overwrite_internal_replacement ... ok [INFO] [stdout] test text::text_edit::tests::overwrite_postoverlapping_delete ... ok [INFO] [stdout] test text::text_edit::tests::overwrite_prefix_delete ... ok [INFO] [stdout] test text::text_edit::tests::overwrite_postfix_replacement ... ok [INFO] [stdout] test text::text_edit::tests::overwrite_no_overlap ... ok [INFO] [stdout] test text::text_edit::tests::overwrite_prefix_insert ... ok [INFO] [stdout] test text::text_edit::tests::overwrite_preoverlapping_delete ... ok [INFO] [stdout] test text::text_edit::tests::overwrite_prefix_insert2 ... ok [INFO] [stdout] test text::text_edit::tests::overwrite_toolong ... ok [INFO] [stdout] test text::text_edit::tests::merge_internal_replacement ... ok [INFO] [stdout] test text::text_edit::tests::overwrite_wrapping_delete ... ok [INFO] [stdout] test text::text_edit::tests::overwrite_preoverlapping_replacement ... ok [INFO] [stdout] test text::text_edit::tests::shift_delete_before ... ok [INFO] [stdout] test text::text_edit::tests::shift_delete_postfix ... ok [INFO] [stdout] test text::text_edit::tests::shift_delete_internal ... ok [INFO] [stdout] test text::text_edit::tests::shift_delete_postoverlapping ... ok [INFO] [stdout] test text::text_edit::tests::shift_delete_prefix ... ok [INFO] [stdout] test text::text_edit::tests::shift_delete_preoverlapping ... ok [INFO] [stdout] test text::text_edit::tests::shift_delete_wrapping ... ok [INFO] [stdout] test text::text_edit::tests::overwrite_postoverlapping_replacement ... ok [INFO] [stdout] test text::text_edit::tests::shift_insert_after ... ok [INFO] [stdout] test text::text_edit::tests::shift_insert_before ... ok [INFO] [stdout] test text::text_edit::tests::shift_insert_internal ... ok [INFO] [stdout] test text::text_edit::tests::shift_insert_postfix ... ok [INFO] [stdout] test text::text_edit::tests::shift_replace_after ... ok [INFO] [stdout] test text::text_edit::tests::shift_insert_prefix ... ok [INFO] [stdout] test text::text_edit::tests::shift_replace_before ... ok [INFO] [stdout] test text::text_edit::tests::shift_replace_internal ... ok [INFO] [stdout] test text::text_edit::tests::shift_replace_postfix ... ok [INFO] [stdout] test text::text_edit::tests::shift_replace_postoverlapping ... ok [INFO] [stdout] test text::text_edit::tests::shift_replace_prefix ... ok [INFO] [stdout] test text::text_edit::tests::shift_replace_preoverlapping ... ok [INFO] [stdout] test text::text_edit::tests::shift_replace_wrapping ... ok [INFO] [stdout] test tree::test::get_idx_does_not_exist ... ok [INFO] [stdout] test tree::test::get_idx_element_exists ... ok [INFO] [stdout] test tree::test::insert_and_remove_ordered ... ok [INFO] [stdout] test text::text_edit::tests::overwrite_prefix_replacement ... ok [INFO] [stdout] test text::text_edit::tests::overwrite_wrapping_replacement ... ok [INFO] [stdout] test tree::test::insert_and_remove_random ... ok [INFO] [stdout] test tree::test::insert_basic ... ok [INFO] [stdout] test tree::test::insert_duplicate ... ok [INFO] [stdout] test tree::test::remove_basic ... ok [INFO] [stdout] test tree::test::get_elt_empty ... ok [INFO] [stdout] test tree::test::get_elt_nonempty ... ok [INFO] [stdout] test tree::test::get_elt_out_of_bounds ... ok [INFO] [stdout] test vlq::tests::test_decode_multibyte_value ... ok [INFO] [stdout] test tree::test::insert_emoji ... ok [INFO] [stdout] test vlq::tests::test_decode_invalid_value ... ok [INFO] [stdout] test text::text_edit::tests::shift_delete_after ... ok [INFO] [stdout] test sequence::uid::tests::test_between_trivial ... ok [INFO] [stdout] test vlq::tests::test_decode_single_byte_value ... ok [INFO] [stdout] test vlq::tests::test_decode_zero ... ok [INFO] [stdout] test vlq::tests::test_encode_multibyte_values ... ok [INFO] [stdout] test vlq::tests::test_encode_single_byte_values ... ok [INFO] [stdout] test vlq::tests::test_encode_and_decode ... ok [INFO] [stdout] test vlq::tests::test_decode_multiple_values ... ok [INFO] [stdout] test tree::test::test_new ... ok [INFO] [stdout] test tree::test::remove_emoji ... ok [INFO] [stdout] test tree::test::remove_duplicate ... ok [INFO] [stdout] test text::text_edit::tests::merge_prefix_replacement ... ok [INFO] [stdout] test text::text_edit::tests::merge_preoverlapping_delete ... ok [INFO] [stdout] test vlq::tests::test_encode_zero ... ok [INFO] [stdout] test json::tests::test_array_insert_out_of_bounds ... ok [INFO] [stdout] test json::tests::test_replace_text_out_of_bounds ... ok [INFO] [stdout] test text::text_edit::tests::merge_invalid_replacement ... ok [INFO] [stdout] test json::tests::test_array_remove_out_of_bounds ... ok [INFO] [stdout] test text::text_edit::tests::overwrite_invalid_replacement ... ok [INFO] [stderr] Doc-tests ditto [INFO] [stdout] [INFO] [stdout] test result: ok. 126 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 26) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "c07f7bf303e14f31fff9bd6af696a0f6dde1cbf693897333197c88c7434b5cf5"` [INFO] running `"docker" "rm" "-f" "c07f7bf303e14f31fff9bd6af696a0f6dde1cbf693897333197c88c7434b5cf5"` [INFO] [stdout] c07f7bf303e14f31fff9bd6af696a0f6dde1cbf693897333197c88c7434b5cf5