[INFO] fetching crate frugalos_mds 0.6.2...
[INFO] extracting crate frugalos_mds 0.6.2 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/frugalos_mds/0.6.2
[INFO] extracting crate frugalos_mds 0.6.2 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/frugalos_mds/0.6.2
[INFO] validating manifest of frugalos_mds-0.6.2 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 frugalos_mds-0.6.2 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 frugalos_mds-0.6.2
[INFO] finished frobbing frugalos_mds-0.6.2
[INFO] frobbed toml for frugalos_mds-0.6.2 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/frugalos_mds/0.6.2/Cargo.toml
[INFO] started frobbing frugalos_mds-0.6.2
[INFO] finished frobbing frugalos_mds-0.6.2
[INFO] frobbed toml for frugalos_mds-0.6.2 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/frugalos_mds/0.6.2/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] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] testing frugalos_mds-0.6.2 against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/frugalos_mds/0.6.2:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] f90671abf9cab9769709a5ef227b5d2af15356a6a7aba7cd86620463b0e01b36
[INFO] running `"docker" "start" "-a" "f90671abf9cab9769709a5ef227b5d2af15356a6a7aba7cd86620463b0e01b36"`
[INFO] [stderr]    Compiling trackable_derive v0.1.2
[INFO] [stderr]    Compiling procinfo v0.4.2
[INFO] [stderr]    Compiling fibers v0.1.12
[INFO] [stderr]    Compiling trackable v0.2.22
[INFO] [stderr]    Compiling bytecodec v0.4.11
[INFO] [stderr]    Compiling raftlog v0.4.1
[INFO] [stderr]    Compiling frugalos_core v0.1.0
[INFO] [stderr]    Compiling rustracing v0.1.8
[INFO] [stderr]    Compiling protobuf_codec v0.2.7
[INFO] [stderr]    Compiling patricia_tree v0.1.8
[INFO] [stderr]    Compiling prometrics v0.1.11
[INFO] [stderr]    Compiling raftlog_protobuf v0.1.0
[INFO] [stderr]    Compiling tasque v0.1.4
[INFO] [stderr]    Compiling cannyls v0.9.2
[INFO] [stderr]    Compiling fibers_tasque v0.1.2
[INFO] [stderr]    Compiling fibers_rpc v0.2.18
[INFO] [stderr]    Compiling libfrugalos v0.2.2
[INFO] [stderr]    Compiling frugalos_raft v0.6.1
[INFO] [stderr]    Compiling frugalos_mds v0.6.2 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `String` is imported redundantly
[INFO] [stderr]   --> src/machine.rs:97:13
[INFO] [stderr]    |
[INFO] [stderr] 97 |         use std::string::String;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 38s
[INFO] running `"docker" "inspect" "f90671abf9cab9769709a5ef227b5d2af15356a6a7aba7cd86620463b0e01b36"`
[INFO] running `"docker" "rm" "-f" "f90671abf9cab9769709a5ef227b5d2af15356a6a7aba7cd86620463b0e01b36"`
[INFO] [stdout] f90671abf9cab9769709a5ef227b5d2af15356a6a7aba7cd86620463b0e01b36
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/frugalos_mds/0.6.2:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 20904afff4b0397d1f4da2528fde787178390e8075cf369ff146c89b899fef94
[INFO] running `"docker" "start" "-a" "20904afff4b0397d1f4da2528fde787178390e8075cf369ff146c89b899fef94"`
[INFO] [stderr]    Compiling fibers_global v0.1.2
[INFO] [stderr]    Compiling frugalos_mds v0.6.2 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `String` is imported redundantly
[INFO] [stderr]   --> src/machine.rs:97:13
[INFO] [stderr]    |
[INFO] [stderr] 97 |         use std::string::String;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.37s
[INFO] running `"docker" "inspect" "20904afff4b0397d1f4da2528fde787178390e8075cf369ff146c89b899fef94"`
[INFO] running `"docker" "rm" "-f" "20904afff4b0397d1f4da2528fde787178390e8075cf369ff146c89b899fef94"`
[INFO] [stdout] 20904afff4b0397d1f4da2528fde787178390e8075cf369ff146c89b899fef94
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/frugalos_mds/0.6.2:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] f1a70ae66b67b66bc63965aeb00d4c4affd7b3deaa4247e3bc9a30ff5407086f
[INFO] running `"docker" "start" "-a" "f1a70ae66b67b66bc63965aeb00d4c4affd7b3deaa4247e3bc9a30ff5407086f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/frugalos_mds-988be859319eaf7f
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test machine::tests::it_get_matching_version ... ok
[INFO] [stdout] test machine::tests::it_fails_to_delete_object_by_id_with_incorrect_expect ... ok
[INFO] [stdout] test machine::tests::it_doesnt_delete_unknown_object_by_id ... ok
[INFO] [stdout] test machine::tests::it_doesnt_delete_non_matched_objects_by_prefix ... ok
[INFO] [stdout] test machine::tests::it_deletes_matched_objects_by_version ... ok
[INFO] [stdout] test machine::tests::it_puts_object ... ok
[INFO] [stdout] test node::node::tests::leader_waiting_timeout_works ... ok
[INFO] [stdout] test machine::tests::it_cant_put_object_with_incorrect_expect ... ok
[INFO] [stdout] test node::snapshot::tests::fill_rng_seed_fills_insufficient_range ... ok
[INFO] [stdout] test node::snapshot::tests::fill_rng_seed_works ... ok
[INFO] [stdout] test machine::tests::it_deletes_object_by_id ... ok
[INFO] [stdout] test machine::tests::it_deletes_objects_by_prefix ... ok
[INFO] [stdout] test node::handle::tests::it_deletes_objects_by_prefix ... ok
[INFO] [stdout] test node::snapshot::tests::it_works_with_minimum_range ... ok
[INFO] [stdout] test node::tests::it_proposes_delete_by_prefix ... ok
[INFO] [stdout] test node::snapshot::tests::it_rejects_invalid_range ... ok
[INFO] [stdout] test node::snapshot::tests::it_works_with_long_seed ... ok
[INFO] [stdout] test node::snapshot::tests::it_works ... ok
[INFO] [stdout] test node::snapshot::tests::fill_rng_seed_panics ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests frugalos_mds
[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" "f1a70ae66b67b66bc63965aeb00d4c4affd7b3deaa4247e3bc9a30ff5407086f"`
[INFO] running `"docker" "rm" "-f" "f1a70ae66b67b66bc63965aeb00d4c4affd7b3deaa4247e3bc9a30ff5407086f"`
[INFO] [stdout] f1a70ae66b67b66bc63965aeb00d4c4affd7b3deaa4247e3bc9a30ff5407086f