[INFO] crate couchdb 0.6.0 is already in cache
[INFO] extracting crate couchdb 0.6.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/couchdb/0.6.0
[INFO] extracting crate couchdb 0.6.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/couchdb/0.6.0
[INFO] validating manifest of couchdb-0.6.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of couchdb-0.6.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing couchdb-0.6.0
[INFO] finished frobbing couchdb-0.6.0
[INFO] frobbed toml for couchdb-0.6.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/couchdb/0.6.0/Cargo.toml
[INFO] started frobbing couchdb-0.6.0
[INFO] finished frobbing couchdb-0.6.0
[INFO] frobbed toml for couchdb-0.6.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/couchdb/0.6.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing couchdb-0.6.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/couchdb/0.6.0:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] e0db25f175f6b781fd019b471139c4f33f42030a059cc7aead711ffa0b816680
[INFO] running `"docker" "start" "-a" "e0db25f175f6b781fd019b471139c4f33f42030a059cc7aead711ffa0b816680"`
[INFO] [stderr]    Compiling uuid v0.5.1
[INFO] [stderr]    Compiling couchdb v0.6.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:53:32
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]    --> src/testing/fake_server.rs:136:33
[INFO] [stderr]     |
[INFO] [stderr] 136 |                 let line = line.trim_right();
[INFO] [stderr]     |                                 ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.27s
[INFO] running `"docker" "inspect" "e0db25f175f6b781fd019b471139c4f33f42030a059cc7aead711ffa0b816680"`
[INFO] running `"docker" "rm" "-f" "e0db25f175f6b781fd019b471139c4f33f42030a059cc7aead711ffa0b816680"`
[INFO] [stdout] e0db25f175f6b781fd019b471139c4f33f42030a059cc7aead711ffa0b816680
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/couchdb/0.6.0:/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4027f7c78b6c58502c461ce822ecc6f5a864eec36a7f9e36cb7fbb0911bd0b15
[INFO] running `"docker" "start" "-a" "4027f7c78b6c58502c461ce822ecc6f5a864eec36a7f9e36cb7fbb0911bd0b15"`
[INFO] [stderr]    Compiling couchdb v0.6.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:53:32
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/revision.rs:189:9
[INFO] [stderr]     |
[INFO] [stderr] 189 | /         macro_rules! expect_error {
[INFO] [stderr] 190 | |             ($input: expr) => {
[INFO] [stderr] 191 | |                 match Revision::from_str($input) {
[INFO] [stderr] 192 | |                     Err(Error::RevisionParse{..}) => (),
[INFO] [stderr] ...   |
[INFO] [stderr] 195 | |             }
[INFO] [stderr] 196 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_macros)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]    --> src/testing/fake_server.rs:136:33
[INFO] [stderr]     |
[INFO] [stderr] 136 |                 let line = line.trim_right();
[INFO] [stderr]     |                                 ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.32s
[INFO] running `"docker" "inspect" "4027f7c78b6c58502c461ce822ecc6f5a864eec36a7f9e36cb7fbb0911bd0b15"`
[INFO] running `"docker" "rm" "-f" "4027f7c78b6c58502c461ce822ecc6f5a864eec36a7f9e36cb7fbb0911bd0b15"`
[INFO] [stdout] 4027f7c78b6c58502c461ce822ecc6f5a864eec36a7f9e36cb7fbb0911bd0b15
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/couchdb/0.6.0:/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] a7080959de829f15c9a263591ce742d57cf0d5ac8d3dabeaec5a7a369aef20a7
[INFO] running `"docker" "start" "-a" "a7080959de829f15c9a263591ce742d57cf0d5ac8d3dabeaec5a7a369aef20a7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/couchdb-f00e146ae447911b
[INFO] [stdout] 
[INFO] [stdout] running 50 tests
[INFO] [stdout] test attachment::tests::attachment_deserializes_with_data ... ok
[INFO] [stdout] test attachment::tests::attachment_deserializes_with_encoding_info ... ok
[INFO] [stdout] test path::tests::database_path_percent_encodes_itself ... ok
[INFO] [stdout] test database::tests::database_deserializes_ok ... ok
[INFO] [stdout] test path::tests::attachment_path_percent_encodes_itself ... ok
[INFO] [stdout] test path::tests::attachment_path_decodes_str ... ok
[INFO] [stdout] test attachment::tests::client_origin_attachment_serializes_with_content ... ok
[INFO] [stdout] test attachment::tests::attachment_deserializes_as_stub ... ok
[INFO] [stdout] test attachment::tests::server_origin_attachment_serializes_as_stub ... ok
[INFO] [stdout] test path::tests::database_path_decodes_str ... ok
[INFO] [stdout] test path::tests::design_document_id_deserialization_enforces_design_prefix ... ok
[INFO] [stdout] test path::tests::design_document_id_converts_from_design_document_name ... ok
[INFO] [stdout] test path::tests::design_document_path_decodes_str ... ok
[INFO] [stdout] test path::tests::design_document_path_percent_encodes_itself ... ok
[INFO] [stdout] test path::tests::design_document_id_converts_into_document_id ... ok
[INFO] [stdout] test path::tests::design_document_id_converts_into_design_document_name ... ok
[INFO] [stdout] test path::tests::document_id_converts_into_local_document_name ... ok
[INFO] [stdout] test path::tests::document_id_converts_from_document_name ... ok
[INFO] [stdout] test path::tests::document_id_converts_into_normal_document_name ... ok
[INFO] [stdout] test path::tests::document_id_distinguishes_by_document_type ... ok
[INFO] [stdout] test path::tests::document_id_percent_encodes_self ... ok
[INFO] [stdout] test path::tests::document_path_decodes_str ... ok
[INFO] [stdout] test path::tests::document_path_percent_encodes_itself ... ok
[INFO] [stdout] test path::tests::path_decoding_enforces_nonemptiness_for_segments ... ok
[INFO] [stdout] test path::tests::name_type_percent_encodes_self ... ok
[INFO] [stdout] test path::tests::path_decoding_must_begin_with_leading_slash ... ok
[INFO] [stdout] test path::tests::path_decoding_fails_on_a_path_having_too_few_segments ... ok
[INFO] [stdout] test path::tests::document_id_converts_into_design_document_name ... ok
[INFO] [stdout] test path::tests::path_decoding_fails_on_an_unexpected_segment ... ok
[INFO] [stdout] test path::tests::view_path_decodes_str ... ok
[INFO] [stdout] test path::tests::path_decoding_must_end_with_empty_string ... ok
[INFO] [stdout] test path::tests::path_decoding_succeeds_on_an_optional_prefix ... ok
[INFO] [stdout] test revision::tests::eq_case_insensitive ... ok
[INFO] [stdout] test revision::tests::eq_different_numbers ... ok
[INFO] [stdout] test revision::tests::eq_different_digests ... ok
[INFO] [stdout] test revision::tests::deserialization_enforces_revision_validity ... ok
[INFO] [stdout] test path::tests::path_decoding_percent_decodes ... ok
[INFO] [stdout] test revision::tests::eq_same ... ok
[INFO] [stdout] test revision::tests::from_str_ok ... ok
[INFO] [stdout] test path::tests::view_path_percent_encodes_itself ... ok
[INFO] [stdout] test revision::tests::display ... ok
[INFO] [stdout] test revision::tests::from_str_nok ... ok
[INFO] [stdout] test path::tests::path_decoding_succeeds_on_a_prefix ... ok
[INFO] [stdout] test revision::tests::string_from_revision ... ok
[INFO] [stdout] test root::tests::root_deserializes_ok ... ok
[INFO] [stdout] test revision::tests::parse_nok ... ok
[INFO] [stdout] test revision::tests::serialization_and_deserialization_ok ... ok
[INFO] [stdout] test revision::tests::parse_ok ... ok
[INFO] [stdout] test revision::tests::sequence_number ... ok
[INFO] [stdout] test root::tests::version_parses_triple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 50 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests couchdb
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/revision.rs - revision::Revision (line 26) ... ok
[INFO] [stdout] test src/path.rs - path (line 39) ... ok
[INFO] [stdout] test src/nok.rs - nok::Nok (line 27) ... ok
[INFO] [stdout] test src/attachment.rs - attachment::Attachment::to_multipart_stub (line 235) ... ok
[INFO] [stdout] test src/testing/fake_server.rs - testing::fake_server::FakeServer (line 42) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "a7080959de829f15c9a263591ce742d57cf0d5ac8d3dabeaec5a7a369aef20a7"`
[INFO] running `"docker" "rm" "-f" "a7080959de829f15c9a263591ce742d57cf0d5ac8d3dabeaec5a7a369aef20a7"`
[INFO] [stdout] a7080959de829f15c9a263591ce742d57cf0d5ac8d3dabeaec5a7a369aef20a7