[INFO] crate mio_httpc 0.8.6 is already in cache
[INFO] extracting crate mio_httpc 0.8.6 into work/ex/beta-1.38-1/sources/1.37.0/reg/mio_httpc/0.8.6
[INFO] extracting crate mio_httpc 0.8.6 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mio_httpc/0.8.6
[INFO] validating manifest of mio_httpc-0.8.6 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 mio_httpc-0.8.6 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 mio_httpc-0.8.6
[INFO] finished frobbing mio_httpc-0.8.6
[INFO] frobbed toml for mio_httpc-0.8.6 written to work/ex/beta-1.38-1/sources/1.37.0/reg/mio_httpc/0.8.6/Cargo.toml
[INFO] started frobbing mio_httpc-0.8.6
[INFO] finished frobbing mio_httpc-0.8.6
[INFO] frobbed toml for mio_httpc-0.8.6 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mio_httpc/0.8.6/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 mio_httpc-0.8.6 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/mio_httpc/0.8.6:/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] 62da3a60eb17b811064eb15b91d12df5ba855767e6db279ee8bc231ddc8a8b8f
[INFO] running `"docker" "start" "-a" "62da3a60eb17b811064eb15b91d12df5ba855767e6db279ee8bc231ddc8a8b8f"`
[INFO] [stderr]    Compiling mio_httpc v0.8.6 (/opt/crater/workdir)
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/dns_parser/enums.rs:179:14
[INFO] [stderr]     |
[INFO] [stderr] 179 |             6...15 => Reserved(code),
[INFO] [stderr]     |              ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tls_api/mod.rs:63:29
[INFO] [stderr]    |
[INFO] [stderr] 63 | pub struct TlsStream<S>(Box<TlsStreamImpl<S> + 'static>);
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TlsStreamImpl<S> + 'static`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/tls_api/mod.rs:135:41
[INFO] [stderr]     |
[INFO] [stderr] 135 | pub struct MidHandshakeTlsStream<S>(Box<MidHandshakeTlsStreamImpl<S> + 'static>);
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MidHandshakeTlsStreamImpl<S> + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/types.rs:297:13
[INFO] [stderr]     |
[INFO] [stderr] 297 |         b'0'...b'9' => Some((ch - b'0') as usize),
[INFO] [stderr]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/types.rs:298:13
[INFO] [stderr]     |
[INFO] [stderr] 298 |         b'a'...b'f' => Some((ch - b'a' + 10) as usize),
[INFO] [stderr]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/types.rs:299:13
[INFO] [stderr]     |
[INFO] [stderr] 299 |         b'A'...b'F' => Some((ch - b'A' + 10) as usize),
[INFO] [stderr]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'pest::iterators::Pair::<'i, R>::into_span': Please use `as_span` instead
[INFO] [stderr]   --> src/types.rs:98:52
[INFO] [stderr]    |
[INFO] [stderr] 98 |                                 let s = inner_pair.into_span().as_str();
[INFO] [stderr]    |                                                    ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'pest::iterators::Pair::<'i, R>::into_span': Please use `as_span` instead
[INFO] [stderr]    --> src/types.rs:107:52
[INFO] [stderr]     |
[INFO] [stderr] 107 |                                 realm = inner_pair.into_span().as_str();
[INFO] [stderr]     |                                                    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'pest::iterators::Pair::<'i, R>::into_span': Please use `as_span` instead
[INFO] [stderr]    --> src/types.rs:113:52
[INFO] [stderr]     |
[INFO] [stderr] 113 |                                 let s = inner_pair.into_span().as_str();
[INFO] [stderr]     |                                                    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'pest::iterators::Pair::<'i, R>::into_span': Please use `as_span` instead
[INFO] [stderr]    --> src/types.rs:125:52
[INFO] [stderr]     |
[INFO] [stderr] 125 |                                 nonce = inner_pair.into_span().as_str();
[INFO] [stderr]     |                                                    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'pest::iterators::Pair::<'i, R>::into_span': Please use `as_span` instead
[INFO] [stderr]    --> src/types.rs:131:53
[INFO] [stderr]     |
[INFO] [stderr] 131 |                                 opaque = inner_pair.into_span().as_str();
[INFO] [stderr]     |                                                     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'pest::iterators::Pair::<'i, R>::into_span': Please use `as_span` instead
[INFO] [stderr]    --> src/types.rs:137:52
[INFO] [stderr]     |
[INFO] [stderr] 137 |                                 let s = inner_pair.into_span().as_str();
[INFO] [stderr]     |                                                    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'pest::iterators::Pair::<'i, R>::into_span': Please use `as_span` instead
[INFO] [stderr]    --> src/types.rs:148:52
[INFO] [stderr]     |
[INFO] [stderr] 148 |                                 let a = inner_pair.into_span().as_str();
[INFO] [stderr]     |                                                    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.10s
[INFO] running `"docker" "inspect" "62da3a60eb17b811064eb15b91d12df5ba855767e6db279ee8bc231ddc8a8b8f"`
[INFO] running `"docker" "rm" "-f" "62da3a60eb17b811064eb15b91d12df5ba855767e6db279ee8bc231ddc8a8b8f"`
[INFO] [stdout] 62da3a60eb17b811064eb15b91d12df5ba855767e6db279ee8bc231ddc8a8b8f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/mio_httpc/0.8.6:/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] 0946ee121bbe1a7ab03758e84e74dbcfde3080cf3c5c301cb00ddcd13c30f701
[INFO] running `"docker" "start" "-a" "0946ee121bbe1a7ab03758e84e74dbcfde3080cf3c5c301cb00ddcd13c30f701"`
[INFO] [stderr]    Compiling mio_httpc v0.8.6 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/dns_parser/enums.rs:179:14
[INFO] [stderr]     |
[INFO] [stderr] 179 |             6...15 => Reserved(code),
[INFO] [stderr]     |              ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tls_api/mod.rs:63:29
[INFO] [stderr]    |
[INFO] [stderr] 63 | pub struct TlsStream<S>(Box<TlsStreamImpl<S> + 'static>);
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TlsStreamImpl<S> + 'static`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/tls_api/mod.rs:135:41
[INFO] [stderr]     |
[INFO] [stderr] 135 | pub struct MidHandshakeTlsStream<S>(Box<MidHandshakeTlsStreamImpl<S> + 'static>);
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MidHandshakeTlsStreamImpl<S> + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/types.rs:297:13
[INFO] [stderr]     |
[INFO] [stderr] 297 |         b'0'...b'9' => Some((ch - b'0') as usize),
[INFO] [stderr]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/types.rs:298:13
[INFO] [stderr]     |
[INFO] [stderr] 298 |         b'a'...b'f' => Some((ch - b'a' + 10) as usize),
[INFO] [stderr]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/types.rs:299:13
[INFO] [stderr]     |
[INFO] [stderr] 299 |         b'A'...b'F' => Some((ch - b'A' + 10) as usize),
[INFO] [stderr]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'pest::iterators::Pair::<'i, R>::into_span': Please use `as_span` instead
[INFO] [stderr]   --> src/types.rs:98:52
[INFO] [stderr]    |
[INFO] [stderr] 98 |                                 let s = inner_pair.into_span().as_str();
[INFO] [stderr]    |                                                    ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'pest::iterators::Pair::<'i, R>::into_span': Please use `as_span` instead
[INFO] [stderr]    --> src/types.rs:107:52
[INFO] [stderr]     |
[INFO] [stderr] 107 |                                 realm = inner_pair.into_span().as_str();
[INFO] [stderr]     |                                                    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'pest::iterators::Pair::<'i, R>::into_span': Please use `as_span` instead
[INFO] [stderr]    --> src/types.rs:113:52
[INFO] [stderr]     |
[INFO] [stderr] 113 |                                 let s = inner_pair.into_span().as_str();
[INFO] [stderr]     |                                                    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'pest::iterators::Pair::<'i, R>::into_span': Please use `as_span` instead
[INFO] [stderr]    --> src/types.rs:125:52
[INFO] [stderr]     |
[INFO] [stderr] 125 |                                 nonce = inner_pair.into_span().as_str();
[INFO] [stderr]     |                                                    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'pest::iterators::Pair::<'i, R>::into_span': Please use `as_span` instead
[INFO] [stderr]    --> src/types.rs:131:53
[INFO] [stderr]     |
[INFO] [stderr] 131 |                                 opaque = inner_pair.into_span().as_str();
[INFO] [stderr]     |                                                     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'pest::iterators::Pair::<'i, R>::into_span': Please use `as_span` instead
[INFO] [stderr]    --> src/types.rs:137:52
[INFO] [stderr]     |
[INFO] [stderr] 137 |                                 let s = inner_pair.into_span().as_str();
[INFO] [stderr]     |                                                    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'pest::iterators::Pair::<'i, R>::into_span': Please use `as_span` instead
[INFO] [stderr]    --> src/types.rs:148:52
[INFO] [stderr]     |
[INFO] [stderr] 148 |                                 let a = inner_pair.into_span().as_str();
[INFO] [stderr]     |                                                    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.41s
[INFO] running `"docker" "inspect" "0946ee121bbe1a7ab03758e84e74dbcfde3080cf3c5c301cb00ddcd13c30f701"`
[INFO] running `"docker" "rm" "-f" "0946ee121bbe1a7ab03758e84e74dbcfde3080cf3c5c301cb00ddcd13c30f701"`
[INFO] [stdout] 0946ee121bbe1a7ab03758e84e74dbcfde3080cf3c5c301cb00ddcd13c30f701
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/mio_httpc/0.8.6:/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] 3feca19fd986de0119a696b2d4dbaa5cab445b1ed3c3b39549d04caf0759d275
[INFO] running `"docker" "start" "-a" "3feca19fd986de0119a696b2d4dbaa5cab445b1ed3c3b39549d04caf0759d275"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mio_httpc-ac7ada878a854fcc
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test dns_parser::header::test::parse_example_query ... ok
[INFO] [stdout] test dns_parser::header::test::parse_example_response ... ok
[INFO] [stdout] test dns_parser::header::test::parse_query_with_ad_set ... ok
[INFO] [stdout] test dns_parser::name::test::nested_names ... ok
[INFO] [stdout] test dns_parser::name::test::parse_badpointer_same_offset ... ok
[INFO] [stdout] test dns_parser::parser::test::parse_aaaa_response ... ok
[INFO] [stdout] test dns_parser::header::test::parse_query_with_cd_set ... ok
[INFO] [stdout] test dns_parser::name::test::parse_badpointer_forward_offset ... ok
[INFO] [stdout] test dns_parser::parser::test::parse_example_query_edns ... ok
[INFO] [stdout] test dns_parser::parser::test::parse_additional_record_response ... ok
[INFO] [stdout] test dns_parser::parser::test::parse_example_query ... ok
[INFO] [stdout] test dns_parser::parser::test::parse_cname_response ... ok
[INFO] [stdout] test dns_parser::parser::test::parse_multicast_prefer_unicast_query ... ok
[INFO] [stdout] test dns_parser::parser::test::parse_multiple_answers ... ok
[INFO] [stdout] test dns_parser::parser::test::parse_ns_response ... ok
[INFO] [stdout] test dns_parser::parser::test::parse_response_with_multicast_unique ... ok
[INFO] [stdout] test dns_parser::parser::test::parse_ptr_response ... ok
[INFO] [stdout] test dns_parser::parser::test::parse_srv_response ... ok
[INFO] [stdout] test dns_parser::parser::test::parse_txt_response_multiple_strings ... ok
[INFO] [stdout] test tests::parse_headers ... ok
[INFO] [stdout] test dns_parser::parser::test::parse_srv_query ... ok
[INFO] [stdout] test dns_parser::parser::test::parse_example_response ... ok
[INFO] [stdout] test dns_parser::parser::test::parse_soa_response ... ok
[INFO] [stdout] test dns_parser::parser::test::parse_mx_response ... ok
[INFO] [stdout] test types::test_auth ... ok
[INFO] [stdout] test resolve::cache::tests::test_cache ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mio_httpc
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/tls_api/mod.rs - tls_api::TlsStream (line 55) ... ignored
[INFO] [stdout] test src/lib.rs -  (line 59) ... FAILED
[INFO] [stdout] test src/lib.rs -  (line 17) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs -  (line 59) stdout ----
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `std::ops::Try`)
[INFO] [stdout]  --> src/lib.rs:65:29
[INFO] [stdout]   |
[INFO] [stdout] 8 | let (response_meta, body) = CallBuilder::get().timeout_ms(5000).url("http://www.example.com")?.exec()?;
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `std::ops::Try` is not implemented for `()`
[INFO] [stdout]   = note: required by `std::ops::Try::from_error`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `std::ops::Try`)
[INFO] [stdout]  --> src/lib.rs:65:29
[INFO] [stdout]   |
[INFO] [stdout] 8 | let (response_meta, body) = CallBuilder::get().timeout_ms(5000).url("http://www.example.com")?.exec()?;
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `std::ops::Try` is not implemented for `()`
[INFO] [stdout]   = note: required by `std::ops::Try::from_error`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs -  (line 17) stdout ----
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `std::ops::Try`)
[INFO] [stdout]   --> src/lib.rs:26:16
[INFO] [stdout]    |
[INFO] [stdout] 11 |   let mut call = CallBuilder::get()
[INFO] [stdout]    |  ________________^
[INFO] [stdout] 12 | |     .url("https://www.reddit.com").expect("Invalid url")
[INFO] [stdout] 13 | |     .timeout_ms(500)
[INFO] [stdout] 14 | |     .simple_call(&mut htp, &poll)?;
[INFO] [stdout]    | |__________________________________^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::ops::Try` is not implemented for `()`
[INFO] [stdout]    = note: required by `std::ops::Try::from_error`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `std::ops::Try`)
[INFO] [stdout]   --> src/lib.rs:47:15
[INFO] [stdout]    |
[INFO] [stdout] 32 |            if call.perform(&mut htp, &poll)? {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::ops::Try` is not implemented for `()`
[INFO] [stdout]    = note: required by `std::ops::Try::from_error`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `std::ops::Try`)
[INFO] [stdout]   --> src/lib.rs:48:34
[INFO] [stdout]    |
[INFO] [stdout] 33 |                let (resp,body) = call.finish()?;
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::ops::Try` is not implemented for `()`
[INFO] [stdout]    = note: required by `std::ops::Try::from_error`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs -  (line 17)
[INFO] [stdout]     src/lib.rs -  (line 59)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "3feca19fd986de0119a696b2d4dbaa5cab445b1ed3c3b39549d04caf0759d275"`
[INFO] running `"docker" "rm" "-f" "3feca19fd986de0119a696b2d4dbaa5cab445b1ed3c3b39549d04caf0759d275"`
[INFO] [stdout] 3feca19fd986de0119a696b2d4dbaa5cab445b1ed3c3b39549d04caf0759d275