[INFO] cloning repository https://github.com/TGLuong/tower
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TGLuong/tower" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTGLuong%2Ftower", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTGLuong%2Ftower'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 057fabe2a8448f1069f0628e12930c249d0e796e
[INFO] testing TGLuong/tower against 1.90.0 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTGLuong%2Ftower" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/TGLuong/tower
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/TGLuong/tower
[INFO] tweaked toml for git repo https://github.com/TGLuong/tower written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/TGLuong/tower on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/TGLuong/tower already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-executor v0.3.21
[INFO] [stderr]   Downloaded tower-layer v0.3.1
[INFO] [stderr]   Downloaded futures-macro v0.3.21
[INFO] [stderr]   Downloaded futures-sink v0.3.21
[INFO] [stderr]   Downloaded futures-task v0.3.21
[INFO] [stderr]   Downloaded futures v0.3.21
[INFO] [stderr]   Downloaded futures-util v0.3.21
[INFO] [stderr]   Downloaded tokio v1.19.2
[INFO] [stderr]   Downloaded futures-channel v0.3.21
[INFO] [stderr]   Downloaded hdrhistogram v7.5.0
[INFO] [stderr]   Downloaded tower-test v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6cb198a94d99243fd7fb7d953cb2d7cc21f2e7a9990f460742215ce4f1abd9e7
[INFO] running `Command { std: "docker" "start" "-a" "6cb198a94d99243fd7fb7d953cb2d7cc21f2e7a9990f460742215ce4f1abd9e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6cb198a94d99243fd7fb7d953cb2d7cc21f2e7a9990f460742215ce4f1abd9e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cb198a94d99243fd7fb7d953cb2d7cc21f2e7a9990f460742215ce4f1abd9e7", kill_on_drop: false }`
[INFO] [stdout] 6cb198a94d99243fd7fb7d953cb2d7cc21f2e7a9990f460742215ce4f1abd9e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e41aa6231e9bfcaefecba74ccedd381825ab70c0104a83c0a8486ffb2d6def7
[INFO] running `Command { std: "docker" "start" "-a" "0e41aa6231e9bfcaefecba74ccedd381825ab70c0104a83c0a8486ffb2d6def7", kill_on_drop: false }`
[INFO] [stderr]    Compiling once_cell v1.12.0
[INFO] [stderr]    Compiling tower-layer v0.3.1
[INFO] [stderr]    Compiling tower-service v0.3.2
[INFO] [stderr]    Compiling tracing-core v0.1.27
[INFO] [stderr]    Compiling tracing v0.1.35
[INFO] [stderr]    Compiling tower v0.4.13 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Sealed` is never used
[INFO] [stdout]    --> src/lib.rs:238:15
[INFO] [stdout]     |
[INFO] [stdout] 238 |     pub trait Sealed<T> {}
[INFO] [stdout]     |               ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "0e41aa6231e9bfcaefecba74ccedd381825ab70c0104a83c0a8486ffb2d6def7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e41aa6231e9bfcaefecba74ccedd381825ab70c0104a83c0a8486ffb2d6def7", kill_on_drop: false }`
[INFO] [stdout] 0e41aa6231e9bfcaefecba74ccedd381825ab70c0104a83c0a8486ffb2d6def7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c77d16e10e294e5e66a4b690a84f779e892cce27e051f164373a1c4be88a5e33
[INFO] running `Command { std: "docker" "start" "-a" "c77d16e10e294e5e66a4b690a84f779e892cce27e051f164373a1c4be88a5e33", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling futures-io v0.3.21
[INFO] [stderr]    Compiling slab v0.4.6
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling thread_local v1.1.4
[INFO] [stderr]    Compiling itoa v1.0.2
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stdout] warning: trait `Sealed` is never used
[INFO] [stdout]    --> src/lib.rs:238:15
[INFO] [stdout]     |
[INFO] [stdout] 238 |     pub trait Sealed<T> {}
[INFO] [stdout]     |               ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tracing-subscriber v0.3.11
[INFO] [stderr]    Compiling http v0.2.8
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling hdrhistogram v7.5.0
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling async-stream-impl v0.3.3
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling async-stream v0.3.3
[INFO] [stderr]    Compiling tokio v1.19.2
[INFO] [stderr]    Compiling pin-project v1.0.10
[INFO] [stderr]    Compiling tokio-stream v0.1.9
[INFO] [stderr]    Compiling tokio-test v0.4.2
[INFO] [stderr]    Compiling futures-executor v0.3.21
[INFO] [stderr]    Compiling tower-test v0.4.0
[INFO] [stderr]    Compiling futures v0.3.21
[INFO] [stderr]    Compiling tower v0.4.13 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Sealed` is never used
[INFO] [stdout]    --> src/lib.rs:238:15
[INFO] [stdout]     |
[INFO] [stdout] 238 |     pub trait Sealed<T> {}
[INFO] [stdout]     |               ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.94s
[INFO] running `Command { std: "docker" "inspect" "c77d16e10e294e5e66a4b690a84f779e892cce27e051f164373a1c4be88a5e33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c77d16e10e294e5e66a4b690a84f779e892cce27e051f164373a1c4be88a5e33", kill_on_drop: false }`
[INFO] [stdout] c77d16e10e294e5e66a4b690a84f779e892cce27e051f164373a1c4be88a5e33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e3007e8b5e4bfcb5966d73b0ce401b09c651a26282df300b09af4e54f1504027
[INFO] running `Command { std: "docker" "start" "-a" "e3007e8b5e4bfcb5966d73b0ce401b09c651a26282df300b09af4e54f1504027", kill_on_drop: false }`
[INFO] [stderr] warning: trait `Sealed` is never used
[INFO] [stderr]    --> src/lib.rs:238:15
[INFO] [stderr]     |
[INFO] [stderr] 238 |     pub trait Sealed<T> {}
[INFO] [stderr]     |               ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tower` (lib) generated 1 warning
[INFO] [stderr] warning: `tower` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tower-6ee65eb633a46feb)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/balance/main.rs (/opt/rustwide/target/debug/deps/balance-41b7edc878036ab1)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/buffer/main.rs (/opt/rustwide/target/debug/deps/buffer-5f1695b13fe08515)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/builder.rs (/opt/rustwide/target/debug/deps/builder-6e6b08e6d5d1fd56)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/hedge/main.rs (/opt/rustwide/target/debug/deps/hedge-c10e0698d3050d03)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/limit/main.rs (/opt/rustwide/target/debug/deps/limit-95defb7a65c0ecb1)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/load_shed/main.rs (/opt/rustwide/target/debug/deps/load_shed-bf1dfd4c7672455a)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/ready_cache/main.rs (/opt/rustwide/target/debug/deps/ready_cache-75d00679b26424bf)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/retry/main.rs (/opt/rustwide/target/debug/deps/retry-fe0e7c4e88238d6d)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/spawn_ready/main.rs (/opt/rustwide/target/debug/deps/spawn_ready-1045e62e5928796c)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/steer/main.rs (/opt/rustwide/target/debug/deps/steer-5de1b2d947538dbb)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/support.rs (/opt/rustwide/target/debug/deps/support-b6a143622ef7e685)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/util/main.rs (/opt/rustwide/target/debug/deps/util-15925358b7aa98c9)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tower
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/builder/mod.rs - builder::ServiceBuilder<L>::check_clone (line 572) ... FAILED
[INFO] [stdout] test src/builder/mod.rs - builder::ServiceBuilder<L>::check_service_clone (line 606) ... FAILED
[INFO] [stdout] test src/builder/mod.rs - builder::ServiceBuilder (line 51) ... ok
[INFO] [stdout] test src/builder/mod.rs - builder::ServiceBuilder (line 72) ... ok
[INFO] [stdout] test src/builder/mod.rs - builder::ServiceBuilder (line 89) ... ok
[INFO] [stdout] test src/builder/mod.rs - builder::ServiceBuilder (line 30) ... ok
[INFO] [stdout] test src/builder/mod.rs - builder::ServiceBuilder<L>::check_service (line 644) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/builder/mod.rs - builder::ServiceBuilder<L>::check_clone (line 572) stdout ----
[INFO] [stdout] error[E0599]: no method named `map_request` found for struct `ServiceBuilder` in the current scope
[INFO] [stdout]  --> src/builder/mod.rs:578:6
[INFO] [stdout]   |
[INFO] [stdout] 7 |   let builder = ServiceBuilder::new()
[INFO] [stdout]   |  _______________-
[INFO] [stdout] 8 | |     // Do something before processing the request
[INFO] [stdout] 9 | |     .map_request(|request: String| {
[INFO] [stdout]   | |     -^^^^^^^^^^^ method not found in `ServiceBuilder<Identity>`
[INFO] [stdout]   | |_____|
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/builder/mod.rs - builder::ServiceBuilder<L>::check_service_clone (line 606) stdout ----
[INFO] [stdout] error[E0599]: no method named `map_request` found for struct `ServiceBuilder` in the current scope
[INFO] [stdout]   --> src/builder/mod.rs:615:6
[INFO] [stdout]    |
[INFO] [stdout] 10 |   let builder = ServiceBuilder::new()
[INFO] [stdout]    |  _______________-
[INFO] [stdout] 11 | |     // Do something before processing the request
[INFO] [stdout] 12 | |     .map_request(|request: String| {
[INFO] [stdout]    | |     -^^^^^^^^^^^ method not found in `ServiceBuilder<Identity>`
[INFO] [stdout]    | |_____|
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/builder/mod.rs - builder::ServiceBuilder<L>::check_service (line 644) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `tower::ServiceExt`
[INFO] [stdout]    --> src/builder/mod.rs:648:22
[INFO] [stdout]     |
[INFO] [stdout]   7 | use tower::{Service, ServiceExt};
[INFO] [stdout]     |                      ^^^^^^^^^^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      no `ServiceExt` in the root
[INFO] [stdout]     |                      help: a similar name exists in the module: `Service`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:223:34
[INFO] [stdout]     |
[INFO] [stdout] 220 | #[cfg(feature = "util")]
[INFO] [stdout]     |       ---------------- the item is gated behind the `util` feature
[INFO] [stdout] ...
[INFO] [stdout] 223 | pub use self::util::{service_fn, ServiceExt};
[INFO] [stdout]     |                                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `futures_util`
[INFO] [stdout]   --> src/builder/mod.rs:656:17
[INFO] [stdout]    |
[INFO] [stdout] 15 |   type Future = futures_util::future::Ready<Result<Response, Error>>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^ use of unresolved module or unlinked crate `futures_util`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `futures_util`, use `cargo add futures_util` to add it to your `Cargo.toml`
[INFO] [stdout] help: consider importing one of these modules
[INFO] [stdout]    |
[INFO] [stdout]  2 + use std::future;
[INFO] [stdout]    |
[INFO] [stdout]  2 + use futures::future;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `future`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 15 -   type Future = futures_util::future::Ready<Result<Response, Error>>;
[INFO] [stdout] 15 +   type Future = future::Ready<Result<Response, Error>>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `map_response` found for struct `ServiceBuilder` in the current scope
[INFO] [stdout]   --> src/builder/mod.rs:680:6
[INFO] [stdout]    |
[INFO] [stdout] 34 |   let builder = ServiceBuilder::new()
[INFO] [stdout]    |  _______________-
[INFO] [stdout] 35 | |     // At this point in the builder if given a `MyService` it produces a service that
[INFO] [stdout] 36 | |     // accepts `Request`s, produces `Response`s, and fails with `Error`s
[INFO] [stdout] 37 | |     .check_service::<MyService, Request, Response, Error>()
[INFO] [stdout] 38 | |     // Wrap responses in `WrappedResponse`
[INFO] [stdout] 39 | |     .map_response(|response: Response| WrappedResponse(response))
[INFO] [stdout]    | |     -^^^^^^^^^^^^ method not found in `ServiceBuilder<Identity>`
[INFO] [stdout]    | |_____|
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/builder/mod.rs - builder::ServiceBuilder<L>::check_clone (line 572)
[INFO] [stdout]     src/builder/mod.rs - builder::ServiceBuilder<L>::check_service (line 644)
[INFO] [stdout]     src/builder/mod.rs - builder::ServiceBuilder<L>::check_service_clone (line 606)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 4 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "e3007e8b5e4bfcb5966d73b0ce401b09c651a26282df300b09af4e54f1504027", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3007e8b5e4bfcb5966d73b0ce401b09c651a26282df300b09af4e54f1504027", kill_on_drop: false }`
[INFO] [stdout] e3007e8b5e4bfcb5966d73b0ce401b09c651a26282df300b09af4e54f1504027
