[INFO] fetching crate erkpht-tower 0.3.2...
[INFO] testing erkpht-tower-0.3.2 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate erkpht-tower 0.3.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate erkpht-tower 0.3.2
[INFO] finished tweaking crates.io crate erkpht-tower 0.3.2
[INFO] tweaked toml for crates.io crate erkpht-tower 0.3.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate erkpht-tower 0.3.2 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 103 packages to latest compatible versions
[INFO] [stderr]       Adding hdrhistogram v6.3.4 (available: v7.5.4)
[INFO] [stderr]       Adding indexmap v1.9.3 (available: v2.12.0)
[INFO] [stderr]       Adding pin-project v0.4.30 (available: v1.1.10)
[INFO] [stderr]       Adding quickcheck v0.6.2 (available: v1.0.3)
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.9.2)
[INFO] [stderr]       Adding tokio v0.2.25 (available: v1.48.0)
[INFO] [stderr]       Adding tokio-test v0.2.1 (available: v0.4.4)
[INFO] [stderr]       Adding tower-test v0.3.0 (available: v0.4.0)
[INFO] [stderr]       Adding tracing-subscriber v0.1.6 (available: v0.3.20)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pin-project v0.4.30
[INFO] [stderr]   Downloaded tower-test v0.3.0
[INFO] [stderr]   Downloaded pin-project-internal v0.4.30
[INFO] [stderr]   Downloaded tokio-test v0.2.1
[INFO] [stderr]   Downloaded matchers v0.0.1
[INFO] [stderr]   Downloaded tracing-subscriber v0.1.6
[INFO] [stderr]   Downloaded crossbeam-channel v0.3.9
[INFO] [stderr]   Downloaded hdrhistogram v6.3.4
[INFO] [stderr]   Downloaded quickcheck v0.6.2
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 062fa8eed42285f4778b2540e40e01727f6fe0c7b935c9fb4676a7169123a49f
[INFO] running `Command { std: "docker" "start" "-a" "062fa8eed42285f4778b2540e40e01727f6fe0c7b935c9fb4676a7169123a49f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "062fa8eed42285f4778b2540e40e01727f6fe0c7b935c9fb4676a7169123a49f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "062fa8eed42285f4778b2540e40e01727f6fe0c7b935c9fb4676a7169123a49f", kill_on_drop: false }`
[INFO] [stdout] 062fa8eed42285f4778b2540e40e01727f6fe0c7b935c9fb4676a7169123a49f
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55204d088412d3481d7c94f2e6405572976214fc6f4645b038058aacee8b3625
[INFO] running `Command { std: "docker" "start" "-a" "55204d088412d3481d7c94f2e6405572976214fc6f4645b038058aacee8b3625", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling pin-project-internal v0.4.30
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling pin-project v0.4.30
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling erkpht-tower v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.52s
[INFO] running `Command { std: "docker" "inspect" "55204d088412d3481d7c94f2e6405572976214fc6f4645b038058aacee8b3625", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55204d088412d3481d7c94f2e6405572976214fc6f4645b038058aacee8b3625", kill_on_drop: false }`
[INFO] [stdout] 55204d088412d3481d7c94f2e6405572976214fc6f4645b038058aacee8b3625
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2eb6554bd274675de4c7de17374ecc8327d1713d8c9da3a748b28d200dbd70af
[INFO] running `Command { std: "docker" "start" "-a" "2eb6554bd274675de4c7de17374ecc8327d1713d8c9da3a748b28d200dbd70af", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling tracing-log v0.1.4
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling quickcheck v0.6.2
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling flate2 v1.1.5
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling hdrhistogram v6.3.4
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling tokio-test v0.2.1
[INFO] [stderr]    Compiling tower-test v0.3.0
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling tracing-subscriber v0.1.6
[INFO] [stderr]    Compiling erkpht-tower v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 8.45s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: hdrhistogram v6.3.4, nom v4.2.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "2eb6554bd274675de4c7de17374ecc8327d1713d8c9da3a748b28d200dbd70af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2eb6554bd274675de4c7de17374ecc8327d1713d8c9da3a748b28d200dbd70af", kill_on_drop: false }`
[INFO] [stdout] 2eb6554bd274675de4c7de17374ecc8327d1713d8c9da3a748b28d200dbd70af
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 95c355e7b237ac64fb488d22d05408ba1e595fbc78bae03b477af18f42fe8d9d
[INFO] running `Command { std: "docker" "start" "-a" "95c355e7b237ac64fb488d22d05408ba1e595fbc78bae03b477af18f42fe8d9d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: hdrhistogram v6.3.4, nom v4.2.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/erkpht_tower-f30005df52295aab)
[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-28a110cbb7933054)
[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-6b4872d914aa5ce7)
[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-953451b18537d803)
[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/filter/main.rs (/opt/rustwide/target/debug/deps/filter-eed2efc4ac824529)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/hedge/main.rs (/opt/rustwide/target/debug/deps/hedge-8108f89ffd273132)
[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] [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-a5e4ad22975d3237)
[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-04bae22a3872e448)
[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-319a70c5c1356827)
[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-93debc1af573d948)
[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-ee1345a705e2e1dd)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/steer/main.rs (/opt/rustwide/target/debug/deps/steer-c92e8744797b04c0)
[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] [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-b4f5d7782b9e6465)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests erkpht_tower
[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] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/builder/mod.rs - builder::ServiceBuilder (line 31) ... FAILED
[INFO] [stdout] test src/builder/mod.rs - builder::ServiceBuilder (line 90) ... FAILED
[INFO] [stdout] test src/builder/mod.rs - builder::ServiceBuilder (line 52) ... FAILED
[INFO] [stdout] test src/builder/mod.rs - builder::ServiceBuilder (line 73) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/builder/mod.rs - builder::ServiceBuilder (line 31) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `tower`
[INFO] [stdout]   --> src/builder/mod.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | use tower::builder::ServiceBuilder;
[INFO] [stdout]    |     ^^^^^ use of unresolved module or unlinked crate `tower`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `tower`, use `cargo add tower` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `tower`
[INFO] [stdout]   --> src/builder/mod.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | use tower::Service;
[INFO] [stdout]    |     ^^^^^ use of unresolved module or unlinked crate `tower`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `tower`, use `cargo add tower` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/builder/mod.rs - builder::ServiceBuilder (line 90) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `tower`
[INFO] [stdout]   --> src/builder/mod.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 92 | use tower::builder::ServiceBuilder;
[INFO] [stdout]    |     ^^^^^ use of unresolved module or unlinked crate `tower`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `tower`, use `cargo add tower` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `tower`
[INFO] [stdout]   --> src/builder/mod.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 91 | use tower::Service;
[INFO] [stdout]    |     ^^^^^ use of unresolved module or unlinked crate `tower`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `tower`, use `cargo add tower` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/builder/mod.rs - builder::ServiceBuilder (line 52) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `tower`
[INFO] [stdout]   --> src/builder/mod.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | use tower::builder::ServiceBuilder;
[INFO] [stdout]    |     ^^^^^ use of unresolved module or unlinked crate `tower`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `tower`, use `cargo add tower` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `tower`
[INFO] [stdout]   --> src/builder/mod.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 | use tower::Service;
[INFO] [stdout]    |     ^^^^^ use of unresolved module or unlinked crate `tower`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `tower`, use `cargo add tower` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/builder/mod.rs - builder::ServiceBuilder (line 73) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `tower`
[INFO] [stdout]   --> src/builder/mod.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 | use tower::builder::ServiceBuilder;
[INFO] [stdout]    |     ^^^^^ use of unresolved module or unlinked crate `tower`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `tower`, use `cargo add tower` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `tower`
[INFO] [stdout]   --> src/builder/mod.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 | use tower::Service;
[INFO] [stdout]    |     ^^^^^ use of unresolved module or unlinked crate `tower`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `tower`, use `cargo add tower` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[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 (line 31)
[INFO] [stdout]     src/builder/mod.rs - builder::ServiceBuilder (line 52)
[INFO] [stdout]     src/builder/mod.rs - builder::ServiceBuilder (line 73)
[INFO] [stdout]     src/builder/mod.rs - builder::ServiceBuilder (line 90)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "95c355e7b237ac64fb488d22d05408ba1e595fbc78bae03b477af18f42fe8d9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95c355e7b237ac64fb488d22d05408ba1e595fbc78bae03b477af18f42fe8d9d", kill_on_drop: false }`
[INFO] [stdout] 95c355e7b237ac64fb488d22d05408ba1e595fbc78bae03b477af18f42fe8d9d
