[INFO] fetching crate erkpht-tower 0.3.2...
[INFO] testing erkpht-tower-0.3.2 against beta-2024-12-08 for beta-1.84.0-4-retry
[INFO] extracting crate erkpht-tower 0.3.2 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate erkpht-tower 0.3.2 on toolchain beta-2024-12-08
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-12-08" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 106 packages to latest compatible versions
[INFO] [stderr]       Adding hdrhistogram v6.3.4 (available: v7.5.4)
[INFO] [stderr]       Adding indexmap v1.9.3 (available: v2.7.0)
[INFO] [stderr]       Adding pin-project v0.4.30 (available: v1.1.7)
[INFO] [stderr]       Adding quickcheck v0.6.2 (available: v1.0.3)
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.8.5)
[INFO] [stderr]       Adding tokio v0.2.25 (available: v1.42.0)
[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: v0.3.19)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-12-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 733a19c2fb1dabe37be65e2bd30d35b8dff09262f2daea39acfb5fa9cd64f54a
[INFO] running `Command { std: "docker" "start" "-a" "733a19c2fb1dabe37be65e2bd30d35b8dff09262f2daea39acfb5fa9cd64f54a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "733a19c2fb1dabe37be65e2bd30d35b8dff09262f2daea39acfb5fa9cd64f54a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "733a19c2fb1dabe37be65e2bd30d35b8dff09262f2daea39acfb5fa9cd64f54a", kill_on_drop: false }`
[INFO] [stdout] 733a19c2fb1dabe37be65e2bd30d35b8dff09262f2daea39acfb5fa9cd64f54a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b806abc10ff4f7d23aa0b06ea95022ae0fb881290e991c6b7eb6db698c133381
[INFO] running `Command { std: "docker" "start" "-a" "b806abc10ff4f7d23aa0b06ea95022ae0fb881290e991c6b7eb6db698c133381", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling pin-project-internal v0.4.30
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling pin-project-lite v0.2.15
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling tower-service v0.3.3
[INFO] [stderr]    Compiling tower-layer v0.3.3
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[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 17.90s
[INFO] running `Command { std: "docker" "inspect" "b806abc10ff4f7d23aa0b06ea95022ae0fb881290e991c6b7eb6db698c133381", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b806abc10ff4f7d23aa0b06ea95022ae0fb881290e991c6b7eb6db698c133381", kill_on_drop: false }`
[INFO] [stdout] b806abc10ff4f7d23aa0b06ea95022ae0fb881290e991c6b7eb6db698c133381
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab17e8c758f1c3836f7258b4006eb7879d3b5ace6c96af63f4294c92f47b62bf
[INFO] running `Command { std: "docker" "start" "-a" "ab17e8c758f1c3836f7258b4006eb7879d3b5ace6c96af63f4294c92f47b62bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling libc v0.2.168
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling miniz_oxide v0.8.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling iana-time-zone v0.1.61
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling chrono v0.4.39
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling tokio-test v0.2.1
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling flate2 v1.0.35
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling tracing-log v0.1.4
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling tower-test v0.3.0
[INFO] [stderr]    Compiling quickcheck v0.6.2
[INFO] [stderr]    Compiling hdrhistogram v6.3.4
[INFO] [stderr]    Compiling regex v1.11.1
[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 40.73s
[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" "ab17e8c758f1c3836f7258b4006eb7879d3b5ace6c96af63f4294c92f47b62bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab17e8c758f1c3836f7258b4006eb7879d3b5ace6c96af63f4294c92f47b62bf", kill_on_drop: false }`
[INFO] [stdout] ab17e8c758f1c3836f7258b4006eb7879d3b5ace6c96af63f4294c92f47b62bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5dccb2676cda2a68066172a9b7ebd87552a9a2841458640376e21577a6bf85cb
[INFO] running `Command { std: "docker" "start" "-a" "5dccb2676cda2a68066172a9b7ebd87552a9a2841458640376e21577a6bf85cb", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[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-ec24d5856f52e1c4)
[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-081a48df8323d9fd)
[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-1b49ff0815ccfc2f)
[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-259b9eba2880548e)
[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-ca79a89fd33df0d6)
[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-f46dd583dc0ef730)
[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-56cf7d665cb1b651)
[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-2ac9093da13a5098)
[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-662ee25e7d208a09)
[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-6765c49d14e5e932)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/spawn_ready/main.rs (/opt/rustwide/target/debug/deps/spawn_ready-d1869c606f4552ee)
[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/steer/main.rs (/opt/rustwide/target/debug/deps/steer-a8f0a640c8b0ce1f)
[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-8fbbe0af400b0913)
[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] [stderr]    Doc-tests erkpht_tower
[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 73) ... FAILED
[INFO] [stdout] test src/builder/mod.rs - builder::ServiceBuilder (line 52) ... 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 undeclared crate or module `tower`
[INFO] [stdout]  --> src/builder/mod.rs:35:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tower::builder::ServiceBuilder;
[INFO] [stdout]   |     ^^^^^ use of undeclared crate or module `tower`
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `tower`
[INFO] [stdout]  --> src/builder/mod.rs:34:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tower::Service;
[INFO] [stdout]   |     ^^^^^ use of undeclared crate or module `tower`
[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 undeclared crate or module `tower`
[INFO] [stdout]  --> src/builder/mod.rs:92:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tower::builder::ServiceBuilder;
[INFO] [stdout]   |     ^^^^^ use of undeclared crate or module `tower`
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `tower`
[INFO] [stdout]  --> src/builder/mod.rs:91:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tower::Service;
[INFO] [stdout]   |     ^^^^^ use of undeclared crate or module `tower`
[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 undeclared crate or module `tower`
[INFO] [stdout]  --> src/builder/mod.rs:75:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tower::builder::ServiceBuilder;
[INFO] [stdout]   |     ^^^^^ use of undeclared crate or module `tower`
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `tower`
[INFO] [stdout]  --> src/builder/mod.rs:74:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tower::Service;
[INFO] [stdout]   |     ^^^^^ use of undeclared crate or module `tower`
[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 undeclared crate or module `tower`
[INFO] [stdout]  --> src/builder/mod.rs:54:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tower::builder::ServiceBuilder;
[INFO] [stdout]   |     ^^^^^ use of undeclared crate or module `tower`
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `tower`
[INFO] [stdout]  --> src/builder/mod.rs:53:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tower::Service;
[INFO] [stdout]   |     ^^^^^ use of undeclared crate or module `tower`
[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 0.19s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "5dccb2676cda2a68066172a9b7ebd87552a9a2841458640376e21577a6bf85cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dccb2676cda2a68066172a9b7ebd87552a9a2841458640376e21577a6bf85cb", kill_on_drop: false }`
[INFO] [stdout] 5dccb2676cda2a68066172a9b7ebd87552a9a2841458640376e21577a6bf85cb
