[INFO] fetching crate tower-layer 0.3.3...
[INFO] testing tower-layer-0.3.3 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate tower-layer 0.3.3 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate tower-layer 0.3.3
[INFO] finished tweaking crates.io crate tower-layer 0.3.3
[INFO] tweaked toml for crates.io crate tower-layer 0.3.3 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tower-layer 0.3.3 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb2b9b622b02521f1f3acf7e7ad05f282ca2611dd14a69df450d33533552e2d6
[INFO] running `Command { std: "docker" "start" "-a" "cb2b9b622b02521f1f3acf7e7ad05f282ca2611dd14a69df450d33533552e2d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb2b9b622b02521f1f3acf7e7ad05f282ca2611dd14a69df450d33533552e2d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb2b9b622b02521f1f3acf7e7ad05f282ca2611dd14a69df450d33533552e2d6", kill_on_drop: false }`
[INFO] [stdout] cb2b9b622b02521f1f3acf7e7ad05f282ca2611dd14a69df450d33533552e2d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a25a05c8b03b2b36e8088e96c929543ef5659f7ebe936bddc375d15675bed76
[INFO] running `Command { std: "docker" "start" "-a" "4a25a05c8b03b2b36e8088e96c929543ef5659f7ebe936bddc375d15675bed76", kill_on_drop: false }`
[INFO] [stderr]    Compiling tower-layer v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "4a25a05c8b03b2b36e8088e96c929543ef5659f7ebe936bddc375d15675bed76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a25a05c8b03b2b36e8088e96c929543ef5659f7ebe936bddc375d15675bed76", kill_on_drop: false }`
[INFO] [stdout] 4a25a05c8b03b2b36e8088e96c929543ef5659f7ebe936bddc375d15675bed76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a5c45ecd56a2029744913f1144a0749db78b32de0bf5466e9daaf0fe4c5929a
[INFO] running `Command { std: "docker" "start" "-a" "0a5c45ecd56a2029744913f1144a0749db78b32de0bf5466e9daaf0fe4c5929a", kill_on_drop: false }`
[INFO] [stderr]    Compiling tower-layer v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "0a5c45ecd56a2029744913f1144a0749db78b32de0bf5466e9daaf0fe4c5929a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a5c45ecd56a2029744913f1144a0749db78b32de0bf5466e9daaf0fe4c5929a", kill_on_drop: false }`
[INFO] [stdout] 0a5c45ecd56a2029744913f1144a0749db78b32de0bf5466e9daaf0fe4c5929a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b2f16c5c93406b75b5988190c745a1c7e500171ca256720cc5b8167c2213d108
[INFO] running `Command { std: "docker" "start" "-a" "b2f16c5c93406b75b5988190c745a1c7e500171ca256720cc5b8167c2213d108", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tower_layer-85a89bdc728be80a)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test layer_fn::tests::layer_fn_has_useful_debug_impl ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tower_layer
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - Layer (line 42) ... FAILED
[INFO] [stdout] test src/layer_fn.rs - layer_fn::layer_fn (line 14) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Layer (line 42) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `tower_service`
[INFO] [stdout]   --> src/lib.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | use tower_service::Service;
[INFO] [stdout]    |     ^^^^^^^^^^^^^ use of unresolved module or unlinked crate `tower_service`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `tower_service`, use `cargo add tower_service` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0223]: ambiguous associated type
[INFO] [stdout]   --> src/lib.rs:79:71
[INFO] [stdout]    |
[INFO] [stdout] 79 |     fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
[INFO] [stdout]    |                                                                       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use fully-qualified syntax
[INFO] [stdout]    |
[INFO] [stdout] 79 -     fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
[INFO] [stdout] 79 +     fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), <LogService<S> as TryFrom>::Error>> {
[INFO] [stdout]    |
[INFO] [stdout] 79 -     fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
[INFO] [stdout] 79 +     fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), <LogService<S> as TryInto>::Error>> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0223]: ambiguous associated type
[INFO] [stdout]   --> src/lib.rs:83:45
[INFO] [stdout]    |
[INFO] [stdout] 83 |     fn call(&mut self, request: Request) -> Self::Future {
[INFO] [stdout]    |                                             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if there were a trait named `Example` with associated type `Future` implemented for `LogService<S>`, you could use the fully-qualified path
[INFO] [stdout]    |
[INFO] [stdout] 83 -     fn call(&mut self, request: Request) -> Self::Future {
[INFO] [stdout] 83 +     fn call(&mut self, request: Request) -> <LogService<S> as Example>::Future {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0223, E0432.
[INFO] [stdout] For more information about an error, try `rustc --explain E0223`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/layer_fn.rs - layer_fn::layer_fn (line 14) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `tower`
[INFO] [stdout]   --> src/layer_fn.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | 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[E0223]: ambiguous associated type
[INFO] [stdout]   --> src/layer_fn.rs:37:71
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
[INFO] [stdout]    |                                                                       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use fully-qualified syntax
[INFO] [stdout]    |
[INFO] [stdout] 37 -     fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
[INFO] [stdout] 37 +     fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), <LogService<S> as TryFrom>::Error>> {
[INFO] [stdout]    |
[INFO] [stdout] 37 -     fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
[INFO] [stdout] 37 +     fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), <LogService<S> as TryInto>::Error>> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0223]: ambiguous associated type
[INFO] [stdout]   --> src/layer_fn.rs:41:45
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn call(&mut self, request: Request) -> Self::Future {
[INFO] [stdout]    |                                             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if there were a trait named `Example` with associated type `Future` implemented for `LogService<S>`, you could use the fully-qualified path
[INFO] [stdout]    |
[INFO] [stdout] 41 -     fn call(&mut self, request: Request) -> Self::Future {
[INFO] [stdout] 41 +     fn call(&mut self, request: Request) -> <LogService<S> as Example>::Future {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `tower` in this scope
[INFO] [stdout]   --> src/layer_fn.rs:58:25
[INFO] [stdout]    |
[INFO] [stdout] 58 | let uppercase_service = tower::service_fn(|request: String| async move {
[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 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0223, E0432, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0223`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/layer_fn.rs - layer_fn::layer_fn (line 14)
[INFO] [stdout]     src/lib.rs - Layer (line 42)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "b2f16c5c93406b75b5988190c745a1c7e500171ca256720cc5b8167c2213d108", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2f16c5c93406b75b5988190c745a1c7e500171ca256720cc5b8167c2213d108", kill_on_drop: false }`
[INFO] [stdout] b2f16c5c93406b75b5988190c745a1c7e500171ca256720cc5b8167c2213d108
