[INFO] fetching crate tower-layer 0.3.3...
[INFO] testing tower-layer-0.3.3 against master#1ef7943ee607160a564655b6596f83670ef95df5 for pr-146098-6
[INFO] extracting crate tower-layer 0.3.3 into /workspace/builds/worker-0-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-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tower-layer 0.3.3 on toolchain 1ef7943ee607160a564655b6596f83670ef95df5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "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" "+1ef7943ee607160a564655b6596f83670ef95df5" "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" "+1ef7943ee607160a564655b6596f83670ef95df5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c64c147c20c5ccfce6dab26df6e18fb664314245d4c90ed0d9923ebd2fab826
[INFO] running `Command { std: "docker" "start" "-a" "7c64c147c20c5ccfce6dab26df6e18fb664314245d4c90ed0d9923ebd2fab826", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c64c147c20c5ccfce6dab26df6e18fb664314245d4c90ed0d9923ebd2fab826", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c64c147c20c5ccfce6dab26df6e18fb664314245d4c90ed0d9923ebd2fab826", kill_on_drop: false }`
[INFO] [stdout] 7c64c147c20c5ccfce6dab26df6e18fb664314245d4c90ed0d9923ebd2fab826
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1ef7943ee607160a564655b6596f83670ef95df5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe210b349b764cc2e5fd47d18da0f8aa79ba15544ba8d92acd832e035f8777f8
[INFO] running `Command { std: "docker" "start" "-a" "fe210b349b764cc2e5fd47d18da0f8aa79ba15544ba8d92acd832e035f8777f8", 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 0.34s
[INFO] running `Command { std: "docker" "inspect" "fe210b349b764cc2e5fd47d18da0f8aa79ba15544ba8d92acd832e035f8777f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe210b349b764cc2e5fd47d18da0f8aa79ba15544ba8d92acd832e035f8777f8", kill_on_drop: false }`
[INFO] [stdout] fe210b349b764cc2e5fd47d18da0f8aa79ba15544ba8d92acd832e035f8777f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 971d2f98d35dc25bb4e5b7c5deec1cce1ceb8326f4a82c3d8532fdd4108eae0f
[INFO] running `Command { std: "docker" "start" "-a" "971d2f98d35dc25bb4e5b7c5deec1cce1ceb8326f4a82c3d8532fdd4108eae0f", 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 0.59s
[INFO] running `Command { std: "docker" "inspect" "971d2f98d35dc25bb4e5b7c5deec1cce1ceb8326f4a82c3d8532fdd4108eae0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "971d2f98d35dc25bb4e5b7c5deec1cce1ceb8326f4a82c3d8532fdd4108eae0f", kill_on_drop: false }`
[INFO] [stdout] 971d2f98d35dc25bb4e5b7c5deec1cce1ceb8326f4a82c3d8532fdd4108eae0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b0104dd015976311ad07d7ab79513c1f9fcb5fcd5f569ab4c42fcec57902edd3
[INFO] running `Command { std: "docker" "start" "-a" "b0104dd015976311ad07d7ab79513c1f9fcb5fcd5f569ab4c42fcec57902edd3", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tower_layer-939a082918bc8afb)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test layer_fn::tests::layer_fn_has_useful_debug_impl ... ok
[INFO] [stderr]    Doc-tests tower_layer
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/layer_fn.rs - layer_fn::layer_fn (line 14) ... FAILED
[INFO] [stdout] test src/lib.rs - Layer (line 42) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[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] 5 | 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] 26 |     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] 26 -     fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
[INFO] [stdout] 26 +     fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), <LogService<S> as TryFrom>::Error>> {
[INFO] [stdout]    |
[INFO] [stdout] 26 -     fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
[INFO] [stdout] 26 +     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] 30 |     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] 30 -     fn call(&mut self, request: Request) -> Self::Future {
[INFO] [stdout] 30 +     fn call(&mut self, request: Request) -> <LogService<S> as Example>::Future {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `tower`
[INFO] [stdout]   --> src/layer_fn.rs:58:25
[INFO] [stdout]    |
[INFO] [stdout] 47 | 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] ---- 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] 5 | 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] 40 |     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] 40 -     fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
[INFO] [stdout] 40 +     fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), <LogService<S> as TryFrom>::Error>> {
[INFO] [stdout]    |
[INFO] [stdout] 40 -     fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
[INFO] [stdout] 40 +     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] 44 |     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] 44 -     fn call(&mut self, request: Request) -> Self::Future {
[INFO] [stdout] 44 +     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] 
[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 0.18s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "b0104dd015976311ad07d7ab79513c1f9fcb5fcd5f569ab4c42fcec57902edd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0104dd015976311ad07d7ab79513c1f9fcb5fcd5f569ab4c42fcec57902edd3", kill_on_drop: false }`
[INFO] [stdout] b0104dd015976311ad07d7ab79513c1f9fcb5fcd5f569ab4c42fcec57902edd3
