[INFO] fetching crate tower-async-layer 0.2.0...
[INFO] testing tower-async-layer-0.2.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate tower-async-layer 0.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate tower-async-layer 0.2.0
[INFO] finished tweaking crates.io crate tower-async-layer 0.2.0
[INFO] tweaked toml for crates.io crate tower-async-layer 0.2.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tower-async-layer 0.2.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f01f976527277f9ab89a1be5a0c72f9b6248b422ab56c0c037624d3434de412
[INFO] running `Command { std: "docker" "start" "-a" "5f01f976527277f9ab89a1be5a0c72f9b6248b422ab56c0c037624d3434de412", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f01f976527277f9ab89a1be5a0c72f9b6248b422ab56c0c037624d3434de412", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f01f976527277f9ab89a1be5a0c72f9b6248b422ab56c0c037624d3434de412", kill_on_drop: false }`
[INFO] [stdout] 5f01f976527277f9ab89a1be5a0c72f9b6248b422ab56c0c037624d3434de412
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6cfc4b81404dccb50f44ad584a7dfd311da3e291dac3fb282af216d857fe1d8
[INFO] running `Command { std: "docker" "start" "-a" "a6cfc4b81404dccb50f44ad584a7dfd311da3e291dac3fb282af216d857fe1d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling tower-async-layer v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "a6cfc4b81404dccb50f44ad584a7dfd311da3e291dac3fb282af216d857fe1d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6cfc4b81404dccb50f44ad584a7dfd311da3e291dac3fb282af216d857fe1d8", kill_on_drop: false }`
[INFO] [stdout] a6cfc4b81404dccb50f44ad584a7dfd311da3e291dac3fb282af216d857fe1d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbc3d0d823ae7c8f09e90ee01d296f8a678768ae584ce307ec559c590d85a294
[INFO] running `Command { std: "docker" "start" "-a" "cbc3d0d823ae7c8f09e90ee01d296f8a678768ae584ce307ec559c590d85a294", kill_on_drop: false }`
[INFO] [stderr]    Compiling tower-async-layer v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "cbc3d0d823ae7c8f09e90ee01d296f8a678768ae584ce307ec559c590d85a294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbc3d0d823ae7c8f09e90ee01d296f8a678768ae584ce307ec559c590d85a294", kill_on_drop: false }`
[INFO] [stdout] cbc3d0d823ae7c8f09e90ee01d296f8a678768ae584ce307ec559c590d85a294
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4d8449f887953740bd69fcd57f5231668c52feec532f5690e8f8093a5ffd6c2f
[INFO] running `Command { std: "docker" "start" "-a" "4d8449f887953740bd69fcd57f5231668c52feec532f5690e8f8093a5ffd6c2f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tower_async_layer-3f721df4819bf021)
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests tower_async_layer
[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] [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_async`
[INFO] [stdout]   --> src/layer_fn.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use tower_async::Service;
[INFO] [stdout]    |     ^^^^^^^^^^^ use of unresolved module or unlinked crate `tower_async`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `tower_async`, use `cargo add tower_async` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `tower_async` in this scope
[INFO] [stdout]   --> src/layer_fn.rs:53:25
[INFO] [stdout]    |
[INFO] [stdout] 53 | let uppercase_service = tower_async::service_fn(|request: String| async move {
[INFO] [stdout]    |                         ^^^^^^^^^^^ use of unresolved module or unlinked crate `tower_async`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `tower_async`, use `cargo add tower_async` 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/lib.rs - Layer (line 42) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `tower_async_service`
[INFO] [stdout]   --> src/lib.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | use tower_async_service::Service;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `tower_async_service`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `tower_async_service`, use `cargo add tower_async_service` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[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 0.14s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "4d8449f887953740bd69fcd57f5231668c52feec532f5690e8f8093a5ffd6c2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d8449f887953740bd69fcd57f5231668c52feec532f5690e8f8093a5ffd6c2f", kill_on_drop: false }`
[INFO] [stdout] 4d8449f887953740bd69fcd57f5231668c52feec532f5690e8f8093a5ffd6c2f