[INFO] fetching crate merfolk_middleware_router 0.1.0...
[INFO] checking merfolk_middleware_router-0.1.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate merfolk_middleware_router 0.1.0 into /workspace/builds/worker-103/source
[INFO] validating manifest of crates.io crate merfolk_middleware_router 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate merfolk_middleware_router 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate merfolk_middleware_router 0.1.0
[INFO] tweaked toml for crates.io crate merfolk_middleware_router 0.1.0 written to /workspace/builds/worker-103/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded spin v0.7.1
[INFO] [stderr]   Downloaded merfolk v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62b775cb2e8b16746177b0546860f6da9b8bbca8accade1420831e3c8e34888f
[INFO] running `Command { std: "docker" "start" "-a" "62b775cb2e8b16746177b0546860f6da9b8bbca8accade1420831e3c8e34888f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62b775cb2e8b16746177b0546860f6da9b8bbca8accade1420831e3c8e34888f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62b775cb2e8b16746177b0546860f6da9b8bbca8accade1420831e3c8e34888f", kill_on_drop: false }`
[INFO] [stdout] 62b775cb2e8b16746177b0546860f6da9b8bbca8accade1420831e3c8e34888f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc4e6c57956cd464ba8a36a4f33b6610cdc35236291c4f806886e17d5458c666
[INFO] running `Command { std: "docker" "start" "-a" "dc4e6c57956cd464ba8a36a4f33b6610cdc35236291c4f806886e17d5458c666", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]     Checking ppv-lite86 v0.2.14
[INFO] [stderr]     Checking spin v0.7.1
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling darling_core v0.12.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling darling_macro v0.12.4
[INFO] [stderr]    Compiling darling v0.12.4
[INFO] [stderr]    Compiling derive_builder_core v0.10.2
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]    Compiling derive_builder_macro v0.10.2
[INFO] [stderr]     Checking derive_builder v0.10.2
[INFO] [stderr]     Checking merfolk v0.1.4
[INFO] [stderr]     Checking merfolk_middleware_router v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved imports `tokio::sync::mpsc`, `tokio::sync::mpsc`
[INFO] [stdout]   --> test/tests.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     mpsc,
[INFO] [stdout]    |     ^^^^ no `mpsc` in `sync`
[INFO] [stdout] 11 |     mpsc::{Receiver, Sender},
[INFO] [stdout]    |     ^^^^ could not find `mpsc` in `sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `merfolk_frontend_register`
[INFO] [stdout]   --> test/tests.rs:14:25
[INFO] [stdout]    |
[INFO] [stdout] 14 |   let register_caller = merfolk_frontend_register::Register::builder().build().unwrap();
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^ use of undeclared crate or module `merfolk_frontend_register`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `merfolk_frontend_register`
[INFO] [stdout]   --> test/tests.rs:15:27
[INFO] [stdout]    |
[INFO] [stdout] 15 |   let register_receiver = merfolk_frontend_register::Register::builder().build().unwrap();
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^ use of undeclared crate or module `merfolk_frontend_register`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `merfolk_backend_in_process`
[INFO] [stdout]   --> test/tests.rs:20:27
[INFO] [stdout]    |
[INFO] [stdout] 20 |   let (to, from): (Sender<merfolk_backend_in_process::InProcessChannel>, Receiver<merfolk_backend_in_process::InProcessChannel>) = mpsc::...
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^ use of undeclared crate or module `merfolk_backend_in_process`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `merfolk_backend_in_process`
[INFO] [stdout]   --> test/tests.rs:20:83
[INFO] [stdout]    |
[INFO] [stdout] 20 | ...essChannel>, Receiver<merfolk_backend_in_process::InProcessChannel>) = mpsc::channel(1);
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^ use of undeclared crate or module `merfolk_backend_in_process`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `merfolk_backend_in_process`
[INFO] [stdout]   --> test/tests.rs:26:14
[INFO] [stdout]    |
[INFO] [stdout] 26 |     .backend(merfolk_backend_in_process::InProcess::builder().to(to).build().unwrap())
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^ use of undeclared crate or module `merfolk_backend_in_process`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `merfolk_middleware_authentication`
[INFO] [stdout]   --> test/tests.rs:28:23
[INFO] [stdout]    |
[INFO] [stdout] 28 |     .middlewares(vec![merfolk_middleware_authentication::Authentication::builder().auth((auth.0, auth.1)).build_boxed().unwrap()])
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ use of undeclared crate or module `merfolk_middleware_authentication`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `merfolk_backend_in_process`
[INFO] [stdout]   --> test/tests.rs:33:14
[INFO] [stdout]    |
[INFO] [stdout] 33 |     .backend(merfolk_backend_in_process::InProcess::builder().from(from).build().unwrap())
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^ use of undeclared crate or module `merfolk_backend_in_process`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `merfolk_middleware_authentication`
[INFO] [stdout]   --> test/tests.rs:40:7
[INFO] [stdout]    |
[INFO] [stdout] 40 |       merfolk_middleware_authentication::Authentication::builder()
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ use of undeclared crate or module `merfolk_middleware_authentication`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: module `sync` is private
[INFO] [stdout]    --> test/tests.rs:9:14
[INFO] [stdout]     |
[INFO] [stdout] 9   |   use tokio::sync::{
[INFO] [stdout]     |              ^^^^ private module
[INFO] [stdout]     |
[INFO] [stdout] note: the module `sync` is defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-1.12.0/src/lib.rs:401:5
[INFO] [stdout]     |
[INFO] [stdout] 401 |     mod sync;
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 10 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433, E0603.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `merfolk_middleware_router` due to 11 previous errors
[INFO] running `Command { std: "docker" "inspect" "dc4e6c57956cd464ba8a36a4f33b6610cdc35236291c4f806886e17d5458c666", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc4e6c57956cd464ba8a36a4f33b6610cdc35236291c4f806886e17d5458c666", kill_on_drop: false }`
[INFO] [stdout] dc4e6c57956cd464ba8a36a4f33b6610cdc35236291c4f806886e17d5458c666
