[INFO] fetching crate merfolk_middleware_authentication 0.1.0...
[INFO] checking merfolk_middleware_authentication-0.1.0 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate merfolk_middleware_authentication 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate merfolk_middleware_authentication 0.1.0 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate merfolk_middleware_authentication 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate merfolk_middleware_authentication 0.1.0
[INFO] tweaked toml for crates.io crate merfolk_middleware_authentication 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60aa7fa5f03ea251f9eca48d28077e74cf93db1898923b858c25bfb4b14bc926
[INFO] running `Command { std: "docker" "start" "-a" "60aa7fa5f03ea251f9eca48d28077e74cf93db1898923b858c25bfb4b14bc926", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60aa7fa5f03ea251f9eca48d28077e74cf93db1898923b858c25bfb4b14bc926", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60aa7fa5f03ea251f9eca48d28077e74cf93db1898923b858c25bfb4b14bc926", kill_on_drop: false }`
[INFO] [stdout] 60aa7fa5f03ea251f9eca48d28077e74cf93db1898923b858c25bfb4b14bc926
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8b1bf39dfad4546f941e30c9f939d7d793bbdb94a6e6b5fb3c0d24c6e8e12a5
[INFO] running `Command { std: "docker" "start" "-a" "f8b1bf39dfad4546f941e30c9f939d7d793bbdb94a6e6b5fb3c0d24c6e8e12a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking spin v0.7.1
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking wildmatch v1.1.0
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking rand_core v0.6.3
[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 v1.0.26
[INFO] [stderr]    Compiling darling_macro v0.12.4
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]    Compiling darling v0.12.4
[INFO] [stderr]    Compiling derive_builder_core v0.10.2
[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_authentication v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved imports `tokio::sync::mpsc`, `tokio::sync::mpsc`
[INFO] [stdout]   --> test/tests.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     mpsc,
[INFO] [stdout]    |     ^^^^ no `mpsc` in `sync`
[INFO] [stdout] 13 |     mpsc::{Receiver, Sender},
[INFO] [stdout]    |     ^^^^ could not find `mpsc` in `sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `tokio::sync::mpsc`, `tokio::sync::mpsc`
[INFO] [stdout]   --> test/tests.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     mpsc,
[INFO] [stdout]    |     ^^^^ no `mpsc` in `sync`
[INFO] [stdout] 60 |     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:16:25
[INFO] [stdout]    |
[INFO] [stdout] 16 |   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:17:27
[INFO] [stdout]    |
[INFO] [stdout] 17 |   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:21:27
[INFO] [stdout]    |
[INFO] [stdout] 21 |   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:21:83
[INFO] [stdout]    |
[INFO] [stdout] 21 | ...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:27:14
[INFO] [stdout]    |
[INFO] [stdout] 27 |     .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_backend_in_process`
[INFO] [stdout]   --> test/tests.rs:34:14
[INFO] [stdout]    |
[INFO] [stdout] 34 |     .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_frontend_register`
[INFO] [stdout]   --> test/tests.rs:63:25
[INFO] [stdout]    |
[INFO] [stdout] 63 |   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:64:27
[INFO] [stdout]    |
[INFO] [stdout] 64 |   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:68:27
[INFO] [stdout]    |
[INFO] [stdout] 68 |   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:68:83
[INFO] [stdout]    |
[INFO] [stdout] 68 | ...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:74:14
[INFO] [stdout]    |
[INFO] [stdout] 74 |     .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_backend_in_process`
[INFO] [stdout]   --> test/tests.rs:81:14
[INFO] [stdout]    |
[INFO] [stdout] 81 |     .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[E0603]: module `sync` is private
[INFO] [stdout]    --> test/tests.rs:11:14
[INFO] [stdout]     |
[INFO] [stdout] 11  |   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-1.9.0/src/lib.rs:393:5
[INFO] [stdout]     |
[INFO] [stdout] 393 |     mod sync;
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: module `sync` is private
[INFO] [stdout]    --> test/tests.rs:58:14
[INFO] [stdout]     |
[INFO] [stdout] 58  |   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-1.9.0/src/lib.rs:393:5
[INFO] [stdout]     |
[INFO] [stdout] 393 |     mod sync;
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 16 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_authentication` due to 17 previous errors
[INFO] running `Command { std: "docker" "inspect" "f8b1bf39dfad4546f941e30c9f939d7d793bbdb94a6e6b5fb3c0d24c6e8e12a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8b1bf39dfad4546f941e30c9f939d7d793bbdb94a6e6b5fb3c0d24c6e8e12a5", kill_on_drop: false }`
[INFO] [stdout] f8b1bf39dfad4546f941e30c9f939d7d793bbdb94a6e6b5fb3c0d24c6e8e12a5