[INFO] fetching crate merfolk_backend_in_process 0.1.0...
[INFO] testing merfolk_backend_in_process-0.1.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate merfolk_backend_in_process 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate merfolk_backend_in_process 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate merfolk_backend_in_process 0.1.0
[INFO] tweaked toml for crates.io crate merfolk_backend_in_process 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate merfolk_backend_in_process 0.1.0 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] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 39 packages to latest compatible versions
[INFO] [stderr]       Adding derive_builder v0.10.2 (available: v0.20.2)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.10.0)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.18)
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded darling_core v0.12.4
[INFO] [stderr]   Downloaded darling_macro v0.12.4
[INFO] [stderr]   Downloaded spin v0.7.1
[INFO] [stderr]   Downloaded darling v0.12.4
[INFO] [stderr]   Downloaded derive_builder_core v0.10.2
[INFO] [stderr]   Downloaded derive_builder v0.10.2
[INFO] [stderr]   Downloaded derive_builder_macro v0.10.2
[INFO] [stderr]   Downloaded merfolk v0.1.4
[INFO] [stderr]   Downloaded tokio v1.51.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] cd26cc280f8bc9e50e88a2aac9ce1dd982d725366b96428fe0deb24812107fc2
[INFO] running `Command { std: "docker" "start" "-a" "cd26cc280f8bc9e50e88a2aac9ce1dd982d725366b96428fe0deb24812107fc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd26cc280f8bc9e50e88a2aac9ce1dd982d725366b96428fe0deb24812107fc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd26cc280f8bc9e50e88a2aac9ce1dd982d725366b96428fe0deb24812107fc2", kill_on_drop: false }`
[INFO] [stdout] cd26cc280f8bc9e50e88a2aac9ce1dd982d725366b96428fe0deb24812107fc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 173a24251f4cd0553028a94eccee3b8ea5d6daeb84c231bf062dfa158b101c20
[INFO] running `Command { std: "docker" "start" "-a" "173a24251f4cd0553028a94eccee3b8ea5d6daeb84c231bf062dfa158b101c20", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]    Compiling anyhow v1.0.102
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling pin-project-lite v0.2.17
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling spin v0.7.1
[INFO] [stderr]    Compiling itoa v1.0.18
[INFO] [stderr]    Compiling tokio v1.51.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling darling_core v0.12.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[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]    Compiling derive_builder_macro v0.10.2
[INFO] [stderr]    Compiling derive_builder v0.10.2
[INFO] [stderr]    Compiling merfolk v0.1.4
[INFO] [stderr]    Compiling merfolk_backend_in_process v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.70s
[INFO] running `Command { std: "docker" "inspect" "173a24251f4cd0553028a94eccee3b8ea5d6daeb84c231bf062dfa158b101c20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "173a24251f4cd0553028a94eccee3b8ea5d6daeb84c231bf062dfa158b101c20", kill_on_drop: false }`
[INFO] [stdout] 173a24251f4cd0553028a94eccee3b8ea5d6daeb84c231bf062dfa158b101c20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ffb87ea973763ca9809b1e3c045c5f340d9d661cb33d20b48e0591b858637a71
[INFO] running `Command { std: "docker" "start" "-a" "ffb87ea973763ca9809b1e3c045c5f340d9d661cb33d20b48e0591b858637a71", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.184
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling merfolk_backend_in_process v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: cannot find module or crate `merfolk_frontend_register` in this scope
[INFO] [stdout]   --> test/tests.rs:11:25
[INFO] [stdout]    |
[INFO] [stdout] 11 |   let register_caller = merfolk_frontend_register::Register::builder().build().unwrap();
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `merfolk_frontend_register`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `merfolk_frontend_register`, use `cargo add merfolk_frontend_register` to add it to your `Cargo.toml`
[INFO] [stdout] help: there is an enum variant `crate::Error::Register` and 1 other; try using the variant's enum
[INFO] [stdout]    |
[INFO] [stdout] 11 -   let register_caller = merfolk_frontend_register::Register::builder().build().unwrap();
[INFO] [stdout] 11 +   let register_caller = crate::Error::builder().build().unwrap();
[INFO] [stdout]    |
[INFO] [stdout] 11 -   let register_caller = merfolk_frontend_register::Register::builder().build().unwrap();
[INFO] [stdout] 11 +   let register_caller = merfolk::Error::builder().build().unwrap();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `merfolk_frontend_register` in this scope
[INFO] [stdout]   --> test/tests.rs:12:27
[INFO] [stdout]    |
[INFO] [stdout] 12 |   let register_receiver = merfolk_frontend_register::Register::builder().build().unwrap();
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `merfolk_frontend_register`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `merfolk_frontend_register`, use `cargo add merfolk_frontend_register` to add it to your `Cargo.toml`
[INFO] [stdout] help: there is an enum variant `crate::Error::Register` and 1 other; try using the variant's enum
[INFO] [stdout]    |
[INFO] [stdout] 12 -   let register_receiver = merfolk_frontend_register::Register::builder().build().unwrap();
[INFO] [stdout] 12 +   let register_receiver = crate::Error::builder().build().unwrap();
[INFO] [stdout]    |
[INFO] [stdout] 12 -   let register_receiver = merfolk_frontend_register::Register::builder().build().unwrap();
[INFO] [stdout] 12 +   let register_receiver = merfolk::Error::builder().build().unwrap();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `merfolk_frontend_register` in this scope
[INFO] [stdout]   --> test/tests.rs:39:24
[INFO] [stdout]    |
[INFO] [stdout] 39 |   let register_first = merfolk_frontend_register::Register::builder().build().unwrap();
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `merfolk_frontend_register`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `merfolk_frontend_register`, use `cargo add merfolk_frontend_register` to add it to your `Cargo.toml`
[INFO] [stdout] help: there is an enum variant `crate::Error::Register` and 1 other; try using the variant's enum
[INFO] [stdout]    |
[INFO] [stdout] 39 -   let register_first = merfolk_frontend_register::Register::builder().build().unwrap();
[INFO] [stdout] 39 +   let register_first = crate::Error::builder().build().unwrap();
[INFO] [stdout]    |
[INFO] [stdout] 39 -   let register_first = merfolk_frontend_register::Register::builder().build().unwrap();
[INFO] [stdout] 39 +   let register_first = merfolk::Error::builder().build().unwrap();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `merfolk_frontend_register` in this scope
[INFO] [stdout]   --> test/tests.rs:40:25
[INFO] [stdout]    |
[INFO] [stdout] 40 |   let register_second = merfolk_frontend_register::Register::builder().build().unwrap();
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `merfolk_frontend_register`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `merfolk_frontend_register`, use `cargo add merfolk_frontend_register` to add it to your `Cargo.toml`
[INFO] [stdout] help: there is an enum variant `crate::Error::Register` and 1 other; try using the variant's enum
[INFO] [stdout]    |
[INFO] [stdout] 40 -   let register_second = merfolk_frontend_register::Register::builder().build().unwrap();
[INFO] [stdout] 40 +   let register_second = crate::Error::builder().build().unwrap();
[INFO] [stdout]    |
[INFO] [stdout] 40 -   let register_second = merfolk_frontend_register::Register::builder().build().unwrap();
[INFO] [stdout] 40 +   let register_second = merfolk::Error::builder().build().unwrap();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `merfolk_backend_in_process` (test "test") due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ffb87ea973763ca9809b1e3c045c5f340d9d661cb33d20b48e0591b858637a71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffb87ea973763ca9809b1e3c045c5f340d9d661cb33d20b48e0591b858637a71", kill_on_drop: false }`
[INFO] [stdout] ffb87ea973763ca9809b1e3c045c5f340d9d661cb33d20b48e0591b858637a71