[INFO] fetching crate merfolk_backend_http 0.1.0...
[INFO] testing merfolk_backend_http-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate merfolk_backend_http 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate merfolk_backend_http 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate merfolk_backend_http 0.1.0
[INFO] tweaked toml for crates.io crate merfolk_backend_http 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate merfolk_backend_http 0.1.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 88 packages to latest compatible versions
[INFO] [stderr]       Adding derive_builder v0.10.2 (available: v0.20.2)
[INFO] [stderr]       Adding hyper v0.14.32 (available: v1.8.0)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded merfolk v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db42f8d1435fe8c589480d83e23811b0243ba3b17785e46e4e3a37019ba891df
[INFO] running `Command { std: "docker" "start" "-a" "db42f8d1435fe8c589480d83e23811b0243ba3b17785e46e4e3a37019ba891df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db42f8d1435fe8c589480d83e23811b0243ba3b17785e46e4e3a37019ba891df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db42f8d1435fe8c589480d83e23811b0243ba3b17785e46e4e3a37019ba891df", kill_on_drop: false }`
[INFO] [stdout] db42f8d1435fe8c589480d83e23811b0243ba3b17785e46e4e3a37019ba891df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f1b4cb98d664864be62bac5a5bf352998e4b17c088e7e527bc5f73bc7c5a660
[INFO] running `Command { std: "docker" "start" "-a" "6f1b4cb98d664864be62bac5a5bf352998e4b17c088e7e527bc5f73bc7c5a660", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling indexmap v2.12.0
[INFO] [stderr]    Compiling slab v0.4.11
[INFO] [stderr]    Compiling mio v1.1.0
[INFO] [stderr]    Compiling socket2 v0.6.1
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling spin v0.7.1
[INFO] [stderr]    Compiling httpdate v1.0.3
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling darling_core v0.12.4
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling darling_macro v0.12.4
[INFO] [stderr]    Compiling tokio-util v0.7.17
[INFO] [stderr]    Compiling darling v0.12.4
[INFO] [stderr]    Compiling derive_builder_core v0.10.2
[INFO] [stderr]    Compiling h2 v0.3.27
[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 hyper v0.14.32
[INFO] [stderr]    Compiling merfolk_backend_http v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.06s
[INFO] running `Command { std: "docker" "inspect" "6f1b4cb98d664864be62bac5a5bf352998e4b17c088e7e527bc5f73bc7c5a660", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f1b4cb98d664864be62bac5a5bf352998e4b17c088e7e527bc5f73bc7c5a660", kill_on_drop: false }`
[INFO] [stdout] 6f1b4cb98d664864be62bac5a5bf352998e4b17c088e7e527bc5f73bc7c5a660
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8799a4cfd213788fcb637941d387ef1f77e711109259f93af7a417adaf6b3cc7
[INFO] running `Command { std: "docker" "start" "-a" "8799a4cfd213788fcb637941d387ef1f77e711109259f93af7a417adaf6b3cc7", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling getrandom v0.2.16
[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_http v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `merfolk_frontend_register`
[INFO] [stdout]   --> test/tests.rs:10:25
[INFO] [stdout]    |
[INFO] [stdout] 10 |   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] 10 -   let register_caller = merfolk_frontend_register::Register::builder().build().unwrap();
[INFO] [stdout] 10 +   let register_caller = crate::Error::builder().build().unwrap();
[INFO] [stdout]    |
[INFO] [stdout] 10 -   let register_caller = merfolk_frontend_register::Register::builder().build().unwrap();
[INFO] [stdout] 10 +   let register_caller = merfolk::Error::builder().build().unwrap();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `merfolk_frontend_register`
[INFO] [stdout]   --> test/tests.rs:11:27
[INFO] [stdout]    |
[INFO] [stdout] 11 |   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] 11 -   let register_receiver = merfolk_frontend_register::Register::builder().build().unwrap();
[INFO] [stdout] 11 +   let register_receiver = crate::Error::builder().build().unwrap();
[INFO] [stdout]    |
[INFO] [stdout] 11 -   let register_receiver = merfolk_frontend_register::Register::builder().build().unwrap();
[INFO] [stdout] 11 +   let register_receiver = merfolk::Error::builder().build().unwrap();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `merfolk_frontend_register`
[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]: failed to resolve: use of unresolved module or unlinked crate `merfolk_frontend_register`
[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] error[E0282]: type annotations needed
[INFO] [stdout]   --> test/tests.rs:33:46
[INFO] [stdout]    |
[INFO] [stdout] 33 |   let result: i32 = merfolk_caller.frontend(|f| f.call("add", &(a, b)).unwrap()).unwrap();
[INFO] [stdout]    |                                              ^  - type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]    |
[INFO] [stdout] 33 |   let result: i32 = merfolk_caller.frontend(|f: /* Type */| f.call("add", &(a, b)).unwrap()).unwrap();
[INFO] [stdout]    |                                               ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> test/tests.rs:70:51
[INFO] [stdout]    |
[INFO] [stdout] 70 |   let result_first: i32 = merfolk_first.frontend(|f| f.call("add", &(a, b)).unwrap()).unwrap();
[INFO] [stdout]    |                                                   ^  - type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]    |
[INFO] [stdout] 70 |   let result_first: i32 = merfolk_first.frontend(|f: /* Type */| f.call("add", &(a, b)).unwrap()).unwrap();
[INFO] [stdout]    |                                                    ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> test/tests.rs:74:53
[INFO] [stdout]    |
[INFO] [stdout] 74 |   let result_second: i32 = merfolk_second.frontend(|f| f.call("add", &(x, y)).unwrap()).unwrap();
[INFO] [stdout]    |                                                     ^  - type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]    |
[INFO] [stdout] 74 |   let result_second: i32 = merfolk_second.frontend(|f: /* Type */| f.call("add", &(x, y)).unwrap()).unwrap();
[INFO] [stdout]    |                                                      ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `merfolk_backend_http` (test "test") due to 7 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8799a4cfd213788fcb637941d387ef1f77e711109259f93af7a417adaf6b3cc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8799a4cfd213788fcb637941d387ef1f77e711109259f93af7a417adaf6b3cc7", kill_on_drop: false }`
[INFO] [stdout] 8799a4cfd213788fcb637941d387ef1f77e711109259f93af7a417adaf6b3cc7
