[INFO] fetching crate flatipc 0.1.2...
[INFO] testing flatipc-0.1.2 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate flatipc 0.1.2 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate flatipc 0.1.2
[INFO] finished tweaking crates.io crate flatipc 0.1.2
[INFO] tweaked toml for crates.io crate flatipc 0.1.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate flatipc 0.1.2 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34395f61f91efefb46b965e0491cb1d2d1487fe20a27287c375b07bbfab605de
[INFO] running `Command { std: "docker" "start" "-a" "34395f61f91efefb46b965e0491cb1d2d1487fe20a27287c375b07bbfab605de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34395f61f91efefb46b965e0491cb1d2d1487fe20a27287c375b07bbfab605de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34395f61f91efefb46b965e0491cb1d2d1487fe20a27287c375b07bbfab605de", kill_on_drop: false }`
[INFO] [stdout] 34395f61f91efefb46b965e0491cb1d2d1487fe20a27287c375b07bbfab605de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad4283bdd2b0b2d44db1539dbc69b222f2f5f010cb4d1f48a5d014d2a65e8b29
[INFO] running `Command { std: "docker" "start" "-a" "ad4283bdd2b0b2d44db1539dbc69b222f2f5f010cb4d1f48a5d014d2a65e8b29", kill_on_drop: false }`
[INFO] [stderr]    Compiling xous v0.9.66
[INFO] [stderr]    Compiling flatipc-derive v0.1.2
[INFO] [stderr]    Compiling flatipc v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "ad4283bdd2b0b2d44db1539dbc69b222f2f5f010cb4d1f48a5d014d2a65e8b29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad4283bdd2b0b2d44db1539dbc69b222f2f5f010cb4d1f48a5d014d2a65e8b29", kill_on_drop: false }`
[INFO] [stdout] ad4283bdd2b0b2d44db1539dbc69b222f2f5f010cb4d1f48a5d014d2a65e8b29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5697ede31cc0193cb81446798fc7fb10179be73b5946dbdf9fa84aa6a5c75e9
[INFO] running `Command { std: "docker" "start" "-a" "f5697ede31cc0193cb81446798fc7fb10179be73b5946dbdf9fa84aa6a5c75e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling flatipc v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: could not find `mock` in `backend`
[INFO] [stdout]    --> src/test.rs:229:42
[INFO] [stdout]     |
[INFO] [stdout] 229 |     let adder_server = flatipc::backend::mock::Server::new(
[INFO] [stdout]     |                                          ^^^^ could not find `mock` in `backend`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `mock` in `backend`
[INFO] [stdout]    --> src/test.rs:254:27
[INFO] [stdout]     |
[INFO] [stdout] 254 |         flatipc::backend::mock::IPC_MACHINE.lock().unwrap().add_server(adder_server);
[INFO] [stdout]     |                           ^^^^ could not find `mock` in `backend`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `flatipc` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "f5697ede31cc0193cb81446798fc7fb10179be73b5946dbdf9fa84aa6a5c75e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5697ede31cc0193cb81446798fc7fb10179be73b5946dbdf9fa84aa6a5c75e9", kill_on_drop: false }`
[INFO] [stdout] f5697ede31cc0193cb81446798fc7fb10179be73b5946dbdf9fa84aa6a5c75e9