[INFO] fetching crate flatipc 0.1.2...
[INFO] testing flatipc-0.1.2 against 1.90.0 for beta-1.91-3
[INFO] extracting crate flatipc 0.1.2 into /workspace/builds/worker-7-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate flatipc 0.1.2 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded flatipc-derive v0.1.2
[INFO] [stderr]   Downloaded xous v0.9.66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4ead818189ba3ade39dce01208e02c855b3adc4bbc9af9ddbd47109008ea6c0
[INFO] running `Command { std: "docker" "start" "-a" "a4ead818189ba3ade39dce01208e02c855b3adc4bbc9af9ddbd47109008ea6c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4ead818189ba3ade39dce01208e02c855b3adc4bbc9af9ddbd47109008ea6c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4ead818189ba3ade39dce01208e02c855b3adc4bbc9af9ddbd47109008ea6c0", kill_on_drop: false }`
[INFO] [stdout] a4ead818189ba3ade39dce01208e02c855b3adc4bbc9af9ddbd47109008ea6c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a5b9124bb892fe92b68b586f8083230b22196d6f2245e8f4dc5eb34005e1237
[INFO] running `Command { std: "docker" "start" "-a" "5a5b9124bb892fe92b68b586f8083230b22196d6f2245e8f4dc5eb34005e1237", 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 1.07s
[INFO] running `Command { std: "docker" "inspect" "5a5b9124bb892fe92b68b586f8083230b22196d6f2245e8f4dc5eb34005e1237", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a5b9124bb892fe92b68b586f8083230b22196d6f2245e8f4dc5eb34005e1237", kill_on_drop: false }`
[INFO] [stdout] 5a5b9124bb892fe92b68b586f8083230b22196d6f2245e8f4dc5eb34005e1237
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4432241f770c23be943f92cf7e777ce925a366ef23d96ed3de7c22b94772ffc6
[INFO] running `Command { std: "docker" "start" "-a" "4432241f770c23be943f92cf7e777ce925a366ef23d96ed3de7c22b94772ffc6", 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" "4432241f770c23be943f92cf7e777ce925a366ef23d96ed3de7c22b94772ffc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4432241f770c23be943f92cf7e777ce925a366ef23d96ed3de7c22b94772ffc6", kill_on_drop: false }`
[INFO] [stdout] 4432241f770c23be943f92cf7e777ce925a366ef23d96ed3de7c22b94772ffc6