[INFO] fetching crate mvrocketlib 1.1.8...
[INFO] testing mvrocketlib-1.1.8 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate mvrocketlib 1.1.8 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate mvrocketlib 1.1.8
[INFO] finished tweaking crates.io crate mvrocketlib 1.1.8
[INFO] tweaked toml for crates.io crate mvrocketlib 1.1.8 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mvrocketlib 1.1.8 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 23 packages to latest compatible versions
[INFO] [stderr]       Adding mvutils v0.3.5 (available: v1.6.1)
[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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 85a1567c04b3c60b814253f6cd842eaa2f059d41e08b59e46658cb6a7a8bbf17
[INFO] running `Command { std: "docker" "start" "-a" "85a1567c04b3c60b814253f6cd842eaa2f059d41e08b59e46658cb6a7a8bbf17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85a1567c04b3c60b814253f6cd842eaa2f059d41e08b59e46658cb6a7a8bbf17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85a1567c04b3c60b814253f6cd842eaa2f059d41e08b59e46658cb6a7a8bbf17", kill_on_drop: false }`
[INFO] [stdout] 85a1567c04b3c60b814253f6cd842eaa2f059d41e08b59e46658cb6a7a8bbf17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] ae930cf1b230009c451b1daf6e36142e96ae0c9038323fba69e5d180b9b6c85c
[INFO] running `Command { std: "docker" "start" "-a" "ae930cf1b230009c451b1daf6e36142e96ae0c9038323fba69e5d180b9b6c85c", kill_on_drop: false }`
[INFO] [stderr]    Compiling uuid v1.18.1
[INFO] [stderr]    Compiling bytebuffer v2.3.0
[INFO] [stderr]    Compiling mvutils-proc-macro v0.3.3
[INFO] [stderr]    Compiling mvrocketlib-macro v1.1.4
[INFO] [stderr]    Compiling mvutils v0.3.5
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `mvutils`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mvutils-0.3.5/src/version.rs:8:38
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[derive(Eq, PartialEq, Copy, Clone, Savable)]
[INFO] [stdout]   |                                      ^^^^^^^ use of unresolved module or unlinked crate `mvutils`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `mvutils`, use `cargo add mvutils` to add it to your `Cargo.toml`
[INFO] [stdout]   = note: this error originates in the derive macro `Savable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]   |
[INFO] [stdout] 1 + use crate::save;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `mvutils`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mvutils-0.3.5/src/version.rs:8:38
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[derive(Eq, PartialEq, Copy, Clone, Savable)]
[INFO] [stdout]   |                                      ^^^^^^^ use of unresolved module or unlinked crate `mvutils`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `mvutils`, use `cargo add mvutils` to add it to your `Cargo.toml`
[INFO] [stdout]   = note: this error originates in the derive macro `Savable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]   |
[INFO] [stdout] 1 + use crate::save::Savable;
[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 `mvutils` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "ae930cf1b230009c451b1daf6e36142e96ae0c9038323fba69e5d180b9b6c85c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae930cf1b230009c451b1daf6e36142e96ae0c9038323fba69e5d180b9b6c85c", kill_on_drop: false }`
[INFO] [stdout] ae930cf1b230009c451b1daf6e36142e96ae0c9038323fba69e5d180b9b6c85c