[INFO] fetching crate mvsync 1.3.1...
[INFO] testing mvsync-1.3.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate mvsync 1.3.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate mvsync 1.3.1
[INFO] finished tweaking crates.io crate mvsync 1.3.1
[INFO] tweaked toml for crates.io crate mvsync 1.3.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mvsync 1.3.1 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 39 packages to latest compatible versions
[INFO] [stderr]       Adding mvutils v0.8.2 (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-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] c4de9f292f4dcfd9277e95aafd9411c05ed6500fdd7ec0f2de7119f284a882ea
[INFO] running `Command { std: "docker" "start" "-a" "c4de9f292f4dcfd9277e95aafd9411c05ed6500fdd7ec0f2de7119f284a882ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4de9f292f4dcfd9277e95aafd9411c05ed6500fdd7ec0f2de7119f284a882ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4de9f292f4dcfd9277e95aafd9411c05ed6500fdd7ec0f2de7119f284a882ea", kill_on_drop: false }`
[INFO] [stdout] c4de9f292f4dcfd9277e95aafd9411c05ed6500fdd7ec0f2de7119f284a882ea
[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] 1e8e9e4d3042144f127df9daa9daea7c391375c177f45e0ad1b3675ddee06203
[INFO] running `Command { std: "docker" "start" "-a" "1e8e9e4d3042144f127df9daa9daea7c391375c177f45e0ad1b3675ddee06203", kill_on_drop: false }`
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling bytebuffer v2.3.0
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling mvutils-proc-macro v0.4.0
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling mvutils v0.8.2
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling mvsync v1.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.62s
[INFO] running `Command { std: "docker" "inspect" "1e8e9e4d3042144f127df9daa9daea7c391375c177f45e0ad1b3675ddee06203", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e8e9e4d3042144f127df9daa9daea7c391375c177f45e0ad1b3675ddee06203", kill_on_drop: false }`
[INFO] [stdout] 1e8e9e4d3042144f127df9daa9daea7c391375c177f45e0ad1b3675ddee06203
[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] 9a453a1462ed217c920e3a4e6d060aba300e4075c4ae0202cbe3083288599b8b
[INFO] running `Command { std: "docker" "start" "-a" "9a453a1462ed217c920e3a4e6d060aba300e4075c4ae0202cbe3083288599b8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling mvsync v1.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `register_main_thread` found for struct `Arc<MVSync>` in the current scope
[INFO] [stdout]    --> src/lib.rs:318:14
[INFO] [stdout]     |
[INFO] [stdout] 318 |         sync.register_main_thread(|sync| async move {
[INFO] [stdout]     |         -----^^^^^^^^^^^^^^^^^^^^ method not found in `Arc<MVSync>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mvsync` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "9a453a1462ed217c920e3a4e6d060aba300e4075c4ae0202cbe3083288599b8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a453a1462ed217c920e3a4e6d060aba300e4075c4ae0202cbe3083288599b8b", kill_on_drop: false }`
[INFO] [stdout] 9a453a1462ed217c920e3a4e6d060aba300e4075c4ae0202cbe3083288599b8b
