[INFO] fetching crate mvsync 1.3.1...
[INFO] testing mvsync-1.3.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate mvsync 1.3.1 into /workspace/builds/worker-7-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mvsync 1.3.1 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 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytebuffer v2.3.0
[INFO] [stderr]   Downloaded mvutils-proc-macro v0.4.0
[INFO] [stderr]   Downloaded mvutils v0.8.2
[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] 8a38ae7ba7f8ad466d394b54e4c3887f67770823c839a805feb326727e509c64
[INFO] running `Command { std: "docker" "start" "-a" "8a38ae7ba7f8ad466d394b54e4c3887f67770823c839a805feb326727e509c64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a38ae7ba7f8ad466d394b54e4c3887f67770823c839a805feb326727e509c64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a38ae7ba7f8ad466d394b54e4c3887f67770823c839a805feb326727e509c64", kill_on_drop: false }`
[INFO] [stdout] 8a38ae7ba7f8ad466d394b54e4c3887f67770823c839a805feb326727e509c64
[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] 99954ed79ce02cd1e023cf711891cf47aaef44949ecfa159ffc9a7afdcb8696a
[INFO] running `Command { std: "docker" "start" "-a" "99954ed79ce02cd1e023cf711891cf47aaef44949ecfa159ffc9a7afdcb8696a", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling once_cell v1.21.3
[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 crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling mvutils v0.8.2
[INFO] [stderr]    Compiling mvsync v1.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.17s
[INFO] running `Command { std: "docker" "inspect" "99954ed79ce02cd1e023cf711891cf47aaef44949ecfa159ffc9a7afdcb8696a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99954ed79ce02cd1e023cf711891cf47aaef44949ecfa159ffc9a7afdcb8696a", kill_on_drop: false }`
[INFO] [stdout] 99954ed79ce02cd1e023cf711891cf47aaef44949ecfa159ffc9a7afdcb8696a
[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] ea59d9eaa0647dd8d4869cc38a3811934c1b13e4d2fc7e415a76c5ac2e78ba71
[INFO] running `Command { std: "docker" "start" "-a" "ea59d9eaa0647dd8d4869cc38a3811934c1b13e4d2fc7e415a76c5ac2e78ba71", 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" "ea59d9eaa0647dd8d4869cc38a3811934c1b13e4d2fc7e415a76c5ac2e78ba71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea59d9eaa0647dd8d4869cc38a3811934c1b13e4d2fc7e415a76c5ac2e78ba71", kill_on_drop: false }`
[INFO] [stdout] ea59d9eaa0647dd8d4869cc38a3811934c1b13e4d2fc7e415a76c5ac2e78ba71