[INFO] fetching crate mvsync 1.3.1...
[INFO] testing mvsync-1.3.1 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate mvsync 1.3.1 into /workspace/builds/worker-2-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-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mvsync 1.3.1 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 39 packages to latest compatible versions
[INFO] [stderr]       Adding mvutils v0.8.2 (available: v1.5.9)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mvutils-proc-macro v0.4.0
[INFO] [stderr]   Downloaded bytebuffer v2.3.0
[INFO] [stderr]   Downloaded mvutils v0.8.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6418492f7be14f8bc7ccc8fdc2a96df1a757ce90801b8e2cded912e13b0f035
[INFO] running `Command { std: "docker" "start" "-a" "b6418492f7be14f8bc7ccc8fdc2a96df1a757ce90801b8e2cded912e13b0f035", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6418492f7be14f8bc7ccc8fdc2a96df1a757ce90801b8e2cded912e13b0f035", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6418492f7be14f8bc7ccc8fdc2a96df1a757ce90801b8e2cded912e13b0f035", kill_on_drop: false }`
[INFO] [stdout] b6418492f7be14f8bc7ccc8fdc2a96df1a757ce90801b8e2cded912e13b0f035
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67a713af5226ae55aa4d05d858991c1fab1f24568b71b95233d761fc598358b8
[INFO] running `Command { std: "docker" "start" "-a" "67a713af5226ae55aa4d05d858991c1fab1f24568b71b95233d761fc598358b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling bytebuffer v2.3.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling mvutils-proc-macro v0.4.0
[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 5.23s
[INFO] running `Command { std: "docker" "inspect" "67a713af5226ae55aa4d05d858991c1fab1f24568b71b95233d761fc598358b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67a713af5226ae55aa4d05d858991c1fab1f24568b71b95233d761fc598358b8", kill_on_drop: false }`
[INFO] [stdout] 67a713af5226ae55aa4d05d858991c1fab1f24568b71b95233d761fc598358b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45793a7f765e1f890d102620a47536398530c33e8a7481fb96e20427e4c1db42
[INFO] running `Command { std: "docker" "start" "-a" "45793a7f765e1f890d102620a47536398530c33e8a7481fb96e20427e4c1db42", 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" "45793a7f765e1f890d102620a47536398530c33e8a7481fb96e20427e4c1db42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45793a7f765e1f890d102620a47536398530c33e8a7481fb96e20427e4c1db42", kill_on_drop: false }`
[INFO] [stdout] 45793a7f765e1f890d102620a47536398530c33e8a7481fb96e20427e4c1db42