[INFO] fetching crate snaplog 0.4.0...
[INFO] testing snaplog-0.4.0 against 1.64.0 for beta-1.65-1
[INFO] extracting crate snaplog 0.4.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate snaplog 0.4.0 on toolchain 1.64.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.64.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate snaplog 0.4.0
[INFO] finished tweaking crates.io crate snaplog 0.4.0
[INFO] tweaked toml for crates.io crate snaplog 0.4.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.64.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.64.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+1.64.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64d68af13dea05aa8126b262373062f938e50eb6b30ade7594ebd3da555419a2
[INFO] running `Command { std: "docker" "start" "-a" "64d68af13dea05aa8126b262373062f938e50eb6b30ade7594ebd3da555419a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64d68af13dea05aa8126b262373062f938e50eb6b30ade7594ebd3da555419a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64d68af13dea05aa8126b262373062f938e50eb6b30ade7594ebd3da555419a2", kill_on_drop: false }`
[INFO] [stdout] 64d68af13dea05aa8126b262373062f938e50eb6b30ade7594ebd3da555419a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+1.64.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dbd640f85bd8d737637eb8a0303c2afd5a144d3ae8c7d575906d2ccf6507fec0
[INFO] running `Command { std: "docker" "start" "-a" "dbd640f85bd8d737637eb8a0303c2afd5a144d3ae8c7d575906d2ccf6507fec0", kill_on_drop: false }`
[INFO] [stderr]    Compiling snaplog v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: generic associated types are unstable
[INFO] [stdout]   --> src/scoped/docs_impl.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 |     type ThinScoped<'this> = Ref<'this>;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #44265 <https://github.com/rust-lang/rust/issues/44265> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: generic associated types are unstable
[INFO] [stdout]   --> src/scoped/docs_impl.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     type ThinScopedMut<'this> = RefMut<'this>;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #44265 <https://github.com/rust-lang/rust/issues/44265> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: generic associated types are unstable
[INFO] [stdout]    --> src/scoped/mod.rs:116:5
[INFO] [stdout]     |
[INFO] [stdout] 116 |     type ThinScoped<'this>;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #44265 <https://github.com/rust-lang/rust/issues/44265> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: generic associated types are unstable
[INFO] [stdout]    --> src/scoped/mod.rs:135:5
[INFO] [stdout]     |
[INFO] [stdout] 135 |     type ThinScopedMut<'this>;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #44265 <https://github.com/rust-lang/rust/issues/44265> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `snaplog` due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "dbd640f85bd8d737637eb8a0303c2afd5a144d3ae8c7d575906d2ccf6507fec0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbd640f85bd8d737637eb8a0303c2afd5a144d3ae8c7d575906d2ccf6507fec0", kill_on_drop: false }`
[INFO] [stdout] dbd640f85bd8d737637eb8a0303c2afd5a144d3ae8c7d575906d2ccf6507fec0