[INFO] fetching crate serde_derive_internals 0.26.0...
[INFO] testing serde_derive_internals-0.26.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate serde_derive_internals 0.26.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate serde_derive_internals 0.26.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_derive_internals 0.26.0
[INFO] finished tweaking crates.io crate serde_derive_internals 0.26.0
[INFO] tweaked toml for crates.io crate serde_derive_internals 0.26.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79739f3f3cda67efe0b354d264e3ab699bd8827b08b3d711c1709307822229be
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "79739f3f3cda67efe0b354d264e3ab699bd8827b08b3d711c1709307822229be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79739f3f3cda67efe0b354d264e3ab699bd8827b08b3d711c1709307822229be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79739f3f3cda67efe0b354d264e3ab699bd8827b08b3d711c1709307822229be", kill_on_drop: false }`
[INFO] [stdout] 79739f3f3cda67efe0b354d264e3ab699bd8827b08b3d711c1709307822229be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7391098927e7ccf5df7ea7ec65b9c3461354f4493b0ef015688508021b02cdb3
[INFO] running `Command { std: "docker" "start" "-a" "7391098927e7ccf5df7ea7ec65b9c3461354f4493b0ef015688508021b02cdb3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling serde_derive_internals v0.26.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.64s
[INFO] running `Command { std: "docker" "inspect" "7391098927e7ccf5df7ea7ec65b9c3461354f4493b0ef015688508021b02cdb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7391098927e7ccf5df7ea7ec65b9c3461354f4493b0ef015688508021b02cdb3", kill_on_drop: false }`
[INFO] [stdout] 7391098927e7ccf5df7ea7ec65b9c3461354f4493b0ef015688508021b02cdb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8f5244bb42838239c425baa2f44ee1dae97ee948bfc04b5e4595bac34d6d7ef7
[INFO] running `Command { std: "docker" "start" "-a" "8f5244bb42838239c425baa2f44ee1dae97ee948bfc04b5e4595bac34d6d7ef7", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive_internals v0.26.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no variant or associated item named `__TestExhaustive` found for enum `syn::Type` in the current scope
[INFO] [stdout]     --> src/attr.rs:1916:20
[INFO] [stdout]      |
[INFO] [stdout] 1916 |         syn::Type::__TestExhaustive(_) => unimplemented!(),
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^^ variant or associated item not found in `syn::Type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `__TestExhaustive` found for enum `syn::Type` in the current scope
[INFO] [stdout]    --> src/receiver.rs:151:19
[INFO] [stdout]     |
[INFO] [stdout] 151 |             Type::__TestExhaustive(_) => unimplemented!(),
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^ variant or associated item not found in `syn::Type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serde_derive_internals` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "8f5244bb42838239c425baa2f44ee1dae97ee948bfc04b5e4595bac34d6d7ef7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f5244bb42838239c425baa2f44ee1dae97ee948bfc04b5e4595bac34d6d7ef7", kill_on_drop: false }`
[INFO] [stdout] 8f5244bb42838239c425baa2f44ee1dae97ee948bfc04b5e4595bac34d6d7ef7