[INFO] fetching crate rkyv_derive 0.7.37...
[INFO] testing rkyv_derive-0.7.37 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate rkyv_derive 0.7.37 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate rkyv_derive 0.7.37 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rkyv_derive 0.7.37
[INFO] finished tweaking crates.io crate rkyv_derive 0.7.37
[INFO] tweaked toml for crates.io crate rkyv_derive 0.7.37 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 176f09da67dc6f8b15793833542091764b6d203030abd302d1f94f49ee542d5d
[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" "176f09da67dc6f8b15793833542091764b6d203030abd302d1f94f49ee542d5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "176f09da67dc6f8b15793833542091764b6d203030abd302d1f94f49ee542d5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "176f09da67dc6f8b15793833542091764b6d203030abd302d1f94f49ee542d5d", kill_on_drop: false }`
[INFO] [stdout] 176f09da67dc6f8b15793833542091764b6d203030abd302d1f94f49ee542d5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2022-04-10" "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] 8553dc428666b6d7e2a519d30e211c224b9287e651dfc2d0f752295e5f7fa238
[INFO] running `Command { std: "docker" "start" "-a" "8553dc428666b6d7e2a519d30e211c224b9287e651dfc2d0f752295e5f7fa238", kill_on_drop: false }`
[INFO] [stderr]    Compiling rkyv_derive v0.7.37 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.89s
[INFO] running `Command { std: "docker" "inspect" "8553dc428666b6d7e2a519d30e211c224b9287e651dfc2d0f752295e5f7fa238", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8553dc428666b6d7e2a519d30e211c224b9287e651dfc2d0f752295e5f7fa238", kill_on_drop: false }`
[INFO] [stdout] 8553dc428666b6d7e2a519d30e211c224b9287e651dfc2d0f752295e5f7fa238
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2022-04-10" "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] a983ec43735ec14f1ca9f0db321a66eff5280fda1031e2f42c371cdc244ac734
[INFO] running `Command { std: "docker" "start" "-a" "a983ec43735ec14f1ca9f0db321a66eff5280fda1031e2f42c371cdc244ac734", kill_on_drop: false }`
[INFO] [stderr]    Compiling rkyv_derive v0.7.37 (/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/serde/receiver.rs:154:19
[INFO] [stdout]     |
[INFO] [stdout] 154 |             Type::__TestExhaustive(_) => unimplemented!(),
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^ variant or associated item not found in `syn::Type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rkyv_derive` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "a983ec43735ec14f1ca9f0db321a66eff5280fda1031e2f42c371cdc244ac734", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a983ec43735ec14f1ca9f0db321a66eff5280fda1031e2f42c371cdc244ac734", kill_on_drop: false }`
[INFO] [stdout] a983ec43735ec14f1ca9f0db321a66eff5280fda1031e2f42c371cdc244ac734