[INFO] fetching crate swift-runtime 0.0.2...
[INFO] testing swift-runtime-0.0.2 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate swift-runtime 0.0.2 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate swift-runtime 0.0.2
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate swift-runtime 0.0.2
[INFO] tweaked toml for crates.io crate swift-runtime 0.0.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate swift-runtime 0.0.2 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate swift-runtime 0.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--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]  Downloading crates ...
[INFO] [stderr]   Downloaded swift-runtime-sys v0.0.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] ca2b220590c91f3a9312ed3d1f49f5b70640e9c9ff67b854455ff3b9d215ad4f
[INFO] running `Command { std: "docker" "start" "ca2b220590c91f3a9312ed3d1f49f5b70640e9c9ff67b854455ff3b9d215ad4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca2b220590c91f3a9312ed3d1f49f5b70640e9c9ff67b854455ff3b9d215ad4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ca2b220590c91f3a9312ed3d1f49f5b70640e9c9ff67b854455ff3b9d215ad4f" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca2b220590c91f3a9312ed3d1f49f5b70640e9c9ff67b854455ff3b9d215ad4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ca2b220590c91f3a9312ed3d1f49f5b70640e9c9ff67b854455ff3b9d215ad4f" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling swift-runtime-sys v0.0.5
[INFO] [stderr]    Compiling swift-runtime v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no variant, associated function, or constant named `Unsupported` found for enum `ConcurrencyThunks::ThunkError` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/swift-runtime-sys-0.0.5/src/ConcurrencyThunks.rs:380:25
[INFO] [stdout]     |
[INFO] [stdout]  54 | pub enum ThunkError {
[INFO] [stdout]     | ------------------- variant, associated function, or constant `Unsupported` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 380 |         Err(ThunkError::Unsupported)
[INFO] [stdout]     |                         ^^^^^^^^^^^ variant, associated function, or constant not found in `ConcurrencyThunks::ThunkError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `swift-runtime-sys` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "ca2b220590c91f3a9312ed3d1f49f5b70640e9c9ff67b854455ff3b9d215ad4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca2b220590c91f3a9312ed3d1f49f5b70640e9c9ff67b854455ff3b9d215ad4f", kill_on_drop: false }`
[INFO] [stdout] ca2b220590c91f3a9312ed3d1f49f5b70640e9c9ff67b854455ff3b9d215ad4f
