[INFO] fetching crate swift-runtime-sys 0.0.5...
[INFO] testing swift-runtime-sys-0.0.5 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate swift-runtime-sys 0.0.5 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate swift-runtime-sys 0.0.5
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate swift-runtime-sys 0.0.5
[INFO] tweaked toml for crates.io crate swift-runtime-sys 0.0.5 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate swift-runtime-sys 0.0.5 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate swift-runtime-sys 0.0.5 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] a136042596aaa55367989413e6a8ab38fb1aef67f5ef2875571f5d33754695d4
[INFO] running `Command { std: "docker" "start" "a136042596aaa55367989413e6a8ab38fb1aef67f5ef2875571f5d33754695d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a136042596aaa55367989413e6a8ab38fb1aef67f5ef2875571f5d33754695d4", 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" "a136042596aaa55367989413e6a8ab38fb1aef67f5ef2875571f5d33754695d4" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a136042596aaa55367989413e6a8ab38fb1aef67f5ef2875571f5d33754695d4", 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" "a136042596aaa55367989413e6a8ab38fb1aef67f5ef2875571f5d33754695d4" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling swift-runtime-sys v0.0.5 (/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]    --> 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] warning: unused variable: `ctx`
[INFO] [stdout]     --> src/ConcurrencyThunks.rs:1206:5
[INFO] [stdout]      |
[INFO] [stdout] 1206 |     ctx: AsyncContextRef,
[INFO] [stdout]      |     ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]     --> src/ConcurrencyThunks.rs:1231:5
[INFO] [stdout]      |
[INFO] [stdout] 1231 |     ctx: AsyncContextRef,
[INFO] [stdout]      |     ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]     --> src/ConcurrencyThunks.rs:1256:5
[INFO] [stdout]      |
[INFO] [stdout] 1256 |     ctx: AsyncContextRef,
[INFO] [stdout]      |     ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]     --> src/ConcurrencyThunks.rs:1281:5
[INFO] [stdout]      |
[INFO] [stdout] 1281 |     ctx: AsyncContextRef,
[INFO] [stdout]      |     ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `async_ctx`
[INFO] [stdout]     --> src/ConcurrencyThunks.rs:1307:5
[INFO] [stdout]      |
[INFO] [stdout] 1307 |     async_ctx: AsyncContextRef,
[INFO] [stdout]      |     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_async_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `async_ctx`
[INFO] [stdout]     --> src/ConcurrencyThunks.rs:1338:5
[INFO] [stdout]      |
[INFO] [stdout] 1338 |     async_ctx: AsyncContextRef,
[INFO] [stdout]      |     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_async_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]     --> src/ConcurrencyThunks.rs:1363:5
[INFO] [stdout]      |
[INFO] [stdout] 1363 |     ctx: AsyncContextRef,
[INFO] [stdout]      |     ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]     --> src/ConcurrencyThunks.rs:1385:5
[INFO] [stdout]      |
[INFO] [stdout] 1385 |     ctx: AsyncContextRef,
[INFO] [stdout]      |     ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]     --> src/ConcurrencyThunks.rs:1407:5
[INFO] [stdout]      |
[INFO] [stdout] 1407 |     ctx: AsyncContextRef,
[INFO] [stdout]      |     ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]     --> src/ConcurrencyThunks.rs:1424:5
[INFO] [stdout]      |
[INFO] [stdout] 1424 |     ctx: AsyncContextRef,
[INFO] [stdout]      |     ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[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; 10 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "a136042596aaa55367989413e6a8ab38fb1aef67f5ef2875571f5d33754695d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a136042596aaa55367989413e6a8ab38fb1aef67f5ef2875571f5d33754695d4", kill_on_drop: false }`
[INFO] [stdout] a136042596aaa55367989413e6a8ab38fb1aef67f5ef2875571f5d33754695d4
