[INFO] fetching crate enclave-example 0.1.4...
[INFO] testing enclave-example-0.1.4 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate enclave-example 0.1.4 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate enclave-example 0.1.4 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 enclave-example 0.1.4
[INFO] finished tweaking crates.io crate enclave-example 0.1.4
[INFO] tweaked toml for crates.io crate enclave-example 0.1.4 written to /workspace/builds/worker-0/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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 72bb5be8b3dc60697873526ebb200f6f4911607add62f1be4d26f0cdc127352e
[INFO] running `Command { std: "docker" "start" "-a" "72bb5be8b3dc60697873526ebb200f6f4911607add62f1be4d26f0cdc127352e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72bb5be8b3dc60697873526ebb200f6f4911607add62f1be4d26f0cdc127352e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72bb5be8b3dc60697873526ebb200f6f4911607add62f1be4d26f0cdc127352e", kill_on_drop: false }`
[INFO] [stdout] 72bb5be8b3dc60697873526ebb200f6f4911607add62f1be4d26f0cdc127352e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] be8274e3aa9c0f8a2916f51cef0e2c2163ab956a2894b24a59c61cae27209592
[INFO] running `Command { std: "docker" "start" "-a" "be8274e3aa9c0f8a2916f51cef0e2c2163ab956a2894b24a59c61cae27209592", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling spin v0.4.10
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling rlibc v1.0.0
[INFO] [stderr]    Compiling enclave v0.1.4
[INFO] [stderr]    Compiling sgx-isa v0.1.2
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.10/src/lib.rs:6:43
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![cfg_attr(feature = "const_fn", feature(const_fn))]
[INFO] [stdout]   |                                           ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[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 E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `spin` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "be8274e3aa9c0f8a2916f51cef0e2c2163ab956a2894b24a59c61cae27209592", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be8274e3aa9c0f8a2916f51cef0e2c2163ab956a2894b24a59c61cae27209592", kill_on_drop: false }`
[INFO] [stdout] be8274e3aa9c0f8a2916f51cef0e2c2163ab956a2894b24a59c61cae27209592