[INFO] fetching crate enclave 0.1.4...
[INFO] checking enclave-0.1.4 against master#c9228570668803e3e6402770d55f23a12c9ae686 for pr-79472
[INFO] extracting crate enclave 0.1.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate enclave 0.1.4 on toolchain c9228570668803e3e6402770d55f23a12c9ae686
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate enclave 0.1.4
[INFO] finished tweaking crates.io crate enclave 0.1.4
[INFO] tweaked toml for crates.io crate enclave 0.1.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d9597640ee643dc5d47bffe4b621d2ef7fa4ee6c2ccb85247d5d608c4485e75
[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" "2d9597640ee643dc5d47bffe4b621d2ef7fa4ee6c2ccb85247d5d608c4485e75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d9597640ee643dc5d47bffe4b621d2ef7fa4ee6c2ccb85247d5d608c4485e75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d9597640ee643dc5d47bffe4b621d2ef7fa4ee6c2ccb85247d5d608c4485e75", kill_on_drop: false }`
[INFO] [stdout] 2d9597640ee643dc5d47bffe4b621d2ef7fa4ee6c2ccb85247d5d608c4485e75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "check" "--frozen" "--all" "--all-targets" "--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] 6eee4088367963c63f7dcb4ae1b8792feaf9d8015e8f573f015fe807895aeac5
[INFO] running `Command { std: "docker" "start" "-a" "6eee4088367963c63f7dcb4ae1b8792feaf9d8015e8f573f015fe807895aeac5", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking spin v0.4.10
[INFO] [stderr]     Checking bitflags v0.5.0
[INFO] [stderr]     Checking rlibc v1.0.0
[INFO] [stderr]     Checking sgx-isa v0.1.2
[INFO] [stderr]     Checking alloc_buddy_simple2 v0.1.2
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/alloc_buddy_simple2-0.1.2/src/lib.rs:12:56
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![cfg_attr(feature = "use-as-rust-allocator", feature(allocator, const_fn))]
[INFO] [stdout]    |                                                        ^^^^^^^^^ feature has been removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `allocator` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/alloc_buddy_simple2-0.1.2/src/lib.rs:13:48
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![cfg_attr(feature = "use-as-rust-allocator", allocator)]
[INFO] [stdout]    |                                                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the attribute macro `test`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/alloc_buddy_simple2-0.1.2/src/math.rs:65:3
[INFO] [stdout]    |
[INFO] [stdout] 65 | #[test]
[INFO] [stdout]    |   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the attribute macro `test`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/alloc_buddy_simple2-0.1.2/src/math.rs:81:3
[INFO] [stdout]    |
[INFO] [stdout] 81 | #[test]
[INFO] [stdout]    |   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the attribute macro `test`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/alloc_buddy_simple2-0.1.2/src/math.rs:97:3
[INFO] [stdout]    |
[INFO] [stdout] 97 | #[test]
[INFO] [stdout]    |   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `alloc_buddy_simple2`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "6eee4088367963c63f7dcb4ae1b8792feaf9d8015e8f573f015fe807895aeac5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6eee4088367963c63f7dcb4ae1b8792feaf9d8015e8f573f015fe807895aeac5", kill_on_drop: false }`
[INFO] [stdout] 6eee4088367963c63f7dcb4ae1b8792feaf9d8015e8f573f015fe807895aeac5