[INFO] crate enclave-example 0.1.4 is already in cache
[INFO] extracting crate enclave-example 0.1.4 into work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/enclave-example/0.1.4
[INFO] extracting crate enclave-example 0.1.4 into work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/enclave-example/0.1.4
[INFO] validating manifest of enclave-example-0.1.4 on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of enclave-example-0.1.4 on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing enclave-example-0.1.4
[INFO] finished frobbing enclave-example-0.1.4
[INFO] frobbed toml for enclave-example-0.1.4 written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/enclave-example/0.1.4/Cargo.toml
[INFO] started frobbing enclave-example-0.1.4
[INFO] finished frobbing enclave-example-0.1.4
[INFO] frobbed toml for enclave-example-0.1.4 written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/enclave-example/0.1.4/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking enclave-example-0.1.4 against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-2/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/enclave-example/0.1.4:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f04438ff0f051e333d94fcbe8b6d8ae06c38d35b6c85fc7c5f650bbce5c4796c
[INFO] running `"docker" "start" "-a" "f04438ff0f051e333d94fcbe8b6d8ae06c38d35b6c85fc7c5f650bbce5c4796c"`
[INFO] [stderr]     Checking bitflags v0.5.0
[INFO] [stderr]     Checking rlibc v1.0.0
[INFO] [stderr]    Compiling enclave v0.1.4
[INFO] [stderr]    Compiling core_io v0.1.20180307
[INFO] [stderr]     Checking alloc_buddy_simple2 v0.1.2
[INFO] [stderr] error[E0557]: feature has been removed
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/alloc_buddy_simple2-0.1.2/src/lib.rs:12:56
[INFO] [stderr]    |
[INFO] [stderr] 12 | #![cfg_attr(feature = "use-as-rust-allocator", feature(allocator, const_fn))]
[INFO] [stderr]    |                                                        ^^^^^^^^^ feature has been removed
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: non-builtin inner attributes are unstable
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/alloc_buddy_simple2-0.1.2/src/lib.rs:13:48
[INFO] [stderr]    |
[INFO] [stderr] 13 | #![cfg_attr(feature = "use-as-rust-allocator", allocator)]
[INFO] [stderr]    |                                                ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/54726
[INFO] [stderr]    = help: add #![feature(custom_inner_attributes)] to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: The attribute `allocator` is currently unknown to the compiler and may have meaning added to it in the future
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/alloc_buddy_simple2-0.1.2/src/lib.rs:13:48
[INFO] [stderr]    |
[INFO] [stderr] 13 | #![cfg_attr(feature = "use-as-rust-allocator", allocator)]
[INFO] [stderr]    |                                                ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/29642
[INFO] [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr]     Checking sgx-isa v0.1.2
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0557, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0557`.
[INFO] [stderr] error: Could not compile `alloc_buddy_simple2`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "f04438ff0f051e333d94fcbe8b6d8ae06c38d35b6c85fc7c5f650bbce5c4796c"`
[INFO] running `"docker" "rm" "-f" "f04438ff0f051e333d94fcbe8b6d8ae06c38d35b6c85fc7c5f650bbce5c4796c"`
[INFO] [stdout] f04438ff0f051e333d94fcbe8b6d8ae06c38d35b6c85fc7c5f650bbce5c4796c