[INFO] crate enclave 0.1.4 is already in cache [INFO] extracting crate enclave 0.1.4 into work/ex/beta-1.37-6/sources/1.36.0/reg/enclave/0.1.4 [INFO] extracting crate enclave 0.1.4 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/enclave/0.1.4 [INFO] validating manifest of enclave-0.1.4 on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of enclave-0.1.4 on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing enclave-0.1.4 [INFO] finished frobbing enclave-0.1.4 [INFO] frobbed toml for enclave-0.1.4 written to work/ex/beta-1.37-6/sources/1.36.0/reg/enclave/0.1.4/Cargo.toml [INFO] started frobbing enclave-0.1.4 [INFO] finished frobbing enclave-0.1.4 [INFO] frobbed toml for enclave-0.1.4 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/enclave/0.1.4/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing enclave-0.1.4 against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/enclave/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=warn" "-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" "+1.36.0" "build" "--frozen"` [INFO] [stdout] 0fc53693741ca5f6b68f625136fe894166cc71817b3eb703b63c264034e08fcf [INFO] running `"docker" "start" "-a" "0fc53693741ca5f6b68f625136fe894166cc71817b3eb703b63c264034e08fcf"` [INFO] [stderr] Compiling spin v0.4.10 [INFO] [stderr] Compiling enclave v0.1.4 (/opt/crater/workdir) [INFO] [stderr] Compiling core_io v0.1.20190701 [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.10/src/lib.rs:6:35 [INFO] [stderr] | [INFO] [stderr] 6 | #![cfg_attr(feature = "const_fn", feature(const_fn))] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: failed to run custom build command for `core_io v0.1.20190701` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/core_io-2c08a378700b3c46/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'Unknown compiler version, upgrade core_io?', src/libcore/option.rs:1036:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55992d61f523 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55 [INFO] [stderr] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stderr] 1: 0x55992d61b11b - std::sys_common::backtrace::_print::h49a82ae9552e35c7 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stderr] 2: 0x55992d61e3b6 - std::panicking::default_hook::{{closure}}::he20974adbefcc046 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] at src/libstd/panicking.rs:197 [INFO] [stderr] 3: 0x55992d61e149 - std::panicking::default_hook::he4af6af4ac7fef7b [INFO] [stderr] at src/libstd/panicking.rs:211 [INFO] [stderr] 4: 0x55992d61ea0f - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f [INFO] [stderr] at src/libstd/panicking.rs:474 [INFO] [stderr] 5: 0x55992d61e591 - std::panicking::continue_panic_fmt::ha6d6ae144369025b [INFO] [stderr] at src/libstd/panicking.rs:381 [INFO] [stderr] 6: 0x55992d61e475 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:308 [INFO] [stderr] 7: 0x55992d632f1c - core::panicking::panic_fmt::hc4f83bfed80aeabd [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 8: 0x55992d632f86 - core::option::expect_failed::he602aa67d6d2d670 [INFO] [stderr] at src/libcore/option.rs:1036 [INFO] [stderr] 9: 0x55992d5f053c - core::option::Option::expect::hec0a07a198d363ff [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/option.rs:314 [INFO] [stderr] 10: 0x55992d5eaec8 - build_script_build::main::h20ad78b22446b440 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/core_io-0.1.20190701/build.rs:73 [INFO] [stderr] 11: 0x55992d5f186f - std::rt::lang_start::{{closure}}::hd6a81cd3353274dc [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64 [INFO] [stderr] 12: 0x55992d61e462 - std::panicking::try::do_call::hc3d8373a0b215f51 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] at src/libstd/panicking.rs:293 [INFO] [stderr] 13: 0x55992d624a69 - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:85 [INFO] [stderr] 14: 0x55992d61ef1c - std::rt::lang_start_internal::he5218c8b95d395f2 [INFO] [stderr] at src/libstd/panicking.rs:272 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 15: 0x55992d5f1848 - std::rt::lang_start::hdb4fe0c01d3884b9 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64 [INFO] [stderr] 16: 0x55992d5eba89 - main [INFO] [stderr] 17: 0x7fa55be682e0 - __libc_start_main [INFO] [stderr] 18: 0x55992d5e86e9 - _start [INFO] [stderr] 19: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: Could not compile `spin`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] warning: use of deprecated item 'gcc::compile_library': crate has been renamed to `cc`, the `gcc` name is not maintained [INFO] [stderr] --> build.rs:93:2 [INFO] [stderr] | [INFO] [stderr] 93 | gcc::compile_library("libaes.a", &["src/aes/asm_impl.S"]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(deprecated)] on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'gcc::Config': gcc::Config has been renamed to gcc::Build [INFO] [stderr] --> build.rs:95:16 [INFO] [stderr] | [INFO] [stderr] 95 | let mut entry=gcc::Config::new(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'gcc::Build::new': crate has been renamed to `cc`, the `gcc` name is not maintained [INFO] [stderr] --> build.rs:95:16 [INFO] [stderr] | [INFO] [stderr] 95 | let mut entry=gcc::Config::new(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "0fc53693741ca5f6b68f625136fe894166cc71817b3eb703b63c264034e08fcf"` [INFO] running `"docker" "rm" "-f" "0fc53693741ca5f6b68f625136fe894166cc71817b3eb703b63c264034e08fcf"` [INFO] [stdout] 0fc53693741ca5f6b68f625136fe894166cc71817b3eb703b63c264034e08fcf