[INFO] updating cached repository oxnan/OSnan [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/oxnan/OSnan [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/oxnan/OSnan" "work/ex/beta-1.38-1/sources/1.37.0/gh/oxnan/OSnan"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/oxnan/OSnan'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/oxnan/OSnan" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/oxnan/OSnan"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/oxnan/OSnan'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 5ddf3bc201e0d7833f50698282f186788bd3b31d [INFO] sha for GitHub repo oxnan/OSnan: 5ddf3bc201e0d7833f50698282f186788bd3b31d [INFO] validating manifest of oxnan/OSnan on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of oxnan/OSnan on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing oxnan/OSnan [INFO] finished frobbing oxnan/OSnan [INFO] frobbed toml for oxnan/OSnan written to work/ex/beta-1.38-1/sources/1.37.0/gh/oxnan/OSnan/Cargo.toml [INFO] started frobbing oxnan/OSnan [INFO] finished frobbing oxnan/OSnan [INFO] frobbed toml for oxnan/OSnan written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/oxnan/OSnan/Cargo.toml [INFO] crate oxnan/OSnan already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing oxnan/OSnan against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/oxnan/OSnan:/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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] 8f240d78800a99d29b11c27953bbac457b5360d538dd07f8f95bd976cd41f502 [INFO] running `"docker" "start" "-a" "8f240d78800a99d29b11c27953bbac457b5360d538dd07f8f95bd976cd41f502"` [INFO] [stderr] Compiling spin v0.4.5 [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-0.4.5/src/lib.rs:6:30 [INFO] [stderr] | [INFO] [stderr] 6 | #![cfg_attr(feature = "asm", feature(asm))] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [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-0.4.5/src/lib.rs:7:42 [INFO] [stderr] | [INFO] [stderr] 7 | #![cfg_attr(feature = "core_intrinsics", feature(core_intrinsics))] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [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-0.4.5/src/lib.rs:8:35 [INFO] [stderr] | [INFO] [stderr] 8 | #![cfg_attr(feature = "const_fn", feature(const_fn))] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 3 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: Could not compile `spin`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "8f240d78800a99d29b11c27953bbac457b5360d538dd07f8f95bd976cd41f502"` [INFO] running `"docker" "rm" "-f" "8f240d78800a99d29b11c27953bbac457b5360d538dd07f8f95bd976cd41f502"` [INFO] [stdout] 8f240d78800a99d29b11c27953bbac457b5360d538dd07f8f95bd976cd41f502