[INFO] crate cargo-modules 0.4.4 is already in cache [INFO] extracting crate cargo-modules 0.4.4 into work/ex/beta-1.37-6/sources/1.36.0/reg/cargo-modules/0.4.4 [INFO] extracting crate cargo-modules 0.4.4 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/cargo-modules/0.4.4 [INFO] validating manifest of cargo-modules-0.4.4 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 cargo-modules-0.4.4 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 cargo-modules-0.4.4 [INFO] finished frobbing cargo-modules-0.4.4 [INFO] frobbed toml for cargo-modules-0.4.4 written to work/ex/beta-1.37-6/sources/1.36.0/reg/cargo-modules/0.4.4/Cargo.toml [INFO] started frobbing cargo-modules-0.4.4 [INFO] finished frobbing cargo-modules-0.4.4 [INFO] frobbed toml for cargo-modules-0.4.4 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/cargo-modules/0.4.4/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 cargo-modules-0.4.4 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-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/cargo-modules/0.4.4:/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] e294f1a078616c4f50b4bfd0ac37dfb7afa7b7a99acb731fd89a0d7b4f9eecb3 [INFO] running `"docker" "start" "-a" "e294f1a078616c4f50b4bfd0ac37dfb7afa7b7a99acb731fd89a0d7b4f9eecb3"` [INFO] [stderr] Compiling rustc-rayon-core v0.1.2 [INFO] [stderr] Compiling rustc-rayon v0.1.2 [INFO] [stderr] Compiling smallvec v0.6.10 [INFO] [stderr] Compiling rustc-ap-graphviz v373.0.0 [INFO] [stderr] Compiling syn v0.15.42 [INFO] [stderr] Compiling winapi v0.3.7 [INFO] [stderr] Compiling rustc-ap-rustc_target v373.0.0 [INFO] [stderr] Compiling scoped-tls v0.1.2 [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/rustc-ap-graphviz-373.0.0/lib.rs:279:1 [INFO] [stderr] | [INFO] [stderr] 279 | #![feature(rustc_private, nll)] [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/scoped-tls-0.1.2/src/lib.rs:47:34 [INFO] [stderr] | [INFO] [stderr] 47 | #![cfg_attr(feature = "nightly", feature(macro_vis_matcher))] [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/scoped-tls-0.1.2/src/lib.rs:48:34 [INFO] [stderr] | [INFO] [stderr] 48 | #![cfg_attr(feature = "nightly", feature(allow_internal_unstable))] [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/smallvec-0.6.10/lib.rs:33:32 [INFO] [stderr] | [INFO] [stderr] 33 | #![cfg_attr(feature = "union", feature(untagged_unions))] [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/smallvec-0.6.10/lib.rs:35:37 [INFO] [stderr] | [INFO] [stderr] 35 | #![cfg_attr(feature = "may_dangle", feature(dropck_eyepatch))] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: Could not compile `scoped-tls`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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: Could not compile `rustc-ap-graphviz`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: Could not compile `smallvec`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "e294f1a078616c4f50b4bfd0ac37dfb7afa7b7a99acb731fd89a0d7b4f9eecb3"` [INFO] running `"docker" "rm" "-f" "e294f1a078616c4f50b4bfd0ac37dfb7afa7b7a99acb731fd89a0d7b4f9eecb3"` [INFO] [stdout] e294f1a078616c4f50b4bfd0ac37dfb7afa7b7a99acb731fd89a0d7b4f9eecb3