[INFO] crate rustc-ap-rustc_errors 539.0.0 is already in cache [INFO] extracting crate rustc-ap-rustc_errors 539.0.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/rustc-ap-rustc_errors/539.0.0 [INFO] extracting crate rustc-ap-rustc_errors 539.0.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rustc-ap-rustc_errors/539.0.0 [INFO] validating manifest of rustc-ap-rustc_errors-539.0.0 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 rustc-ap-rustc_errors-539.0.0 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 rustc-ap-rustc_errors-539.0.0 [INFO] finished frobbing rustc-ap-rustc_errors-539.0.0 [INFO] frobbed toml for rustc-ap-rustc_errors-539.0.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/rustc-ap-rustc_errors/539.0.0/Cargo.toml [INFO] started frobbing rustc-ap-rustc_errors-539.0.0 [INFO] finished frobbing rustc-ap-rustc_errors-539.0.0 [INFO] frobbed toml for rustc-ap-rustc_errors-539.0.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rustc-ap-rustc_errors/539.0.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache [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 rustc-ap-rustc_errors-539.0.0 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/reg/rustc-ap-rustc_errors/539.0.0:/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] 7f9eeee2abaee9b74af4fc834fe75d8ce881ce5ba4208d74ba0669b0830c8fde [INFO] running `"docker" "start" "-a" "7f9eeee2abaee9b74af4fc834fe75d8ce881ce5ba4208d74ba0669b0830c8fde"` [INFO] [stderr] Compiling memoffset v0.2.1 [INFO] [stderr] Compiling rustc-rayon-core v0.2.0 [INFO] [stderr] Compiling rustc-rayon v0.2.0 [INFO] [stderr] Compiling smallvec v0.6.10 [INFO] [stderr] Compiling rustc-ap-graphviz v539.0.0 [INFO] [stderr] Compiling scoped-tls v1.0.0 [INFO] [stderr] Compiling annotate-snippets v0.5.0 [INFO] [stderr] Compiling crossbeam-utils v0.2.2 [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-539.0.0/lib.rs:279:1 [INFO] [stderr] | [INFO] [stderr] 279 | #![feature(rustc_private, nll)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [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 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[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-utils-0.6.6/src/lib.rs:32:34 [INFO] [stderr] | [INFO] [stderr] 32 | #![cfg_attr(feature = "nightly", feature(cfg_target_has_atomic))] [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 `smallvec`. [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 `crossbeam-utils`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "7f9eeee2abaee9b74af4fc834fe75d8ce881ce5ba4208d74ba0669b0830c8fde"` [INFO] running `"docker" "rm" "-f" "7f9eeee2abaee9b74af4fc834fe75d8ce881ce5ba4208d74ba0669b0830c8fde"` [INFO] [stdout] 7f9eeee2abaee9b74af4fc834fe75d8ce881ce5ba4208d74ba0669b0830c8fde