[INFO] updating cached repository https://github.com/regexident/cargo-modules [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 5de36094a0187752b7ab5942ceb905aff1d513ea [INFO] testing regexident/cargo-modules against 1.38.0 for beta-1.39-1 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fregexident%2Fcargo-modules" "work/builds/worker-7/source"` [INFO] [stderr] Cloning into 'work/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/regexident/cargo-modules on toolchain 1.38.0 [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/regexident/cargo-modules [INFO] finished tweaking git repo https://github.com/regexident/cargo-modules [INFO] tweaked toml for git repo https://github.com/regexident/cargo-modules written to work/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/regexident/cargo-modules already has a lockfile, it will not be regenerated [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"` [INFO] [stdout] eb53a0e3055b50df6b0ce584c1e9183246140e1cf0fbe4385ae31b79cb62c7fe [INFO] running `"docker" "start" "-a" "eb53a0e3055b50df6b0ce584c1e9183246140e1cf0fbe4385ae31b79cb62c7fe"` [INFO] [stderr] Compiling rustc-rayon-core v0.2.0 [INFO] [stderr] Compiling rustc-rayon v0.2.0 [INFO] [stderr] Compiling smallvec v0.6.9 [INFO] [stderr] Compiling rustc-ap-graphviz v596.0.0 [INFO] [stderr] Compiling winapi v0.3.7 [INFO] [stderr] Compiling bitflags v1.0.5 [INFO] [stderr] Compiling rustc-ap-rustc_target v596.0.0 [INFO] [stderr] Compiling annotate-snippets v0.6.1 [INFO] [stderr] Compiling rustc-ap-syntax v596.0.0 [INFO] [stderr] Compiling lock_api v0.3.1 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling rustc-ap-rustc_lexer v596.0.0 [INFO] [stderr] Compiling ena v0.13.0 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling num_cpus v1.10.0 [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lock_api-0.3.1/src/lib.rs:89:34 [INFO] [stderr] | [INFO] [stderr] 89 | #![cfg_attr(feature = "nightly", 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: Could not compile `lock_api`. [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/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/smallvec-0.6.9/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/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/smallvec-0.6.9/lib.rs:35:37 [INFO] [stderr] | [INFO] [stderr] 35 | #![cfg_attr(feature = "may_dangle", feature(dropck_eyepatch))] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stderr] --> /opt/rustwide/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[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-graphviz-596.0.0/lib.rs:277:1 [INFO] [stderr] | [INFO] [stderr] 277 | #![feature(rustc_private, nll)] [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: 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" "eb53a0e3055b50df6b0ce584c1e9183246140e1cf0fbe4385ae31b79cb62c7fe"` [INFO] running `"docker" "rm" "-f" "eb53a0e3055b50df6b0ce584c1e9183246140e1cf0fbe4385ae31b79cb62c7fe"` [INFO] [stdout] eb53a0e3055b50df6b0ce584c1e9183246140e1cf0fbe4385ae31b79cb62c7fe