[INFO] crate pumpkin 2.0.1 is already in cache [INFO] testing pumpkin-2.0.1 against 1.38.0 for beta-1.39-1 [INFO] extracting crate pumpkin 2.0.1 into work/builds/worker-7/source [INFO] validating manifest of crates.io crate pumpkin 2.0.1 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 crates.io crate pumpkin 2.0.1 [INFO] finished tweaking crates.io crate pumpkin 2.0.1 [INFO] tweaked toml for crates.io crate pumpkin 2.0.1 written to work/builds/worker-7/source/Cargo.toml [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [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] f7c788701d7214aba90203ad8fc69b5acb2a9ce66ae735f0931ceff6652cb19f [INFO] running `"docker" "start" "-a" "f7c788701d7214aba90203ad8fc69b5acb2a9ce66ae735f0931ceff6652cb19f"` [INFO] [stderr] Compiling rustc-cfg v0.2.0 [INFO] [stderr] Compiling custom_derive v0.1.7 [INFO] [stderr] Compiling newtype_derive v0.1.6 [INFO] [stderr] Compiling ramp v0.3.13 [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/ramp-0.3.13/src/lib.rs:18:1 [INFO] [stderr] | [INFO] [stderr] 18 | #![feature(core_intrinsics, asm, allocator_api)] [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/ramp-0.3.13/src/lib.rs:19:1 [INFO] [stderr] | [INFO] [stderr] 19 | #![feature(step_trait, ptr_internals, alloc)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ramp-0.3.13/src/int.rs:43:5 [INFO] [stderr] | [INFO] [stderr] 43 | use alloc::raw_vec::RawVec; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ramp-0.3.13/src/int.rs:152:36 [INFO] [stderr] | [INFO] [stderr] 152 | fn with_raw_vec)>(&mut self, f: F) { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ramp-0.3.13/src/int.rs:155:27 [INFO] [stderr] | [INFO] [stderr] 155 | let mut vec = RawVec::from_raw_parts(self.ptr.as_mut(), old_cap); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ramp-0.3.13/src/int.rs:939:22 [INFO] [stderr] | [INFO] [stderr] 939 | drop(RawVec::from_raw_parts(self.ptr.as_mut(), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ramp-0.3.13/src/int.rs:163:40 [INFO] [stderr] | [INFO] [stderr] 163 | self.ptr = Unique::new(vec.ptr()).unwrap(); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `cap` found for type `alloc::raw_vec::RawVec` in the current scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ramp-0.3.13/src/int.rs:164:31 [INFO] [stderr] | [INFO] [stderr] 164 | let new_cap = vec.cap(); [INFO] [stderr] | ^^^ private field, not a method [INFO] [stderr] [INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ramp-0.3.13/src/int.rs:186:36 [INFO] [stderr] | [INFO] [stderr] 186 | ret.with_raw_vec(|v| v.reserve_exact(0, cap as usize)) [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ramp-0.3.13/src/int.rs:275:15 [INFO] [stderr] | [INFO] [stderr] 275 | v.shrink_to_fit(size); [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ramp-0.3.13/src/int.rs:760:19 [INFO] [stderr] | [INFO] [stderr] 760 | v.reserve_exact(old_cap, cap as usize - old_cap) [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 11 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0554, E0599, E0658. [INFO] [stderr] For more information about an error, try `rustc --explain E0554`. [INFO] [stderr] error: Could not compile `ramp`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "f7c788701d7214aba90203ad8fc69b5acb2a9ce66ae735f0931ceff6652cb19f"` [INFO] running `"docker" "rm" "-f" "f7c788701d7214aba90203ad8fc69b5acb2a9ce66ae735f0931ceff6652cb19f"` [INFO] [stdout] f7c788701d7214aba90203ad8fc69b5acb2a9ce66ae735f0931ceff6652cb19f