[INFO] updating cached repository archer884/cryptid [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/archer884/cryptid [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/archer884/cryptid" "work/ex/beta-1.38-1/sources/1.37.0/gh/archer884/cryptid"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/archer884/cryptid'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/archer884/cryptid" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/archer884/cryptid"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/archer884/cryptid'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 0a408f227f1e89cdd244d67e5bb4b966a066386f [INFO] sha for GitHub repo archer884/cryptid: 0a408f227f1e89cdd244d67e5bb4b966a066386f [INFO] validating manifest of archer884/cryptid 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 archer884/cryptid 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 archer884/cryptid [INFO] finished frobbing archer884/cryptid [INFO] frobbed toml for archer884/cryptid written to work/ex/beta-1.38-1/sources/1.37.0/gh/archer884/cryptid/Cargo.toml [INFO] started frobbing archer884/cryptid [INFO] finished frobbing archer884/cryptid [INFO] frobbed toml for archer884/cryptid written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/archer884/cryptid/Cargo.toml [INFO] crate archer884/cryptid 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 archer884/cryptid against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/archer884/cryptid:/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" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 50b9bdc9018fd1b023d5620efe0d7062ca088749a1e1c645b3c0fd73ab4724d4 [INFO] running `"docker" "start" "-a" "50b9bdc9018fd1b023d5620efe0d7062ca088749a1e1c645b3c0fd73ab4724d4"` [INFO] [stderr] Compiling byteorder v1.2.6 [INFO] [stderr] Compiling num-rational v0.1.42 [INFO] [stderr] Compiling hashbrown v0.1.0 [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.1.0/src/lib.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | feature(alloc, allocator_api, ptr_offset_from, test, core_intrinsics) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.1.0/src/raw/mod.rs:142:16 [INFO] [stderr] | [INFO] [stderr] 142 | let data = Layout::array::(buckets).ok()?; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: for more information, see https://github.com/rust-lang/rust/issues/55724 [INFO] [stderr] [INFO] [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.1.0/src/raw/mod.rs:149:16 [INFO] [stderr] | [INFO] [stderr] 149 | let ctrl = Layout::array::(buckets + Group::WIDTH) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: for more information, see https://github.com/rust-lang/rust/issues/55724 [INFO] [stderr] [INFO] [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.1.0/src/raw/mod.rs:151:10 [INFO] [stderr] | [INFO] [stderr] 151 | .align_to(Group::WIDTH); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: for more information, see https://github.com/rust-lang/rust/issues/55724 [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `extend` found for type `core::result::Result` in the current scope [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.1.0/src/raw/mod.rs:153:10 [INFO] [stderr] | [INFO] [stderr] 153 | ctrl.extend(data).ok() [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 5 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 `hashbrown`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "50b9bdc9018fd1b023d5620efe0d7062ca088749a1e1c645b3c0fd73ab4724d4"` [INFO] running `"docker" "rm" "-f" "50b9bdc9018fd1b023d5620efe0d7062ca088749a1e1c645b3c0fd73ab4724d4"` [INFO] [stdout] 50b9bdc9018fd1b023d5620efe0d7062ca088749a1e1c645b3c0fd73ab4724d4