[INFO] updating cached repository jmccrae/linked-words [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/jmccrae/linked-words [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/jmccrae/linked-words" "work/ex/beta-1.38-1/sources/1.37.0/gh/jmccrae/linked-words"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jmccrae/linked-words'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/jmccrae/linked-words" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jmccrae/linked-words"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jmccrae/linked-words'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 1ab851f1dc2b162c02d2fd87630b2e0804d65196 [INFO] sha for GitHub repo jmccrae/linked-words: 1ab851f1dc2b162c02d2fd87630b2e0804d65196 [INFO] validating manifest of jmccrae/linked-words 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 jmccrae/linked-words 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 jmccrae/linked-words [INFO] finished frobbing jmccrae/linked-words [INFO] frobbed toml for jmccrae/linked-words written to work/ex/beta-1.38-1/sources/1.37.0/gh/jmccrae/linked-words/Cargo.toml [INFO] started frobbing jmccrae/linked-words [INFO] finished frobbing jmccrae/linked-words [INFO] frobbed toml for jmccrae/linked-words written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jmccrae/linked-words/Cargo.toml [INFO] crate jmccrae/linked-words 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] [stderr] Blocking waiting for file lock on package cache [INFO] testing jmccrae/linked-words 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-6/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/jmccrae/linked-words:/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] efd9a6aa30a93114a37722ea7c93ab6c7a078220736904e7b9a37332e28ff993 [INFO] running `"docker" "start" "-a" "efd9a6aa30a93114a37722ea7c93ab6c7a078220736904e7b9a37332e28ff993"` [INFO] [stderr] Compiling yansi v0.3.4 [INFO] [stderr] Compiling state v0.3.2 [INFO] [stderr] Compiling pear v0.0.12 [INFO] [stderr] Compiling libsqlite3-sys v0.9.1 [INFO] [stderr] Compiling rayon v0.7.1 [INFO] [stderr] Compiling fs2 v0.2.5 [INFO] [stderr] Compiling backtrace v0.2.3 [INFO] [stderr] Compiling handlebars v0.29.1 [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/state-0.3.2/src/lib.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(const_fn)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [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/state-0.3.2/src/lib.rs:2:1 [INFO] [stderr] | [INFO] [stderr] 2 | #![feature(const_unsafe_cell_new)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [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/state-0.3.2/src/lib.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | #![feature(const_atomic_usize_new)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [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/state-0.3.2/src/lib.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | #![feature(const_atomic_bool_new)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 4 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: Could not compile `state`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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/yansi-0.3.4/src/lib.rs:1:32 [INFO] [stderr] | [INFO] [stderr] 1 | #![cfg_attr(feature="nightly", feature(const_atomic_bool_new))] [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 `yansi`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "efd9a6aa30a93114a37722ea7c93ab6c7a078220736904e7b9a37332e28ff993"` [INFO] running `"docker" "rm" "-f" "efd9a6aa30a93114a37722ea7c93ab6c7a078220736904e7b9a37332e28ff993"` [INFO] [stdout] efd9a6aa30a93114a37722ea7c93ab6c7a078220736904e7b9a37332e28ff993