[INFO] updating cached repository TheJakeSchmidt/wikipedia-minus-wikipedians [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/TheJakeSchmidt/wikipedia-minus-wikipedians [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/TheJakeSchmidt/wikipedia-minus-wikipedians" "work/ex/beta-1.37-6/sources/1.36.0/gh/TheJakeSchmidt/wikipedia-minus-wikipedians"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/TheJakeSchmidt/wikipedia-minus-wikipedians'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/TheJakeSchmidt/wikipedia-minus-wikipedians" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/TheJakeSchmidt/wikipedia-minus-wikipedians"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/TheJakeSchmidt/wikipedia-minus-wikipedians'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 60410fa53241a78411821b7d76fb9ba9488043bf [INFO] sha for GitHub repo TheJakeSchmidt/wikipedia-minus-wikipedians: 60410fa53241a78411821b7d76fb9ba9488043bf [INFO] validating manifest of TheJakeSchmidt/wikipedia-minus-wikipedians on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of TheJakeSchmidt/wikipedia-minus-wikipedians on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing TheJakeSchmidt/wikipedia-minus-wikipedians [INFO] finished frobbing TheJakeSchmidt/wikipedia-minus-wikipedians [INFO] frobbed toml for TheJakeSchmidt/wikipedia-minus-wikipedians written to work/ex/beta-1.37-6/sources/1.36.0/gh/TheJakeSchmidt/wikipedia-minus-wikipedians/Cargo.toml [INFO] started frobbing TheJakeSchmidt/wikipedia-minus-wikipedians [INFO] finished frobbing TheJakeSchmidt/wikipedia-minus-wikipedians [INFO] frobbed toml for TheJakeSchmidt/wikipedia-minus-wikipedians written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/TheJakeSchmidt/wikipedia-minus-wikipedians/Cargo.toml [INFO] crate TheJakeSchmidt/wikipedia-minus-wikipedians already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/TheJakeSchmidt/wikipedia-minus-wikipedians/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing TheJakeSchmidt/wikipedia-minus-wikipedians against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/TheJakeSchmidt/wikipedia-minus-wikipedians:/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" "+1.36.0" "build" "--frozen"` [INFO] [stdout] e57181b5af882a0b749ab2efc2325d87b9ce955f5dec9896e972324a3c498715 [INFO] running `"docker" "start" "-a" "e57181b5af882a0b749ab2efc2325d87b9ce955f5dec9896e972324a3c498715"` [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling idna v0.2.0 [INFO] [stderr] Compiling thread-id v3.3.0 [INFO] [stderr] Compiling serde_yaml v0.8.9 [INFO] [stderr] Compiling tendril v0.1.6 [INFO] [stderr] Compiling combine v3.8.1 [INFO] [stderr] Compiling ordered-float v1.0.2 [INFO] [stderr] Compiling flate2 v1.0.9 [INFO] [stderr] Compiling chrono v0.4.7 [INFO] [stderr] Compiling tempfile v1.1.3 [INFO] [stderr] Compiling html5ever v0.24.0 [INFO] [stderr] Compiling serde-value v0.5.3 [INFO] [stderr] Compiling string_cache_codegen v0.4.2 [INFO] [stderr] Compiling string_cache v0.2.29 [INFO] [stderr] Compiling html5ever v0.2.11 [INFO] [stderr] Compiling tokio-io v0.1.12 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling mio v0.6.19 [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/regex-0.2.11/src/lib.rs:522:34 [INFO] [stderr] | [INFO] [stderr] 522 | #![cfg_attr(feature = "pattern", feature(pattern))] [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Compiling want v0.2.0 [INFO] [stderr] Compiling url v2.0.0 [INFO] [stderr] Compiling tokio-threadpool v0.1.15 [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 `regex`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "e57181b5af882a0b749ab2efc2325d87b9ce955f5dec9896e972324a3c498715"` [INFO] running `"docker" "rm" "-f" "e57181b5af882a0b749ab2efc2325d87b9ce955f5dec9896e972324a3c498715"` [INFO] [stdout] e57181b5af882a0b749ab2efc2325d87b9ce955f5dec9896e972324a3c498715