[INFO] updating cached repository wycats/language-reporting [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/wycats/language-reporting [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/wycats/language-reporting" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/wycats/language-reporting"` [INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/wycats/language-reporting'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/wycats/language-reporting" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/wycats/language-reporting"` [INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/wycats/language-reporting'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] b021c87e0d4916b5f32756151bf215c220eee52d [INFO] sha for GitHub repo wycats/language-reporting: b021c87e0d4916b5f32756151bf215c220eee52d [INFO] validating manifest of wycats/language-reporting on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of wycats/language-reporting on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing wycats/language-reporting [INFO] removed workspace from wycats/language-reporting [INFO] removed path dependency render-tree from wycats/language-reporting [INFO] finished frobbing wycats/language-reporting [INFO] frobbed toml for wycats/language-reporting written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/wycats/language-reporting/Cargo.toml [INFO] started frobbing wycats/language-reporting [INFO] removed workspace from wycats/language-reporting [INFO] removed path dependency render-tree from wycats/language-reporting [INFO] finished frobbing wycats/language-reporting [INFO] frobbed toml for wycats/language-reporting written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/wycats/language-reporting/Cargo.toml [INFO] crate wycats/language-reporting already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/wycats/language-reporting/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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking wycats/language-reporting against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-7/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/wycats/language-reporting:/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=forbid" "-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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 2cac5e36491d35d981d0b4cbe2ce9cf5a4466dd54bc92b1a9544344396a8ef4b [INFO] running `"docker" "start" "-a" "2cac5e36491d35d981d0b4cbe2ce9cf5a4466dd54bc92b1a9544344396a8ef4b"` [INFO] [stderr] Checking unindent v0.1.4 [INFO] [stderr] Checking runtime-fmt v0.3.0 [INFO] [stderr] Checking render-tree v0.1.1 [INFO] [stderr] Checking dirs v1.0.5 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Compiling derive-new v0.5.8 [INFO] [stderr] Checking env_logger v0.5.13 [INFO] [stderr] Checking term v0.5.2 [INFO] [stderr] error[E0658]: use of unstable library feature 'unicode_internals' [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/runtime-fmt-0.3.0/src/fmt_macros.rs:422:34 [INFO] [stderr] | [INFO] [stderr] 422 | Some(&(pos, c)) if c.is_xid_start() => { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: add `#![feature(unicode_internals)]` to the crate attributes to enable [INFO] [stderr] [INFO] [stderr] error[E0658]: use of unstable library feature 'unicode_internals' [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/runtime-fmt-0.3.0/src/fmt_macros.rs:431:18 [INFO] [stderr] | [INFO] [stderr] 431 | if c.is_xid_continue() { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: add `#![feature(unicode_internals)]` to the crate attributes to enable [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0658`. [INFO] [stderr] error: Could not compile `runtime-fmt`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "2cac5e36491d35d981d0b4cbe2ce9cf5a4466dd54bc92b1a9544344396a8ef4b"` [INFO] running `"docker" "rm" "-f" "2cac5e36491d35d981d0b4cbe2ce9cf5a4466dd54bc92b1a9544344396a8ef4b"` [INFO] [stdout] 2cac5e36491d35d981d0b4cbe2ce9cf5a4466dd54bc92b1a9544344396a8ef4b