[INFO] cloning repository QSCTech/jw-parser [INFO] running `"git" "clone" "--bare" "git://github.com/QSCTech/jw-parser.git" "work/cache/sources/gh/QSCTech/jw-parser"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/QSCTech/jw-parser'... [INFO] running `"git" "clone" "work/cache/sources/gh/QSCTech/jw-parser" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/QSCTech/jw-parser"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/QSCTech/jw-parser'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/QSCTech/jw-parser" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/QSCTech/jw-parser"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/QSCTech/jw-parser'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 90320ab1839203ac5f412edaa17c73f50f55b50d [INFO] sha for GitHub repo QSCTech/jw-parser: 90320ab1839203ac5f412edaa17c73f50f55b50d [INFO] validating manifest of QSCTech/jw-parser on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of QSCTech/jw-parser on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049 [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing QSCTech/jw-parser [INFO] finished frobbing QSCTech/jw-parser [INFO] frobbed toml for QSCTech/jw-parser written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/QSCTech/jw-parser/Cargo.toml [INFO] started frobbing QSCTech/jw-parser [INFO] finished frobbing QSCTech/jw-parser [INFO] frobbed toml for QSCTech/jw-parser written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/QSCTech/jw-parser/Cargo.toml [INFO] crate QSCTech/jw-parser already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking QSCTech/jw-parser against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008 [INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-4/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/QSCTech/jw-parser:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 233576db43aeaf8db202adf6449d0dd6f81ae6c0f2217d78f5cd76909a9af535 [INFO] running `"docker" "start" "-a" "233576db43aeaf8db202adf6449d0dd6f81ae6c0f2217d78f5cd76909a9af535"` [INFO] [stderr] Compiling nodrop v0.1.13 [INFO] [stderr] Compiling thin-slice v0.1.1 [INFO] [stderr] Compiling ego-tree v0.6.0 [INFO] [stderr] Compiling dtoa-short v0.3.2 [INFO] [stderr] Compiling fxhash v0.2.1 [INFO] [stderr] Compiling tendril v0.4.1 [INFO] [stderr] Compiling backtrace v0.3.13 [INFO] [stderr] Compiling derive_more v0.13.0 [INFO] [stderr] Compiling reformation_derive v0.4.1 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling servo_arc v0.1.1 [INFO] [stderr] Compiling failure v0.1.5 [INFO] [stderr] Compiling string_cache_codegen v0.4.2 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Compiling selectors v0.20.0 [INFO] [stderr] Compiling cssparser-macros v0.3.5 [INFO] [stderr] Compiling string_cache v0.7.3 [INFO] [stderr] Compiling markup5ever v0.7.5 [INFO] [stderr] Compiling cssparser v0.24.1 [INFO] [stderr] Checking reformation v0.4.1 [INFO] [stderr] warning[E0506]: cannot assign to `self.input.cached_token` because it is borrowed [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cssparser-0.24.1/src/parser.rs:572:17 [INFO] [stderr] | [INFO] [stderr] 547 | pub fn next_including_whitespace_and_comments(&mut self) -> Result<&Token<'i>, BasicParseError<'i>> { [INFO] [stderr] | - let's call the lifetime of this reference `'1` [INFO] [stderr] ... [INFO] [stderr] 560 | Some(ref cached_token) [INFO] [stderr] | ---------------- borrow of `self.input.cached_token` occurs here [INFO] [stderr] ... [INFO] [stderr] 572 | self.input.cached_token = Some(CachedToken { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ assignment to borrowed `self.input.cached_token` occurs here [INFO] [stderr] ... [INFO] [stderr] 584 | Ok(token) [INFO] [stderr] | --------- returning this value requires that `self.input.cached_token.0` is borrowed for `'1` [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] warning[E0506]: cannot assign to `self.input.cached_token` because it is borrowed [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cssparser-0.24.1/src/parser.rs:572:17 [INFO] [stderr] | [INFO] [stderr] 547 | pub fn next_including_whitespace_and_comments(&mut self) -> Result<&Token<'i>, BasicParseError<'i>> { [INFO] [stderr] | - let's call the lifetime of this reference `'1` [INFO] [stderr] ... [INFO] [stderr] 560 | Some(ref cached_token) [INFO] [stderr] | ---------------- borrow of `self.input.cached_token` occurs here [INFO] [stderr] ... [INFO] [stderr] 572 | self.input.cached_token = Some(CachedToken { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ assignment to borrowed `self.input.cached_token` occurs here [INFO] [stderr] ... [INFO] [stderr] 584 | Ok(token) [INFO] [stderr] | --------- returning this value requires that `self.input.cached_token.0` is borrowed for `'1` [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] Checking html5ever v0.22.5 [INFO] [stderr] Checking scraper v0.9.1 [INFO] [stderr] Checking unhtml v0.6.0 [INFO] [stderr] Compiling unhtml_derive v0.5.2 [INFO] [stderr] Checking zju-jw-parser v0.1.5 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 46.24s [INFO] running `"docker" "inspect" "233576db43aeaf8db202adf6449d0dd6f81ae6c0f2217d78f5cd76909a9af535"` [INFO] running `"docker" "rm" "-f" "233576db43aeaf8db202adf6449d0dd6f81ae6c0f2217d78f5cd76909a9af535"` [INFO] [stdout] 233576db43aeaf8db202adf6449d0dd6f81ae6c0f2217d78f5cd76909a9af535