[INFO] crate graphy_backend 0.3.0 is already in cache
[INFO] extracting crate graphy_backend 0.3.0 into work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/graphy_backend/0.3.0
[INFO] extracting crate graphy_backend 0.3.0 into work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/graphy_backend/0.3.0
[INFO] validating manifest of graphy_backend-0.3.0 on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of graphy_backend-0.3.0 on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing graphy_backend-0.3.0
[INFO] finished frobbing graphy_backend-0.3.0
[INFO] frobbed toml for graphy_backend-0.3.0 written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/graphy_backend/0.3.0/Cargo.toml
[INFO] started frobbing graphy_backend-0.3.0
[INFO] finished frobbing graphy_backend-0.3.0
[INFO] frobbed toml for graphy_backend-0.3.0 written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/graphy_backend/0.3.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking graphy_backend-0.3.0 against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-5/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/graphy_backend/0.3.0:/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 635fcb7a61b64ca919166a50dc38b1455400af5d9398bf52b7df714587123fc1
[INFO] running `"docker" "start" "-a" "635fcb7a61b64ca919166a50dc38b1455400af5d9398bf52b7df714587123fc1"`
[INFO] [stderr]    Compiling serde v0.8.23
[INFO] [stderr]    Compiling itoa v0.1.1
[INFO] [stderr]    Compiling dtoa v0.2.2
[INFO] [stderr]     Checking graphy_error v0.2.0
[INFO] [stderr]    Compiling syntex_pos v0.39.0
[INFO] [stderr]    Compiling term v0.2.14
[INFO] [stderr]    Compiling target_build_utils v0.1.2
[INFO] [stderr]    Compiling syntex_syntax v0.32.0
[INFO] [stderr]    Compiling syntex_errors v0.39.0
[INFO] [stderr]    Compiling syntex_syntax v0.39.0
[INFO] [stderr]    Compiling serde_json v0.8.6
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/syntex_syntax-0.32.0/src/ext/base.rs:487:33
[INFO] [stderr]     |
[INFO] [stderr] 487 |                                 ext::quote::expand_quote_item));
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected concrete lifetime, found bound lifetime parameter 'cx
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `for<'cx, 'r, 's> fn(&'cx mut ext::base::ExtCtxt<'r>, codemap::Span, &'s [ast::TokenTree]) -> std::boxed::Box<(dyn ext::base::MacResult + 'cx)>`
[INFO] [stderr]                found type `for<'r, 's, 't0> fn(&'r mut ext::base::ExtCtxt<'s>, codemap::Span, &'t0 [ast::TokenTree]) -> std::boxed::Box<dyn ext::base::MacResult> {ext::quote::expand_quote_item::<'_>}`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: Could not compile `syntex_syntax`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning[E0502]: cannot borrow `cx.parse_sess.span_diagnostic` as immutable because it is also borrowed as mutable
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/syntex_syntax-0.39.0/src/ext/expand.rs:659:25
[INFO] [stderr]     |
[INFO] [stderr] 649 |         let mut expander = MacroExpander::new(&mut cx);
[INFO] [stderr]     |                                               ------- mutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 659 |         let err_count = cx.parse_sess.span_diagnostic.err_count();
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ immutable borrow occurs here
[INFO] [stderr] 660 |         let mut ret = expander.fold_crate(c);
[INFO] [stderr]     |                       -------- mutable borrow later used here
[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] error: build failed
[INFO] running `"docker" "inspect" "635fcb7a61b64ca919166a50dc38b1455400af5d9398bf52b7df714587123fc1"`
[INFO] running `"docker" "rm" "-f" "635fcb7a61b64ca919166a50dc38b1455400af5d9398bf52b7df714587123fc1"`
[INFO] [stdout] 635fcb7a61b64ca919166a50dc38b1455400af5d9398bf52b7df714587123fc1