[INFO] updating cached repository stevenosloan/timeline
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/stevenosloan/timeline
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/stevenosloan/timeline" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/stevenosloan/timeline"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/stevenosloan/timeline'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/stevenosloan/timeline" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/stevenosloan/timeline"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/stevenosloan/timeline'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b49db35f52d6955bd6848c99433446a838ea5978
[INFO] sha for GitHub repo stevenosloan/timeline: b49db35f52d6955bd6848c99433446a838ea5978
[INFO] validating manifest of stevenosloan/timeline on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of stevenosloan/timeline on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing stevenosloan/timeline
[INFO] finished frobbing stevenosloan/timeline
[INFO] frobbed toml for stevenosloan/timeline written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/stevenosloan/timeline/Cargo.toml
[INFO] started frobbing stevenosloan/timeline
[INFO] finished frobbing stevenosloan/timeline
[INFO] frobbed toml for stevenosloan/timeline written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/stevenosloan/timeline/Cargo.toml
[INFO] crate stevenosloan/timeline already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/stevenosloan/timeline/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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking stevenosloan/timeline against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-2/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/stevenosloan/timeline:/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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] eb36171fade226103f1003cf8a6fc6a3b9f9c7d568c5fb37fcafe64d9e71e239
[INFO] running `"docker" "start" "-a" "eb36171fade226103f1003cf8a6fc6a3b9f9c7d568c5fb37fcafe64d9e71e239"`
[INFO] [stderr]    Compiling syntex_pos v0.39.0
[INFO] [stderr]     Checking gif v0.8.0
[INFO] [stderr]     Checking clap v2.2.6
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking serde_json v0.7.4
[INFO] [stderr]    Compiling syntex_syntax v0.32.0
[INFO] [stderr]     Checking png v0.5.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling syntex_errors v0.39.0
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking image v0.9.1
[INFO] [stderr]    Compiling syntex_syntax v0.39.0
[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] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "eb36171fade226103f1003cf8a6fc6a3b9f9c7d568c5fb37fcafe64d9e71e239"`
[INFO] running `"docker" "rm" "-f" "eb36171fade226103f1003cf8a6fc6a3b9f9c7d568c5fb37fcafe64d9e71e239"`
[INFO] [stdout] eb36171fade226103f1003cf8a6fc6a3b9f9c7d568c5fb37fcafe64d9e71e239