[INFO] cloning repository stevenosloan/timeline [INFO] running `"git" "clone" "--bare" "git://github.com/stevenosloan/timeline.git" "work/cache/sources/gh/stevenosloan/timeline"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/stevenosloan/timeline'... [INFO] running `"git" "clone" "work/cache/sources/gh/stevenosloan/timeline" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/stevenosloan/timeline"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/stevenosloan/timeline'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/stevenosloan/timeline" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/stevenosloan/timeline"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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#c8865d8e195813ade6b84434ac9f8850e7112d1a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of stevenosloan/timeline on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-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-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded syntex v0.32.0 [INFO] [stderr] Downloaded syntex_syntax v0.32.0 [INFO] [stderr] Downloaded clap v2.2.6 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing stevenosloan/timeline against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"` [INFO] [stdout] 2d1cf4a3458361232d07cc847db04a8efc55f633254498bdf3bdbc0ee29dac81 [INFO] running `"docker" "start" "-a" "2d1cf4a3458361232d07cc847db04a8efc55f633254498bdf3bdbc0ee29dac81"` [INFO] [stderr] Compiling unicode-xid v0.0.3 [INFO] [stderr] Compiling serde v0.7.15 [INFO] [stderr] Compiling syntex_pos v0.39.0 [INFO] [stderr] Compiling gif v0.8.0 [INFO] [stderr] Compiling clap v2.2.6 [INFO] [stderr] Compiling term v0.2.14 [INFO] [stderr] Compiling num-bigint v0.1.44 [INFO] [stderr] Compiling png v0.5.2 [INFO] [stderr] Compiling syntex_errors v0.39.0 [INFO] [stderr] Compiling syntex_syntax v0.32.0 [INFO] [stderr] Compiling num-rational v0.1.42 [INFO] [stderr] Compiling syntex_syntax v0.39.0 [INFO] [stderr] Compiling image v0.9.1 [INFO] [stderr] Compiling serde_json v0.7.4 [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 {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" "2d1cf4a3458361232d07cc847db04a8efc55f633254498bdf3bdbc0ee29dac81"` [INFO] running `"docker" "rm" "-f" "2d1cf4a3458361232d07cc847db04a8efc55f633254498bdf3bdbc0ee29dac81"` [INFO] [stdout] 2d1cf4a3458361232d07cc847db04a8efc55f633254498bdf3bdbc0ee29dac81