[INFO] updating cached repository RuneBlaze/kmer_vec
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/RuneBlaze/kmer_vec
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/RuneBlaze/kmer_vec" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/RuneBlaze/kmer_vec"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/RuneBlaze/kmer_vec'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/RuneBlaze/kmer_vec" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/RuneBlaze/kmer_vec"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/RuneBlaze/kmer_vec'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 04a6cc6e1d62a1f79204b412cc34845fc3d52cc4
[INFO] sha for GitHub repo RuneBlaze/kmer_vec: 04a6cc6e1d62a1f79204b412cc34845fc3d52cc4
[INFO] validating manifest of RuneBlaze/kmer_vec 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 RuneBlaze/kmer_vec 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 RuneBlaze/kmer_vec
[INFO] finished frobbing RuneBlaze/kmer_vec
[INFO] frobbed toml for RuneBlaze/kmer_vec written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/RuneBlaze/kmer_vec/Cargo.toml
[INFO] started frobbing RuneBlaze/kmer_vec
[INFO] finished frobbing RuneBlaze/kmer_vec
[INFO] frobbed toml for RuneBlaze/kmer_vec written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/RuneBlaze/kmer_vec/Cargo.toml
[INFO] crate RuneBlaze/kmer_vec 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]     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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking RuneBlaze/kmer_vec 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/RuneBlaze/kmer_vec:/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] 9938a7b4c8b048f4e55144cf6dd2a079fcaf3989d45df58a1c3e40d4381c4a44
[INFO] running `"docker" "start" "-a" "9938a7b4c8b048f4e55144cf6dd2a079fcaf3989d45df58a1c3e40d4381c4a44"`
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.1
[INFO] [stderr]    Compiling pyo3-derive-backend v0.6.0
[INFO] [stderr]    Compiling pyo3 v0.6.0
[INFO] [stderr]    Compiling ctor v0.1.9
[INFO] [stderr]    Compiling inventory-impl v0.1.3
[INFO] [stderr]    Compiling ghost v0.1.0
[INFO] [stderr]     Checking sprs v0.6.4
[INFO] [stderr]    Compiling proc-macro-hack v0.4.1
[INFO] [stderr]    Compiling mashup-impl v0.1.9
[INFO] [stderr]     Checking mashup v0.1.9
[INFO] [stderr] error: proc-macro derive panicked
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mashup-0.1.9/src/lib.rs:153:1
[INFO] [stderr]     |
[INFO] [stderr] 153 | / proc_macro_item_decl! {
[INFO] [stderr] 154 | |     #[doc(hidden)]
[INFO] [stderr] 155 | |     mashup_macro! => mashup_macro_impl
[INFO] [stderr] 156 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = help: message: assertion failed: `(left == right)`
[INFO] [stderr]               left: `Some("#[allow(unused,")`,
[INFO] [stderr]              right: `Some("#[allow(unused")`
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `mashup`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning[E0502]: cannot borrow `indptr` as immutable because it is also borrowed as mutable
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/sprs-0.6.4/src/sparse/triplet_iter.rs:122:26
[INFO] [stderr]     |
[INFO] [stderr] 122 |             indptr[i] += indptr[i - 1];
[INFO] [stderr]     |             -------------^^^^^^-------
[INFO] [stderr]     |             |            |
[INFO] [stderr]     |             |            immutable borrow occurs here
[INFO] [stderr]     |             mutable borrow occurs here
[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" "9938a7b4c8b048f4e55144cf6dd2a079fcaf3989d45df58a1c3e40d4381c4a44"`
[INFO] running `"docker" "rm" "-f" "9938a7b4c8b048f4e55144cf6dd2a079fcaf3989d45df58a1c3e40d4381c4a44"`
[INFO] [stdout] 9938a7b4c8b048f4e55144cf6dd2a079fcaf3989d45df58a1c3e40d4381c4a44