[INFO] updating cached repository 10XGenomics/vartrix
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/10XGenomics/vartrix
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/10XGenomics/vartrix" "work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/10XGenomics/vartrix"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/10XGenomics/vartrix'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/10XGenomics/vartrix" "work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/10XGenomics/vartrix"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/10XGenomics/vartrix'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ad816977ee54177a7758005a2d74d1a7555a8ffa
[INFO] sha for GitHub repo 10XGenomics/vartrix: ad816977ee54177a7758005a2d74d1a7555a8ffa
[INFO] validating manifest of 10XGenomics/vartrix on toolchain master#6ea4036cd20a4b1ab1d56e555108c21735ff6946
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of 10XGenomics/vartrix on toolchain try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing 10XGenomics/vartrix
[INFO] finished frobbing 10XGenomics/vartrix
[INFO] frobbed toml for 10XGenomics/vartrix written to work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/10XGenomics/vartrix/Cargo.toml
[INFO] started frobbing 10XGenomics/vartrix
[INFO] finished frobbing 10XGenomics/vartrix
[INFO] frobbed toml for 10XGenomics/vartrix written to work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/10XGenomics/vartrix/Cargo.toml
[INFO] crate 10XGenomics/vartrix already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking 10XGenomics/vartrix against master#6ea4036cd20a4b1ab1d56e555108c21735ff6946 for pr-62181
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62181/worker-2/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/10XGenomics/vartrix:/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" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ec6e4982a9e3e5d2628c0babbfa10b0b58369c00086233059c02ec34b4f5618d
[INFO] running `"docker" "start" "-a" "ec6e4982a9e3e5d2628c0babbfa10b0b58369c00086233059c02ec34b4f5618d"`
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling lazy_static v1.0.2
[INFO] [stderr]    Compiling cfg-if v0.1.4
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling bindgen v0.36.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling termcolor v0.3.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling matrixmultiply v0.1.14
[INFO] [stderr]    Compiling bv v0.7.4
[INFO] [stderr]    Compiling ndarray v0.10.14
[INFO] [stderr]    Compiling ndarray v0.9.1
[INFO] [stderr]    Compiling rayon v1.0.2
[INFO] [stderr]     Checking ieee754 v0.2.2
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking linear-map v1.2.0
[INFO] [stderr]     Checking bytecount v0.3.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.8
[INFO] [stderr]    Compiling proc-macro2 v0.3.5
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling clang-sys v0.22.0
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling atty v0.2.10
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]    Compiling humantime v1.1.1
[INFO] [stderr]    Compiling fs-utils v1.1.0
[INFO] [stderr]     Checking terminal_size v0.1.8
[INFO] [stderr]    Compiling log v0.4.3
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling regex-syntax v0.6.1
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]     Checking itertools v0.6.5
[INFO] [stderr]     Checking itertools v0.7.8
[INFO] [stderr]     Checking term v0.5.1
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]    Compiling aho-corasick v0.6.6
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]     Checking csv-core v0.1.4
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking regex v1.0.1
[INFO] [stderr]     Checking tempfile v3.0.3
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling syn v0.14.4
[INFO] [stderr]     Checking url v1.7.1
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]    Compiling cexpr v0.2.3
[INFO] [stderr]     Checking os_type v2.0.0
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking ordered-float v0.5.0
[INFO] [stderr]     Checking itertools-num v0.1.1
[INFO] [stderr]     Checking chrono v0.4.5
[INFO] [stderr]     Checking alga v0.5.4
[INFO] [stderr]     Checking simplelog v0.5.2
[INFO] [stderr]    Compiling serde_derive v1.0.70
[INFO] [stderr]     Checking sprs v0.6.2
[INFO] [stderr]    Compiling env_logger v0.5.10
[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-0.6.2/src/sparse/triplet_iter.rs:117:26
[INFO] [stderr]     |
[INFO] [stderr] 117 |             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]    Compiling vec_map v0.8.1
[INFO] [stderr]     Checking multimap v0.4.0
[INFO] [stderr]     Checking csv v1.0.0
[INFO] [stderr]     Checking toml v0.4.6
[INFO] [stderr]     Checking docopt v1.0.0
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]     Checking bio v0.21.0
[INFO] [stderr]     Checking human-panic v1.0.1
[INFO] [stderr]    Compiling rust-htslib v0.20.0
[INFO] [stderr]     Checking vartrix v1.1.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 47s
[INFO] running `"docker" "inspect" "ec6e4982a9e3e5d2628c0babbfa10b0b58369c00086233059c02ec34b4f5618d"`
[INFO] running `"docker" "rm" "-f" "ec6e4982a9e3e5d2628c0babbfa10b0b58369c00086233059c02ec34b4f5618d"`
[INFO] [stdout] ec6e4982a9e3e5d2628c0babbfa10b0b58369c00086233059c02ec34b4f5618d