[INFO] updating cached repository https://github.com/hegza/vcn-inference-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0c1743ae9377371cad36522783701833e5b828e7
[INFO] checking hegza/vcn-inference-rs against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhegza%2Fvcn-inference-rs" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/hegza/vcn-inference-rs on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/hegza/vcn-inference-rs
[INFO] finished tweaking git repo https://github.com/hegza/vcn-inference-rs
[INFO] tweaked toml for git repo https://github.com/hegza/vcn-inference-rs written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/hegza/vcn-inference-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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 `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7a3328410249b5f8b45ca8a1059777eaf5a97c88d8489ef4b171cc1bdeff9c6f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "7a3328410249b5f8b45ca8a1059777eaf5a97c88d8489ef4b171cc1bdeff9c6f"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking either v1.5.1
[INFO] [stderr]    Compiling cl-sys v0.4.2
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]     Checking enclose v0.1.4
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking qutex v0.2.1
[INFO] [stderr]    Compiling ocl-core v0.11.1
[INFO] [stderr]     Checking matrixmultiply v0.1.15
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking memchr v2.2.0
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[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking num-rational v0.2.1
[INFO] [stderr]     Checking alga v0.5.4
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]     Checking png v0.14.0
[INFO] [stderr]     Checking arrayvec v0.4.10
[INFO] [stderr]     Checking tinytemplate v1.0.1
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking csv-core v0.1.5
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking regex v1.1.2
[INFO] [stderr]     Checking csv v1.0.5
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking ndarray v0.12.1
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]     Checking criterion-plot v0.3.0
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking env_logger v0.6.0
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking ocl-core-vector v0.1.0
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[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking criterion v0.2.10
[INFO] [stderr]     Checking image v0.21.0
[INFO] [stderr]     Checking sprs v0.6.3
[INFO] [stderr] error[E0502]: cannot borrow `indptr` as immutable because it is also borrowed as mutable
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sprs-0.6.3/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] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0502`.
[INFO] [stderr] error: could not compile `sprs`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "7a3328410249b5f8b45ca8a1059777eaf5a97c88d8489ef4b171cc1bdeff9c6f"`
[INFO] running `"docker" "rm" "-f" "7a3328410249b5f8b45ca8a1059777eaf5a97c88d8489ef4b171cc1bdeff9c6f"`
[INFO] [stdout] 7a3328410249b5f8b45ca8a1059777eaf5a97c88d8489ef4b171cc1bdeff9c6f