[INFO] cloning repository https://github.com/rust-cv/kpshow
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rust-cv/kpshow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-cv%2Fkpshow"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-cv%2Fkpshow'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 609ce46f11a3e7c6693b9ca055a39803f3129039
[INFO] testing rust-cv/kpshow against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-cv%2Fkpshow" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust-cv/kpshow on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/rust-cv/kpshow
[INFO] finished tweaking git repo https://github.com/rust-cv/kpshow
[INFO] tweaked toml for git repo https://github.com/rust-cv/kpshow written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/rust-cv/kpshow already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2b918c70456ee0d1d468c3865a635f43aaa37ec3a0ed39471759e5c17007fd80
[INFO] running `"docker" "start" "-a" "2b918c70456ee0d1d468c3865a635f43aaa37ec3a0ed39471759e5c17007fd80"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]    Compiling syn v1.0.22
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]    Compiling packed_simd v0.3.3
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling bytemuck v1.2.0
[INFO] [stderr]    Compiling hamming v0.1.3
[INFO] [stderr]    Compiling primal-estimate v0.2.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling sample-consensus v0.2.0
[INFO] [stderr]    Compiling float-ord v0.2.0
[INFO] [stderr]    Compiling custom_derive v0.1.7
[INFO] [stderr]    Compiling miniz_oxide v0.3.6
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling matrixmultiply v0.2.3
[INFO] [stderr]    Compiling primal-bit v0.2.4
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling conv v0.3.3
[INFO] [stderr]    Compiling deflate v0.8.4
[INFO] [stderr]    Compiling stb_truetype v0.3.1
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling tiff v0.4.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling primal-sieve v0.2.9
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling png v0.16.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling generic-array v0.13.2
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/packed_simd-0.3.3/src/lib.rs:202:1
[INFO] [stderr]     |
[INFO] [stderr] 202 | / #![feature(
[INFO] [stderr] 203 | |     repr_simd,
[INFO] [stderr] 204 | |     const_fn,
[INFO] [stderr] 205 | |     platform_intrinsics,
[INFO] [stderr] ...   |
[INFO] [stderr] 215 | |     custom_inner_attributes
[INFO] [stderr] 216 | | )]
[INFO] [stderr]     | |__^
[INFO] [stderr] 
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling rusttype v0.8.3
[INFO] [stderr]    Compiling primal-check v0.2.3
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling rulinalg v0.4.2
[INFO] [stderr]    Compiling primal v0.2.3
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling rand_distr v0.2.2
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.19
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling image v0.23.4
[INFO] [stderr]    Compiling paste-impl v0.1.12
[INFO] [stderr]    Compiling derive_more v0.99.7
[INFO] [stderr]    Compiling paste v0.1.12
[INFO] [stderr]    Compiling simba v0.1.2
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]    Compiling nalgebra v0.21.0
[INFO] [stderr]    Compiling nshare v0.1.1
[INFO] [stderr]    Compiling imageproc v0.20.0
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `packed_simd`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "2b918c70456ee0d1d468c3865a635f43aaa37ec3a0ed39471759e5c17007fd80"`
[INFO] running `"docker" "rm" "-f" "2b918c70456ee0d1d468c3865a635f43aaa37ec3a0ed39471759e5c17007fd80"`
[INFO] [stdout] 2b918c70456ee0d1d468c3865a635f43aaa37ec3a0ed39471759e5c17007fd80