[INFO] cloning repository https://github.com/teevik/powpowder
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/teevik/powpowder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fteevik%2Fpowpowder"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fteevik%2Fpowpowder'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 69e341d19bd925b769b2adde447d52c639db6334
[INFO] testing teevik/powpowder against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fteevik%2Fpowpowder" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/teevik/powpowder 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/teevik/powpowder
[INFO] finished tweaking git repo https://github.com/teevik/powpowder
[INFO] tweaked toml for git repo https://github.com/teevik/powpowder written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/teevik/powpowder 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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 1fc49c749dd68ea0f2470869b4015b2bbc20bfaf98025e67b7df577c5249e02e
[INFO] running `"docker" "start" "-a" "1fc49c749dd68ea0f2470869b4015b2bbc20bfaf98025e67b7df577c5249e02e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling xml-rs v0.8.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling siphasher v0.3.2
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling atom v0.3.5
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling downcast-rs v1.1.1
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling xdg v2.2.0
[INFO] [stderr]    Compiling smallvec v1.3.0
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling colorful v0.2.1
[INFO] [stderr]    Compiling copyless v0.1.4
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling instant v0.1.2
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]    Compiling retain_mut v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling lock_api v0.3.3
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling hibitset v0.6.3
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling phf v0.8.0
[INFO] [stderr]    Compiling relevant v0.4.2
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling stb_truetype v0.3.1
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling stb_truetype v0.2.8
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling parking_lot_core v0.7.0
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]    Compiling gfx-hal v0.4.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling ash v0.29.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling daggy v0.5.0
[INFO] [stderr]    Compiling parking_lot v0.10.0
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling line_drawing v0.7.0
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling rusttype v0.8.2
[INFO] [stderr]    Compiling ordered-float v0.5.2
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rusttype v0.5.2
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling rusttype v0.7.9
[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[INFO] [stderr]    Compiling wayland-sys v0.23.6
[INFO] [stderr] error: could not compile `nix`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name nix /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nix-0.14.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 -C metadata=cb69f164e427d477 -C extra-filename=-cb69f164e427d477 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-0bb1eb8c2caf8528.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-c207894dabf2ad2d.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-f45b448978de96f7.rmeta --extern void=/opt/rustwide/target/debug/deps/libvoid-b00461c2c57bf874.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "1fc49c749dd68ea0f2470869b4015b2bbc20bfaf98025e67b7df577c5249e02e"`
[INFO] running `"docker" "rm" "-f" "1fc49c749dd68ea0f2470869b4015b2bbc20bfaf98025e67b7df577c5249e02e"`
[INFO] [stdout] 1fc49c749dd68ea0f2470869b4015b2bbc20bfaf98025e67b7df577c5249e02e