[INFO] cloning repository https://github.com/suhrawardi/random_walker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/suhrawardi/random_walker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuhrawardi%2Frandom_walker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuhrawardi%2Frandom_walker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 86fee23e0419d07a59fa808e2f11e1a9702a1f1a
[INFO] testing suhrawardi/random_walker against master#404c8471aba60c2d837fa728e7c729a0f52d5830 for pr-87041-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuhrawardi%2Frandom_walker" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/suhrawardi/random_walker on toolchain 404c8471aba60c2d837fa728e7c729a0f52d5830
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+404c8471aba60c2d837fa728e7c729a0f52d5830" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/suhrawardi/random_walker
[INFO] finished tweaking git repo https://github.com/suhrawardi/random_walker
[INFO] tweaked toml for git repo https://github.com/suhrawardi/random_walker written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/suhrawardi/random_walker already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+404c8471aba60c2d837fa728e7c729a0f52d5830" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+404c8471aba60c2d837fa728e7c729a0f52d5830" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a999539b34d907adb568b4aeb90bff413b9de228c79deb20d3184e7e420743a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3a999539b34d907adb568b4aeb90bff413b9de228c79deb20d3184e7e420743a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a999539b34d907adb568b4aeb90bff413b9de228c79deb20d3184e7e420743a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a999539b34d907adb568b4aeb90bff413b9de228c79deb20d3184e7e420743a", kill_on_drop: false }`
[INFO] [stdout] 3a999539b34d907adb568b4aeb90bff413b9de228c79deb20d3184e7e420743a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+404c8471aba60c2d837fa728e7c729a0f52d5830" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49c0a004ef48ff2b5f88aebb95527308eb08edd516450f88881313ae4744f6e3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "49c0a004ef48ff2b5f88aebb95527308eb08edd516450f88881313ae4744f6e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling byteorder v1.4.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling xdg v2.2.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling atom v0.3.6
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling piston-float v0.3.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling copyless v0.1.5
[INFO] [stderr]    Compiling weezl v0.1.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling futures-io v0.3.12
[INFO] [stderr]    Compiling pin-project-lite v0.2.4
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling bytemuck v1.5.0
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling notosans v0.1.0
[INFO] [stderr]    Compiling find_folder v0.3.0
[INFO] [stderr]    Compiling conrod_winit v0.70.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling libloading v0.6.7
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling inflate v0.3.4
[INFO] [stderr]    Compiling stb_truetype v0.3.1
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling futures-task v0.3.12
[INFO] [stderr]    Compiling hibitset v0.6.3
[INFO] [stderr]    Compiling piston-viewport v0.5.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling gif v0.9.2
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling gif v0.11.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling dlib v0.4.2
[INFO] [stderr]    Compiling ash v0.31.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling wayland-sys v0.23.6
[INFO] [stderr]    Compiling daggy v0.5.0
[INFO] [stderr]    Compiling daggy v0.6.0
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling gfx-hal v0.5.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_core v0.6.1
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]    Compiling line_drawing v0.7.0
[INFO] [stderr]    Compiling euclid v0.20.14
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling sid v0.6.1
[INFO] [stderr]    Compiling pennereq v0.3.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling rusttype v0.8.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling lyon_geom v0.15.3
[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[INFO] [stderr]    Compiling rusttype v0.7.9
[INFO] [stderr]    Compiling lyon_path v0.15.2
[INFO] [stderr]    Compiling rand_distr v0.4.0
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr] error: could not compile `ash`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name ash --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ash-0.31.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="libloading"' -C metadata=e018e73649af7010 -C extra-filename=-e018e73649af7010 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern libloading=/opt/rustwide/target/debug/deps/liblibloading-cac0f1f80a242395.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "49c0a004ef48ff2b5f88aebb95527308eb08edd516450f88881313ae4744f6e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49c0a004ef48ff2b5f88aebb95527308eb08edd516450f88881313ae4744f6e3", kill_on_drop: false }`
[INFO] [stdout] 49c0a004ef48ff2b5f88aebb95527308eb08edd516450f88881313ae4744f6e3