[INFO] cloning repository https://github.com/ali-amani01/nannou_dot_file_visualization
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ali-amani01/nannou_dot_file_visualization" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fali-amani01%2Fnannou_dot_file_visualization", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fali-amani01%2Fnannou_dot_file_visualization'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2ce9e894e2afda3ce80f98dc7200d25ad19209ad
[INFO] testing ali-amani01/nannou_dot_file_visualization against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fali-amani01%2Fnannou_dot_file_visualization" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ali-amani01/nannou_dot_file_visualization on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ali-amani01/nannou_dot_file_visualization
[INFO] finished tweaking git repo https://github.com/ali-amani01/nannou_dot_file_visualization
[INFO] tweaked toml for git repo https://github.com/ali-amani01/nannou_dot_file_visualization written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/ali-amani01/nannou_dot_file_visualization already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 412607bd9cacebd457f4c07f0b70acfff043afc5d739e08b887cdd760e5085f3
[INFO] running `Command { std: "docker" "start" "-a" "412607bd9cacebd457f4c07f0b70acfff043afc5d739e08b887cdd760e5085f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "412607bd9cacebd457f4c07f0b70acfff043afc5d739e08b887cdd760e5085f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "412607bd9cacebd457f4c07f0b70acfff043afc5d739e08b887cdd760e5085f3", kill_on_drop: false }`
[INFO] [stdout] 412607bd9cacebd457f4c07f0b70acfff043afc5d739e08b887cdd760e5085f3
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65567617102b61bf904ccfffe0eb517a08665ad8ab071ee66779daebe228519d
[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" "65567617102b61bf904ccfffe0eb517a08665ad8ab071ee66779daebe228519d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling conrod_winit v0.69.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling instant v0.1.8
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling inflate v0.3.4
[INFO] [stderr]    Compiling hibitset v0.6.3
[INFO] [stderr]    Compiling gif v0.9.2
[INFO] [stderr]    Compiling dynamic v0.2.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling relevant v0.4.2
[INFO] [stderr]    Compiling wayland-sys v0.23.6
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling gfx-hal v0.4.1
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling ash v0.29.0
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling ordered-float v1.1.0
[INFO] [stderr]    Compiling line_drawing v0.7.0
[INFO] [stderr]    Compiling euclid v0.20.14
[INFO] [stderr]    Compiling sid v0.6.1
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling pennereq v0.3.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling rusttype v0.8.3
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling png v0.11.0
[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 embed-bitcode=no -C debuginfo=2 -C metadata=acda4d89704b282d -C extra-filename=-acda4d89704b282d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-de31228f2c0549ed.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-b10e0993eefc366b.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-5a14dbf7a89e1173.rmeta --extern void=/opt/rustwide/target/debug/deps/libvoid-90ec4b4a2f3d40d2.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 `Command { std: "docker" "inspect" "65567617102b61bf904ccfffe0eb517a08665ad8ab071ee66779daebe228519d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65567617102b61bf904ccfffe0eb517a08665ad8ab071ee66779daebe228519d", kill_on_drop: false }`
[INFO] [stdout] 65567617102b61bf904ccfffe0eb517a08665ad8ab071ee66779daebe228519d