[INFO] cloning repository https://github.com/guidoschmidt/nannou.sketches
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/guidoschmidt/nannou.sketches" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguidoschmidt%2Fnannou.sketches", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguidoschmidt%2Fnannou.sketches'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9fd42f3aaba2f1f501c50a90aa3c11633e9816a5
[INFO] testing guidoschmidt/nannou.sketches against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguidoschmidt%2Fnannou.sketches" "/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/guidoschmidt/nannou.sketches on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/guidoschmidt/nannou.sketches
[INFO] finished tweaking git repo https://github.com/guidoschmidt/nannou.sketches
[INFO] tweaked toml for git repo https://github.com/guidoschmidt/nannou.sketches written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/guidoschmidt/nannou.sketches already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sid v0.6.1
[INFO] [stderr]   Downloaded conrod_derive v0.70.0
[INFO] [stderr]   Downloaded smithay-clipboard v0.4.0
[INFO] [stderr]   Downloaded copypasta v0.6.3
[INFO] [stderr]   Downloaded gfx-memory v0.1.3
[INFO] [stderr]   Downloaded wgpu-core v0.5.6
[INFO] [stderr]   Downloaded gfx-backend-vulkan v0.5.11
[INFO] [stderr]   Downloaded conrod_wgpu v0.70.0
[INFO] [stderr]   Downloaded weezl v0.1.3
[INFO] [stderr]   Downloaded wgpu v0.5.2
[INFO] [stderr]   Downloaded conrod_winit v0.70.0
[INFO] [stderr]   Downloaded lyon_algorithms v0.15.1
[INFO] [stderr]   Downloaded conrod_core v0.70.0
[INFO] [stderr]   Downloaded nannou v0.15.0
[INFO] [stderr]   Downloaded syn v1.0.52
[INFO] [stderr]   Downloaded tiff v0.6.0
[INFO] [stderr]   Downloaded lyon_path v0.15.2
[INFO] [stderr]   Downloaded x11-clipboard v0.5.1
[INFO] [stderr]   Downloaded lyon_geom v0.15.3
[INFO] [stderr]   Downloaded gfx-backend-dx11 v0.5.3
[INFO] [stderr]   Downloaded lyon_tessellation v0.15.9
[INFO] [stderr]   Downloaded gfx-hal v0.5.3
[INFO] [stderr]   Downloaded pennereq v0.3.1
[INFO] [stderr]   Downloaded gfx-backend-dx12 v0.5.10
[INFO] [stderr]   Downloaded gfx-backend-metal v0.5.7
[INFO] [stderr]   Downloaded gfx-backend-empty v0.5.2
[INFO] [stderr]   Downloaded wgpu-native v0.5.1
[INFO] [stderr]   Downloaded lyon v0.15.9
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 944acf9cccfbfc954a1a92ae6a8dd95b121857460cf6cbd08a134a0e135ced31
[INFO] running `Command { std: "docker" "start" "-a" "944acf9cccfbfc954a1a92ae6a8dd95b121857460cf6cbd08a134a0e135ced31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "944acf9cccfbfc954a1a92ae6a8dd95b121857460cf6cbd08a134a0e135ced31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "944acf9cccfbfc954a1a92ae6a8dd95b121857460cf6cbd08a134a0e135ced31", kill_on_drop: false }`
[INFO] [stdout] 944acf9cccfbfc954a1a92ae6a8dd95b121857460cf6cbd08a134a0e135ced31
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5078d9651b30b37ab85560ada721a70664324c2e1a8ed71293866deaaaeef8ff
[INFO] running `Command { std: "docker" "start" "-a" "5078d9651b30b37ab85560ada721a70664324c2e1a8ed71293866deaaaeef8ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling atom v0.3.6
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling futures-core v0.3.8
[INFO] [stderr]    Compiling futures-sink v0.3.8
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling futures-io v0.3.8
[INFO] [stderr]    Compiling weezl v0.1.3
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]    Compiling bytemuck v1.4.1
[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 memoffset v0.6.1
[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 libloading v0.6.5
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling inflate v0.3.4
[INFO] [stderr]    Compiling piston-viewport v0.5.0
[INFO] [stderr]    Compiling gif v0.9.2
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling net2 v0.2.36
[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 getrandom v0.1.15
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling xcb v0.9.0
[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 crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling x11-dl v2.18.5
[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 num-traits v0.1.43
[INFO] [stderr]    Compiling sid v0.6.1
[INFO] [stderr]    Compiling pennereq v0.3.1
[INFO] [stderr]    Compiling hibitset v0.6.3
[INFO] [stderr]    Compiling gfx-hal v0.5.3
[INFO] [stderr]    Compiling futures-task v0.3.8
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling gif v0.11.1
[INFO] [stderr]    Compiling futures-channel v0.3.8
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling dlib v0.4.2
[INFO] [stderr]    Compiling ash v0.31.0
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling rusttype v0.8.3
[INFO] [stderr]    Compiling wayland-sys v0.23.6
[INFO] [stderr]    Compiling png v0.16.7
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling rusttype v0.7.9
[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=b6257e6034140e80 -C extra-filename=-b6257e6034140e80 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-117d41ac256572da.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-4dc40f94662accb2.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-a34daa496b50db91.rmeta --extern void=/opt/rustwide/target/debug/deps/libvoid-db8f1174cd903021.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" "5078d9651b30b37ab85560ada721a70664324c2e1a8ed71293866deaaaeef8ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5078d9651b30b37ab85560ada721a70664324c2e1a8ed71293866deaaaeef8ff", kill_on_drop: false }`
[INFO] [stdout] 5078d9651b30b37ab85560ada721a70664324c2e1a8ed71293866deaaaeef8ff