[INFO] cloning repository https://github.com/kofmatsugen/debug_system
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kofmatsugen/debug_system" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkofmatsugen%2Fdebug_system", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkofmatsugen%2Fdebug_system'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7bf03147be8de3c35ef9d5eea60387f5670542d8
[INFO] testing kofmatsugen/debug_system against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkofmatsugen%2Fdebug_system" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kofmatsugen/debug_system 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/kofmatsugen/debug_system
[INFO] finished tweaking git repo https://github.com/kofmatsugen/debug_system
[INFO] tweaked toml for git repo https://github.com/kofmatsugen/debug_system written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/kofmatsugen/debug_system 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]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-8/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/amethyst/amethyst.git`
[INFO] [stderr]     Updating git repository `https://git@github.com/rust-windowing/winit`
[INFO] [stderr]     Updating git repository `https://github.com/radium-io/atelier-assets.git`
[INFO] [stderr] warning: invalid character `/` in feature `atelier_importer/serde_importers` in package atelier-daemon v0.1.0 (https://github.com/radium-io/atelier-assets.git?rev=a06899a#a06899a0), characters must be Unicode XID characters, `+`, or `.` (numbers, `+`, `-`, `_`, `.`, or most letters)
[INFO] [stderr] This was previously accepted but is being phased out; it will become a hard error in a future release.
[INFO] [stderr] For more information, see issue #8813 <https://github.com/rust-lang/cargo/issues/8813>, and please leave a comment if this will be a problem for your project.
[INFO] [stderr]     Updating git repository `https://github.com/amethyst/prefab`
[INFO] [stderr] warning: spurious network error (2 tries remaining): failed to connect to github.com: Connection timed out; class=Os (2)
[INFO] [stderr]     Updating git repository `https://github.com/amethyst/rendy`
[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] warning: invalid character `/` in feature `atelier_importer/serde_importers` in package atelier-daemon v0.1.0 (https://github.com/radium-io/atelier-assets.git?rev=a06899a#a06899a0), characters must be Unicode XID characters, `+`, or `.` (numbers, `+`, `-`, `_`, `.`, or most letters)
[INFO] [stderr] This was previously accepted but is being phased out; it will become a hard error in a future release.
[INFO] [stderr] For more information, see issue #8813 <https://github.com/rust-lang/cargo/issues/8813>, and please leave a comment if this will be a problem for your project.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] d3a489da21f4d36e01ed4753d124cccbc814259c7cd56ba8edc73308190d65e3
[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" "d3a489da21f4d36e01ed4753d124cccbc814259c7cd56ba8edc73308190d65e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3a489da21f4d36e01ed4753d124cccbc814259c7cd56ba8edc73308190d65e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3a489da21f4d36e01ed4753d124cccbc814259c7cd56ba8edc73308190d65e3", kill_on_drop: false }`
[INFO] [stdout] d3a489da21f4d36e01ed4753d124cccbc814259c7cd56ba8edc73308190d65e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] cb49e1437404869d0c48c8f7541dc123274d33973f7498fc756f1fb5b4db0107
[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" "cb49e1437404869d0c48c8f7541dc123274d33973f7498fc756f1fb5b4db0107", kill_on_drop: false }`
[INFO] [stderr] warning: invalid character `/` in feature `atelier_importer/serde_importers` in package atelier-daemon v0.1.0 (https://github.com/radium-io/atelier-assets.git?rev=a06899a#a06899a0), characters must be Unicode XID characters, `+`, or `.` (numbers, `+`, `-`, `_`, `.`, or most letters)
[INFO] [stderr] This was previously accepted but is being phased out; it will become a hard error in a future release.
[INFO] [stderr] For more information, see issue #8813 <https://github.com/rust-lang/cargo/issues/8813>, and please leave a comment if this will be a problem for your project.
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling atom v0.3.6
[INFO] [stderr]    Compiling futures-io v0.3.8
[INFO] [stderr]    Compiling colorful v0.2.1
[INFO] [stderr]    Compiling paste v1.0.4
[INFO] [stderr]    Compiling getrandom v0.2.1
[INFO] [stderr]    Compiling inventory v0.1.10
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling ttf-parser v0.6.2
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling ab_glyph_rasterizer v0.1.4
[INFO] [stderr]    Compiling capnp v0.13.6
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling fastrand v1.4.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.1
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling shrev v1.1.1
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling path-clean v0.1.0
[INFO] [stderr]    Compiling path-slash v0.1.3
[INFO] [stderr]    Compiling dunce v1.0.1
[INFO] [stderr]    Compiling mint v0.5.6
[INFO] [stderr]    Compiling objekt v0.1.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling wayland-sys v0.28.3
[INFO] [stderr]    Compiling nom v6.0.1
[INFO] [stderr]    Compiling futures-channel v0.3.8
[INFO] [stderr]    Compiling matrixmultiply v0.2.4
[INFO] [stderr]    Compiling hibitset v0.6.3
[INFO] [stderr]    Compiling lmdb-rkv-sys v0.11.0
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling async-lock v2.3.0
[INFO] [stderr]    Compiling gif v0.10.3
[INFO] [stderr]    Compiling dlib v0.4.2
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling inotify-sys v0.1.4
[INFO] [stderr]    Compiling memmap2 v0.1.0
[INFO] [stderr]    Compiling filetime v0.2.13
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling futures-lite v1.11.3
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]    Compiling lexical v2.2.2
[INFO] [stderr]    Compiling rustc_version_runtime v0.2.0
[INFO] [stderr]    Compiling encoding_rs_io v0.1.7
[INFO] [stderr]    Compiling wayland-scanner v0.28.3
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling inotify v0.7.1
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling const-random-macro v0.1.13
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling inventory-impl v0.1.10
[INFO] [stderr]    Compiling derivative v2.1.3
[INFO] [stderr]    Compiling ctor v0.1.17
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling shrinkwraprs v0.3.0
[INFO] [stderr]    Compiling typetag-impl v0.1.6
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling serde-importable-derive v0.1.0 (https://github.com/radium-io/atelier-assets.git?rev=a06899a#a06899a0)
[INFO] [stderr]    Compiling glsl-layout-derive v0.3.2
[INFO] [stderr]    Compiling amethyst_derive v0.15.3 (https://github.com/amethyst/amethyst.git#560be3b7)
[INFO] [stderr] error: could not compile `nix`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name nix --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nix-0.18.0/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=4757fbf96da10cb0 -C extra-filename=-4757fbf96da10cb0 --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-675da856250bdc14.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" "cb49e1437404869d0c48c8f7541dc123274d33973f7498fc756f1fb5b4db0107", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb49e1437404869d0c48c8f7541dc123274d33973f7498fc756f1fb5b4db0107", kill_on_drop: false }`
[INFO] [stdout] cb49e1437404869d0c48c8f7541dc123274d33973f7498fc756f1fb5b4db0107