[INFO] cloning repository https://github.com/Nnubes256/wgpu-experiments
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nnubes256/wgpu-experiments" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNnubes256%2Fwgpu-experiments", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNnubes256%2Fwgpu-experiments'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 708e92caf3c5bb60e1728e7592bbc635ff578425
[INFO] testing Nnubes256/wgpu-experiments against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNnubes256%2Fwgpu-experiments" "/workspace/builds/worker-50/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-50/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Nnubes256/wgpu-experiments 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/Nnubes256/wgpu-experiments
[INFO] finished tweaking git repo https://github.com/Nnubes256/wgpu-experiments
[INFO] tweaked toml for git repo https://github.com/Nnubes256/wgpu-experiments written to /workspace/builds/worker-50/source/Cargo.toml
[INFO] crate git repo https://github.com/Nnubes256/wgpu-experiments 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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] 0524f500c536546edee8f05cba65ab3197f74d26aba5bd7f8bd98187804e4dee
[INFO] running `Command { std: "docker" "start" "-a" "0524f500c536546edee8f05cba65ab3197f74d26aba5bd7f8bd98187804e4dee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0524f500c536546edee8f05cba65ab3197f74d26aba5bd7f8bd98187804e4dee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0524f500c536546edee8f05cba65ab3197f74d26aba5bd7f8bd98187804e4dee", kill_on_drop: false }`
[INFO] [stdout] 0524f500c536546edee8f05cba65ab3197f74d26aba5bd7f8bd98187804e4dee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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] 791cea868e68c493d89e0a452f8fdead820cbc2f942e4974a48fb0cd94d92216
[INFO] running `Command { std: "docker" "start" "-a" "791cea868e68c493d89e0a452f8fdead820cbc2f942e4974a48fb0cd94d92216", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling const_fn v0.4.4
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling smallvec v1.5.1
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling ahash v0.4.7
[INFO] [stderr]    Compiling khronos-egl v4.1.0
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling anyhow v1.0.36
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling futures-sink v0.3.8
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling futures-core v0.3.8
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling futures-io v0.3.8
[INFO] [stderr]    Compiling renderdoc-sys v0.7.1
[INFO] [stderr]    Compiling xdg v2.2.0
[INFO] [stderr]    Compiling weezl v0.1.3
[INFO] [stderr]    Compiling inplace_it v0.3.3
[INFO] [stderr]    Compiling glow v0.11.0
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling arrayvec v0.7.1
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling profiling v1.0.3
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling libloading v0.6.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling libloading v0.7.0
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr] error: could not compile `cc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name cc --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cc-1.0.66/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=8bfd7f93bc0106d6 -C extra-filename=-8bfd7f93bc0106d6 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --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" "791cea868e68c493d89e0a452f8fdead820cbc2f942e4974a48fb0cd94d92216", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "791cea868e68c493d89e0a452f8fdead820cbc2f942e4974a48fb0cd94d92216", kill_on_drop: false }`
[INFO] [stdout] 791cea868e68c493d89e0a452f8fdead820cbc2f942e4974a48fb0cd94d92216