[INFO] cloning repository https://github.com/servo/webrender
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/servo/webrender" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fservo%2Fwebrender", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fservo%2Fwebrender'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 370deb0ebcff9410c41bab4422188a347d821c30
[INFO] checking servo/webrender against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fservo%2Fwebrender" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/servo/webrender on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/servo/webrender
[INFO] finished tweaking git repo https://github.com/servo/webrender
[INFO] tweaked toml for git repo https://github.com/servo/webrender written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/servo/webrender already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/rust-windowing/android-rs-glue.git`
[INFO] [stderr]     Updating git repository `https://github.com/jrmuizel/winit`
[INFO] [stderr]     Updating git repository `https://github.com/servo/osmesa-src`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded etagere v0.2.4
[INFO] [stderr]   Downloaded build-parallel v0.1.2
[INFO] [stderr]   Downloaded env_logger v0.5.13
[INFO] [stderr]   Downloaded image v0.23.3
[INFO] [stderr]   Downloaded font-loader v0.11.0
[INFO] [stderr]   Downloaded binary-space-partition v0.1.2
[INFO] [stderr]   Downloaded plane-split v0.17.1
[INFO] [stderr]   Downloaded png v0.16.2
[INFO] [stderr]   Downloaded xml-rs v0.8.2
[INFO] [stderr]   Downloaded minidl v0.1.0
[INFO] [stderr]   Downloaded gleam v0.13.1
[INFO] [stderr]   Downloaded core-graphics-types v0.1.0
[INFO] [stderr]   Downloaded malloc_size_of_derive v0.1.1
[INFO] [stderr]   Downloaded tracy-rs v0.1.2
[INFO] [stderr]   Downloaded app_units v0.7.1
[INFO] [stderr]   Downloaded bincode v1.2.1
[INFO] [stderr]   Downloaded nom v5.1.1
[INFO] [stderr]   Downloaded core-text v19.0.0
[INFO] [stderr]   Downloaded euclid v0.22.6
[INFO] [stderr]   Downloaded cstr v0.2.8
[INFO] [stderr]   Downloaded core-graphics v0.22.0
[INFO] [stderr]   Downloaded core-foundation v0.9.0
[INFO] [stderr]   Downloaded mozangle v0.3.3
[INFO] [stderr]   Downloaded glslopt v0.1.9
[INFO] [stderr]   Downloaded deflate v0.8.4
[INFO] [stderr]   Downloaded smallvec v1.3.0
[INFO] [stderr]   Downloaded glsl v4.0.3
[INFO] [stderr]   Downloaded serde_bytes v0.11.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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] 0b28246c625f6de6fee021547c09472bf4676f4fc7a86b075a08bec3b966823c
[INFO] running `Command { std: "docker" "start" "-a" "0b28246c625f6de6fee021547c09472bf4676f4fc7a86b075a08bec3b966823c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b28246c625f6de6fee021547c09472bf4676f4fc7a86b075a08bec3b966823c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b28246c625f6de6fee021547c09472bf4676f4fc7a86b075a08bec3b966823c", kill_on_drop: false }`
[INFO] [stdout] 0b28246c625f6de6fee021547c09472bf4676f4fc7a86b075a08bec3b966823c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 370bfc7d0181736c4265c04fdd833a7fbbe94001b64f27afc239274fa38d3ffd
[INFO] running `Command { std: "docker" "start" "-a" "370bfc7d0181736c4265c04fdd833a7fbbe94001b64f27afc239274fa38d3ffd", 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling const_fn v0.4.4
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking minidl v0.1.0
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking binary-space-partition v0.1.2
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking downcast-rs v1.1.1
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking svg_fmt v0.4.1
[INFO] [stderr]     Checking xml-rs v0.8.2
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]    Compiling wrench v0.3.0 (/opt/rustwide/workdir/wrench)
[INFO] [stderr]     Checking bytemuck v1.2.0
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling servo-fontconfig-sys v5.1.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking tracy-rs v0.1.2
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]     Checking byteorder v1.3.4
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking ryu v1.0.3
[INFO] [stderr]     Checking deflate v0.8.4
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking quote v1.0.3
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling webrender_build v0.0.1 (/opt/rustwide/workdir/webrender_build)
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking syn v1.0.17
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking png v0.16.2
[INFO] [stderr]    Compiling jobserver v0.1.21
[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 --crate-type lib --emit=dep-info,metadata -C panic=abort -C embed-bitcode=no -C debuginfo=2 -C metadata=605d7cdaa8cd9e6b -C extra-filename=-605d7cdaa8cd9e6b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-574e243ceb0f1330.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-1d41156cecbbf6fe.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-dda4c0c9c4221d03.rmeta --extern void=/opt/rustwide/target/debug/deps/libvoid-29a61e654d653430.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" "370bfc7d0181736c4265c04fdd833a7fbbe94001b64f27afc239274fa38d3ffd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "370bfc7d0181736c4265c04fdd833a7fbbe94001b64f27afc239274fa38d3ffd", kill_on_drop: false }`
[INFO] [stdout] 370bfc7d0181736c4265c04fdd833a7fbbe94001b64f27afc239274fa38d3ffd