[INFO] cloning repository https://github.com/ZiangXue/cs181g-unit3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ZiangXue/cs181g-unit3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZiangXue%2Fcs181g-unit3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZiangXue%2Fcs181g-unit3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3f4e32b42e78f437e89a68b282179f648be64f43
[INFO] checking ZiangXue/cs181g-unit3 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZiangXue%2Fcs181g-unit3" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ZiangXue/cs181g-unit3 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/ZiangXue/cs181g-unit3
[INFO] finished tweaking git repo https://github.com/ZiangXue/cs181g-unit3
[INFO] tweaked toml for git repo https://github.com/ZiangXue/cs181g-unit3 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/ZiangXue/cs181g-unit3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/EmbarkStudios/rust-gpu`
[INFO] [stderr]     Updating git repository `https://github.com/gfx-rs/rspirv.git`
[INFO] [stderr]     Updating git submodule `https://github.com/KhronosGroup/SPIRV-Headers.git`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fbecb082c89e44ccb167e78876c06b8e7332d530ce83531e555594ea2e1a7c24
[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" "fbecb082c89e44ccb167e78876c06b8e7332d530ce83531e555594ea2e1a7c24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbecb082c89e44ccb167e78876c06b8e7332d530ce83531e555594ea2e1a7c24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbecb082c89e44ccb167e78876c06b8e7332d530ce83531e555594ea2e1a7c24", kill_on_drop: false }`
[INFO] [stdout] fbecb082c89e44ccb167e78876c06b8e7332d530ce83531e555594ea2e1a7c24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2510b2cfd078d82bccb0a8974a8d3e090af129c34bbc9327d625aef315192caf
[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" "2510b2cfd078d82bccb0a8974a8d3e090af129c34bbc9327d625aef315192caf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v1.0.65
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking scopeguard v1.1.0
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[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
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[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]    Compiling spirv-types v0.4.0-alpha.7
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking once_cell v1.7.2
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[INFO] [stderr]    Compiling rustc_codegen_spirv v0.4.0-alpha.7 (https://github.com/EmbarkStudios/rust-gpu?rev=943f09fef7b7ac305432d0bc899b54716c1e765b#943f09fe)
[INFO] [stderr]    Compiling khronos-egl v3.0.2
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[INFO] [stderr]    Compiling crc32fast v1.2.1
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[INFO] [stderr]    Compiling bimap v0.6.1
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[INFO] [stderr]    Compiling maybe-uninit v2.0.0
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[INFO] [stderr]     Checking futures-io v0.3.14
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[INFO] [stderr]    Compiling num-traits v0.2.14
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[INFO] [stderr]    Compiling memoffset v0.6.3
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[INFO] [stderr]    Compiling num-iter v0.1.42
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[INFO] [stderr]     Checking deflate v0.8.6
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[INFO] [stderr]    Compiling heck v0.3.2
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[INFO] [stderr]    Compiling wayland-sys v0.28.5
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]     Checking futures-channel v0.3.14
[INFO] [stderr]    Compiling wgpu-core v0.7.1
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]     Checking gif v0.11.2
[INFO] [stderr]     Checking owned_ttf_parser v0.6.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking ash v0.31.0
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]     Checking rusttype v0.9.2
[INFO] [stderr]     Checking gpu-alloc-types v0.2.0
[INFO] [stderr]     Checking gpu-descriptor-types v0.1.1
[INFO] [stderr]     Checking wgpu-types v0.7.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking lewton v0.10.2
[INFO] [stderr]     Checking andrew v0.3.1
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: "libc's use_std cargo feature is deprecated since libc 0.2.55; please consider using the `std` cargo feature instead"
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `libc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name libc /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libc-0.2.94/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 --cfg 'feature="align"' --cfg 'feature="default"' --cfg 'feature="extra_traits"' --cfg 'feature="std"' --cfg 'feature="use_std"' -C metadata=044e54b0dabbf868 -C extra-filename=-044e54b0dabbf868 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid --cfg freebsd11 --cfg libc_priv_mod_use --cfg libc_union --cfg libc_const_size_of --cfg libc_align --cfg libc_core_cvoid --cfg libc_packedN --cfg libc_cfg_target_vendor` (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" "2510b2cfd078d82bccb0a8974a8d3e090af129c34bbc9327d625aef315192caf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2510b2cfd078d82bccb0a8974a8d3e090af129c34bbc9327d625aef315192caf", kill_on_drop: false }`
[INFO] [stdout] 2510b2cfd078d82bccb0a8974a8d3e090af129c34bbc9327d625aef315192caf