[INFO] cloning repository https://github.com/link-a/dominate-20
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/link-a/dominate-20" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flink-a%2Fdominate-20", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flink-a%2Fdominate-20'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 49ab0aba53f71312822bb57034128d2cebe31f88
[INFO] documenting link-a/dominate-20 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flink-a%2Fdominate-20" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/link-a/dominate-20 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/link-a/dominate-20
[INFO] finished tweaking git repo https://github.com/link-a/dominate-20
[INFO] tweaked toml for git repo https://github.com/link-a/dominate-20 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/link-a/dominate-20 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (amethyst) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: unused manifest key: dependencies.amethyst.verion
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded palette v0.4.1
[INFO] [stderr]   Downloaded derivative v1.0.4
[INFO] [stderr]   Downloaded thread_profiler v0.3.0
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[INFO] [stderr]   Downloaded vergen v3.1.0
[INFO] [stderr]   Downloaded inventory-impl v0.1.6
[INFO] [stderr]   Downloaded crossbeam-channel v0.4.2
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[INFO] [stderr]   Downloaded amethyst_network v0.8.0
[INFO] [stderr]   Downloaded gfx-backend-metal v0.3.3
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[INFO] [stderr]   Downloaded amethyst_assets v0.11.0
[INFO] [stderr]   Downloaded tinystr v0.3.2
[INFO] [stderr]   Downloaded amethyst_animation v0.10.0
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[INFO] [stderr]   Downloaded metal v0.16.0
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[INFO] [stderr]   Downloaded wasm-bindgen v0.2.62
[INFO] [stderr]   Downloaded shred v0.10.2
[INFO] [stderr]   Downloaded rendy-memory v0.4.1
[INFO] [stderr]   Downloaded gfx-hal v0.3.1
[INFO] [stderr]   Downloaded ghost v0.1.1
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[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.62
[INFO] [stderr]   Downloaded serde_bytes v0.11.4
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[INFO] [stderr]   Downloaded paste-impl v0.1.11
[INFO] [stderr]   Downloaded rendy-resource v0.4.1
[INFO] [stderr]   Downloaded amethyst_error v0.5.0
[INFO] [stderr]   Downloaded image v0.21.3
[INFO] [stderr]   Downloaded tynm v0.1.4
[INFO] [stderr]   Downloaded glsl-layout v0.3.2
[INFO] [stderr]   Downloaded quickcheck v0.9.2
[INFO] [stderr]   Downloaded static_assertions v0.3.4
[INFO] [stderr]   Downloaded rendy-util v0.4.1
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[INFO] [stderr]   Downloaded alga_derive v0.9.2
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[INFO] [stderr]   Downloaded serde_json v1.0.52
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2587af53da50ff67d3128f06604ec60b164cb234b97eb7b66b8d9d5f42a7d1cc
[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" "2587af53da50ff67d3128f06604ec60b164cb234b97eb7b66b8d9d5f42a7d1cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2587af53da50ff67d3128f06604ec60b164cb234b97eb7b66b8d9d5f42a7d1cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2587af53da50ff67d3128f06604ec60b164cb234b97eb7b66b8d9d5f42a7d1cc", kill_on_drop: false }`
[INFO] [stdout] 2587af53da50ff67d3128f06604ec60b164cb234b97eb7b66b8d9d5f42a7d1cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "RUSTDOCFLAGS=--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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ffa31f677560c676ca6d1ffdfa35deafb1a201f6b10d84ea54daceaf5e1bae13
[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" "ffa31f677560c676ca6d1ffdfa35deafb1a201f6b10d84ea54daceaf5e1bae13", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (amethyst) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: unused manifest key: dependencies.amethyst.verion
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling core-foundation-sys v0.6.2
[INFO] [stderr]     Checking block v0.1.6
[INFO] [stderr]    Compiling gfx-backend-metal v0.3.3
[INFO] [stderr]     Checking range-alloc v0.1.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]     Checking copyless v0.1.4
[INFO] [stderr]     Checking mint v0.5.5
[INFO] [stderr]     Checking ahash v0.3.3
[INFO] [stderr]     Checking colorful v0.2.1
[INFO] [stderr]    Compiling edit-distance v2.1.0
[INFO] [stderr]    Compiling inventory v0.1.6
[INFO] [stderr]    Compiling tinystr v0.3.2
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]     Checking objekt v0.1.2
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking fluent-syntax v0.9.3
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling objc_exception v0.1.2
[INFO] [stderr]    Compiling spirv_cross v0.15.0
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.9
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling unic-langid-impl v0.8.0
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]     Checking storage-map v0.2.0
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: cc: fatal error: cannot execute 'cc1obj': execvp: No such file or directory
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] 
[INFO] [stderr] error: failed to run custom build command for `objc_exception v0.1.2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/objc_exception-e5adf9df9a46bde9/build-script-build` (exit code: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   OPT_LEVEL = Some("0")
[INFO] [stderr]   HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   CC_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   CC_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   HOST_CC = None
[INFO] [stderr]   CC = None
[INFO] [stderr]   CFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   CFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   HOST_CFLAGS = None
[INFO] [stderr]   CFLAGS = None
[INFO] [stderr]   CRATE_CC_NO_DEFAULTS = None
[INFO] [stderr]   DEBUG = Some("true")
[INFO] [stderr]   CARGO_CFG_TARGET_FEATURE = Some("fxsr,sse,sse2")
[INFO] [stderr]   running: "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-Wall" "-Wextra" "-o" "/opt/rustwide/target/debug/build/objc_exception-0e3943ed809ed3b2/out/extern/exception.o" "-c" "extern/exception.m"
[INFO] [stderr]   cargo:warning=cc: fatal error: cannot execute 'cc1obj': execvp: No such file or directory
[INFO] [stderr]   cargo:warning=compilation terminated.
[INFO] [stderr]   exit code: 1
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   error occurred: Command "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-Wall" "-Wextra" "-o" "/opt/rustwide/target/debug/build/objc_exception-0e3943ed809ed3b2/out/extern/exception.o" "-c" "extern/exception.m" with args "cc" did not execute successfully (status code exit code: 1).
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ffa31f677560c676ca6d1ffdfa35deafb1a201f6b10d84ea54daceaf5e1bae13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffa31f677560c676ca6d1ffdfa35deafb1a201f6b10d84ea54daceaf5e1bae13", kill_on_drop: false }`
[INFO] [stdout] ffa31f677560c676ca6d1ffdfa35deafb1a201f6b10d84ea54daceaf5e1bae13
