[INFO] cloning repository https://github.com/grovesNL/amethyst-example-patch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/grovesNL/amethyst-example-patch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FgrovesNL%2Famethyst-example-patch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FgrovesNL%2Famethyst-example-patch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 08c9cb9c90e4795d38a65cb578d1017a1aa7b545
[INFO] documenting grovesNL/amethyst-example-patch against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FgrovesNL%2Famethyst-example-patch" "/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/grovesNL/amethyst-example-patch on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/grovesNL/amethyst-example-patch
[INFO] finished tweaking git repo https://github.com/grovesNL/amethyst-example-patch
[INFO] tweaked toml for git repo https://github.com/grovesNL/amethyst-example-patch written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/grovesNL/amethyst-example-patch already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/grovesNL/gfx`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded paste-impl v0.1.12
[INFO] [stderr]   Downloaded cmake v0.1.43
[INFO] [stderr]   Downloaded thiserror v1.0.18
[INFO] [stderr]   Downloaded euclid v0.20.11
[INFO] [stderr]   Downloaded ctor v0.1.14
[INFO] [stderr]   Downloaded paste v0.1.12
[INFO] [stderr]   Downloaded thiserror-impl v1.0.18
[INFO] [stderr]   Downloaded ahash v0.3.4
[INFO] [stderr]   Downloaded syn v1.0.21
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fdaf3da957ab7858348340be36dc870a5516da21ba3a6eed9c030caf912cbbcd
[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" "fdaf3da957ab7858348340be36dc870a5516da21ba3a6eed9c030caf912cbbcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fdaf3da957ab7858348340be36dc870a5516da21ba3a6eed9c030caf912cbbcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdaf3da957ab7858348340be36dc870a5516da21ba3a6eed9c030caf912cbbcd", kill_on_drop: false }`
[INFO] [stdout] fdaf3da957ab7858348340be36dc870a5516da21ba3a6eed9c030caf912cbbcd
[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" "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-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ed570ef2b4f01f8f5a90b981e34db033b949739c5233cfd94aade2d7f410cf2
[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" "3ed570ef2b4f01f8f5a90b981e34db033b949739c5233cfd94aade2d7f410cf2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling syn v1.0.21
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling core-foundation-sys v0.6.2
[INFO] [stderr]     Checking block v0.1.6
[INFO] [stderr]     Checking range-alloc v0.1.0 (https://github.com/grovesNL/gfx?branch=0.3-workaround#796f9c5a)
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]     Checking ahash v0.3.4
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling inventory v0.1.6
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking addr2line v0.12.0
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.9
[INFO] [stderr]    Compiling objc_exception v0.1.2
[INFO] [stderr]    Compiling spirv_cross v0.15.0
[INFO] [stderr]    Compiling cmake v0.1.43
[INFO] [stderr]     Checking storage-map v0.2.0
[INFO] [stderr]     Checking ryu v1.0.4
[INFO] [stderr]    Compiling quote v1.0.5
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking hashbrown v0.7.2
[INFO] [stderr]    Compiling cpal v0.11.0
[INFO] [stderr]     Checking nom v5.1.1
[INFO] [stderr]     Checking euclid v0.20.11
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]    Compiling rustc_version_runtime v0.1.5
[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-3b769e43e519ed8d/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-1f7b2a3a3e9efa7f/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-1f7b2a3a3e9efa7f/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" "3ed570ef2b4f01f8f5a90b981e34db033b949739c5233cfd94aade2d7f410cf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ed570ef2b4f01f8f5a90b981e34db033b949739c5233cfd94aade2d7f410cf2", kill_on_drop: false }`
[INFO] [stdout] 3ed570ef2b4f01f8f5a90b981e34db033b949739c5233cfd94aade2d7f410cf2