[INFO] updating cached repository https://github.com/kuy/elevato-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4384394a9cbb85664a3103abae3d9d0e477d33bd
[INFO] checking kuy/elevato-rs against try#f149601db42efe10ece8b284ab681fd4a6fcb89c for pr-68766
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkuy%2Felevato-rs" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kuy/elevato-rs on toolchain f149601db42efe10ece8b284ab681fd4a6fcb89c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/kuy/elevato-rs
[INFO] removed path dependency amethyst from git repo https://github.com/kuy/elevato-rs
[INFO] removed path dependency amethyst-imgui from git repo https://github.com/kuy/elevato-rs
[INFO] finished tweaking git repo https://github.com/kuy/elevato-rs
[INFO] tweaked toml for git repo https://github.com/kuy/elevato-rs written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/kuy/elevato-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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: dependency (amethyst-imgui) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-5/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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: dependency (amethyst-imgui) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4592dcba0cb57dcb673a545925a85332a7fe1b5ffdea8c24e2a4252fc48c9820
[INFO] running `"docker" "start" "-a" "4592dcba0cb57dcb673a545925a85332a7fe1b5ffdea8c24e2a4252fc48c9820"`
[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: dependency (amethyst-imgui) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking downcast-rs v1.1.1
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking mint v0.5.4
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]     Checking colorful v0.2.1
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking tuple_utils v0.3.0
[INFO] [stderr]     Checking shrev v1.1.1
[INFO] [stderr]    Compiling edit-distance v2.1.0
[INFO] [stderr]    Compiling core-foundation-sys v0.6.2
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking block v0.1.6
[INFO] [stderr]     Checking objekt v0.1.2
[INFO] [stderr]    Compiling gfx-backend-metal v0.3.3
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]     Checking range-alloc v0.1.0
[INFO] [stderr]    Compiling tinystr v0.3.2
[INFO] [stderr]     Checking claxon v0.4.2
[INFO] [stderr]     Checking xi-unicode v0.2.0
[INFO] [stderr]     Checking fluent-syntax v0.9.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling objc_exception v0.1.2
[INFO] [stderr]    Compiling spirv_cross v0.15.0
[INFO] [stderr]    Compiling minimp3-sys v0.3.1
[INFO] [stderr]    Compiling imgui-sys v0.2.0
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.9
[INFO] [stderr]     Checking hibitset v0.5.4
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling unic-langid-impl v0.6.2
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[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-d320f785ade64630/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,mmx,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-d3b86741a159b6e1/out/extern/exception.o" "-c" "extern/exception.m"
[INFO] [stderr] cargo:warning=cc: error trying to exec 'cc1obj': execvp: No such file or directory
[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-d3b86741a159b6e1/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] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "4592dcba0cb57dcb673a545925a85332a7fe1b5ffdea8c24e2a4252fc48c9820"`
[INFO] running `"docker" "rm" "-f" "4592dcba0cb57dcb673a545925a85332a7fe1b5ffdea8c24e2a4252fc48c9820"`
[INFO] [stdout] 4592dcba0cb57dcb673a545925a85332a7fe1b5ffdea8c24e2a4252fc48c9820