[INFO] fetching crate metal 0.25.0...
[INFO] checking metal-0.25.0 against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] extracting crate metal 0.25.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate metal 0.25.0 on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate metal 0.25.0
[INFO] removed 12 missing examples
[INFO] finished tweaking crates.io crate metal 0.25.0
[INFO] tweaked toml for crates.io crate metal 0.25.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate metal 0.25.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e18cb479a7b55d532c44f81e10133689a90936c5119c6c3f02dd1e57d9b08142
[INFO] running `Command { std: "docker" "start" "-a" "e18cb479a7b55d532c44f81e10133689a90936c5119c6c3f02dd1e57d9b08142", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e18cb479a7b55d532c44f81e10133689a90936c5119c6c3f02dd1e57d9b08142", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e18cb479a7b55d532c44f81e10133689a90936c5119c6c3f02dd1e57d9b08142", kill_on_drop: false }`
[INFO] [stdout] e18cb479a7b55d532c44f81e10133689a90936c5119c6c3f02dd1e57d9b08142
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd4a8345a1a9f4d78ba5235a11be44afa2179bae2682811571bd7462c3a8c8db
[INFO] running `Command { std: "docker" "start" "-a" "dd4a8345a1a9f4d78ba5235a11be44afa2179bae2682811571bd7462c3a8c8db", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]    Compiling core-foundation-sys v0.8.3
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking libloading v0.7.3
[INFO] [stderr]     Checking simd-adler32 v0.3.5
[INFO] [stderr]    Compiling slotmap v1.0.6
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking libc v0.1.12
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.58
[INFO] [stderr]     Checking foreign-types-shared v0.3.1
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking fdeflate v0.3.0
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]     Checking malloc_buf v0.0.6
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking block v0.1.6
[INFO] [stderr]     Checking tiny-skia-path v0.7.0
[INFO] [stderr]     Checking safe_arch v0.5.2
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking raw-window-handle v0.5.2
[INFO] [stderr]     Checking raw-window-handle v0.4.3
[INFO] [stderr]     Checking glam v0.22.0
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]     Checking flate2 v1.0.26
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling servo-fontconfig-sys v5.1.0
[INFO] [stderr]    Compiling smithay-client-toolkit v0.16.0
[INFO] [stderr]    Compiling crossfont v0.5.1
[INFO] [stderr]    Compiling wayland-scanner v0.29.5
[INFO] [stderr]    Compiling syn v2.0.16
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]    Compiling x11-dl v2.19.1
[INFO] [stderr]     Checking png v0.17.8
[INFO] [stderr]    Compiling freetype-sys v0.13.1
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling objc_exception v0.1.2
[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] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/objc_exception-8652c6ef9ba8ccc1/build-script-build` (exit status: 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-6bfd60317b2d56a3/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 status: 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-6bfd60317b2d56a3/out/extern/exception.o" "-c" "extern/exception.m" with args "cc" did not execute successfully (status code exit status: 1).
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "dd4a8345a1a9f4d78ba5235a11be44afa2179bae2682811571bd7462c3a8c8db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd4a8345a1a9f4d78ba5235a11be44afa2179bae2682811571bd7462c3a8c8db", kill_on_drop: false }`
[INFO] [stdout] dd4a8345a1a9f4d78ba5235a11be44afa2179bae2682811571bd7462c3a8c8db
