[INFO] cloning repository https://github.com/instantepiphany/dwarves-in-space
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/instantepiphany/dwarves-in-space" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finstantepiphany%2Fdwarves-in-space", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finstantepiphany%2Fdwarves-in-space'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4e36e3822814f15e3559ced0eb6164d30ca0beef
[INFO] testing instantepiphany/dwarves-in-space against 1.95.0 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finstantepiphany%2Fdwarves-in-space" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/instantepiphany/dwarves-in-space
[INFO] finished tweaking git repo https://github.com/instantepiphany/dwarves-in-space
[INFO] tweaked toml for git repo https://github.com/instantepiphany/dwarves-in-space written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/instantepiphany/dwarves-in-space on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/instantepiphany/dwarves-in-space 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ecb88373371b018d1c21df271c840eb61534fa709183a30865c828f59af17f59
[INFO] running `Command { std: "docker" "start" "-a" "ecb88373371b018d1c21df271c840eb61534fa709183a30865c828f59af17f59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ecb88373371b018d1c21df271c840eb61534fa709183a30865c828f59af17f59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecb88373371b018d1c21df271c840eb61534fa709183a30865c828f59af17f59", kill_on_drop: false }`
[INFO] [stdout] ecb88373371b018d1c21df271c840eb61534fa709183a30865c828f59af17f59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 628df9fbe718dbc0f4c7ec5e4ee3fb96c99406fc2f54d53a4f8412679d32d96e
[INFO] running `Command { std: "docker" "start" "-a" "628df9fbe718dbc0f4c7ec5e4ee3fb96c99406fc2f54d53a4f8412679d32d96e", kill_on_drop: false }`
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[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr] warning: objc_exception@0.1.2: cc: fatal error: cannot execute 'cc1obj': execvp: No such file or directory
[INFO] [stderr] warning: objc_exception@0.1.2: compilation terminated.
[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-6f2a94d8629c9e99/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-a0f1ee4ccea1a254/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-a0f1ee4ccea1a254/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" "628df9fbe718dbc0f4c7ec5e4ee3fb96c99406fc2f54d53a4f8412679d32d96e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "628df9fbe718dbc0f4c7ec5e4ee3fb96c99406fc2f54d53a4f8412679d32d96e", kill_on_drop: false }`
[INFO] [stdout] 628df9fbe718dbc0f4c7ec5e4ee3fb96c99406fc2f54d53a4f8412679d32d96e
