[INFO] fetching crate lmonade 0.1.0-alpha.2...
[INFO] testing lmonade-0.1.0-alpha.2 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate lmonade 0.1.0-alpha.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate lmonade 0.1.0-alpha.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate lmonade 0.1.0-alpha.2
[INFO] tweaked toml for crates.io crate lmonade 0.1.0-alpha.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lmonade 0.1.0-alpha.2 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate lmonade 0.1.0-alpha.2 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 219fb9e6fc43c47b0c43eb32254f7a41003cb34a68f56e759d7c02acf41b4931
[INFO] running `Command { std: "docker" "start" "-a" "219fb9e6fc43c47b0c43eb32254f7a41003cb34a68f56e759d7c02acf41b4931", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "219fb9e6fc43c47b0c43eb32254f7a41003cb34a68f56e759d7c02acf41b4931", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "219fb9e6fc43c47b0c43eb32254f7a41003cb34a68f56e759d7c02acf41b4931", kill_on_drop: false }`
[INFO] [stdout] 219fb9e6fc43c47b0c43eb32254f7a41003cb34a68f56e759d7c02acf41b4931
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69e16395bd07171ce57b2245159a11a2ba1cb886ed76e536289434c42b20575f
[INFO] running `Command { std: "docker" "start" "-a" "69e16395bd07171ce57b2245159a11a2ba1cb886ed76e536289434c42b20575f", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling cc v1.2.33
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling bitflags v2.9.2
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling reborrow v0.5.5
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling seq-macro v0.3.6
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling pulp v0.21.5
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling raw-cpuid v11.5.0
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling raw-cpuid v10.7.0
[INFO] [stderr]    Compiling objc_exception v0.1.2
[INFO] [stderr]    Compiling core-foundation-sys v0.8.7
[INFO] [stderr]    Compiling rustversion v1.0.22
[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-f1e494748cfa9beb/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   OUT_DIR = Some(/opt/rustwide/target/debug/build/objc_exception-3c71e91a35a4445a/out)
[INFO] [stderr]   OPT_LEVEL = Some(0)
[INFO] [stderr]   TARGET = Some(x86_64-unknown-linux-gnu)
[INFO] [stderr]   HOST = Some(x86_64-unknown-linux-gnu)
[INFO] [stderr]   cargo:rerun-if-env-changed=CC_x86_64-unknown-linux-gnu
[INFO] [stderr]   CC_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CC_x86_64_unknown_linux_gnu
[INFO] [stderr]   CC_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST_CC
[INFO] [stderr]   HOST_CC = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CC
[INFO] [stderr]   CC = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CC_ENABLE_DEBUG_OUTPUT
[INFO] [stderr]   RUSTC_WRAPPER = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CRATE_CC_NO_DEFAULTS
[INFO] [stderr]   CRATE_CC_NO_DEFAULTS = None
[INFO] [stderr]   DEBUG = Some(true)
[INFO] [stderr]   CARGO_CFG_TARGET_FEATURE = Some(fxsr,sse,sse2,x87)
[INFO] [stderr]   cargo:rerun-if-env-changed=CFLAGS
[INFO] [stderr]   CFLAGS = None
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST_CFLAGS
[INFO] [stderr]   HOST_CFLAGS = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CFLAGS_x86_64_unknown_linux_gnu
[INFO] [stderr]   CFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CFLAGS_x86_64-unknown-linux-gnu
[INFO] [stderr]   CFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   CARGO_ENCODED_RUSTFLAGS = Some(--cap-lints=forbid)
[INFO] [stderr]   cargo:warning=cc: fatal error: cannot execute 'cc1obj': execvp: No such file or directory
[INFO] [stderr]   cargo:warning=compilation terminated.
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   error occurred in cc-rs: command did not execute successfully (status code exit status: 1): LC_ALL="C" "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-gdwarf-4" "-fno-omit-frame-pointer" "-m64" "-Wall" "-Wextra" "-o" "/opt/rustwide/target/debug/build/objc_exception-3c71e91a35a4445a/out/6e31d61a582ee51a-exception.o" "-c" "extern/exception.m"
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "69e16395bd07171ce57b2245159a11a2ba1cb886ed76e536289434c42b20575f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69e16395bd07171ce57b2245159a11a2ba1cb886ed76e536289434c42b20575f", kill_on_drop: false }`
[INFO] [stdout] 69e16395bd07171ce57b2245159a11a2ba1cb886ed76e536289434c42b20575f