[INFO] fetching crate objr 1.0.0...
[INFO] testing objr-1.0.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate objr 1.0.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate objr 1.0.0
[INFO] finished tweaking crates.io crate objr 1.0.0
[INFO] tweaked toml for crates.io crate objr 1.0.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate objr 1.0.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 74 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.6.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded objr_procmacro v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e89fb15bbb872c0efd9224064fa2a776d671086d75921aa3b4c0fa7e1885912
[INFO] running `Command { std: "docker" "start" "-a" "1e89fb15bbb872c0efd9224064fa2a776d671086d75921aa3b4c0fa7e1885912", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e89fb15bbb872c0efd9224064fa2a776d671086d75921aa3b4c0fa7e1885912", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e89fb15bbb872c0efd9224064fa2a776d671086d75921aa3b4c0fa7e1885912", kill_on_drop: false }`
[INFO] [stdout] 1e89fb15bbb872c0efd9224064fa2a776d671086d75921aa3b4c0fa7e1885912
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 14de9bcc522e65adf0608329d596e17656f2cec263da2640b9d71c800c24f6a9
[INFO] running `Command { std: "docker" "start" "-a" "14de9bcc522e65adf0608329d596e17656f2cec263da2640b9d71c800c24f6a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling objr v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling objr_procmacro v1.0.0
[INFO] [stderr] warning: objr@1.0.0: x86_64-linux-gnu-gcc: fatal error: cannot execute 'cc1obj': execvp: No such file or directory
[INFO] [stderr] warning: objr@1.0.0: compilation terminated.
[INFO] [stderr] error: failed to run custom build command for `objr v1.0.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/objr-7c4a8307787d3436/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   OUT_DIR = Some(/opt/rustwide/target/x86_64-unknown-linux-musl/debug/build/objr-7c46596b3ae91fc9/out)
[INFO] [stderr]   OPT_LEVEL = Some(0)
[INFO] [stderr]   TARGET = Some(x86_64-unknown-linux-musl)
[INFO] [stderr]   HOST = Some(x86_64-unknown-linux-gnu)
[INFO] [stderr]   cargo:rerun-if-env-changed=CC_x86_64-unknown-linux-musl
[INFO] [stderr]   CC_x86_64-unknown-linux-musl = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CC_x86_64_unknown_linux_musl
[INFO] [stderr]   CC_x86_64_unknown_linux_musl = None
[INFO] [stderr]   cargo:rerun-if-env-changed=TARGET_CC
[INFO] [stderr]   TARGET_CC = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CC
[INFO] [stderr]   CC = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CROSS_COMPILE
[INFO] [stderr]   CROSS_COMPILE = None
[INFO] [stderr]   RUSTC_LINKER = None
[INFO] [stderr]   PATH = Some(/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin)
[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=TARGET_CFLAGS
[INFO] [stderr]   TARGET_CFLAGS = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CFLAGS_x86_64_unknown_linux_musl
[INFO] [stderr]   CFLAGS_x86_64_unknown_linux_musl = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CFLAGS_x86_64-unknown-linux-musl
[INFO] [stderr]   CFLAGS_x86_64-unknown-linux-musl = None
[INFO] [stderr]   CARGO_ENCODED_RUSTFLAGS = Some(--cap-lints=forbid)
[INFO] [stderr]   cargo:warning=x86_64-linux-gnu-gcc: 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" "x86_64-linux-musl-gcc" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-gdwarf-4" "-fno-omit-frame-pointer" "-m64" "-Wall" "-Wextra" "-o" "/opt/rustwide/target/x86_64-unknown-linux-musl/debug/build/objr-7c46596b3ae91fc9/out/dce005d523844fc4-hard-exception.o" "-c" "src/hard-exception.m"
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "14de9bcc522e65adf0608329d596e17656f2cec263da2640b9d71c800c24f6a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14de9bcc522e65adf0608329d596e17656f2cec263da2640b9d71c800c24f6a9", kill_on_drop: false }`
[INFO] [stdout] 14de9bcc522e65adf0608329d596e17656f2cec263da2640b9d71c800c24f6a9