[INFO] fetching crate mu_lib 0.1.10...
[INFO] checking mu_lib-0.1.10 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate mu_lib 0.1.10 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate mu_lib 0.1.10
[INFO] finished tweaking crates.io crate mu_lib 0.1.10
[INFO] tweaked toml for crates.io crate mu_lib 0.1.10 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mu_lib 0.1.10 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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 36 packages to latest compatible versions
[INFO] [stderr]       Adding bindgen v0.70.1 (available: v0.72.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 646384ea3acc1d729439cf75ab01f5834541e51fc3c3789a6d9f75fbe8a63d95
[INFO] running `Command { std: "docker" "start" "-a" "646384ea3acc1d729439cf75ab01f5834541e51fc3c3789a6d9f75fbe8a63d95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "646384ea3acc1d729439cf75ab01f5834541e51fc3c3789a6d9f75fbe8a63d95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "646384ea3acc1d729439cf75ab01f5834541e51fc3c3789a6d9f75fbe8a63d95", kill_on_drop: false }`
[INFO] [stdout] 646384ea3acc1d729439cf75ab01f5834541e51fc3c3789a6d9f75fbe8a63d95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33886c779c33324941f6780f25da9fabcea8be4e3af1baae10f79b60e6f6964b
[INFO] running `Command { std: "docker" "start" "-a" "33886c779c33324941f6780f25da9fabcea8be4e3af1baae10f79b60e6f6964b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling bindgen v0.70.1
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling bitflags v2.9.3
[INFO] [stderr]    Compiling libloading v0.8.8
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling cc v1.2.34
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling regex-automata v0.4.10
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling regex v1.11.2
[INFO] [stderr]    Compiling mu_lib v0.1.10 (/opt/rustwide/workdir)
[INFO] [stderr] warning: mu_lib@0.1.10: Compiler family detection failed due to error: ToolNotFound: failed to find tool "/usr/local/mu_library/mu_llvm/llvm-18.1/bin/clang": No such file or directory (os error 2)
[INFO] [stderr] error: failed to run custom build command for `mu_lib v0.1.10 (/opt/rustwide/workdir)`
[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/mu_lib-ae693946697294df/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=src
[INFO] [stderr]   cargo:rustc-linker=/usr/local/mu_library/mu_llvm/llvm-18.1/bin/ld.lld
[INFO] [stderr]   cargo:rustc-link-search=/usr/local/mu_library/mu_llvm/llvm-18.1/picolibc-rv/newlib
[INFO] [stderr]   cargo:rustc-link-search=/usr/local/mu_library/mu_llvm/llvm-18.1/builtins-rv
[INFO] [stderr]   cargo:rustc-link-lib=clang_rt.builtins-riscv64
[INFO] [stderr]   cargo:rustc-link-search=/usr/local/mu_library/mu/lib
[INFO] [stderr]   cargo:rustc-link-lib=mu_std
[INFO] [stderr]   cargo:rustc-flag=-C target-feature=+xmetis
[INFO] [stderr]   cargo:rerun-if-changed=/usr/local/mu_library/mu/script/mu_startup.s
[INFO] [stderr]   OUT_DIR = Some(/opt/rustwide/target/debug/build/mu_lib-772a6f6c0fca6a09/out)
[INFO] [stderr]   OPT_LEVEL = Some(0)
[INFO] [stderr]   cargo:rerun-if-env-changed=CC_ENABLE_DEBUG_OUTPUT
[INFO] [stderr]   cargo:warning=Compiler family detection failed due to error: ToolNotFound: failed to find tool "/usr/local/mu_library/mu_llvm/llvm-18.1/bin/clang": No such file or directory (os error 2)
[INFO] [stderr]   cargo:rerun-if-env-changed=CRATE_CC_NO_DEFAULTS
[INFO] [stderr]   CRATE_CC_NO_DEFAULTS = None
[INFO] [stderr]   TARGET = Some(x86_64-unknown-linux-gnu)
[INFO] [stderr]   DEBUG = Some(true)
[INFO] [stderr]   HOST = Some(x86_64-unknown-linux-gnu)
[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] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   error occurred in cc-rs: failed to find tool "/usr/local/mu_library/mu_llvm/llvm-18.1/bin/clang": No such file or directory (os error 2)
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] running `Command { std: "docker" "inspect" "33886c779c33324941f6780f25da9fabcea8be4e3af1baae10f79b60e6f6964b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33886c779c33324941f6780f25da9fabcea8be4e3af1baae10f79b60e6f6964b", kill_on_drop: false }`
[INFO] [stdout] 33886c779c33324941f6780f25da9fabcea8be4e3af1baae10f79b60e6f6964b