[INFO] fetching crate rftrace 0.3.2...
[INFO] testing rftrace-0.3.2 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate rftrace 0.3.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate rftrace 0.3.2
[INFO] finished tweaking crates.io crate rftrace 0.3.2
[INFO] tweaked toml for crates.io crate rftrace 0.3.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rftrace 0.3.2 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rftrace 0.3.2 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" "+beta-2025-09-21" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b3fb2ece7170ea4bbd5c3571542c4ae8e7dd5b5f18c649ff1af2be809dae29e
[INFO] running `Command { std: "docker" "start" "-a" "4b3fb2ece7170ea4bbd5c3571542c4ae8e7dd5b5f18c649ff1af2be809dae29e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b3fb2ece7170ea4bbd5c3571542c4ae8e7dd5b5f18c649ff1af2be809dae29e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b3fb2ece7170ea4bbd5c3571542c4ae8e7dd5b5f18c649ff1af2be809dae29e", kill_on_drop: false }`
[INFO] [stdout] 4b3fb2ece7170ea4bbd5c3571542c4ae8e7dd5b5f18c649ff1af2be809dae29e
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3af219b95c49f7d5a06a7ac74143e1ed6a70e377d78e5913f298653e883530c4
[INFO] running `Command { std: "docker" "start" "-a" "3af219b95c49f7d5a06a7ac74143e1ed6a70e377d78e5913f298653e883530c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.2.32
[INFO] [stderr]    Compiling home v0.5.11
[INFO] [stderr]    Compiling llvm-tools v0.1.1
[INFO] [stderr]    Compiling rftrace v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `rftrace v0.3.2 (/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/rftrace-3d3b6ac62afa1732/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   Building Backend!
[INFO] [stderr]   cargo::rerun-if-changed=src/thread_local.c
[INFO] [stderr]   OUT_DIR = Some(/opt/rustwide/target/debug/build/rftrace-92bab6528742880f/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)
[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=warn)
[INFO] [stderr]   cargo:rerun-if-env-changed=AR_x86_64-unknown-linux-gnu
[INFO] [stderr]   AR_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   cargo:rerun-if-env-changed=AR_x86_64_unknown_linux_gnu
[INFO] [stderr]   AR_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST_AR
[INFO] [stderr]   HOST_AR = None
[INFO] [stderr]   cargo:rerun-if-env-changed=AR
[INFO] [stderr]   AR = None
[INFO] [stderr]   cargo:rerun-if-env-changed=ARFLAGS
[INFO] [stderr]   ARFLAGS = None
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST_ARFLAGS
[INFO] [stderr]   HOST_ARFLAGS = None
[INFO] [stderr]   cargo:rerun-if-env-changed=ARFLAGS_x86_64_unknown_linux_gnu
[INFO] [stderr]   ARFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   cargo:rerun-if-env-changed=ARFLAGS_x86_64-unknown-linux-gnu
[INFO] [stderr]   ARFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   cargo:rustc-link-lib=static=thread_local
[INFO] [stderr]   cargo:rustc-link-search=native=/opt/rustwide/target/debug/build/rftrace-92bab6528742880f/out
[INFO] [stderr]   Starting sub-cargo
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]      Compiling shlex v1.3.0
[INFO] [stderr]      Compiling llvm-tools v0.1.1
[INFO] [stderr]      Compiling home v0.5.11
[INFO] [stderr]      Compiling cc v1.2.32
[INFO] [stderr]      Compiling rftrace v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]   error[E0463]: can't find crate for `core`
[INFO] [stderr]     |
[INFO] [stderr]     = note: the `x86_64-unknown-none` target may not be installed
[INFO] [stderr]     = help: consider downloading the target with `rustup target add x86_64-unknown-none`
[INFO] [stderr] 
[INFO] [stderr]   For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr]   error: could not compile `rftrace` (lib) due to 1 previous error
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (94) panicked at build.rs:68:5:
[INFO] [stderr]   Unable to build tracer's static lib!
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5dccf1fc0ed2 - std::backtrace_rs::backtrace::libunwind::trace::hcab59e1e990fdc24
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5dccf1fc0ed2 - std::backtrace_rs::backtrace::trace_unsynchronized::he24cc57f3d2f47b7
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5dccf1fc0ed2 - std::sys::backtrace::_print_fmt::hf8d65ede198eeb54
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5dccf1fc0ed2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h67edf0e4d33c343c
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5dccf1fd17cf - core::fmt::rt::Argument::fmt::hef94184842aeafdd
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x5dccf1fd17cf - core::fmt::write::hcf0c66b48a8fa606
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/mod.rs:1468:25
[INFO] [stderr]      6:     0x5dccf1f8f171 - std::io::default_write_fmt::h1ecb8c7cfa7da481
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5dccf1f8f171 - std::io::Write::write_fmt::h051fe4a9e4fdbf48
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x5dccf1f9b312 - std::sys::backtrace::BacktraceLock::print::h07e5435aa717b414
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x5dccf1f9e04c - std::panicking::default_hook::{{closure}}::h91001850288db5f7
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x5dccf1f9dea6 - std::panicking::default_hook::h2346dbb704ef5512
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x5dccf1f9e6d5 - std::panicking::panic_with_hook::hd2b063a6090d23a4
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x5dccf1f9dd9c - std::panicking::begin_panic::{{closure}}::h03764aec75fd6fbf
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:771:9
[INFO] [stderr]     13:     0x5dccf1f9b459 - std::sys::backtrace::__rust_end_short_backtrace::h840811b1dfa0dad5
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x5dccf1f9dd62 - std::panicking::begin_panic::hcf2bdd8da61aefe8
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:770:5
[INFO] [stderr]     15:     0x5dccf1f05968 - build_script_build::build_backend::hf1a0550a38cb25b0
[INFO] [stderr]     16:     0x5dccf1f06ee1 - build_script_build::main::h00849901f38cdd7c
[INFO] [stderr]     17:     0x5dccf1f0abb3 - core::ops::function::FnOnce::call_once::h66925a3614818150
[INFO] [stderr]     18:     0x5dccf1f0a686 - std::sys::backtrace::__rust_begin_short_backtrace::h9e2473bd62a1e1f8
[INFO] [stderr]     19:     0x5dccf1f0a669 - std::rt::lang_start::{{closure}}::h9155f0468063321f
[INFO] [stderr]     20:     0x5dccf1f90cc0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h4967fb77e0dfb65c
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     21:     0x5dccf1f90cc0 - std::panicking::catch_unwind::do_call::hf7e87675c3e14c23
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stderr]     22:     0x5dccf1f90cc0 - std::panicking::catch_unwind::h26f0e342004b5114
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stderr]     23:     0x5dccf1f90cc0 - std::panic::catch_unwind::h9ee33ca17775d897
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stderr]     24:     0x5dccf1f90cc0 - std::rt::lang_start_internal::{{closure}}::h243ba3495fa13cf8
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:175:24
[INFO] [stderr]     25:     0x5dccf1f90cc0 - std::panicking::catch_unwind::do_call::h819db0a7788e7259
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stderr]     26:     0x5dccf1f90cc0 - std::panicking::catch_unwind::h23e08fb4a7b9f405
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stderr]     27:     0x5dccf1f90cc0 - std::panic::catch_unwind::h7ca3d9eabb6135ff
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stderr]     28:     0x5dccf1f90cc0 - std::rt::lang_start_internal::h06ad7395f4fda8d7
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:171:5
[INFO] [stderr]     29:     0x5dccf1f0a651 - std::rt::lang_start::heb19f56532473af4
[INFO] [stderr]     30:     0x5dccf1f09ef5 - main
[INFO] [stderr]     31:     0x73ef01bcb1ca - <unknown>
[INFO] [stderr]     32:     0x73ef01bcb28b - __libc_start_main
[INFO] [stderr]     33:     0x5dccf1f02d95 - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "3af219b95c49f7d5a06a7ac74143e1ed6a70e377d78e5913f298653e883530c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3af219b95c49f7d5a06a7ac74143e1ed6a70e377d78e5913f298653e883530c4", kill_on_drop: false }`
[INFO] [stdout] 3af219b95c49f7d5a06a7ac74143e1ed6a70e377d78e5913f298653e883530c4
