[INFO] fetching crate rftrace 0.3.2...
[INFO] testing rftrace-0.3.2 against 1.91.0 for beta-1.92-2
[INFO] extracting crate rftrace 0.3.2 into /workspace/builds/worker-3-tc1/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-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rftrace 0.3.2 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded llvm-tools v0.1.1
[INFO] [stderr]   Downloaded cc v1.2.32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7059bafbd457ae7f6a8f283c08e86d2392dba164032b8790574ae43ec84777b9
[INFO] running `Command { std: "docker" "start" "-a" "7059bafbd457ae7f6a8f283c08e86d2392dba164032b8790574ae43ec84777b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7059bafbd457ae7f6a8f283c08e86d2392dba164032b8790574ae43ec84777b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7059bafbd457ae7f6a8f283c08e86d2392dba164032b8790574ae43ec84777b9", kill_on_drop: false }`
[INFO] [stdout] 7059bafbd457ae7f6a8f283c08e86d2392dba164032b8790574ae43ec84777b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f5bca50ea6c76d9c7d5ac1c4184b736f8f4bb0cd4cec8ac1104aff5cb3c3b69
[INFO] running `Command { std: "docker" "start" "-a" "2f5bca50ea6c76d9c7d5ac1c4184b736f8f4bb0cd4cec8ac1104aff5cb3c3b69", 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-4e906f5070e6cfc3/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-a36bf5f6ab2c25e7/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-a36bf5f6ab2c25e7/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' (78) panicked at build.rs:68:5:
[INFO] [stderr]   Unable to build tracer's static lib!
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x607ded18cd32 - std::backtrace_rs::backtrace::libunwind::trace::h62f3c6bea0fedab3
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x607ded18cd32 - std::backtrace_rs::backtrace::trace_unsynchronized::hc41aaca6c0af0bde
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x607ded18cd32 - std::sys::backtrace::_print_fmt::h33ac2b97007106cc
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x607ded18cd32 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h4e0a3aeea0f9c085
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x607ded19d62f - core::fmt::rt::Argument::fmt::h1edd6a3e00b22f10
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x607ded19d62f - core::fmt::write::hecf68a131630c74d
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/fmt/mod.rs:1468:25
[INFO] [stderr]      6:     0x607ded15b141 - std::io::default_write_fmt::haf8355dc2afbec95
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x607ded15b141 - std::io::Write::write_fmt::h93c9a261259c931a
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x607ded167192 - std::sys::backtrace::BacktraceLock::print::h75160192768e5621
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x607ded169ecc - std::panicking::default_hook::{{closure}}::h14d82797cfb1ddcb
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x607ded169d26 - std::panicking::default_hook::h63f9bf8161c5d325
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x607ded16a555 - std::panicking::panic_with_hook::h3173740e06bd0752
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x607ded169c1c - std::panicking::begin_panic::{{closure}}::ha28865091da30955
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:771:9
[INFO] [stderr]     13:     0x607ded1672c9 - std::sys::backtrace::__rust_end_short_backtrace::h0ae7f4a58b3e613f
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x607ded169be2 - std::panicking::begin_panic::hfff4078bb7f4507d
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:770:5
[INFO] [stderr]     15:     0x607ded0d1948 - build_script_build::build_backend::h5975e81f734c7220
[INFO] [stderr]     16:     0x607ded0d2ec1 - build_script_build::main::h899000e489f9a171
[INFO] [stderr]     17:     0x607ded0d6d43 - core::ops::function::FnOnce::call_once::hed9c49ebe692cc7f
[INFO] [stderr]     18:     0x607ded0d4006 - std::sys::backtrace::__rust_begin_short_backtrace::haa99fdd7d64c82c6
[INFO] [stderr]     19:     0x607ded0d6779 - std::rt::lang_start::{{closure}}::h0f63c1884a924b3f
[INFO] [stderr]     20:     0x607ded15cc70 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hc7ed5622678f5124
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     21:     0x607ded15cc70 - std::panicking::catch_unwind::do_call::hc59414a11cf2a25a
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:590:40
[INFO] [stderr]     22:     0x607ded15cc70 - std::panicking::catch_unwind::hff67b45e0819a036
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:553:19
[INFO] [stderr]     23:     0x607ded15cc70 - std::panic::catch_unwind::hec0fb0db85f7fd60
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panic.rs:359:14
[INFO] [stderr]     24:     0x607ded15cc70 - std::rt::lang_start_internal::{{closure}}::h74bea026352620a3
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/rt.rs:175:24
[INFO] [stderr]     25:     0x607ded15cc70 - std::panicking::catch_unwind::do_call::h931ef1bf7bdfcae2
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:590:40
[INFO] [stderr]     26:     0x607ded15cc70 - std::panicking::catch_unwind::h3816830c825cbe04
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:553:19
[INFO] [stderr]     27:     0x607ded15cc70 - std::panic::catch_unwind::h408406c8f02ebb9d
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panic.rs:359:14
[INFO] [stderr]     28:     0x607ded15cc70 - std::rt::lang_start_internal::hce2b8b328837374b
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/rt.rs:171:5
[INFO] [stderr]     29:     0x607ded0d6761 - std::rt::lang_start::h875b328e539834ce
[INFO] [stderr]     30:     0x607ded0d5fc5 - main
[INFO] [stderr]     31:     0x7d16ad9a31ca - <unknown>
[INFO] [stderr]     32:     0x7d16ad9a328b - __libc_start_main
[INFO] [stderr]     33:     0x607ded0cedb5 - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "2f5bca50ea6c76d9c7d5ac1c4184b736f8f4bb0cd4cec8ac1104aff5cb3c3b69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f5bca50ea6c76d9c7d5ac1c4184b736f8f4bb0cd4cec8ac1104aff5cb3c3b69", kill_on_drop: false }`
[INFO] [stdout] 2f5bca50ea6c76d9c7d5ac1c4184b736f8f4bb0cd4cec8ac1104aff5cb3c3b69
