[INFO] fetching crate mini-backtrace 0.1.4...
[INFO] testing mini-backtrace-0.1.4 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate mini-backtrace 0.1.4 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate mini-backtrace 0.1.4
[INFO] finished tweaking crates.io crate mini-backtrace 0.1.4
[INFO] tweaked toml for crates.io crate mini-backtrace 0.1.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mini-backtrace 0.1.4 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mini-backtrace 0.1.4 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 90ab6b2e6cbe0823f35400c8947294f3cdd4ad4a1cf8087bcffc59f95286d470
[INFO] running `Command { std: "docker" "start" "90ab6b2e6cbe0823f35400c8947294f3cdd4ad4a1cf8087bcffc59f95286d470", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90ab6b2e6cbe0823f35400c8947294f3cdd4ad4a1cf8087bcffc59f95286d470", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "90ab6b2e6cbe0823f35400c8947294f3cdd4ad4a1cf8087bcffc59f95286d470" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90ab6b2e6cbe0823f35400c8947294f3cdd4ad4a1cf8087bcffc59f95286d470", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "90ab6b2e6cbe0823f35400c8947294f3cdd4ad4a1cf8087bcffc59f95286d470" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling libc v0.2.143
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling prettyplease v0.2.4
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling bindgen v0.65.1
[INFO] [stderr]    Compiling regex-syntax v0.7.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling cty v0.2.2
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling walkdir v2.3.3
[INFO] [stderr]    Compiling clang-sys v1.6.1
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]    Compiling which v4.4.0
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling regex v1.8.1
[INFO] [stderr]    Compiling mini-backtrace v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 21.05s
[INFO] running `Command { std: "docker" "inspect" "90ab6b2e6cbe0823f35400c8947294f3cdd4ad4a1cf8087bcffc59f95286d470", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "90ab6b2e6cbe0823f35400c8947294f3cdd4ad4a1cf8087bcffc59f95286d470" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling mini-backtrace v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/opt/rustwide/target/release/build/mini-backtrace/2b61bc2a69e7570f/out/rustcCTjN0J/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/release/build/mini-backtrace/36ae76d0b19a97de/out/libmini_backtrace-36ae76d0b19a97de.rlib" "/opt/rustwide/target/release/build/cty/bc426473929b64f1/out/libcty-bc426473929b64f1.rlib" "/opt/rustwide/target/release/build/cfg-if/193575a6b29a3ab9/out/libcfg_if-193575a6b29a3ab9.rlib" "/opt/rustwide/target/release/build/arrayvec/80dabb1189dee06b/out/libarrayvec-80dabb1189dee06b.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,libcfg_if-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,liblibc-*,librustc_std_workspace_core-*,liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/opt/rustwide/target/release/build/mini-backtrace/2b61bc2a69e7570f/out/rustcCTjN0J/raw-dylibs" "-B<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/target/release/build/mini-backtrace/adad42a9e8af0ba6/out" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/release/build/mini-backtrace/2b61bc2a69e7570f/out/backtrace" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-Wl,-O1" "-Wl,--strip-debug" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: rust-lld: error: undefined symbol: __eh_frame_end
[INFO] [stdout]           >>> referenced by libunwind.cpp
[INFO] [stdout]           >>>               libunwind.o:(libunwind::UnwindCursor<libunwind::LocalAddressSpace, libunwind::Registers_x86_64>::setInfoBasedOnIPRegister(bool)) in archive /opt/rustwide/target/release/build/mini-backtrace/36ae76d0b19a97de/out/libmini_backtrace-36ae76d0b19a97de.rlib
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: __eh_frame_start
[INFO] [stdout]           >>> referenced by libunwind.cpp
[INFO] [stdout]           >>>               libunwind.o:(libunwind::UnwindCursor<libunwind::LocalAddressSpace, libunwind::Registers_x86_64>::setInfoBasedOnIPRegister(bool)) in archive /opt/rustwide/target/release/build/mini-backtrace/36ae76d0b19a97de/out/libmini_backtrace-36ae76d0b19a97de.rlib
[INFO] [stdout]           >>> referenced by libunwind.cpp
[INFO] [stdout]           >>>               libunwind.o:(libunwind::UnwindCursor<libunwind::LocalAddressSpace, libunwind::Registers_x86_64>::setInfoBasedOnIPRegister(bool)) in archive /opt/rustwide/target/release/build/mini-backtrace/36ae76d0b19a97de/out/libmini_backtrace-36ae76d0b19a97de.rlib
[INFO] [stdout]           >>> referenced by libunwind.cpp
[INFO] [stdout]           >>>               libunwind.o:(libunwind::UnwindCursor<libunwind::LocalAddressSpace, libunwind::Registers_x86_64>::setInfoBasedOnIPRegister(bool)) in archive /opt/rustwide/target/release/build/mini-backtrace/36ae76d0b19a97de/out/libmini_backtrace-36ae76d0b19a97de.rlib
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: __eh_frame_hdr_start
[INFO] [stdout]           >>> referenced by libunwind.cpp
[INFO] [stdout]           >>>               libunwind.o:(libunwind::UnwindCursor<libunwind::LocalAddressSpace, libunwind::Registers_x86_64>::setInfoBasedOnIPRegister(bool)) in archive /opt/rustwide/target/release/build/mini-backtrace/36ae76d0b19a97de/out/libmini_backtrace-36ae76d0b19a97de.rlib
[INFO] [stdout]           >>> referenced by libunwind.cpp
[INFO] [stdout]           >>>               libunwind.o:(libunwind::UnwindCursor<libunwind::LocalAddressSpace, libunwind::Registers_x86_64>::setInfoBasedOnIPRegister(bool)) in archive /opt/rustwide/target/release/build/mini-backtrace/36ae76d0b19a97de/out/libmini_backtrace-36ae76d0b19a97de.rlib
[INFO] [stdout]           >>> referenced by libunwind.cpp
[INFO] [stdout]           >>>               libunwind.o:(libunwind::UnwindCursor<libunwind::LocalAddressSpace, libunwind::Registers_x86_64>::setInfoBasedOnIPRegister(bool)) in archive /opt/rustwide/target/release/build/mini-backtrace/36ae76d0b19a97de/out/libmini_backtrace-36ae76d0b19a97de.rlib
[INFO] [stdout]           >>> referenced 7 more times
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: __eh_frame_hdr_end
[INFO] [stdout]           >>> referenced by libunwind.cpp
[INFO] [stdout]           >>>               libunwind.o:(libunwind::UnwindCursor<libunwind::LocalAddressSpace, libunwind::Registers_x86_64>::setInfoBasedOnIPRegister(bool)) in archive /opt/rustwide/target/release/build/mini-backtrace/36ae76d0b19a97de/out/libmini_backtrace-36ae76d0b19a97de.rlib
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mini-backtrace` (example "backtrace") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/opt/rustwide/target/release/build/mini-backtrace/1399b806a358907c/out/rustc21MuQx/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "-lllvm_libunwind" "/opt/rustwide/target/release/build/cty/bc426473929b64f1/out/libcty-bc426473929b64f1.rlib" "/opt/rustwide/target/release/build/cfg-if/193575a6b29a3ab9/out/libcfg_if-193575a6b29a3ab9.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libtest-*,libgetopts-*,librustc_std_workspace_std-*,libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,libcfg_if-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,liblibc-*,librustc_std_workspace_core-*,liballoc-*}.rlib" "/opt/rustwide/target/release/build/arrayvec/80dabb1189dee06b/out/libarrayvec-80dabb1189dee06b.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/opt/rustwide/target/release/build/mini-backtrace/1399b806a358907c/out/rustc21MuQx/raw-dylibs" "-B<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/target/release/build/mini-backtrace/adad42a9e8af0ba6/out" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/release/build/mini-backtrace/1399b806a358907c/out/mini_backtrace-1399b806a358907c" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-Wl,-O1" "-Wl,--strip-debug" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: rust-lld: error: undefined symbol: __eh_frame_end
[INFO] [stdout]           >>> referenced by libunwind.cpp
[INFO] [stdout]           >>>               libunwind.o:(libunwind::UnwindCursor<libunwind::LocalAddressSpace, libunwind::Registers_x86_64>::setInfoBasedOnIPRegister(bool)) in archive /opt/rustwide/target/release/build/mini-backtrace/adad42a9e8af0ba6/out/libllvm_libunwind.a
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: __eh_frame_start
[INFO] [stdout]           >>> referenced by libunwind.cpp
[INFO] [stdout]           >>>               libunwind.o:(libunwind::UnwindCursor<libunwind::LocalAddressSpace, libunwind::Registers_x86_64>::setInfoBasedOnIPRegister(bool)) in archive /opt/rustwide/target/release/build/mini-backtrace/adad42a9e8af0ba6/out/libllvm_libunwind.a
[INFO] [stdout]           >>> referenced by libunwind.cpp
[INFO] [stdout]           >>>               libunwind.o:(libunwind::UnwindCursor<libunwind::LocalAddressSpace, libunwind::Registers_x86_64>::setInfoBasedOnIPRegister(bool)) in archive /opt/rustwide/target/release/build/mini-backtrace/adad42a9e8af0ba6/out/libllvm_libunwind.a
[INFO] [stdout]           >>> referenced by libunwind.cpp
[INFO] [stdout]           >>>               libunwind.o:(libunwind::UnwindCursor<libunwind::LocalAddressSpace, libunwind::Registers_x86_64>::setInfoBasedOnIPRegister(bool)) in archive /opt/rustwide/target/release/build/mini-backtrace/adad42a9e8af0ba6/out/libllvm_libunwind.a
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: __eh_frame_hdr_start
[INFO] [stdout]           >>> referenced by libunwind.cpp
[INFO] [stdout]           >>>               libunwind.o:(libunwind::UnwindCursor<libunwind::LocalAddressSpace, libunwind::Registers_x86_64>::setInfoBasedOnIPRegister(bool)) in archive /opt/rustwide/target/release/build/mini-backtrace/adad42a9e8af0ba6/out/libllvm_libunwind.a
[INFO] [stdout]           >>> referenced by libunwind.cpp
[INFO] [stdout]           >>>               libunwind.o:(libunwind::UnwindCursor<libunwind::LocalAddressSpace, libunwind::Registers_x86_64>::setInfoBasedOnIPRegister(bool)) in archive /opt/rustwide/target/release/build/mini-backtrace/adad42a9e8af0ba6/out/libllvm_libunwind.a
[INFO] [stdout]           >>> referenced by libunwind.cpp
[INFO] [stdout]           >>>               libunwind.o:(libunwind::UnwindCursor<libunwind::LocalAddressSpace, libunwind::Registers_x86_64>::setInfoBasedOnIPRegister(bool)) in archive /opt/rustwide/target/release/build/mini-backtrace/adad42a9e8af0ba6/out/libllvm_libunwind.a
[INFO] [stdout]           >>> referenced 7 more times
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: __eh_frame_hdr_end
[INFO] [stdout]           >>> referenced by libunwind.cpp
[INFO] [stdout]           >>>               libunwind.o:(libunwind::UnwindCursor<libunwind::LocalAddressSpace, libunwind::Registers_x86_64>::setInfoBasedOnIPRegister(bool)) in archive /opt/rustwide/target/release/build/mini-backtrace/adad42a9e8af0ba6/out/libllvm_libunwind.a
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mini-backtrace` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "90ab6b2e6cbe0823f35400c8947294f3cdd4ad4a1cf8087bcffc59f95286d470", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90ab6b2e6cbe0823f35400c8947294f3cdd4ad4a1cf8087bcffc59f95286d470", kill_on_drop: false }`
[INFO] [stdout] 90ab6b2e6cbe0823f35400c8947294f3cdd4ad4a1cf8087bcffc59f95286d470
