[INFO] fetching crate tablegen 0.1.1...
[INFO] checking tablegen-0.1.1 against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] extracting crate tablegen 0.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate tablegen 0.1.1 on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tablegen 0.1.1
[INFO] finished tweaking crates.io crate tablegen 0.1.1
[INFO] tweaked toml for crates.io crate tablegen 0.1.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86ff7d1eb417660e6c425b4de2ba79b528deaac4adb9274d6babdf1da8cce50e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "86ff7d1eb417660e6c425b4de2ba79b528deaac4adb9274d6babdf1da8cce50e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86ff7d1eb417660e6c425b4de2ba79b528deaac4adb9274d6babdf1da8cce50e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86ff7d1eb417660e6c425b4de2ba79b528deaac4adb9274d6babdf1da8cce50e", kill_on_drop: false }`
[INFO] [stdout] 86ff7d1eb417660e6c425b4de2ba79b528deaac4adb9274d6babdf1da8cce50e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7b6c6c907d0337d1f91dba4596a452b606860d6935510b6bf178352b8049406
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e7b6c6c907d0337d1f91dba4596a452b606860d6935510b6bf178352b8049406", kill_on_drop: false }`
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]    Compiling tablegen v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `cwd`
[INFO] [stdout]   --> build.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let cwd = env::var("CARGO_MANIFEST_DIR").unwrap();
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_cwd`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `out_dir`
[INFO] [stdout]   --> build.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let out_dir = env::var("OUT_DIR").unwrap();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_out_dir`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> build.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     cfg.read_to_string(&mut lib_dir);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: failed to run custom build command for `tablegen v0.1.1 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/tablegen-e38af29f04288d30/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   running: "cmake" "/opt/rustwide/workdir/ctablegen" "-DLLVM_CONFIG_BIN=llvm-config" "-DCMAKE_INSTALL_PREFIX=/opt/rustwide/target/debug/build/tablegen-eaeb8f455e08808a/out" "-DCMAKE_C_FLAGS= -ffunction-sections -fdata-sections -fPIC -m64" "-DCMAKE_C_COMPILER=/usr/bin/cc" "-DCMAKE_CXX_FLAGS=  -ffunction-sections -fdata-sections -fPIC -m64" "-DCMAKE_CXX_COMPILER=/usr/bin/c++" "-DCMAKE_ASM_FLAGS= -ffunction-sections -fdata-sections -fPIC -m64" "-DCMAKE_ASM_COMPILER=/usr/bin/cc" "-DCMAKE_BUILD_TYPE=Debug"
[INFO] [stderr]   -- The CXX compiler identification is GNU 9.3.0
[INFO] [stderr]   -- Check for working CXX compiler: /usr/bin/c++
[INFO] [stderr]   -- Check for working CXX compiler: /usr/bin/c++ -- works
[INFO] [stderr]   -- Detecting CXX compiler ABI info
[INFO] [stderr]   -- Detecting CXX compiler ABI info - done
[INFO] [stderr]   -- Detecting CXX compile features
[INFO] [stderr]   -- Detecting CXX compile features - done
[INFO] [stderr]   -- Configuring done
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   CMake Error at src/CMakeLists.txt:9 (add_library):
[INFO] [stderr]     Cannot find source file:
[INFO] [stderr] 
[INFO] [stderr]       /opt/rustwide/workdir/ctablegen/third-party/llvm-10.0.0/lib/TableGen/Error.cpp
[INFO] [stderr] 
[INFO] [stderr]     Tried extensions .c .C .c++ .cc .cpp .cxx .cu .m .M .mm .h .hh .h++ .hm
[INFO] [stderr]     .hpp .hxx .in .txx
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   CMake Error at src/CMakeLists.txt:9 (add_library):
[INFO] [stderr]     No SOURCES given to target: ctablegen
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   CMake Generate step failed.  Build files cannot be regenerated correctly.
[INFO] [stderr]   thread 'main' panicked at '
[INFO] [stderr]   command did not execute successfully, got: exit code: 1
[INFO] [stderr] 
[INFO] [stderr]   build script failed, must exit now', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cmake-0.1.44/src/lib.rs:885:5
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55baca427360 - std::backtrace_rs::backtrace::libunwind::trace::h452faf99f32e7c93
[INFO] [stderr]                                  at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x55baca427360 - std::backtrace_rs::backtrace::trace_unsynchronized::he40edc71437667a1
[INFO] [stderr]                                  at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x55baca427360 - std::sys_common::backtrace::_print_fmt::h6c51d6ade71f46bf
[INFO] [stderr]                                  at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]      3:     0x55baca427360 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h3cd15d7003dec37a
[INFO] [stderr]                                  at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x55baca4467dc - core::fmt::write::h1857a60b204f1b6a
[INFO] [stderr]                                  at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/core/src/fmt/mod.rs:1080
[INFO] [stderr]      5:     0x55baca423d57 - std::io::Write::write_fmt::hac61caff894c35ae
[INFO] [stderr]                                  at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/std/src/io/mod.rs:1517
[INFO] [stderr]      6:     0x55baca429b10 - std::sys_common::backtrace::_print::haa2f390fb7957e3e
[INFO] [stderr]                                  at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x55baca429b10 - std::sys_common::backtrace::print::h48c7cbbad9013bb1
[INFO] [stderr]                                  at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x55baca429b10 - std::panicking::default_hook::{{closure}}::h8b7ff05a31e71d55
[INFO] [stderr]                                  at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/std/src/panicking.rs:208
[INFO] [stderr]      9:     0x55baca42985c - std::panicking::default_hook::h2f00c78800d98e4c
[INFO] [stderr]                                  at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/std/src/panicking.rs:227
[INFO] [stderr]     10:     0x55baca42a173 - std::panicking::rust_panic_with_hook::h4eaa635e4694aef3
[INFO] [stderr]                                  at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/std/src/panicking.rs:577
[INFO] [stderr]     11:     0x55baca429d49 - std::panicking::begin_panic_handler::{{closure}}::hec242f1b136b5ff2
[INFO] [stderr]                                  at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/std/src/panicking.rs:484
[INFO] [stderr]     12:     0x55baca4277cc - std::sys_common::backtrace::__rust_end_short_backtrace::h1f3cc383ee6c0374
[INFO] [stderr]                                  at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]     13:     0x55baca429d09 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/std/src/panicking.rs:483
[INFO] [stderr]     14:     0x55baca429cbb - std::panicking::begin_panic_fmt::hebfdcd945bbd27b1
[INFO] [stderr]                                  at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/std/src/panicking.rs:437
[INFO] [stderr]     15:     0x55baca3b4727 - cmake::fail::h5ac34a445f962f17
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cmake-0.1.44/src/lib.rs:885
[INFO] [stderr]     16:     0x55baca3b406c - cmake::run::hdae76e59475531dd
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cmake-0.1.44/src/lib.rs:863
[INFO] [stderr]     17:     0x55baca3afadd - cmake::Config::build::h1f94ac9664857d70
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cmake-0.1.44/src/lib.rs:698
[INFO] [stderr]     18:     0x55baca3a7444 - build_script_build::main::h9b53dbedf51a28ab
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:31
[INFO] [stderr]     19:     0x55baca3a963b - core::ops::function::FnOnce::call_once::ha95b979d1b6618af
[INFO] [stderr]                                  at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/core/src/ops/function.rs:227
[INFO] [stderr]     20:     0x55baca3a8cce - std::sys_common::backtrace::__rust_begin_short_backtrace::h0d1eb02437410c2e
[INFO] [stderr]                                  at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]     21:     0x55baca3a9521 - std::rt::lang_start::{{closure}}::h7ce20cd4b22861ee
[INFO] [stderr]                                  at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/std/src/rt.rs:66
[INFO] [stderr]     22:     0x55baca42a571 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hecc21eb9018cc197
[INFO] [stderr]                                  at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/core/src/ops/function.rs:259
[INFO] [stderr]     23:     0x55baca42a571 - std::panicking::try::do_call::h174ad655d084b5c7
[INFO] [stderr]                                  at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/std/src/panicking.rs:381
[INFO] [stderr]     24:     0x55baca42a571 - std::panicking::try::h479e6054ce28de10
[INFO] [stderr]                                  at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/std/src/panicking.rs:345
[INFO] [stderr]     25:     0x55baca42a571 - std::panic::catch_unwind::hb558ddea2b3e9c45
[INFO] [stderr]                                  at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/std/src/panic.rs:382
[INFO] [stderr]     26:     0x55baca42a571 - std::rt::lang_start_internal::h163149047f0a8b61
[INFO] [stderr]                                  at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/std/src/rt.rs:51
[INFO] [stderr]     27:     0x55baca3a94f7 - std::rt::lang_start::h9322fcdf2389aba7
[INFO] [stderr]                                  at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/std/src/rt.rs:65
[INFO] [stderr]     28:     0x55baca3a7fda - main
[INFO] [stderr]     29:     0x7fa947b650b3 - __libc_start_main
[INFO] [stderr]     30:     0x55baca3a70ce - _start
[INFO] [stderr]     31:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "e7b6c6c907d0337d1f91dba4596a452b606860d6935510b6bf178352b8049406", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7b6c6c907d0337d1f91dba4596a452b606860d6935510b6bf178352b8049406", kill_on_drop: false }`
[INFO] [stdout] e7b6c6c907d0337d1f91dba4596a452b606860d6935510b6bf178352b8049406
