[INFO] fetching crate tablegen 0.1.1...
[INFO] building tablegen-0.1.1 against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[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 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b2f30f030a9e606de15419d07a21606895713d4b51bb05ef55b298f1e4e7b49
[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" "7b2f30f030a9e606de15419d07a21606895713d4b51bb05ef55b298f1e4e7b49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b2f30f030a9e606de15419d07a21606895713d4b51bb05ef55b298f1e4e7b49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b2f30f030a9e606de15419d07a21606895713d4b51bb05ef55b298f1e4e7b49", kill_on_drop: false }`
[INFO] [stdout] 7b2f30f030a9e606de15419d07a21606895713d4b51bb05ef55b298f1e4e7b49
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 47b40adbf748d278696ac5dd90942ab8e2aa651e942bf68d1a4fbb608387bf23
[INFO] running `Command { std: "docker" "start" "-a" "47b40adbf748d278696ac5dd90942ab8e2aa651e942bf68d1a4fbb608387bf23", kill_on_drop: false }`
[INFO] [stderr]    Compiling cmake v0.1.45
[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 `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-c013dd2f2c6e6f36/build-script-build` (exit status: 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-c08e53034d9da29f/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 status: 1
[INFO] [stderr] 
[INFO] [stderr]   build script failed, must exit now', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cmake-0.1.45/src/lib.rs:894:5
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x56450b026ce0 - std::backtrace_rs::backtrace::libunwind::trace::hdcf4f90f85129e83
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x56450b026ce0 - std::backtrace_rs::backtrace::trace_unsynchronized::h2669e30cb82f6732
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x56450b026ce0 - std::sys_common::backtrace::_print_fmt::hfbda19e17f6db318
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x56450b026ce0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1a8751bf59281272
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x56450b04716f - core::fmt::write::h7aa6cd0067dca82a
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/core/src/fmt/mod.rs:1094:17
[INFO] [stderr]      5:     0x56450b023a15 - std::io::Write::write_fmt::hd7dd3a1df9b6befb
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/io/mod.rs:1584:15
[INFO] [stderr]      6:     0x56450b02932b - std::sys_common::backtrace::_print::h551e9ec8a9fa8106
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x56450b02932b - std::sys_common::backtrace::print::ha4b1c5e95fa040b3
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x56450b02932b - std::panicking::default_hook::{{closure}}::h0b34c9ab7fb9f857
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x56450b028e0d - std::panicking::default_hook::h3067e8318decd17a
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x56450b0298dd - std::panicking::rust_panic_with_hook::h81b8facc50f34daa
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x56450b0294d7 - std::panicking::begin_panic_handler::{{closure}}::ha376ab85d95a000e
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/panicking.rs:497:13
[INFO] [stderr]     12:     0x56450b02719c - std::sys_common::backtrace::__rust_end_short_backtrace::h6795c8afdd1a77e6
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x56450b029439 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x56450afa4b9b - std::panicking::begin_panic_fmt::hf43a0025042538e2
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/panicking.rs:435:5
[INFO] [stderr]     15:     0x56450afb2dc3 - cmake::fail::h2ddf44b1720abb19
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cmake-0.1.45/src/lib.rs:894:5
[INFO] [stderr]     16:     0x56450afb2722 - cmake::run::hb7c356f0ec84c091
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cmake-0.1.45/src/lib.rs:872:9
[INFO] [stderr]     17:     0x56450afae9dc - cmake::Config::build::hd786327d906d1c61
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cmake-0.1.45/src/lib.rs:707:13
[INFO] [stderr]     18:     0x56450afa921f - build_script_build::main::h0c061f631acf6c40
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:31:15
[INFO] [stderr]     19:     0x56450afa76db - core::ops::function::FnOnce::call_once::hfa0ae019aba5c1d9
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     20:     0x56450afa75be - std::sys_common::backtrace::__rust_begin_short_backtrace::hb3cdddb2a26868af
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     21:     0x56450afaa9d1 - std::rt::lang_start::{{closure}}::h2b5926b0ecd2da1e
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/rt.rs:49:18
[INFO] [stderr]     22:     0x56450b029cda - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h3b8c329143d7638a
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     23:     0x56450b029cda - std::panicking::try::do_call::h4b72c261b4eefc1b
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/panicking.rs:379:40
[INFO] [stderr]     24:     0x56450b029cda - std::panicking::try::h703d31b7896cbd49
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/panicking.rs:343:19
[INFO] [stderr]     25:     0x56450b029cda - std::panic::catch_unwind::h37cad9b35388a915
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/panic.rs:431:14
[INFO] [stderr]     26:     0x56450b029cda - std::rt::lang_start_internal::hab5a8a909af4f90e
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/rt.rs:34:21
[INFO] [stderr]     27:     0x56450afaa9b0 - std::rt::lang_start::h474f72ba35f71aa3
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/rt.rs:48:5
[INFO] [stderr]     28:     0x56450afa9dbc - main
[INFO] [stderr]     29:     0x7f8b721910b3 - __libc_start_main
[INFO] [stderr]     30:     0x56450afa59ce - _start
[INFO] [stderr]     31:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "47b40adbf748d278696ac5dd90942ab8e2aa651e942bf68d1a4fbb608387bf23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47b40adbf748d278696ac5dd90942ab8e2aa651e942bf68d1a4fbb608387bf23", kill_on_drop: false }`
[INFO] [stdout] 47b40adbf748d278696ac5dd90942ab8e2aa651e942bf68d1a4fbb608387bf23
