[INFO] fetching crate n3-core 0.2.0...
[INFO] testing n3-core-0.2.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate n3-core 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate n3-core 0.2.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate n3-core 0.2.0
[INFO] finished tweaking crates.io crate n3-core 0.2.0
[INFO] tweaked toml for crates.io crate n3-core 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded include_dir_impl v0.6.2
[INFO] [stderr]   Downloaded generator v0.6.25
[INFO] [stderr]   Downloaded include_dir v0.6.2
[INFO] [stderr]   Downloaded n3-parser v0.3.5
[INFO] [stderr]   Downloaded symengine-sys v0.1.0+1
[INFO] [stderr]   Downloaded symengine v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8843233021d5dab29a1b793b46e5363328b5bb12e4b6bbab4139d884bd32e1c5
[INFO] running `Command { std: "docker" "start" "-a" "8843233021d5dab29a1b793b46e5363328b5bb12e4b6bbab4139d884bd32e1c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8843233021d5dab29a1b793b46e5363328b5bb12e4b6bbab4139d884bd32e1c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8843233021d5dab29a1b793b46e5363328b5bb12e4b6bbab4139d884bd32e1c5", kill_on_drop: false }`
[INFO] [stdout] 8843233021d5dab29a1b793b46e5363328b5bb12e4b6bbab4139d884bd32e1c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68e65dadd44f9f1941c140a579223bfa0acf96b1c6636552a593c916e8fa7393
[INFO] running `Command { std: "docker" "start" "-a" "68e65dadd44f9f1941c140a579223bfa0acf96b1c6636552a593c916e8fa7393", kill_on_drop: false }`
[INFO] [stderr]    Compiling bindgen v0.53.3
[INFO] [stderr]    Compiling siphasher v0.3.7
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]    Compiling unic-common v0.9.0
[INFO] [stderr]    Compiling pico-args v0.4.2
[INFO] [stderr]    Compiling unic-char-range v0.9.0
[INFO] [stderr]    Compiling wtf8 v0.0.3
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling lalrpop-util v0.19.6
[INFO] [stderr]    Compiling unic-ucd-version v0.9.0
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling unic-char-property v0.9.0
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling string_cache v0.8.1
[INFO] [stderr]    Compiling unic-ucd-ident v0.9.0
[INFO] [stderr]    Compiling unic-emoji-char v0.9.0
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
[INFO] [stderr]    Compiling generator v0.6.25
[INFO] [stderr]    Compiling lalrpop v0.19.6
[INFO] [stderr]    Compiling symengine-sys v0.1.0+1
[INFO] [stderr] error: failed to run custom build command for `symengine-sys v0.1.0+1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/symengine-sys-03973e27beb31835/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rustc-link-lib=symengine
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   wrapper.h:1:10: fatal error: 'symengine/cwrapper.h' file not found
[INFO] [stderr]   wrapper.h:1:10: fatal error: 'symengine/cwrapper.h' file not found, err: true
[INFO] [stderr]   thread 'main' panicked at 'Unable to generate bindings: ()', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/symengine-sys-0.1.0+1/build.rs:9:10
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55602993344c - std::backtrace_rs::backtrace::libunwind::trace::h51faa62df48810e4
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55602993344c - std::backtrace_rs::backtrace::trace_unsynchronized::h91de4d8e16d607e4
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55602993344c - std::sys_common::backtrace::_print_fmt::h71b0935f97e4322c
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55602993344c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h9a78218788c14e18
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x5560299588ac - core::fmt::write::h3381b3176fe2b3d3
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/fmt/mod.rs:1150:17
[INFO] [stderr]      5:     0x556029930145 - std::io::Write::write_fmt::h1d5220480c7a2437
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/io/mod.rs:1667:15
[INFO] [stderr]      6:     0x5560299351c0 - std::sys_common::backtrace::_print::h4b77abc4d907ed0e
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x5560299351c0 - std::sys_common::backtrace::print::hb170c60b542377ad
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x5560299351c0 - std::panicking::default_hook::{{closure}}::h12bbda9af8901ee3
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:210:50
[INFO] [stderr]      9:     0x556029934d77 - std::panicking::default_hook::h8c6c66d3f3ba6768
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:227:9
[INFO] [stderr]     10:     0x556029935874 - std::panicking::rust_panic_with_hook::h36f2fa0bb09f4069
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:624:17
[INFO] [stderr]     11:     0x556029935350 - std::panicking::begin_panic_handler::{{closure}}::h9c42b65a42d06a7a
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:521:13
[INFO] [stderr]     12:     0x556029933914 - std::sys_common::backtrace::__rust_end_short_backtrace::hc791bddfe31e532c
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x5560299352b9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:517:5
[INFO] [stderr]     14:     0x556029447901 - core::panicking::panic_fmt::hf9de31d4acbce4db
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panicking.rs:101:14
[INFO] [stderr]     15:     0x5560294479f3 - core::result::unwrap_failed::ha0c84e81219e5878
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/result.rs:1617:5
[INFO] [stderr]     16:     0x556029448d75 - core::result::Result<T,E>::expect::h45e402a46b8a249b
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/result.rs:1259:23
[INFO] [stderr]     17:     0x55602944a2c2 - build_script_build::main::h0386c06f62624385
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/symengine-sys-0.1.0+1/build.rs:6:20
[INFO] [stderr]     18:     0x556029448ffb - core::ops::function::FnOnce::call_once::hce89db7b486a334f
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x556029448dde - std::sys_common::backtrace::__rust_begin_short_backtrace::hc814bf424aab9b6f
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x55602944a4e1 - std::rt::lang_start::{{closure}}::h944f143e0cb1a63f
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/rt.rs:63:18
[INFO] [stderr]     21:     0x556029935e7a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hc590b210ed55e22f
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x556029935e7a - std::panicking::try::do_call::h5f0600b7a33ea1af
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40
[INFO] [stderr]     23:     0x556029935e7a - std::panicking::try::he15826df0f376a33
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19
[INFO] [stderr]     24:     0x556029935e7a - std::panic::catch_unwind::hd8af3a578b6b4c86
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14
[INFO] [stderr]     25:     0x556029935e7a - std::rt::lang_start_internal::{{closure}}::h301d1329324ae1f0
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/rt.rs:45:48
[INFO] [stderr]     26:     0x556029935e7a - std::panicking::try::do_call::h941e8fdb0bd03655
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40
[INFO] [stderr]     27:     0x556029935e7a - std::panicking::try::ha20a77bf65530f63
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19
[INFO] [stderr]     28:     0x556029935e7a - std::panic::catch_unwind::h33afc061cc69ef90
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14
[INFO] [stderr]     29:     0x556029935e7a - std::rt::lang_start_internal::hc05c244593147106
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/rt.rs:45:20
[INFO] [stderr]     30:     0x55602944a4b0 - std::rt::lang_start::hc279d3443f6c1388
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/rt.rs:62:5
[INFO] [stderr]     31:     0x55602944a47c - main
[INFO] [stderr]     32:     0x7f84f936a0b3 - __libc_start_main
[INFO] [stderr]     33:     0x5560294480fe - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "68e65dadd44f9f1941c140a579223bfa0acf96b1c6636552a593c916e8fa7393", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68e65dadd44f9f1941c140a579223bfa0acf96b1c6636552a593c916e8fa7393", kill_on_drop: false }`
[INFO] [stdout] 68e65dadd44f9f1941c140a579223bfa0acf96b1c6636552a593c916e8fa7393