[INFO] fetching crate yair 0.1.0...
[INFO] checking yair-0.1.0 against master#9610dfe5a9a731ced1ea4923ecbd0c57fe367898 for beta-170-4
[INFO] extracting crate yair 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate yair 0.1.0 on toolchain 9610dfe5a9a731ced1ea4923ecbd0c57fe367898
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yair 0.1.0
[INFO] finished tweaking crates.io crate yair 0.1.0
[INFO] tweaked toml for crates.io crate yair 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate yair 0.1.0 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" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded enumset_derive v0.5.4
[INFO] [stderr]   Downloaded enumset v1.0.6
[INFO] [stderr]   Downloaded duct v0.13.4
[INFO] [stderr]   Downloaded codespan-reporting v0.7.0
[INFO] [stderr]   Downloaded codespan v0.7.0
[INFO] [stderr]   Downloaded envcache v0.1.3
[INFO] [stderr]   Downloaded rmp-serde v0.15.1
[INFO] [stderr]   Downloaded lit v1.0.3
[INFO] [stderr]   Downloaded generational-arena v0.2.7
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] abe4fee631591a14406b604596cb5792088c16c982fe4216fa72fea360d84dcd
[INFO] running `Command { std: "docker" "start" "-a" "abe4fee631591a14406b604596cb5792088c16c982fe4216fa72fea360d84dcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abe4fee631591a14406b604596cb5792088c16c982fe4216fa72fea360d84dcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abe4fee631591a14406b604596cb5792088c16c982fe4216fa72fea360d84dcd", kill_on_drop: false }`
[INFO] [stdout] abe4fee631591a14406b604596cb5792088c16c982fe4216fa72fea360d84dcd
[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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc07780a8841a9af7db71bb426deb4570ab933bb1819272a7e58697262b56df2
[INFO] running `Command { std: "docker" "start" "-a" "bc07780a8841a9af7db71bb426deb4570ab933bb1819272a7e58697262b56df2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling envcache v0.1.3
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling yair v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking os_pipe v0.9.2
[INFO] [stderr]     Checking shared_child v0.3.4
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking rmp v0.8.8
[INFO] [stderr]     Checking codespan v0.7.0
[INFO] [stderr] error: failed to run custom build command for `yair v0.1.0 (/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/yair-d92de98187042573/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'Required environment variable 'YAIR_LLVM_INSTALL_DIR' was not set!', build.rs:18:10
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5585263c14d1 - std::backtrace_rs::backtrace::libunwind::trace::h036e87df56fc4b9d
[INFO] [stderr]                                  at /rustc/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]      1:     0x5585263c14d1 - std::backtrace_rs::backtrace::trace_unsynchronized::hd61eb2dbd6ae476a
[INFO] [stderr]                                  at /rustc/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5585263c14d1 - std::sys_common::backtrace::_print_fmt::h00c50d0875db23c9
[INFO] [stderr]                                  at /rustc/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/library/std/src/sys_common/backtrace.rs:65:5
[INFO] [stderr]      3:     0x5585263c14d1 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h63195ab2dde77ccc
[INFO] [stderr]                                  at /rustc/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x5585263dd58f - core::fmt::rt::Argument::fmt::h83f4110348c688f4
[INFO] [stderr]                                  at /rustc/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/library/core/src/fmt/rt.rs:138:9
[INFO] [stderr]      5:     0x5585263dd58f - core::fmt::write::h509367dd365f983a
[INFO] [stderr]                                  at /rustc/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/library/core/src/fmt/mod.rs:1094:21
[INFO] [stderr]      6:     0x5585263bf4d1 - std::io::Write::write_fmt::h8e60bfebdaabfee5
[INFO] [stderr]                                  at /rustc/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/library/std/src/io/mod.rs:1713:15
[INFO] [stderr]      7:     0x5585263c12e5 - std::sys_common::backtrace::_print::h96e550016098cde6
[INFO] [stderr]                                  at /rustc/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x5585263c12e5 - std::sys_common::backtrace::print::h7a049611b153a02e
[INFO] [stderr]                                  at /rustc/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x5585263c2667 - std::panicking::default_hook::{{closure}}::h1b023d46676794c4
[INFO] [stderr]     10:     0x5585263c2454 - std::panicking::default_hook::hea2961dabcf68e83
[INFO] [stderr]                                  at /rustc/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/library/std/src/panicking.rs:288:9
[INFO] [stderr]     11:     0x5585263c2b1c - std::panicking::rust_panic_with_hook::h4285c91a8168b001
[INFO] [stderr]                                  at /rustc/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/library/std/src/panicking.rs:705:13
[INFO] [stderr]     12:     0x5585263c2a17 - std::panicking::begin_panic_handler::{{closure}}::h6ebd0d46f0c6b010
[INFO] [stderr]                                  at /rustc/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/library/std/src/panicking.rs:597:13
[INFO] [stderr]     13:     0x5585263c1906 - std::sys_common::backtrace::__rust_end_short_backtrace::h92042d128576b63a
[INFO] [stderr]                                  at /rustc/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/library/std/src/sys_common/backtrace.rs:151:18
[INFO] [stderr]     14:     0x5585263c2762 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/library/std/src/panicking.rs:593:5
[INFO] [stderr]     15:     0x55852639b1f3 - core::panicking::panic_fmt::h65404fc8061ee73a
[INFO] [stderr]                                  at /rustc/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/library/core/src/panicking.rs:67:14
[INFO] [stderr]     16:     0x55852639b1b3 - core::panicking::panic_display::h5f56dbe39922d9d5
[INFO] [stderr]                                  at /rustc/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/library/core/src/panicking.rs:150:5
[INFO] [stderr]     17:     0x55852639b1b3 - core::panicking::panic_str::h5e2f01757f36241e
[INFO] [stderr]                                  at /rustc/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/library/core/src/panicking.rs:134:5
[INFO] [stderr]     18:     0x55852639b1b3 - core::option::expect_failed::hff855fd2ff5f8ef6
[INFO] [stderr]                                  at /rustc/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/library/core/src/option.rs:1932:5
[INFO] [stderr]     19:     0x55852639bb9d - core::option::Option<T>::expect::h2163de9e211257e8
[INFO] [stderr]     20:     0x55852639bc9d - build_script_build::link_in_llvm::h09bcc187a66d9da3
[INFO] [stderr]     21:     0x55852639c596 - build_script_build::main::ha382d4be754213d2
[INFO] [stderr]     22:     0x55852639bad3 - core::ops::function::FnOnce::call_once::hd83910b9449e11f9
[INFO] [stderr]     23:     0x55852639ba76 - std::sys_common::backtrace::__rust_begin_short_backtrace::hd85cc3c418716c23
[INFO] [stderr]     24:     0x55852639c7c9 - std::rt::lang_start::{{closure}}::hc9e3271d5bda3ad5
[INFO] [stderr]     25:     0x5585263bc505 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h49ef85a8a8d45198
[INFO] [stderr]                                  at /rustc/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     26:     0x5585263bc505 - std::panicking::try::do_call::ha1def14af693a135
[INFO] [stderr]                                  at /rustc/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/library/std/src/panicking.rs:500:40
[INFO] [stderr]     27:     0x5585263bc505 - std::panicking::try::haa3dc2a1139932e2
[INFO] [stderr]                                  at /rustc/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/library/std/src/panicking.rs:464:19
[INFO] [stderr]     28:     0x5585263bc505 - std::panic::catch_unwind::h9d9cbebaf9f15c67
[INFO] [stderr]                                  at /rustc/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/library/std/src/panic.rs:142:14
[INFO] [stderr]     29:     0x5585263bc505 - std::rt::lang_start_internal::{{closure}}::hf660a772669a69cc
[INFO] [stderr]                                  at /rustc/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/library/std/src/rt.rs:148:48
[INFO] [stderr]     30:     0x5585263bc505 - std::panicking::try::do_call::hb1c34715bb9b1c46
[INFO] [stderr]                                  at /rustc/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/library/std/src/panicking.rs:500:40
[INFO] [stderr]     31:     0x5585263bc505 - std::panicking::try::h499866fd990da8f1
[INFO] [stderr]                                  at /rustc/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/library/std/src/panicking.rs:464:19
[INFO] [stderr]     32:     0x5585263bc505 - std::panic::catch_unwind::hac1ffec55b72e7bc
[INFO] [stderr]                                  at /rustc/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/library/std/src/panic.rs:142:14
[INFO] [stderr]     33:     0x5585263bc505 - std::rt::lang_start_internal::h0fecf91cd579e7b6
[INFO] [stderr]                                  at /rustc/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/library/std/src/rt.rs:148:20
[INFO] [stderr]     34:     0x55852639c7a7 - std::rt::lang_start::h4855eceeddb4e808
[INFO] [stderr]     35:     0x55852639c5b5 - main
[INFO] [stderr]     36:     0x7f6e0de9dd90 - <unknown>
[INFO] [stderr]     37:     0x7f6e0de9de40 - __libc_start_main
[INFO] [stderr]     38:     0x55852639b855 - _start
[INFO] [stderr]     39:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "bc07780a8841a9af7db71bb426deb4570ab933bb1819272a7e58697262b56df2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc07780a8841a9af7db71bb426deb4570ab933bb1819272a7e58697262b56df2", kill_on_drop: false }`
[INFO] [stdout] bc07780a8841a9af7db71bb426deb4570ab933bb1819272a7e58697262b56df2
