[INFO] fetching crate mun_compiler 0.3.0...
[INFO] checking mun_compiler-0.3.0 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate mun_compiler 0.3.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate mun_compiler 0.3.0 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mun_compiler 0.3.0
[INFO] finished tweaking crates.io crate mun_compiler 0.3.0
[INFO] tweaked toml for crates.io crate mun_compiler 0.3.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a53ca22f4d258d5d9be3deee4e0cfc950ff532ca6fb43610e352cae13190ef24
[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" "a53ca22f4d258d5d9be3deee4e0cfc950ff532ca6fb43610e352cae13190ef24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a53ca22f4d258d5d9be3deee4e0cfc950ff532ca6fb43610e352cae13190ef24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a53ca22f4d258d5d9be3deee4e0cfc950ff532ca6fb43610e352cae13190ef24", kill_on_drop: false }`
[INFO] [stdout] a53ca22f4d258d5d9be3deee4e0cfc950ff532ca6fb43610e352cae13190ef24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--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] 21d4d24dcfc683abef6f9f91b6d89c8578d7b5505c9be7972f71b88a8a15d7bf
[INFO] running `Command { std: "docker" "start" "-a" "21d4d24dcfc683abef6f9f91b6d89c8578d7b5505c9be7972f71b88a8a15d7bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling inkwell v0.1.0-beta.2
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking by_address v1.0.4
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking yansi-term v0.1.2
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking bytemuck v1.5.1
[INFO] [stderr]     Checking md5 v0.6.1
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking memchr v2.4.0
[INFO] [stderr]     Checking lockfile v0.2.2
[INFO] [stderr]    Compiling llvm-sys v110.0.1
[INFO] [stderr]    Compiling mun_lld v110.0.0
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking annotate-snippets v0.9.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr] error: failed to run custom build command for `mun_lld v110.0.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/mun_lld-27a2572312456b47/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   Found LLVM version 10.0.0 on PATH, but need 11.0.0.
[INFO] [stderr]   Didn't find usable system-wide LLVM.
[INFO] [stderr]   No suitable version of LLVM was found system-wide or pointed
[INFO] [stderr]                     to by LLVM_SYS_110_PREFIX.
[INFO] [stderr] 
[INFO] [stderr]                     Consider using `llvmenv` to compile an appropriate copy of LLVM, and
[INFO] [stderr]                     refer to the llvm-sys documentation for more information.
[INFO] [stderr] 
[INFO] [stderr]                     llvm-sys: https://crates.io/crates/llvm-sys
[INFO] [stderr]                     llvmenv: https://crates.io/crates/llvmenv
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'Could not find a compatible version of LLVM', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mun_lld-110.0.0/build.rs:73:9
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55e82d8e8460 - std::backtrace_rs::backtrace::libunwind::trace::hdcf4f90f85129e83
[INFO] [stderr]                                  at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55e82d8e8460 - std::backtrace_rs::backtrace::trace_unsynchronized::h2669e30cb82f6732
[INFO] [stderr]                                  at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55e82d8e8460 - std::sys_common::backtrace::_print_fmt::hfbda19e17f6db318
[INFO] [stderr]                                  at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55e82d8e8460 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1a8751bf59281272
[INFO] [stderr]                                  at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55e82d90833f - core::fmt::write::h7aa6cd0067dca82a
[INFO] [stderr]                                  at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/core/src/fmt/mod.rs:1094:17
[INFO] [stderr]      5:     0x55e82d8e4dd5 - std::io::Write::write_fmt::hd7dd3a1df9b6befb
[INFO] [stderr]                                  at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/io/mod.rs:1584:15
[INFO] [stderr]      6:     0x55e82d8ea66b - std::sys_common::backtrace::_print::h551e9ec8a9fa8106
[INFO] [stderr]                                  at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55e82d8ea66b - std::sys_common::backtrace::print::ha4b1c5e95fa040b3
[INFO] [stderr]                                  at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55e82d8ea66b - std::panicking::default_hook::{{closure}}::h0b34c9ab7fb9f857
[INFO] [stderr]                                  at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55e82d8ea14d - std::panicking::default_hook::h3067e8318decd17a
[INFO] [stderr]                                  at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x55e82d8eac1d - std::panicking::rust_panic_with_hook::h81b8facc50f34daa
[INFO] [stderr]                                  at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x55e82d8a6243 - std::panicking::begin_panic::{{closure}}::h8a297695dc8a3efc
[INFO] [stderr]                                  at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/panicking.rs:520:9
[INFO] [stderr]     12:     0x55e82d88cae9 - std::sys_common::backtrace::__rust_end_short_backtrace::h563247a5d66c12a7
[INFO] [stderr]                                  at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55e82d8a6179 - std::panicking::begin_panic::h4e385cf025b2d65e
[INFO] [stderr]                                  at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/panicking.rs:519:12
[INFO] [stderr]     14:     0x55e82d69218e - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__static_ref_initialize::hd3c26f6116b6d7d6
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mun_lld-110.0.0/build.rs:73:9
[INFO] [stderr]     15:     0x55e82d69218e - core::ops::function::FnOnce::call_once::hbaf5821f7a3d7323
[INFO] [stderr]                                  at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     16:     0x55e82d69407b - lazy_static::lazy::Lazy<T>::get::{{closure}}::hd35992d176a924d4
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/inline_lazy.rs:31:29
[INFO] [stderr]     17:     0x55e82d69c55b - std::sync::once::Once::call_once::{{closure}}::h1cd01f17337c854e
[INFO] [stderr]                                  at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/sync/once.rs:261:41
[INFO] [stderr]     18:     0x55e82d68a82c - std::sync::once::Once::call_inner::hcf7ef963f95f83ca
[INFO] [stderr]                                  at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/sync/once.rs:418:21
[INFO] [stderr]     19:     0x55e82d69c34f - std::sync::once::Once::call_once::h91ed77fb57ca009c
[INFO] [stderr]                                  at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/sync/once.rs:261:9
[INFO] [stderr]     20:     0x55e82d691182 - lazy_static::lazy::Lazy<T>::get::hc52887f4c7967386
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/inline_lazy.rs:30:9
[INFO] [stderr]     21:     0x55e82d691182 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__stability::h9fe663799bcbea32
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/lib.rs:142:21
[INFO] [stderr]     22:     0x55e82d691182 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::h0ce88cc8b95f591e
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/lib.rs:144:17
[INFO] [stderr]     23:     0x55e82d68e95d - build_script_build::llvm_config::h74eebbbca6826861
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mun_lld-110.0.0/build.rs:179:21
[INFO] [stderr]     24:     0x55e82d68fdb7 - build_script_build::get_llvm_cxxflags::h388f9eeb952034c4
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mun_lld-110.0.0/build.rs:286:18
[INFO] [stderr]     25:     0x55e82d69019c - build_script_build::main::h108c1950f6227182
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mun_lld-110.0.0/build.rs:319:35
[INFO] [stderr]     26:     0x55e82d69241b - core::ops::function::FnOnce::call_once::hf3bdc571a70f9612
[INFO] [stderr]                                  at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     27:     0x55e82d69138e - std::sys_common::backtrace::__rust_begin_short_backtrace::hbc0c76cbf2e43ebb
[INFO] [stderr]                                  at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     28:     0x55e82d69b0a1 - std::rt::lang_start::{{closure}}::h42cf0b9a907ef1df
[INFO] [stderr]                                  at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/rt.rs:49:18
[INFO] [stderr]     29:     0x55e82d8eb01a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h3b8c329143d7638a
[INFO] [stderr]                                  at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     30:     0x55e82d8eb01a - std::panicking::try::do_call::h4b72c261b4eefc1b
[INFO] [stderr]                                  at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/panicking.rs:379:40
[INFO] [stderr]     31:     0x55e82d8eb01a - std::panicking::try::h703d31b7896cbd49
[INFO] [stderr]                                  at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/panicking.rs:343:19
[INFO] [stderr]     32:     0x55e82d8eb01a - std::panic::catch_unwind::h37cad9b35388a915
[INFO] [stderr]                                  at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/panic.rs:431:14
[INFO] [stderr]     33:     0x55e82d8eb01a - std::rt::lang_start_internal::hab5a8a909af4f90e
[INFO] [stderr]                                  at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/rt.rs:34:21
[INFO] [stderr]     34:     0x55e82d69b080 - std::rt::lang_start::h386954797d830bf7
[INFO] [stderr]                                  at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/rt.rs:48:5
[INFO] [stderr]     35:     0x55e82d6912dc - main
[INFO] [stderr]     36:     0x7febc9b8e0b3 - __libc_start_main
[INFO] [stderr]     37:     0x55e82d68bdce - _start
[INFO] [stderr]     38:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "21d4d24dcfc683abef6f9f91b6d89c8578d7b5505c9be7972f71b88a8a15d7bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21d4d24dcfc683abef6f9f91b6d89c8578d7b5505c9be7972f71b88a8a15d7bf", kill_on_drop: false }`
[INFO] [stdout] 21d4d24dcfc683abef6f9f91b6d89c8578d7b5505c9be7972f71b88a8a15d7bf