[INFO] cloning repository https://github.com/dropbox/fast_rsync [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dropbox/fast_rsync" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdropbox%2Ffast_rsync", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdropbox%2Ffast_rsync'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c011a8d6b8b4eb6041d5f6a8440105288c8fe6a1 [INFO] testing dropbox/fast_rsync against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdropbox%2Ffast_rsync" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dropbox/fast_rsync on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-6/source/rust-toolchain [INFO] started tweaking git repo https://github.com/dropbox/fast_rsync [INFO] finished tweaking git repo https://github.com/dropbox/fast_rsync [INFO] tweaked toml for git repo https://github.com/dropbox/fast_rsync written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/dropbox/fast_rsync already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d98ad49f04acdecf0a6f4d7e392bae43d193d64275fe3e3576a2c6f5d07032ff [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" "d98ad49f04acdecf0a6f4d7e392bae43d193d64275fe3e3576a2c6f5d07032ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d98ad49f04acdecf0a6f4d7e392bae43d193d64275fe3e3576a2c6f5d07032ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d98ad49f04acdecf0a6f4d7e392bae43d193d64275fe3e3576a2c6f5d07032ff", kill_on_drop: false }` [INFO] [stdout] d98ad49f04acdecf0a6f4d7e392bae43d193d64275fe3e3576a2c6f5d07032ff [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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e7c3e8b258e9b9e724e6420c2a1aadb40d13d8b72e6856b5a203ee756ab2fc0a [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" "e7c3e8b258e9b9e724e6420c2a1aadb40d13d8b72e6856b5a203ee756ab2fc0a", kill_on_drop: false }` [INFO] [stderr] Compiling libm v0.1.4 [INFO] [stderr] Compiling packed_simd_2 v0.3.5 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling arrayref v0.3.6 [INFO] [stderr] Compiling fast_rsync v0.1.4-alpha.0 (/opt/rustwide/workdir) [INFO] [stdout] error: internal compiler error: /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/compiler/rustc_middle/src/ty/consts.rs:195:32: expected bits of [u32; 4], got Const { [INFO] [stdout] ty: [u32; 4], [INFO] [stdout] val: Value( [INFO] [stdout] ByRef { [INFO] [stdout] alloc: Allocation { [INFO] [stdout] bytes: [ [INFO] [stdout] 0, [INFO] [stdout] 0, [INFO] [stdout] 0, [INFO] [stdout] 0, [INFO] [stdout] 4, [INFO] [stdout] 0, [INFO] [stdout] 0, [INFO] [stdout] 0, [INFO] [stdout] 1, [INFO] [stdout] 0, [INFO] [stdout] 0, [INFO] [stdout] 0, [INFO] [stdout] 5, [INFO] [stdout] 0, [INFO] [stdout] 0, [INFO] [stdout] 0, [INFO] [stdout] ], [INFO] [stdout] relocations: Relocations( [INFO] [stdout] SortedMap { [INFO] [stdout] data: [], [INFO] [stdout] }, [INFO] [stdout] ), [INFO] [stdout] init_mask: InitMask { [INFO] [stdout] blocks: [ [INFO] [stdout] 65535, [INFO] [stdout] ], [INFO] [stdout] len: Size { [INFO] [stdout] raw: 16, [INFO] [stdout] }, [INFO] [stdout] }, [INFO] [stdout] align: Align { [INFO] [stdout] pow2: 2, [INFO] [stdout] }, [INFO] [stdout] mutability: Not, [INFO] [stdout] extra: (), [INFO] [stdout] }, [INFO] [stdout] offset: Size { [INFO] [stdout] raw: 0, [INFO] [stdout] }, [INFO] [stdout] }, [INFO] [stdout] ), [INFO] [stdout] } [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] thread 'rustc' panicked at 'Box', compiler/rustc_errors/src/lib.rs:1035:9 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7f9665110f20 - std::backtrace_rs::backtrace::libunwind::trace::h706b838f5bbd876b [INFO] [stderr] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x7f9665110f20 - std::backtrace_rs::backtrace::trace_unsynchronized::hc15f29ae7822b7b8 [INFO] [stderr] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x7f9665110f20 - std::sys_common::backtrace::_print_fmt::h7c580c971f91926c [INFO] [stderr] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x7f9665110f20 - ::fmt::h2a772198c4032452 [INFO] [stderr] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x7f966517ed0c - core::fmt::write::h9a6d9c74526a6c1b [INFO] [stderr] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/fmt/mod.rs:1115:17 [INFO] [stderr] 5: 0x7f9665102665 - std::io::Write::write_fmt::h00f38d9eb2c32e02 [INFO] [stderr] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/io/mod.rs:1663:15 [INFO] [stderr] 6: 0x7f9665114c3b - std::sys_common::backtrace::_print::h5b3c171e6f864ae4 [INFO] [stderr] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x7f9665114c3b - std::sys_common::backtrace::print::h93b9e9ed2a98e611 [INFO] [stderr] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x7f9665114c3b - std::panicking::default_hook::{{closure}}::hd8da92bb68d520c5 [INFO] [stderr] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x7f9665114711 - std::panicking::default_hook::hdbc8b2951c5afbab [INFO] [stderr] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x7f96658e9061 - rustc_driver::DEFAULT_HOOK::{{closure}}::{{closure}}::hb401cc3a4395a91f [INFO] [stderr] 11: 0x7f9665115469 - std::panicking::rust_panic_with_hook::h8a4c841655926f4e [INFO] [stderr] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:626:17 [INFO] [stderr] 12: 0x7f96668b1feb - std::panicking::begin_panic::{{closure}}::hac8dad9bdcca0cfd [INFO] [stderr] 13: 0x7f96668b1f86 - std::sys_common::backtrace::__rust_end_short_backtrace::h99db2744a599084f [INFO] [stderr] 14: 0x7f96668b327f - std::panicking::begin_panic::h41e6b8bec3069875 [INFO] [stderr] 15: 0x7f96668c85ed - std::panic::panic_any::h0c9457317d749814 [INFO] [stderr] 16: 0x7f96668cb44a - rustc_errors::HandlerInner::bug::h1af6e8cc9c30e551 [INFO] [stderr] 17: 0x7f96668caf00 - rustc_errors::Handler::bug::h92bd20b9466c2cbf [INFO] [stderr] 18: 0x7f96667307bc - rustc_middle::ty::context::tls::with_opt::h1c4490ff766d8628 [INFO] [stderr] 19: 0x7f9666730b10 - rustc_middle::util::bug::opt_span_bug_fmt::ha8d3313fb245704f [INFO] [stderr] 20: 0x7f9666730a86 - rustc_middle::util::bug::bug_fmt::h7d94326a7f647af1 [INFO] [stderr] 21: 0x7f9666ff988e - rustc_codegen_ssa::debuginfo::type_names::push_generic_params_internal::h023c4e6ede752e45 [INFO] [stderr] 22: 0x7f96679ecdcb - rustc_codegen_ssa::debuginfo::type_names::push_generic_params::he4380fef9946f54e [INFO] [stderr] 23: 0x7f9666a19194 - rustc_codegen_llvm::debuginfo::::dbg_scope_fn::get_template_parameters::h0e396ed84c45ce60 [INFO] [stderr] 24: 0x7f966745786d - rustc_codegen_llvm::debuginfo::::dbg_scope_fn::h1564d0fb6dc63f3d [INFO] [stderr] 25: 0x7f9666a2d4b9 - rustc_codegen_ssa::mir::codegen_mir::hba46b235138f9c53 [INFO] [stderr] 26: 0x7f9666a16576 - rustc_codegen_ssa::base::codegen_instance::h5ce3a13b251f2241 [INFO] [stderr] 27: 0x7f9666a1c57a - rustc_codegen_llvm::base::compile_codegen_unit::module_codegen::h2d90d12cab20a933 [INFO] [stderr] 28: 0x7f966745b947 - rustc_query_system::dep_graph::graph::DepGraph::with_task::hda2622383dbb7690 [INFO] [stderr] 29: 0x7f966746cb07 - rustc_codegen_llvm::base::compile_codegen_unit::h1ce3124a5e9e6cea [INFO] [stderr] 30: 0x7f9667460116 - ::codegen_crate::h64257afe5c81b421 [INFO] [stderr] 31: 0x7f96673e27fc - rustc_interface::passes::QueryContext::enter::h285a8b6410891da8 [INFO] [stderr] 32: 0x7f96673da746 - rustc_interface::queries::Queries::ongoing_codegen::h14066dfb04bad0e6 [INFO] [stderr] 33: 0x7f96673b9605 - rustc_interface::queries::::enter::hb44adf2f7e4d9008 [INFO] [stderr] 34: 0x7f96673a850c - rustc_span::with_source_map::ha503ff1545426b21 [INFO] [stderr] 35: 0x7f96673ba7ca - rustc_interface::interface::create_compiler_and_run::h6e85467d9706bedf [INFO] [stderr] 36: 0x7f96673ad819 - scoped_tls::ScopedKey::set::h0e2c1597a1f6a576 [INFO] [stderr] 37: 0x7f96673aa61a - std::sys_common::backtrace::__rust_begin_short_backtrace::h5c2fa93a4999a1ec [INFO] [stderr] 38: 0x7f96673a8ea5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8b6bc5ffa8abb153 [INFO] [stderr] 39: 0x7f9665121a17 - as core::ops::function::FnOnce>::call_once::ha8b1d5a0092467fc [INFO] [stderr] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/alloc/src/boxed.rs:1572:9 [INFO] [stderr] 40: 0x7f9665121a17 - as core::ops::function::FnOnce>::call_once::h4b9f24ec4e8a879e [INFO] [stderr] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/alloc/src/boxed.rs:1572:9 [INFO] [stderr] 41: 0x7f9665121a17 - std::sys::unix::thread::Thread::new::thread_start::h2a0e98fbc4ab4c32 [INFO] [stderr] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys/unix/thread.rs:72:17 [INFO] [stderr] 42: 0x7f966503d609 - start_thread [INFO] [stderr] 43: 0x7f9664f51293 - clone [INFO] [stderr] 44: 0x0 - [INFO] [stderr] [INFO] [stderr] note: the compiler unexpectedly panicked. this is a bug. [INFO] [stderr] [INFO] [stderr] note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md [INFO] [stderr] [INFO] [stderr] note: rustc 1.55.0-nightly (432e145bd 2021-07-10) running on x86_64-unknown-linux-gnu [INFO] [stderr] [INFO] [stderr] note: compiler flags: -C embed-bitcode=no -C debuginfo=2 --crate-type lib [INFO] [stderr] [INFO] [stderr] note: some of the compiler flags provided by cargo are hidden [INFO] [stderr] [INFO] [stderr] query stack during panic: [INFO] [stderr] end of query stack [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `fast_rsync` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "e7c3e8b258e9b9e724e6420c2a1aadb40d13d8b72e6856b5a203ee756ab2fc0a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e7c3e8b258e9b9e724e6420c2a1aadb40d13d8b72e6856b5a203ee756ab2fc0a", kill_on_drop: false }` [INFO] [stdout] e7c3e8b258e9b9e724e6420c2a1aadb40d13d8b72e6856b5a203ee756ab2fc0a