[INFO] fetching crate rebootinto-core 0.1.2...
[INFO] checking rebootinto-core-0.1.2 against try#4c35efa5bf9c956a3bd39021cc9699d125584977 for pr-104746
[INFO] extracting crate rebootinto-core 0.1.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rebootinto-core 0.1.2 on toolchain 4c35efa5bf9c956a3bd39021cc9699d125584977
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c35efa5bf9c956a3bd39021cc9699d125584977" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rebootinto-core 0.1.2
[INFO] finished tweaking crates.io crate rebootinto-core 0.1.2
[INFO] tweaked toml for crates.io crate rebootinto-core 0.1.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c35efa5bf9c956a3bd39021cc9699d125584977" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c35efa5bf9c956a3bd39021cc9699d125584977" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+4c35efa5bf9c956a3bd39021cc9699d125584977" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a3fb821b23d2542185117eea3f8c04e406d99a63a12e62afcb46d16e8738c18
[INFO] running `Command { std: "docker" "start" "-a" "0a3fb821b23d2542185117eea3f8c04e406d99a63a12e62afcb46d16e8738c18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a3fb821b23d2542185117eea3f8c04e406d99a63a12e62afcb46d16e8738c18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a3fb821b23d2542185117eea3f8c04e406d99a63a12e62afcb46d16e8738c18", kill_on_drop: false }`
[INFO] [stdout] 0a3fb821b23d2542185117eea3f8c04e406d99a63a12e62afcb46d16e8738c18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+4c35efa5bf9c956a3bd39021cc9699d125584977" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4bb426cd2c895c8c8b3fee3b3c1b24b22ed358d7a632a88ac3cb49a48641ddb
[INFO] running `Command { std: "docker" "start" "-a" "b4bb426cd2c895c8c8b3fee3b3c1b24b22ed358d7a632a88ac3cb49a48641ddb", kill_on_drop: false }`
[INFO] [stderr] Compiling proc-macro2 v1.0.47
[INFO] [stderr] Compiling unicode-ident v1.0.5
[INFO] [stderr] Compiling quote v1.0.21
[INFO] [stderr] Compiling syn v1.0.103
[INFO] [stderr] Compiling memchr v2.5.0
[INFO] [stderr] Compiling libc v0.2.137
[INFO] [stderr] Compiling cc v1.0.77
[INFO] [stderr] Compiling failure_derive v0.1.8
[INFO] [stderr] Checking adler v1.0.2
[INFO] [stderr] Checking gimli v0.26.2
[INFO] [stderr] Compiling unicode-xid v0.2.4
[INFO] [stderr] Checking rustc-demangle v0.1.21
[INFO] [stderr] Checking cfg-if v1.0.0
[INFO] [stderr] Checking byteorder v1.4.3
[INFO] [stderr] Checking bitflags v1.3.2
[INFO] [stderr] Checking simplereboot v0.1.0
[INFO] [stderr] Checking miniz_oxide v0.5.4
[INFO] [stderr] error: failed to run custom build command for `libc v0.2.137`
[INFO] [stderr]
[INFO] [stderr] Caused by:
[INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/libc-1b023df5ce246461/build-script-build` (exit status: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] cargo:rerun-if-changed=build.rs
[INFO] [stderr]
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'Failed to get rustc version', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libc-0.2.137/build.rs:9:63
[INFO] [stderr] stack backtrace:
[INFO] [stderr] 0: 0x5569b05ac9c0 - std::backtrace_rs::backtrace::libunwind::trace::h811febcfb6bf351b
[INFO] [stderr] at /rustc/4c35efa5bf9c956a3bd39021cc9699d125584977/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr] 1: 0x5569b05ac9c0 - std::backtrace_rs::backtrace::trace_unsynchronized::h96b741a907b99af4
[INFO] [stderr] at /rustc/4c35efa5bf9c956a3bd39021cc9699d125584977/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr] 2: 0x5569b05ac9c0 - std::sys_common::backtrace::_print_fmt::ha31a53ff87fd209a
[INFO] [stderr] at /rustc/4c35efa5bf9c956a3bd39021cc9699d125584977/library/std/src/sys_common/backtrace.rs:65:5
[INFO] [stderr] 3: 0x5569b05ac9c0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf3e583c2438f2a49
[INFO] [stderr] at /rustc/4c35efa5bf9c956a3bd39021cc9699d125584977/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr] 4: 0x5569b05c9a3e - core::fmt::write::h5bbd9ad31ca9656a
[INFO] [stderr] at /rustc/4c35efa5bf9c956a3bd39021cc9699d125584977/library/core/src/fmt/mod.rs:1208:17
[INFO] [stderr] 5: 0x5569b05a9f75 - std::io::Write::write_fmt::hd89bca684a701c73
[INFO] [stderr] at /rustc/4c35efa5bf9c956a3bd39021cc9699d125584977/library/std/src/io/mod.rs:1682:15
[INFO] [stderr] 6: 0x5569b05ac785 - std::sys_common::backtrace::_print::h54dbe9f97737135f
[INFO] [stderr] at /rustc/4c35efa5bf9c956a3bd39021cc9699d125584977/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr] 7: 0x5569b05ac785 - std::sys_common::backtrace::print::h0e49378300df2b98
[INFO] [stderr] at /rustc/4c35efa5bf9c956a3bd39021cc9699d125584977/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr] 8: 0x5569b05addcf - std::panicking::default_hook::{{closure}}::h3f37edd052a3115b
[INFO] [stderr] at /rustc/4c35efa5bf9c956a3bd39021cc9699d125584977/library/std/src/panicking.rs:267:22
[INFO] [stderr] 9: 0x5569b05adb0a - std::panicking::default_hook::h5d6c18972d08cdf9
[INFO] [stderr] at /rustc/4c35efa5bf9c956a3bd39021cc9699d125584977/library/std/src/panicking.rs:286:9
[INFO] [stderr] 10: 0x5569b05ae4cc - std::panicking::rust_panic_with_hook::hc1a5d3b45d0a6122
[INFO] [stderr] at /rustc/4c35efa5bf9c956a3bd39021cc9699d125584977/library/std/src/panicking.rs:688:13
[INFO] [stderr] 11: 0x5569b05ae267 - std::panicking::begin_panic_handler::{{closure}}::h874739c08844ff19
[INFO] [stderr] at /rustc/4c35efa5bf9c956a3bd39021cc9699d125584977/library/std/src/panicking.rs:579:13
[INFO] [stderr] 12: 0x5569b05ace6c - std::sys_common::backtrace::__rust_end_short_backtrace::hf48f04738ab9a35b
[INFO] [stderr] at /rustc/4c35efa5bf9c956a3bd39021cc9699d125584977/library/std/src/sys_common/backtrace.rs:137:18
[INFO] [stderr] 13: 0x5569b05adf82 - rust_begin_unwind
[INFO] [stderr] at /rustc/4c35efa5bf9c956a3bd39021cc9699d125584977/library/std/src/panicking.rs:575:5
[INFO] [stderr] 14: 0x5569b05861c3 - core::panicking::panic_fmt::hf1cb23ab679c1d98
[INFO] [stderr] at /rustc/4c35efa5bf9c956a3bd39021cc9699d125584977/library/core/src/panicking.rs:65:14
[INFO] [stderr] 15: 0x5569b05c8ce1 - core::panicking::panic_display::h11909d294f7a92c9
[INFO] [stderr] at /rustc/4c35efa5bf9c956a3bd39021cc9699d125584977/library/core/src/panicking.rs:138:5
[INFO] [stderr] 16: 0x5569b05c8c8b - core::panicking::panic_str::h4837f1de44eef628
[INFO] [stderr] at /rustc/4c35efa5bf9c956a3bd39021cc9699d125584977/library/core/src/panicking.rs:122:5
[INFO] [stderr] 17: 0x5569b0586186 - core::option::expect_failed::h7b3a0cf2e88792c5
[INFO] [stderr] at /rustc/4c35efa5bf9c956a3bd39021cc9699d125584977/library/core/src/option.rs:1879:5
[INFO] [stderr] 18: 0x5569b058fae4 - core::option::Option<T>::expect::hc5fbb8f9b8acf24c
[INFO] [stderr] at /rustc/4c35efa5bf9c956a3bd39021cc9699d125584977/library/core/src/option.rs:741:21
[INFO] [stderr] 19: 0x5569b058b02e - build_script_build::main::he87f7005d0437094
[INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libc-0.2.137/build.rs:9:41
[INFO] [stderr] 20: 0x5569b058e79b - core::ops::function::FnOnce::call_once::hf8ecf0b5842f7202
[INFO] [stderr] at /rustc/4c35efa5bf9c956a3bd39021cc9699d125584977/library/core/src/ops/function.rs:507:5
[INFO] [stderr] 21: 0x5569b058f48e - std::sys_common::backtrace::__rust_begin_short_backtrace::h07dd22640078c4c5
[INFO] [stderr] at /rustc/4c35efa5bf9c956a3bd39021cc9699d125584977/library/std/src/sys_common/backtrace.rs:121:18
[INFO] [stderr] 22: 0x5569b0588581 - std::rt::lang_start::{{closure}}::h3df533c05af8d278
[INFO] [stderr] at /rustc/4c35efa5bf9c956a3bd39021cc9699d125584977/library/std/src/rt.rs:166:18
[INFO] [stderr] 23: 0x5569b05a731c - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h5b494a5e5c20b261
[INFO] [stderr] at /rustc/4c35efa5bf9c956a3bd39021cc9699d125584977/library/core/src/ops/function.rs:606:13
[INFO] [stderr] 24: 0x5569b05a731c - std::panicking::try::do_call::h5d51cf8602c16f4a
[INFO] [stderr] at /rustc/4c35efa5bf9c956a3bd39021cc9699d125584977/library/std/src/panicking.rs:483:40
[INFO] [stderr] 25: 0x5569b05a731c - std::panicking::try::h7fb476dcd351379f
[INFO] [stderr] at /rustc/4c35efa5bf9c956a3bd39021cc9699d125584977/library/std/src/panicking.rs:447:19
[INFO] [stderr] 26: 0x5569b05a731c - std::panic::catch_unwind::h77a54dd491b33982
[INFO] [stderr] at /rustc/4c35efa5bf9c956a3bd39021cc9699d125584977/library/std/src/panic.rs:137:14
[INFO] [stderr] 27: 0x5569b05a731c - std::rt::lang_start_internal::{{closure}}::ha93bba2cc6dbac5f
[INFO] [stderr] at /rustc/4c35efa5bf9c956a3bd39021cc9699d125584977/library/std/src/rt.rs:148:48
[INFO] [stderr] 28: 0x5569b05a731c - std::panicking::try::do_call::h13be1d7306b0159a
[INFO] [stderr] at /rustc/4c35efa5bf9c956a3bd39021cc9699d125584977/library/std/src/panicking.rs:483:40
[INFO] [stderr] 29: 0x5569b05a731c - std::panicking::try::heffa9c927f17c3e6
[INFO] [stderr] at /rustc/4c35efa5bf9c956a3bd39021cc9699d125584977/library/std/src/panicking.rs:447:19
[INFO] [stderr] 30: 0x5569b05a731c - std::panic::catch_unwind::h1126625f5de4482e
[INFO] [stderr] at /rustc/4c35efa5bf9c956a3bd39021cc9699d125584977/library/std/src/panic.rs:137:14
[INFO] [stderr] 31: 0x5569b05a731c - std::rt::lang_start_internal::h02f6c396aa452b3b
[INFO] [stderr] at /rustc/4c35efa5bf9c956a3bd39021cc9699d125584977/library/std/src/rt.rs:148:20
[INFO] [stderr] 32: 0x5569b058855a - std::rt::lang_start::h1ef19ea8d0789758
[INFO] [stderr] at /rustc/4c35efa5bf9c956a3bd39021cc9699d125584977/library/std/src/rt.rs:165:17
[INFO] [stderr] 33: 0x5569b058c82e - main
[INFO] [stderr] 34: 0x7f3769a51083 - __libc_start_main
[INFO] [stderr] 35: 0x5569b058650e - _start
[INFO] [stderr] 36: 0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b4bb426cd2c895c8c8b3fee3b3c1b24b22ed358d7a632a88ac3cb49a48641ddb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4bb426cd2c895c8c8b3fee3b3c1b24b22ed358d7a632a88ac3cb49a48641ddb", kill_on_drop: false }`
[INFO] [stdout] b4bb426cd2c895c8c8b3fee3b3c1b24b22ed358d7a632a88ac3cb49a48641ddb