[INFO] cloning repository https://github.com/ZhiXiao-Lin/rust-kvm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ZhiXiao-Lin/rust-kvm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZhiXiao-Lin%2Frust-kvm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZhiXiao-Lin%2Frust-kvm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a6d45fef927d1a513af05d0d082010c8a9c62d47
[INFO] checking ZhiXiao-Lin/rust-kvm against try#5dad09e4031c59e404e465a158e2077e61b9a860 for pr-105085
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZhiXiao-Lin%2Frust-kvm" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ZhiXiao-Lin/rust-kvm on toolchain 5dad09e4031c59e404e465a158e2077e61b9a860
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5dad09e4031c59e404e465a158e2077e61b9a860" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ZhiXiao-Lin/rust-kvm
[INFO] finished tweaking git repo https://github.com/ZhiXiao-Lin/rust-kvm
[INFO] tweaked toml for git repo https://github.com/ZhiXiao-Lin/rust-kvm written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/ZhiXiao-Lin/rust-kvm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5dad09e4031c59e404e465a158e2077e61b9a860" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+5dad09e4031c59e404e465a158e2077e61b9a860" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6baccfe56f1f5ac7083df4a5277692d67332459a8d16855c1008ebc69e06c84e
[INFO] running `Command { std: "docker" "start" "-a" "6baccfe56f1f5ac7083df4a5277692d67332459a8d16855c1008ebc69e06c84e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6baccfe56f1f5ac7083df4a5277692d67332459a8d16855c1008ebc69e06c84e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6baccfe56f1f5ac7083df4a5277692d67332459a8d16855c1008ebc69e06c84e", kill_on_drop: false }`
[INFO] [stdout] 6baccfe56f1f5ac7083df4a5277692d67332459a8d16855c1008ebc69e06c84e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+5dad09e4031c59e404e465a158e2077e61b9a860" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2176217f2281400e320638ffe2430e768a7fe4bca0273e43c644118d11c1fa61
[INFO] running `Command { std: "docker" "start" "-a" "2176217f2281400e320638ffe2430e768a7fe4bca0273e43c644118d11c1fa61", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling kvm-ioctls v0.11.0 (/opt/rustwide/workdir/crates/kvm-ioctls)
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling serde_json v1.0.78
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr] error: failed to run custom build command for `libc v0.2.117`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/libc-9b0fe00125a61cbc/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-0.2.117/build.rs:9:63
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55bba3abcb0a - std::backtrace_rs::backtrace::libunwind::trace::h0c6924574c71ede5
[INFO] [stderr]                                  at /rustc/5dad09e4031c59e404e465a158e2077e61b9a860/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]      1:     0x55bba3abcb0a - std::backtrace_rs::backtrace::trace_unsynchronized::h9b581d6a64150add
[INFO] [stderr]                                  at /rustc/5dad09e4031c59e404e465a158e2077e61b9a860/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55bba3abcb0a - std::sys_common::backtrace::_print_fmt::he5045b36826a2cfe
[INFO] [stderr]                                  at /rustc/5dad09e4031c59e404e465a158e2077e61b9a860/library/std/src/sys_common/backtrace.rs:65:5
[INFO] [stderr]      3:     0x55bba3abcb0a - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h304a567a10c812d5
[INFO] [stderr]                                  at /rustc/5dad09e4031c59e404e465a158e2077e61b9a860/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x55bba3ada34e - core::fmt::write::h9d1d1050b0de9f0c
[INFO] [stderr]                                  at /rustc/5dad09e4031c59e404e465a158e2077e61b9a860/library/core/src/fmt/mod.rs:1208:17
[INFO] [stderr]      5:     0x55bba3aba175 - std::io::Write::write_fmt::hf66f322952b66710
[INFO] [stderr]                                  at /rustc/5dad09e4031c59e404e465a158e2077e61b9a860/library/std/src/io/mod.rs:1682:15
[INFO] [stderr]      6:     0x55bba3abc8d5 - std::sys_common::backtrace::_print::h82f887d91c436e75
[INFO] [stderr]                                  at /rustc/5dad09e4031c59e404e465a158e2077e61b9a860/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      7:     0x55bba3abc8d5 - std::sys_common::backtrace::print::hc2b1bda20b372097
[INFO] [stderr]                                  at /rustc/5dad09e4031c59e404e465a158e2077e61b9a860/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      8:     0x55bba3abdf5f - std::panicking::default_hook::{{closure}}::h4dbd785fd5621af0
[INFO] [stderr]                                  at /rustc/5dad09e4031c59e404e465a158e2077e61b9a860/library/std/src/panicking.rs:267:22
[INFO] [stderr]      9:     0x55bba3abdc9b - std::panicking::default_hook::h0bfe6997d832fbf3
[INFO] [stderr]                                  at /rustc/5dad09e4031c59e404e465a158e2077e61b9a860/library/std/src/panicking.rs:286:9
[INFO] [stderr]     10:     0x55bba3abe66c - std::panicking::rust_panic_with_hook::hb986c28e6afa3b88
[INFO] [stderr]                                  at /rustc/5dad09e4031c59e404e465a158e2077e61b9a860/library/std/src/panicking.rs:688:13
[INFO] [stderr]     11:     0x55bba3abe409 - std::panicking::begin_panic_handler::{{closure}}::h785f7448108956df
[INFO] [stderr]                                  at /rustc/5dad09e4031c59e404e465a158e2077e61b9a860/library/std/src/panicking.rs:579:13
[INFO] [stderr]     12:     0x55bba3abcfbc - std::sys_common::backtrace::__rust_end_short_backtrace::hddefaa0eb123685a
[INFO] [stderr]                                  at /rustc/5dad09e4031c59e404e465a158e2077e61b9a860/library/std/src/sys_common/backtrace.rs:137:18
[INFO] [stderr]     13:     0x55bba3abe112 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/5dad09e4031c59e404e465a158e2077e61b9a860/library/std/src/panicking.rs:575:5
[INFO] [stderr]     14:     0x55bba3a961f3 - core::panicking::panic_fmt::h816205b72941b94c
[INFO] [stderr]                                  at /rustc/5dad09e4031c59e404e465a158e2077e61b9a860/library/core/src/panicking.rs:65:14
[INFO] [stderr]     15:     0x55bba3ad9621 - core::panicking::panic_display::h30a4ded4bf355557
[INFO] [stderr]                                  at /rustc/5dad09e4031c59e404e465a158e2077e61b9a860/library/core/src/panicking.rs:138:5
[INFO] [stderr]     16:     0x55bba3ad95cb - core::panicking::panic_str::h37d374b4083376dc
[INFO] [stderr]                                  at /rustc/5dad09e4031c59e404e465a158e2077e61b9a860/library/core/src/panicking.rs:122:5
[INFO] [stderr]     17:     0x55bba3a961b6 - core::option::expect_failed::heb2ff05c2dafd0b8
[INFO] [stderr]                                  at /rustc/5dad09e4031c59e404e465a158e2077e61b9a860/library/core/src/option.rs:1879:5
[INFO] [stderr]     18:     0x55bba3a988e4 - core::option::Option<T>::expect::h080830c6aa1743bd
[INFO] [stderr]                                  at /rustc/5dad09e4031c59e404e465a158e2077e61b9a860/library/core/src/option.rs:741:21
[INFO] [stderr]     19:     0x55bba3a9b30e - build_script_build::main::h7fac20e986e52216
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libc-0.2.117/build.rs:9:41
[INFO] [stderr]     20:     0x55bba3a9e94b - core::ops::function::FnOnce::call_once::he8365c12f38c188c
[INFO] [stderr]                                  at /rustc/5dad09e4031c59e404e465a158e2077e61b9a860/library/core/src/ops/function.rs:507:5
[INFO] [stderr]     21:     0x55bba3a9f62e - std::sys_common::backtrace::__rust_begin_short_backtrace::h73180870db793660
[INFO] [stderr]                                  at /rustc/5dad09e4031c59e404e465a158e2077e61b9a860/library/std/src/sys_common/backtrace.rs:121:18
[INFO] [stderr]     22:     0x55bba3a9f6a1 - std::rt::lang_start::{{closure}}::hc7dcba34602a249f
[INFO] [stderr]                                  at /rustc/5dad09e4031c59e404e465a158e2077e61b9a860/library/std/src/rt.rs:166:18
[INFO] [stderr]     23:     0x55bba3ab740c - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h15b0a11c14824347
[INFO] [stderr]                                  at /rustc/5dad09e4031c59e404e465a158e2077e61b9a860/library/core/src/ops/function.rs:606:13
[INFO] [stderr]     24:     0x55bba3ab740c - std::panicking::try::do_call::h89c100a7a30b48ba
[INFO] [stderr]                                  at /rustc/5dad09e4031c59e404e465a158e2077e61b9a860/library/std/src/panicking.rs:483:40
[INFO] [stderr]     25:     0x55bba3ab740c - std::panicking::try::h4a961c7767e8f167
[INFO] [stderr]                                  at /rustc/5dad09e4031c59e404e465a158e2077e61b9a860/library/std/src/panicking.rs:447:19
[INFO] [stderr]     26:     0x55bba3ab740c - std::panic::catch_unwind::h92e12badab77c678
[INFO] [stderr]                                  at /rustc/5dad09e4031c59e404e465a158e2077e61b9a860/library/std/src/panic.rs:137:14
[INFO] [stderr]     27:     0x55bba3ab740c - std::rt::lang_start_internal::{{closure}}::h5b8310c48dc28e9a
[INFO] [stderr]                                  at /rustc/5dad09e4031c59e404e465a158e2077e61b9a860/library/std/src/rt.rs:148:48
[INFO] [stderr]     28:     0x55bba3ab740c - std::panicking::try::do_call::hc3eca26a7e9387f8
[INFO] [stderr]                                  at /rustc/5dad09e4031c59e404e465a158e2077e61b9a860/library/std/src/panicking.rs:483:40
[INFO] [stderr]     29:     0x55bba3ab740c - std::panicking::try::h069c64b7cd5995b9
[INFO] [stderr]                                  at /rustc/5dad09e4031c59e404e465a158e2077e61b9a860/library/std/src/panicking.rs:447:19
[INFO] [stderr]     30:     0x55bba3ab740c - std::panic::catch_unwind::hf0a376d0f721848f
[INFO] [stderr]                                  at /rustc/5dad09e4031c59e404e465a158e2077e61b9a860/library/std/src/panic.rs:137:14
[INFO] [stderr]     31:     0x55bba3ab740c - std::rt::lang_start_internal::h985912cadd486379
[INFO] [stderr]                                  at /rustc/5dad09e4031c59e404e465a158e2077e61b9a860/library/std/src/rt.rs:148:20
[INFO] [stderr]     32:     0x55bba3a9f67a - std::rt::lang_start::he4f255e1c7d4d537
[INFO] [stderr]                                  at /rustc/5dad09e4031c59e404e465a158e2077e61b9a860/library/std/src/rt.rs:165:17
[INFO] [stderr]     33:     0x55bba3a9c9de - main
[INFO] [stderr]     34:     0x7fbf725b0083 - __libc_start_main
[INFO] [stderr]     35:     0x55bba3a9653e - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2176217f2281400e320638ffe2430e768a7fe4bca0273e43c644118d11c1fa61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2176217f2281400e320638ffe2430e768a7fe4bca0273e43c644118d11c1fa61", kill_on_drop: false }`
[INFO] [stdout] 2176217f2281400e320638ffe2430e768a7fe4bca0273e43c644118d11c1fa61