[INFO] fetching crate qemu 0.1.10...
[INFO] checking qemu-0.1.10 against master#020bbe46bdf613c0b8211984eaa8e5fe97d6c92d for pr-122960
[INFO] extracting crate qemu 0.1.10 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate qemu 0.1.10 on toolchain 020bbe46bdf613c0b8211984eaa8e5fe97d6c92d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate qemu 0.1.10
[INFO] finished tweaking crates.io crate qemu 0.1.10
[INFO] tweaked toml for crates.io crate qemu 0.1.10 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded jobserver v0.1.28
[INFO] [stderr]   Downloaded percent-encoding v2.3.1
[INFO] [stderr]   Downloaded form_urlencoded v1.2.1
[INFO] [stderr]   Downloaded unicode-bidi v0.3.15
[INFO] [stderr]   Downloaded openssl-probe v0.1.5
[INFO] [stderr]   Downloaded url v2.5.0
[INFO] [stderr]   Downloaded unicode-normalization v0.1.23
[INFO] [stderr]   Downloaded idna v0.5.0
[INFO] [stderr]   Downloaded git2 v0.15.0
[INFO] [stderr]   Downloaded libssh2-sys v0.2.23
[INFO] [stderr]   Downloaded libgit2-sys v0.14.2+1.5.1
[INFO] [stderr]   Downloaded libz-sys v1.1.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a93796f8c81045d2bc0a37a62c8b617fe11de45401c6668f3976f0d05a2b9e0
[INFO] running `Command { std: "docker" "start" "-a" "9a93796f8c81045d2bc0a37a62c8b617fe11de45401c6668f3976f0d05a2b9e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a93796f8c81045d2bc0a37a62c8b617fe11de45401c6668f3976f0d05a2b9e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a93796f8c81045d2bc0a37a62c8b617fe11de45401c6668f3976f0d05a2b9e0", kill_on_drop: false }`
[INFO] [stdout] 9a93796f8c81045d2bc0a37a62c8b617fe11de45401c6668f3976f0d05a2b9e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5bc1d56bac8abe0065b4fce08f348c62eb8343d1100b32f1725fdd45ddf3bcd1
[INFO] running `Command { std: "docker" "start" "-a" "5bc1d56bac8abe0065b4fce08f348c62eb8343d1100b32f1725fdd45ddf3bcd1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.15
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.23
[INFO] [stderr]    Compiling jobserver v0.1.28
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling url v2.5.0
[INFO] [stderr]    Compiling openssl-sys v0.9.101
[INFO] [stderr]    Compiling libz-sys v1.1.16
[INFO] [stderr]    Compiling libssh2-sys v0.2.23
[INFO] [stderr]    Compiling libgit2-sys v0.14.2+1.5.1
[INFO] [stderr]    Compiling git2 v0.15.0
[INFO] [stderr]    Compiling qemu v0.1.10 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `qemu v0.1.10 (/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/qemu-286a1f75d3b1bff0/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 build.rs:712:17:
[INFO] [stderr]   Failed to configure qemu:
[INFO] [stderr]   stdout:
[INFO] [stderr]   stderr:Cloning into '/opt/rustwide/target/debug/build/qemu-226b6807fd9cc2ec/out/qemu'...
[INFO] [stderr]   fatal: unable to access 'https://github.com/qemu/qemu.git/': Could not resolve host: github.com
[INFO] [stderr] 
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x562b80887965 - std::backtrace_rs::backtrace::libunwind::trace::hdd3bae0de2e58f59
[INFO] [stderr]                                  at /rustc/020bbe46bdf613c0b8211984eaa8e5fe97d6c92d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stderr]      1:     0x562b80887965 - std::backtrace_rs::backtrace::trace_unsynchronized::h7bfabec9ef102217
[INFO] [stderr]                                  at /rustc/020bbe46bdf613c0b8211984eaa8e5fe97d6c92d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x562b80887965 - std::sys_common::backtrace::_print_fmt::h5e7d05eff55bffb4
[INFO] [stderr]                                  at /rustc/020bbe46bdf613c0b8211984eaa8e5fe97d6c92d/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]      3:     0x562b80887965 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hed2291ff682c4b49
[INFO] [stderr]                                  at /rustc/020bbe46bdf613c0b8211984eaa8e5fe97d6c92d/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x562b808a928b - core::fmt::rt::Argument::fmt::hf7a9f1bcd6f789a8
[INFO] [stderr]                                  at /rustc/020bbe46bdf613c0b8211984eaa8e5fe97d6c92d/library/core/src/fmt/rt.rs:142:9
[INFO] [stderr]      5:     0x562b808a928b - core::fmt::write::h92b30e34efa23d03
[INFO] [stderr]                                  at /rustc/020bbe46bdf613c0b8211984eaa8e5fe97d6c92d/library/core/src/fmt/mod.rs:1153:17
[INFO] [stderr]      6:     0x562b808851cf - std::io::Write::write_fmt::hffd76ea5d33a210e
[INFO] [stderr]                                  at /rustc/020bbe46bdf613c0b8211984eaa8e5fe97d6c92d/library/std/src/io/mod.rs:1843:15
[INFO] [stderr]      7:     0x562b8088773e - std::sys_common::backtrace::_print::h70deb6ec1d6afeb7
[INFO] [stderr]                                  at /rustc/020bbe46bdf613c0b8211984eaa8e5fe97d6c92d/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x562b8088773e - std::sys_common::backtrace::print::h17d62d75bc95960d
[INFO] [stderr]                                  at /rustc/020bbe46bdf613c0b8211984eaa8e5fe97d6c92d/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x562b80888ba9 - std::panicking::default_hook::{{closure}}::h834cd25724a5ee2a
[INFO] [stderr]     10:     0x562b80888913 - std::panicking::default_hook::h26a943bae7e2f716
[INFO] [stderr]                                  at /rustc/020bbe46bdf613c0b8211984eaa8e5fe97d6c92d/library/std/src/panicking.rs:292:9
[INFO] [stderr]     11:     0x562b80889046 - std::panicking::rust_panic_with_hook::h0cc7c704d71cf6b0
[INFO] [stderr]                                  at /rustc/020bbe46bdf613c0b8211984eaa8e5fe97d6c92d/library/std/src/panicking.rs:785:13
[INFO] [stderr]     12:     0x562b80888f26 - std::panicking::begin_panic_handler::{{closure}}::haf0ebd62f971341d
[INFO] [stderr]                                  at /rustc/020bbe46bdf613c0b8211984eaa8e5fe97d6c92d/library/std/src/panicking.rs:657:13
[INFO] [stderr]     13:     0x562b80887e29 - std::sys_common::backtrace::__rust_end_short_backtrace::h38ef5a32430f31f8
[INFO] [stderr]                                  at /rustc/020bbe46bdf613c0b8211984eaa8e5fe97d6c92d/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]     14:     0x562b80888c57 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/020bbe46bdf613c0b8211984eaa8e5fe97d6c92d/library/std/src/panicking.rs:645:5
[INFO] [stderr]     15:     0x562b8072e346 - core::panicking::panic_fmt::he26486617598e3fa
[INFO] [stderr]                                  at /rustc/020bbe46bdf613c0b8211984eaa8e5fe97d6c92d/library/core/src/panicking.rs:72:14
[INFO] [stderr]     16:     0x562b807317df - build_script_build::main::hecdba50adafc2c28
[INFO] [stderr]     17:     0x562b8072f283 - core::ops::function::FnOnce::call_once::h4723da396ca66c37
[INFO] [stderr]     18:     0x562b807335c6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h39b305766ed36e62
[INFO] [stderr]     19:     0x562b8072ec89 - std::rt::lang_start::{{closure}}::h14ea82a0b5896203
[INFO] [stderr]     20:     0x562b80881331 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h07ead27ce39930e0
[INFO] [stderr]                                  at /rustc/020bbe46bdf613c0b8211984eaa8e5fe97d6c92d/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     21:     0x562b80881331 - std::panicking::try::do_call::h35ebea7ca7bfca2e
[INFO] [stderr]                                  at /rustc/020bbe46bdf613c0b8211984eaa8e5fe97d6c92d/library/std/src/panicking.rs:552:40
[INFO] [stderr]     22:     0x562b80881331 - std::panicking::try::h62e99db91475df9c
[INFO] [stderr]                                  at /rustc/020bbe46bdf613c0b8211984eaa8e5fe97d6c92d/library/std/src/panicking.rs:516:19
[INFO] [stderr]     23:     0x562b80881331 - std::panic::catch_unwind::h909b84aaa01659c8
[INFO] [stderr]                                  at /rustc/020bbe46bdf613c0b8211984eaa8e5fe97d6c92d/library/std/src/panic.rs:146:14
[INFO] [stderr]     24:     0x562b80881331 - std::rt::lang_start_internal::{{closure}}::h58502cf374125bdb
[INFO] [stderr]                                  at /rustc/020bbe46bdf613c0b8211984eaa8e5fe97d6c92d/library/std/src/rt.rs:148:48
[INFO] [stderr]     25:     0x562b80881331 - std::panicking::try::do_call::hd3e1239f9639059f
[INFO] [stderr]                                  at /rustc/020bbe46bdf613c0b8211984eaa8e5fe97d6c92d/library/std/src/panicking.rs:552:40
[INFO] [stderr]     26:     0x562b80881331 - std::panicking::try::ha37aa97ead720b5b
[INFO] [stderr]                                  at /rustc/020bbe46bdf613c0b8211984eaa8e5fe97d6c92d/library/std/src/panicking.rs:516:19
[INFO] [stderr]     27:     0x562b80881331 - std::panic::catch_unwind::hc821a3a0f5c7f1c9
[INFO] [stderr]                                  at /rustc/020bbe46bdf613c0b8211984eaa8e5fe97d6c92d/library/std/src/panic.rs:146:14
[INFO] [stderr]     28:     0x562b80881331 - std::rt::lang_start_internal::haff544ad0bddd6be
[INFO] [stderr]                                  at /rustc/020bbe46bdf613c0b8211984eaa8e5fe97d6c92d/library/std/src/rt.rs:148:20
[INFO] [stderr]     29:     0x562b8072ec67 - std::rt::lang_start::h7526f1f680a4e064
[INFO] [stderr]     30:     0x562b80733395 - main
[INFO] [stderr]     31:     0x7f2368cb1d90 - <unknown>
[INFO] [stderr]     32:     0x7f2368cb1e40 - __libc_start_main
[INFO] [stderr]     33:     0x562b8072e995 - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "5bc1d56bac8abe0065b4fce08f348c62eb8343d1100b32f1725fdd45ddf3bcd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bc1d56bac8abe0065b4fce08f348c62eb8343d1100b32f1725fdd45ddf3bcd1", kill_on_drop: false }`
[INFO] [stdout] 5bc1d56bac8abe0065b4fce08f348c62eb8343d1100b32f1725fdd45ddf3bcd1