[INFO] fetching crate virt-fwk 0.1.0...
[INFO] testing virt-fwk-0.1.0 against master#160e7623e8cbbf1feab2b6e2a24733a98c7bde9c for pr-145628
[INFO] extracting crate virt-fwk 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate virt-fwk 0.1.0
[INFO] finished tweaking crates.io crate virt-fwk 0.1.0
[INFO] tweaked toml for crates.io crate virt-fwk 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate virt-fwk 0.1.0 on toolchain 160e7623e8cbbf1feab2b6e2a24733a98c7bde9c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 9 packages to latest compatible versions
[INFO] [stderr]       Adding block2 v0.2.0 (available: v0.6.1)
[INFO] [stderr]       Adding objc2 v0.3.0-beta.5 (available: v0.6.2)
[INFO] [stderr]       Adding objc2-encode v2.0.0-pre.4 (available: v2.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded objc2-encode v2.0.0-pre.4
[INFO] [stderr]   Downloaded block2 v0.2.0
[INFO] [stderr]   Downloaded objc2 v0.3.0-beta.5
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c1444e8eb59f6ba8d1eb828354f3d0d06299dddc663e95846c8219152971b710
[INFO] running `Command { std: "docker" "start" "-a" "c1444e8eb59f6ba8d1eb828354f3d0d06299dddc663e95846c8219152971b710", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1444e8eb59f6ba8d1eb828354f3d0d06299dddc663e95846c8219152971b710", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1444e8eb59f6ba8d1eb828354f3d0d06299dddc663e95846c8219152971b710", kill_on_drop: false }`
[INFO] [stdout] c1444e8eb59f6ba8d1eb828354f3d0d06299dddc663e95846c8219152971b710
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e50657acb5137205e146e6c5004f93b5150035a970330d6674d6c6f9191fe359
[INFO] running `Command { std: "docker" "start" "-a" "e50657acb5137205e146e6c5004f93b5150035a970330d6674d6c6f9191fe359", kill_on_drop: false }`
[INFO] [stderr]    Compiling objc-sys v0.3.5
[INFO] [stderr]    Compiling block-sys v0.2.1
[INFO] [stderr]    Compiling objc2-encode v3.0.0
[INFO] [stderr]    Compiling objc2-encode v2.0.0-pre.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr] error: failed to run custom build command for `objc-sys v0.3.5`
[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/objc-sys-6a9f2d72e16100c0/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=build.rs
[INFO] [stderr]   cargo:rustc-check-cfg=cfg(target_abi_macabi)
[INFO] [stderr]   cargo:rustc-check-cfg=cfg(target_simulator)
[INFO] [stderr]   cargo:rustc-check-cfg=cfg(libobjc2_strict_apple_compat)
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (101) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/objc-sys-0.3.5/build.rs:81:13:
[INFO] [stderr]   Must specify the desired runtime using Cargo features on non-Apple platforms
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5c8930375192 - std::backtrace_rs::backtrace::libunwind::trace::hf3086ff3c8ddfec7
[INFO] [stderr]                                  at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5c8930375192 - std::backtrace_rs::backtrace::trace_unsynchronized::h6caf11542219ebc3
[INFO] [stderr]                                  at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5c8930375192 - std::sys::backtrace::_print_fmt::hfd9f352edf0ef63b
[INFO] [stderr]                                  at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5c8930375192 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h746cb25d4c2f20bf
[INFO] [stderr]                                  at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5c893038423f - core::fmt::rt::Argument::fmt::h7e560d1a4260d0bd
[INFO] [stderr]                                  at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x5c893038423f - core::fmt::write::h51c104753c8435b2
[INFO] [stderr]                                  at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/core/src/fmt/mod.rs:1468:25
[INFO] [stderr]      6:     0x5c8930352f03 - std::io::default_write_fmt::h3139829dd1dc7ae7
[INFO] [stderr]                                  at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5c8930352f03 - std::io::Write::write_fmt::h485181afa18655f5
[INFO] [stderr]                                  at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x5c89303581f2 - std::sys::backtrace::BacktraceLock::print::heee726a1c5b4a2c3
[INFO] [stderr]                                  at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x5c8930359cbc - std::panicking::default_hook::{{closure}}::h938489fbb79d30ee
[INFO] [stderr]                                  at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x5c8930359b16 - std::panicking::default_hook::hf7e155db98319366
[INFO] [stderr]                                  at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x5c893035a295 - std::panicking::panic_with_hook::h78bb7329978b77c8
[INFO] [stderr]                                  at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x5c893035a0f6 - std::panicking::panic_handler::{{closure}}::h306ab6080b8e304c
[INFO] [stderr]                                  at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/panicking.rs:700:13
[INFO] [stderr]     13:     0x5c8930358329 - std::sys::backtrace::__rust_end_short_backtrace::hab10906eec9c5584
[INFO] [stderr]                                  at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x5c89303477ad - __rustc[31cdaa5515be9d95]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x5c89303872b0 - core::panicking::panic_fmt::h8cb2938d8e2b0e7b
[INFO] [stderr]                                  at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x5c893034533b - build_script_build::main::h80c41075c7aafc4e
[INFO] [stderr]     17:     0x5c89303462d3 - core::ops::function::FnOnce::call_once::h71ed519e34b11833
[INFO] [stderr]     18:     0x5c8930345f56 - std::sys::backtrace::__rust_begin_short_backtrace::h834f6b5f27a364fe
[INFO] [stderr]     19:     0x5c8930345e49 - std::rt::lang_start::{{closure}}::hc74e9d3fcbf8ff71
[INFO] [stderr]     20:     0x5c89303541e0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hafb92390cd746d32
[INFO] [stderr]                                  at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/core/src/ops/function.rs:290:21
[INFO] [stderr]     21:     0x5c89303541e0 - std::panicking::catch_unwind::do_call::hf9ca7f72b5cfc12d
[INFO] [stderr]                                  at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/panicking.rs:590:40
[INFO] [stderr]     22:     0x5c89303541e0 - std::panicking::catch_unwind::h2633a0b3bb54fb62
[INFO] [stderr]                                  at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/panicking.rs:553:19
[INFO] [stderr]     23:     0x5c89303541e0 - std::panic::catch_unwind::h7e09e435c07a712b
[INFO] [stderr]                                  at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/panic.rs:359:14
[INFO] [stderr]     24:     0x5c89303541e0 - std::rt::lang_start_internal::{{closure}}::hca9746c45fe5e4fc
[INFO] [stderr]                                  at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/rt.rs:175:24
[INFO] [stderr]     25:     0x5c89303541e0 - std::panicking::catch_unwind::do_call::h2226e3146fd4fcbb
[INFO] [stderr]                                  at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/panicking.rs:590:40
[INFO] [stderr]     26:     0x5c89303541e0 - std::panicking::catch_unwind::h95d7cf2cf54eaae4
[INFO] [stderr]                                  at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/panicking.rs:553:19
[INFO] [stderr]     27:     0x5c89303541e0 - std::panic::catch_unwind::hc9da26b0dab9ae52
[INFO] [stderr]                                  at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/panic.rs:359:14
[INFO] [stderr]     28:     0x5c89303541e0 - std::rt::lang_start_internal::h31e79a1e3680eaa2
[INFO] [stderr]                                  at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/rt.rs:171:5
[INFO] [stderr]     29:     0x5c8930345e31 - std::rt::lang_start::h86d28bdf62e27862
[INFO] [stderr]     30:     0x5c89303474a5 - main
[INFO] [stderr]     31:     0x718d422941ca - <unknown>
[INFO] [stderr]     32:     0x718d4229428b - __libc_start_main
[INFO] [stderr]     33:     0x5c8930344ae5 - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e50657acb5137205e146e6c5004f93b5150035a970330d6674d6c6f9191fe359", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e50657acb5137205e146e6c5004f93b5150035a970330d6674d6c6f9191fe359", kill_on_drop: false }`
[INFO] [stdout] e50657acb5137205e146e6c5004f93b5150035a970330d6674d6c6f9191fe359