[INFO] fetching crate nanovg-sys 1.0.2...
[INFO] testing nanovg-sys-1.0.2 against 1.60.0 for beta-1.61-1
[INFO] extracting crate nanovg-sys 1.0.2 into /workspace/builds/worker-58/source
[INFO] validating manifest of crates.io crate nanovg-sys 1.0.2 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nanovg-sys 1.0.2
[INFO] finished tweaking crates.io crate nanovg-sys 1.0.2
[INFO] tweaked toml for crates.io crate nanovg-sys 1.0.2 written to /workspace/builds/worker-58/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9357855c8e3305c79bae593fea32fb7c5aa574fd2ec8961addaddbe30afa0bd0
[INFO] running `Command { std: "docker" "start" "-a" "9357855c8e3305c79bae593fea32fb7c5aa574fd2ec8961addaddbe30afa0bd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9357855c8e3305c79bae593fea32fb7c5aa574fd2ec8961addaddbe30afa0bd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9357855c8e3305c79bae593fea32fb7c5aa574fd2ec8961addaddbe30afa0bd0", kill_on_drop: false }`
[INFO] [stdout] 9357855c8e3305c79bae593fea32fb7c5aa574fd2ec8961addaddbe30afa0bd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89ad50afbb4bf912b2438ce5f394e33dbb4f0e2afb18ef48909b740047bed87f
[INFO] running `Command { std: "docker" "start" "-a" "89ad50afbb4bf912b2438ce5f394e33dbb4f0e2afb18ef48909b740047bed87f", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling nanovg-sys v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `nanovg-sys v1.0.2 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/nanovg-sys-6e3f2505541d29ba/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'Unable to determine the backend / implementation. Have you enabled one of the features?', build.rs:38:10
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x564c5f3234ed - std::backtrace_rs::backtrace::libunwind::trace::hee598835bc88d35b
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]      1:     0x564c5f3234ed - std::backtrace_rs::backtrace::trace_unsynchronized::h9cdc730ba5cf5d72
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x564c5f3234ed - std::sys_common::backtrace::_print_fmt::h75aeaf7ed30e43fa
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:66:5
[INFO] [stderr]      3:     0x564c5f3234ed - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h606862f787600875
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:45:22
[INFO] [stderr]      4:     0x564c5f345bcc - core::fmt::write::he803f0f418caf762
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/fmt/mod.rs:1190:17
[INFO] [stderr]      5:     0x564c5f31e5a8 - std::io::Write::write_fmt::h70bc45872f37e7bb
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/io/mod.rs:1657:15
[INFO] [stderr]      6:     0x564c5f3257c7 - std::sys_common::backtrace::_print::h64d038cf8ac3e13e
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:48:5
[INFO] [stderr]      7:     0x564c5f3257c7 - std::sys_common::backtrace::print::h359300b4a7fccf65
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:35:9
[INFO] [stderr]      8:     0x564c5f3257c7 - std::panicking::default_hook::{{closure}}::hf51be35e2f510149
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:295:22
[INFO] [stderr]      9:     0x564c5f325490 - std::panicking::default_hook::h03ca0f22e1d2d25e
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:314:9
[INFO] [stderr]     10:     0x564c5f325f19 - std::panicking::rust_panic_with_hook::h3b7380e99b825b63
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:698:17
[INFO] [stderr]     11:     0x564c5f325c07 - std::panicking::begin_panic_handler::{{closure}}::h8e849d0710154ce0
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:588:13
[INFO] [stderr]     12:     0x564c5f3239b4 - std::sys_common::backtrace::__rust_end_short_backtrace::hedcdaddbd4c46cc5
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:138:18
[INFO] [stderr]     13:     0x564c5f325919 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:584:5
[INFO] [stderr]     14:     0x564c5f2a0483 - core::panicking::panic_fmt::he1bbc7336d49a357
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/panicking.rs:143:14
[INFO] [stderr]     15:     0x564c5f344cd1 - core::panicking::panic_display::hb184394d54dc8360
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/panicking.rs:73:5
[INFO] [stderr]     16:     0x564c5f344c7b - core::panicking::panic_str::ha42887cd972750c9
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/panicking.rs:56:5
[INFO] [stderr]     17:     0x564c5f2a02f6 - core::option::expect_failed::h9159c9d16ed9fb7c
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/option.rs:1852:5
[INFO] [stderr]     18:     0x564c5f2a26f8 - core::option::Option<T>::expect::h78032e7316f37c07
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/option.rs:715:21
[INFO] [stderr]     19:     0x564c5f2a150f - build_script_build::main::h5b8bb42bdf391cf4
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:33:25
[INFO] [stderr]     20:     0x564c5f2a1ddb - core::ops::function::FnOnce::call_once::hba0a20d624262c16
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     21:     0x564c5f2a2d9e - std::sys_common::backtrace::__rust_begin_short_backtrace::h74ea23cfbcaa6fa6
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:122:18
[INFO] [stderr]     22:     0x564c5f2a1f31 - std::rt::lang_start::{{closure}}::h473fd93a925a54dd
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/rt.rs:145:18
[INFO] [stderr]     23:     0x564c5f322bd1 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hb7014f43484a8b4e
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     24:     0x564c5f322bd1 - std::panicking::try::do_call::h7bc9dc436daeb8c7
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:492:40
[INFO] [stderr]     25:     0x564c5f322bd1 - std::panicking::try::h653d68a27ff5f175
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:456:19
[INFO] [stderr]     26:     0x564c5f322bd1 - std::panic::catch_unwind::h9d739f9f59895e68
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panic.rs:137:14
[INFO] [stderr]     27:     0x564c5f322bd1 - std::rt::lang_start_internal::{{closure}}::hf006f2bc7ce22bbe
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/rt.rs:128:48
[INFO] [stderr]     28:     0x564c5f322bd1 - std::panicking::try::do_call::hfb39d6df61a2e69f
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:492:40
[INFO] [stderr]     29:     0x564c5f322bd1 - std::panicking::try::h13e2d225134958ac
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:456:19
[INFO] [stderr]     30:     0x564c5f322bd1 - std::panic::catch_unwind::h3bd49b5a5dfb1a50
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panic.rs:137:14
[INFO] [stderr]     31:     0x564c5f322bd1 - std::rt::lang_start_internal::h2ba92edce36c035e
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/rt.rs:128:20
[INFO] [stderr]     32:     0x564c5f2a1f00 - std::rt::lang_start::h908185cf978896ca
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/rt.rs:144:17
[INFO] [stderr]     33:     0x564c5f2a18ac - main
[INFO] [stderr]     34:     0x7fc2061a30b3 - __libc_start_main
[INFO] [stderr]     35:     0x564c5f2a0c5e - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "89ad50afbb4bf912b2438ce5f394e33dbb4f0e2afb18ef48909b740047bed87f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89ad50afbb4bf912b2438ce5f394e33dbb4f0e2afb18ef48909b740047bed87f", kill_on_drop: false }`
[INFO] [stdout] 89ad50afbb4bf912b2438ce5f394e33dbb4f0e2afb18ef48909b740047bed87f