[INFO] fetching crate custos 0.7.0...
[INFO] testing custos-0.7.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate custos 0.7.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate custos 0.7.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate custos 0.7.0
[INFO] tweaked toml for crates.io crate custos 0.7.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate custos 0.7.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate custos 0.7.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.84
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.84
[INFO] [stderr]   Downloaded windows-targets v0.42.1
[INFO] [stderr]   Downloaded gpu-alloc v0.5.3
[INFO] [stderr]   Downloaded profiling v1.0.7
[INFO] [stderr]   Downloaded futures-core v0.3.26
[INFO] [stderr]   Downloaded pollster v0.3.0
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.34
[INFO] [stderr]   Downloaded raw-window-handle v0.5.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.56
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.84
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.84
[INFO] [stderr]   Downloaded custos-macro v0.1.1
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.84
[INFO] [stderr]   Downloaded web-sys v0.3.61
[INFO] [stderr]   Downloaded syn v2.0.15
[INFO] [stderr]   Downloaded libm v0.2.6
[INFO] [stderr]   Downloaded min-cl v0.2.0
[INFO] [stderr]   Downloaded wgpu-types v0.15.1
[INFO] [stderr]   Downloaded ash v0.37.2+1.3.238
[INFO] [stderr]   Downloaded js-sys v0.3.61
[INFO] [stderr]   Downloaded glow v0.12.0
[INFO] [stderr]   Downloaded wgpu-hal v0.15.2
[INFO] [stderr]   Downloaded naga v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b623383d58a77b4208e2016abe04c8e6370beb32202550b9ad72509ef703e6a2
[INFO] running `Command { std: "docker" "start" "-a" "b623383d58a77b4208e2016abe04c8e6370beb32202550b9ad72509ef703e6a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b623383d58a77b4208e2016abe04c8e6370beb32202550b9ad72509ef703e6a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b623383d58a77b4208e2016abe04c8e6370beb32202550b9ad72509ef703e6a2", kill_on_drop: false }`
[INFO] [stdout] b623383d58a77b4208e2016abe04c8e6370beb32202550b9ad72509ef703e6a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 037a21f24687e2669567d0649d614bc5700971f492e2d2fa00b60d4adaf5cc3c
[INFO] running `Command { std: "docker" "start" "-a" "037a21f24687e2669567d0649d614bc5700971f492e2d2fa00b60d4adaf5cc3c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling min-cl v0.2.0
[INFO] [stderr]    Compiling custos v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `custos v0.7.0 (/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/custos-0119af59a1206e63/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-env-changed=CUSTOS_CL_DEVICE_IDX
[INFO] [stderr]   cargo:rerun-if-env-changed=CUSTOS_CU_DEVICE_IDX
[INFO] [stderr]   cargo:rerun-if-env-changed=CUSTOS_USE_UNIFIED
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' panicked at build.rs:50:29:
[INFO] [stderr]   Could not get an OpenCL device (at index 0). Set `CUSTOS_CL_DEVICE_IDX` to a valid device index.
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5ad0b44ae132 - std::backtrace_rs::backtrace::libunwind::trace::h2d45396358f41939
[INFO] [stderr]                                  at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5ad0b44ae132 - std::backtrace_rs::backtrace::trace_unsynchronized::hffcefc0b67f1d6e2
[INFO] [stderr]                                  at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5ad0b44ae132 - std::sys::backtrace::_print_fmt::hd72f71d23b436b92
[INFO] [stderr]                                  at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5ad0b44ae132 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hdcfcb6d4c8489523
[INFO] [stderr]                                  at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5ad0b44c9853 - core::fmt::rt::Argument::fmt::h2c56b3114963061a
[INFO] [stderr]                                  at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x5ad0b44c9853 - core::fmt::write::h8a494366950f23bb
[INFO] [stderr]                                  at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/mod.rs:1468:25
[INFO] [stderr]      6:     0x5ad0b44abd73 - std::io::default_write_fmt::ha27fbccbc65eb6fa
[INFO] [stderr]                                  at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5ad0b44abd73 - std::io::Write::write_fmt::h6556609fca33d0b1
[INFO] [stderr]                                  at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x5ad0b44adf82 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc
[INFO] [stderr]                                  at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x5ad0b44af013 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10
[INFO] [stderr]                                  at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:300:27
[INFO] [stderr]     10:     0x5ad0b44aedf5 - std::panicking::default_hook::h2c66fc99e962531d
[INFO] [stderr]                                  at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:327:9
[INFO] [stderr]     11:     0x5ad0b44af8e5 - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d
[INFO] [stderr]                                  at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:833:13
[INFO] [stderr]     12:     0x5ad0b44af77a - std::panicking::begin_panic_handler::{{closure}}::h30e7cb89678a57fe
[INFO] [stderr]                                  at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:706:13
[INFO] [stderr]     13:     0x5ad0b44ae629 - std::sys::backtrace::__rust_end_short_backtrace::hed60f27456c16ced
[INFO] [stderr]                                  at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x5ad0b44af40d - __rustc[de2ca18b4c54d5b8]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:697:5
[INFO] [stderr]     15:     0x5ad0b44c8d40 - core::panicking::panic_fmt::h62f63d096dd276af
[INFO] [stderr]                                  at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x5ad0b4487822 - build_script_build::has_device_unified_mem::{{closure}}::h74bf1411fa15ad8b
[INFO] [stderr]     17:     0x5ad0b4486c5a - core::result::Result<T,E>::unwrap_or_else::ha7d87365c990721b
[INFO] [stderr]     18:     0x5ad0b448771a - build_script_build::has_device_unified_mem::hd036ec1125b73ca7
[INFO] [stderr]     19:     0x5ad0b4487294 - build_script_build::main::hb0cf828110c3e296
[INFO] [stderr]     20:     0x5ad0b4486383 - core::ops::function::FnOnce::call_once::h64b0c21bbe7de30a
[INFO] [stderr]     21:     0x5ad0b4485d96 - std::sys::backtrace::__rust_begin_short_backtrace::he87bbfb944cb1a32
[INFO] [stderr]     22:     0x5ad0b4485cf9 - std::rt::lang_start::{{closure}}::hd95ee7f1a9f97339
[INFO] [stderr]     23:     0x5ad0b44a9270 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h638295a043b40957
[INFO] [stderr]                                  at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:290:21
[INFO] [stderr]     24:     0x5ad0b44a9270 - std::panicking::catch_unwind::do_call::hbd68098bdea1ca50
[INFO] [stderr]                                  at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stderr]     25:     0x5ad0b44a9270 - std::panicking::catch_unwind::h50591d85bf847c7c
[INFO] [stderr]                                  at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stderr]     26:     0x5ad0b44a9270 - std::panic::catch_unwind::h2487b4c4f2ae22c6
[INFO] [stderr]                                  at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stderr]     27:     0x5ad0b44a9270 - std::rt::lang_start_internal::{{closure}}::h61f0945cc6c9a811
[INFO] [stderr]                                  at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/rt.rs:175:24
[INFO] [stderr]     28:     0x5ad0b44a9270 - std::panicking::catch_unwind::do_call::h34b9c3722acd6bd1
[INFO] [stderr]                                  at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stderr]     29:     0x5ad0b44a9270 - std::panicking::catch_unwind::hf9a822ea043fb0d6
[INFO] [stderr]                                  at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stderr]     30:     0x5ad0b44a9270 - std::panic::catch_unwind::h5b3cac802237ed89
[INFO] [stderr]                                  at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stderr]     31:     0x5ad0b44a9270 - std::rt::lang_start_internal::h34f9328d113fd60a
[INFO] [stderr]                                  at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/rt.rs:171:5
[INFO] [stderr]     32:     0x5ad0b4485ce1 - std::rt::lang_start::h5a277ab12b2ea543
[INFO] [stderr]     33:     0x5ad0b4487855 - main
[INFO] [stderr]     34:     0x7e1ef1e931ca - <unknown>
[INFO] [stderr]     35:     0x7e1ef1e9328b - __libc_start_main
[INFO] [stderr]     36:     0x5ad0b4485bf5 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "037a21f24687e2669567d0649d614bc5700971f492e2d2fa00b60d4adaf5cc3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "037a21f24687e2669567d0649d614bc5700971f492e2d2fa00b60d4adaf5cc3c", kill_on_drop: false }`
[INFO] [stdout] 037a21f24687e2669567d0649d614bc5700971f492e2d2fa00b60d4adaf5cc3c