[INFO] fetching crate custos-math 0.6.3...
[INFO] checking custos-math-0.6.3 against try#264a7c4a1c917c83d13895a31231f9d93c7b67e1 for pr-132289
[INFO] extracting crate custos-math 0.6.3 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate custos-math 0.6.3 on toolchain 264a7c4a1c917c83d13895a31231f9d93c7b67e1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+264a7c4a1c917c83d13895a31231f9d93c7b67e1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate custos-math 0.6.3
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate custos-math 0.6.3
[INFO] tweaked toml for crates.io crate custos-math 0.6.3 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate custos-math 0.6.3 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" "+264a7c4a1c917c83d13895a31231f9d93c7b67e1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+264a7c4a1c917c83d13895a31231f9d93c7b67e1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] daf499e4ca46dfd48acc9fff264514db8a4af32321e2a77e7c61eb11d70cd174
[INFO] running `Command { std: "docker" "start" "-a" "daf499e4ca46dfd48acc9fff264514db8a4af32321e2a77e7c61eb11d70cd174", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "daf499e4ca46dfd48acc9fff264514db8a4af32321e2a77e7c61eb11d70cd174", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daf499e4ca46dfd48acc9fff264514db8a4af32321e2a77e7c61eb11d70cd174", kill_on_drop: false }`
[INFO] [stdout] daf499e4ca46dfd48acc9fff264514db8a4af32321e2a77e7c61eb11d70cd174
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+264a7c4a1c917c83d13895a31231f9d93c7b67e1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5367a6352bab3eb38950461ae75ee488635206e95ea6336e8dafd357063dbefc
[INFO] running `Command { std: "docker" "start" "-a" "5367a6352bab3eb38950461ae75ee488635206e95ea6336e8dafd357063dbefc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling min-cl v0.1.2
[INFO] [stderr]    Compiling custos-math v0.6.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling custos v0.6.3
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.51/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: failed to run custom build command for `custos v0.6.3`
[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-417cdc660afbf143/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]   thread 'main' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/custos-0.6.3/build.rs:50:29:
[INFO] [stderr]   Could not get an OpenCL device (at index 0).
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x61e980c3618a - std::backtrace_rs::backtrace::libunwind::trace::h33a4b5cb14f757d6
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stderr]      1:     0x61e980c3618a - std::backtrace_rs::backtrace::trace_unsynchronized::h20236e6e99fbf845
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x61e980c3618a - std::sys::backtrace::_print_fmt::h704a42900622727d
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x61e980c3618a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h283eae59a9b611a1
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x61e980c521f3 - core::fmt::rt::Argument::fmt::h6c00b32d62994027
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/core/src/fmt/rt.rs:177:76
[INFO] [stderr]      5:     0x61e980c521f3 - core::fmt::write::h04a7af682e3a5030
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/core/src/fmt/mod.rs:1190:21
[INFO] [stderr]      6:     0x61e980c33993 - std::io::Write::write_fmt::h787129c86330d3f6
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/io/mod.rs:1839:15
[INFO] [stderr]      7:     0x61e980c35fd2 - std::sys::backtrace::BacktraceLock::print::h0ad674a5464d4d8f
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      8:     0x61e980c36f9c - std::panicking::default_hook::{{closure}}::habb0c364c1c20b27
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/panicking.rs:268:22
[INFO] [stderr]      9:     0x61e980c36de2 - std::panicking::default_hook::hac494c5ce8f5f3b1
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/panicking.rs:295:9
[INFO] [stderr]     10:     0x61e980c37597 - std::panicking::rust_panic_with_hook::h2c87df020c0f53ac
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/panicking.rs:801:13
[INFO] [stderr]     11:     0x61e980c3742a - std::panicking::begin_panic_handler::{{closure}}::hd3013344bba6ae59
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/panicking.rs:674:13
[INFO] [stderr]     12:     0x61e980c36669 - std::sys::backtrace::__rust_end_short_backtrace::haa6c749264ccc436
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/sys/backtrace.rs:170:18
[INFO] [stderr]     13:     0x61e980c370bc - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/panicking.rs:665:5
[INFO] [stderr]     14:     0x61e980c51530 - core::panicking::panic_fmt::h181fac25833ccaef
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/core/src/panicking.rs:75:14
[INFO] [stderr]     15:     0x61e980c11e5c - build_script_build::has_device_unified_mem::{{closure}}::h0f917d24cfc36dac
[INFO] [stderr]     16:     0x61e980c111ea - core::result::Result<T,E>::unwrap_or_else::h01fe2cb8e8fb4bc4
[INFO] [stderr]     17:     0x61e980c11d0c - build_script_build::has_device_unified_mem::h86fefc3484ee7fd1
[INFO] [stderr]     18:     0x61e980c11854 - build_script_build::main::h0641af3b9d8ddf6c
[INFO] [stderr]     19:     0x61e980c10c33 - core::ops::function::FnOnce::call_once::hfa108e6c10c84c12
[INFO] [stderr]     20:     0x61e980c10b66 - std::sys::backtrace::__rust_begin_short_backtrace::ha10417951dfc5fef
[INFO] [stderr]     21:     0x61e980c10ac9 - std::rt::lang_start::{{closure}}::hc77f7bd489221506
[INFO] [stderr]     22:     0x61e980c315a7 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h7866e7c14eb62dd7
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     23:     0x61e980c315a7 - std::panicking::try::do_call::h61717c7d0356fae2
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/panicking.rs:557:40
[INFO] [stderr]     24:     0x61e980c315a7 - std::panicking::try::h37605684fa1e1290
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/panicking.rs:520:19
[INFO] [stderr]     25:     0x61e980c315a7 - std::panic::catch_unwind::h8ee9a8d09b7b2992
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/panic.rs:358:14
[INFO] [stderr]     26:     0x61e980c315a7 - std::rt::lang_start_internal::{{closure}}::h752ec735c0d502db
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/rt.rs:174:48
[INFO] [stderr]     27:     0x61e980c315a7 - std::panicking::try::do_call::h38bf770a6697f52c
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/panicking.rs:557:40
[INFO] [stderr]     28:     0x61e980c315a7 - std::panicking::try::hd0d07cc7cb0d5575
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/panicking.rs:520:19
[INFO] [stderr]     29:     0x61e980c315a7 - std::panic::catch_unwind::h589925d957b4a61b
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/panic.rs:358:14
[INFO] [stderr]     30:     0x61e980c315a7 - std::rt::lang_start_internal::h426cd8bc95b4b634
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/rt.rs:174:20
[INFO] [stderr]     31:     0x61e980c10aa7 - std::rt::lang_start::h4f5925016989c839
[INFO] [stderr]     32:     0x61e980c11e95 - main
[INFO] [stderr]     33:     0x7705599b5d90 - <unknown>
[INFO] [stderr]     34:     0x7705599b5e40 - __libc_start_main
[INFO] [stderr]     35:     0x61e980c109b5 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "5367a6352bab3eb38950461ae75ee488635206e95ea6336e8dafd357063dbefc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5367a6352bab3eb38950461ae75ee488635206e95ea6336e8dafd357063dbefc", kill_on_drop: false }`
[INFO] [stdout] 5367a6352bab3eb38950461ae75ee488635206e95ea6336e8dafd357063dbefc
