[INFO] fetching crate e-nguyen 0.1.2...
[INFO] checking e-nguyen-0.1.2 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate e-nguyen 0.1.2 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate e-nguyen 0.1.2 on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate e-nguyen 0.1.2
[INFO] finished tweaking crates.io crate e-nguyen 0.1.2
[INFO] tweaked toml for crates.io crate e-nguyen 0.1.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam-epoch v0.7.2
[INFO] [stderr]   Downloaded vk-sys v0.4.0
[INFO] [stderr]   Downloaded vulkano-win v0.11.1
[INFO] [stderr]   Downloaded crossbeam-deque v0.6.3
[INFO] [stderr]   Downloaded transpose v0.1.0
[INFO] [stderr]   Downloaded crossbeam v0.5.0
[INFO] [stderr]   Downloaded vulkano-shaders v0.11.1
[INFO] [stderr]   Downloaded rustfft v3.0.1
[INFO] [stderr]   Downloaded crossbeam-epoch v0.6.1
[INFO] [stderr]   Downloaded docopt v1.1.1
[INFO] [stderr]   Downloaded libpulse-sys v1.21.0
[INFO] [stderr]   Downloaded arrayvec v0.4.12
[INFO] [stderr]   Downloaded libpulse-binding v2.28.1
[INFO] [stderr]   Downloaded vulkano v0.11.1
[INFO] [stderr]   Downloaded metal v0.13.1
[INFO] [stderr]   Downloaded shaderc v0.3.16
[INFO] [stderr]   Downloaded vulkano-glyph v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37136b23f196a7a5beed32a24ccdc1da4a256b62ddc414b07ce45dfa5a8b99da
[INFO] running `Command { std: "docker" "start" "-a" "37136b23f196a7a5beed32a24ccdc1da4a256b62ddc414b07ce45dfa5a8b99da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37136b23f196a7a5beed32a24ccdc1da4a256b62ddc414b07ce45dfa5a8b99da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37136b23f196a7a5beed32a24ccdc1da4a256b62ddc414b07ce45dfa5a8b99da", kill_on_drop: false }`
[INFO] [stdout] 37136b23f196a7a5beed32a24ccdc1da4a256b62ddc414b07ce45dfa5a8b99da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40915c4dea2996c34e28a954698008f422cf2d30d89322945ae93279bae9c168
[INFO] running `Command { std: "docker" "start" "-a" "40915c4dea2996c34e28a954698008f422cf2d30d89322945ae93279bae9c168", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling xml-rs v0.8.19
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling syn v2.0.53
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking wayland-sys v0.21.13
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rayon v1.9.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking xdg v2.5.2
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling vulkano v0.11.1
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]    Compiling libpulse-sys v1.21.0
[INFO] [stderr]     Checking crossbeam v0.5.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking vk-sys v0.4.0
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling vulkano-glyph v0.4.0
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling shaderc v0.3.16
[INFO] [stderr]     Checking png v0.14.1
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking transpose v0.1.0
[INFO] [stderr]     Checking strength_reduce v0.2.4
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[INFO] [stderr]     Checking rustfft v3.0.1
[INFO] [stderr]    Compiling wayland-client v0.21.13
[INFO] [stderr]    Compiling wayland-protocols v0.21.13
[INFO] [stderr] error: failed to run custom build command for `shaderc v0.3.16`
[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/shaderc-baf849ffa41e9056/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/shaderc-0.3.16/build/cmd_finder.rs:45:13:
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   couldn't find required command: "python"
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x560569354be4 - std::backtrace_rs::backtrace::libunwind::trace::h3da9427eac6b2713
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stderr]      1:     0x560569354be4 - std::backtrace_rs::backtrace::trace_unsynchronized::h8b6ad79cb60b1f10
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x560569354be4 - std::sys_common::backtrace::_print_fmt::h0332dac066d13bb4
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]      3:     0x560569354be4 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::ha53f24802e841e78
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x560569378cdc - core::fmt::rt::Argument::fmt::hb7cd99f2796dbda9
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/core/src/fmt/rt.rs:142:9
[INFO] [stderr]      5:     0x560569378cdc - core::fmt::write_internal::hd9480cc81e0db946
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/core/src/fmt/mod.rs:1143:17
[INFO] [stderr]      6:     0x560569351ca7 - core::fmt::write::hc9b13aa14bb399e7
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/core/src/fmt/mod.rs:1125:67
[INFO] [stderr]      7:     0x560569351ca7 - std::io::Write::write_fmt::h7f190ab8bb73d292
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/io/mod.rs:1846:15
[INFO] [stderr]      8:     0x560569354994 - std::sys_common::backtrace::_print::h4dfa85ce29f289cd
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      9:     0x560569354994 - std::sys_common::backtrace::print::h075bb0820ca1af60
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]     10:     0x560569355f6b - std::panicking::default_hook::{{closure}}::h2868146f5a47a8b0
[INFO] [stderr]     11:     0x560569355cc7 - std::panicking::default_hook::h75759d10d3c62529
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/panicking.rs:292:9
[INFO] [stderr]     12:     0x56056935643d - std::panicking::rust_panic_with_hook::h96d9580203cd93f6
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/panicking.rs:779:13
[INFO] [stderr]     13:     0x560569356312 - std::panicking::begin_panic_handler::{{closure}}::h99fe5817649d74e2
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/panicking.rs:657:13
[INFO] [stderr]     14:     0x5605693550b6 - std::sys_common::backtrace::__rust_end_short_backtrace::hec38ffed74bfdff4
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]     15:     0x560569356014 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/panicking.rs:645:5
[INFO] [stderr]     16:     0x5605692c5105 - core::panicking::panic_fmt::hef2c7eb118bd8e9b
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/core/src/panicking.rs:72:14
[INFO] [stderr]     17:     0x5605692cbdd6 - build_script_build::cmd_finder::CommandFinder::must_have::{{closure}}::hd83b83599a106f2b
[INFO] [stderr]     18:     0x5605692c9653 - core::option::Option<T>::unwrap_or_else::h8f8de8c296727413
[INFO] [stderr]     19:     0x5605692cbd38 - build_script_build::cmd_finder::CommandFinder::must_have::h32cb3021579354df
[INFO] [stderr]     20:     0x5605692cc492 - build_script_build::main::h3533a6f01103f31d
[INFO] [stderr]     21:     0x5605692c8db3 - core::ops::function::FnOnce::call_once::hf4b034c504086183
[INFO] [stderr]     22:     0x5605692c7df6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h094f46b8a1cf4ee8
[INFO] [stderr]     23:     0x5605692c84e9 - std::rt::lang_start::{{closure}}::h5f05504b680a8bf9
[INFO] [stderr]     24:     0x56056934de43 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hd6488a2c974ca719
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     25:     0x56056934de43 - std::panicking::try::do_call::hff3b4848e08a12d1
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/panicking.rs:552:40
[INFO] [stderr]     26:     0x56056934de43 - std::panicking::try::h8353a4dfa2f5a00f
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/panicking.rs:516:19
[INFO] [stderr]     27:     0x56056934de43 - std::panic::catch_unwind::h2e8a9f6c47367d26
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/panic.rs:146:14
[INFO] [stderr]     28:     0x56056934de43 - std::rt::lang_start_internal::{{closure}}::ha0861aba81fd1864
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/rt.rs:148:48
[INFO] [stderr]     29:     0x56056934de43 - std::panicking::try::do_call::hbeaa0ec31679b9c5
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/panicking.rs:552:40
[INFO] [stderr]     30:     0x56056934de43 - std::panicking::try::h72d757b913472f73
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/panicking.rs:516:19
[INFO] [stderr]     31:     0x56056934de43 - std::panic::catch_unwind::h96f93e52837969a1
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/panic.rs:146:14
[INFO] [stderr]     32:     0x56056934de43 - std::rt::lang_start_internal::h217e3c78cd070052
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/rt.rs:148:20
[INFO] [stderr]     33:     0x5605692c84c7 - std::rt::lang_start::h81dd673b3d27170e
[INFO] [stderr]     34:     0x5605692ccf25 - main
[INFO] [stderr]     35:     0x7f4784711d90 - <unknown>
[INFO] [stderr]     36:     0x7f4784711e40 - __libc_start_main
[INFO] [stderr]     37:     0x5605692c5725 - _start
[INFO] [stderr]     38:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "40915c4dea2996c34e28a954698008f422cf2d30d89322945ae93279bae9c168", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40915c4dea2996c34e28a954698008f422cf2d30d89322945ae93279bae9c168", kill_on_drop: false }`
[INFO] [stdout] 40915c4dea2996c34e28a954698008f422cf2d30d89322945ae93279bae9c168
