[INFO] cloning repository https://github.com/HappyDustbunny/fern [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HappyDustbunny/fern" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHappyDustbunny%2Ffern", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHappyDustbunny%2Ffern'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c1269b509f8759110724eb87fadacd4081d82dae [INFO] checking HappyDustbunny/fern/c1269b509f8759110724eb87fadacd4081d82dae against master#2dece5bb62f234f5622a08289c5a3d1555cd7843 for pr-132325 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHappyDustbunny%2Ffern" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/HappyDustbunny/fern on toolchain 2dece5bb62f234f5622a08289c5a3d1555cd7843 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2dece5bb62f234f5622a08289c5a3d1555cd7843" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/HappyDustbunny/fern [INFO] finished tweaking git repo https://github.com/HappyDustbunny/fern [INFO] tweaked toml for git repo https://github.com/HappyDustbunny/fern written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/HappyDustbunny/fern 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" "+2dece5bb62f234f5622a08289c5a3d1555cd7843" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded objc_exception v0.1.1 [INFO] [stderr] Downloaded vulkano-win v0.13.0 [INFO] [stderr] Downloaded half v1.3.0 [INFO] [stderr] Downloaded vk-sys v0.4.0 [INFO] [stderr] Downloaded rustc-hash v1.0.1 [INFO] [stderr] Downloaded daggy v0.5.0 [INFO] [stderr] Downloaded piston-viewport v0.5.0 [INFO] [stderr] Downloaded crossbeam v0.7.2 [INFO] [stderr] Downloaded conrod_vulkano v0.66.0 [INFO] [stderr] Downloaded fixedbitset v0.1.9 [INFO] [stderr] Downloaded moltenvk_deps v0.1.8 [INFO] [stderr] Downloaded blake2b_simd v0.5.6 [INFO] [stderr] Downloaded pennereq v0.3.0 [INFO] [stderr] Downloaded num-complex v0.2.3 [INFO] [stderr] Downloaded cmake v0.1.41 [INFO] [stderr] Downloaded env_perm v0.1.3 [INFO] [stderr] Downloaded vulkano-shaders v0.13.0 [INFO] [stderr] Downloaded instant v0.1.1 [INFO] [stderr] Downloaded conrod_derive v0.66.0 [INFO] [stderr] Downloaded conrod_winit v0.66.0 [INFO] [stderr] Downloaded num v0.2.0 [INFO] [stderr] Downloaded openssl-sys v0.9.48 [INFO] [stderr] Downloaded pistoncore-input v0.24.0 [INFO] [stderr] Downloaded curl v0.4.22 [INFO] [stderr] Downloaded vulkano v0.13.0 [INFO] [stderr] Downloaded petgraph v0.4.13 [INFO] [stderr] Downloaded image v0.21.2 [INFO] [stderr] Downloaded daggy v0.6.0 [INFO] [stderr] Downloaded parking_lot_core v0.3.1 [INFO] [stderr] Downloaded conrod_core v0.66.0 [INFO] [stderr] Downloaded rust-argon2 v0.5.0 [INFO] [stderr] Downloaded noise v0.5.1 [INFO] [stderr] Downloaded crossbeam-epoch v0.6.1 [INFO] [stderr] Downloaded getrandom v0.1.8 [INFO] [stderr] Downloaded num-bigint v0.2.2 [INFO] [stderr] Downloaded png v0.14.1 [INFO] [stderr] Downloaded palette_derive v0.4.1 [INFO] [stderr] Downloaded crossbeam v0.5.0 [INFO] [stderr] Downloaded metal v0.13.1 [INFO] [stderr] Downloaded shaderc v0.5.1 [INFO] [stderr] Downloaded tiff v0.2.2 [INFO] [stderr] Downloaded libz-sys v1.0.25 [INFO] [stderr] Downloaded nannou v0.10.0 [INFO] [stderr] Downloaded curl-sys v0.4.20 [INFO] [stderr] Downloaded pbr v1.0.1 [INFO] [stderr] Downloaded shaderc-sys v0.5.1 [INFO] [stderr] Downloaded palette v0.4.1 [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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+2dece5bb62f234f5622a08289c5a3d1555cd7843" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8169dcac388a35c0e6452e9bb96361d76e2f0d9c3e04db5da4482c565ed10ef1 [INFO] running `Command { std: "docker" "start" "-a" "8169dcac388a35c0e6452e9bb96361d76e2f0d9c3e04db5da4482c565ed10ef1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8169dcac388a35c0e6452e9bb96361d76e2f0d9c3e04db5da4482c565ed10ef1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8169dcac388a35c0e6452e9bb96361d76e2f0d9c3e04db5da4482c565ed10ef1", kill_on_drop: false }` [INFO] [stdout] 8169dcac388a35c0e6452e9bb96361d76e2f0d9c3e04db5da4482c565ed10ef1 [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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+2dece5bb62f234f5622a08289c5a3d1555cd7843" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 210fe10e601242a5408aa498b57708cd9b3e6728e6793ef6a31e1f192bd7efc2 [INFO] running `Command { std: "docker" "start" "-a" "210fe10e601242a5408aa498b57708cd9b3e6728e6793ef6a31e1f192bd7efc2", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.5 [INFO] [stderr] Compiling libc v0.2.60 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling arrayvec v0.4.11 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling cc v1.0.38 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling xml-rs v0.8.0 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking adler32 v1.0.3 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Compiling serde v1.0.98 [INFO] [stderr] Checking linked-hash-map v0.5.2 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling rayon-core v1.5.0 [INFO] [stderr] Compiling num-bigint v0.2.2 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Compiling cmake v0.1.41 [INFO] [stderr] Compiling num-rational v0.2.2 [INFO] [stderr] Checking rustc-hash v1.0.1 [INFO] [stderr] Checking stb_truetype v0.2.6 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Compiling wayland-scanner v0.21.13 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Checking smallvec v0.6.10 [INFO] [stderr] Compiling parking_lot_core v0.5.0 [INFO] [stderr] Checking num_cpus v1.10.1 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Checking deflate v0.7.20 [INFO] [stderr] Compiling num-complex v0.2.3 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Checking downcast-rs v1.0.4 [INFO] [stderr] Checking fixedbitset v0.1.9 [INFO] [stderr] Checking either v1.5.2 [INFO] [stderr] Compiling pkg-config v0.3.15 [INFO] [stderr] Checking same-file v1.0.5 [INFO] [stderr] Checking color_quant v1.0.1 [INFO] [stderr] Compiling libloading v0.5.2 [INFO] [stderr] Compiling shaderc-sys v0.5.1 [INFO] [stderr] Checking petgraph v0.4.13 [INFO] [stderr] Compiling parking_lot v0.8.0 [INFO] [stderr] Checking walkdir v2.2.9 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking crossbeam-deque v0.6.3 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Checking piston-float v0.3.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling vulkano v0.13.0 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking ordered-float v1.0.2 [INFO] [stderr] Checking approx v0.3.2 [INFO] [stderr] The following warnings were emitted during compilation: [INFO] [stderr] [INFO] [stderr] warning: shaderc-sys@0.5.1: Checking for system installed libraries. Use --features = build-from-source to disable this behavior [INFO] [stderr] warning: shaderc-sys@0.5.1: Pre-built library not found. Falling back to from-source build [INFO] [stderr] [INFO] [stderr] error: failed to run custom build command for `shaderc-sys v0.5.1` [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-sys-c776c3d4cc3e188e/build-script-build` (exit status: 101) [INFO] [stderr] --- stdout [INFO] [stderr] cargo:warning=Checking for system installed libraries. Use --features = build-from-source to disable this behavior [INFO] [stderr] cargo:warning=Pre-built library not found. Falling back to from-source build [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/shaderc-sys-0.5.1/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: 0x57d5ebc1da0a - std::backtrace_rs::backtrace::libunwind::trace::h03255a97dca914ab [INFO] [stderr] at /rustc/2dece5bb62f234f5622a08289c5a3d1555cd7843/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5 [INFO] [stderr] 1: 0x57d5ebc1da0a - std::backtrace_rs::backtrace::trace_unsynchronized::h173914bc998f729b [INFO] [stderr] at /rustc/2dece5bb62f234f5622a08289c5a3d1555cd7843/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x57d5ebc1da0a - std::sys::backtrace::_print_fmt::h204fde0cad22bbfe [INFO] [stderr] at /rustc/2dece5bb62f234f5622a08289c5a3d1555cd7843/library/std/src/sys/backtrace.rs:66:9 [INFO] [stderr] 3: 0x57d5ebc1da0a - ::fmt::h424bad1b19734d1b [INFO] [stderr] at /rustc/2dece5bb62f234f5622a08289c5a3d1555cd7843/library/std/src/sys/backtrace.rs:39:26 [INFO] [stderr] 4: 0x57d5ebc40a93 - core::fmt::rt::Argument::fmt::h9dfa926805b0411d [INFO] [stderr] at /rustc/2dece5bb62f234f5622a08289c5a3d1555cd7843/library/core/src/fmt/rt.rs:177:76 [INFO] [stderr] 5: 0x57d5ebc40a93 - core::fmt::write::ha4a9083fc4c406ae [INFO] [stderr] at /rustc/2dece5bb62f234f5622a08289c5a3d1555cd7843/library/core/src/fmt/mod.rs:1190:21 [INFO] [stderr] 6: 0x57d5ebc1a1f3 - std::io::Write::write_fmt::h552a9d7004f00611 [INFO] [stderr] at /rustc/2dece5bb62f234f5622a08289c5a3d1555cd7843/library/std/src/io/mod.rs:1839:15 [INFO] [stderr] 7: 0x57d5ebc1d852 - std::sys::backtrace::BacktraceLock::print::h252a40e6d0cab2f1 [INFO] [stderr] at /rustc/2dece5bb62f234f5622a08289c5a3d1555cd7843/library/std/src/sys/backtrace.rs:42:9 [INFO] [stderr] 8: 0x57d5ebc1ea4c - std::panicking::default_hook::{{closure}}::h522a9f0d61156d7e [INFO] [stderr] at /rustc/2dece5bb62f234f5622a08289c5a3d1555cd7843/library/std/src/panicking.rs:268:22 [INFO] [stderr] 9: 0x57d5ebc1e892 - std::panicking::default_hook::h869b7beb3e8e3e40 [INFO] [stderr] at /rustc/2dece5bb62f234f5622a08289c5a3d1555cd7843/library/std/src/panicking.rs:295:9 [INFO] [stderr] 10: 0x57d5ebc1f047 - std::panicking::rust_panic_with_hook::hf02f25dac5420b1f [INFO] [stderr] at /rustc/2dece5bb62f234f5622a08289c5a3d1555cd7843/library/std/src/panicking.rs:801:13 [INFO] [stderr] 11: 0x57d5ebc1eeda - std::panicking::begin_panic_handler::{{closure}}::hdcd6bf31c44a6ea3 [INFO] [stderr] at /rustc/2dece5bb62f234f5622a08289c5a3d1555cd7843/library/std/src/panicking.rs:674:13 [INFO] [stderr] 12: 0x57d5ebc1dee9 - std::sys::backtrace::__rust_end_short_backtrace::h14e1de4dab0f67bf [INFO] [stderr] at /rustc/2dece5bb62f234f5622a08289c5a3d1555cd7843/library/std/src/sys/backtrace.rs:170:18 [INFO] [stderr] 13: 0x57d5ebc1eb6c - rust_begin_unwind [INFO] [stderr] at /rustc/2dece5bb62f234f5622a08289c5a3d1555cd7843/library/std/src/panicking.rs:665:5 [INFO] [stderr] 14: 0x57d5ebc3f8e0 - core::panicking::panic_fmt::h2b17c61cf03d91dc [INFO] [stderr] at /rustc/2dece5bb62f234f5622a08289c5a3d1555cd7843/library/core/src/panicking.rs:75:14 [INFO] [stderr] 15: 0x57d5ebbb4233 - build_script_build::cmd_finder::CommandFinder::must_have::{{closure}}::he1824194246358ed [INFO] [stderr] 16: 0x57d5ebbb1bc3 - core::option::Option::unwrap_or_else::hb15a9aee14e24b0a [INFO] [stderr] 17: 0x57d5ebbb419c - build_script_build::cmd_finder::CommandFinder::must_have::h9c09200490d36733 [INFO] [stderr] 18: 0x57d5ebbb6747 - build_script_build::main::h041be3a6483bf794 [INFO] [stderr] 19: 0x57d5ebbb14a3 - core::ops::function::FnOnce::call_once::h7f633a18b266d141 [INFO] [stderr] 20: 0x57d5ebbb0d56 - std::sys::backtrace::__rust_begin_short_backtrace::h0351ca2501ba6389 [INFO] [stderr] 21: 0x57d5ebbb0cb9 - std::rt::lang_start::{{closure}}::h59ffae6a9c8987f6 [INFO] [stderr] 22: 0x57d5ebc16877 - core::ops::function::impls:: for &F>::call_once::h85f9cef76787b40d [INFO] [stderr] at /rustc/2dece5bb62f234f5622a08289c5a3d1555cd7843/library/core/src/ops/function.rs:284:13 [INFO] [stderr] 23: 0x57d5ebc16877 - std::panicking::try::do_call::hda47df144b0c5e8f [INFO] [stderr] at /rustc/2dece5bb62f234f5622a08289c5a3d1555cd7843/library/std/src/panicking.rs:557:40 [INFO] [stderr] 24: 0x57d5ebc16877 - std::panicking::try::h2120b1fd5d8c3745 [INFO] [stderr] at /rustc/2dece5bb62f234f5622a08289c5a3d1555cd7843/library/std/src/panicking.rs:520:19 [INFO] [stderr] 25: 0x57d5ebc16877 - std::panic::catch_unwind::hf3aed0489e8fc804 [INFO] [stderr] at /rustc/2dece5bb62f234f5622a08289c5a3d1555cd7843/library/std/src/panic.rs:358:14 [INFO] [stderr] 26: 0x57d5ebc16877 - std::rt::lang_start_internal::{{closure}}::h3030c20236d2de9b [INFO] [stderr] at /rustc/2dece5bb62f234f5622a08289c5a3d1555cd7843/library/std/src/rt.rs:174:48 [INFO] [stderr] 27: 0x57d5ebc16877 - std::panicking::try::do_call::ha69a7129a0f60556 [INFO] [stderr] at /rustc/2dece5bb62f234f5622a08289c5a3d1555cd7843/library/std/src/panicking.rs:557:40 [INFO] [stderr] 28: 0x57d5ebc16877 - std::panicking::try::hea831c0e26f8b6a4 [INFO] [stderr] at /rustc/2dece5bb62f234f5622a08289c5a3d1555cd7843/library/std/src/panicking.rs:520:19 [INFO] [stderr] 29: 0x57d5ebc16877 - std::panic::catch_unwind::h7feeeadb58a42337 [INFO] [stderr] at /rustc/2dece5bb62f234f5622a08289c5a3d1555cd7843/library/std/src/panic.rs:358:14 [INFO] [stderr] 30: 0x57d5ebc16877 - std::rt::lang_start_internal::h9e26c990d3e44f73 [INFO] [stderr] at /rustc/2dece5bb62f234f5622a08289c5a3d1555cd7843/library/std/src/rt.rs:174:20 [INFO] [stderr] 31: 0x57d5ebbb0c97 - std::rt::lang_start::h77aa321ccb5e52fa [INFO] [stderr] 32: 0x57d5ebbb73e5 - main [INFO] [stderr] 33: 0x7db577d82d90 - [INFO] [stderr] 34: 0x7db577d82e40 - __libc_start_main [INFO] [stderr] 35: 0x57d5ebbb0545 - _start [INFO] [stderr] 36: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "210fe10e601242a5408aa498b57708cd9b3e6728e6793ef6a31e1f192bd7efc2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "210fe10e601242a5408aa498b57708cd9b3e6728e6793ef6a31e1f192bd7efc2", kill_on_drop: false }` [INFO] [stdout] 210fe10e601242a5408aa498b57708cd9b3e6728e6793ef6a31e1f192bd7efc2