[INFO] fetching crate megafb 0.0.1...
[INFO] checking megafb-0.0.1 against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] extracting crate megafb 0.0.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate megafb 0.0.1 on toolchain 158f00a1c5175648af6f6099b075f78d1d014a28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate megafb 0.0.1
[INFO] finished tweaking crates.io crate megafb 0.0.1
[INFO] tweaked toml for crates.io crate megafb 0.0.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate megafb 0.0.1 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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded core-video-sys v0.1.3
[INFO] [stderr]   Downloaded xml-rs v0.8.0
[INFO] [stderr]   Downloaded metal v0.15.0
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[INFO] [stderr]   Downloaded dlib v0.4.1
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.48
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.48
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[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.48
[INFO] [stderr]   Downloaded spirv_cross v0.12.1
[INFO] [stderr]   Downloaded libc v0.2.60
[INFO] [stderr]   Downloaded shaderc v0.6.0
[INFO] [stderr]   Downloaded spirv_cross v0.15.0
[INFO] [stderr]   Downloaded d3d12 v0.1.0
[INFO] [stderr]   Downloaded rusttype v0.7.7
[INFO] [stderr]   Downloaded wayland-protocols v0.23.5
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.48
[INFO] [stderr]   Downloaded gfx-backend-dx12 v0.2.1
[INFO] [stderr]   Downloaded gfx-backend-vulkan v0.2.3
[INFO] [stderr]   Downloaded wayland-commons v0.23.5
[INFO] [stderr]   Downloaded wayland-scanner v0.23.5
[INFO] [stderr]   Downloaded js-sys v0.3.25
[INFO] [stderr]   Downloaded parking_lot v0.8.0
[INFO] [stderr]   Downloaded winit v0.20.0-alpha2
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.48
[INFO] [stderr]   Downloaded backtrace v0.3.33
[INFO] [stderr]   Downloaded gfx-hal v0.2.1
[INFO] [stderr]   Downloaded bumpalo v2.5.0
[INFO] [stderr]   Downloaded x11 v2.18.1
[INFO] [stderr]   Downloaded winit v0.19.1
[INFO] [stderr]   Downloaded syn v0.15.40
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[INFO] [stderr]   Downloaded calloop v0.4.4
[INFO] [stderr]   Downloaded downcast-rs v1.0.4
[INFO] [stderr]   Downloaded wayland-sys v0.23.5
[INFO] [stderr]   Downloaded autocfg v0.1.5
[INFO] [stderr]   Downloaded objc v0.2.6
[INFO] [stderr]   Downloaded cmake v0.1.40
[INFO] [stderr]   Downloaded dispatch v0.1.4
[INFO] [stderr]   Downloaded mio-extras v2.0.5
[INFO] [stderr]   Downloaded x11-dl v2.18.3
[INFO] [stderr]   Downloaded parking_lot_core v0.5.0
[INFO] [stderr]   Downloaded rustc-demangle v0.1.15
[INFO] [stderr]   Downloaded wayland-client v0.23.5
[INFO] [stderr]   Downloaded shaderc-sys v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da7af2070a5910208f0ad2afa95d0cbfbfc89104ea2b339eadf1df6426d9e6cb
[INFO] running `Command { std: "docker" "start" "-a" "da7af2070a5910208f0ad2afa95d0cbfbfc89104ea2b339eadf1df6426d9e6cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da7af2070a5910208f0ad2afa95d0cbfbfc89104ea2b339eadf1df6426d9e6cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da7af2070a5910208f0ad2afa95d0cbfbfc89104ea2b339eadf1df6426d9e6cb", kill_on_drop: false }`
[INFO] [stdout] da7af2070a5910208f0ad2afa95d0cbfbfc89104ea2b339eadf1df6426d9e6cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cefdb32a968f3214d68a877f8a1322af6f49ab595f0b8274daf3206808cb441d
[INFO] running `Command { std: "docker" "start" "-a" "cefdb32a968f3214d68a877f8a1322af6f49ab595f0b8274daf3206808cb441d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling syn v0.15.40
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]     Checking downcast-rs v1.0.4
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking walkdir v2.2.9
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking rustc-demangle v0.1.15
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]    Compiling cmake v0.1.40
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking lock_api v0.2.0
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]     Checking stb_truetype v0.2.6
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling shaderc-sys v0.6.0
[INFO] [stderr]    Compiling wayland-scanner v0.23.5
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: shaderc-sys@0.6.0: Checking for system installed libraries.  Use --features = build-from-source to disable this behavior
[INFO] [stderr] warning: shaderc-sys@0.6.0: 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 v0.6.0`
[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-3e82dea4bc6be97a/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-0.6.0/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:     0x55d8d29db1b6 - std::backtrace_rs::backtrace::libunwind::trace::h4a01ad0b1654c0b3
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stderr]      1:     0x55d8d29db1b6 - std::backtrace_rs::backtrace::trace_unsynchronized::h9f80f9c1a87c88e7
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55d8d29db1b6 - std::sys_common::backtrace::_print_fmt::hfb825d5b45347dc7
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]      3:     0x55d8d29db1b6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hd399990d6b396792
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x55d8d29febdc - core::fmt::rt::Argument::fmt::h6780ff77d2596c7e
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/core/src/fmt/rt.rs:142:9
[INFO] [stderr]      5:     0x55d8d29febdc - core::fmt::write::heeb505bfc1cf113c
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/core/src/fmt/mod.rs:1120:17
[INFO] [stderr]      6:     0x55d8d29d841f - std::io::Write::write_fmt::h06956d82941b8ab5
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/io/mod.rs:1846:15
[INFO] [stderr]      7:     0x55d8d29daf64 - std::sys_common::backtrace::_print::h5a2ad20f98de74d9
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x55d8d29daf64 - std::sys_common::backtrace::print::hb7c2e18145b4bc56
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x55d8d29dc66b - std::panicking::default_hook::{{closure}}::h2c7ccc2f6c33079c
[INFO] [stderr]     10:     0x55d8d29dc3b9 - std::panicking::default_hook::h6ae4b6e844fd8bea
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/panicking.rs:292:9
[INFO] [stderr]     11:     0x55d8d29dcb0d - std::panicking::rust_panic_with_hook::h1591957e3d275a90
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/panicking.rs:781:13
[INFO] [stderr]     12:     0x55d8d29dc9e2 - std::panicking::begin_panic_handler::{{closure}}::h384c4e87a0cf88d5
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/panicking.rs:659:13
[INFO] [stderr]     13:     0x55d8d29db696 - std::sys_common::backtrace::__rust_end_short_backtrace::h091aa6af759b84a7
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]     14:     0x55d8d29dc714 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/panicking.rs:647:5
[INFO] [stderr]     15:     0x55d8d2970475 - core::panicking::panic_fmt::he1f2b784ca1ada33
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/core/src/panicking.rs:72:14
[INFO] [stderr]     16:     0x55d8d2976d66 - build_script_build::cmd_finder::CommandFinder::must_have::{{closure}}::h452c79cfe5583cb7
[INFO] [stderr]     17:     0x55d8d29740e3 - core::option::Option<T>::unwrap_or_else::h0a6cefa8eeea2d05
[INFO] [stderr]     18:     0x55d8d2976cc8 - build_script_build::cmd_finder::CommandFinder::must_have::h6c4267dab9903f25
[INFO] [stderr]     19:     0x55d8d29793b1 - build_script_build::main::hacdfc7cda739b7d4
[INFO] [stderr]     20:     0x55d8d2973ad3 - core::ops::function::FnOnce::call_once::he7826e483c3a71b8
[INFO] [stderr]     21:     0x55d8d2972f06 - std::sys_common::backtrace::__rust_begin_short_backtrace::h05b3fb6aed9f8a90
[INFO] [stderr]     22:     0x55d8d29735a9 - std::rt::lang_start::{{closure}}::hbac4494a563e1bc9
[INFO] [stderr]     23:     0x55d8d29d4713 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h41851747bbb13568
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     24:     0x55d8d29d4713 - std::panicking::try::do_call::hb42eeca0b42872c6
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/panicking.rs:554:40
[INFO] [stderr]     25:     0x55d8d29d4713 - std::panicking::try::hab05ddea26ba6a87
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/panicking.rs:518:19
[INFO] [stderr]     26:     0x55d8d29d4713 - std::panic::catch_unwind::h4e316694ef9f1d75
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/panic.rs:142:14
[INFO] [stderr]     27:     0x55d8d29d4713 - std::rt::lang_start_internal::{{closure}}::h8eaa848bcdf1c638
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/rt.rs:148:48
[INFO] [stderr]     28:     0x55d8d29d4713 - std::panicking::try::do_call::h1b091a6d59c31bc8
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/panicking.rs:554:40
[INFO] [stderr]     29:     0x55d8d29d4713 - std::panicking::try::h8d242ccb92fdc8f8
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/panicking.rs:518:19
[INFO] [stderr]     30:     0x55d8d29d4713 - std::panic::catch_unwind::hec071b6367220669
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/panic.rs:142:14
[INFO] [stderr]     31:     0x55d8d29d4713 - std::rt::lang_start_internal::hd0b9a1b14b917412
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/rt.rs:148:20
[INFO] [stderr]     32:     0x55d8d2973587 - std::rt::lang_start::hc74b53aa858d0f3a
[INFO] [stderr]     33:     0x55d8d2979d65 - main
[INFO] [stderr]     34:     0x7f92c9700d90 - <unknown>
[INFO] [stderr]     35:     0x7f92c9700e40 - __libc_start_main
[INFO] [stderr]     36:     0x55d8d2970a55 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "cefdb32a968f3214d68a877f8a1322af6f49ab595f0b8274daf3206808cb441d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cefdb32a968f3214d68a877f8a1322af6f49ab595f0b8274daf3206808cb441d", kill_on_drop: false }`
[INFO] [stdout] cefdb32a968f3214d68a877f8a1322af6f49ab595f0b8274daf3206808cb441d
[INFO] checking megafb-0.0.1 against try#b4fc5dbf0bc33be331f9d893db5b3a794f29724a+rustflags=-Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds for pr-121251
[INFO] extracting crate megafb 0.0.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate megafb 0.0.1 on toolchain b4fc5dbf0bc33be331f9d893db5b3a794f29724a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate megafb 0.0.1
[INFO] finished tweaking crates.io crate megafb 0.0.1
[INFO] tweaked toml for crates.io crate megafb 0.0.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate megafb 0.0.1 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" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6815a736e06fcc6c973179f78707898dffd5026bc97118113ceeaeda9f3b0834
[INFO] running `Command { std: "docker" "start" "-a" "6815a736e06fcc6c973179f78707898dffd5026bc97118113ceeaeda9f3b0834", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6815a736e06fcc6c973179f78707898dffd5026bc97118113ceeaeda9f3b0834", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6815a736e06fcc6c973179f78707898dffd5026bc97118113ceeaeda9f3b0834", kill_on_drop: false }`
[INFO] [stdout] 6815a736e06fcc6c973179f78707898dffd5026bc97118113ceeaeda9f3b0834
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds" "-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" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c861fd81ea388ab8f901ebf47fec1cf73b60694e425c2c021c11f19896c8433
[INFO] running `Command { std: "docker" "start" "-a" "5c861fd81ea388ab8f901ebf47fec1cf73b60694e425c2c021c11f19896c8433", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling syn v0.15.40
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking downcast-rs v1.0.4
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[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 rand_jitter v0.1.4
[INFO] [stderr]     Checking walkdir v2.2.9
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking rustc-demangle v0.1.15
[INFO] [stderr]    Compiling cmake v0.1.40
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]     Checking lock_api v0.2.0
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]     Checking stb_truetype v0.2.6
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling shaderc-sys v0.6.0
[INFO] [stderr]    Compiling wayland-scanner v0.23.5
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: shaderc-sys@0.6.0: Checking for system installed libraries.  Use --features = build-from-source to disable this behavior
[INFO] [stderr] warning: shaderc-sys@0.6.0: 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 v0.6.0`
[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-3e82dea4bc6be97a/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-0.6.0/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:     0x5630580df1b6 - std::backtrace_rs::backtrace::libunwind::trace::h0d1f9e44284b8013
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stderr]      1:     0x5630580df1b6 - std::backtrace_rs::backtrace::trace_unsynchronized::h17dbeb281165c5c4
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5630580df1b6 - std::sys_common::backtrace::_print_fmt::h14dc86d75037f59f
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]      3:     0x5630580df1b6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h20915dd225a5d4c5
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x563058102bdc - core::fmt::rt::Argument::fmt::h6dcba5363f9a9bd4
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/core/src/fmt/rt.rs:142:9
[INFO] [stderr]      5:     0x563058102bdc - core::fmt::write::habd1cce1dd178fa9
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/core/src/fmt/mod.rs:1120:17
[INFO] [stderr]      6:     0x5630580dc41f - std::io::Write::write_fmt::h335f0c916f2cc739
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/io/mod.rs:1846:15
[INFO] [stderr]      7:     0x5630580def64 - std::sys_common::backtrace::_print::haed265422939a672
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x5630580def64 - std::sys_common::backtrace::print::hc8c2d3e9fcdf3c04
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x5630580e066b - std::panicking::default_hook::{{closure}}::hc7d06f756b115521
[INFO] [stderr]     10:     0x5630580e03b9 - std::panicking::default_hook::ha7d83419a7426e39
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/panicking.rs:292:9
[INFO] [stderr]     11:     0x5630580e0b0d - std::panicking::rust_panic_with_hook::he6dc5d430c09608c
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/panicking.rs:781:13
[INFO] [stderr]     12:     0x5630580e09e2 - std::panicking::begin_panic_handler::{{closure}}::h1ccbbc26bdbc9269
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/panicking.rs:659:13
[INFO] [stderr]     13:     0x5630580df696 - std::sys_common::backtrace::__rust_end_short_backtrace::h0f2cf51708fe91db
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]     14:     0x5630580e0714 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/panicking.rs:647:5
[INFO] [stderr]     15:     0x563058074475 - core::panicking::panic_fmt::h6606ea0a622a0628
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/core/src/panicking.rs:72:14
[INFO] [stderr]     16:     0x56305807ad66 - build_script_build::cmd_finder::CommandFinder::must_have::{{closure}}::h8b08602573a2a47f
[INFO] [stderr]     17:     0x5630580780e3 - core::option::Option<T>::unwrap_or_else::h2a6f1bb4e360f8bc
[INFO] [stderr]     18:     0x56305807acc8 - build_script_build::cmd_finder::CommandFinder::must_have::h1b7a7a3608357e3c
[INFO] [stderr]     19:     0x56305807d3b1 - build_script_build::main::h4b8cdaaf9d5eb836
[INFO] [stderr]     20:     0x563058077ad3 - core::ops::function::FnOnce::call_once::h65c9e7a1cd1b6cf0
[INFO] [stderr]     21:     0x563058076f06 - std::sys_common::backtrace::__rust_begin_short_backtrace::h92eb7d9e2a022004
[INFO] [stderr]     22:     0x5630580775a9 - std::rt::lang_start::{{closure}}::ha6ef35c4be0ac7ba
[INFO] [stderr]     23:     0x5630580d8713 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::ha65186210333eb65
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     24:     0x5630580d8713 - std::panicking::try::do_call::ha06f0ae2aa773b60
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/panicking.rs:554:40
[INFO] [stderr]     25:     0x5630580d8713 - std::panicking::try::ha69909ced466cae0
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/panicking.rs:518:19
[INFO] [stderr]     26:     0x5630580d8713 - std::panic::catch_unwind::hbb7cc1f26ee70ef2
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/panic.rs:142:14
[INFO] [stderr]     27:     0x5630580d8713 - std::rt::lang_start_internal::{{closure}}::hf210e7ef9470948d
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/rt.rs:148:48
[INFO] [stderr]     28:     0x5630580d8713 - std::panicking::try::do_call::h539340602b2b4061
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/panicking.rs:554:40
[INFO] [stderr]     29:     0x5630580d8713 - std::panicking::try::h82480fb15a4d1da6
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/panicking.rs:518:19
[INFO] [stderr]     30:     0x5630580d8713 - std::panic::catch_unwind::he6d4670bf89494cd
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/panic.rs:142:14
[INFO] [stderr]     31:     0x5630580d8713 - std::rt::lang_start_internal::hce6f7a496a7bd741
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/rt.rs:148:20
[INFO] [stderr]     32:     0x563058077587 - std::rt::lang_start::h9f36115345240aaa
[INFO] [stderr]     33:     0x56305807dd65 - main
[INFO] [stderr]     34:     0x7fd02aa76d90 - <unknown>
[INFO] [stderr]     35:     0x7fd02aa76e40 - __libc_start_main
[INFO] [stderr]     36:     0x563058074a55 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5c861fd81ea388ab8f901ebf47fec1cf73b60694e425c2c021c11f19896c8433", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c861fd81ea388ab8f901ebf47fec1cf73b60694e425c2c021c11f19896c8433", kill_on_drop: false }`
[INFO] [stdout] 5c861fd81ea388ab8f901ebf47fec1cf73b60694e425c2c021c11f19896c8433
