[INFO] fetching crate caldera 0.2.0...
[INFO] checking caldera-0.2.0 against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] extracting crate caldera 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate caldera 0.2.0 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 caldera 0.2.0
[INFO] finished tweaking crates.io crate caldera 0.2.0
[INFO] tweaked toml for crates.io crate caldera 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate caldera 0.2.0 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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pkg-config v0.3.17
[INFO] [stderr]   Downloaded smallvec v0.6.13
[INFO] [stderr]   Downloaded socket2 v0.3.11
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[INFO] [stderr]   Downloaded proc-macro-hack v0.5.11
[INFO] [stderr]   Downloaded curl v0.4.25
[INFO] [stderr]   Downloaded wayland-commons v0.21.13
[INFO] [stderr]   Downloaded parking_lot_core v0.6.2
[INFO] [stderr]   Downloaded ordered-float v1.0.2
[INFO] [stderr]   Downloaded c2-chacha v0.2.3
[INFO] [stderr]   Downloaded xdg v2.2.0
[INFO] [stderr]   Downloaded downcast-rs v1.1.1
[INFO] [stderr]   Downloaded memoffset v0.5.2
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[INFO] [stderr]   Downloaded libdbus-sys v0.2.1
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[INFO] [stderr]   Downloaded wayland-client v0.21.13
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[INFO] [stderr]   Downloaded clang-sys v0.28.1
[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] b8d62bb67c54591e64306f60dbaada70c7ce840d8c4a86f0190685b2d6f5527b
[INFO] running `Command { std: "docker" "start" "-a" "b8d62bb67c54591e64306f60dbaada70c7ce840d8c4a86f0190685b2d6f5527b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8d62bb67c54591e64306f60dbaada70c7ce840d8c4a86f0190685b2d6f5527b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8d62bb67c54591e64306f60dbaada70c7ce840d8c4a86f0190685b2d6f5527b", kill_on_drop: false }`
[INFO] [stdout] b8d62bb67c54591e64306f60dbaada70c7ce840d8c4a86f0190685b2d6f5527b
[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] 397e03622b2fbb09508899744fde13cbbfb2006e4c39749e846b4939f395c02e
[INFO] running `Command { std: "docker" "start" "-a" "397e03622b2fbb09508899744fde13cbbfb2006e4c39749e846b4939f395c02e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling cc v1.0.47
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling memoffset v0.5.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking stb_truetype v0.3.0
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]     Checking downcast-rs v1.1.1
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]     Checking walkdir v2.2.9
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling glib-sys v0.9.0
[INFO] [stderr]    Compiling x11-dl v2.18.4
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling gobject-sys v0.9.0
[INFO] [stderr]    Compiling libdbus-sys v0.2.1
[INFO] [stderr]     Checking num_cpus v1.11.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling vulkano v0.16.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.52
[INFO] [stderr]    Compiling shaderc-sys v0.6.1
[INFO] [stderr]    Compiling curl-sys v0.4.23
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]     Checking rayon v1.2.0
[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]     Checking rusttype v0.8.1
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking wayland-sys v0.21.13
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking crossbeam v0.7.2
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: shaderc-sys@0.6.1: Checking for system installed libraries.  Use --features = build-from-source to disable this behavior
[INFO] [stderr] warning: shaderc-sys@0.6.1: System installed library not found.  Falling back to build from source
[INFO] [stderr] 
[INFO] [stderr] error: failed to run custom build command for `shaderc-sys v0.6.1`
[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-5043c6d7720dd058/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=System installed library not found.  Falling back to build from source
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/shaderc-sys-0.6.1/build/cmd_finder.rs:50:13:
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   couldn't find required command: "python"
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55a0391ede46 - 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:     0x55a0391ede46 - 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:     0x55a0391ede46 - std::sys_common::backtrace::_print_fmt::hfb825d5b45347dc7
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]      3:     0x55a0391ede46 - <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:     0x55a03921186c - core::fmt::rt::Argument::fmt::h6780ff77d2596c7e
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/core/src/fmt/rt.rs:142:9
[INFO] [stderr]      5:     0x55a03921186c - core::fmt::write::heeb505bfc1cf113c
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/core/src/fmt/mod.rs:1120:17
[INFO] [stderr]      6:     0x55a0391eb0af - std::io::Write::write_fmt::h06956d82941b8ab5
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/io/mod.rs:1846:15
[INFO] [stderr]      7:     0x55a0391edbf4 - std::sys_common::backtrace::_print::h5a2ad20f98de74d9
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x55a0391edbf4 - std::sys_common::backtrace::print::hb7c2e18145b4bc56
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x55a0391ef2fb - std::panicking::default_hook::{{closure}}::h2c7ccc2f6c33079c
[INFO] [stderr]     10:     0x55a0391ef049 - std::panicking::default_hook::h6ae4b6e844fd8bea
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/panicking.rs:292:9
[INFO] [stderr]     11:     0x55a0391ef79d - std::panicking::rust_panic_with_hook::h1591957e3d275a90
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/panicking.rs:781:13
[INFO] [stderr]     12:     0x55a0391ef672 - std::panicking::begin_panic_handler::{{closure}}::h384c4e87a0cf88d5
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/panicking.rs:659:13
[INFO] [stderr]     13:     0x55a0391ee326 - 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:     0x55a0391ef3a4 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/panicking.rs:647:5
[INFO] [stderr]     15:     0x55a039180475 - core::panicking::panic_fmt::he1f2b784ca1ada33
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/core/src/panicking.rs:72:14
[INFO] [stderr]     16:     0x55a039184ad6 - build_script_build::cmd_finder::CommandFinder::must_have::{{closure}}::h6b389c30e672506f
[INFO] [stderr]     17:     0x55a039181de3 - core::option::Option<T>::unwrap_or_else::hfed98dc9c62e2304
[INFO] [stderr]     18:     0x55a039184a38 - build_script_build::cmd_finder::CommandFinder::must_have::h81bf660b83c0352c
[INFO] [stderr]     19:     0x55a0391879ce - build_script_build::main::h553d4ff7debf763c
[INFO] [stderr]     20:     0x55a039181793 - core::ops::function::FnOnce::call_once::hb171d60b4f00eac5
[INFO] [stderr]     21:     0x55a039180b26 - std::sys_common::backtrace::__rust_begin_short_backtrace::h64dc99e565eeac10
[INFO] [stderr]     22:     0x55a0391811c9 - std::rt::lang_start::{{closure}}::h405b773a782b3704
[INFO] [stderr]     23:     0x55a0391e73a3 - 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:     0x55a0391e73a3 - std::panicking::try::do_call::hb42eeca0b42872c6
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/panicking.rs:554:40
[INFO] [stderr]     25:     0x55a0391e73a3 - std::panicking::try::hab05ddea26ba6a87
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/panicking.rs:518:19
[INFO] [stderr]     26:     0x55a0391e73a3 - std::panic::catch_unwind::h4e316694ef9f1d75
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/panic.rs:142:14
[INFO] [stderr]     27:     0x55a0391e73a3 - std::rt::lang_start_internal::{{closure}}::h8eaa848bcdf1c638
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/rt.rs:148:48
[INFO] [stderr]     28:     0x55a0391e73a3 - std::panicking::try::do_call::h1b091a6d59c31bc8
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/panicking.rs:554:40
[INFO] [stderr]     29:     0x55a0391e73a3 - std::panicking::try::h8d242ccb92fdc8f8
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/panicking.rs:518:19
[INFO] [stderr]     30:     0x55a0391e73a3 - std::panic::catch_unwind::hec071b6367220669
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/panic.rs:142:14
[INFO] [stderr]     31:     0x55a0391e73a3 - std::rt::lang_start_internal::hd0b9a1b14b917412
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/rt.rs:148:20
[INFO] [stderr]     32:     0x55a0391811a7 - std::rt::lang_start::hf6fc0e14499146e4
[INFO] [stderr]     33:     0x55a039188385 - main
[INFO] [stderr]     34:     0x7fc415f66d90 - <unknown>
[INFO] [stderr]     35:     0x7fc415f66e40 - __libc_start_main
[INFO] [stderr]     36:     0x55a039180a55 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "397e03622b2fbb09508899744fde13cbbfb2006e4c39749e846b4939f395c02e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "397e03622b2fbb09508899744fde13cbbfb2006e4c39749e846b4939f395c02e", kill_on_drop: false }`
[INFO] [stdout] 397e03622b2fbb09508899744fde13cbbfb2006e4c39749e846b4939f395c02e
[INFO] checking caldera-0.2.0 against try#b4fc5dbf0bc33be331f9d893db5b3a794f29724a+rustflags=-Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds for pr-121251
[INFO] extracting crate caldera 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate caldera 0.2.0 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 caldera 0.2.0
[INFO] finished tweaking crates.io crate caldera 0.2.0
[INFO] tweaked toml for crates.io crate caldera 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate caldera 0.2.0 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" "+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] b792b6dc9c798b36d264f5ab0c4352322b0f32ca3fcccef96a637deba742fdc0
[INFO] running `Command { std: "docker" "start" "-a" "b792b6dc9c798b36d264f5ab0c4352322b0f32ca3fcccef96a637deba742fdc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b792b6dc9c798b36d264f5ab0c4352322b0f32ca3fcccef96a637deba742fdc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b792b6dc9c798b36d264f5ab0c4352322b0f32ca3fcccef96a637deba742fdc0", kill_on_drop: false }`
[INFO] [stdout] b792b6dc9c798b36d264f5ab0c4352322b0f32ca3fcccef96a637deba742fdc0
[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] b30bde1055667ffe885b9edd775d769e6750e3555fdb160bc31669dfd5f5e3dc
[INFO] running `Command { std: "docker" "start" "-a" "b30bde1055667ffe885b9edd775d769e6750e3555fdb160bc31669dfd5f5e3dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling cc v1.0.47
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling memoffset v0.5.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking stb_truetype v0.3.0
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]     Checking downcast-rs v1.1.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking walkdir v2.2.9
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]    Compiling glib-sys v0.9.0
[INFO] [stderr]    Compiling x11-dl v2.18.4
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling libdbus-sys v0.2.1
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling gobject-sys v0.9.0
[INFO] [stderr]     Checking num_cpus v1.11.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling vulkano v0.16.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.52
[INFO] [stderr]    Compiling curl-sys v0.4.23
[INFO] [stderr]    Compiling shaderc-sys v0.6.1
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking rusttype v0.8.1
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking crossbeam v0.7.2
[INFO] [stderr]     Checking wayland-sys v0.21.13
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: shaderc-sys@0.6.1: Checking for system installed libraries.  Use --features = build-from-source to disable this behavior
[INFO] [stderr] warning: shaderc-sys@0.6.1: System installed library not found.  Falling back to build from source
[INFO] [stderr] 
[INFO] [stderr] error: failed to run custom build command for `shaderc-sys v0.6.1`
[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-5043c6d7720dd058/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=System installed library not found.  Falling back to build from source
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/shaderc-sys-0.6.1/build/cmd_finder.rs:50:13:
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   couldn't find required command: "python"
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55a7c4411e46 - 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:     0x55a7c4411e46 - 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:     0x55a7c4411e46 - std::sys_common::backtrace::_print_fmt::h14dc86d75037f59f
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]      3:     0x55a7c4411e46 - <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:     0x55a7c443586c - core::fmt::rt::Argument::fmt::h6dcba5363f9a9bd4
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/core/src/fmt/rt.rs:142:9
[INFO] [stderr]      5:     0x55a7c443586c - core::fmt::write::habd1cce1dd178fa9
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/core/src/fmt/mod.rs:1120:17
[INFO] [stderr]      6:     0x55a7c440f0af - std::io::Write::write_fmt::h335f0c916f2cc739
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/io/mod.rs:1846:15
[INFO] [stderr]      7:     0x55a7c4411bf4 - std::sys_common::backtrace::_print::haed265422939a672
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x55a7c4411bf4 - std::sys_common::backtrace::print::hc8c2d3e9fcdf3c04
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x55a7c44132fb - std::panicking::default_hook::{{closure}}::hc7d06f756b115521
[INFO] [stderr]     10:     0x55a7c4413049 - std::panicking::default_hook::ha7d83419a7426e39
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/panicking.rs:292:9
[INFO] [stderr]     11:     0x55a7c441379d - std::panicking::rust_panic_with_hook::he6dc5d430c09608c
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/panicking.rs:781:13
[INFO] [stderr]     12:     0x55a7c4413672 - std::panicking::begin_panic_handler::{{closure}}::h1ccbbc26bdbc9269
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/panicking.rs:659:13
[INFO] [stderr]     13:     0x55a7c4412326 - 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:     0x55a7c44133a4 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/panicking.rs:647:5
[INFO] [stderr]     15:     0x55a7c43a4475 - core::panicking::panic_fmt::h6606ea0a622a0628
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/core/src/panicking.rs:72:14
[INFO] [stderr]     16:     0x55a7c43a8ad6 - build_script_build::cmd_finder::CommandFinder::must_have::{{closure}}::h90ebeeea01659ec6
[INFO] [stderr]     17:     0x55a7c43a5de3 - core::option::Option<T>::unwrap_or_else::h21586dd64de407ff
[INFO] [stderr]     18:     0x55a7c43a8a38 - build_script_build::cmd_finder::CommandFinder::must_have::h034e317f0989881a
[INFO] [stderr]     19:     0x55a7c43ab9ce - build_script_build::main::h83184f2b061891b2
[INFO] [stderr]     20:     0x55a7c43a5733 - core::ops::function::FnOnce::call_once::h3a39f960cc3f6e0b
[INFO] [stderr]     21:     0x55a7c43a4b26 - std::sys_common::backtrace::__rust_begin_short_backtrace::h67c02b843ab273b9
[INFO] [stderr]     22:     0x55a7c43a51c9 - std::rt::lang_start::{{closure}}::hc3456580cb33d660
[INFO] [stderr]     23:     0x55a7c440b3a3 - 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:     0x55a7c440b3a3 - std::panicking::try::do_call::ha06f0ae2aa773b60
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/panicking.rs:554:40
[INFO] [stderr]     25:     0x55a7c440b3a3 - std::panicking::try::ha69909ced466cae0
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/panicking.rs:518:19
[INFO] [stderr]     26:     0x55a7c440b3a3 - std::panic::catch_unwind::hbb7cc1f26ee70ef2
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/panic.rs:142:14
[INFO] [stderr]     27:     0x55a7c440b3a3 - std::rt::lang_start_internal::{{closure}}::hf210e7ef9470948d
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/rt.rs:148:48
[INFO] [stderr]     28:     0x55a7c440b3a3 - std::panicking::try::do_call::h539340602b2b4061
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/panicking.rs:554:40
[INFO] [stderr]     29:     0x55a7c440b3a3 - std::panicking::try::h82480fb15a4d1da6
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/panicking.rs:518:19
[INFO] [stderr]     30:     0x55a7c440b3a3 - std::panic::catch_unwind::he6d4670bf89494cd
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/panic.rs:142:14
[INFO] [stderr]     31:     0x55a7c440b3a3 - std::rt::lang_start_internal::hce6f7a496a7bd741
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/rt.rs:148:20
[INFO] [stderr]     32:     0x55a7c43a51a7 - std::rt::lang_start::h5b6abf4a582d2281
[INFO] [stderr]     33:     0x55a7c43ac385 - main
[INFO] [stderr]     34:     0x7fea1ebf4d90 - <unknown>
[INFO] [stderr]     35:     0x7fea1ebf4e40 - __libc_start_main
[INFO] [stderr]     36:     0x55a7c43a4a55 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b30bde1055667ffe885b9edd775d769e6750e3555fdb160bc31669dfd5f5e3dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b30bde1055667ffe885b9edd775d769e6750e3555fdb160bc31669dfd5f5e3dc", kill_on_drop: false }`
[INFO] [stdout] b30bde1055667ffe885b9edd775d769e6750e3555fdb160bc31669dfd5f5e3dc
