[INFO] fetching crate caldera 0.2.0...
[INFO] checking caldera-0.2.0 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[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 b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "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" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.102
[INFO] [stderr]   Downloaded hermit-abi v0.1.3
[INFO] [stderr]   Downloaded vulkano-shaders v0.16.0
[INFO] [stderr]   Downloaded num_cpus v1.11.0
[INFO] [stderr]   Downloaded shaderc v0.6.1
[INFO] [stderr]   Downloaded metal v0.17.0
[INFO] [stderr]   Downloaded num-rational v0.2.2
[INFO] [stderr]   Downloaded memoffset v0.5.2
[INFO] [stderr]   Downloaded num-iter v0.1.39
[INFO] [stderr]   Downloaded syn v1.0.7
[INFO] [stderr]   Downloaded include_dir_impl v0.4.1
[INFO] [stderr]   Downloaded raw-window-handle v0.3.1
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[INFO] [stderr]   Downloaded dlib v0.4.1
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[INFO] [stderr]   Downloaded vk-sys v0.5.0
[INFO] [stderr]   Downloaded objc_exception v0.1.1
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[INFO] [stderr]   Downloaded rusttype v0.8.1
[INFO] [stderr]   Downloaded cmake v0.1.42
[INFO] [stderr]   Downloaded vulkano v0.16.0
[INFO] [stderr]   Downloaded libc v0.2.65
[INFO] [stderr]   Downloaded backtrace-sys v0.1.32
[INFO] [stderr]   Downloaded libz-sys v1.0.25
[INFO] [stderr]   Downloaded crossbeam-epoch v0.7.2
[INFO] [stderr]   Downloaded basalt v0.6.0
[INFO] [stderr]   Downloaded glib-sys v0.9.0
[INFO] [stderr]   Downloaded half v1.4.0
[INFO] [stderr]   Downloaded gobject-sys v0.9.0
[INFO] [stderr]   Downloaded splines v3.0.0
[INFO] [stderr]   Downloaded xml-rs v0.8.0
[INFO] [stderr]   Downloaded claxon v0.4.2
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[INFO] [stderr]   Downloaded bindgen v0.51.1
[INFO] [stderr]   Downloaded openssl-sys v0.9.52
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[INFO] [stderr]   Downloaded curl v0.4.25
[INFO] [stderr]   Downloaded glib v0.8.2
[INFO] [stderr]   Downloaded rayon v1.2.0
[INFO] [stderr]   Downloaded image v0.22.3
[INFO] [stderr]   Downloaded serde v1.0.102
[INFO] [stderr]   Downloaded freetype-sys v0.9.0
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[INFO] [stderr]   Downloaded jpeg-decoder v0.1.16
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[INFO] [stderr]   Downloaded cexpr v0.3.6
[INFO] [stderr]   Downloaded json v0.12.0
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[INFO] [stderr]   Downloaded vulkano-win v0.16.0
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[INFO] [stderr]   Downloaded png v0.15.0
[INFO] [stderr]   Downloaded libdbus-sys v0.2.1
[INFO] [stderr]   Downloaded failure_derive v0.1.6
[INFO] [stderr]   Downloaded libloading v0.5.2
[INFO] [stderr]   Downloaded clang-sys v0.28.1
[INFO] [stderr]   Downloaded rustc-hash v1.0.1
[INFO] [stderr]   Downloaded include_dir v0.4.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.6
[INFO] [stderr]   Downloaded backtrace v0.3.40
[INFO] [stderr]   Downloaded crossbeam-deque v0.7.1
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[INFO] [stderr]   Downloaded crossbeam v0.7.2
[INFO] [stderr]   Downloaded dbus v0.6.5
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[INFO] [stderr]   Downloaded decorum v0.1.3
[INFO] [stderr]   Downloaded cc v1.0.47
[INFO] [stderr]   Downloaded rayon-core v1.6.0
[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" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b666f38b50c601b6f07a0f922a02148ba883d08617d146e0dfe252236257792
[INFO] running `Command { std: "docker" "start" "-a" "8b666f38b50c601b6f07a0f922a02148ba883d08617d146e0dfe252236257792", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b666f38b50c601b6f07a0f922a02148ba883d08617d146e0dfe252236257792", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b666f38b50c601b6f07a0f922a02148ba883d08617d146e0dfe252236257792", kill_on_drop: false }`
[INFO] [stdout] 8b666f38b50c601b6f07a0f922a02148ba883d08617d146e0dfe252236257792
[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" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89dad020cdcd19591d2fd3e8570967d689a0cf8ed890969a8a9cf397819f0f2e
[INFO] running `Command { std: "docker" "start" "-a" "89dad020cdcd19591d2fd3e8570967d689a0cf8ed890969a8a9cf397819f0f2e", 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 unicode-xid v0.2.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]    Compiling memoffset v0.5.2
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[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]    Compiling rayon-core v1.6.0
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking walkdir v2.2.9
[INFO] [stderr]    Compiling glib-sys v0.9.0
[INFO] [stderr]    Compiling x11-dl v2.18.4
[INFO] [stderr]     Checking stb_truetype v0.3.0
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking num_cpus v1.11.0
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling gobject-sys v0.9.0
[INFO] [stderr]    Compiling libdbus-sys v0.2.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]     Checking lock_api v0.3.1
[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 cfg-if v0.1.10
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling serde v1.0.102
[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 ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling vulkano v0.16.0
[INFO] [stderr]     Checking rusttype v0.8.1
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]     Checking wayland-sys v0.21.13
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]     Checking rusttype v0.7.9
[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:     0x5558be764ed6 - std::backtrace_rs::backtrace::libunwind::trace::h841aec340308c59e
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stderr]      1:     0x5558be764ed6 - std::backtrace_rs::backtrace::trace_unsynchronized::h9dee2676d9d11960
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5558be764ed6 - std::sys_common::backtrace::_print_fmt::h2d423a7a89b7862c
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]      3:     0x5558be764ed6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb83a544cb08b68f3
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x5558be788adc - core::fmt::rt::Argument::fmt::hc1d14d10bb089188
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/core/src/fmt/rt.rs:142:9
[INFO] [stderr]      5:     0x5558be788adc - core::fmt::write::hfe45f0b918fcb7f8
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/core/src/fmt/mod.rs:1120:17
[INFO] [stderr]      6:     0x5558be7621ef - std::io::Write::write_fmt::hafff8b00df89bf98
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/io/mod.rs:1846:15
[INFO] [stderr]      7:     0x5558be764c84 - std::sys_common::backtrace::_print::h847ae15a622b4882
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x5558be764c84 - std::sys_common::backtrace::print::h708afa8c696ce578
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x5558be76637b - std::panicking::default_hook::{{closure}}::h9f7cf46c599f7ff3
[INFO] [stderr]     10:     0x5558be7660d7 - std::panicking::default_hook::h3287a62f5d2ae67a
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/panicking.rs:292:9
[INFO] [stderr]     11:     0x5558be76681d - std::panicking::rust_panic_with_hook::hb88eafc3660b8bff
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/panicking.rs:779:13
[INFO] [stderr]     12:     0x5558be7666f2 - std::panicking::begin_panic_handler::{{closure}}::h6507929c0772d453
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/panicking.rs:657:13
[INFO] [stderr]     13:     0x5558be7653b6 - std::sys_common::backtrace::__rust_end_short_backtrace::h89ad0278467b1bd2
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]     14:     0x5558be766424 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/panicking.rs:645:5
[INFO] [stderr]     15:     0x5558be6f8115 - core::panicking::panic_fmt::hce2350285af4cdca
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/core/src/panicking.rs:72:14
[INFO] [stderr]     16:     0x5558be6fc976 - build_script_build::cmd_finder::CommandFinder::must_have::{{closure}}::h97e2ddf68fe2e8a2
[INFO] [stderr]     17:     0x5558be6f9e83 - core::option::Option<T>::unwrap_or_else::h1ef566d9e2953249
[INFO] [stderr]     18:     0x5558be6fc8d8 - build_script_build::cmd_finder::CommandFinder::must_have::h448f914c1ec1f748
[INFO] [stderr]     19:     0x5558be6ff86e - build_script_build::main::hc1d66bfb0f2bc278
[INFO] [stderr]     20:     0x5558be6f96d3 - core::ops::function::FnOnce::call_once::h8e8d5708f913ef64
[INFO] [stderr]     21:     0x5558be6f87c6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h264affb9d3cf8413
[INFO] [stderr]     22:     0x5558be6f8e69 - std::rt::lang_start::{{closure}}::hcbd464e294e53d32
[INFO] [stderr]     23:     0x5558be75e413 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hea0299f39373341f
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     24:     0x5558be75e413 - std::panicking::try::do_call::h0cd3430abeddc4e2
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/panicking.rs:552:40
[INFO] [stderr]     25:     0x5558be75e413 - std::panicking::try::h1b6d10b095200de8
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/panicking.rs:516:19
[INFO] [stderr]     26:     0x5558be75e413 - std::panic::catch_unwind::h39fde36d17186f03
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/panic.rs:146:14
[INFO] [stderr]     27:     0x5558be75e413 - std::rt::lang_start_internal::{{closure}}::hdffbc47fb787c567
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/rt.rs:148:48
[INFO] [stderr]     28:     0x5558be75e413 - std::panicking::try::do_call::h8261032ff252bd66
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/panicking.rs:552:40
[INFO] [stderr]     29:     0x5558be75e413 - std::panicking::try::hfa26d7ee0ada6340
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/panicking.rs:516:19
[INFO] [stderr]     30:     0x5558be75e413 - std::panic::catch_unwind::h94fb8e4675a04827
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/panic.rs:146:14
[INFO] [stderr]     31:     0x5558be75e413 - std::rt::lang_start_internal::h86a38ee89c760c9f
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/rt.rs:148:20
[INFO] [stderr]     32:     0x5558be6f8e47 - std::rt::lang_start::hbb502c87cfc32432
[INFO] [stderr]     33:     0x5558be700225 - main
[INFO] [stderr]     34:     0x7f3573ef0d90 - <unknown>
[INFO] [stderr]     35:     0x7f3573ef0e40 - __libc_start_main
[INFO] [stderr]     36:     0x5558be6f86f5 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "89dad020cdcd19591d2fd3e8570967d689a0cf8ed890969a8a9cf397819f0f2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89dad020cdcd19591d2fd3e8570967d689a0cf8ed890969a8a9cf397819f0f2e", kill_on_drop: false }`
[INFO] [stdout] 89dad020cdcd19591d2fd3e8570967d689a0cf8ed890969a8a9cf397819f0f2e
[INFO] checking caldera-0.2.0 against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[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 bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1fed2ffbd6907a7e5c98702c4c8cb16f2a0dd3fea6e5181ee7c01963ccfb08f9
[INFO] running `Command { std: "docker" "start" "-a" "1fed2ffbd6907a7e5c98702c4c8cb16f2a0dd3fea6e5181ee7c01963ccfb08f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fed2ffbd6907a7e5c98702c4c8cb16f2a0dd3fea6e5181ee7c01963ccfb08f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fed2ffbd6907a7e5c98702c4c8cb16f2a0dd3fea6e5181ee7c01963ccfb08f9", kill_on_drop: false }`
[INFO] [stdout] 1fed2ffbd6907a7e5c98702c4c8cb16f2a0dd3fea6e5181ee7c01963ccfb08f9
[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" "-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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b6752e7b3a53dd07b6dc7fe28cd5b0ec750ed57243e5dbd41bb83328f382dac
[INFO] running `Command { std: "docker" "start" "-a" "8b6752e7b3a53dd07b6dc7fe28cd5b0ec750ed57243e5dbd41bb83328f382dac", 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 unicode-xid v0.2.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]    Compiling memoffset v0.5.2
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[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 same-file v1.0.5
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]     Checking downcast-rs v1.1.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]     Checking walkdir v2.2.9
[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 stb_truetype v0.3.0
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking num_cpus v1.11.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling gobject-sys v0.9.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling libdbus-sys v0.2.1
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]     Checking lock_api v0.3.1
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[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]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling vulkano v0.16.0
[INFO] [stderr]     Checking rayon v1.2.0
[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 c2-chacha v0.2.3
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking parking_lot v0.9.0
[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:     0x55ac1bc7bed6 - std::backtrace_rs::backtrace::libunwind::trace::h31bf9e16c3129d88
[INFO] [stderr]                                  at /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stderr]      1:     0x55ac1bc7bed6 - std::backtrace_rs::backtrace::trace_unsynchronized::hfbf8ae71cff6d572
[INFO] [stderr]                                  at /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55ac1bc7bed6 - std::sys_common::backtrace::_print_fmt::h51a5c032426e5886
[INFO] [stderr]                                  at /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]      3:     0x55ac1bc7bed6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hc9ed9fb0e0178e64
[INFO] [stderr]                                  at /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x55ac1bc9fadc - core::fmt::rt::Argument::fmt::h4294b4ebdfeb70b0
[INFO] [stderr]                                  at /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/core/src/fmt/rt.rs:142:9
[INFO] [stderr]      5:     0x55ac1bc9fadc - core::fmt::write::hecc5a1c31014825e
[INFO] [stderr]                                  at /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/core/src/fmt/mod.rs:1120:17
[INFO] [stderr]      6:     0x55ac1bc791ef - std::io::Write::write_fmt::hdd43e3748f3c18c1
[INFO] [stderr]                                  at /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/io/mod.rs:1846:15
[INFO] [stderr]      7:     0x55ac1bc7bc84 - std::sys_common::backtrace::_print::h1ef3744a6b3284d7
[INFO] [stderr]                                  at /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x55ac1bc7bc84 - std::sys_common::backtrace::print::h87f11e711d7ec1f2
[INFO] [stderr]                                  at /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x55ac1bc7d37b - std::panicking::default_hook::{{closure}}::hc671c6c8612bb33a
[INFO] [stderr]     10:     0x55ac1bc7d0d7 - std::panicking::default_hook::h7755299c777843b5
[INFO] [stderr]                                  at /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/panicking.rs:292:9
[INFO] [stderr]     11:     0x55ac1bc7d81d - std::panicking::rust_panic_with_hook::hf5c0a76956d1f55b
[INFO] [stderr]                                  at /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/panicking.rs:779:13
[INFO] [stderr]     12:     0x55ac1bc7d6f2 - std::panicking::begin_panic_handler::{{closure}}::h75ace17bd1a3cacd
[INFO] [stderr]                                  at /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/panicking.rs:657:13
[INFO] [stderr]     13:     0x55ac1bc7c3b6 - std::sys_common::backtrace::__rust_end_short_backtrace::h0c85a736a9e46df5
[INFO] [stderr]                                  at /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]     14:     0x55ac1bc7d424 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/panicking.rs:645:5
[INFO] [stderr]     15:     0x55ac1bc0f115 - core::panicking::panic_fmt::hca2ab16c2853391a
[INFO] [stderr]                                  at /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/core/src/panicking.rs:72:14
[INFO] [stderr]     16:     0x55ac1bc13976 - build_script_build::cmd_finder::CommandFinder::must_have::{{closure}}::h325c0905d58bbd19
[INFO] [stderr]     17:     0x55ac1bc10e83 - core::option::Option<T>::unwrap_or_else::hdd35918b6d9f985d
[INFO] [stderr]     18:     0x55ac1bc138d8 - build_script_build::cmd_finder::CommandFinder::must_have::h52416d902cff39a7
[INFO] [stderr]     19:     0x55ac1bc1686e - build_script_build::main::h2281b6838ed81bd4
[INFO] [stderr]     20:     0x55ac1bc10713 - core::ops::function::FnOnce::call_once::h756b3fc5d7ff8409
[INFO] [stderr]     21:     0x55ac1bc0f7c6 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7591bb9c9421c07
[INFO] [stderr]     22:     0x55ac1bc0fe69 - std::rt::lang_start::{{closure}}::h8f12868119850a80
[INFO] [stderr]     23:     0x55ac1bc75413 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h7902246483b7d7c4
[INFO] [stderr]                                  at /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     24:     0x55ac1bc75413 - std::panicking::try::do_call::h6d4f049e2f4b4d6b
[INFO] [stderr]                                  at /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/panicking.rs:552:40
[INFO] [stderr]     25:     0x55ac1bc75413 - std::panicking::try::h08871fd6170a32df
[INFO] [stderr]                                  at /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/panicking.rs:516:19
[INFO] [stderr]     26:     0x55ac1bc75413 - std::panic::catch_unwind::hb4f344f38c178ba4
[INFO] [stderr]                                  at /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/panic.rs:146:14
[INFO] [stderr]     27:     0x55ac1bc75413 - std::rt::lang_start_internal::{{closure}}::h0d066aabba5d6be4
[INFO] [stderr]                                  at /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/rt.rs:148:48
[INFO] [stderr]     28:     0x55ac1bc75413 - std::panicking::try::do_call::h2b134820a693c229
[INFO] [stderr]                                  at /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/panicking.rs:552:40
[INFO] [stderr]     29:     0x55ac1bc75413 - std::panicking::try::h6f4c84a9341cfb96
[INFO] [stderr]                                  at /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/panicking.rs:516:19
[INFO] [stderr]     30:     0x55ac1bc75413 - std::panic::catch_unwind::h1e69ddfdb871ed54
[INFO] [stderr]                                  at /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/panic.rs:146:14
[INFO] [stderr]     31:     0x55ac1bc75413 - std::rt::lang_start_internal::h55a0eab7bdccf49d
[INFO] [stderr]                                  at /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/rt.rs:148:20
[INFO] [stderr]     32:     0x55ac1bc0fe47 - std::rt::lang_start::he3807ba90fa5eee6
[INFO] [stderr]     33:     0x55ac1bc17225 - main
[INFO] [stderr]     34:     0x7fa4e943bd90 - <unknown>
[INFO] [stderr]     35:     0x7fa4e943be40 - __libc_start_main
[INFO] [stderr]     36:     0x55ac1bc0f6f5 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8b6752e7b3a53dd07b6dc7fe28cd5b0ec750ed57243e5dbd41bb83328f382dac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b6752e7b3a53dd07b6dc7fe28cd5b0ec750ed57243e5dbd41bb83328f382dac", kill_on_drop: false }`
[INFO] [stdout] 8b6752e7b3a53dd07b6dc7fe28cd5b0ec750ed57243e5dbd41bb83328f382dac
