[INFO] cloning repository https://github.com/Bravo555/vulkan-mandelbrot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Bravo555/vulkan-mandelbrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBravo555%2Fvulkan-mandelbrot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBravo555%2Fvulkan-mandelbrot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fbbffa15141976450466fcb9967c4f7abab84d7b
[INFO] checking Bravo555/vulkan-mandelbrot against try#f70ee28831acc074c109afab32d287057c3eca46 for pr-149389
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBravo555%2Fvulkan-mandelbrot" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Bravo555/vulkan-mandelbrot
[INFO] finished tweaking git repo https://github.com/Bravo555/vulkan-mandelbrot
[INFO] tweaked toml for git repo https://github.com/Bravo555/vulkan-mandelbrot written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Bravo555/vulkan-mandelbrot on toolchain f70ee28831acc074c109afab32d287057c3eca46
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f70ee28831acc074c109afab32d287057c3eca46" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Bravo555/vulkan-mandelbrot 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" "+f70ee28831acc074c109afab32d287057c3eca46" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+f70ee28831acc074c109afab32d287057c3eca46" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79a0dc549b11c5780e17cc98607f039e67562e0a2fdf8f7cac01a3e2cf884b03
[INFO] running `Command { std: "docker" "start" "-a" "79a0dc549b11c5780e17cc98607f039e67562e0a2fdf8f7cac01a3e2cf884b03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79a0dc549b11c5780e17cc98607f039e67562e0a2fdf8f7cac01a3e2cf884b03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79a0dc549b11c5780e17cc98607f039e67562e0a2fdf8f7cac01a3e2cf884b03", kill_on_drop: false }`
[INFO] [stdout] 79a0dc549b11c5780e17cc98607f039e67562e0a2fdf8f7cac01a3e2cf884b03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+f70ee28831acc074c109afab32d287057c3eca46" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf39d0e8842f6780dbc699893655d2190465c7e4e9d52e4d5cfbd607e32acaa6
[INFO] running `Command { std: "docker" "start" "-a" "cf39d0e8842f6780dbc699893655d2190465c7e4e9d52e4d5cfbd607e32acaa6", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]     Checking crossbeam-epoch v0.9.0
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling shaderc-sys v0.6.2
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking weezl v0.1.2
[INFO] [stderr]    Compiling vulkano v0.19.0
[INFO] [stderr]     Checking tiff v0.5.0
[INFO] [stderr] warning: shaderc-sys@0.6.2: Checking for system installed libraries.  Use --features = build-from-source to disable this behavior
[INFO] [stderr] warning: shaderc-sys@0.6.2: System installed library not found.  Falling back to build from source
[INFO] [stderr] error: failed to run custom build command for `shaderc-sys v0.6.2`
[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-8fe89197149147f5/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] 
[INFO] [stderr]   thread 'main' (875) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/shaderc-sys-0.6.2/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:     0x5924eb5beec2 - std[8a7011b5972ea393]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5924eb5beec2 - std[8a7011b5972ea393]::backtrace_rs::backtrace::trace_unsynchronized::<std[8a7011b5972ea393]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5924eb5beec2 - std[8a7011b5972ea393]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5924eb5beec2 - <<std[8a7011b5972ea393]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[b8facb68d32e370]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5924eb5d37c7 - <core[b8facb68d32e370]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x5924eb5d37c7 - core[b8facb68d32e370]::fmt::write
[INFO] [stderr]      6:     0x5924eb5c5536 - std[8a7011b5972ea393]::io::default_write_fmt::<std[8a7011b5972ea393]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5924eb5c5536 - <std[8a7011b5972ea393]::sys::stdio::unix::Stderr as std[8a7011b5972ea393]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]      8:     0x5924eb5a132e - <std[8a7011b5972ea393]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x5924eb5a132e - std[8a7011b5972ea393]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/std/src/panicking.rs:293:27
[INFO] [stderr]     10:     0x5924eb5b9e41 - std[8a7011b5972ea393]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/std/src/panicking.rs:320:9
[INFO] [stderr]     11:     0x5924eb5b9ffb - std[8a7011b5972ea393]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/std/src/panicking.rs:826:13
[INFO] [stderr]     12:     0x5924eb5a13e8 - std[8a7011b5972ea393]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/std/src/panicking.rs:699:13
[INFO] [stderr]     13:     0x5924eb596519 - std[8a7011b5972ea393]::sys::backtrace::__rust_end_short_backtrace::<std[8a7011b5972ea393]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x5924eb5a1e4d - __rustc[9de75a00f0b995ca]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/std/src/panicking.rs:690:5
[INFO] [stderr]     15:     0x5924eb5d3e0c - core[b8facb68d32e370]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x5924eb5432e6 - <build_script_build[33a6aee3f68739be]::cmd_finder::CommandFinder>::must_have::<&str>::{closure#0}
[INFO] [stderr]     17:     0x5924eb541ca9 - <core[b8facb68d32e370]::option::Option<std[8a7011b5972ea393]::path::PathBuf>>::unwrap_or_else::<<build_script_build[33a6aee3f68739be]::cmd_finder::CommandFinder>::must_have<&str>::{closure#0}>
[INFO] [stderr]     18:     0x5924eb541c2c - <build_script_build[33a6aee3f68739be]::cmd_finder::CommandFinder>::must_have::<&str>
[INFO] [stderr]     19:     0x5924eb546172 - build_script_build[33a6aee3f68739be]::main
[INFO] [stderr]     20:     0x5924eb547ca3 - <fn() as core[b8facb68d32e370]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     21:     0x5924eb5427d6 - std[8a7011b5972ea393]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     22:     0x5924eb543309 - std[8a7011b5972ea393]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     23:     0x5924eb5b8fba - <&dyn core[b8facb68d32e370]::ops::function::Fn<(), Output = i32> + core[b8facb68d32e370]::panic::unwind_safe::RefUnwindSafe + core[b8facb68d32e370]::marker::Sync as core[b8facb68d32e370]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     24:     0x5924eb5b8fba - std[8a7011b5972ea393]::panicking::catch_unwind::do_call::<&dyn core[b8facb68d32e370]::ops::function::Fn<(), Output = i32> + core[b8facb68d32e370]::panic::unwind_safe::RefUnwindSafe + core[b8facb68d32e370]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/std/src/panicking.rs:582:40
[INFO] [stderr]     25:     0x5924eb5b8fba - std[8a7011b5972ea393]::panicking::catch_unwind::<i32, &dyn core[b8facb68d32e370]::ops::function::Fn<(), Output = i32> + core[b8facb68d32e370]::panic::unwind_safe::RefUnwindSafe + core[b8facb68d32e370]::marker::Sync>
[INFO] [stderr]                                  at /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/std/src/panicking.rs:545:19
[INFO] [stderr]     26:     0x5924eb5b8fba - std[8a7011b5972ea393]::panic::catch_unwind::<&dyn core[b8facb68d32e370]::ops::function::Fn<(), Output = i32> + core[b8facb68d32e370]::panic::unwind_safe::RefUnwindSafe + core[b8facb68d32e370]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/std/src/panic.rs:359:14
[INFO] [stderr]     27:     0x5924eb5b8fba - std[8a7011b5972ea393]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/std/src/rt.rs:175:24
[INFO] [stderr]     28:     0x5924eb5b8fba - std[8a7011b5972ea393]::panicking::catch_unwind::do_call::<std[8a7011b5972ea393]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/std/src/panicking.rs:582:40
[INFO] [stderr]     29:     0x5924eb5b8fba - std[8a7011b5972ea393]::panicking::catch_unwind::<isize, std[8a7011b5972ea393]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/std/src/panicking.rs:545:19
[INFO] [stderr]     30:     0x5924eb5b8fba - std[8a7011b5972ea393]::panic::catch_unwind::<std[8a7011b5972ea393]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/std/src/panic.rs:359:14
[INFO] [stderr]     31:     0x5924eb5b8fba - std[8a7011b5972ea393]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/std/src/rt.rs:171:5
[INFO] [stderr]     32:     0x5924eb5427c1 - std[8a7011b5972ea393]::rt::lang_start::<()>
[INFO] [stderr]     33:     0x5924eb547e25 - main
[INFO] [stderr]     34:     0x7bfc457451ca - <unknown>
[INFO] [stderr]     35:     0x7bfc4574528b - __libc_start_main
[INFO] [stderr]     36:     0x5924eb540fe5 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "cf39d0e8842f6780dbc699893655d2190465c7e4e9d52e4d5cfbd607e32acaa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf39d0e8842f6780dbc699893655d2190465c7e4e9d52e4d5cfbd607e32acaa6", kill_on_drop: false }`
[INFO] [stdout] cf39d0e8842f6780dbc699893655d2190465c7e4e9d52e4d5cfbd607e32acaa6
