[INFO] cloning repository https://github.com/nyanpasu64/spectro2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nyanpasu64/spectro2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnyanpasu64%2Fspectro2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnyanpasu64%2Fspectro2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3c9cdbe82e64a931cfcbbfb75cf6a6cd02d932d7
[INFO] checking nyanpasu64/spectro2 against master#8317fef20409adedaa7c385fa6e954867bf626fc for pr-154149-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnyanpasu64%2Fspectro2" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-1-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/nyanpasu64/spectro2
[INFO] finished tweaking git repo https://github.com/nyanpasu64/spectro2
[INFO] tweaked toml for git repo https://github.com/nyanpasu64/spectro2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nyanpasu64/spectro2 on toolchain 8317fef20409adedaa7c385fa6e954867bf626fc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8317fef20409adedaa7c385fa6e954867bf626fc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nyanpasu64/spectro2 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" "+8317fef20409adedaa7c385fa6e954867bf626fc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8317fef20409adedaa7c385fa6e954867bf626fc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15d48c472d3d1de41e3975d435dcaa63eeb36297093eab08c3159d72c2aa4214
[INFO] running `Command { std: "docker" "start" "-a" "15d48c472d3d1de41e3975d435dcaa63eeb36297093eab08c3159d72c2aa4214", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15d48c472d3d1de41e3975d435dcaa63eeb36297093eab08c3159d72c2aa4214", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15d48c472d3d1de41e3975d435dcaa63eeb36297093eab08c3159d72c2aa4214", kill_on_drop: false }`
[INFO] [stdout] 15d48c472d3d1de41e3975d435dcaa63eeb36297093eab08c3159d72c2aa4214
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8317fef20409adedaa7c385fa6e954867bf626fc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3da82ef00f4949f913f1645e3d1632a061f06b8eed63041d34e5c81d709c5bb4
[INFO] running `Command { std: "docker" "start" "-a" "3da82ef00f4949f913f1645e3d1632a061f06b8eed63041d34e5c81d709c5bb4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]     Checking futures-sink v0.3.12
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]     Checking futures-io v0.3.12
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking ash v0.31.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking inplace_it v0.3.2
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking strength_reduce v0.2.3
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking wgpu-types v0.6.1
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]    Compiling cpal v0.13.1
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking gfx-hal v0.6.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking spirv_headers v1.5.0
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking primal-check v0.3.1
[INFO] [stderr]     Checking transpose v0.2.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking typed-arena v2.0.1
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]    Compiling indoc v1.0.3
[INFO] [stderr]     Checking bytemuck v1.5.0
[INFO] [stderr]     Checking rustfft v5.0.1
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking dsp v0.8.1 (/opt/rustwide/workdir/3rdparty/dsp-0.8.1)
[INFO] [stderr]     Checking flip-cell v0.1.0 (/opt/rustwide/workdir/flip-cell)
[INFO] [stderr]     Checking spin_sleep v1.0.0 (/opt/rustwide/workdir/3rdparty/spin_sleep-1.0.0)
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling shaderc-sys v0.7.0
[INFO] [stderr] warning: shaderc-sys@0.7.0: shaderc: searching for native shaderc libraries on system;  use '--features build-from-source' to force building from source code
[INFO] [stderr] warning: shaderc-sys@0.7.0: shaderc: cannot find native shaderc library on system; falling back to build from source
[INFO] [stderr] error: failed to run custom build command for `shaderc-sys v0.7.0`
[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-647f6c691917862e/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:warning=shaderc: searching for native shaderc libraries on system;  use '--features build-from-source' to force building from source code
[INFO] [stderr]   cargo:warning=shaderc: cannot find native shaderc library on system; falling back to build from source
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (1133) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/shaderc-sys-0.7.0/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:     0x61b83b93273a - std[100391736eabc696]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/8317fef20409adedaa7c385fa6e954867bf626fc/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x61b83b93273a - std[100391736eabc696]::backtrace_rs::backtrace::trace_unsynchronized::<std[100391736eabc696]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/8317fef20409adedaa7c385fa6e954867bf626fc/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x61b83b93273a - std[100391736eabc696]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/8317fef20409adedaa7c385fa6e954867bf626fc/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x61b83b93273a - <<std[100391736eabc696]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[e41fb185a12938b4]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/8317fef20409adedaa7c385fa6e954867bf626fc/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x61b83b946a6a - <core[e41fb185a12938b4]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/8317fef20409adedaa7c385fa6e954867bf626fc/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x61b83b946a6a - core[e41fb185a12938b4]::fmt::write
[INFO] [stderr]      6:     0x61b83b938842 - std[100391736eabc696]::io::default_write_fmt::<std[100391736eabc696]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/8317fef20409adedaa7c385fa6e954867bf626fc/library/std/src/io/mod.rs:621:11
[INFO] [stderr]      7:     0x61b83b938842 - <std[100391736eabc696]::sys::stdio::unix::Stderr as std[100391736eabc696]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/8317fef20409adedaa7c385fa6e954867bf626fc/library/std/src/io/mod.rs:1976:13
[INFO] [stderr]      8:     0x61b83b9137df - <std[100391736eabc696]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/8317fef20409adedaa7c385fa6e954867bf626fc/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x61b83b9137df - std[100391736eabc696]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/8317fef20409adedaa7c385fa6e954867bf626fc/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x61b83b92ce31 - std[100391736eabc696]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/8317fef20409adedaa7c385fa6e954867bf626fc/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x61b83b92cfeb - std[100391736eabc696]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/8317fef20409adedaa7c385fa6e954867bf626fc/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x61b83b913898 - std[100391736eabc696]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/8317fef20409adedaa7c385fa6e954867bf626fc/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x61b83b908999 - std[100391736eabc696]::sys::backtrace::__rust_end_short_backtrace::<std[100391736eabc696]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/8317fef20409adedaa7c385fa6e954867bf626fc/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x61b83b9141fd - __rustc[2d16ed95291b2b35]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/8317fef20409adedaa7c385fa6e954867bf626fc/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x61b83b94719c - core[e41fb185a12938b4]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/8317fef20409adedaa7c385fa6e954867bf626fc/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x61b83b8ad206 - <build_script_build[3fd47f01480014b0]::cmd_finder::CommandFinder>::must_have::<&str>::{closure#0}
[INFO] [stderr]     17:     0x61b83b8abb79 - <core[e41fb185a12938b4]::option::Option<std[100391736eabc696]::path::PathBuf>>::unwrap_or_else::<<build_script_build[3fd47f01480014b0]::cmd_finder::CommandFinder>::must_have<&str>::{closure#0}>
[INFO] [stderr]     18:     0x61b83b8aba4c - <build_script_build[3fd47f01480014b0]::cmd_finder::CommandFinder>::must_have::<&str>
[INFO] [stderr]     19:     0x61b83b8b0baf - build_script_build[3fd47f01480014b0]::main
[INFO] [stderr]     20:     0x61b83b8b2a23 - <fn() as core[e41fb185a12938b4]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     21:     0x61b83b8ac726 - std[100391736eabc696]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     22:     0x61b83b8ad219 - std[100391736eabc696]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     23:     0x61b83b92bf24 - <&dyn core[e41fb185a12938b4]::ops::function::Fn<(), Output = i32> + core[e41fb185a12938b4]::panic::unwind_safe::RefUnwindSafe + core[e41fb185a12938b4]::marker::Sync as core[e41fb185a12938b4]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/8317fef20409adedaa7c385fa6e954867bf626fc/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     24:     0x61b83b92bf24 - std[100391736eabc696]::panicking::catch_unwind::do_call::<&dyn core[e41fb185a12938b4]::ops::function::Fn<(), Output = i32> + core[e41fb185a12938b4]::panic::unwind_safe::RefUnwindSafe + core[e41fb185a12938b4]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/8317fef20409adedaa7c385fa6e954867bf626fc/library/std/src/panicking.rs:581:40
[INFO] [stderr]     25:     0x61b83b92bf24 - std[100391736eabc696]::panicking::catch_unwind::<i32, &dyn core[e41fb185a12938b4]::ops::function::Fn<(), Output = i32> + core[e41fb185a12938b4]::panic::unwind_safe::RefUnwindSafe + core[e41fb185a12938b4]::marker::Sync>
[INFO] [stderr]                                  at /rustc/8317fef20409adedaa7c385fa6e954867bf626fc/library/std/src/panicking.rs:544:19
[INFO] [stderr]     26:     0x61b83b92bf24 - std[100391736eabc696]::panic::catch_unwind::<&dyn core[e41fb185a12938b4]::ops::function::Fn<(), Output = i32> + core[e41fb185a12938b4]::panic::unwind_safe::RefUnwindSafe + core[e41fb185a12938b4]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/8317fef20409adedaa7c385fa6e954867bf626fc/library/std/src/panic.rs:359:14
[INFO] [stderr]     27:     0x61b83b92bf24 - std[100391736eabc696]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/8317fef20409adedaa7c385fa6e954867bf626fc/library/std/src/rt.rs:175:24
[INFO] [stderr]     28:     0x61b83b92bf24 - std[100391736eabc696]::panicking::catch_unwind::do_call::<std[100391736eabc696]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/8317fef20409adedaa7c385fa6e954867bf626fc/library/std/src/panicking.rs:581:40
[INFO] [stderr]     29:     0x61b83b92bf24 - std[100391736eabc696]::panicking::catch_unwind::<isize, std[100391736eabc696]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/8317fef20409adedaa7c385fa6e954867bf626fc/library/std/src/panicking.rs:544:19
[INFO] [stderr]     30:     0x61b83b92bf24 - std[100391736eabc696]::panic::catch_unwind::<std[100391736eabc696]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/8317fef20409adedaa7c385fa6e954867bf626fc/library/std/src/panic.rs:359:14
[INFO] [stderr]     31:     0x61b83b92bf24 - std[100391736eabc696]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/8317fef20409adedaa7c385fa6e954867bf626fc/library/std/src/rt.rs:171:5
[INFO] [stderr]     32:     0x61b83b8ac2e1 - std[100391736eabc696]::rt::lang_start::<()>
[INFO] [stderr]     33:     0x61b83b8b2ba5 - main
[INFO] [stderr]     34:     0x7c0273afc1ca - <unknown>
[INFO] [stderr]     35:     0x7c0273afc28b - __libc_start_main
[INFO] [stderr]     36:     0x61b83b8aac95 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "3da82ef00f4949f913f1645e3d1632a061f06b8eed63041d34e5c81d709c5bb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3da82ef00f4949f913f1645e3d1632a061f06b8eed63041d34e5c81d709c5bb4", kill_on_drop: false }`
[INFO] [stdout] 3da82ef00f4949f913f1645e3d1632a061f06b8eed63041d34e5c81d709c5bb4