[INFO] cloning repository https://github.com/BenBergman/podcast-visualizer-v3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BenBergman/podcast-visualizer-v3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenBergman%2Fpodcast-visualizer-v3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenBergman%2Fpodcast-visualizer-v3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] edad8d3db9890252a4cf909c2fc0ab1644473245
[INFO] checking BenBergman/podcast-visualizer-v3 against try#78c81ee3917a99dcff6e2e6822800f0492c415c3 for pr-148967
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenBergman%2Fpodcast-visualizer-v3" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/BenBergman/podcast-visualizer-v3
[INFO] finished tweaking git repo https://github.com/BenBergman/podcast-visualizer-v3
[INFO] tweaked toml for git repo https://github.com/BenBergman/podcast-visualizer-v3 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/BenBergman/podcast-visualizer-v3 on toolchain 78c81ee3917a99dcff6e2e6822800f0492c415c3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/BenBergman/podcast-visualizer-v3 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" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e04dfb4678d814784a92f602c824b9eebd5e8a9cc010b3216c01d2d3b0c321c
[INFO] running `Command { std: "docker" "start" "-a" "7e04dfb4678d814784a92f602c824b9eebd5e8a9cc010b3216c01d2d3b0c321c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e04dfb4678d814784a92f602c824b9eebd5e8a9cc010b3216c01d2d3b0c321c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e04dfb4678d814784a92f602c824b9eebd5e8a9cc010b3216c01d2d3b0c321c", kill_on_drop: false }`
[INFO] [stdout] 7e04dfb4678d814784a92f602c824b9eebd5e8a9cc010b3216c01d2d3b0c321c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c3a4bf7dc7ccd150caf7e6bca2f1ee53dcf03e4bee43fb55508532966a31424
[INFO] running `Command { std: "docker" "start" "-a" "6c3a4bf7dc7ccd150caf7e6bca2f1ee53dcf03e4bee43fb55508532966a31424", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling cc v1.0.47
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling num-traits v0.2.9
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]    Compiling shaderc-sys v0.6.1
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling quote v0.6.13
[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] 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-9722e8f602eb7b56/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' (466) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/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:     0x60f6a445ea92 - std::backtrace_rs::backtrace::libunwind::trace::hd8a655236e158731
[INFO] [stderr]                                  at /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x60f6a445ea92 - std::backtrace_rs::backtrace::trace_unsynchronized::hc00faf3445433064
[INFO] [stderr]                                  at /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x60f6a445ea92 - std::sys::backtrace::_print_fmt::he752eec0bd9c3ab6
[INFO] [stderr]                                  at /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x60f6a445ea92 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hf49d4e9844d08ced
[INFO] [stderr]                                  at /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x60f6a446e9d7 - core::fmt::rt::Argument::fmt::hd8fa28b5031a260b
[INFO] [stderr]                                  at /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x60f6a446e9d7 - core::fmt::write::he5460f17b833c122
[INFO] [stderr]      6:     0x60f6a4430926 - std::io::default_write_fmt::heccfcb5b5382e279
[INFO] [stderr]                                  at /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x60f6a4430926 - std::io::Write::write_fmt::he98ae2746dbedb47
[INFO] [stderr]                                  at /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]      8:     0x60f6a443cfa1 - std::sys::backtrace::BacktraceLock::print::hc3760d1122275184
[INFO] [stderr]                                  at /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x60f6a443cfa1 - std::panicking::default_hook::{{closure}}::hf8c19bc1a7b0676a
[INFO] [stderr]                                  at /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/std/src/panicking.rs:293:27
[INFO] [stderr]     10:     0x60f6a443cdc6 - std::panicking::default_hook::haf43ecfd300ae5b5
[INFO] [stderr]                                  at /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/std/src/panicking.rs:320:9
[INFO] [stderr]     11:     0x60f6a443d4ab - std::panicking::panic_with_hook::h66c5d8fa29e50b62
[INFO] [stderr]                                  at /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/std/src/panicking.rs:826:13
[INFO] [stderr]     12:     0x60f6a443d328 - std::panicking::panic_handler::{{closure}}::h1674ae13bdd6a7e1
[INFO] [stderr]                                  at /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/std/src/panicking.rs:699:13
[INFO] [stderr]     13:     0x60f6a443aa89 - std::sys::backtrace::__rust_end_short_backtrace::h6b28368e603b0548
[INFO] [stderr]                                  at /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x60f6a4424dad - __rustc[e6cc9979c6fc759f]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/std/src/panicking.rs:690:5
[INFO] [stderr]     15:     0x60f6a447206c - core::panicking::panic_fmt::h2145634be0790f13
[INFO] [stderr]                                  at /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x60f6a43e3456 - build_script_build::cmd_finder::CommandFinder::must_have::{{closure}}::h3fbdc4e56d6472b0
[INFO] [stderr]     17:     0x60f6a43e7aa9 - core::option::Option<T>::unwrap_or_else::h3d9904edd83fc119
[INFO] [stderr]     18:     0x60f6a43e33dc - build_script_build::cmd_finder::CommandFinder::must_have::h7590799e1596b710
[INFO] [stderr]     19:     0x60f6a43e6203 - build_script_build::main::h3eacd405dc085395
[INFO] [stderr]     20:     0x60f6a43e72c3 - core::ops::function::FnOnce::call_once::he6ec071e0c8422d3
[INFO] [stderr]     21:     0x60f6a43e6d76 - std::sys::backtrace::__rust_begin_short_backtrace::he651586283aef7b2
[INFO] [stderr]     22:     0x60f6a43e6ca9 - std::rt::lang_start::{{closure}}::h29f91b45a7441ca9
[INFO] [stderr]     23:     0x60f6a4431fea - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hddbf2acf5bfc1fa2
[INFO] [stderr]                                  at /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     24:     0x60f6a4431fea - std::panicking::catch_unwind::do_call::h601e682a6f220c31
[INFO] [stderr]                                  at /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/std/src/panicking.rs:582:40
[INFO] [stderr]     25:     0x60f6a4431fea - std::panicking::catch_unwind::h81f8c3b241324d54
[INFO] [stderr]                                  at /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/std/src/panicking.rs:545:19
[INFO] [stderr]     26:     0x60f6a4431fea - std::panic::catch_unwind::h955ecdb4ad78d5d8
[INFO] [stderr]                                  at /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/std/src/panic.rs:359:14
[INFO] [stderr]     27:     0x60f6a4431fea - std::rt::lang_start_internal::{{closure}}::hdc242c6291100e1a
[INFO] [stderr]                                  at /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/std/src/rt.rs:175:24
[INFO] [stderr]     28:     0x60f6a4431fea - std::panicking::catch_unwind::do_call::hb4798156ed16c4d5
[INFO] [stderr]                                  at /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/std/src/panicking.rs:582:40
[INFO] [stderr]     29:     0x60f6a4431fea - std::panicking::catch_unwind::hbf7abf54e8488964
[INFO] [stderr]                                  at /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/std/src/panicking.rs:545:19
[INFO] [stderr]     30:     0x60f6a4431fea - std::panic::catch_unwind::h12e2e0b2f3af8206
[INFO] [stderr]                                  at /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/std/src/panic.rs:359:14
[INFO] [stderr]     31:     0x60f6a4431fea - std::rt::lang_start_internal::hb8ec3851c46937a1
[INFO] [stderr]                                  at /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/std/src/rt.rs:171:5
[INFO] [stderr]     32:     0x60f6a43e6c91 - std::rt::lang_start::h26956476efefffc5
[INFO] [stderr]     33:     0x60f6a43e9285 - main
[INFO] [stderr]     34:     0x7be2ace731ca - <unknown>
[INFO] [stderr]     35:     0x7be2ace7328b - __libc_start_main
[INFO] [stderr]     36:     0x60f6a43e24f5 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6c3a4bf7dc7ccd150caf7e6bca2f1ee53dcf03e4bee43fb55508532966a31424", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c3a4bf7dc7ccd150caf7e6bca2f1ee53dcf03e4bee43fb55508532966a31424", kill_on_drop: false }`
[INFO] [stdout] 6c3a4bf7dc7ccd150caf7e6bca2f1ee53dcf03e4bee43fb55508532966a31424
