[INFO] cloning repository https://github.com/itsybitesyspider/mallard [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/itsybitesyspider/mallard" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitsybitesyspider%2Fmallard", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitsybitesyspider%2Fmallard'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5b73cb1427b033749d0060135eefcb659f443c50 [INFO] testing itsybitesyspider/mallard against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitsybitesyspider%2Fmallard" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/itsybitesyspider/mallard [INFO] finished tweaking git repo https://github.com/itsybitesyspider/mallard [INFO] tweaked toml for git repo https://github.com/itsybitesyspider/mallard written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/itsybitesyspider/mallard on toolchain caccb4d0368bd918ef6668af8e13834d07040417 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/itsybitesyspider/mallard 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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded smallvec v1.5.1 [INFO] [stderr] Downloaded rand_chacha v0.3.0 [INFO] [stderr] Downloaded shaderc v0.6.3 [INFO] [stderr] Downloaded rand_hc v0.3.0 [INFO] [stderr] Downloaded crossbeam-deque v0.8.0 [INFO] [stderr] Downloaded gif v0.11.1 [INFO] [stderr] Downloaded memoffset v0.6.1 [INFO] [stderr] Downloaded crossbeam-channel v0.5.0 [INFO] [stderr] Downloaded weezl v0.1.3 [INFO] [stderr] Downloaded rayon v1.5.0 [INFO] [stderr] Downloaded rayon-core v1.9.0 [INFO] [stderr] Downloaded shaderc-sys v0.6.3 [INFO] [stderr] Downloaded cgmath v0.17.0 [INFO] [stderr] Downloaded crossbeam-utils v0.8.1 [INFO] [stderr] Downloaded rand v0.8.0 [INFO] [stderr] Downloaded jpeg-decoder v0.1.20 [INFO] [stderr] Downloaded rand_core v0.6.0 [INFO] [stderr] Downloaded crossbeam-epoch v0.9.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6521bb1c0a480f48cc03100fa10125a9961536a67bcdc131cf9cf2eb932e8975 [INFO] running `Command { std: "docker" "start" "-a" "6521bb1c0a480f48cc03100fa10125a9961536a67bcdc131cf9cf2eb932e8975", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6521bb1c0a480f48cc03100fa10125a9961536a67bcdc131cf9cf2eb932e8975", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6521bb1c0a480f48cc03100fa10125a9961536a67bcdc131cf9cf2eb932e8975", kill_on_drop: false }` [INFO] [stdout] 6521bb1c0a480f48cc03100fa10125a9961536a67bcdc131cf9cf2eb932e8975 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 938ef3552caa76102ed7becbb49c198b0b2debde98aff73539bb4c6c4bec5de6 [INFO] running `Command { std: "docker" "start" "-a" "938ef3552caa76102ed7becbb49c198b0b2debde98aff73539bb4c6c4bec5de6", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling syn v1.0.56 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling const_fn v0.4.4 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling smallvec v1.5.1 [INFO] [stderr] Compiling getrandom v0.2.0 [INFO] [stderr] Compiling once_cell v1.5.2 [INFO] [stderr] Compiling futures-core v0.3.8 [INFO] [stderr] Compiling instant v0.1.9 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling futures-channel v0.3.8 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling futures-task v0.3.8 [INFO] [stderr] Compiling futures-io v0.3.8 [INFO] [stderr] Compiling tracing-core v0.1.17 [INFO] [stderr] Compiling weezl v0.1.3 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling cgmath v0.17.0 [INFO] [stderr] Compiling approx v0.3.2 [INFO] [stderr] Compiling tracing v0.1.22 [INFO] [stderr] Compiling gif v0.11.1 [INFO] [stderr] Compiling crossbeam-epoch v0.9.1 [INFO] [stderr] Compiling crossbeam-channel v0.5.0 [INFO] [stderr] Compiling raw-window-handle v0.3.3 [INFO] [stderr] Compiling jobserver v0.1.21 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling x11 v2.18.2 [INFO] [stderr] Compiling parking_lot_core v0.8.2 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling gfx-hal v0.6.0 [INFO] [stderr] Compiling parking_lot v0.11.1 [INFO] [stderr] Compiling crossbeam-deque v0.8.0 [INFO] [stderr] Compiling rand_core v0.6.0 [INFO] [stderr] Compiling cc v1.0.66 [INFO] [stderr] Compiling rand_chacha v0.3.0 [INFO] [stderr] Compiling rand v0.8.0 [INFO] [stderr] Compiling cmake v0.1.45 [INFO] [stderr] Compiling shaderc-sys v0.6.3 [INFO] [stderr] warning: shaderc-sys@0.6.3: Checking for system installed libraries. Use --features = build-from-source to disable this behavior [INFO] [stderr] warning: shaderc-sys@0.6.3: System installed library not found. Falling back to build from source [INFO] [stderr] error: failed to run custom build command for `shaderc-sys v0.6.3` [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-a0fdfa218846b02c/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' (1074) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/shaderc-sys-0.6.3/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: 0x55c744b1c9b2 - std::backtrace_rs::backtrace::libunwind::trace::h76861be37b31432e [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stderr] 1: 0x55c744b1c9b2 - std::backtrace_rs::backtrace::trace_unsynchronized::h58d4003082192c17 [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stderr] 2: 0x55c744b1c9b2 - std::sys::backtrace::_print_fmt::hfe5857a399620d2a [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/backtrace.rs:66:9 [INFO] [stderr] 3: 0x55c744b1c9b2 - ::fmt::h52160e9da139e442 [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/backtrace.rs:39:26 [INFO] [stderr] 4: 0x55c744b2ce5f - core::fmt::rt::Argument::fmt::h66fe6fef9ecca14a [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/fmt/rt.rs:173:76 [INFO] [stderr] 5: 0x55c744b2ce5f - core::fmt::write::hf09a056a304e021a [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/fmt/mod.rs:1468:25 [INFO] [stderr] 6: 0x55c744aeb741 - std::io::default_write_fmt::h7567c5950fb0173c [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/io/mod.rs:639:11 [INFO] [stderr] 7: 0x55c744aeb741 - std::io::Write::write_fmt::h361c7127187cda65 [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/io/mod.rs:1954:13 [INFO] [stderr] 8: 0x55c744af68a2 - std::sys::backtrace::BacktraceLock::print::h15104dbcf0fd1f14 [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/backtrace.rs:42:9 [INFO] [stderr] 9: 0x55c744af9a3f - std::panicking::default_hook::{{closure}}::h0fa6cd8dbe0dd76b [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:301:27 [INFO] [stderr] 10: 0x55c744af9899 - std::panicking::default_hook::h8d20506cf72e4831 [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:328:9 [INFO] [stderr] 11: 0x55c744afa0c5 - std::panicking::panic_with_hook::h746880a052e02c85 [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:834:13 [INFO] [stderr] 12: 0x55c744af9f5a - std::panicking::panic_handler::{{closure}}::h14b95830f89d14b3 [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:707:13 [INFO] [stderr] 13: 0x55c744af69d9 - std::sys::backtrace::__rust_end_short_backtrace::h7ddaac0e9609a83d [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/backtrace.rs:174:18 [INFO] [stderr] 14: 0x55c744adf9ad - __rustc[76f7e7187978e2f8]::rust_begin_unwind [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:698:5 [INFO] [stderr] 15: 0x55c744b30a90 - core::panicking::panic_fmt::heb245a301f4395db [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/panicking.rs:78:14 [INFO] [stderr] 16: 0x55c744a8b8db - build_script_build::cmd_finder::CommandFinder::must_have::{{closure}}::h6442106eeef52dbc [INFO] [stderr] 17: 0x55c744a91379 - core::option::Option::unwrap_or_else::h35a0c45c898afd79 [INFO] [stderr] 18: 0x55c744a8b85c - build_script_build::cmd_finder::CommandFinder::must_have::h8ee86545e212095f [INFO] [stderr] 19: 0x55c744a8ee65 - build_script_build::main::haae2d855f9d0f521 [INFO] [stderr] 20: 0x55c744a904b3 - core::ops::function::FnOnce::call_once::h589f8d5b1cb39089 [INFO] [stderr] 21: 0x55c744a90056 - std::sys::backtrace::__rust_begin_short_backtrace::h1bccbd3cf248bee9 [INFO] [stderr] 22: 0x55c744a8ffd9 - std::rt::lang_start::{{closure}}::h32366f130ca6962b [INFO] [stderr] 23: 0x55c744aed150 - core::ops::function::impls:: for &F>::call_once::h92f7271baace0227 [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/ops/function.rs:287:21 [INFO] [stderr] 24: 0x55c744aed150 - std::panicking::catch_unwind::do_call::hab80bc7615f9a56f [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:590:40 [INFO] [stderr] 25: 0x55c744aed150 - std::panicking::catch_unwind::h44920ff533ed11dd [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:553:19 [INFO] [stderr] 26: 0x55c744aed150 - std::panic::catch_unwind::hbc4760794652046f [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panic.rs:359:14 [INFO] [stderr] 27: 0x55c744aed150 - std::rt::lang_start_internal::{{closure}}::h017b9ee7d9dfccf2 [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/rt.rs:175:24 [INFO] [stderr] 28: 0x55c744aed150 - std::panicking::catch_unwind::do_call::h5c448dae61c3a22b [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:590:40 [INFO] [stderr] 29: 0x55c744aed150 - std::panicking::catch_unwind::ha3a2750d16137715 [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:553:19 [INFO] [stderr] 30: 0x55c744aed150 - std::panic::catch_unwind::ha56344eb931bca1a [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panic.rs:359:14 [INFO] [stderr] 31: 0x55c744aed150 - std::rt::lang_start_internal::h4e6c18fadc4e7470 [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/rt.rs:171:5 [INFO] [stderr] 32: 0x55c744a8ffc1 - std::rt::lang_start::h9830ae0d4b761d35 [INFO] [stderr] 33: 0x55c744a93095 - main [INFO] [stderr] 34: 0x78084b5fd1ca - [INFO] [stderr] 35: 0x78084b5fd28b - __libc_start_main [INFO] [stderr] 36: 0x55c744a8a975 - _start [INFO] [stderr] 37: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "938ef3552caa76102ed7becbb49c198b0b2debde98aff73539bb4c6c4bec5de6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "938ef3552caa76102ed7becbb49c198b0b2debde98aff73539bb4c6c4bec5de6", kill_on_drop: false }` [INFO] [stdout] 938ef3552caa76102ed7becbb49c198b0b2debde98aff73539bb4c6c4bec5de6