[INFO] fetching crate kakapo 0.0.1... [INFO] checking kakapo-0.0.1 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] extracting crate kakapo 0.0.1 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate kakapo 0.0.1 [INFO] finished tweaking crates.io crate kakapo 0.0.1 [INFO] tweaked toml for crates.io crate kakapo 0.0.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate kakapo 0.0.1 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate kakapo 0.0.1 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ea7ef4f05c0c95285996e3c4ebfac63deb38b04acfaa1ada77d5e92f57255c9d [INFO] running `Command { std: "docker" "start" "-a" "ea7ef4f05c0c95285996e3c4ebfac63deb38b04acfaa1ada77d5e92f57255c9d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ea7ef4f05c0c95285996e3c4ebfac63deb38b04acfaa1ada77d5e92f57255c9d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ea7ef4f05c0c95285996e3c4ebfac63deb38b04acfaa1ada77d5e92f57255c9d", kill_on_drop: false }` [INFO] [stdout] ea7ef4f05c0c95285996e3c4ebfac63deb38b04acfaa1ada77d5e92f57255c9d [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9db8edd38d1921d598386a3dda99d8e986da8e439e213fd50b04a51b20fb7cb6 [INFO] running `Command { std: "docker" "start" "-a" "9db8edd38d1921d598386a3dda99d8e986da8e439e213fd50b04a51b20fb7cb6", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.81 [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] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling syn v1.0.54 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking libloading v0.6.6 [INFO] [stderr] Checking smallvec v1.5.1 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking once_cell v1.5.2 [INFO] [stderr] Compiling xml-rs v0.8.3 [INFO] [stderr] Compiling nix v0.18.0 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking dlib v0.4.2 [INFO] [stderr] Compiling wayland-sys v0.28.2 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling nom v6.0.1 [INFO] [stderr] Compiling wayland-scanner v0.28.2 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling proc-macro-nested v0.1.6 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Compiling x11 v2.18.2 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Checking ttf-parser v0.6.2 [INFO] [stderr] Checking scoped-tls v1.0.0 [INFO] [stderr] Checking futures-core v0.3.8 [INFO] [stderr] Checking futures-sink v0.3.8 [INFO] [stderr] Checking downcast-rs v1.2.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking lock_api v0.4.2 [INFO] [stderr] Checking futures-channel v0.3.8 [INFO] [stderr] Checking raw-window-handle v0.3.3 [INFO] [stderr] Checking gfx-hal v0.6.0 [INFO] [stderr] Checking parking_lot_core v0.8.1 [INFO] [stderr] Compiling jobserver v0.1.21 [INFO] [stderr] Compiling cc v1.0.66 [INFO] [stderr] Checking owned_ttf_parser v0.6.0 [INFO] [stderr] Compiling wayland-client v0.28.2 [INFO] [stderr] Compiling wayland-protocols v0.28.2 [INFO] [stderr] Checking futures-task v0.3.8 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Compiling anyhow v1.0.35 [INFO] [stderr] Compiling cmake v0.1.45 [INFO] [stderr] Checking futures-io v0.3.8 [INFO] [stderr] Checking arrayvec v0.5.2 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Checking ab_glyph_rasterizer v0.1.4 [INFO] [stderr] Checking xcursor v0.3.3 [INFO] [stderr] Checking rusttype v0.9.2 [INFO] [stderr] Compiling shaderc-sys v0.6.3 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking bit-set v0.5.2 [INFO] [stderr] Checking spirv_headers v1.5.0 [INFO] [stderr] Checking parking_lot v0.11.1 [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-fbb1ad4b94191188/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' (1220) 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: 0x5ab029727e12 - std::backtrace_rs::backtrace::libunwind::trace::h105f921882c12e03 [INFO] [stderr] at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stderr] 1: 0x5ab029727e12 - std::backtrace_rs::backtrace::trace_unsynchronized::hc8b40918ba88bae2 [INFO] [stderr] at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stderr] 2: 0x5ab029727e12 - std::sys::backtrace::_print_fmt::h61144b3593b669a6 [INFO] [stderr] at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/sys/backtrace.rs:66:9 [INFO] [stderr] 3: 0x5ab029727e12 - ::fmt::ha7f14f4d725d0e1f [INFO] [stderr] at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/sys/backtrace.rs:39:26 [INFO] [stderr] 4: 0x5ab02974aa7f - core::fmt::rt::Argument::fmt::h291cffbfb6f5f437 [INFO] [stderr] at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/core/src/fmt/rt.rs:173:76 [INFO] [stderr] 5: 0x5ab02974aa7f - core::fmt::write::h613c8eb2432c6a8e [INFO] [stderr] at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/core/src/fmt/mod.rs:1468:25 [INFO] [stderr] 6: 0x5ab0297188e3 - std::io::default_write_fmt::h1b19b0ce9c092acc [INFO] [stderr] at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/io/mod.rs:639:11 [INFO] [stderr] 7: 0x5ab0297188e3 - std::io::Write::write_fmt::ha60efb35d66e9b8c [INFO] [stderr] at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/io/mod.rs:1954:13 [INFO] [stderr] 8: 0x5ab029728122 - std::sys::backtrace::BacktraceLock::print::hb1963680433203b9 [INFO] [stderr] at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/sys/backtrace.rs:42:9 [INFO] [stderr] 9: 0x5ab02971580c - std::panicking::default_hook::{{closure}}::h12644fad1f9f9c3f [INFO] [stderr] at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/panicking.rs:301:27 [INFO] [stderr] 10: 0x5ab029715646 - std::panicking::default_hook::h92d7423bfb093343 [INFO] [stderr] at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/panicking.rs:328:9 [INFO] [stderr] 11: 0x5ab029715161 - std::panicking::panic_with_hook::hfd863520fce8e281 [INFO] [stderr] at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/panicking.rs:834:13 [INFO] [stderr] 12: 0x5ab0297281da - std::panicking::panic_handler::{{closure}}::h75bad88e9628e7c4 [INFO] [stderr] at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/panicking.rs:707:13 [INFO] [stderr] 13: 0x5ab029728139 - std::sys::backtrace::__rust_end_short_backtrace::hba2ee9743eb3598b [INFO] [stderr] at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/sys/backtrace.rs:174:18 [INFO] [stderr] 14: 0x5ab02971509d - __rustc[d20f6e1e05d5ea87]::rust_begin_unwind [INFO] [stderr] at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/panicking.rs:698:5 [INFO] [stderr] 15: 0x5ab02974d740 - core::panicking::panic_fmt::h291b19446b355b1a [INFO] [stderr] at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/core/src/panicking.rs:75:14 [INFO] [stderr] 16: 0x5ab0296aed8b - build_script_build::cmd_finder::CommandFinder::must_have::{{closure}}::h19e9b4ee70dc7374 [INFO] [stderr] 17: 0x5ab0296aff05 - core::option::Option::unwrap_or_else::heb2fea829f33f9ea [INFO] [stderr] 18: 0x5ab0296ae6fc - build_script_build::cmd_finder::CommandFinder::must_have::h5c159c1a3052699b [INFO] [stderr] 19: 0x5ab0296ac345 - build_script_build::main::h23410ee62f0f9074 [INFO] [stderr] 20: 0x5ab0296a9b03 - core::ops::function::FnOnce::call_once::h229c28795e0537af [INFO] [stderr] 21: 0x5ab0296a9c26 - std::sys::backtrace::__rust_begin_short_backtrace::h433b0bc44933dacb [INFO] [stderr] 22: 0x5ab0296afc39 - std::rt::lang_start::{{closure}}::h91f382df497d70fc [INFO] [stderr] 23: 0x5ab0297289d0 - core::ops::function::impls:: for &F>::call_once::hd30f70589ce52217 [INFO] [stderr] at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/core/src/ops/function.rs:290:21 [INFO] [stderr] 24: 0x5ab0297289d0 - std::panicking::catch_unwind::do_call::h229a800b64964a72 [INFO] [stderr] at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/panicking.rs:590:40 [INFO] [stderr] 25: 0x5ab0297289d0 - std::panicking::catch_unwind::hf5b1c782bbaa8c87 [INFO] [stderr] at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/panicking.rs:553:19 [INFO] [stderr] 26: 0x5ab0297289d0 - std::panic::catch_unwind::h44fb21a21f79e7af [INFO] [stderr] at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/panic.rs:359:14 [INFO] [stderr] 27: 0x5ab0297289d0 - std::rt::lang_start_internal::{{closure}}::h3d19e32b9588f707 [INFO] [stderr] at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/rt.rs:175:24 [INFO] [stderr] 28: 0x5ab0297289d0 - std::panicking::catch_unwind::do_call::hf0c858106eb39fbd [INFO] [stderr] at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/panicking.rs:590:40 [INFO] [stderr] 29: 0x5ab0297289d0 - std::panicking::catch_unwind::h92692cc8e925ec21 [INFO] [stderr] at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/panicking.rs:553:19 [INFO] [stderr] 30: 0x5ab0297289d0 - std::panic::catch_unwind::h4f023f48f37702a5 [INFO] [stderr] at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/panic.rs:359:14 [INFO] [stderr] 31: 0x5ab0297289d0 - std::rt::lang_start_internal::h80fdaffb9834036d [INFO] [stderr] at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/rt.rs:171:5 [INFO] [stderr] 32: 0x5ab0296afc21 - std::rt::lang_start::h552ec91fcbe4fb8f [INFO] [stderr] 33: 0x5ab0296b0075 - main [INFO] [stderr] 34: 0x71844ec5e1ca - [INFO] [stderr] 35: 0x71844ec5e28b - __libc_start_main [INFO] [stderr] 36: 0x5ab0296a79c5 - _start [INFO] [stderr] 37: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "9db8edd38d1921d598386a3dda99d8e986da8e439e213fd50b04a51b20fb7cb6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9db8edd38d1921d598386a3dda99d8e986da8e439e213fd50b04a51b20fb7cb6", kill_on_drop: false }` [INFO] [stdout] 9db8edd38d1921d598386a3dda99d8e986da8e439e213fd50b04a51b20fb7cb6