[INFO] fetching crate rust-flatten-json 0.2.0... [INFO] checking rust-flatten-json-0.2.0 against try#51ad93974f526eaf4ede64932870490e6c96e4fd for pr-103293 [INFO] extracting crate rust-flatten-json 0.2.0 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate rust-flatten-json 0.2.0 on toolchain 51ad93974f526eaf4ede64932870490e6c96e4fd [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+51ad93974f526eaf4ede64932870490e6c96e4fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rust-flatten-json 0.2.0 [INFO] finished tweaking crates.io crate rust-flatten-json 0.2.0 [INFO] tweaked toml for crates.io crate rust-flatten-json 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate crates.io crate rust-flatten-json 0.2.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+51ad93974f526eaf4ede64932870490e6c96e4fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+51ad93974f526eaf4ede64932870490e6c96e4fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9a2c527c150b0f170febf19e1ed4be2323d6c7a8da3c2965ad23168c859a0d48 [INFO] running `Command { std: "docker" "start" "-a" "9a2c527c150b0f170febf19e1ed4be2323d6c7a8da3c2965ad23168c859a0d48", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9a2c527c150b0f170febf19e1ed4be2323d6c7a8da3c2965ad23168c859a0d48", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9a2c527c150b0f170febf19e1ed4be2323d6c7a8da3c2965ad23168c859a0d48", kill_on_drop: false }` [INFO] [stdout] 9a2c527c150b0f170febf19e1ed4be2323d6c7a8da3c2965ad23168c859a0d48 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+51ad93974f526eaf4ede64932870490e6c96e4fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 419439822df0aa7cc177fd6bbed29e675153b4e5709eb81f91aec32de4da97d8 [INFO] running `Command { std: "docker" "start" "-a" "419439822df0aa7cc177fd6bbed29e675153b4e5709eb81f91aec32de4da97d8", kill_on_drop: false }` [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Compiling error-chain v0.12.1 [INFO] [stderr] error: failed to run custom build command for `libc v0.2.66` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/libc-f40e4a7ce7daed2a/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'Failed to get rustc version', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libc-0.2.66/build.rs:7:31 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5611cde7a3b0 - std::backtrace_rs::backtrace::libunwind::trace::h1419d80c9ac2a9fd [INFO] [stderr] at /rustc/51ad93974f526eaf4ede64932870490e6c96e4fd/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 1: 0x5611cde7a3b0 - std::backtrace_rs::backtrace::trace_unsynchronized::he698a5b8b2577874 [INFO] [stderr] at /rustc/51ad93974f526eaf4ede64932870490e6c96e4fd/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x5611cde7a3b0 - std::sys_common::backtrace::_print_fmt::hbdf384d384fb25cf [INFO] [stderr] at /rustc/51ad93974f526eaf4ede64932870490e6c96e4fd/library/std/src/sys_common/backtrace.rs:65:5 [INFO] [stderr] 3: 0x5611cde7a3b0 - ::fmt::hdb7297875324e4d6 [INFO] [stderr] at /rustc/51ad93974f526eaf4ede64932870490e6c96e4fd/library/std/src/sys_common/backtrace.rs:44:22 [INFO] [stderr] 4: 0x5611cde9739e - core::fmt::write::h42b63953527cdfa8 [INFO] [stderr] at /rustc/51ad93974f526eaf4ede64932870490e6c96e4fd/library/core/src/fmt/mod.rs:1209:17 [INFO] [stderr] 5: 0x5611cde77965 - std::io::Write::write_fmt::h6a36540def9fb238 [INFO] [stderr] at /rustc/51ad93974f526eaf4ede64932870490e6c96e4fd/library/std/src/io/mod.rs:1682:15 [INFO] [stderr] 6: 0x5611cde7a175 - std::sys_common::backtrace::_print::h96d9171e4f94deb3 [INFO] [stderr] at /rustc/51ad93974f526eaf4ede64932870490e6c96e4fd/library/std/src/sys_common/backtrace.rs:47:5 [INFO] [stderr] 7: 0x5611cde7a175 - std::sys_common::backtrace::print::h60c894cbd66cb54b [INFO] [stderr] at /rustc/51ad93974f526eaf4ede64932870490e6c96e4fd/library/std/src/sys_common/backtrace.rs:34:9 [INFO] [stderr] 8: 0x5611cde7b87f - std::panicking::default_hook::{{closure}}::he7af5a1c47e1fc4a [INFO] [stderr] at /rustc/51ad93974f526eaf4ede64932870490e6c96e4fd/library/std/src/panicking.rs:267:22 [INFO] [stderr] 9: 0x5611cde7b5ba - std::panicking::default_hook::h3c0f799d941cd73a [INFO] [stderr] at /rustc/51ad93974f526eaf4ede64932870490e6c96e4fd/library/std/src/panicking.rs:286:9 [INFO] [stderr] 10: 0x5611cde7bf78 - std::panicking::rust_panic_with_hook::h8f692041c1ee4ad0 [INFO] [stderr] at /rustc/51ad93974f526eaf4ede64932870490e6c96e4fd/library/std/src/panicking.rs:688:13 [INFO] [stderr] 11: 0x5611cde7bd17 - std::panicking::begin_panic_handler::{{closure}}::h56231daa81f977d4 [INFO] [stderr] at /rustc/51ad93974f526eaf4ede64932870490e6c96e4fd/library/std/src/panicking.rs:579:13 [INFO] [stderr] 12: 0x5611cde7a85c - std::sys_common::backtrace::__rust_end_short_backtrace::hac58659f7b10831b [INFO] [stderr] at /rustc/51ad93974f526eaf4ede64932870490e6c96e4fd/library/std/src/sys_common/backtrace.rs:137:18 [INFO] [stderr] 13: 0x5611cde7ba32 - rust_begin_unwind [INFO] [stderr] at /rustc/51ad93974f526eaf4ede64932870490e6c96e4fd/library/std/src/panicking.rs:575:5 [INFO] [stderr] 14: 0x5611cde54083 - core::panicking::panic_fmt::h2c4ecf0ce6f140fe [INFO] [stderr] at /rustc/51ad93974f526eaf4ede64932870490e6c96e4fd/library/core/src/panicking.rs:65:14 [INFO] [stderr] 15: 0x5611cde96641 - core::panicking::panic_display::he84e60b640a548c2 [INFO] [stderr] at /rustc/51ad93974f526eaf4ede64932870490e6c96e4fd/library/core/src/panicking.rs:139:5 [INFO] [stderr] 16: 0x5611cde965eb - core::panicking::panic_str::h57fb792ca83a5c49 [INFO] [stderr] at /rustc/51ad93974f526eaf4ede64932870490e6c96e4fd/library/core/src/panicking.rs:123:5 [INFO] [stderr] 17: 0x5611cde54046 - core::option::expect_failed::hdbd6d663a1bd2d6c [INFO] [stderr] at /rustc/51ad93974f526eaf4ede64932870490e6c96e4fd/library/core/src/option.rs:1876:5 [INFO] [stderr] 18: 0x5611cde5dd82 - core::option::Option::expect::h8ce50bfecebba8a0 [INFO] [stderr] at /rustc/51ad93974f526eaf4ede64932870490e6c96e4fd/library/core/src/option.rs:741:21 [INFO] [stderr] 19: 0x5611cde5b237 - build_script_build::main::h33786102d704d5a8 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libc-0.2.66/build.rs:7:9 [INFO] [stderr] 20: 0x5611cde59d6b - core::ops::function::FnOnce::call_once::h96a192b728f2b220 [INFO] [stderr] at /rustc/51ad93974f526eaf4ede64932870490e6c96e4fd/library/core/src/ops/function.rs:251:5 [INFO] [stderr] 21: 0x5611cde5d7be - std::sys_common::backtrace::__rust_begin_short_backtrace::h4a10839178db7498 [INFO] [stderr] at /rustc/51ad93974f526eaf4ede64932870490e6c96e4fd/library/std/src/sys_common/backtrace.rs:121:18 [INFO] [stderr] 22: 0x5611cde566f1 - std::rt::lang_start::{{closure}}::h0d771f6a41d377a9 [INFO] [stderr] at /rustc/51ad93974f526eaf4ede64932870490e6c96e4fd/library/std/src/rt.rs:166:18 [INFO] [stderr] 23: 0x5611cde74dcb - core::ops::function::impls:: for &F>::call_once::h2754d673c53fd612 [INFO] [stderr] at /rustc/51ad93974f526eaf4ede64932870490e6c96e4fd/library/core/src/ops/function.rs:286:13 [INFO] [stderr] 24: 0x5611cde74dcb - std::panicking::try::do_call::h3767ac031dfe4f87 [INFO] [stderr] at /rustc/51ad93974f526eaf4ede64932870490e6c96e4fd/library/std/src/panicking.rs:483:40 [INFO] [stderr] 25: 0x5611cde74dcb - std::panicking::try::h01773a7de0669cb3 [INFO] [stderr] at /rustc/51ad93974f526eaf4ede64932870490e6c96e4fd/library/std/src/panicking.rs:447:19 [INFO] [stderr] 26: 0x5611cde74dcb - std::panic::catch_unwind::h577f854a9573b77d [INFO] [stderr] at /rustc/51ad93974f526eaf4ede64932870490e6c96e4fd/library/std/src/panic.rs:137:14 [INFO] [stderr] 27: 0x5611cde74dcb - std::rt::lang_start_internal::{{closure}}::hcd0a5d831b0d892a [INFO] [stderr] at /rustc/51ad93974f526eaf4ede64932870490e6c96e4fd/library/std/src/rt.rs:148:48 [INFO] [stderr] 28: 0x5611cde74dcb - std::panicking::try::do_call::hb8f741895081b6fd [INFO] [stderr] at /rustc/51ad93974f526eaf4ede64932870490e6c96e4fd/library/std/src/panicking.rs:483:40 [INFO] [stderr] 29: 0x5611cde74dcb - std::panicking::try::hb09f773cdbd4630b [INFO] [stderr] at /rustc/51ad93974f526eaf4ede64932870490e6c96e4fd/library/std/src/panicking.rs:447:19 [INFO] [stderr] 30: 0x5611cde74dcb - std::panic::catch_unwind::hace79670d412efdd [INFO] [stderr] at /rustc/51ad93974f526eaf4ede64932870490e6c96e4fd/library/std/src/panic.rs:137:14 [INFO] [stderr] 31: 0x5611cde74dcb - std::rt::lang_start_internal::h74a9ba6d907a6856 [INFO] [stderr] at /rustc/51ad93974f526eaf4ede64932870490e6c96e4fd/library/std/src/rt.rs:148:20 [INFO] [stderr] 32: 0x5611cde566ca - std::rt::lang_start::hbf2db2d11c3f84e8 [INFO] [stderr] at /rustc/51ad93974f526eaf4ede64932870490e6c96e4fd/library/std/src/rt.rs:165:17 [INFO] [stderr] 33: 0x5611cde5c6e1 - main [INFO] [stderr] 34: 0x7fd5f3f99083 - __libc_start_main [INFO] [stderr] 35: 0x5611cde543ce - _start [INFO] [stderr] 36: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "419439822df0aa7cc177fd6bbed29e675153b4e5709eb81f91aec32de4da97d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "419439822df0aa7cc177fd6bbed29e675153b4e5709eb81f91aec32de4da97d8", kill_on_drop: false }` [INFO] [stdout] 419439822df0aa7cc177fd6bbed29e675153b4e5709eb81f91aec32de4da97d8