[INFO] fetching crate sel 0.1.1... [INFO] checking sel-0.1.1 against try#388b725dea7416978ab58ab1f908139d530308a7 for pr-99943 [INFO] extracting crate sel 0.1.1 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate sel 0.1.1 on toolchain 388b725dea7416978ab58ab1f908139d530308a7 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+388b725dea7416978ab58ab1f908139d530308a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate sel 0.1.1 [INFO] finished tweaking crates.io crate sel 0.1.1 [INFO] tweaked toml for crates.io crate sel 0.1.1 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate crates.io crate sel 0.1.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+388b725dea7416978ab58ab1f908139d530308a7" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+388b725dea7416978ab58ab1f908139d530308a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c1e3c42ffece7775d018fdd0cfabb1e713c38489ec95f8b38b62acfe340c32f7 [INFO] running `Command { std: "docker" "start" "-a" "c1e3c42ffece7775d018fdd0cfabb1e713c38489ec95f8b38b62acfe340c32f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c1e3c42ffece7775d018fdd0cfabb1e713c38489ec95f8b38b62acfe340c32f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c1e3c42ffece7775d018fdd0cfabb1e713c38489ec95f8b38b62acfe340c32f7", kill_on_drop: false }` [INFO] [stdout] c1e3c42ffece7775d018fdd0cfabb1e713c38489ec95f8b38b62acfe340c32f7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+388b725dea7416978ab58ab1f908139d530308a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f755822be36b2163606736252672641beb44eb84bfcac80ebecbb0b036d67bd2 [INFO] running `Command { std: "docker" "start" "-a" "f755822be36b2163606736252672641beb44eb84bfcac80ebecbb0b036d67bd2", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking regex-syntax v0.6.12 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking same-file v1.0.5 [INFO] [stderr] Checking yaml-rust v0.3.5 [INFO] [stderr] Checking maplit v1.0.2 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking walkdir v2.2.9 [INFO] [stderr] Checking textwrap v0.11.0 [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: 0x55d37d8fe120 - std::backtrace_rs::backtrace::libunwind::trace::hc291403ee708aa9d [INFO] [stderr] at /rustc/388b725dea7416978ab58ab1f908139d530308a7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 1: 0x55d37d8fe120 - std::backtrace_rs::backtrace::trace_unsynchronized::h760224b5bffe76c3 [INFO] [stderr] at /rustc/388b725dea7416978ab58ab1f908139d530308a7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55d37d8fe120 - std::sys_common::backtrace::_print_fmt::hd490fcde0a3421f8 [INFO] [stderr] at /rustc/388b725dea7416978ab58ab1f908139d530308a7/library/std/src/sys_common/backtrace.rs:66:5 [INFO] [stderr] 3: 0x55d37d8fe120 - ::fmt::h520137f6f6087f73 [INFO] [stderr] at /rustc/388b725dea7416978ab58ab1f908139d530308a7/library/std/src/sys_common/backtrace.rs:45:22 [INFO] [stderr] 4: 0x55d37d91b28e - core::fmt::write::ha64f0480f5625ee4 [INFO] [stderr] at /rustc/388b725dea7416978ab58ab1f908139d530308a7/library/core/src/fmt/mod.rs:1209:17 [INFO] [stderr] 5: 0x55d37d8fb3e5 - std::io::Write::write_fmt::h07c8cdce5e276981 [INFO] [stderr] at /rustc/388b725dea7416978ab58ab1f908139d530308a7/library/std/src/io/mod.rs:1679:15 [INFO] [stderr] 6: 0x55d37d8ff7b3 - std::sys_common::backtrace::_print::h3f5685085b4e1cf2 [INFO] [stderr] at /rustc/388b725dea7416978ab58ab1f908139d530308a7/library/std/src/sys_common/backtrace.rs:48:5 [INFO] [stderr] 7: 0x55d37d8ff7b3 - std::sys_common::backtrace::print::ha1967f26ae823009 [INFO] [stderr] at /rustc/388b725dea7416978ab58ab1f908139d530308a7/library/std/src/sys_common/backtrace.rs:35:9 [INFO] [stderr] 8: 0x55d37d8ff7b3 - std::panicking::default_hook::{{closure}}::h6c36fb184dbda23e [INFO] [stderr] at /rustc/388b725dea7416978ab58ab1f908139d530308a7/library/std/src/panicking.rs:267:22 [INFO] [stderr] 9: 0x55d37d8ff48a - std::panicking::default_hook::ha47c99598c3e66ef [INFO] [stderr] at /rustc/388b725dea7416978ab58ab1f908139d530308a7/library/std/src/panicking.rs:286:9 [INFO] [stderr] 10: 0x55d37d8ffe59 - std::panicking::rust_panic_with_hook::hf4220eb19daaad2e [INFO] [stderr] at /rustc/388b725dea7416978ab58ab1f908139d530308a7/library/std/src/panicking.rs:669:13 [INFO] [stderr] 11: 0x55d37d8ffd57 - std::panicking::begin_panic_handler::{{closure}}::h31c1f9f91cf5593e [INFO] [stderr] at /rustc/388b725dea7416978ab58ab1f908139d530308a7/library/std/src/panicking.rs:560:13 [INFO] [stderr] 12: 0x55d37d8fe5cc - std::sys_common::backtrace::__rust_end_short_backtrace::hbcd5040fa1aed4d8 [INFO] [stderr] at /rustc/388b725dea7416978ab58ab1f908139d530308a7/library/std/src/sys_common/backtrace.rs:138:18 [INFO] [stderr] 13: 0x55d37d8ffa72 - rust_begin_unwind [INFO] [stderr] at /rustc/388b725dea7416978ab58ab1f908139d530308a7/library/std/src/panicking.rs:556:5 [INFO] [stderr] 14: 0x55d37d8d7b43 - core::panicking::panic_fmt::he926e27f85db5422 [INFO] [stderr] at /rustc/388b725dea7416978ab58ab1f908139d530308a7/library/core/src/panicking.rs:142:14 [INFO] [stderr] 15: 0x55d37d91a531 - core::panicking::panic_display::h75abb4c900ab75f2 [INFO] [stderr] at /rustc/388b725dea7416978ab58ab1f908139d530308a7/library/core/src/panicking.rs:72:5 [INFO] [stderr] 16: 0x55d37d91a4db - core::panicking::panic_str::hfb7381e557d267e7 [INFO] [stderr] at /rustc/388b725dea7416978ab58ab1f908139d530308a7/library/core/src/panicking.rs:56:5 [INFO] [stderr] 17: 0x55d37d8d79b6 - core::option::expect_failed::h494c32649062b1eb [INFO] [stderr] at /rustc/388b725dea7416978ab58ab1f908139d530308a7/library/core/src/option.rs:1873:5 [INFO] [stderr] 18: 0x55d37d8e1712 - core::option::Option::expect::h6f4635a187334060 [INFO] [stderr] at /rustc/388b725dea7416978ab58ab1f908139d530308a7/library/core/src/option.rs:738:21 [INFO] [stderr] 19: 0x55d37d8deb67 - build_script_build::main::h69826b4d89aa8e3a [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libc-0.2.66/build.rs:7:9 [INFO] [stderr] 20: 0x55d37d8dd6eb - core::ops::function::FnOnce::call_once::ha15da1e89ef307c7 [INFO] [stderr] at /rustc/388b725dea7416978ab58ab1f908139d530308a7/library/core/src/ops/function.rs:510:5 [INFO] [stderr] 21: 0x55d37d8e083e - std::sys_common::backtrace::__rust_begin_short_backtrace::h006781efc6e607db [INFO] [stderr] at /rustc/388b725dea7416978ab58ab1f908139d530308a7/library/std/src/sys_common/backtrace.rs:122:18 [INFO] [stderr] 22: 0x55d37d8da021 - std::rt::lang_start::{{closure}}::h7a05c412437e5a0c [INFO] [stderr] at /rustc/388b725dea7416978ab58ab1f908139d530308a7/library/std/src/rt.rs:166:18 [INFO] [stderr] 23: 0x55d37d8f891f - core::ops::function::impls:: for &F>::call_once::hf19e9c3abffad535 [INFO] [stderr] at /rustc/388b725dea7416978ab58ab1f908139d530308a7/library/core/src/ops/function.rs:606:13 [INFO] [stderr] 24: 0x55d37d8f891f - std::panicking::try::do_call::h1375505a5c13a7cd [INFO] [stderr] at /rustc/388b725dea7416978ab58ab1f908139d530308a7/library/std/src/panicking.rs:464:40 [INFO] [stderr] 25: 0x55d37d8f891f - std::panicking::try::h9802b02699c00b42 [INFO] [stderr] at /rustc/388b725dea7416978ab58ab1f908139d530308a7/library/std/src/panicking.rs:428:19 [INFO] [stderr] 26: 0x55d37d8f891f - std::panic::catch_unwind::hda116a5f00b8ca30 [INFO] [stderr] at /rustc/388b725dea7416978ab58ab1f908139d530308a7/library/std/src/panic.rs:137:14 [INFO] [stderr] 27: 0x55d37d8f891f - std::rt::lang_start_internal::{{closure}}::h43418b1565142d47 [INFO] [stderr] at /rustc/388b725dea7416978ab58ab1f908139d530308a7/library/std/src/rt.rs:148:48 [INFO] [stderr] 28: 0x55d37d8f891f - std::panicking::try::do_call::h67406d4e5a9f45f7 [INFO] [stderr] at /rustc/388b725dea7416978ab58ab1f908139d530308a7/library/std/src/panicking.rs:464:40 [INFO] [stderr] 29: 0x55d37d8f891f - std::panicking::try::ha362d204fbce7ce6 [INFO] [stderr] at /rustc/388b725dea7416978ab58ab1f908139d530308a7/library/std/src/panicking.rs:428:19 [INFO] [stderr] 30: 0x55d37d8f891f - std::panic::catch_unwind::h41066aa5d4f2fc32 [INFO] [stderr] at /rustc/388b725dea7416978ab58ab1f908139d530308a7/library/std/src/panic.rs:137:14 [INFO] [stderr] 31: 0x55d37d8f891f - std::rt::lang_start_internal::hbc40ef0378be60f8 [INFO] [stderr] at /rustc/388b725dea7416978ab58ab1f908139d530308a7/library/std/src/rt.rs:148:20 [INFO] [stderr] 32: 0x55d37d8d9ffa - std::rt::lang_start::h3aefb30c16a4fb5e [INFO] [stderr] at /rustc/388b725dea7416978ab58ab1f908139d530308a7/library/std/src/rt.rs:165:17 [INFO] [stderr] 33: 0x55d37d8e0011 - main [INFO] [stderr] 34: 0x7fea7c1b0083 - __libc_start_main [INFO] [stderr] 35: 0x55d37d8d7d1e - _start [INFO] [stderr] 36: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "f755822be36b2163606736252672641beb44eb84bfcac80ebecbb0b036d67bd2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f755822be36b2163606736252672641beb44eb84bfcac80ebecbb0b036d67bd2", kill_on_drop: false }` [INFO] [stdout] f755822be36b2163606736252672641beb44eb84bfcac80ebecbb0b036d67bd2