[INFO] fetching crate rufet 0.1.1...
[INFO] checking rufet-0.1.1 against try#7f168b18704203996d3698515c88a036a9300946 for pr-102713
[INFO] extracting crate rufet 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rufet 0.1.1 on toolchain 7f168b18704203996d3698515c88a036a9300946
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f168b18704203996d3698515c88a036a9300946" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rufet 0.1.1
[INFO] finished tweaking crates.io crate rufet 0.1.1
[INFO] tweaked toml for crates.io crate rufet 0.1.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate rufet 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f168b18704203996d3698515c88a036a9300946" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+7f168b18704203996d3698515c88a036a9300946" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 460332cf0a9caec035da9be48c3287026fbe38ddfaa7ac26cfa34c5ba4028e72
[INFO] running `Command { std: "docker" "start" "-a" "460332cf0a9caec035da9be48c3287026fbe38ddfaa7ac26cfa34c5ba4028e72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "460332cf0a9caec035da9be48c3287026fbe38ddfaa7ac26cfa34c5ba4028e72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "460332cf0a9caec035da9be48c3287026fbe38ddfaa7ac26cfa34c5ba4028e72", kill_on_drop: false }`
[INFO] [stdout] 460332cf0a9caec035da9be48c3287026fbe38ddfaa7ac26cfa34c5ba4028e72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+7f168b18704203996d3698515c88a036a9300946" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08e63149908e6bd26f12ee5469778bc71b5a1c4f6a0c5a68080791d67f1b7977
[INFO] running `Command { std: "docker" "start" "-a" "08e63149908e6bd26f12ee5469778bc71b5a1c4f6a0c5a68080791d67f1b7977", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling libc v0.2.106
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr] error: failed to run custom build command for `libc v0.2.106`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/libc-c9fa69ce2d3e772b/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=build.rs
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'Failed to get rustc version', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libc-0.2.106/build.rs:9:63
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5600679510c0 - std::backtrace_rs::backtrace::libunwind::trace::h272192fd415f0b3c
[INFO] [stderr]                                  at /rustc/7f168b18704203996d3698515c88a036a9300946/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      1:     0x5600679510c0 - std::backtrace_rs::backtrace::trace_unsynchronized::h2a5e0630b0e0d881
[INFO] [stderr]                                  at /rustc/7f168b18704203996d3698515c88a036a9300946/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5600679510c0 - std::sys_common::backtrace::_print_fmt::hf57808ada21b1ebf
[INFO] [stderr]                                  at /rustc/7f168b18704203996d3698515c88a036a9300946/library/std/src/sys_common/backtrace.rs:66:5
[INFO] [stderr]      3:     0x5600679510c0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h18ae96d7db9628ad
[INFO] [stderr]                                  at /rustc/7f168b18704203996d3698515c88a036a9300946/library/std/src/sys_common/backtrace.rs:45:22
[INFO] [stderr]      4:     0x56006796e22e - core::fmt::write::hee6b0532721a8651
[INFO] [stderr]                                  at /rustc/7f168b18704203996d3698515c88a036a9300946/library/core/src/fmt/mod.rs:1209:17
[INFO] [stderr]      5:     0x56006794e385 - std::io::Write::write_fmt::hafba618f3bc97454
[INFO] [stderr]                                  at /rustc/7f168b18704203996d3698515c88a036a9300946/library/std/src/io/mod.rs:1679:15
[INFO] [stderr]      6:     0x560067952753 - std::sys_common::backtrace::_print::h74fb997f2b55d4f9
[INFO] [stderr]                                  at /rustc/7f168b18704203996d3698515c88a036a9300946/library/std/src/sys_common/backtrace.rs:48:5
[INFO] [stderr]      7:     0x560067952753 - std::sys_common::backtrace::print::he49c1d9f151f97f9
[INFO] [stderr]                                  at /rustc/7f168b18704203996d3698515c88a036a9300946/library/std/src/sys_common/backtrace.rs:35:9
[INFO] [stderr]      8:     0x560067952753 - std::panicking::default_hook::{{closure}}::h2f6b0a6a52bc561a
[INFO] [stderr]                                  at /rustc/7f168b18704203996d3698515c88a036a9300946/library/std/src/panicking.rs:267:22
[INFO] [stderr]      9:     0x56006795242a - std::panicking::default_hook::hf844ebabb730aed2
[INFO] [stderr]                                  at /rustc/7f168b18704203996d3698515c88a036a9300946/library/std/src/panicking.rs:286:9
[INFO] [stderr]     10:     0x560067952df9 - std::panicking::rust_panic_with_hook::hb422611a3d08d6cf
[INFO] [stderr]                                  at /rustc/7f168b18704203996d3698515c88a036a9300946/library/std/src/panicking.rs:669:13
[INFO] [stderr]     11:     0x560067952cf7 - std::panicking::begin_panic_handler::{{closure}}::hd9e8a37e387fa997
[INFO] [stderr]                                  at /rustc/7f168b18704203996d3698515c88a036a9300946/library/std/src/panicking.rs:560:13
[INFO] [stderr]     12:     0x56006795156c - std::sys_common::backtrace::__rust_end_short_backtrace::hd2534f8e5fcb87d5
[INFO] [stderr]                                  at /rustc/7f168b18704203996d3698515c88a036a9300946/library/std/src/sys_common/backtrace.rs:138:18
[INFO] [stderr]     13:     0x560067952a12 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/7f168b18704203996d3698515c88a036a9300946/library/std/src/panicking.rs:556:5
[INFO] [stderr]     14:     0x56006792ab43 - core::panicking::panic_fmt::h5f2bd38a25d40d16
[INFO] [stderr]                                  at /rustc/7f168b18704203996d3698515c88a036a9300946/library/core/src/panicking.rs:142:14
[INFO] [stderr]     15:     0x56006796d4d1 - core::panicking::panic_display::hb3c8e308bae025f9
[INFO] [stderr]                                  at /rustc/7f168b18704203996d3698515c88a036a9300946/library/core/src/panicking.rs:72:5
[INFO] [stderr]     16:     0x56006796d47b - core::panicking::panic_str::h630f9c845e2055b6
[INFO] [stderr]                                  at /rustc/7f168b18704203996d3698515c88a036a9300946/library/core/src/panicking.rs:56:5
[INFO] [stderr]     17:     0x56006792a9b6 - core::option::expect_failed::h3e8649517490df51
[INFO] [stderr]                                  at /rustc/7f168b18704203996d3698515c88a036a9300946/library/core/src/option.rs:1876:5
[INFO] [stderr]     18:     0x560067934772 - core::option::Option<T>::expect::h6aea51de8d7d1d02
[INFO] [stderr]                                  at /rustc/7f168b18704203996d3698515c88a036a9300946/library/core/src/option.rs:741:21
[INFO] [stderr]     19:     0x560067930794 - build_script_build::main::hccea6a098cca9132
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libc-0.2.106/build.rs:9:41
[INFO] [stderr]     20:     0x560067931cfb - core::ops::function::FnOnce::call_once::hfd23dc95c0a6bd20
[INFO] [stderr]                                  at /rustc/7f168b18704203996d3698515c88a036a9300946/library/core/src/ops/function.rs:251:5
[INFO] [stderr]     21:     0x56006793395e - std::sys_common::backtrace::__rust_begin_short_backtrace::h15538070a6107ee7
[INFO] [stderr]                                  at /rustc/7f168b18704203996d3698515c88a036a9300946/library/std/src/sys_common/backtrace.rs:122:18
[INFO] [stderr]     22:     0x56006792d021 - std::rt::lang_start::{{closure}}::hf8711a4ffd102022
[INFO] [stderr]                                  at /rustc/7f168b18704203996d3698515c88a036a9300946/library/std/src/rt.rs:166:18
[INFO] [stderr]     23:     0x56006794b8bf - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h4518e1ceb08ee63b
[INFO] [stderr]                                  at /rustc/7f168b18704203996d3698515c88a036a9300946/library/core/src/ops/function.rs:286:13
[INFO] [stderr]     24:     0x56006794b8bf - std::panicking::try::do_call::ha4bd51994a547f8d
[INFO] [stderr]                                  at /rustc/7f168b18704203996d3698515c88a036a9300946/library/std/src/panicking.rs:464:40
[INFO] [stderr]     25:     0x56006794b8bf - std::panicking::try::h1fdf560e3d8f43e9
[INFO] [stderr]                                  at /rustc/7f168b18704203996d3698515c88a036a9300946/library/std/src/panicking.rs:428:19
[INFO] [stderr]     26:     0x56006794b8bf - std::panic::catch_unwind::hf4b79a1c754b919d
[INFO] [stderr]                                  at /rustc/7f168b18704203996d3698515c88a036a9300946/library/std/src/panic.rs:137:14
[INFO] [stderr]     27:     0x56006794b8bf - std::rt::lang_start_internal::{{closure}}::h1efda4d50caf5f5b
[INFO] [stderr]                                  at /rustc/7f168b18704203996d3698515c88a036a9300946/library/std/src/rt.rs:148:48
[INFO] [stderr]     28:     0x56006794b8bf - std::panicking::try::do_call::h9c8f2157596b2765
[INFO] [stderr]                                  at /rustc/7f168b18704203996d3698515c88a036a9300946/library/std/src/panicking.rs:464:40
[INFO] [stderr]     29:     0x56006794b8bf - std::panicking::try::h3f8942930b75dc06
[INFO] [stderr]                                  at /rustc/7f168b18704203996d3698515c88a036a9300946/library/std/src/panicking.rs:428:19
[INFO] [stderr]     30:     0x56006794b8bf - std::panic::catch_unwind::h295fbf51d54777f7
[INFO] [stderr]                                  at /rustc/7f168b18704203996d3698515c88a036a9300946/library/std/src/panic.rs:137:14
[INFO] [stderr]     31:     0x56006794b8bf - std::rt::lang_start_internal::hc8e9a2b848d5858d
[INFO] [stderr]                                  at /rustc/7f168b18704203996d3698515c88a036a9300946/library/std/src/rt.rs:148:20
[INFO] [stderr]     32:     0x56006792cffa - std::rt::lang_start::hb15c39a74b3af386
[INFO] [stderr]                                  at /rustc/7f168b18704203996d3698515c88a036a9300946/library/std/src/rt.rs:165:17
[INFO] [stderr]     33:     0x560067931c71 - main
[INFO] [stderr]     34:     0x7fb79e7fb083 - __libc_start_main
[INFO] [stderr]     35:     0x56006792ad1e - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "08e63149908e6bd26f12ee5469778bc71b5a1c4f6a0c5a68080791d67f1b7977", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08e63149908e6bd26f12ee5469778bc71b5a1c4f6a0c5a68080791d67f1b7977", kill_on_drop: false }`
[INFO] [stdout] 08e63149908e6bd26f12ee5469778bc71b5a1c4f6a0c5a68080791d67f1b7977