[INFO] fetching crate runkins_lib 0.1.0...
[INFO] checking runkins_lib-0.1.0 against try#d4bd6c543d189dee2fa075d0b37e31ddc7d111a4 for pr-106073
[INFO] extracting crate runkins_lib 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate runkins_lib 0.1.0 on toolchain d4bd6c543d189dee2fa075d0b37e31ddc7d111a4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d4bd6c543d189dee2fa075d0b37e31ddc7d111a4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate runkins_lib 0.1.0
[INFO] finished tweaking crates.io crate runkins_lib 0.1.0
[INFO] tweaked toml for crates.io crate runkins_lib 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate runkins_lib 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d4bd6c543d189dee2fa075d0b37e31ddc7d111a4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:9db6adea6fe108e8475f2314ed6ea91319efc655499b550640da2809d69ffe6a" "/opt/rustwide/cargo-home/bin/cargo" "+d4bd6c543d189dee2fa075d0b37e31ddc7d111a4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c60d35a3564325a21869da2d9d2960c58372b3f52b9b00e42936e4034f66439
[INFO] running `Command { std: "docker" "start" "-a" "8c60d35a3564325a21869da2d9d2960c58372b3f52b9b00e42936e4034f66439", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c60d35a3564325a21869da2d9d2960c58372b3f52b9b00e42936e4034f66439", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c60d35a3564325a21869da2d9d2960c58372b3f52b9b00e42936e4034f66439", kill_on_drop: false }`
[INFO] [stdout] 8c60d35a3564325a21869da2d9d2960c58372b3f52b9b00e42936e4034f66439
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:9db6adea6fe108e8475f2314ed6ea91319efc655499b550640da2809d69ffe6a" "/opt/rustwide/cargo-home/bin/cargo" "+d4bd6c543d189dee2fa075d0b37e31ddc7d111a4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68dd802b128533f9bee692fc512fa4eab6775ae73f5c48e391f8810fdb2455cc
[INFO] running `Command { std: "docker" "start" "-a" "68dd802b128533f9bee692fc512fa4eab6775ae73f5c48e391f8810fdb2455cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr] error: failed to run custom build command for `libc v0.2.107`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/libc-084cb9b1988b985d/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-0.2.107/build.rs:9:63
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x563ce21dd59a - std::backtrace_rs::backtrace::libunwind::trace::h3b7c2b646ee7f9ec
[INFO] [stderr]                                  at /rustc/d4bd6c543d189dee2fa075d0b37e31ddc7d111a4/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]      1:     0x563ce21dd59a - std::backtrace_rs::backtrace::trace_unsynchronized::h1b927fca9b7ee506
[INFO] [stderr]                                  at /rustc/d4bd6c543d189dee2fa075d0b37e31ddc7d111a4/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x563ce21dd59a - std::sys_common::backtrace::_print_fmt::h10ae608444ab7816
[INFO] [stderr]                                  at /rustc/d4bd6c543d189dee2fa075d0b37e31ddc7d111a4/library/std/src/sys_common/backtrace.rs:65:5
[INFO] [stderr]      3:     0x563ce21dd59a - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::ha68eca230a760f76
[INFO] [stderr]                                  at /rustc/d4bd6c543d189dee2fa075d0b37e31ddc7d111a4/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x563ce21fac5e - core::fmt::write::hc8e2b265e29726fa
[INFO] [stderr]                                  at /rustc/d4bd6c543d189dee2fa075d0b37e31ddc7d111a4/library/core/src/fmt/mod.rs:1208:17
[INFO] [stderr]      5:     0x563ce21db155 - std::io::Write::write_fmt::h9e4be8a7609c4f2f
[INFO] [stderr]                                  at /rustc/d4bd6c543d189dee2fa075d0b37e31ddc7d111a4/library/std/src/io/mod.rs:1682:15
[INFO] [stderr]      6:     0x563ce21dd365 - std::sys_common::backtrace::_print::h673ef5fd934dcd13
[INFO] [stderr]                                  at /rustc/d4bd6c543d189dee2fa075d0b37e31ddc7d111a4/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      7:     0x563ce21dd365 - std::sys_common::backtrace::print::h93484b8c78ab2ad4
[INFO] [stderr]                                  at /rustc/d4bd6c543d189dee2fa075d0b37e31ddc7d111a4/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      8:     0x563ce21de9ef - std::panicking::default_hook::{{closure}}::heca9e3c4c1ba2a65
[INFO] [stderr]                                  at /rustc/d4bd6c543d189dee2fa075d0b37e31ddc7d111a4/library/std/src/panicking.rs:267:22
[INFO] [stderr]      9:     0x563ce21de72b - std::panicking::default_hook::h48d2c50e2ed1b5c4
[INFO] [stderr]                                  at /rustc/d4bd6c543d189dee2fa075d0b37e31ddc7d111a4/library/std/src/panicking.rs:286:9
[INFO] [stderr]     10:     0x563ce21df0fc - std::panicking::rust_panic_with_hook::hef7167ba9254c26f
[INFO] [stderr]                                  at /rustc/d4bd6c543d189dee2fa075d0b37e31ddc7d111a4/library/std/src/panicking.rs:688:13
[INFO] [stderr]     11:     0x563ce21dee99 - std::panicking::begin_panic_handler::{{closure}}::h694f6688b54819dd
[INFO] [stderr]                                  at /rustc/d4bd6c543d189dee2fa075d0b37e31ddc7d111a4/library/std/src/panicking.rs:579:13
[INFO] [stderr]     12:     0x563ce21dda4c - std::sys_common::backtrace::__rust_end_short_backtrace::hcf3991c4029185fb
[INFO] [stderr]                                  at /rustc/d4bd6c543d189dee2fa075d0b37e31ddc7d111a4/library/std/src/sys_common/backtrace.rs:137:18
[INFO] [stderr]     13:     0x563ce21deba2 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/d4bd6c543d189dee2fa075d0b37e31ddc7d111a4/library/std/src/panicking.rs:575:5
[INFO] [stderr]     14:     0x563ce21b71f3 - core::panicking::panic_fmt::h22e2e4206af32449
[INFO] [stderr]                                  at /rustc/d4bd6c543d189dee2fa075d0b37e31ddc7d111a4/library/core/src/panicking.rs:64:14
[INFO] [stderr]     15:     0x563ce21fa101 - core::panicking::panic_display::h144fc25e9dc0b7a7
[INFO] [stderr]                                  at /rustc/d4bd6c543d189dee2fa075d0b37e31ddc7d111a4/library/core/src/panicking.rs:135:5
[INFO] [stderr]     16:     0x563ce21fa0ab - core::panicking::panic_str::hd6f0e7f2d20e0667
[INFO] [stderr]                                  at /rustc/d4bd6c543d189dee2fa075d0b37e31ddc7d111a4/library/core/src/panicking.rs:119:5
[INFO] [stderr]     17:     0x563ce21b71b6 - core::option::expect_failed::h8b37a16981988324
[INFO] [stderr]                                  at /rustc/d4bd6c543d189dee2fa075d0b37e31ddc7d111a4/library/core/src/option.rs:1923:5
[INFO] [stderr]     18:     0x563ce21b90d4 - core::option::Option<T>::expect::hd5e04a3563d82b82
[INFO] [stderr]                                  at /rustc/d4bd6c543d189dee2fa075d0b37e31ddc7d111a4/library/core/src/option.rs:785:21
[INFO] [stderr]     19:     0x563ce21bcd8e - build_script_build::main::h76a7a782b9a657a3
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libc-0.2.107/build.rs:9:41
[INFO] [stderr]     20:     0x563ce21bf12b - core::ops::function::FnOnce::call_once::ha8c48cdb38660799
[INFO] [stderr]                                  at /rustc/d4bd6c543d189dee2fa075d0b37e31ddc7d111a4/library/core/src/ops/function.rs:507:5
[INFO] [stderr]     21:     0x563ce21c0c7e - std::sys_common::backtrace::__rust_begin_short_backtrace::h79244e2dd1a0cc4a
[INFO] [stderr]                                  at /rustc/d4bd6c543d189dee2fa075d0b37e31ddc7d111a4/library/std/src/sys_common/backtrace.rs:121:18
[INFO] [stderr]     22:     0x563ce21ba031 - std::rt::lang_start::{{closure}}::hcfaee292c5bfebb6
[INFO] [stderr]                                  at /rustc/d4bd6c543d189dee2fa075d0b37e31ddc7d111a4/library/std/src/rt.rs:166:18
[INFO] [stderr]     23:     0x563ce21d84ec - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h627deaa0762494a2
[INFO] [stderr]                                  at /rustc/d4bd6c543d189dee2fa075d0b37e31ddc7d111a4/library/core/src/ops/function.rs:606:13
[INFO] [stderr]     24:     0x563ce21d84ec - std::panicking::try::do_call::h61a67c203230cc79
[INFO] [stderr]                                  at /rustc/d4bd6c543d189dee2fa075d0b37e31ddc7d111a4/library/std/src/panicking.rs:483:40
[INFO] [stderr]     25:     0x563ce21d84ec - std::panicking::try::hedcfafa2d07379b6
[INFO] [stderr]                                  at /rustc/d4bd6c543d189dee2fa075d0b37e31ddc7d111a4/library/std/src/panicking.rs:447:19
[INFO] [stderr]     26:     0x563ce21d84ec - std::panic::catch_unwind::ha23f62cfdd35d5df
[INFO] [stderr]                                  at /rustc/d4bd6c543d189dee2fa075d0b37e31ddc7d111a4/library/std/src/panic.rs:137:14
[INFO] [stderr]     27:     0x563ce21d84ec - std::rt::lang_start_internal::{{closure}}::h3c283ff46d7039b7
[INFO] [stderr]                                  at /rustc/d4bd6c543d189dee2fa075d0b37e31ddc7d111a4/library/std/src/rt.rs:148:48
[INFO] [stderr]     28:     0x563ce21d84ec - std::panicking::try::do_call::h613697db43acf31c
[INFO] [stderr]                                  at /rustc/d4bd6c543d189dee2fa075d0b37e31ddc7d111a4/library/std/src/panicking.rs:483:40
[INFO] [stderr]     29:     0x563ce21d84ec - std::panicking::try::h93fe092d9fd9fa88
[INFO] [stderr]                                  at /rustc/d4bd6c543d189dee2fa075d0b37e31ddc7d111a4/library/std/src/panicking.rs:447:19
[INFO] [stderr]     30:     0x563ce21d84ec - std::panic::catch_unwind::h38a8d4ff754f4a33
[INFO] [stderr]                                  at /rustc/d4bd6c543d189dee2fa075d0b37e31ddc7d111a4/library/std/src/panic.rs:137:14
[INFO] [stderr]     31:     0x563ce21d84ec - std::rt::lang_start_internal::h8e5b4fcb69b518df
[INFO] [stderr]                                  at /rustc/d4bd6c543d189dee2fa075d0b37e31ddc7d111a4/library/std/src/rt.rs:148:20
[INFO] [stderr]     32:     0x563ce21ba00a - std::rt::lang_start::he47b81a318f3a8b1
[INFO] [stderr]                                  at /rustc/d4bd6c543d189dee2fa075d0b37e31ddc7d111a4/library/std/src/rt.rs:165:17
[INFO] [stderr]     33:     0x563ce21be2de - main
[INFO] [stderr]     34:     0x7f1a707fa083 - __libc_start_main
[INFO] [stderr]     35:     0x563ce21b770e - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "68dd802b128533f9bee692fc512fa4eab6775ae73f5c48e391f8810fdb2455cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68dd802b128533f9bee692fc512fa4eab6775ae73f5c48e391f8810fdb2455cc", kill_on_drop: false }`
[INFO] [stdout] 68dd802b128533f9bee692fc512fa4eab6775ae73f5c48e391f8810fdb2455cc