[INFO] fetching crate rlimit 0.8.3...
[INFO] testing rlimit-0.8.3 against try#9ce6b522e9d830b1461df3e1b001b5831bd32346 for pr-101061-1
[INFO] extracting crate rlimit 0.8.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rlimit 0.8.3 on toolchain 9ce6b522e9d830b1461df3e1b001b5831bd32346
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9ce6b522e9d830b1461df3e1b001b5831bd32346" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rlimit 0.8.3
[INFO] finished tweaking crates.io crate rlimit 0.8.3
[INFO] tweaked toml for crates.io crate rlimit 0.8.3 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate rlimit 0.8.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9ce6b522e9d830b1461df3e1b001b5831bd32346" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e92e462e59ac3446a933540fd361ddeb5362c86f92d432d6a560a917a465022e" "/opt/rustwide/cargo-home/bin/cargo" "+9ce6b522e9d830b1461df3e1b001b5831bd32346" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c99159ced5eadcb0e9ee5bc0f1e1228096ca5a57cefdb64d07f6de0b6c40ca56
[INFO] running `Command { std: "docker" "start" "-a" "c99159ced5eadcb0e9ee5bc0f1e1228096ca5a57cefdb64d07f6de0b6c40ca56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c99159ced5eadcb0e9ee5bc0f1e1228096ca5a57cefdb64d07f6de0b6c40ca56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c99159ced5eadcb0e9ee5bc0f1e1228096ca5a57cefdb64d07f6de0b6c40ca56", kill_on_drop: false }`
[INFO] [stdout] c99159ced5eadcb0e9ee5bc0f1e1228096ca5a57cefdb64d07f6de0b6c40ca56
[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:e92e462e59ac3446a933540fd361ddeb5362c86f92d432d6a560a917a465022e" "/opt/rustwide/cargo-home/bin/cargo" "+9ce6b522e9d830b1461df3e1b001b5831bd32346" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71c082e0dff7a4285588e779aa9fe43b29610e1b7e23fd30b8601397eef0928f
[INFO] running `Command { std: "docker" "start" "-a" "71c082e0dff7a4285588e779aa9fe43b29610e1b7e23fd30b8601397eef0928f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr] error: failed to run custom build command for `libc v0.2.121`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/libc-fdb691449591a521/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-0.2.121/build.rs:9:63
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5570bb79a0d0 - std::backtrace_rs::backtrace::libunwind::trace::hf53d662b5c6d77d2
[INFO] [stderr]                                  at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      1:     0x5570bb79a0d0 - std::backtrace_rs::backtrace::trace_unsynchronized::h6e3cf02005f608bf
[INFO] [stderr]                                  at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5570bb79a0d0 - std::sys_common::backtrace::_print_fmt::h6d567679a2265c44
[INFO] [stderr]                                  at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/std/src/sys_common/backtrace.rs:66:5
[INFO] [stderr]      3:     0x5570bb79a0d0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1a668cb169fcef22
[INFO] [stderr]                                  at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/std/src/sys_common/backtrace.rs:45:22
[INFO] [stderr]      4:     0x5570bb7b746e - core::fmt::write::hd1139dfe9eec9a34
[INFO] [stderr]                                  at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/core/src/fmt/mod.rs:1202:17
[INFO] [stderr]      5:     0x5570bb797355 - std::io::Write::write_fmt::h08185aaaca6f1bb4
[INFO] [stderr]                                  at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/std/src/io/mod.rs:1679:15
[INFO] [stderr]      6:     0x5570bb79b753 - std::sys_common::backtrace::_print::hd3a9cd6aaf1b9c8d
[INFO] [stderr]                                  at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/std/src/sys_common/backtrace.rs:48:5
[INFO] [stderr]      7:     0x5570bb79b753 - std::sys_common::backtrace::print::hfa27ea3e00247e12
[INFO] [stderr]                                  at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/std/src/sys_common/backtrace.rs:35:9
[INFO] [stderr]      8:     0x5570bb79b753 - std::panicking::default_hook::{{closure}}::h76f2cc009fc0e4ed
[INFO] [stderr]                                  at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/std/src/panicking.rs:295:22
[INFO] [stderr]      9:     0x5570bb79b43f - std::panicking::default_hook::h84e3f8d9ac8ff74e
[INFO] [stderr]                                  at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/std/src/panicking.rs:314:9
[INFO] [stderr]     10:     0x5570bb79bdfa - std::panicking::rust_panic_with_hook::hb27f77e939cc5d74
[INFO] [stderr]                                  at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/std/src/panicking.rs:698:17
[INFO] [stderr]     11:     0x5570bb79bcf7 - std::panicking::begin_panic_handler::{{closure}}::h2c35a3b6ab1a1b5d
[INFO] [stderr]                                  at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/std/src/panicking.rs:588:13
[INFO] [stderr]     12:     0x5570bb79a57c - std::sys_common::backtrace::__rust_end_short_backtrace::hdd7621cbda95655d
[INFO] [stderr]                                  at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/std/src/sys_common/backtrace.rs:138:18
[INFO] [stderr]     13:     0x5570bb79ba12 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/std/src/panicking.rs:584:5
[INFO] [stderr]     14:     0x5570bb773a93 - core::panicking::panic_fmt::h5158c91fc6eda82a
[INFO] [stderr]                                  at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/core/src/panicking.rs:142:14
[INFO] [stderr]     15:     0x5570bb7b6711 - core::panicking::panic_display::hda032d3252b47e95
[INFO] [stderr]                                  at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/core/src/panicking.rs:72:5
[INFO] [stderr]     16:     0x5570bb7b66bb - core::panicking::panic_str::h235afc9193e31789
[INFO] [stderr]                                  at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/core/src/panicking.rs:56:5
[INFO] [stderr]     17:     0x5570bb773906 - core::option::expect_failed::h224a1686b6775ed8
[INFO] [stderr]                                  at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/core/src/option.rs:1880:5
[INFO] [stderr]     18:     0x5570bb77d882 - core::option::Option<T>::expect::haae378c5ad1c7973
[INFO] [stderr]                                  at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/core/src/option.rs:738:21
[INFO] [stderr]     19:     0x5570bb778cc4 - build_script_build::main::hdcfb2db1aa07a235
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libc-0.2.121/build.rs:9:41
[INFO] [stderr]     20:     0x5570bb77acfb - core::ops::function::FnOnce::call_once::h2c1c42c0d6e78dce
[INFO] [stderr]                                  at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/core/src/ops/function.rs:248:5
[INFO] [stderr]     21:     0x5570bb77c9ae - std::sys_common::backtrace::__rust_begin_short_backtrace::h065d4ca64991c52e
[INFO] [stderr]                                  at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/std/src/sys_common/backtrace.rs:122:18
[INFO] [stderr]     22:     0x5570bb775f71 - std::rt::lang_start::{{closure}}::hd234dc1723c7498f
[INFO] [stderr]                                  at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/std/src/rt.rs:166:18
[INFO] [stderr]     23:     0x5570bb794a8f - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h7adb92fd6b846919
[INFO] [stderr]                                  at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/core/src/ops/function.rs:283:13
[INFO] [stderr]     24:     0x5570bb794a8f - std::panicking::try::do_call::h374337de2475417b
[INFO] [stderr]                                  at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/std/src/panicking.rs:492:40
[INFO] [stderr]     25:     0x5570bb794a8f - std::panicking::try::h47601dcaec5b0e3d
[INFO] [stderr]                                  at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/std/src/panicking.rs:456:19
[INFO] [stderr]     26:     0x5570bb794a8f - std::panic::catch_unwind::h758dc435518ac245
[INFO] [stderr]                                  at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/std/src/panic.rs:137:14
[INFO] [stderr]     27:     0x5570bb794a8f - std::rt::lang_start_internal::{{closure}}::h628172e91ff5e6da
[INFO] [stderr]                                  at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/std/src/rt.rs:148:48
[INFO] [stderr]     28:     0x5570bb794a8f - std::panicking::try::do_call::ha9819755b5142577
[INFO] [stderr]                                  at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/std/src/panicking.rs:492:40
[INFO] [stderr]     29:     0x5570bb794a8f - std::panicking::try::hd7e8c48bb2f4067d
[INFO] [stderr]                                  at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/std/src/panicking.rs:456:19
[INFO] [stderr]     30:     0x5570bb794a8f - std::panic::catch_unwind::h606ad60bc11b066d
[INFO] [stderr]                                  at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/std/src/panic.rs:137:14
[INFO] [stderr]     31:     0x5570bb794a8f - std::rt::lang_start_internal::h2bb299ef5a5d46ca
[INFO] [stderr]                                  at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/std/src/rt.rs:148:20
[INFO] [stderr]     32:     0x5570bb775f4a - std::rt::lang_start::hf0981132568417af
[INFO] [stderr]                                  at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/std/src/rt.rs:165:17
[INFO] [stderr]     33:     0x5570bb77a361 - main
[INFO] [stderr]     34:     0x7f3f4c18e083 - __libc_start_main
[INFO] [stderr]     35:     0x5570bb773c6e - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "71c082e0dff7a4285588e779aa9fe43b29610e1b7e23fd30b8601397eef0928f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71c082e0dff7a4285588e779aa9fe43b29610e1b7e23fd30b8601397eef0928f", kill_on_drop: false }`
[INFO] [stdout] 71c082e0dff7a4285588e779aa9fe43b29610e1b7e23fd30b8601397eef0928f