[INFO] fetching crate hermit-sys 0.1.6...
[INFO] checking hermit-sys-0.1.6 against master#6250d56355d72264ece721e8d0dc95b16a6824b1 for pr-68350
[INFO] extracting crate hermit-sys 0.1.6 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate hermit-sys 0.1.6 on toolchain 6250d56355d72264ece721e8d0dc95b16a6824b1
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate hermit-sys 0.1.6
[INFO] finished tweaking crates.io crate hermit-sys 0.1.6
[INFO] tweaked toml for crates.io crate hermit-sys 0.1.6 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1600bf2e4cdcab4e68e1b84e8856993d7c37522bd9dcfa346781909e032678eb
[INFO] running `"docker" "start" "-a" "1600bf2e4cdcab4e68e1b84e8856993d7c37522bd9dcfa346781909e032678eb"`
[INFO] [stderr]    Compiling hermit-sys v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `hermit-sys v0.1.6 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/hermit-sys-89a3df3927f069ac/build-script-build` (exit code: 101)
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'Unable to build kernel: Os { code: 2, kind: NotFound, message: "No such file or directory" }', build.rs:31:23
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55eb7572af44 - backtrace::backtrace::libunwind::trace::hc26826043b7bf82f
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55eb7572af44 - backtrace::backtrace::trace_unsynchronized::hf9fe7343abcf3b6a
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55eb7572af44 - std::sys_common::backtrace::_print_fmt::hf5f83f377bc8d868
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:77
[INFO] [stderr]    3:     0x55eb7572af44 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb2a7a6aa1b182a99
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x55eb7574650c - core::fmt::write::hc09f142ab04e56d2
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1057
[INFO] [stderr]    5:     0x55eb75728887 - std::io::Write::write_fmt::hafa429c292548705
[INFO] [stderr]                                at src/libstd/io/mod.rs:1426
[INFO] [stderr]    6:     0x55eb7572cf35 - std::sys_common::backtrace::_print::hcf3fff603fe810fd
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x55eb7572cf35 - std::sys_common::backtrace::print::h5ea515a32d6700a5
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x55eb7572cf35 - std::panicking::default_hook::{{closure}}::h324ce5172a1777e2
[INFO] [stderr]                                at src/libstd/panicking.rs:204
[INFO] [stderr]    9:     0x55eb7572cc21 - std::panicking::default_hook::h6593dbc4932c953a
[INFO] [stderr]                                at src/libstd/panicking.rs:224
[INFO] [stderr]   10:     0x55eb7572d4ea - std::panicking::rust_panic_with_hook::h04729d51ab5f86cb
[INFO] [stderr]                                at src/libstd/panicking.rs:472
[INFO] [stderr]   11:     0x55eb7572d0d0 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:380
[INFO] [stderr]   12:     0x55eb75745851 - core::panicking::panic_fmt::h13aca3a92bd42a1a
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   13:     0x55eb75745673 - core::option::expect_none_failed::h9f079317bf74cb06
[INFO] [stderr]                                at src/libcore/option.rs:1198
[INFO] [stderr]   14:     0x55eb7571a530 - core::result::Result<T,E>::expect::ha1ffa3fe1b0bc158
[INFO] [stderr]                                at /rustc/6250d56355d72264ece721e8d0dc95b16a6824b1/src/libcore/result.rs:990
[INFO] [stderr]   15:     0x55eb75720ad5 - build_script_build::build::h6649fb21f6292b5b
[INFO] [stderr]                                at /opt/rustwide/workdir/build.rs:31
[INFO] [stderr]   16:     0x55eb75720d86 - build_script_build::main::hf52fcb6b4b123b49
[INFO] [stderr]                                at /opt/rustwide/workdir/build.rs:52
[INFO] [stderr]   17:     0x55eb7571b840 - std::rt::lang_start::{{closure}}::hbd7dc69381ba4738
[INFO] [stderr]                                at /rustc/6250d56355d72264ece721e8d0dc95b16a6824b1/src/libstd/rt.rs:67
[INFO] [stderr]   18:     0x55eb7572d003 - std::rt::lang_start_internal::{{closure}}::h5c17144678350141
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   19:     0x55eb7572d003 - std::panicking::try::do_call::h8eaf10466ef75c80
[INFO] [stderr]                                at src/libstd/panicking.rs:305
[INFO] [stderr]   20:     0x55eb75733317 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:86
[INFO] [stderr]   21:     0x55eb7572d990 - std::panicking::try::hbd218b3dcbe12757
[INFO] [stderr]                                at src/libstd/panicking.rs:281
[INFO] [stderr]   22:     0x55eb7572d990 - std::panic::catch_unwind::h0175a6dbda08cacb
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   23:     0x55eb7572d990 - std::rt::lang_start_internal::h09fd43f7d6ed11c7
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   24:     0x55eb7571b819 - std::rt::lang_start::hea3a285bb98b2b4e
[INFO] [stderr]                                at /rustc/6250d56355d72264ece721e8d0dc95b16a6824b1/src/libstd/rt.rs:67
[INFO] [stderr]   25:     0x55eb75720dba - main
[INFO] [stderr]   26:     0x7fd67be7fb97 - __libc_start_main
[INFO] [stderr]   27:     0x55eb75715eba - _start
[INFO] [stderr]   28:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "1600bf2e4cdcab4e68e1b84e8856993d7c37522bd9dcfa346781909e032678eb"`
[INFO] running `"docker" "rm" "-f" "1600bf2e4cdcab4e68e1b84e8856993d7c37522bd9dcfa346781909e032678eb"`
[INFO] [stdout] 1600bf2e4cdcab4e68e1b84e8856993d7c37522bd9dcfa346781909e032678eb