[INFO] fetching crate lkl 0.0.1...
[INFO] testing lkl-0.0.1 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate lkl 0.0.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate lkl 0.0.1 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lkl 0.0.1
[INFO] finished tweaking crates.io crate lkl 0.0.1
[INFO] tweaked toml for crates.io crate lkl 0.0.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5596521c3bf417749c709b08ca905a27aca0dbacf9ef38de7574baf56ee6f39e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5596521c3bf417749c709b08ca905a27aca0dbacf9ef38de7574baf56ee6f39e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5596521c3bf417749c709b08ca905a27aca0dbacf9ef38de7574baf56ee6f39e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5596521c3bf417749c709b08ca905a27aca0dbacf9ef38de7574baf56ee6f39e", kill_on_drop: false }`
[INFO] [stdout] 5596521c3bf417749c709b08ca905a27aca0dbacf9ef38de7574baf56ee6f39e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc10a2775460bc5112b58d64dee961683c4dc6c2ed200ce18d6c23cb7f03299b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cc10a2775460bc5112b58d64dee961683c4dc6c2ed200ce18d6c23cb7f03299b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling lkl v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `lkl v0.0.1 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/lkl-fa6c0799a9c445bf/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   OUT_DIR "/opt/rustwide/target/debug/build/lkl-53ffd4646d45496f/out"
[INFO] [stderr]   RMDIR "/opt/rustwide/target/debug/build/lkl-53ffd4646d45496f/out"
[INFO] [stderr]   MKDIR "/opt/rustwide/target/debug/build/lkl-53ffd4646d45496f/out"
[INFO] [stderr]   CLONE "/opt/rustwide/target/debug/build/lkl-53ffd4646d45496f/out"
[INFO] [stderr]   BUILD "/opt/rustwide/target/debug/build/lkl-53ffd4646d45496f/out"
[INFO] [stderr]   OUT_DIR "/opt/rustwide/target/debug/build/lkl-53ffd4646d45496f/out"
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Cloning into '/opt/rustwide/target/debug/build/lkl-53ffd4646d45496f/out'...
[INFO] [stderr]   fatal: unable to access 'https://github.com/lkl/linux.git/': Could not resolve host: github.com
[INFO] [stderr]   make: *** tools/lkl: No such file or directory.  Stop.
[INFO] [stderr]   ar: tools/lkl/lib/lkl.o: No such file or directory
[INFO] [stderr]   thread 'main' panicked at 'assertion failed: artefacts_built(out_dir_path.as_path())', build.rs:64:5
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x560f3b4b3c30 - std::backtrace_rs::backtrace::libunwind::trace::h95fc93571932622e
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x560f3b4b3c30 - std::backtrace_rs::backtrace::trace_unsynchronized::h4d0b90afc33151fd
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x560f3b4b3c30 - std::sys_common::backtrace::_print_fmt::h93d302d001a3bf01
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x560f3b4b3c30 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h7881e3a580134f9a
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x560f3b4d1f6c - core::fmt::write::h1857a60b204f1b6a
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/fmt/mod.rs:1078:17
[INFO] [stderr]      5:     0x560f3b4b1562 - std::io::Write::write_fmt::h24485de26f355188
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/io/mod.rs:1519:15
[INFO] [stderr]      6:     0x560f3b4b5ef5 - std::sys_common::backtrace::_print::h3e3f9fed81bc11e9
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x560f3b4b5ef5 - std::sys_common::backtrace::print::hd22ac23fed5071c8
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x560f3b4b5ef5 - std::panicking::default_hook::{{closure}}::h1647bdcf68060e17
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x560f3b4b5a4a - std::panicking::default_hook::hb08853b392b9404b
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x560f3b4b6691 - std::panicking::rust_panic_with_hook::h3624ee29da369ede
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x560f3b4b61a7 - std::panicking::begin_panic_handler::{{closure}}::hefcfcedcde6bb6d9
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:495:13
[INFO] [stderr]     12:     0x560f3b4b40ec - std::sys_common::backtrace::__rust_end_short_backtrace::heb130cec93caa706
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x560f3b4b6139 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x560f3b4d1311 - core::panicking::panic_fmt::hb15d6f55e8472f62
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x560f3b4d125d - core::panicking::panic::h5d1c61fed2502a5f
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/panicking.rs:50:5
[INFO] [stderr]     16:     0x560f3b485fdd - build_script_build::main::hcdd8a12e2b9151df
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:64:5
[INFO] [stderr]     17:     0x560f3b48873b - core::ops::function::FnOnce::call_once::ha48553d92983b36b
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     18:     0x560f3b487c7e - std::sys_common::backtrace::__rust_begin_short_backtrace::h1bdabfd0ba5a1fd2
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     19:     0x560f3b48b021 - std::rt::lang_start::{{closure}}::h7bbcf8b9f24aba75
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/rt.rs:66:18
[INFO] [stderr]     20:     0x560f3b4b6ab7 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h194d6aa01fb6b594
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     21:     0x560f3b4b6ab7 - std::panicking::try::do_call::h4ef477456776cccb
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:379:40
[INFO] [stderr]     22:     0x560f3b4b6ab7 - std::panicking::try::h7f2121b6bb3bbca4
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:343:19
[INFO] [stderr]     23:     0x560f3b4b6ab7 - std::panic::catch_unwind::he974d0ca04309948
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panic.rs:396:14
[INFO] [stderr]     24:     0x560f3b4b6ab7 - std::rt::lang_start_internal::h36e9e78490120b9f
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/rt.rs:51:25
[INFO] [stderr]     25:     0x560f3b48aff7 - std::rt::lang_start::h66e4eea36bd1ad62
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/rt.rs:65:5
[INFO] [stderr]     26:     0x560f3b48625a - main
[INFO] [stderr]     27:     0x7f4d5544b0b3 - __libc_start_main
[INFO] [stderr]     28:     0x560f3b4850be - _start
[INFO] [stderr]     29:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "cc10a2775460bc5112b58d64dee961683c4dc6c2ed200ce18d6c23cb7f03299b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc10a2775460bc5112b58d64dee961683c4dc6c2ed200ce18d6c23cb7f03299b", kill_on_drop: false }`
[INFO] [stdout] cc10a2775460bc5112b58d64dee961683c4dc6c2ed200ce18d6c23cb7f03299b