[INFO] fetching crate lkl 0.0.1...
[INFO] checking lkl-0.0.1 against master#2ad5292aea6328113b55968b4322528d48261316 for pr-80243
[INFO] extracting crate lkl 0.0.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate lkl 0.0.1 on toolchain 2ad5292aea6328113b55968b4322528d48261316
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dfa0d7ed0490d8381c2434de390eedd5eec18ce4dc5c1178e81e80767ca9d994
[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" "dfa0d7ed0490d8381c2434de390eedd5eec18ce4dc5c1178e81e80767ca9d994", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfa0d7ed0490d8381c2434de390eedd5eec18ce4dc5c1178e81e80767ca9d994", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfa0d7ed0490d8381c2434de390eedd5eec18ce4dc5c1178e81e80767ca9d994", kill_on_drop: false }`
[INFO] [stdout] dfa0d7ed0490d8381c2434de390eedd5eec18ce4dc5c1178e81e80767ca9d994
[INFO] running `Command { std: "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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69a4b5f52c2f888bee6719c4d23089b2da69cbc003ab16444da4425baafcd777
[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" "69a4b5f52c2f888bee6719c4d23089b2da69cbc003ab16444da4425baafcd777", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[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-553f70184f55cd34/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   OUT_DIR "/opt/rustwide/target/debug/build/lkl-807342b80f270a89/out"
[INFO] [stderr]   RMDIR "/opt/rustwide/target/debug/build/lkl-807342b80f270a89/out"
[INFO] [stderr]   MKDIR "/opt/rustwide/target/debug/build/lkl-807342b80f270a89/out"
[INFO] [stderr]   CLONE "/opt/rustwide/target/debug/build/lkl-807342b80f270a89/out"
[INFO] [stderr]   BUILD "/opt/rustwide/target/debug/build/lkl-807342b80f270a89/out"
[INFO] [stderr]   OUT_DIR "/opt/rustwide/target/debug/build/lkl-807342b80f270a89/out"
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Cloning into '/opt/rustwide/target/debug/build/lkl-807342b80f270a89/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:     0x558b1c7a6767 - std::backtrace_rs::backtrace::libunwind::trace::h746c3e9529d524bc
[INFO] [stderr]                                  at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x558b1c7a6767 - std::backtrace_rs::backtrace::trace_unsynchronized::h84373278bfb39e0c
[INFO] [stderr]                                  at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x558b1c7a6767 - std::sys_common::backtrace::_print_fmt::h517324efde750597
[INFO] [stderr]                                  at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x558b1c7a6767 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf594ab77fac89284
[INFO] [stderr]                                  at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x558b1c7c0e0c - core::fmt::write::h3868db8542c90941
[INFO] [stderr]                                  at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/core/src/fmt/mod.rs:1078:17
[INFO] [stderr]      5:     0x558b1c7a4122 - std::io::Write::write_fmt::h3f6656f045fa877f
[INFO] [stderr]                                  at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/io/mod.rs:1519:15
[INFO] [stderr]      6:     0x558b1c7a84a5 - std::sys_common::backtrace::_print::hda7655c057c24dcc
[INFO] [stderr]                                  at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x558b1c7a84a5 - std::sys_common::backtrace::print::h546a6c8431d46287
[INFO] [stderr]                                  at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x558b1c7a84a5 - std::panicking::default_hook::{{closure}}::h006dd083853faf51
[INFO] [stderr]                                  at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x558b1c7a7ffa - std::panicking::default_hook::hf0f9afb1017317fc
[INFO] [stderr]                                  at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x558b1c7a8c41 - std::panicking::rust_panic_with_hook::hb7a19826c029b1d6
[INFO] [stderr]                                  at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x558b1c7a8757 - std::panicking::begin_panic_handler::{{closure}}::hde71edcd925d0c5e
[INFO] [stderr]                                  at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/panicking.rs:495:13
[INFO] [stderr]     12:     0x558b1c7a6c2c - std::sys_common::backtrace::__rust_end_short_backtrace::h8a3c7d6cea578919
[INFO] [stderr]                                  at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x558b1c7a86e9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x558b1c7c01e1 - core::panicking::panic_fmt::h20225113c4a2f8fd
[INFO] [stderr]                                  at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x558b1c7c012d - core::panicking::panic::h35b77276aa4b0c12
[INFO] [stderr]                                  at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/core/src/panicking.rs:50:5
[INFO] [stderr]     16:     0x558b1c772fdd - build_script_build::main::h8d0e87666768d1ea
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:64:5
[INFO] [stderr]     17:     0x558b1c7756cb - core::ops::function::FnOnce::call_once::h1db6fa5822e455dc
[INFO] [stderr]                                  at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     18:     0x558b1c774c0e - std::sys_common::backtrace::__rust_begin_short_backtrace::hfb019fcb7b57154b
[INFO] [stderr]                                  at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     19:     0x558b1c779db1 - std::rt::lang_start::{{closure}}::h6dfbe111ccd5282c
[INFO] [stderr]                                  at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/rt.rs:66:18
[INFO] [stderr]     20:     0x558b1c7a9067 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h54c39b9b8451875a
[INFO] [stderr]                                  at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     21:     0x558b1c7a9067 - std::panicking::try::do_call::hcdfba51a06e21b42
[INFO] [stderr]                                  at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/panicking.rs:379:40
[INFO] [stderr]     22:     0x558b1c7a9067 - std::panicking::try::h77386c66889b2066
[INFO] [stderr]                                  at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/panicking.rs:343:19
[INFO] [stderr]     23:     0x558b1c7a9067 - std::panic::catch_unwind::hc55a0d8aadca44f0
[INFO] [stderr]                                  at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/panic.rs:396:14
[INFO] [stderr]     24:     0x558b1c7a9067 - std::rt::lang_start_internal::h97dca9624db2aa85
[INFO] [stderr]                                  at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/rt.rs:51:25
[INFO] [stderr]     25:     0x558b1c779d87 - std::rt::lang_start::hed2b9640746a87dd
[INFO] [stderr]                                  at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/rt.rs:65:5
[INFO] [stderr]     26:     0x558b1c77325a - main
[INFO] [stderr]     27:     0x7f7294b1f0b3 - __libc_start_main
[INFO] [stderr]     28:     0x558b1c7720be - _start
[INFO] [stderr]     29:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "69a4b5f52c2f888bee6719c4d23089b2da69cbc003ab16444da4425baafcd777", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69a4b5f52c2f888bee6719c4d23089b2da69cbc003ab16444da4425baafcd777", kill_on_drop: false }`
[INFO] [stdout] 69a4b5f52c2f888bee6719c4d23089b2da69cbc003ab16444da4425baafcd777