[INFO] fetching crate lkl 0.0.1...
[INFO] documenting lkl-0.0.1 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate lkl 0.0.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate lkl 0.0.1 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a990d7236ceab9f8481bb428d314ad90caf5ad49efa6949dab59d61ef433e53
[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" "3a990d7236ceab9f8481bb428d314ad90caf5ad49efa6949dab59d61ef433e53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a990d7236ceab9f8481bb428d314ad90caf5ad49efa6949dab59d61ef433e53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a990d7236ceab9f8481bb428d314ad90caf5ad49efa6949dab59d61ef433e53", kill_on_drop: false }`
[INFO] [stdout] 3a990d7236ceab9f8481bb428d314ad90caf5ad49efa6949dab59d61ef433e53
[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" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3bf5a3bc81588c45b6c67db93096b32e79ebf7a2f54da5a6f79056c3a3afc90c
[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" "3bf5a3bc81588c45b6c67db93096b32e79ebf7a2f54da5a6f79056c3a3afc90c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-dded26babd13cbb9/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   OUT_DIR "/opt/rustwide/target/debug/build/lkl-060007fcff4f9095/out"
[INFO] [stderr]   RMDIR "/opt/rustwide/target/debug/build/lkl-060007fcff4f9095/out"
[INFO] [stderr]   MKDIR "/opt/rustwide/target/debug/build/lkl-060007fcff4f9095/out"
[INFO] [stderr]   CLONE "/opt/rustwide/target/debug/build/lkl-060007fcff4f9095/out"
[INFO] [stderr]   BUILD "/opt/rustwide/target/debug/build/lkl-060007fcff4f9095/out"
[INFO] [stderr]   OUT_DIR "/opt/rustwide/target/debug/build/lkl-060007fcff4f9095/out"
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Cloning into '/opt/rustwide/target/debug/build/lkl-060007fcff4f9095/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:     0x558d0f125150 - std::backtrace_rs::backtrace::libunwind::trace::h577ea05e9ca4629a
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x558d0f125150 - std::backtrace_rs::backtrace::trace_unsynchronized::h50b9b72b84c7dd56
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x558d0f125150 - std::sys_common::backtrace::_print_fmt::h6541cf9823837fac
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]      3:     0x558d0f125150 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf64fbff071026df5
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x558d0f14282c - core::fmt::write::h9ddafa4860d8adff
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/fmt/mod.rs:1082
[INFO] [stderr]      5:     0x558d0f1231d7 - std::io::Write::write_fmt::h1d2ee292d2b65481
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/io/mod.rs:1514
[INFO] [stderr]      6:     0x558d0f127220 - std::sys_common::backtrace::_print::ha25f9ff5080d886d
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x558d0f127220 - std::sys_common::backtrace::print::h213e8aa8dc5405c0
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x558d0f127220 - std::panicking::default_hook::{{closure}}::h6482fae49ef9d963
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:200
[INFO] [stderr]      9:     0x558d0f126f6c - std::panicking::default_hook::he30ad7589e0970f9
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:219
[INFO] [stderr]     10:     0x558d0f127883 - std::panicking::rust_panic_with_hook::haa1ed36ada4ffb03
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:569
[INFO] [stderr]     11:     0x558d0f10c1cc - std::panicking::begin_panic::{{closure}}::h25d9596a605c4f9b
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:498
[INFO] [stderr]     12:     0x558d0f105a39 - std::sys_common::backtrace::__rust_end_short_backtrace::h2c40332471a3a1e0
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]     13:     0x558d0f10c0f7 - std::panicking::begin_panic::h5d79a717df72e8b2
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:497
[INFO] [stderr]     14:     0x558d0f0f814e - build_script_build::main::h5d8596ccd9f5a4f3
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:64
[INFO] [stderr]     15:     0x558d0f0fabeb - core::ops::function::FnOnce::call_once::hf2dbb73b15c648b1
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stderr]     16:     0x558d0f0fa77e - std::sys_common::backtrace::__rust_begin_short_backtrace::he6f5c08ce74417b7
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]     17:     0x558d0f0fe981 - std::rt::lang_start::{{closure}}::hc3bd67a60923539b
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/rt.rs:66
[INFO] [stderr]     18:     0x558d0f127c81 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h6a3209f124be2235
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:259
[INFO] [stderr]     19:     0x558d0f127c81 - std::panicking::try::do_call::h88ce358792b64df0
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:373
[INFO] [stderr]     20:     0x558d0f127c81 - std::panicking::try::h6311c259678e50fc
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:337
[INFO] [stderr]     21:     0x558d0f127c81 - std::panic::catch_unwind::h56c5716807d659a1
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:379
[INFO] [stderr]     22:     0x558d0f127c81 - std::rt::lang_start_internal::h73711f37ecfcb277
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/rt.rs:51
[INFO] [stderr]     23:     0x558d0f0fe957 - std::rt::lang_start::h7c5ec91432b810a1
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/rt.rs:65
[INFO] [stderr]     24:     0x558d0f0f831a - main
[INFO] [stderr]     25:     0x7fc17ae080b3 - __libc_start_main
[INFO] [stderr]     26:     0x558d0f0f70be - _start
[INFO] [stderr]     27:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "3bf5a3bc81588c45b6c67db93096b32e79ebf7a2f54da5a6f79056c3a3afc90c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bf5a3bc81588c45b6c67db93096b32e79ebf7a2f54da5a6f79056c3a3afc90c", kill_on_drop: false }`
[INFO] [stdout] 3bf5a3bc81588c45b6c67db93096b32e79ebf7a2f54da5a6f79056c3a3afc90c
