[INFO] fetching crate lkl 0.0.1...
[INFO] documenting lkl-0.0.1 against nightly for scrape-examples
[INFO] extracting crate lkl 0.0.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate lkl 0.0.1 on toolchain nightly
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+nightly" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2495ed19f01d29b32a3c5cdf9940dcb200be6ab436450cf28d0995cc522024e
[INFO] running `Command { std: "docker" "start" "-a" "a2495ed19f01d29b32a3c5cdf9940dcb200be6ab436450cf28d0995cc522024e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2495ed19f01d29b32a3c5cdf9940dcb200be6ab436450cf28d0995cc522024e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2495ed19f01d29b32a3c5cdf9940dcb200be6ab436450cf28d0995cc522024e", kill_on_drop: false }`
[INFO] [stdout] a2495ed19f01d29b32a3c5cdf9940dcb200be6ab436450cf28d0995cc522024e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c147e57a3e238adf316dbdbdc81736aa0af83120133d129478910e7fac1bacf
[INFO] running `Command { std: "docker" "start" "-a" "0c147e57a3e238adf316dbdbdc81736aa0af83120133d129478910e7fac1bacf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling num_cpus v1.14.0
[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-81a7288ccf755208/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   OUT_DIR "/opt/rustwide/target/debug/build/lkl-f4b32a718a09803b/out"
[INFO] [stderr]   RMDIR "/opt/rustwide/target/debug/build/lkl-f4b32a718a09803b/out"
[INFO] [stderr]   MKDIR "/opt/rustwide/target/debug/build/lkl-f4b32a718a09803b/out"
[INFO] [stderr]   CLONE "/opt/rustwide/target/debug/build/lkl-f4b32a718a09803b/out"
[INFO] [stderr]   BUILD "/opt/rustwide/target/debug/build/lkl-f4b32a718a09803b/out"
[INFO] [stderr]   OUT_DIR "/opt/rustwide/target/debug/build/lkl-f4b32a718a09803b/out"
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Cloning into '/opt/rustwide/target/debug/build/lkl-f4b32a718a09803b/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:     0x55c95d20f18a - std::backtrace_rs::backtrace::libunwind::trace::h3bfe63c4aecfa0e2
[INFO] [stderr]                                  at /rustc/bdb07a8ec8e77aa10fb84fae1d4ff71c21180bb4/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]      1:     0x55c95d20f18a - std::backtrace_rs::backtrace::trace_unsynchronized::h978c02637c6cb8f9
[INFO] [stderr]                                  at /rustc/bdb07a8ec8e77aa10fb84fae1d4ff71c21180bb4/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55c95d20f18a - std::sys_common::backtrace::_print_fmt::h86a708dcb1665377
[INFO] [stderr]                                  at /rustc/bdb07a8ec8e77aa10fb84fae1d4ff71c21180bb4/library/std/src/sys_common/backtrace.rs:65:5
[INFO] [stderr]      3:     0x55c95d20f18a - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hdbf89765373fb801
[INFO] [stderr]                                  at /rustc/bdb07a8ec8e77aa10fb84fae1d4ff71c21180bb4/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x55c95d22ca4e - core::fmt::write::hbf11a3bb4e6d2aba
[INFO] [stderr]                                  at /rustc/bdb07a8ec8e77aa10fb84fae1d4ff71c21180bb4/library/core/src/fmt/mod.rs:1208:17
[INFO] [stderr]      5:     0x55c95d20ced5 - std::io::Write::write_fmt::hd68261eacc348bbd
[INFO] [stderr]                                  at /rustc/bdb07a8ec8e77aa10fb84fae1d4ff71c21180bb4/library/std/src/io/mod.rs:1682:15
[INFO] [stderr]      6:     0x55c95d20ef55 - std::sys_common::backtrace::_print::ha8e375b58cdeca4a
[INFO] [stderr]                                  at /rustc/bdb07a8ec8e77aa10fb84fae1d4ff71c21180bb4/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      7:     0x55c95d20ef55 - std::sys_common::backtrace::print::he3086c07df1167ca
[INFO] [stderr]                                  at /rustc/bdb07a8ec8e77aa10fb84fae1d4ff71c21180bb4/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      8:     0x55c95d2105df - std::panicking::default_hook::{{closure}}::h0c12a9095c948e43
[INFO] [stderr]                                  at /rustc/bdb07a8ec8e77aa10fb84fae1d4ff71c21180bb4/library/std/src/panicking.rs:267:22
[INFO] [stderr]      9:     0x55c95d21031b - std::panicking::default_hook::h1ae5478ad617eb24
[INFO] [stderr]                                  at /rustc/bdb07a8ec8e77aa10fb84fae1d4ff71c21180bb4/library/std/src/panicking.rs:286:9
[INFO] [stderr]     10:     0x55c95d210cec - std::panicking::rust_panic_with_hook::h63a24f957ccb5d93
[INFO] [stderr]                                  at /rustc/bdb07a8ec8e77aa10fb84fae1d4ff71c21180bb4/library/std/src/panicking.rs:688:13
[INFO] [stderr]     11:     0x55c95d210a42 - std::panicking::begin_panic_handler::{{closure}}::h1499194b322f3b28
[INFO] [stderr]                                  at /rustc/bdb07a8ec8e77aa10fb84fae1d4ff71c21180bb4/library/std/src/panicking.rs:577:13
[INFO] [stderr]     12:     0x55c95d20f63c - std::sys_common::backtrace::__rust_end_short_backtrace::h5569dab7b5c29ca8
[INFO] [stderr]                                  at /rustc/bdb07a8ec8e77aa10fb84fae1d4ff71c21180bb4/library/std/src/sys_common/backtrace.rs:137:18
[INFO] [stderr]     13:     0x55c95d210792 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/bdb07a8ec8e77aa10fb84fae1d4ff71c21180bb4/library/std/src/panicking.rs:575:5
[INFO] [stderr]     14:     0x55c95d1dc1f3 - core::panicking::panic_fmt::h81b99a9e904184d4
[INFO] [stderr]                                  at /rustc/bdb07a8ec8e77aa10fb84fae1d4ff71c21180bb4/library/core/src/panicking.rs:64:14
[INFO] [stderr]     15:     0x55c95d1dc2cd - core::panicking::panic::ha463aa417b721c90
[INFO] [stderr]                                  at /rustc/bdb07a8ec8e77aa10fb84fae1d4ff71c21180bb4/library/core/src/panicking.rs:111:5
[INFO] [stderr]     16:     0x55c95d1e339d - build_script_build::main::h01c0eceacc175c00
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:64:5
[INFO] [stderr]     17:     0x55c95d1df96b - core::ops::function::FnOnce::call_once::h592a532cd8c24404
[INFO] [stderr]                                  at /rustc/bdb07a8ec8e77aa10fb84fae1d4ff71c21180bb4/library/core/src/ops/function.rs:507:5
[INFO] [stderr]     18:     0x55c95d1e38be - std::sys_common::backtrace::__rust_begin_short_backtrace::h84717077d4083352
[INFO] [stderr]                                  at /rustc/bdb07a8ec8e77aa10fb84fae1d4ff71c21180bb4/library/std/src/sys_common/backtrace.rs:121:18
[INFO] [stderr]     19:     0x55c95d1e1691 - std::rt::lang_start::{{closure}}::h9ed0af115cefb238
[INFO] [stderr]                                  at /rustc/bdb07a8ec8e77aa10fb84fae1d4ff71c21180bb4/library/std/src/rt.rs:166:18
[INFO] [stderr]     20:     0x55c95d209b3c - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h78c42ac725efa1cf
[INFO] [stderr]                                  at /rustc/bdb07a8ec8e77aa10fb84fae1d4ff71c21180bb4/library/core/src/ops/function.rs:606:13
[INFO] [stderr]     21:     0x55c95d209b3c - std::panicking::try::do_call::he9c2e2d3c1d542c9
[INFO] [stderr]                                  at /rustc/bdb07a8ec8e77aa10fb84fae1d4ff71c21180bb4/library/std/src/panicking.rs:483:40
[INFO] [stderr]     22:     0x55c95d209b3c - std::panicking::try::h1c6aa5d0fbd926ce
[INFO] [stderr]                                  at /rustc/bdb07a8ec8e77aa10fb84fae1d4ff71c21180bb4/library/std/src/panicking.rs:447:19
[INFO] [stderr]     23:     0x55c95d209b3c - std::panic::catch_unwind::h8c18c387443a8343
[INFO] [stderr]                                  at /rustc/bdb07a8ec8e77aa10fb84fae1d4ff71c21180bb4/library/std/src/panic.rs:137:14
[INFO] [stderr]     24:     0x55c95d209b3c - std::rt::lang_start_internal::{{closure}}::h121da69a0c637bbc
[INFO] [stderr]                                  at /rustc/bdb07a8ec8e77aa10fb84fae1d4ff71c21180bb4/library/std/src/rt.rs:148:48
[INFO] [stderr]     25:     0x55c95d209b3c - std::panicking::try::do_call::h02c50a2227007615
[INFO] [stderr]                                  at /rustc/bdb07a8ec8e77aa10fb84fae1d4ff71c21180bb4/library/std/src/panicking.rs:483:40
[INFO] [stderr]     26:     0x55c95d209b3c - std::panicking::try::h2e22346eb385c3b2
[INFO] [stderr]                                  at /rustc/bdb07a8ec8e77aa10fb84fae1d4ff71c21180bb4/library/std/src/panicking.rs:447:19
[INFO] [stderr]     27:     0x55c95d209b3c - std::panic::catch_unwind::hba27888842669aa2
[INFO] [stderr]                                  at /rustc/bdb07a8ec8e77aa10fb84fae1d4ff71c21180bb4/library/std/src/panic.rs:137:14
[INFO] [stderr]     28:     0x55c95d209b3c - std::rt::lang_start_internal::hfeb0a6ef3b443c94
[INFO] [stderr]                                  at /rustc/bdb07a8ec8e77aa10fb84fae1d4ff71c21180bb4/library/std/src/rt.rs:148:20
[INFO] [stderr]     29:     0x55c95d1e166a - std::rt::lang_start::h3bf370e846a40a3c
[INFO] [stderr]                                  at /rustc/bdb07a8ec8e77aa10fb84fae1d4ff71c21180bb4/library/std/src/rt.rs:165:17
[INFO] [stderr]     30:     0x55c95d1e344e - main
[INFO] [stderr]     31:     0x7f6cfca53083 - __libc_start_main
[INFO] [stderr]     32:     0x55c95d1dc75e - _start
[INFO] [stderr]     33:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "0c147e57a3e238adf316dbdbdc81736aa0af83120133d129478910e7fac1bacf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c147e57a3e238adf316dbdbdc81736aa0af83120133d129478910e7fac1bacf", kill_on_drop: false }`
[INFO] [stdout] 0c147e57a3e238adf316dbdbdc81736aa0af83120133d129478910e7fac1bacf