[INFO] fetching crate lkl 0.0.1...
[INFO] checking lkl-0.0.1 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[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 b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c42c5bd143cc7576c21f2861133132bcbcfa72806c4ad8f878c8a88a947d7241
[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" "c42c5bd143cc7576c21f2861133132bcbcfa72806c4ad8f878c8a88a947d7241", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c42c5bd143cc7576c21f2861133132bcbcfa72806c4ad8f878c8a88a947d7241", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c42c5bd143cc7576c21f2861133132bcbcfa72806c4ad8f878c8a88a947d7241", kill_on_drop: false }`
[INFO] [stdout] c42c5bd143cc7576c21f2861133132bcbcfa72806c4ad8f878c8a88a947d7241
[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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6827c1db79912531352ee01f88cd18add6e87c793b4e8387fe59d2643b561496
[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" "6827c1db79912531352ee01f88cd18add6e87c793b4e8387fe59d2643b561496", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[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-824ef56cd514f3c5/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   OUT_DIR "/opt/rustwide/target/debug/build/lkl-efafbdb208c6f640/out"
[INFO] [stderr]   RMDIR "/opt/rustwide/target/debug/build/lkl-efafbdb208c6f640/out"
[INFO] [stderr]   MKDIR "/opt/rustwide/target/debug/build/lkl-efafbdb208c6f640/out"
[INFO] [stderr]   CLONE "/opt/rustwide/target/debug/build/lkl-efafbdb208c6f640/out"
[INFO] [stderr]   BUILD "/opt/rustwide/target/debug/build/lkl-efafbdb208c6f640/out"
[INFO] [stderr]   OUT_DIR "/opt/rustwide/target/debug/build/lkl-efafbdb208c6f640/out"
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Cloning into '/opt/rustwide/target/debug/build/lkl-efafbdb208c6f640/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:     0x56083cd6bfe0 - std::backtrace_rs::backtrace::libunwind::trace::hdcf4f90f85129e83
[INFO] [stderr]                                  at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x56083cd6bfe0 - std::backtrace_rs::backtrace::trace_unsynchronized::h2669e30cb82f6732
[INFO] [stderr]                                  at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x56083cd6bfe0 - std::sys_common::backtrace::_print_fmt::hfbda19e17f6db318
[INFO] [stderr]                                  at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x56083cd6bfe0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1a8751bf59281272
[INFO] [stderr]                                  at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x56083cd89b2f - core::fmt::write::h7aa6cd0067dca82a
[INFO] [stderr]                                  at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/core/src/fmt/mod.rs:1094:17
[INFO] [stderr]      5:     0x56083cd6a435 - std::io::Write::write_fmt::hd7dd3a1df9b6befb
[INFO] [stderr]                                  at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/io/mod.rs:1584:15
[INFO] [stderr]      6:     0x56083cd6dc3b - std::sys_common::backtrace::_print::h551e9ec8a9fa8106
[INFO] [stderr]                                  at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x56083cd6dc3b - std::sys_common::backtrace::print::ha4b1c5e95fa040b3
[INFO] [stderr]                                  at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x56083cd6dc3b - std::panicking::default_hook::{{closure}}::h0b34c9ab7fb9f857
[INFO] [stderr]                                  at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x56083cd6d71d - std::panicking::default_hook::h3067e8318decd17a
[INFO] [stderr]                                  at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x56083cd6e1ed - std::panicking::rust_panic_with_hook::h81b8facc50f34daa
[INFO] [stderr]                                  at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x56083cd6ddb7 - std::panicking::begin_panic_handler::{{closure}}::ha376ab85d95a000e
[INFO] [stderr]                                  at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/panicking.rs:495:13
[INFO] [stderr]     12:     0x56083cd6c49c - std::sys_common::backtrace::__rust_end_short_backtrace::h6795c8afdd1a77e6
[INFO] [stderr]                                  at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x56083cd6dd49 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x56083cd421c1 - core::panicking::panic_fmt::hbe99dddd3092ba3c
[INFO] [stderr]                                  at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x56083cd4210d - core::panicking::panic::h3de4db67bd397eb3
[INFO] [stderr]                                  at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/core/src/panicking.rs:50:5
[INFO] [stderr]     16:     0x56083cd47fdc - build_script_build::main::h20817241481dc2d6
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:64:5
[INFO] [stderr]     17:     0x56083cd454cb - core::ops::function::FnOnce::call_once::h0857168ff780acff
[INFO] [stderr]                                  at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     18:     0x56083cd445ee - std::sys_common::backtrace::__rust_begin_short_backtrace::h4a72a3d5ba936a10
[INFO] [stderr]                                  at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     19:     0x56083cd484f1 - std::rt::lang_start::{{closure}}::h3d9f2ce90eb5b153
[INFO] [stderr]                                  at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/rt.rs:49:18
[INFO] [stderr]     20:     0x56083cd6e5ea - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h3b8c329143d7638a
[INFO] [stderr]                                  at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     21:     0x56083cd6e5ea - std::panicking::try::do_call::h4b72c261b4eefc1b
[INFO] [stderr]                                  at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/panicking.rs:379:40
[INFO] [stderr]     22:     0x56083cd6e5ea - std::panicking::try::h703d31b7896cbd49
[INFO] [stderr]                                  at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/panicking.rs:343:19
[INFO] [stderr]     23:     0x56083cd6e5ea - std::panic::catch_unwind::h37cad9b35388a915
[INFO] [stderr]                                  at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/panic.rs:431:14
[INFO] [stderr]     24:     0x56083cd6e5ea - std::rt::lang_start_internal::hab5a8a909af4f90e
[INFO] [stderr]                                  at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/rt.rs:34:21
[INFO] [stderr]     25:     0x56083cd484d0 - std::rt::lang_start::hc33eecc50676b97b
[INFO] [stderr]                                  at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/rt.rs:48:5
[INFO] [stderr]     26:     0x56083cd482cc - main
[INFO] [stderr]     27:     0x7f04ee18f0b3 - __libc_start_main
[INFO] [stderr]     28:     0x56083cd428de - _start
[INFO] [stderr]     29:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "6827c1db79912531352ee01f88cd18add6e87c793b4e8387fe59d2643b561496", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6827c1db79912531352ee01f88cd18add6e87c793b4e8387fe59d2643b561496", kill_on_drop: false }`
[INFO] [stdout] 6827c1db79912531352ee01f88cd18add6e87c793b4e8387fe59d2643b561496