[INFO] fetching crate lkl 0.0.1...
[INFO] testing lkl-0.0.1 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate lkl 0.0.1 into /workspace/builds/worker-4-tc2/source
[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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lkl 0.0.1 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to highest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:9:12
[INFO] [stderr]    |
[INFO] [stderr]  9 | homepage = "https://github.com/gz/rust-lkl"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 13 | repository = "https://github.com/gz/rust-lkl"
[INFO] [stderr]    |              --------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `lkl` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 73236fef65a7c5b3815012c66fc6ccfe2df714452b90d3f53313513128a62b74
[INFO] running `Command { std: "docker" "start" "73236fef65a7c5b3815012c66fc6ccfe2df714452b90d3f53313513128a62b74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73236fef65a7c5b3815012c66fc6ccfe2df714452b90d3f53313513128a62b74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "73236fef65a7c5b3815012c66fc6ccfe2df714452b90d3f53313513128a62b74" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73236fef65a7c5b3815012c66fc6ccfe2df714452b90d3f53313513128a62b74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "73236fef65a7c5b3815012c66fc6ccfe2df714452b90d3f53313513128a62b74" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:9:12
[INFO] [stderr]    |
[INFO] [stderr]  9 | homepage = "https://github.com/gz/rust-lkl"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 13 | repository = "https://github.com/gz/rust-lkl"
[INFO] [stderr]    |              --------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `lkl` (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.191
[INFO] [stderr]    Compiling num_cpus v1.17.0
[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] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_RELEASE_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/release/build/lkl/aa39fa0f1a3be635/out/build_script_build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   OUT_DIR "/opt/rustwide/target/release/build/lkl/dfc4356f40ad103c/out"
[INFO] [stderr]   RMDIR "/opt/rustwide/target/release/build/lkl/dfc4356f40ad103c/out"
[INFO] [stderr]   MKDIR "/opt/rustwide/target/release/build/lkl/dfc4356f40ad103c/out"
[INFO] [stderr]   CLONE "/opt/rustwide/target/release/build/lkl/dfc4356f40ad103c/out"
[INFO] [stderr]   BUILD "/opt/rustwide/target/release/build/lkl/dfc4356f40ad103c/out"
[INFO] [stderr]   make: Entering directory '/opt/rustwide/target/release/build/lkl/dfc4356f40ad103c/out'
[INFO] [stderr]   make: Leaving directory '/opt/rustwide/target/release/build/lkl/dfc4356f40ad103c/out'
[INFO] [stderr]   OUT_DIR "/opt/rustwide/target/release/build/lkl/dfc4356f40ad103c/out"
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Cloning into '/opt/rustwide/target/release/build/lkl/dfc4356f40ad103c/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] 
[INFO] [stderr]   thread 'main' (97) panicked at build.rs:64:5:
[INFO] [stderr]   assertion failed: artefacts_built(out_dir_path.as_path())
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5cb7abffb8a1 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stderr]      1:     0x5cb7ac00ca0a - core[a373ad73a504971]::fmt::write
[INFO] [stderr]      2:     0x5cb7abfff29c - <std[617be2ca0a6fd877]::sys::stdio::unix::Stderr as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stderr]      3:     0x5cb7abfdf206 - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stderr]      4:     0x5cb7abff7a01 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stderr]      5:     0x5cb7abff7bbb - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stderr]      6:     0x5cb7abfdf2e4 - std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}
[INFO] [stderr]      7:     0x5cb7abfd8329 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]      8:     0x5cb7abfdfa7d - __rustc[ea4f61d10b84890b]::rust_begin_unwind
[INFO] [stderr]      9:     0x5cb7ac00d17c - core[a373ad73a504971]::panicking::panic_fmt
[INFO] [stderr]     10:     0x5cb7ac00d142 - core[a373ad73a504971]::panicking::panic
[INFO] [stderr]     11:     0x5cb7abfc408c - build_script_build[e40873250a2ed9f0]::main
[INFO] [stderr]     12:     0x5cb7abfc55f3 - <fn() as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     13:     0x5cb7abfc2b86 - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     14:     0x5cb7abfc2cf9 - std[617be2ca0a6fd877]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     15:     0x5cb7abff6e78 - std[617be2ca0a6fd877]::rt::lang_start_internal
[INFO] [stderr]     16:     0x5cb7abfc24b1 - std[617be2ca0a6fd877]::rt::lang_start::<()>
[INFO] [stderr]     17:     0x5cb7abfc5665 - main
[INFO] [stderr]     18:     0x7a755538b601 - <unknown>
[INFO] [stderr]     19:     0x7a755538b718 - __libc_start_main
[INFO] [stderr]     20:     0x5cb7abfc1a15 - _start
[INFO] [stderr]     21:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "73236fef65a7c5b3815012c66fc6ccfe2df714452b90d3f53313513128a62b74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73236fef65a7c5b3815012c66fc6ccfe2df714452b90d3f53313513128a62b74", kill_on_drop: false }`
[INFO] [stdout] 73236fef65a7c5b3815012c66fc6ccfe2df714452b90d3f53313513128a62b74
