[INFO] fetching crate llvm-sys 110.0.0...
[INFO] testing llvm-sys-110.0.0 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate llvm-sys 110.0.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate llvm-sys 110.0.0 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate llvm-sys 110.0.0
[INFO] finished tweaking crates.io crate llvm-sys 110.0.0
[INFO] tweaked toml for crates.io crate llvm-sys 110.0.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate llvm-sys 110.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 138d35eca9095e758a954d7f6fee968cee7a9731d04970cd22d80e93a8da2908
[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" "138d35eca9095e758a954d7f6fee968cee7a9731d04970cd22d80e93a8da2908", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "138d35eca9095e758a954d7f6fee968cee7a9731d04970cd22d80e93a8da2908", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "138d35eca9095e758a954d7f6fee968cee7a9731d04970cd22d80e93a8da2908", kill_on_drop: false }`
[INFO] [stdout] 138d35eca9095e758a954d7f6fee968cee7a9731d04970cd22d80e93a8da2908
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4222e39ad02674507ea2a2cd342202b8417a4a4d9e326c00b93c84f21c4032d
[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" "a4222e39ad02674507ea2a2cd342202b8417a4a4d9e326c00b93c84f21c4032d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling aho-corasick v0.7.14
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling regex v1.4.1
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling semver-parser v0.10.0
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling llvm-sys v110.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: No suitable version of LLVM was found system-wide or pointed
[INFO] [stdout]        to by LLVM_SYS_110_PREFIX.
[INFO] [stdout] 
[INFO] [stdout]        Consider using `llvmenv` to compile an appropriate copy of LLVM, and
[INFO] [stdout]        refer to the llvm-sys documentation for more information.
[INFO] [stdout] 
[INFO] [stdout]        llvm-sys: https://crates.io/crates/llvm-sys
[INFO] [stdout]        llvmenv: https://crates.io/crates/llvmenv
[INFO] [stdout]    --> src/lib.rs:486:1
[INFO] [stdout]     |
[INFO] [stdout] 486 | / std::compile_error!(concat!(
[INFO] [stdout] 487 | |     "No suitable version of LLVM was found system-wide or pointed
[INFO] [stdout] 488 | |        to by LLVM_SYS_",
[INFO] [stdout] 489 | |     env!("CARGO_PKG_VERSION_MAJOR"),
[INFO] [stdout] ...   |
[INFO] [stdout] 496 | |        llvmenv: https://crates.io/crates/llvmenv"
[INFO] [stdout] 497 | | ));
[INFO] [stdout]     | |___^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `llvm-sys`
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "a4222e39ad02674507ea2a2cd342202b8417a4a4d9e326c00b93c84f21c4032d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4222e39ad02674507ea2a2cd342202b8417a4a4d9e326c00b93c84f21c4032d", kill_on_drop: false }`
[INFO] [stdout] a4222e39ad02674507ea2a2cd342202b8417a4a4d9e326c00b93c84f21c4032d