[INFO] fetching crate llvm-sys 100.0.1...
[INFO] checking llvm-sys-100.0.1 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate llvm-sys 100.0.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate llvm-sys 100.0.1 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate llvm-sys 100.0.1
[INFO] finished tweaking crates.io crate llvm-sys 100.0.1
[INFO] tweaked toml for crates.io crate llvm-sys 100.0.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate llvm-sys 100.0.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 18e2fc9aac794e9a53438d51415b4846d9869a16eed75a6f6b8e032020563538
[INFO] running `"docker" "start" "-a" "18e2fc9aac794e9a53438d51415b4846d9869a16eed75a6f6b8e032020563538"`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling llvm-sys v100.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> build.rs:210:23
[INFO] [stderr]     |
[INFO] [stderr] 210 |     let version_str = try!(llvm_config_ex(binary.as_ref(), "--version"));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> build.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | /// Environment variables that can guide compilation
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> build.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | ///
[INFO] [stderr]    | ^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> build.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | /// When adding new ones, they should also be added to main() to force a
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> build.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | /// rebuild if they are changed.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error: No suitable version of LLVM was found system-wide or pointed
[INFO] [stderr]        to by LLVM_SYS_100_PREFIX.
[INFO] [stderr] 
[INFO] [stderr]        Consider using `llvmenv` to compile an appropriate copy of LLVM, and
[INFO] [stderr]        refer to the llvm-sys documentation for more information.
[INFO] [stderr] 
[INFO] [stderr]        llvm-sys: https://crates.io/crates/llvm-sys
[INFO] [stderr]        llvmenv: https://crates.io/crates/llvmenv
[INFO] [stderr]    --> src/lib.rs:483:1
[INFO] [stderr]     |
[INFO] [stderr] 483 | / std::compile_error!(concat!(
[INFO] [stderr] 484 | |       "No suitable version of LLVM was found system-wide or pointed
[INFO] [stderr] 485 | |        to by LLVM_SYS_", env!("CARGO_PKG_VERSION_MAJOR"), "_PREFIX.
[INFO] [stderr] 486 | |
[INFO] [stderr] ...   |
[INFO] [stderr] 490 | |        llvm-sys: https://crates.io/crates/llvm-sys
[INFO] [stderr] 491 | |        llvmenv: https://crates.io/crates/llvmenv"));
[INFO] [stderr]     | |____________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] error: No suitable version of LLVM was found system-wide or pointed
[INFO] [stderr]        to by LLVM_SYS_100_PREFIX.
[INFO] [stderr] 
[INFO] [stderr]        Consider using `llvmenv` to compile an appropriate copy of LLVM, and
[INFO] [stderr]        refer to the llvm-sys documentation for more information.
[INFO] [stderr] 
[INFO] [stderr]        llvm-sys: https://crates.io/crates/llvm-sys
[INFO] [stderr]        llvmenv: https://crates.io/crates/llvmenv
[INFO] [stderr]    --> src/lib.rs:483:1
[INFO] [stderr]     |
[INFO] [stderr] 483 | / std::compile_error!(concat!(
[INFO] [stderr] 484 | |       "No suitable version of LLVM was found system-wide or pointed
[INFO] [stderr] 485 | |        to by LLVM_SYS_", env!("CARGO_PKG_VERSION_MAJOR"), "_PREFIX.
[INFO] [stderr] 486 | |
[INFO] [stderr] ...   |
[INFO] [stderr] 490 | |        llvm-sys: https://crates.io/crates/llvm-sys
[INFO] [stderr] 491 | |        llvmenv: https://crates.io/crates/llvmenv"));
[INFO] [stderr]     | |____________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `llvm-sys`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `llvm-sys`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "18e2fc9aac794e9a53438d51415b4846d9869a16eed75a6f6b8e032020563538"`
[INFO] running `"docker" "rm" "-f" "18e2fc9aac794e9a53438d51415b4846d9869a16eed75a6f6b8e032020563538"`
[INFO] [stdout] 18e2fc9aac794e9a53438d51415b4846d9869a16eed75a6f6b8e032020563538