[INFO] fetching crate inkwell 0.1.0-llvm10sample...
[INFO] documenting inkwell-0.1.0-llvm10sample against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate inkwell 0.1.0-llvm10sample into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate inkwell 0.1.0-llvm10sample on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate inkwell 0.1.0-llvm10sample
[INFO] finished tweaking crates.io crate inkwell 0.1.0-llvm10sample
[INFO] tweaked toml for crates.io crate inkwell 0.1.0-llvm10sample written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate inkwell 0.1.0-llvm10sample already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded inkwell_internals v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29e7f34739f79ef35c6559e3d87b34ab61f45a84c1c701372c6269af1e998408
[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" "29e7f34739f79ef35c6559e3d87b34ab61f45a84c1c701372c6269af1e998408", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29e7f34739f79ef35c6559e3d87b34ab61f45a84c1c701372c6269af1e998408", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29e7f34739f79ef35c6559e3d87b34ab61f45a84c1c701372c6269af1e998408", kill_on_drop: false }`
[INFO] [stdout] 29e7f34739f79ef35c6559e3d87b34ab61f45a84c1c701372c6269af1e998408
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "RUSTDOCFLAGS=--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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18418bc48a5b83612b6f2590ea11c4841a3a17e082c1a95b713bbd2c6dec626d
[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" "18418bc48a5b83612b6f2590ea11c4841a3a17e082c1a95b713bbd2c6dec626d", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking instant v0.1.4
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]    Compiling inkwell v0.1.0-llvm10sample (/opt/rustwide/workdir)
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking lock_api v0.4.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling llvm-sys v100.0.1
[INFO] [stderr]    Compiling inkwell_internals v0.2.0
[INFO] [stderr]  Documenting inkwell v0.1.0-llvm10sample (/opt/rustwide/workdir)
[INFO] [stdout] error: One of the LLVM feature flags must be provided: llvm3-6 llvm3-7 llvm3-8 llvm3-9 llvm4-0 llvm5-0 llvm6-0 llvm7-0 llvm8-0 llvm9-0 llvm10-0 
[INFO] [stdout]   --> src/lib.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |         compile_error!(concat!("One of the LLVM feature flags must be provided: ", $($all, " "),*));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75 | assert_unique_used_features!{"llvm3-6", "llvm3-7", "llvm3-8", "llvm3-9", "llvm4-0", "llvm5-0", "llvm6-0", "llvm7-0", "llvm8-0", "llvm9-0", "llvm10-0"}
[INFO] [stdout]    | ------------------------------------------------------------------------------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::values::metadata_value::FIRST_CUSTOM_METADATA_KIND_ID`
[INFO] [stdout]   --> src/values/mod.rs:36:56
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub use crate::values::metadata_value::{MetadataValue, FIRST_CUSTOM_METADATA_KIND_ID};
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `FIRST_CUSTOM_METADATA_KIND_ID` in `values::metadata_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `inkwell`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name inkwell src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="target-aarch64"' --cfg 'feature="target-all"' --cfg 'feature="target-amdgpu"' --cfg 'feature="target-arm"' --cfg 'feature="target-bpf"' --cfg 'feature="target-hexagon"' --cfg 'feature="target-lanai"' --cfg 'feature="target-mips"' --cfg 'feature="target-msp430"' --cfg 'feature="target-nvptx"' --cfg 'feature="target-powerpc"' --cfg 'feature="target-riscv"' --cfg 'feature="target-sparc"' --cfg 'feature="target-systemz"' --cfg 'feature="target-webassembly"' --cfg 'feature="target-x86"' --cfg 'feature="target-xcore"' --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern either=/opt/rustwide/target/debug/deps/libeither-2a5da575b1bf33be.rmeta --extern inkwell_internals=/opt/rustwide/target/debug/deps/libinkwell_internals-90df501e27944764.so --extern libc=/opt/rustwide/target/debug/deps/liblibc-d2b3585c96b24d02.rmeta --extern llvm_sys=/opt/rustwide/target/debug/deps/libllvm_sys-601405e95511bca0.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-f7a5cb7d867a8b44.rmeta --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-d584ba52f71f2b67.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-02df3c8f4aabc6bd.rmeta --cap-lints=forbid` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "18418bc48a5b83612b6f2590ea11c4841a3a17e082c1a95b713bbd2c6dec626d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18418bc48a5b83612b6f2590ea11c4841a3a17e082c1a95b713bbd2c6dec626d", kill_on_drop: false }`
[INFO] [stdout] 18418bc48a5b83612b6f2590ea11c4841a3a17e082c1a95b713bbd2c6dec626d