[INFO] cloning repository https://github.com/pen-lang/pen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pen-lang/pen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpen-lang%2Fpen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpen-lang%2Fpen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 84bd33d67233432e566deb9f51c12df6efdfd3b8
[INFO] checking pen-lang/pen against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpen-lang%2Fpen" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pen-lang/pen on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-10/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/pen-lang/pen
[INFO] finished tweaking git repo https://github.com/pen-lang/pen
[INFO] tweaked toml for git repo https://github.com/pen-lang/pen written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/pen-lang/pen already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b9746221dbc064d306632fae8cc4c733bf9228b0b54047e69cc1316db58c28b
[INFO] running `Command { std: "docker" "start" "-a" "2b9746221dbc064d306632fae8cc4c733bf9228b0b54047e69cc1316db58c28b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b9746221dbc064d306632fae8cc4c733bf9228b0b54047e69cc1316db58c28b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b9746221dbc064d306632fae8cc4c733bf9228b0b54047e69cc1316db58c28b", kill_on_drop: false }`
[INFO] [stdout] 2b9746221dbc064d306632fae8cc4c733bf9228b0b54047e69cc1316db58c28b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f777338871d23991cdc6725e385c4afeab504c355beff90e1bf617d67bd59abc
[INFO] running `Command { std: "docker" "start" "-a" "f777338871d23991cdc6725e385c4afeab504c355beff90e1bf617d67bd59abc", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking fixedbitset v0.4.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling inkwell v0.1.0 (https://github.com/TheDan64/inkwell?branch=master#41857f90)
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking pen-ffi v0.1.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking pen-ffi v0.1.0 (/opt/rustwide/workdir/lib/ffi)
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]     Checking tinyvec v1.3.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling indoc v1.0.3
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking which v4.1.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking pretty_assertions v0.7.2
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking os v0.1.0 (/opt/rustwide/workdir/lib/os/ffi)
[INFO] [stderr]     Checking core v0.1.0 (/opt/rustwide/workdir/lib/core/ffi)
[INFO] [stderr]     Checking prelude v0.1.0 (/opt/rustwide/workdir/lib/prelude/ffi)
[INFO] [stderr]     Checking mir v0.1.0 (/opt/rustwide/workdir/lib/mir)
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking petgraph v0.6.0
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking combine v4.6.0
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking fmm v0.1.0 (https://github.com/raviqqe/fmm?branch=main#3d66f73a)
[INFO] [stderr]     Checking mir-fmm v0.1.0 (/opt/rustwide/workdir/lib/mir-fmm)
[INFO] [stderr]     Checking fmm-c v0.1.0 (https://github.com/raviqqe/fmm?branch=main#3d66f73a)
[INFO] [stderr]    Compiling llvm-sys v120.1.0
[INFO] [stdout] error: No suitable version of LLVM was found system-wide or pointed
[INFO] [stdout]        to by LLVM_SYS_120_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]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-120.1.0/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] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `llvm-sys` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f777338871d23991cdc6725e385c4afeab504c355beff90e1bf617d67bd59abc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f777338871d23991cdc6725e385c4afeab504c355beff90e1bf617d67bd59abc", kill_on_drop: false }`
[INFO] [stdout] f777338871d23991cdc6725e385c4afeab504c355beff90e1bf617d67bd59abc