[INFO] fetching crate lightbeam 0.30.0...
[INFO] testing lightbeam-0.30.0 against try#61cd42370816fd135c0f3b9debf2f5dfcf194594 for pr-98839
[INFO] extracting crate lightbeam 0.30.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate lightbeam 0.30.0 on toolchain 61cd42370816fd135c0f3b9debf2f5dfcf194594
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+61cd42370816fd135c0f3b9debf2f5dfcf194594" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lightbeam 0.30.0
[INFO] finished tweaking crates.io crate lightbeam 0.30.0
[INFO] tweaked toml for crates.io crate lightbeam 0.30.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate lightbeam 0.30.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+61cd42370816fd135c0f3b9debf2f5dfcf194594" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+61cd42370816fd135c0f3b9debf2f5dfcf194594" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc6c2526de662f4580d3caa1e616ae7a33f6d595dd6dc065d52015bc7dfbfc70
[INFO] running `Command { std: "docker" "start" "-a" "cc6c2526de662f4580d3caa1e616ae7a33f6d595dd6dc065d52015bc7dfbfc70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc6c2526de662f4580d3caa1e616ae7a33f6d595dd6dc065d52015bc7dfbfc70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc6c2526de662f4580d3caa1e616ae7a33f6d595dd6dc065d52015bc7dfbfc70", kill_on_drop: false }`
[INFO] [stdout] cc6c2526de662f4580d3caa1e616ae7a33f6d595dd6dc065d52015bc7dfbfc70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+61cd42370816fd135c0f3b9debf2f5dfcf194594" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41584722b240f0fa6e6aa1f32e5a48a7418ec1efe125b4c72a9b7ccd01556623
[INFO] running `Command { std: "docker" "start" "-a" "41584722b240f0fa6e6aa1f32e5a48a7418ec1efe125b4c72a9b7ccd01556623", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling cranelift-entity v0.77.0
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.77.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling target-lexicon v0.12.2
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling more-asserts v0.2.1
[INFO] [stderr]    Compiling wasmparser v0.80.1
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.77.0
[INFO] [stderr]    Compiling cranelift-bforest v0.77.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling capstone-sys v0.13.0
[INFO] [stderr]    Compiling unsafe-any v0.4.2
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling regalloc v0.0.31
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling memmap2 v0.2.3
[INFO] [stderr]    Compiling cranelift-codegen v0.77.0
[INFO] [stderr]    Compiling gimli v0.25.0
[INFO] [stderr]    Compiling derive_utils v0.11.2
[INFO] [stderr]    Compiling dynasm v1.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling iter-enum v1.0.1
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr] error: could not compile `cranelift-codegen`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name cranelift_codegen --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cranelift-codegen-0.77.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="gimli"' --cfg 'feature="std"' --cfg 'feature="unwind"' -C metadata=73a52f76f8fd61f1 -C extra-filename=-73a52f76f8fd61f1 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern cranelift_bforest=/opt/rustwide/target/debug/deps/libcranelift_bforest-ff851bef60c0721f.rmeta --extern cranelift_codegen_shared=/opt/rustwide/target/debug/deps/libcranelift_codegen_shared-d862b04d7e2363ba.rmeta --extern cranelift_entity=/opt/rustwide/target/debug/deps/libcranelift_entity-da3be74b2e89afd2.rmeta --extern gimli=/opt/rustwide/target/debug/deps/libgimli-ce68cc33de743a9e.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-d1d9e9bb2ac58ba1.rmeta --extern regalloc=/opt/rustwide/target/debug/deps/libregalloc-d614c09d2f80a00d.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-dba68b901e1d2035.rmeta --extern target_lexicon=/opt/rustwide/target/debug/deps/libtarget_lexicon-0ac56756f56ecd16.rmeta --cap-lints allow --cap-lints=forbid --cfg 'feature="x86"'` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "41584722b240f0fa6e6aa1f32e5a48a7418ec1efe125b4c72a9b7ccd01556623", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41584722b240f0fa6e6aa1f32e5a48a7418ec1efe125b4c72a9b7ccd01556623", kill_on_drop: false }`
[INFO] [stdout] 41584722b240f0fa6e6aa1f32e5a48a7418ec1efe125b4c72a9b7ccd01556623