[INFO] fetching crate frawk 0.4.2...
[INFO] testing frawk-0.4.2 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate frawk 0.4.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate frawk 0.4.2 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7/source/.cargo/config
[INFO] started tweaking crates.io crate frawk 0.4.2
[INFO] finished tweaking crates.io crate frawk 0.4.2
[INFO] tweaked toml for crates.io crate frawk 0.4.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate frawk 0.4.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 204c0cc209da75dcec8104e1f79900d9ab3b83d57ec9f020d85a3e69829faaa1
[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" "204c0cc209da75dcec8104e1f79900d9ab3b83d57ec9f020d85a3e69829faaa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "204c0cc209da75dcec8104e1f79900d9ab3b83d57ec9f020d85a3e69829faaa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "204c0cc209da75dcec8104e1f79900d9ab3b83d57ec9f020d85a3e69829faaa1", kill_on_drop: false }`
[INFO] [stdout] 204c0cc209da75dcec8104e1f79900d9ab3b83d57ec9f020d85a3e69829faaa1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97f51a6e7d9a8cbd6ab66553cc3b113ad5e079b08dbc94ca1ef9593cecdc2ce6
[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" "97f51a6e7d9a8cbd6ab66553cc3b113ad5e079b08dbc94ca1ef9593cecdc2ce6", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cranelift-entity v0.75.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.75.0
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling target-lexicon v0.12.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling lalrpop-util v0.17.2
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling os_str_bytes v2.4.0
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling fast-float v0.2.0
[INFO] [stderr]    Compiling bumpalo v3.7.0
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.75.0
[INFO] [stderr]    Compiling cranelift-bforest v0.75.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling textwrap v0.12.1
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling predicates v1.0.8
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling regalloc v0.0.31
[INFO] [stderr]    Compiling ena v0.13.1
[INFO] [stderr]    Compiling region v2.2.0
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling jemalloc-sys v0.3.2
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling assert_cmd v1.0.5
[INFO] [stderr]    Compiling gimli v0.24.0
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling globset v0.4.8
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling grep-cli v0.1.6
[INFO] [stderr]    Compiling llvm-sys v100.2.1
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]    Compiling cranelift-codegen v0.75.0
[INFO] [stderr]    Compiling clap v3.0.0-beta.2
[INFO] [stderr]    Compiling docopt v1.1.1
[INFO] [stderr]    Compiling lalrpop v0.17.2
[INFO] [stderr]    Compiling cranelift-native v0.75.0
[INFO] [stderr]    Compiling cranelift-frontend v0.75.0
[INFO] [stderr]    Compiling cranelift-module v0.75.0
[INFO] [stderr]    Compiling cranelift-jit v0.75.0
[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-0.75.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --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=10e6ac87ce117843 -C extra-filename=-10e6ac87ce117843 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern cranelift_bforest=/opt/rustwide/target/debug/deps/libcranelift_bforest-8dd82447fa0d117a.rmeta --extern cranelift_codegen_shared=/opt/rustwide/target/debug/deps/libcranelift_codegen_shared-d1415b3bee2147e3.rmeta --extern cranelift_entity=/opt/rustwide/target/debug/deps/libcranelift_entity-995026db2906b9ad.rmeta --extern gimli=/opt/rustwide/target/debug/deps/libgimli-a46d624aba59b349.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-01281b64fe0b6ea0.rmeta --extern regalloc=/opt/rustwide/target/debug/deps/libregalloc-e7a65c1c7f110215.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-2373f89db8adc0bf.rmeta --extern target_lexicon=/opt/rustwide/target/debug/deps/libtarget_lexicon-50419ebe32d50c5d.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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "97f51a6e7d9a8cbd6ab66553cc3b113ad5e079b08dbc94ca1ef9593cecdc2ce6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97f51a6e7d9a8cbd6ab66553cc3b113ad5e079b08dbc94ca1ef9593cecdc2ce6", kill_on_drop: false }`
[INFO] [stdout] 97f51a6e7d9a8cbd6ab66553cc3b113ad5e079b08dbc94ca1ef9593cecdc2ce6