[INFO] cloning repository https://github.com/jamesblacklock/wasmer-singlepass-arm-concept
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jamesblacklock/wasmer-singlepass-arm-concept" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamesblacklock%2Fwasmer-singlepass-arm-concept", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamesblacklock%2Fwasmer-singlepass-arm-concept'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b6e4ab8a6f9e4192425938cc9e6e070fc485a899
[INFO] checking jamesblacklock/wasmer-singlepass-arm-concept against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamesblacklock%2Fwasmer-singlepass-arm-concept" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jamesblacklock/wasmer-singlepass-arm-concept on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/jamesblacklock/wasmer-singlepass-arm-concept
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/jamesblacklock/wasmer-singlepass-arm-concept
[INFO] tweaked toml for git repo https://github.com/jamesblacklock/wasmer-singlepass-arm-concept written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/jamesblacklock/wasmer-singlepass-arm-concept already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf3e52356488cf7cc92dbac176aded5816debbe7193af5b3c24d329e6af8fd9e
[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" "cf3e52356488cf7cc92dbac176aded5816debbe7193af5b3c24d329e6af8fd9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf3e52356488cf7cc92dbac176aded5816debbe7193af5b3c24d329e6af8fd9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf3e52356488cf7cc92dbac176aded5816debbe7193af5b3c24d329e6af8fd9e", kill_on_drop: false }`
[INFO] [stdout] cf3e52356488cf7cc92dbac176aded5816debbe7193af5b3c24d329e6af8fd9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c3cd2050e1a53193d4bd9e7be35408d08328fe3b7a5195cfea2a87ac35cacfc
[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" "6c3cd2050e1a53193d4bd9e7be35408d08328fe3b7a5195cfea2a87ac35cacfc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling target-lexicon v0.12.0
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]    Compiling rkyv v0.6.6
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking seahash v4.1.0
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking rustc-demangle v0.1.19
[INFO] [stderr]     Checking more-asserts v0.2.1
[INFO] [stderr]     Checking wasmparser v0.78.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking leb128 v0.2.4
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.74.0
[INFO] [stderr]    Compiling cranelift-entity v0.74.0
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling wasmer-compiler-cranelift v2.0.0 (/opt/rustwide/workdir/lib/compiler-cranelift)
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling erased-serde v0.3.15
[INFO] [stderr]    Compiling inventory v0.1.10
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling bindgen v0.56.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]     Checking plotters-backend v0.3.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]    Compiling compiler-test-derive v0.0.1 (/opt/rustwide/workdir/tests/lib/compiler-test-derive)
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling cbindgen v0.18.0
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling compiletest_rs v0.6.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking predicates-core v1.0.2
[INFO] [stderr]    Compiling wasmer-cli v2.0.0 (/opt/rustwide/workdir/lib/cli)
[INFO] [stderr]    Compiling target-lexicon v0.11.2
[INFO] [stderr]     Checking distance v0.4.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking bytesize v1.0.1
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]    Compiling wasmer_inkwell v0.2.0-alpha.2
[INFO] [stderr]    Compiling trybuild v1.0.42
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]     Checking ref_thread_local v0.1.0
[INFO] [stderr]     Checking array-init v2.0.0
[INFO] [stderr]     Checking libloading v0.7.0
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking wast v35.0.2
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.74.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking cranelift-bforest v0.74.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling build-deps v0.1.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling clang-sys v1.2.0
[INFO] [stderr]    Compiling wayland-sys v0.28.5
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]     Checking plotters-svg v0.3.0
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]    Compiling wasmer-vm v2.0.0 (/opt/rustwide/workdir/lib/vm)
[INFO] [stderr]    Compiling blake3 v0.3.8
[INFO] [stderr]    Compiling minifb v0.19.3
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]     Checking predicates-tree v1.0.2
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]     Checking regalloc v0.0.31
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking test-generator v0.1.0 (/opt/rustwide/workdir/tests/lib/test-generator)
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling wayland-scanner v0.28.5
[INFO] [stderr]     Checking region v2.2.0
[INFO] [stderr]     Checking memmap2 v0.2.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking which v4.1.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking filetime v0.2.14
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking xcursor v0.3.3
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking wat v1.0.37
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]     Checking predicates v1.0.8
[INFO] [stderr] error: could not compile `cranelift-codegen-meta`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name cranelift_codegen_meta --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cranelift-codegen-meta-0.74.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=d979827fbc358d0c -C extra-filename=-d979827fbc358d0c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern cranelift_codegen_shared=/opt/rustwide/target/debug/deps/libcranelift_codegen_shared-7fb15b7f16b6bbae.rmeta --extern cranelift_entity=/opt/rustwide/target/debug/deps/libcranelift_entity-f66830365ec83c05.rmeta --cap-lints allow --cap-lints=forbid` (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" "6c3cd2050e1a53193d4bd9e7be35408d08328fe3b7a5195cfea2a87ac35cacfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c3cd2050e1a53193d4bd9e7be35408d08328fe3b7a5195cfea2a87ac35cacfc", kill_on_drop: false }`
[INFO] [stdout] 6c3cd2050e1a53193d4bd9e7be35408d08328fe3b7a5195cfea2a87ac35cacfc