[INFO] fetching crate leo-lang 1.5.3...
[INFO] testing leo-lang-1.5.3 against 1.55.0 for beta-1.56-1
[INFO] extracting crate leo-lang 1.5.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate leo-lang 1.5.3 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate leo-lang 1.5.3
[INFO] finished tweaking crates.io crate leo-lang 1.5.3
[INFO] tweaked toml for crates.io crate leo-lang 1.5.3 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate leo-lang 1.5.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded snarkvm-gadgets v0.7.5
[INFO] [stderr]   Downloaded mio-extras v2.0.6
[INFO] [stderr]   Downloaded predicates v2.0.0
[INFO] [stderr]   Downloaded predicates-tree v1.0.2
[INFO] [stderr]   Downloaded addr2line v0.15.2
[INFO] [stderr]   Downloaded tokio-util v0.6.7
[INFO] [stderr]   Downloaded openssl v0.10.35
[INFO] [stderr]   Downloaded h2 v0.3.3
[INFO] [stderr]   Downloaded object v0.25.3
[INFO] [stderr]   Downloaded difflib v0.4.0
[INFO] [stderr]   Downloaded num-bigint v0.4.0
[INFO] [stderr]   Downloaded backtrace v0.3.60
[INFO] [stderr]   Downloaded inotify v0.7.1
[INFO] [stderr]   Downloaded assert_cmd v1.0.7
[INFO] [stderr]   Downloaded typed-arena v2.0.1
[INFO] [stderr]   Downloaded rusty-hook v0.11.2
[INFO] [stderr]   Downloaded envmnt v0.8.4
[INFO] [stderr]   Downloaded futures-sink v0.3.15
[INFO] [stderr]   Downloaded httparse v1.4.1
[INFO] [stderr]   Downloaded http-body v0.4.2
[INFO] [stderr]   Downloaded fsevent-sys v2.0.1
[INFO] [stderr]   Downloaded self_update v0.27.0
[INFO] [stderr]   Downloaded hyper v0.14.10
[INFO] [stderr]   Downloaded blake2 v0.9.1
[INFO] [stderr]   Downloaded gimli v0.24.0
[INFO] [stderr]   Downloaded syn v1.0.73
[INFO] [stderr]   Downloaded nias v0.5.0
[INFO] [stderr]   Downloaded tokio v1.8.1
[INFO] [stderr]   Downloaded fsio v0.1.3
[INFO] [stderr]   Downloaded fsevent v0.4.0
[INFO] [stderr]   Downloaded notify v4.0.17
[INFO] [stderr]   Downloaded openssl-sys v0.9.65
[INFO] [stderr]   Downloaded sha2 v0.9.5
[INFO] [stderr]   Downloaded security-framework-sys v2.3.0
[INFO] [stderr]   Downloaded cpufeatures v0.1.5
[INFO] [stderr]   Downloaded filetime v0.2.14
[INFO] [stderr]   Downloaded redox_syscall v0.2.9
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.19
[INFO] [stderr]   Downloaded ci_info v0.10.2
[INFO] [stderr]   Downloaded leo-asg-passes v1.5.3
[INFO] [stderr]   Downloaded curl-sys v0.4.44+curl-7.77.0
[INFO] [stderr]   Downloaded leo-synthesizer v1.5.3
[INFO] [stderr]   Downloaded snarkvm-profiler v0.7.5
[INFO] [stderr]   Downloaded test_dir v0.1.0
[INFO] [stderr]   Downloaded snarkvm-derives v0.7.5
[INFO] [stderr]   Downloaded leo-imports v1.5.3
[INFO] [stderr]   Downloaded leo-package v1.5.3
[INFO] [stderr]   Downloaded snarkvm-fields v0.7.5
[INFO] [stderr]   Downloaded leo-parser v1.5.3
[INFO] [stderr]   Downloaded leo-asg v1.5.3
[INFO] [stderr]   Downloaded snarkvm-utilities v0.7.5
[INFO] [stderr]   Downloaded leo-compiler v1.5.3
[INFO] [stderr]   Downloaded snarkvm-polycommit v0.7.5
[INFO] [stderr]   Downloaded leo-state v1.5.3
[INFO] [stderr]   Downloaded snarkvm-curves v0.7.5
[INFO] [stderr]   Downloaded snarkvm-marlin v0.7.5
[INFO] [stderr]   Downloaded snarkvm-dpc v0.7.5
[INFO] [stderr]   Downloaded snarkvm-algorithms v0.7.5
[INFO] [stderr]   Downloaded snarkvm-r1cs v0.7.5
[INFO] [stderr]   Downloaded snarkvm-parameters v0.7.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1ee8fa6b472bbff5293fbf5a103e476e70e6788ec1ab5dbbfe1a94656dcbdc3d
[INFO] running `Command { std: "docker" "start" "-a" "1ee8fa6b472bbff5293fbf5a103e476e70e6788ec1ab5dbbfe1a94656dcbdc3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ee8fa6b472bbff5293fbf5a103e476e70e6788ec1ab5dbbfe1a94656dcbdc3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ee8fa6b472bbff5293fbf5a103e476e70e6788ec1ab5dbbfe1a94656dcbdc3d", kill_on_drop: false }`
[INFO] [stdout] 1ee8fa6b472bbff5293fbf5a103e476e70e6788ec1ab5dbbfe1a94656dcbdc3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 618123b4c02bbb5b96889f77176d04322d028199847515d2d229435f4d45a669
[INFO] running `Command { std: "docker" "start" "-a" "618123b4c02bbb5b96889f77176d04322d028199847515d2d229435f4d45a669", kill_on_drop: false }`
[INFO] [stderr]    Compiling snarkvm-profiler v0.7.5
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]    Compiling bech32 v0.8.1
[INFO] [stderr]    Compiling self_update v0.27.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling openssl-sys v0.9.65
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling tracing-core v0.1.18
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]    Compiling tokio v1.8.1
[INFO] [stderr]    Compiling curl-sys v0.4.44+curl-7.77.0
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling from-pest v0.3.1
[INFO] [stderr]    Compiling object v0.25.3
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling quick-xml v0.20.0
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling bitvec v0.19.5
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling tracing-log v0.1.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling inotify v0.7.1
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[INFO] [stderr]    Compiling console v0.14.1
[INFO] [stderr]    Compiling dirs v3.0.2
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling blake2 v0.9.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling indicatif v0.15.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling tracing-serde v0.1.2
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling structopt-derive v0.4.15
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling notify v4.0.17
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr] error: could not compile `tokio`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name tokio --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-1.8.1/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="bytes"' --cfg 'feature="default"' --cfg 'feature="io-util"' --cfg 'feature="libc"' --cfg 'feature="memchr"' --cfg 'feature="mio"' --cfg 'feature="net"' --cfg 'feature="num_cpus"' --cfg 'feature="rt"' --cfg 'feature="rt-multi-thread"' --cfg 'feature="sync"' --cfg 'feature="time"' --cfg 'feature="winapi"' -C metadata=ac16a7ff59d0ea52 -C extra-filename=-ac16a7ff59d0ea52 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-e6eec5aeecffa8a4.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-6f95d9ba35ebd6b1.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-e3068e1c9377047f.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-6fdc3693657862fb.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-d849de8e00ceb573.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-eca84dd3ea8e853e.rmeta --cap-lints allow --cap-lints=warn --cfg tokio_track_caller` (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" "618123b4c02bbb5b96889f77176d04322d028199847515d2d229435f4d45a669", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "618123b4c02bbb5b96889f77176d04322d028199847515d2d229435f4d45a669", kill_on_drop: false }`
[INFO] [stdout] 618123b4c02bbb5b96889f77176d04322d028199847515d2d229435f4d45a669