[INFO] fetching crate zkp-stark 0.2.1...
[INFO] testing zkp-stark-0.2.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate zkp-stark 0.2.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate zkp-stark 0.2.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zkp-stark 0.2.1
[INFO] finished tweaking crates.io crate zkp-stark 0.2.1
[INFO] tweaked toml for crates.io crate zkp-stark 0.2.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate zkp-stark 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe08c54e8c866fd22edf3fc932d0b3e86d0f7122ce9fa68943e28517c1c8d16c
[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" "fe08c54e8c866fd22edf3fc932d0b3e86d0f7122ce9fa68943e28517c1c8d16c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe08c54e8c866fd22edf3fc932d0b3e86d0f7122ce9fa68943e28517c1c8d16c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe08c54e8c866fd22edf3fc932d0b3e86d0f7122ce9fa68943e28517c1c8d16c", kill_on_drop: false }`
[INFO] [stdout] fe08c54e8c866fd22edf3fc932d0b3e86d0f7122ce9fa68943e28517c1c8d16c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ba051e1ddfb736d8c6bf7d634a2e0ea09073504a60894cf05160f6c71e394af
[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" "9ba051e1ddfb736d8c6bf7d634a2e0ea09073504a60894cf05160f6c71e394af", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling rayon-core v1.8.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling radium v0.3.0
[INFO] [stderr]    Compiling bit-vec v0.6.2
[INFO] [stderr]    Compiling byte-slice-cast v0.3.5
[INFO] [stderr]    Compiling no-std-compat v0.4.1
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling zkp-error-utils v0.2.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling rayon v1.4.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling bitvec v0.17.4
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling page_size v0.4.2
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memadvise v0.1.2
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling zkp-mmap-vec v0.2.0
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling rusty-fork v0.2.2
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling proptest v0.9.6
[INFO] [stderr]    Compiling zkp-macros-lib v0.2.0
[INFO] [stderr]    Compiling zkp-macros-impl v0.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling zkp-macros-decl v0.2.0
[INFO] [stderr]    Compiling proptest-derive v0.1.2
[INFO] [stderr]    Compiling thiserror v1.0.21
[INFO] [stderr]    Compiling parity-scale-codec v1.3.5
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling tinytemplate v1.1.0
[INFO] [stderr]    Compiling zkp-u256 v0.2.0
[INFO] [stderr]    Compiling zkp-primefield v0.2.0
[INFO] [stderr]    Compiling zkp-hash v0.2.0
[INFO] [stderr]    Compiling zkp-merkle-tree v0.2.0
[INFO] [stderr]    Compiling zkp-stark v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 58s
[INFO] running `Command { std: "docker" "inspect" "9ba051e1ddfb736d8c6bf7d634a2e0ea09073504a60894cf05160f6c71e394af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ba051e1ddfb736d8c6bf7d634a2e0ea09073504a60894cf05160f6c71e394af", kill_on_drop: false }`
[INFO] [stdout] 9ba051e1ddfb736d8c6bf7d634a2e0ea09073504a60894cf05160f6c71e394af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--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] f9cefbd82cc7c69d91588823880a11d8e84599e0437183607e50d994e364dd47
[INFO] running `Command { std: "docker" "start" "-a" "f9cefbd82cc7c69d91588823880a11d8e84599e0437183607e50d994e364dd47", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling zkp-logging-allocator v0.2.0
[INFO] [stderr]    Compiling aho-corasick v0.7.14
[INFO] [stderr]    Compiling plotters v0.2.15
[INFO] [stderr]    Compiling rand_xoshiro v0.4.0
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling zkp-elliptic-curve v0.2.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling zkp-elliptic-curve-crypto v0.2.0
[INFO] [stderr]    Compiling regex v1.4.1
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling structopt-derive v0.4.13
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling structopt v0.3.20
[INFO] [stderr]    Compiling zkp-criterion-utils v0.2.0
[INFO] [stderr]    Compiling zkp-stark v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `zkp-stark`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name zkp_stark --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="default"' --cfg 'feature="hex"' --cfg 'feature="inline"' --cfg 'feature="prover"' --cfg 'feature="rand"' --cfg 'feature="rayon"' --cfg 'feature="serde"' --cfg 'feature="std"' --cfg 'feature="thiserror"' --cfg 'feature="tinytemplate"' -C metadata=6018a484bb5927cf -C extra-filename=-6018a484bb5927cf --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-f570bde1b18e1ed3.rlib --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-7edfc4f2d68047f2.rlib --extern hex=/opt/rustwide/target/debug/deps/libhex-8a54554534812d95.rlib --extern itertools=/opt/rustwide/target/debug/deps/libitertools-29b15b1da96b89d7.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-52efd85504769d61.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-e85f58044ae91ffe.rlib --extern no_std_compat=/opt/rustwide/target/debug/deps/libno_std_compat-100ed27bccebb802.rlib --extern proptest=/opt/rustwide/target/debug/deps/libproptest-ff8883e8b2914766.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-0e7b39ac874c528c.rlib --extern rand_xoshiro=/opt/rustwide/target/debug/deps/librand_xoshiro-c7c13355b3445d21.rlib --extern rayon=/opt/rustwide/target/debug/deps/librayon-342f940e03f29d4c.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-2ec4a4fb9488e3a6.rlib --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-caf188fd848d134d.rlib --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-4313807f910fa425.rlib --extern tiny_keccak=/opt/rustwide/target/debug/deps/libtiny_keccak-d91e9a275076f012.rlib --extern tinytemplate=/opt/rustwide/target/debug/deps/libtinytemplate-4abc4512c2379538.rlib --extern zkp_criterion_utils=/opt/rustwide/target/debug/deps/libzkp_criterion_utils-72762a78c962646b.rlib --extern zkp_elliptic_curve=/opt/rustwide/target/debug/deps/libzkp_elliptic_curve-2e89c694f63b0a8a.rlib --extern zkp_elliptic_curve_crypto=/opt/rustwide/target/debug/deps/libzkp_elliptic_curve_crypto-3cbf99d2435bed7e.rlib --extern zkp_hash=/opt/rustwide/target/debug/deps/libzkp_hash-285821129fa187bb.rlib --extern zkp_logging_allocator=/opt/rustwide/target/debug/deps/libzkp_logging_allocator-62a209f2bf5e4323.rlib --extern zkp_macros_decl=/opt/rustwide/target/debug/deps/libzkp_macros_decl-8c3f847a2c568b62.rlib --extern zkp_merkle_tree=/opt/rustwide/target/debug/deps/libzkp_merkle_tree-b86e4e56eb8826eb.rlib --extern zkp_mmap_vec=/opt/rustwide/target/debug/deps/libzkp_mmap_vec-569d7fbf38dda0c7.rlib --extern zkp_primefield=/opt/rustwide/target/debug/deps/libzkp_primefield-55611bd7a02fd046.rlib --extern zkp_u256=/opt/rustwide/target/debug/deps/libzkp_u256-1dd3ad99a1dbfb5b.rlib --cap-lints=warn` (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" "f9cefbd82cc7c69d91588823880a11d8e84599e0437183607e50d994e364dd47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9cefbd82cc7c69d91588823880a11d8e84599e0437183607e50d994e364dd47", kill_on_drop: false }`
[INFO] [stdout] f9cefbd82cc7c69d91588823880a11d8e84599e0437183607e50d994e364dd47