[INFO] fetching crate exocore 0.1.1...
[INFO] testing exocore-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate exocore 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate exocore 0.1.1 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 exocore 0.1.1
[INFO] finished tweaking crates.io crate exocore 0.1.1
[INFO] tweaked toml for crates.io crate exocore 0.1.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "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] 1db2478d5fbff2061bbc4c62cedd5e3034a2a864fc1ca4d1a7abe1a70c26cf21
[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" "1db2478d5fbff2061bbc4c62cedd5e3034a2a864fc1ca4d1a7abe1a70c26cf21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1db2478d5fbff2061bbc4c62cedd5e3034a2a864fc1ca4d1a7abe1a70c26cf21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1db2478d5fbff2061bbc4c62cedd5e3034a2a864fc1ca4d1a7abe1a70c26cf21", kill_on_drop: false }`
[INFO] [stdout] 1db2478d5fbff2061bbc4c62cedd5e3034a2a864fc1ca4d1a7abe1a70c26cf21
[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=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] 80ee39d5e84c6806d94d87701974638c25b4f64641b9bedda0ea9ddabe0e9330
[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" "80ee39d5e84c6806d94d87701974638c25b4f64641b9bedda0ea9ddabe0e9330", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.8
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling subtle v2.4.0
[INFO] [stderr]    Compiling futures-io v0.3.8
[INFO] [stderr]    Compiling block-padding v0.2.1
[INFO] [stderr]    Compiling multimap v0.8.2
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling bs58 v0.4.0
[INFO] [stderr]    Compiling futures-timer v3.0.2
[INFO] [stderr]    Compiling cpuid-bool v0.2.0
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]    Compiling nohash-hasher v0.2.0
[INFO] [stderr]    Compiling capnp v0.14.0
[INFO] [stderr]    Compiling protobuf v2.18.1
[INFO] [stderr]    Compiling log-mdc v0.1.0
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling snap v1.0.3
[INFO] [stderr]    Compiling regex-syntax v0.4.2
[INFO] [stderr]    Compiling census v0.4.0
[INFO] [stderr]    Compiling htmlescape v0.3.1
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling levenshtein_automata v0.2.0
[INFO] [stderr]    Compiling futures-task v0.3.8
[INFO] [stderr]    Compiling ring v0.16.19
[INFO] [stderr]    Compiling blake3 v0.3.7
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling tokio v0.3.6
[INFO] [stderr]    Compiling atomic v0.5.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling futures-channel v0.3.8
[INFO] [stderr]    Compiling quicksink v0.1.2
[INFO] [stderr]    Compiling owned-read v0.4.1
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling blake2b_simd v0.5.11
[INFO] [stderr]    Compiling blake2s_simd v0.5.11
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.0
[INFO] [stderr]    Compiling getrandom v0.2.1
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling if-addrs v0.6.5
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling inotify-sys v0.1.4
[INFO] [stderr]    Compiling filetime v0.2.13
[INFO] [stderr]    Compiling memmap2 v0.2.0
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling combine v4.5.1
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling bitpacking v0.8.2
[INFO] [stderr]    Compiling capnpc v0.14.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_core v0.6.0
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling block-cipher v0.8.0
[INFO] [stderr]    Compiling universal-hash v0.4.0
[INFO] [stderr]    Compiling aead v0.3.2
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling inotify v0.7.1
[INFO] [stderr]    Compiling flate2 v1.0.19
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling tantivy-fst v0.3.0
[INFO] [stderr]    Compiling murmurhash32 v0.2.0
[INFO] [stderr]    Compiling sha2 v0.9.2
[INFO] [stderr]    Compiling sha3 v0.9.1
[INFO] [stderr]    Compiling sha-1 v0.9.2
[INFO] [stderr]    Compiling blake2 v0.9.1
[INFO] [stderr]    Compiling aes-soft v0.5.0
[INFO] [stderr]    Compiling stream-cipher v0.7.1
[INFO] [stderr]    Compiling polyval v0.4.5
[INFO] [stderr]    Compiling poly1305 v0.6.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling ordered-float v2.0.1
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling rand v0.8.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling aes v0.5.0
[INFO] [stderr]    Compiling ghash v0.3.1
[INFO] [stderr]    Compiling aes-gcm v0.7.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling libsecp256k1 v0.3.5
[INFO] [stderr]    Compiling petname v1.0.13
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling atomicwrites v0.2.5
[INFO] [stderr]    Compiling webpki v0.21.4
[INFO] [stderr]    Compiling sct v0.6.0
[INFO] [stderr]    Compiling webpki-roots v0.21.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling asn1_der_derive v0.1.2
[INFO] [stderr]    Compiling tokio-macros v0.3.2
[INFO] [stderr]    Compiling libp2p-core-derive v0.21.0
[INFO] [stderr]    Compiling derivative v2.1.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling tantivy-query-grammar v0.13.0
[INFO] [stderr] error: could not compile `libsecp256k1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name secp256k1 --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libsecp256k1-0.3.5/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="hmac"' --cfg 'feature="hmac-drbg"' --cfg 'feature="sha2"' --cfg 'feature="std"' --cfg 'feature="typenum"' -C metadata=9799b7ec4ea2566a -C extra-filename=-9799b7ec4ea2566a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern arrayref=/opt/rustwide/target/debug/deps/libarrayref-3c1208ed30c61842.rmeta --extern crunchy=/opt/rustwide/target/debug/deps/libcrunchy-2b7eb21e67f929e8.rmeta --extern digest=/opt/rustwide/target/debug/deps/libdigest-560da67ecda1b926.rmeta --extern hmac_drbg=/opt/rustwide/target/debug/deps/libhmac_drbg-4080e3a675837e4f.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-000444e055c92bbf.rmeta --extern sha2=/opt/rustwide/target/debug/deps/libsha2-85477b3d6ca32af7.rmeta --extern subtle=/opt/rustwide/target/debug/deps/libsubtle-dc815605103eff9f.rmeta --extern typenum=/opt/rustwide/target/debug/deps/libtypenum-a5e8dd74bd8dfb37.rmeta --cap-lints allow --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" "80ee39d5e84c6806d94d87701974638c25b4f64641b9bedda0ea9ddabe0e9330", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80ee39d5e84c6806d94d87701974638c25b4f64641b9bedda0ea9ddabe0e9330", kill_on_drop: false }`
[INFO] [stdout] 80ee39d5e84c6806d94d87701974638c25b4f64641b9bedda0ea9ddabe0e9330