[INFO] fetching crate exo 0.1.3...
[INFO] checking exo-0.1.3 against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782
[INFO] extracting crate exo 0.1.3 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate exo 0.1.3 on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate exo 0.1.3
[INFO] finished tweaking crates.io crate exo 0.1.3
[INFO] tweaked toml for crates.io crate exo 0.1.3 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate exo 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded redox_syscall v0.2.4
[INFO] [stderr]   Downloaded futures-task v0.3.12
[INFO] [stderr]   Downloaded console v0.14.0
[INFO] [stderr]   Downloaded sha-1 v0.9.3
[INFO] [stderr]   Downloaded futures-sink v0.3.12
[INFO] [stderr]   Downloaded snap v1.0.3
[INFO] [stderr]   Downloaded number_prefix v0.3.0
[INFO] [stderr]   Downloaded futures-io v0.3.12
[INFO] [stderr]   Downloaded futures-util v0.3.12
[INFO] [stderr]   Downloaded libp2p-core v0.27.0
[INFO] [stderr]   Downloaded memmap2 v0.2.0
[INFO] [stderr]   Downloaded dialoguer v0.7.1
[INFO] [stderr]   Downloaded multistream-select v0.10.0
[INFO] [stderr]   Downloaded futures-channel v0.3.12
[INFO] [stderr]   Downloaded futures-core v0.3.12
[INFO] [stderr]   Downloaded console v0.13.0
[INFO] [stderr]   Downloaded reqwest v0.11.0
[INFO] [stderr]   Downloaded libp2p-tcp v0.27.0
[INFO] [stderr]   Downloaded lru v0.6.4
[INFO] [stderr]   Downloaded libp2p-mplex v0.27.0
[INFO] [stderr]   Downloaded parity-multiaddr v0.11.0
[INFO] [stderr]   Downloaded futures-executor v0.3.12
[INFO] [stderr]   Downloaded terminal_size v0.1.16
[INFO] [stderr]   Downloaded libp2p-yamux v0.30.0
[INFO] [stderr]   Downloaded futures-macro v0.3.12
[INFO] [stderr]   Downloaded asynchronous-codec v0.5.0
[INFO] [stderr]   Downloaded futures v0.3.12
[INFO] [stderr]   Downloaded tracing v0.1.23
[INFO] [stderr]   Downloaded mio v0.7.7
[INFO] [stderr]   Downloaded indicatif v0.15.0
[INFO] [stderr]   Downloaded serde_yaml v0.8.16
[INFO] [stderr]   Downloaded idna v0.2.1
[INFO] [stderr]   Downloaded yamux v0.8.0
[INFO] [stderr]   Downloaded unsigned-varint v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8467bcee91a8659cb44899511f6252229aa88d26a98b878144cdd8f88a9156e8
[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" "8467bcee91a8659cb44899511f6252229aa88d26a98b878144cdd8f88a9156e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8467bcee91a8659cb44899511f6252229aa88d26a98b878144cdd8f88a9156e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8467bcee91a8659cb44899511f6252229aa88d26a98b878144cdd8f88a9156e8", kill_on_drop: false }`
[INFO] [stdout] 8467bcee91a8659cb44899511f6252229aa88d26a98b878144cdd8f88a9156e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--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] 6c13d22e44cda8c6fc90be8cc63b963f0ffd91fd92962e1bd350bd418d2ae1d4
[INFO] running `Command { std: "docker" "start" "-a" "6c13d22e44cda8c6fc90be8cc63b963f0ffd91fd92962e1bd350bd418d2ae1d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]     Checking futures-io v0.3.12
[INFO] [stderr]     Checking futures-sink v0.3.12
[INFO] [stderr]    Compiling ahash v0.4.7
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling bytecount v0.6.2
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling snap v1.0.3
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking regex-syntax v0.4.2
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking levenshtein_automata v0.2.0
[INFO] [stderr]     Checking htmlescape v0.3.1
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking census v0.4.0
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking zeroize v0.9.3
[INFO] [stderr]     Checking podio v0.1.7
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking os_str_bytes v2.4.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking murmurhash32 v0.2.0
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]     Checking quicksink v0.1.2
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking tracing v0.1.23
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking combine v4.5.2
[INFO] [stderr]     Checking bitpacking v0.8.2
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking indexmap v1.6.1
[INFO] [stderr]     Checking lru v0.6.4
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking tantivy-fst v0.3.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking sha-1 v0.9.3
[INFO] [stderr]     Checking idna v0.2.1
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking if-addrs v0.6.5
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking terminal_size v0.1.16
[INFO] [stderr]     Checking memmap2 v0.2.0
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking crossbeam-queue v0.3.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling rand_core v0.6.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling blake3 v0.3.7
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling bzip2-sys v0.1.10+1.0.8
[INFO] [stderr]     Checking console v0.14.0
[INFO] [stderr]     Checking console v0.13.0
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]     Checking crossbeam v0.8.0
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking zip v0.5.6
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking petname v1.1.0
[INFO] [stderr]     Checking dialoguer v0.7.1
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking webpki-roots v0.21.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking tantivy-query-grammar v0.14.0
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling prost-derive v0.7.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling asn1_der_derive v0.1.2
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling libp2p-core-derive v0.21.0
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[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 --crate-type lib --emit=dep-info,metadata -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=2371ccb6773d8178 -C extra-filename=-2371ccb6773d8178 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern arrayref=/opt/rustwide/target/debug/deps/libarrayref-3bf866771b9d68ca.rmeta --extern crunchy=/opt/rustwide/target/debug/deps/libcrunchy-99a9dae797743e10.rmeta --extern digest=/opt/rustwide/target/debug/deps/libdigest-e1788d5279e68399.rmeta --extern hmac_drbg=/opt/rustwide/target/debug/deps/libhmac_drbg-a83cf384843e1cc3.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-af6ab82a2b51f9bf.rmeta --extern sha2=/opt/rustwide/target/debug/deps/libsha2-3f35c60b54de7aa8.rmeta --extern subtle=/opt/rustwide/target/debug/deps/libsubtle-3e30d39fd74592ae.rmeta --extern typenum=/opt/rustwide/target/debug/deps/libtypenum-530a9999958f831b.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" "6c13d22e44cda8c6fc90be8cc63b963f0ffd91fd92962e1bd350bd418d2ae1d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c13d22e44cda8c6fc90be8cc63b963f0ffd91fd92962e1bd350bd418d2ae1d4", kill_on_drop: false }`
[INFO] [stdout] 6c13d22e44cda8c6fc90be8cc63b963f0ffd91fd92962e1bd350bd418d2ae1d4