[INFO] fetching crate exo 0.1.10...
[INFO] checking exo-0.1.10 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate exo 0.1.10 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate exo 0.1.10 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate exo 0.1.10
[INFO] finished tweaking crates.io crate exo 0.1.10
[INFO] tweaked toml for crates.io crate exo 0.1.10 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate exo 0.1.10 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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] 92d9d48d0cf3d579eeb29a0a66549ea832458fdab3be283b4878198d7ccf295e
[INFO] running `Command { std: "docker" "start" "-a" "92d9d48d0cf3d579eeb29a0a66549ea832458fdab3be283b4878198d7ccf295e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92d9d48d0cf3d579eeb29a0a66549ea832458fdab3be283b4878198d7ccf295e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92d9d48d0cf3d579eeb29a0a66549ea832458fdab3be283b4878198d7ccf295e", kill_on_drop: false }`
[INFO] [stdout] 92d9d48d0cf3d579eeb29a0a66549ea832458fdab3be283b4878198d7ccf295e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f817918fe85cbc01b83b98c97e3a56e9cbd84af5c5d45e8938f2ad0290c5754
[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" "1f817918fe85cbc01b83b98c97e3a56e9cbd84af5c5d45e8938f2ad0290c5754", kill_on_drop: false }`
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling bytecount v0.6.2
[INFO] [stderr]     Checking wasmparser v0.78.2
[INFO] [stderr]    Compiling zstd-safe v3.0.1+zstd.1.4.9
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]    Compiling wasmtime-cache v0.28.0
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking regex-syntax v0.4.2
[INFO] [stderr]     Checking crc-catalog v1.1.1
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking tantivy-bitpacker v0.1.0
[INFO] [stderr]     Checking fastdivide v0.3.0
[INFO] [stderr]     Checking census v0.4.0
[INFO] [stderr]     Checking levenshtein_automata v0.2.1
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking os_str_bytes v2.4.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling tokio v1.8.1
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking murmurhash32 v0.2.0
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]    Compiling cpp_demangle v0.3.2
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking twox-hash v1.6.0
[INFO] [stderr]     Checking crc v2.0.0
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling anyhow v1.0.41
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking memmap2 v0.3.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking errno v0.2.7
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]     Checking combine v4.6.0
[INFO] [stderr]     Checking region v2.2.0
[INFO] [stderr]     Checking bitpacking v0.8.4
[INFO] [stderr]     Checking lz4_flex v0.8.2
[INFO] [stderr]     Checking directories-next v2.0.0
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking lru v0.6.5
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking universal-hash v0.4.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking aead v0.4.1
[INFO] [stderr]     Checking ordered-float v2.6.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling scroll_derive v0.10.5
[INFO] [stderr]     Checking console v0.14.1
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]     Checking sha-1 v0.9.6
[INFO] [stderr]     Checking ctr v0.7.0
[INFO] [stderr]     Checking blake2 v0.9.1
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]     Checking polyval v0.5.1
[INFO] [stderr]     Checking poly1305 v0.7.0
[INFO] [stderr]    Compiling prost-derive v0.7.0
[INFO] [stderr]     Checking tantivy-fst v0.3.0
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking crossbeam v0.8.1
[INFO] [stderr]     Checking cranelift-entity v0.75.0
[INFO] [stderr]     Checking cranelift-codegen-shared v0.75.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking rust-stemmers v1.2.0
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling cargo-platform v0.1.1
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking serde-value v0.7.0
[INFO] [stderr]     Checking regalloc v0.0.31
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking fail v0.4.0
[INFO] [stderr]     Checking ghash v0.4.2
[INFO] [stderr]     Checking indicatif v0.16.2
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]     Checking object v0.25.3
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]     Checking cranelift-bforest v0.75.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]     Checking shadow-rs v0.6.2
[INFO] [stderr]     Checking scroll v0.10.2
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.75.0
[INFO] [stderr]    Compiling zeroize_derive v1.1.0
[INFO] [stderr]     Checking aes-gcm v0.9.2
[INFO] [stderr]     Checking log4rs v1.0.0
[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 --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=7bf80ec276e830c3 -C extra-filename=-7bf80ec276e830c3 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern arrayref=/opt/rustwide/target/debug/deps/libarrayref-8b0492b6c718a608.rmeta --extern crunchy=/opt/rustwide/target/debug/deps/libcrunchy-91c527b85ad5e5e1.rmeta --extern digest=/opt/rustwide/target/debug/deps/libdigest-85f4fbaafd591419.rmeta --extern hmac_drbg=/opt/rustwide/target/debug/deps/libhmac_drbg-0eb2daec9ba6c79d.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-96bdd503dd5022ac.rmeta --extern sha2=/opt/rustwide/target/debug/deps/libsha2-e1628ed09c326f36.rmeta --extern subtle=/opt/rustwide/target/debug/deps/libsubtle-ee147d951db25a43.rmeta --extern typenum=/opt/rustwide/target/debug/deps/libtypenum-bde73e350aba24d5.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" "1f817918fe85cbc01b83b98c97e3a56e9cbd84af5c5d45e8938f2ad0290c5754", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f817918fe85cbc01b83b98c97e3a56e9cbd84af5c5d45e8938f2ad0290c5754", kill_on_drop: false }`
[INFO] [stdout] 1f817918fe85cbc01b83b98c97e3a56e9cbd84af5c5d45e8938f2ad0290c5754