[INFO] fetching crate libsecp256k1 0.5.0...
[INFO] checking libsecp256k1-0.5.0 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate libsecp256k1 0.5.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate libsecp256k1 0.5.0 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libsecp256k1 0.5.0
[INFO] finished tweaking crates.io crate libsecp256k1 0.5.0
[INFO] tweaked toml for crates.io crate libsecp256k1 0.5.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3a18b330b0d8b83de73151197dba8b5be9ef46f994e214995739e1edc273420
[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" "c3a18b330b0d8b83de73151197dba8b5be9ef46f994e214995739e1edc273420", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3a18b330b0d8b83de73151197dba8b5be9ef46f994e214995739e1edc273420", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3a18b330b0d8b83de73151197dba8b5be9ef46f994e214995739e1edc273420", kill_on_drop: false }`
[INFO] [stdout] c3a18b330b0d8b83de73151197dba8b5be9ef46f994e214995739e1edc273420
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "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] fb2f97cfa53b7ca75b13b06bd2594cc512615cd84def9cffe2f08a1395d26b69
[INFO] running `Command { std: "docker" "start" "-a" "fb2f97cfa53b7ca75b13b06bd2594cc512615cd84def9cffe2f08a1395d26b69", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling subtle v2.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling clear_on_drop v0.2.4
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling hex-literal-impl v0.2.2
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]     Checking libsecp256k1-core v0.2.1
[INFO] [stderr]     Checking hmac v0.8.1
[INFO] [stderr]     Checking secp256k1 v0.17.2
[INFO] [stderr]     Checking hex-literal v0.2.1
[INFO] [stderr]     Checking hmac-drbg v0.3.0
[INFO] [stderr]    Compiling libsecp256k1-gen-ecmult v0.2.0
[INFO] [stderr]    Compiling libsecp256k1-gen-genmult v0.2.0
[INFO] [stderr]    Compiling libsecp256k1 v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `libsecp256k1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name libsecp256k1 --edition=2018 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="static-context"' --cfg 'feature="std"' --cfg 'feature="typenum"' -C metadata=62b54e7b93d4fe81 -C extra-filename=-62b54e7b93d4fe81 --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 base64=/opt/rustwide/target/debug/deps/libbase64-9ded27c9b961c8ef.rmeta --extern digest=/opt/rustwide/target/debug/deps/libdigest-54f6c60dd1903370.rmeta --extern hmac_drbg=/opt/rustwide/target/debug/deps/libhmac_drbg-0461fe646d05fc92.rmeta --extern libsecp256k1_core=/opt/rustwide/target/debug/deps/liblibsecp256k1_core-57b1607c1247c561.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-c792b3c5be5ffe70.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-db2b9be211fb448b.rmeta --extern sha2=/opt/rustwide/target/debug/deps/libsha2-ed6a45457cfdfc65.rmeta --extern typenum=/opt/rustwide/target/debug/deps/libtypenum-bde73e350aba24d5.rmeta --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" "fb2f97cfa53b7ca75b13b06bd2594cc512615cd84def9cffe2f08a1395d26b69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb2f97cfa53b7ca75b13b06bd2594cc512615cd84def9cffe2f08a1395d26b69", kill_on_drop: false }`
[INFO] [stdout] fb2f97cfa53b7ca75b13b06bd2594cc512615cd84def9cffe2f08a1395d26b69