[INFO] fetching crate libsecp256k1 0.6.0...
[INFO] checking libsecp256k1-0.6.0 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate libsecp256k1 0.6.0 into /workspace/builds/worker-37/source
[INFO] validating manifest of crates.io crate libsecp256k1 0.6.0 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libsecp256k1 0.6.0
[INFO] finished tweaking crates.io crate libsecp256k1 0.6.0
[INFO] tweaked toml for crates.io crate libsecp256k1 0.6.0 written to /workspace/builds/worker-37/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ae83aac07a4f49c08b9b33cd97ece9e032da629c5737b3fb828dcc510363d1e
[INFO] running `Command { std: "docker" "start" "-a" "0ae83aac07a4f49c08b9b33cd97ece9e032da629c5737b3fb828dcc510363d1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ae83aac07a4f49c08b9b33cd97ece9e032da629c5737b3fb828dcc510363d1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ae83aac07a4f49c08b9b33cd97ece9e032da629c5737b3fb828dcc510363d1e", kill_on_drop: false }`
[INFO] [stdout] 0ae83aac07a4f49c08b9b33cd97ece9e032da629c5737b3fb828dcc510363d1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f75390cc16893de1c5cc2a1abbf05b760934d9ac9562b7dadae8c901e8165d56
[INFO] running `Command { std: "docker" "start" "-a" "f75390cc16893de1c5cc2a1abbf05b760934d9ac9562b7dadae8c901e8165d56", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking cpufeatures v0.1.5
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling hex-literal-impl v0.2.2
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking hex-literal v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling secp256k1-sys v0.1.2
[INFO] [stderr]    Compiling clear_on_drop v0.2.4
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling libsecp256k1-core v0.2.2
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking hmac v0.8.1
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]     Checking hmac-drbg v0.3.0
[INFO] [stderr]     Checking secp256k1 v0.17.2
[INFO] [stderr]    Compiling libsecp256k1-gen-genmult v0.2.1
[INFO] [stderr]    Compiling libsecp256k1-gen-ecmult v0.2.1
[INFO] [stderr]    Compiling libsecp256k1 v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_json v1.0.66
[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=72bef22bb5044ae6 -C extra-filename=-72bef22bb5044ae6 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern arrayref=/opt/rustwide/target/debug/deps/libarrayref-e3c1ab0608993ffe.rmeta --extern base64=/opt/rustwide/target/debug/deps/libbase64-0fa0330413000f5a.rmeta --extern digest=/opt/rustwide/target/debug/deps/libdigest-96c3e0a3dcb81ee3.rmeta --extern hmac_drbg=/opt/rustwide/target/debug/deps/libhmac_drbg-4e91d946e72443fc.rmeta --extern libsecp256k1_core=/opt/rustwide/target/debug/deps/liblibsecp256k1_core-79fc60034e8be32a.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-afd421ed62507820.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-f32b5043ecf7276e.rmeta --extern sha2=/opt/rustwide/target/debug/deps/libsha2-4ab662c98d6956df.rmeta --extern typenum=/opt/rustwide/target/debug/deps/libtypenum-6eee0e2022abb7f8.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" "f75390cc16893de1c5cc2a1abbf05b760934d9ac9562b7dadae8c901e8165d56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f75390cc16893de1c5cc2a1abbf05b760934d9ac9562b7dadae8c901e8165d56", kill_on_drop: false }`
[INFO] [stdout] f75390cc16893de1c5cc2a1abbf05b760934d9ac9562b7dadae8c901e8165d56