[INFO] fetching crate libsecp256k1 0.7.0...
[INFO] checking libsecp256k1-0.7.0 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate libsecp256k1 0.7.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate libsecp256k1 0.7.0 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libsecp256k1 0.7.0
[INFO] finished tweaking crates.io crate libsecp256k1 0.7.0
[INFO] tweaked toml for crates.io crate libsecp256k1 0.7.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d19cbae141dc25f3e7f8c535045a7e0004a458d7c56bc268a951107f5dbd2ae
[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" "0d19cbae141dc25f3e7f8c535045a7e0004a458d7c56bc268a951107f5dbd2ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d19cbae141dc25f3e7f8c535045a7e0004a458d7c56bc268a951107f5dbd2ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d19cbae141dc25f3e7f8c535045a7e0004a458d7c56bc268a951107f5dbd2ae", kill_on_drop: false }`
[INFO] [stdout] 0d19cbae141dc25f3e7f8c535045a7e0004a458d7c56bc268a951107f5dbd2ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b357bc2e7f80b939974b6b8cb63d7d27f8e7745a626beb2caf1f6c14d7ab81cc
[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" "b357bc2e7f80b939974b6b8cb63d7d27f8e7745a626beb2caf1f6c14d7ab81cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling hex-literal v0.3.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling crunchy 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 libsecp256k1-core v0.3.0
[INFO] [stderr]     Checking sha2 v0.9.8
[INFO] [stderr]     Checking hmac v0.8.1
[INFO] [stderr]     Checking hmac-drbg v0.3.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling secp256k1-sys v0.4.1
[INFO] [stderr]    Compiling clear_on_drop v0.2.4
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling libsecp256k1-gen-ecmult v0.3.0
[INFO] [stderr]    Compiling libsecp256k1-gen-genmult v0.3.0
[INFO] [stderr]     Checking secp256k1 v0.20.3
[INFO] [stderr]    Compiling libsecp256k1 v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking serde_json v1.0.68
[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=8d52341dd0dbba13 -C extra-filename=-8d52341dd0dbba13 --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-a74e8b54316f6f1d.rmeta --extern digest=/opt/rustwide/target/debug/deps/libdigest-65ecf8707e98de17.rmeta --extern hmac_drbg=/opt/rustwide/target/debug/deps/libhmac_drbg-7d56acfca341b7c0.rmeta --extern libsecp256k1_core=/opt/rustwide/target/debug/deps/liblibsecp256k1_core-407e7ddfb967aefb.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-106f83835ca56762.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-2ebf98103ca64517.rmeta --extern sha2=/opt/rustwide/target/debug/deps/libsha2-e6f326498a230ae4.rmeta --extern typenum=/opt/rustwide/target/debug/deps/libtypenum-d0f75049eac3f16a.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" "b357bc2e7f80b939974b6b8cb63d7d27f8e7745a626beb2caf1f6c14d7ab81cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b357bc2e7f80b939974b6b8cb63d7d27f8e7745a626beb2caf1f6c14d7ab81cc", kill_on_drop: false }`
[INFO] [stdout] b357bc2e7f80b939974b6b8cb63d7d27f8e7745a626beb2caf1f6c14d7ab81cc