[INFO] fetching crate libsecp256k1 0.7.0...
[INFO] checking libsecp256k1-0.7.0 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate libsecp256k1 0.7.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate libsecp256k1 0.7.0 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clear_on_drop v0.2.4
[INFO] [stderr]   Downloaded libsecp256k1-gen-ecmult v0.3.0
[INFO] [stderr]   Downloaded libsecp256k1-gen-genmult v0.3.0
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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] a12e94397e283ba07564d9a8ef828836c37bbb75f965b58e5b8833bc14445bdf
[INFO] running `Command { std: "docker" "start" "-a" "a12e94397e283ba07564d9a8ef828836c37bbb75f965b58e5b8833bc14445bdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a12e94397e283ba07564d9a8ef828836c37bbb75f965b58e5b8833bc14445bdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a12e94397e283ba07564d9a8ef828836c37bbb75f965b58e5b8833bc14445bdf", kill_on_drop: false }`
[INFO] [stdout] a12e94397e283ba07564d9a8ef828836c37bbb75f965b58e5b8833bc14445bdf
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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] 8cfc58c431f10160d1983801d61424f5eb85b43b0f9dd1a61437f1ce7edf47bc
[INFO] running `Command { std: "docker" "start" "-a" "8cfc58c431f10160d1983801d61424f5eb85b43b0f9dd1a61437f1ce7edf47bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling crunchy 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]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking cpufeatures v0.2.1
[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 clear_on_drop v0.2.4
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking secp256k1 v0.20.3
[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]    Compiling libsecp256k1-core v0.3.0
[INFO] [stderr]     Checking hmac v0.8.1
[INFO] [stderr]     Checking sha2 v0.9.8
[INFO] [stderr]     Checking hmac-drbg v0.3.0
[INFO] [stderr]    Compiling libsecp256k1-gen-genmult v0.3.0
[INFO] [stderr]    Compiling libsecp256k1-gen-ecmult v0.3.0
[INFO] [stderr]    Compiling libsecp256k1 v0.7.0 (/opt/rustwide/workdir)
[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 --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --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=a6896b5f48639de2 -C extra-filename=-a6896b5f48639de2 --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 clear_on_drop=/opt/rustwide/target/debug/deps/libclear_on_drop-6c367a5c0db0799a.rmeta --extern digest=/opt/rustwide/target/debug/deps/libdigest-65ecf8707e98de17.rmeta --extern hex_literal=/opt/rustwide/target/debug/deps/libhex_literal-bddd9dbcdcb57d38.so --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 secp256k1_test=/opt/rustwide/target/debug/deps/libsecp256k1-a97f61014c4c979b.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-2ebf98103ca64517.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-b62fd309d1567423.rmeta --extern sha2=/opt/rustwide/target/debug/deps/libsha2-e6f326498a230ae4.rmeta --extern typenum=/opt/rustwide/target/debug/deps/libtypenum-d0f75049eac3f16a.rmeta --cap-lints=forbid -L native=/opt/rustwide/target/debug/build/clear_on_drop-0cf89908bc804436/out -L native=/opt/rustwide/target/debug/build/secp256k1-sys-16f7acee34cb61c0/out` (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" "8cfc58c431f10160d1983801d61424f5eb85b43b0f9dd1a61437f1ce7edf47bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cfc58c431f10160d1983801d61424f5eb85b43b0f9dd1a61437f1ce7edf47bc", kill_on_drop: false }`
[INFO] [stdout] 8cfc58c431f10160d1983801d61424f5eb85b43b0f9dd1a61437f1ce7edf47bc