[INFO] fetching crate secp256kfun 0.3.1...
[INFO] checking secp256kfun-0.3.1 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate secp256kfun 0.3.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate secp256kfun 0.3.1 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate secp256kfun 0.3.1
[INFO] finished tweaking crates.io crate secp256kfun 0.3.1
[INFO] tweaked toml for crates.io crate secp256kfun 0.3.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate secp256kfun 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded grin_secp256k1zkp v0.7.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] 8d4c9174fe33882477492e36c89b70dc4a0cd49d24a79e90beaebadefcc6c471
[INFO] running `Command { std: "docker" "start" "-a" "8d4c9174fe33882477492e36c89b70dc4a0cd49d24a79e90beaebadefcc6c471", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d4c9174fe33882477492e36c89b70dc4a0cd49d24a79e90beaebadefcc6c471", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d4c9174fe33882477492e36c89b70dc4a0cd49d24a79e90beaebadefcc6c471", kill_on_drop: false }`
[INFO] [stdout] 8d4c9174fe33882477492e36c89b70dc4a0cd49d24a79e90beaebadefcc6c471
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70f9db717b369ab63a48e749b3f93a006261151b92abb1d11476383658b46a4e
[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" "70f9db717b369ab63a48e749b3f93a006261151b92abb1d11476383658b46a4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling subtle v2.3.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling rayon v1.4.0
[INFO] [stderr]    Compiling grin_secp256k1zkp v0.7.9
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling hex-literal-impl v0.2.2
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking secp256kfun_parity_backend v0.1.2
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking secp256k1 v0.17.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking hex-literal v0.2.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.1
[INFO] [stderr]     Checking rayon-core v1.8.0
[INFO] [stderr]    Compiling zeroize_derive v0.9.3
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]    Compiling secp256kfun v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking zeroize v0.9.3
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr] error: could not compile `secp256kfun`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name secp256kfun --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="alloc"' --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=c64648d38a9561cc -C extra-filename=-c64648d38a9561cc --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern digest=/opt/rustwide/target/debug/deps/libdigest-a8a7234f9d625b65.rmeta --extern rand_core=/opt/rustwide/target/debug/deps/librand_core-dfcd93dbfcb58357.rmeta --extern parity_backend=/opt/rustwide/target/debug/deps/libsecp256kfun_parity_backend-14bc5cbb8f148a75.rmeta --extern subtle=/opt/rustwide/target/debug/deps/libsubtle-6158edd17f91aefe.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" "70f9db717b369ab63a48e749b3f93a006261151b92abb1d11476383658b46a4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70f9db717b369ab63a48e749b3f93a006261151b92abb1d11476383658b46a4e", kill_on_drop: false }`
[INFO] [stdout] 70f9db717b369ab63a48e749b3f93a006261151b92abb1d11476383658b46a4e