[INFO] fetching crate ark-poly-commit 0.2.0...
[INFO] testing ark-poly-commit-0.2.0 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate ark-poly-commit 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ark-poly-commit 0.2.0 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ark-poly-commit 0.2.0
[INFO] finished tweaking crates.io crate ark-poly-commit 0.2.0
[INFO] tweaked toml for crates.io crate ark-poly-commit 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ark-bls12-381 v0.2.0
[INFO] [stderr]   Downloaded ark-ed-on-bls12-381 v0.2.0
[INFO] [stderr]   Downloaded ark-nonnative-field v0.2.0
[INFO] [stderr]   Downloaded ark-bls12-377 v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2507b3f57c289899fda139380a6069a4f7e319d7dc9d266eb9bd10a470dc99d7
[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" "2507b3f57c289899fda139380a6069a4f7e319d7dc9d266eb9bd10a470dc99d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2507b3f57c289899fda139380a6069a4f7e319d7dc9d266eb9bd10a470dc99d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2507b3f57c289899fda139380a6069a4f7e319d7dc9d266eb9bd10a470dc99d7", kill_on_drop: false }`
[INFO] [stdout] 2507b3f57c289899fda139380a6069a4f7e319d7dc9d266eb9bd10a470dc99d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e059914ed2681e944cc4187db797866780dd71278b938987d5258da0c6247a74
[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" "e059914ed2681e944cc4187db797866780dd71278b938987d5258da0c6247a74", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling tracing-core v0.1.18
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_xorshift v0.2.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling tracing-subscriber v0.2.18
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling ark-ff v0.2.0
[INFO] [stderr]    Compiling ark-std v0.2.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling zeroize_derive v1.1.0
[INFO] [stderr]    Compiling ark-serialize-derive v0.2.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling ark-ff-macros v0.2.0
[INFO] [stderr]    Compiling ark-ff-asm v0.2.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling ark-serialize v0.2.0
[INFO] [stderr]    Compiling zeroize v1.3.0
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling ark-relations v0.2.0
[INFO] [stderr]    Compiling ark-ec v0.2.0
[INFO] [stderr]    Compiling ark-poly v0.2.0
[INFO] [stderr]    Compiling ark-r1cs-std v0.2.0
[INFO] [stderr]    Compiling ark-nonnative-field v0.2.0
[INFO] [stderr]    Compiling ark-poly-commit v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 37s
[INFO] running `Command { std: "docker" "inspect" "e059914ed2681e944cc4187db797866780dd71278b938987d5258da0c6247a74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e059914ed2681e944cc4187db797866780dd71278b938987d5258da0c6247a74", kill_on_drop: false }`
[INFO] [stdout] e059914ed2681e944cc4187db797866780dd71278b938987d5258da0c6247a74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cae86e3fea84b004395459d4aa3d8036086dbfabb7a187b369be3b9b4e88c0fb
[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" "cae86e3fea84b004395459d4aa3d8036086dbfabb7a187b369be3b9b4e88c0fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling subtle v2.4.0
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling ark-bls12-381 v0.2.0
[INFO] [stderr]    Compiling ark-bls12-377 v0.2.0
[INFO] [stderr]    Compiling ark-ed-on-bls12-381 v0.2.0
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling blake2 v0.9.1
[INFO] [stderr]    Compiling ark-poly-commit v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `ark-poly-commit`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name ark_poly_commit --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C opt-level=3 -C embed-bitcode=no -C debuginfo=2 -C debug-assertions=on --test --cfg 'feature="ark-nonnative-field"' --cfg 'feature="ark-relations"' --cfg 'feature="default"' --cfg 'feature="parallel"' --cfg 'feature="rayon"' --cfg 'feature="std"' -C metadata=d1a5d60045b3d5a0 -C extra-filename=-d1a5d60045b3d5a0 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ark_bls12_377=/opt/rustwide/target/debug/deps/libark_bls12_377-f12370b58706bc93.rlib --extern ark_bls12_381=/opt/rustwide/target/debug/deps/libark_bls12_381-5a494c5b0a0d6515.rlib --extern ark_ec=/opt/rustwide/target/debug/deps/libark_ec-971b44cf0ea7fbc7.rlib --extern ark_ed_on_bls12_381=/opt/rustwide/target/debug/deps/libark_ed_on_bls12_381-369f6cacaa820791.rlib --extern ark_ff=/opt/rustwide/target/debug/deps/libark_ff-004f9beddacb034e.rlib --extern ark_nonnative_field=/opt/rustwide/target/debug/deps/libark_nonnative_field-91bc5ec965d611eb.rlib --extern ark_poly=/opt/rustwide/target/debug/deps/libark_poly-4e21e44a9500f504.rlib --extern ark_relations=/opt/rustwide/target/debug/deps/libark_relations-57fe576524b66590.rlib --extern ark_serialize=/opt/rustwide/target/debug/deps/libark_serialize-5fd62727d66183ad.rlib --extern ark_std=/opt/rustwide/target/debug/deps/libark_std-8be8d9d1e801ad74.rlib --extern blake2=/opt/rustwide/target/debug/deps/libblake2-60d622da97d01bee.rlib --extern derivative=/opt/rustwide/target/debug/deps/libderivative-e1a00361516adc5a.so --extern digest=/opt/rustwide/target/debug/deps/libdigest-76f851eb73ab845f.rlib --extern rayon=/opt/rustwide/target/debug/deps/librayon-64a7991a2d93cc34.rlib --extern tracing=/opt/rustwide/target/debug/deps/libtracing-2ba35b540d0bb680.rlib --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "cae86e3fea84b004395459d4aa3d8036086dbfabb7a187b369be3b9b4e88c0fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cae86e3fea84b004395459d4aa3d8036086dbfabb7a187b369be3b9b4e88c0fb", kill_on_drop: false }`
[INFO] [stdout] cae86e3fea84b004395459d4aa3d8036086dbfabb7a187b369be3b9b4e88c0fb