[INFO] fetching crate ark-ed-on-cp6-782 0.3.0...
[INFO] checking ark-ed-on-cp6-782-0.3.0 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate ark-ed-on-cp6-782 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate ark-ed-on-cp6-782 0.3.0 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ark-ed-on-cp6-782 0.3.0
[INFO] finished tweaking crates.io crate ark-ed-on-cp6-782 0.3.0
[INFO] tweaked toml for crates.io crate ark-ed-on-cp6-782 0.3.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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] 3f7ca4c33634b54882f5e7ba13d8b4f2bd6deae376e3c78fd4409c02d59494ee
[INFO] running `Command { std: "docker" "start" "-a" "3f7ca4c33634b54882f5e7ba13d8b4f2bd6deae376e3c78fd4409c02d59494ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f7ca4c33634b54882f5e7ba13d8b4f2bd6deae376e3c78fd4409c02d59494ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f7ca4c33634b54882f5e7ba13d8b4f2bd6deae376e3c78fd4409c02d59494ee", kill_on_drop: false }`
[INFO] [stdout] 3f7ca4c33634b54882f5e7ba13d8b4f2bd6deae376e3c78fd4409c02d59494ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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] bf53b21ebdb176705c1f32bfba3804cde5a693f548e5c1f895ff76b266e7944d
[INFO] running `Command { std: "docker" "start" "-a" "bf53b21ebdb176705c1f32bfba3804cde5a693f548e5c1f895ff76b266e7944d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking tracing-core v0.1.19
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling ark-ff v0.3.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking ark-std v0.3.0
[INFO] [stderr]     Checking ark-serialize v0.3.0
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling zeroize_derive v1.1.0
[INFO] [stderr]    Compiling ark-ff-macros v0.3.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling ark-ff-asm v0.3.0
[INFO] [stderr]     Checking zeroize v1.4.1
[INFO] [stderr]     Checking ark-ec v0.3.0
[INFO] [stderr]     Checking ark-relations v0.3.0
[INFO] [stderr]     Checking ark-bls12-377 v0.3.0
[INFO] [stderr]     Checking ark-algebra-test-templates v0.3.0
[INFO] [stderr]     Checking ark-ed-on-cp6-782 v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.23s
[INFO] running `Command { std: "docker" "inspect" "bf53b21ebdb176705c1f32bfba3804cde5a693f548e5c1f895ff76b266e7944d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf53b21ebdb176705c1f32bfba3804cde5a693f548e5c1f895ff76b266e7944d", kill_on_drop: false }`
[INFO] [stdout] bf53b21ebdb176705c1f32bfba3804cde5a693f548e5c1f895ff76b266e7944d