[INFO] fetching crate p256 0.8.0-pre...
[INFO] checking p256-0.8.0-pre against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] extracting crate p256 0.8.0-pre into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate p256 0.8.0-pre on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate p256 0.8.0-pre
[INFO] finished tweaking crates.io crate p256 0.8.0-pre
[INFO] tweaked toml for crates.io crate p256 0.8.0-pre written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7965fb3dfc7a61b9e833a12b3a4c4b73b3ce097459c52012fa4ba5a61c059d30
[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" "7965fb3dfc7a61b9e833a12b3a4c4b73b3ce097459c52012fa4ba5a61c059d30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7965fb3dfc7a61b9e833a12b3a4c4b73b3ce097459c52012fa4ba5a61c059d30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7965fb3dfc7a61b9e833a12b3a4c4b73b3ce097459c52012fa4ba5a61c059d30", kill_on_drop: false }`
[INFO] [stdout] 7965fb3dfc7a61b9e833a12b3a4c4b73b3ce097459c52012fa4ba5a61c059d30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "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] 608f219c4245684b2d2551a2594f8e9e8c3c5558d7cb8a248c1e8fa7e8af2ce4
[INFO] running `Command { std: "docker" "start" "-a" "608f219c4245684b2d2551a2594f8e9e8c3c5558d7cb8a248c1e8fa7e8af2ce4", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]     Checking zeroize v1.2.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking bitvec v0.20.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking der v0.2.10
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking spki v0.2.1
[INFO] [stderr]     Checking pkcs8 v0.5.5
[INFO] [stderr]     Checking signature v1.3.0
[INFO] [stderr]     Checking proptest v0.10.1
[INFO] [stderr]     Checking ff v0.9.0
[INFO] [stderr]     Checking group v0.9.0
[INFO] [stderr]     Checking elliptic-curve v0.9.5
[INFO] [stderr]     Checking ecdsa v0.11.0-pre.1
[INFO] [stderr]     Checking p256 v0.8.0-pre (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.56s
[INFO] running `Command { std: "docker" "inspect" "608f219c4245684b2d2551a2594f8e9e8c3c5558d7cb8a248c1e8fa7e8af2ce4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "608f219c4245684b2d2551a2594f8e9e8c3c5558d7cb8a248c1e8fa7e8af2ce4", kill_on_drop: false }`
[INFO] [stdout] 608f219c4245684b2d2551a2594f8e9e8c3c5558d7cb8a248c1e8fa7e8af2ce4