[INFO] fetching crate p256 0.8.0-pre.1...
[INFO] checking p256-0.8.0-pre.1 against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] extracting crate p256 0.8.0-pre.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate p256 0.8.0-pre.1 on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate p256 0.8.0-pre.1
[INFO] finished tweaking crates.io crate p256 0.8.0-pre.1
[INFO] tweaked toml for crates.io crate p256 0.8.0-pre.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71b0b3b5a394e9a29b7f2f58476edb2ba53127a708a0e9a3bc433864074fc57b
[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" "71b0b3b5a394e9a29b7f2f58476edb2ba53127a708a0e9a3bc433864074fc57b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71b0b3b5a394e9a29b7f2f58476edb2ba53127a708a0e9a3bc433864074fc57b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71b0b3b5a394e9a29b7f2f58476edb2ba53127a708a0e9a3bc433864074fc57b", kill_on_drop: false }`
[INFO] [stdout] 71b0b3b5a394e9a29b7f2f58476edb2ba53127a708a0e9a3bc433864074fc57b
[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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93e4ba47d47c857f32992926fafd6e67edc56c95ae534656db163b9324c75db7
[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" "93e4ba47d47c857f32992926fafd6e67edc56c95ae534656db163b9324c75db7", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking const-oid v0.5.1
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking base64ct v1.0.0
[INFO] [stderr]    Compiling hex-literal v0.3.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking quick-error v2.0.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking blobby v0.3.0
[INFO] [stderr]     Checking der v0.3.3
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking bitvec v0.20.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking spki v0.3.0
[INFO] [stderr]     Checking pkcs8 v0.6.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking der v0.2.10
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking signature v1.3.0
[INFO] [stderr]     Checking proptest v1.0.0
[INFO] [stderr]     Checking ff v0.9.0
[INFO] [stderr]     Checking group v0.9.0
[INFO] [stderr]     Checking elliptic-curve v0.9.6
[INFO] [stderr]     Checking ecdsa v0.11.0-pre.2
[INFO] [stderr]     Checking p256 v0.8.0-pre.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.31s
[INFO] running `Command { std: "docker" "inspect" "93e4ba47d47c857f32992926fafd6e67edc56c95ae534656db163b9324c75db7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93e4ba47d47c857f32992926fafd6e67edc56c95ae534656db163b9324c75db7", kill_on_drop: false }`
[INFO] [stdout] 93e4ba47d47c857f32992926fafd6e67edc56c95ae534656db163b9324c75db7