[INFO] fetching crate p256 0.5.0...
[INFO] checking p256-0.5.0 against try#894d32a5432c6a6461bb2aac7c3d5f2e87dce83f for pr-77015
[INFO] extracting crate p256 0.5.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate p256 0.5.0 on toolchain 894d32a5432c6a6461bb2aac7c3d5f2e87dce83f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate p256 0.5.0
[INFO] finished tweaking crates.io crate p256 0.5.0
[INFO] tweaked toml for crates.io crate p256 0.5.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hex-literal v0.3.1
[INFO] [stderr]   Downloaded proptest v0.10.1
[INFO] [stderr]   Downloaded group v0.8.0
[INFO] [stderr]   Downloaded rusty-fork v0.3.0
[INFO] [stderr]   Downloaded ff v0.8.0
[INFO] [stderr]   Downloaded bitvec v0.18.4
[INFO] [stderr]   Downloaded funty v1.0.1
[INFO] [stderr]   Downloaded radium v0.4.1
[INFO] [stderr]   Downloaded wyz v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "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] 56025bb06f6f5a51c61fbd6bfed66fec40935140131926882a16b0dee018579d
[INFO] running `Command { std: "docker" "start" "-a" "56025bb06f6f5a51c61fbd6bfed66fec40935140131926882a16b0dee018579d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56025bb06f6f5a51c61fbd6bfed66fec40935140131926882a16b0dee018579d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56025bb06f6f5a51c61fbd6bfed66fec40935140131926882a16b0dee018579d", kill_on_drop: false }`
[INFO] [stdout] 56025bb06f6f5a51c61fbd6bfed66fec40935140131926882a16b0dee018579d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "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] a8a5f562fe195061a23d65786662d4d0de7bb9432def7f5891a8b7b47737b328
[INFO] running `Command { std: "docker" "start" "-a" "a8a5f562fe195061a23d65786662d4d0de7bb9432def7f5891a8b7b47737b328", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.78
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling radium v0.4.1
[INFO] [stderr]     Checking funty v1.0.1
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking subtle v2.3.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking zeroize v1.1.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling hex-literal v0.3.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking bitvec v0.18.4
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking signature v1.2.2
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking proptest v0.10.1
[INFO] [stderr]     Checking ff v0.8.0
[INFO] [stderr]     Checking group v0.8.0
[INFO] [stderr]     Checking elliptic-curve v0.6.2
[INFO] [stderr]     Checking ecdsa v0.8.3
[INFO] [stderr]     Checking p256 v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.26s
[INFO] running `Command { std: "docker" "inspect" "a8a5f562fe195061a23d65786662d4d0de7bb9432def7f5891a8b7b47737b328", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8a5f562fe195061a23d65786662d4d0de7bb9432def7f5891a8b7b47737b328", kill_on_drop: false }`
[INFO] [stdout] a8a5f562fe195061a23d65786662d4d0de7bb9432def7f5891a8b7b47737b328