[INFO] cloning repository https://github.com/RustCrypto/ring-wrappers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RustCrypto/ring-wrappers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRustCrypto%2Fring-wrappers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRustCrypto%2Fring-wrappers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 89f4878fbee15a9c4d4e8fdcb5ab6d572f44abbf
[INFO] checking RustCrypto/ring-wrappers against try#81275a1445c7502a974118e0c69b795ab60be991 for pr-80243
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRustCrypto%2Fring-wrappers" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RustCrypto/ring-wrappers on toolchain 81275a1445c7502a974118e0c69b795ab60be991
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RustCrypto/ring-wrappers
[INFO] finished tweaking git repo https://github.com/RustCrypto/ring-wrappers
[INFO] tweaked toml for git repo https://github.com/RustCrypto/ring-wrappers written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/RustCrypto/ring-wrappers already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded signature v1.2.2
[INFO] [stderr]   Downloaded elliptic-curve v0.6.6
[INFO] [stderr]   Downloaded ecdsa v0.8.5
[INFO] [stderr]   Downloaded p384 v0.4.1
[INFO] [stderr]   Downloaded hex-literal-impl v0.2.2
[INFO] [stderr]   Downloaded p256 v0.5.2
[INFO] [stderr]   Downloaded blobby v0.1.2
[INFO] [stderr]   Downloaded hex-literal v0.2.1
[INFO] [stderr]   Downloaded ed25519 v1.0.3
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 010d1611a4b377e1f7fd309fac276f7a6ebabcf9e6de8cee2c6d360a47395f2b
[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" "010d1611a4b377e1f7fd309fac276f7a6ebabcf9e6de8cee2c6d360a47395f2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "010d1611a4b377e1f7fd309fac276f7a6ebabcf9e6de8cee2c6d360a47395f2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "010d1611a4b377e1f7fd309fac276f7a6ebabcf9e6de8cee2c6d360a47395f2b", kill_on_drop: false }`
[INFO] [stdout] 010d1611a4b377e1f7fd309fac276f7a6ebabcf9e6de8cee2c6d360a47395f2b
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] feb6716fbcc3f8ee55f3f22d5cd939fd6ad9b9718f6039d35c6fb19cdaf335a4
[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" "feb6716fbcc3f8ee55f3f22d5cd939fd6ad9b9718f6039d35c6fb19cdaf335a4", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking subtle v2.3.0
[INFO] [stderr]    Compiling cc v1.0.65
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]     Checking zeroize v1.1.1
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking blobby v0.1.2
[INFO] [stderr]     Checking signature v1.2.2
[INFO] [stderr]     Checking ed25519 v1.0.3
[INFO] [stderr]     Checking elliptic-curve v0.6.6
[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking ecdsa v0.8.5
[INFO] [stderr]     Checking p384 v0.4.1
[INFO] [stderr]     Checking p256 v0.5.2
[INFO] [stderr]    Compiling ring v0.16.18
[INFO] [stderr]    Compiling hex-literal-impl v0.2.2
[INFO] [stderr]     Checking hex-literal v0.2.1
[INFO] [stderr]     Checking ring-compat v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.46s
[INFO] running `Command { std: "docker" "inspect" "feb6716fbcc3f8ee55f3f22d5cd939fd6ad9b9718f6039d35c6fb19cdaf335a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "feb6716fbcc3f8ee55f3f22d5cd939fd6ad9b9718f6039d35c6fb19cdaf335a4", kill_on_drop: false }`
[INFO] [stdout] feb6716fbcc3f8ee55f3f22d5cd939fd6ad9b9718f6039d35c6fb19cdaf335a4