[INFO] fetching crate p256-cortex-m4 0.1.0-alpha.5...
[INFO] checking p256-cortex-m4-0.1.0-alpha.5 against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] extracting crate p256-cortex-m4 0.1.0-alpha.5 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate p256-cortex-m4 0.1.0-alpha.5 on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-6/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate p256-cortex-m4 0.1.0-alpha.5
[INFO] finished tweaking crates.io crate p256-cortex-m4 0.1.0-alpha.5
[INFO] tweaked toml for crates.io crate p256-cortex-m4 0.1.0-alpha.5 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de9612ab2972f49bbccbbb9e0c83d547766ec15055edd37b483c45c6d101c723
[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" "de9612ab2972f49bbccbbb9e0c83d547766ec15055edd37b483c45c6d101c723", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de9612ab2972f49bbccbbb9e0c83d547766ec15055edd37b483c45c6d101c723", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de9612ab2972f49bbccbbb9e0c83d547766ec15055edd37b483c45c6d101c723", kill_on_drop: false }`
[INFO] [stdout] de9612ab2972f49bbccbbb9e0c83d547766ec15055edd37b483c45c6d101c723
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 481788415a6e7e9aed4880c559d636767ec5dd4b79884e0b726eb2815b3e2f60
[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" "481788415a6e7e9aed4880c559d636767ec5dd4b79884e0b726eb2815b3e2f60", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling bindgen v0.57.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling p256-cortex-m4 v0.1.0-alpha.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking cty v0.2.1
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling clang-sys v1.2.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]     Checking der v0.3.5
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.11.0
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]     Checking signature v1.3.0
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling zeroize_derive v1.1.0
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking elliptic-curve v0.9.12
[INFO] [stderr]     Checking ecdsa v0.11.1
[INFO] [stderr]     Checking p256 v0.8.1
[INFO] [stderr]    Compiling p256-cortex-m4-sys v0.1.0-alpha.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.69s
[INFO] running `Command { std: "docker" "inspect" "481788415a6e7e9aed4880c559d636767ec5dd4b79884e0b726eb2815b3e2f60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "481788415a6e7e9aed4880c559d636767ec5dd4b79884e0b726eb2815b3e2f60", kill_on_drop: false }`
[INFO] [stdout] 481788415a6e7e9aed4880c559d636767ec5dd4b79884e0b726eb2815b3e2f60