[INFO] fetching crate p256-cortex-m4-sys 0.1.0-alpha.2...
[INFO] checking p256-cortex-m4-sys-0.1.0-alpha.2 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate p256-cortex-m4-sys 0.1.0-alpha.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate p256-cortex-m4-sys 0.1.0-alpha.2 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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-sys 0.1.0-alpha.2
[INFO] finished tweaking crates.io crate p256-cortex-m4-sys 0.1.0-alpha.2
[INFO] tweaked toml for crates.io crate p256-cortex-m4-sys 0.1.0-alpha.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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] 8e66e51f580c5e87dbefdc4662ced2fd82a6bb2a7a836149353a2c3743fd7520
[INFO] running `Command { std: "docker" "start" "-a" "8e66e51f580c5e87dbefdc4662ced2fd82a6bb2a7a836149353a2c3743fd7520", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e66e51f580c5e87dbefdc4662ced2fd82a6bb2a7a836149353a2c3743fd7520", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e66e51f580c5e87dbefdc4662ced2fd82a6bb2a7a836149353a2c3743fd7520", kill_on_drop: false }`
[INFO] [stdout] 8e66e51f580c5e87dbefdc4662ced2fd82a6bb2a7a836149353a2c3743fd7520
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94a7e73319e37ebc88dfb65678a8e5630020101434df41efdf2675e0c7c96c64
[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" "94a7e73319e37ebc88dfb65678a8e5630020101434df41efdf2675e0c7c96c64", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling bindgen v0.57.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]     Checking cty v0.2.1
[INFO] [stderr]    Compiling clang-sys v1.2.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling p256-cortex-m4-sys v0.1.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.26s
[INFO] running `Command { std: "docker" "inspect" "94a7e73319e37ebc88dfb65678a8e5630020101434df41efdf2675e0c7c96c64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94a7e73319e37ebc88dfb65678a8e5630020101434df41efdf2675e0c7c96c64", kill_on_drop: false }`
[INFO] [stdout] 94a7e73319e37ebc88dfb65678a8e5630020101434df41efdf2675e0c7c96c64