[INFO] fetching crate p256-cortex-m4 0.1.0-alpha.5...
[INFO] checking p256-cortex-m4-0.1.0-alpha.5 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate p256-cortex-m4 0.1.0-alpha.5 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate p256-cortex-m4 0.1.0-alpha.5 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-2/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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "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] 694775037b6c72513da581df2f7e2807260828166fc38f4a5759a20989027d65
[INFO] running `Command { std: "docker" "start" "-a" "694775037b6c72513da581df2f7e2807260828166fc38f4a5759a20989027d65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "694775037b6c72513da581df2f7e2807260828166fc38f4a5759a20989027d65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "694775037b6c72513da581df2f7e2807260828166fc38f4a5759a20989027d65", kill_on_drop: false }`
[INFO] [stdout] 694775037b6c72513da581df2f7e2807260828166fc38f4a5759a20989027d65
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc76c1d4367c18fbb929a5e015ce73b7c6cca0d9947217417d0ea4f522ad1de2
[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" "dc76c1d4367c18fbb929a5e015ce73b7c6cca0d9947217417d0ea4f522ad1de2", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling bindgen v0.57.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking cpufeatures v0.1.5
[INFO] [stderr]    Compiling p256-cortex-m4 v0.1.0-alpha.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking cty v0.2.1
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking bitvec v0.20.4
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling clang-sys v1.2.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking der v0.3.5
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.11.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking signature v1.3.1
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]     Checking ff v0.9.0
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]     Checking group v0.9.0
[INFO] [stderr]    Compiling regex v1.5.4
[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 24.42s
[INFO] running `Command { std: "docker" "inspect" "dc76c1d4367c18fbb929a5e015ce73b7c6cca0d9947217417d0ea4f522ad1de2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc76c1d4367c18fbb929a5e015ce73b7c6cca0d9947217417d0ea4f522ad1de2", kill_on_drop: false }`
[INFO] [stdout] dc76c1d4367c18fbb929a5e015ce73b7c6cca0d9947217417d0ea4f522ad1de2