[INFO] fetching crate signature_core 0.3.1...
[INFO] checking signature_core-0.3.1 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate signature_core 0.3.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate signature_core 0.3.1 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate signature_core 0.3.1
[INFO] finished tweaking crates.io crate signature_core 0.3.1
[INFO] tweaked toml for crates.io crate signature_core 0.3.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "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] 90f7bfb4a68233b2f5ad7e43bd5427231ebd77a89002fa1ff9caf28b4827dee4
[INFO] running `Command { std: "docker" "start" "-a" "90f7bfb4a68233b2f5ad7e43bd5427231ebd77a89002fa1ff9caf28b4827dee4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90f7bfb4a68233b2f5ad7e43bd5427231ebd77a89002fa1ff9caf28b4827dee4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90f7bfb4a68233b2f5ad7e43bd5427231ebd77a89002fa1ff9caf28b4827dee4", kill_on_drop: false }`
[INFO] [stdout] 90f7bfb4a68233b2f5ad7e43bd5427231ebd77a89002fa1ff9caf28b4827dee4
[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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb967d2a420327962402553abbeb6e370a913feaf9fe40a84a589d77630f5a0a
[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" "eb967d2a420327962402553abbeb6e370a913feaf9fe40a84a589d77630f5a0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]    Compiling heapless v0.6.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling ahash v0.7.2
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking bitvec v0.20.4
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking as-slice v0.1.5
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking blake2 v0.9.1
[INFO] [stderr]     Checking ff v0.9.0
[INFO] [stderr]     Checking group v0.9.0
[INFO] [stderr]     Checking pairing v0.19.0
[INFO] [stderr]     Checking bls12_381_plus v0.4.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking signature_core v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.67s
[INFO] running `Command { std: "docker" "inspect" "eb967d2a420327962402553abbeb6e370a913feaf9fe40a84a589d77630f5a0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb967d2a420327962402553abbeb6e370a913feaf9fe40a84a589d77630f5a0a", kill_on_drop: false }`
[INFO] [stdout] eb967d2a420327962402553abbeb6e370a913feaf9fe40a84a589d77630f5a0a