[INFO] fetching crate libp2prs-plaintext 0.1.0...
[INFO] checking libp2prs-plaintext-0.1.0 against beta for pr-78714
[INFO] extracting crate libp2prs-plaintext 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate libp2prs-plaintext 0.1.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libp2prs-plaintext 0.1.0
[INFO] finished tweaking crates.io crate libp2prs-plaintext 0.1.0
[INFO] tweaked toml for crates.io crate libp2prs-plaintext 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate libp2prs-plaintext 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ebe92b39cc357da969d32565a2a37f878fb093c6c59878573a49f4d497d8e82f
[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" "ebe92b39cc357da969d32565a2a37f878fb093c6c59878573a49f4d497d8e82f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebe92b39cc357da969d32565a2a37f878fb093c6c59878573a49f4d497d8e82f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebe92b39cc357da969d32565a2a37f878fb093c6c59878573a49f4d497d8e82f", kill_on_drop: false }`
[INFO] [stdout] ebe92b39cc357da969d32565a2a37f878fb093c6c59878573a49f4d497d8e82f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 9bd9cc6b24c236c3421d44409616d32cf048b12a33a94f6101ae9b73b9c4ab1d
[INFO] running `Command { std: "docker" "start" "-a" "9bd9cc6b24c236c3421d44409616d32cf048b12a33a94f6101ae9b73b9c4ab1d", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core v0.3.7
[INFO] [stderr]     Checking futures-io v0.3.7
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking futures-task v0.3.7
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]     Checking blake2s_simd v0.5.10
[INFO] [stderr]     Checking blake2b_simd v0.5.10
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]     Checking futures-channel v0.3.7
[INFO] [stderr]     Checking futures-lite v1.11.2
[INFO] [stderr]     Checking async-channel v1.5.1
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking sha2 v0.9.1
[INFO] [stderr]     Checking sha-1 v0.9.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking futures-util v0.3.7
[INFO] [stderr]     Checking curve25519-dalek v3.0.0
[INFO] [stderr]     Checking multihash v0.11.4
[INFO] [stderr]     Checking libp2prs-multiaddr v0.1.0
[INFO] [stderr]    Compiling ring v0.16.12
[INFO] [stderr]    Compiling secp256k1-sys v0.1.2
[INFO] [stderr]     Checking rayon v1.5.0
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking async-executor v1.3.0
[INFO] [stderr]     Checking async-io v1.1.10
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking async-global-executor v1.4.2
[INFO] [stderr]     Checking async-std v1.6.5
[INFO] [stderr]     Checking thiserror v1.0.21
[INFO] [stderr]     Checking secp256k1 v0.17.2
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]     Checking futures-executor v0.3.7
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stderr]     Checking futures v0.3.7
[INFO] [stderr]     Checking rw-stream-sink v0.2.1
[INFO] [stderr]     Checking libp2prs-traits v0.1.0
[INFO] [stderr]    Compiling libp2prs-core v0.1.0
[INFO] [stderr]    Compiling libp2prs-plaintext v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "9bd9cc6b24c236c3421d44409616d32cf048b12a33a94f6101ae9b73b9c4ab1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bd9cc6b24c236c3421d44409616d32cf048b12a33a94f6101ae9b73b9c4ab1d", kill_on_drop: false }`
[INFO] [stdout] 9bd9cc6b24c236c3421d44409616d32cf048b12a33a94f6101ae9b73b9c4ab1d