[INFO] cloning repository https://github.com/therustdeveloper/rust-blockchain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/therustdeveloper/rust-blockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftherustdeveloper%2Frust-blockchain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftherustdeveloper%2Frust-blockchain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 169541259de39ac19eb3d5f28e37a312eb576e17
[INFO] checking therustdeveloper/rust-blockchain against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftherustdeveloper%2Frust-blockchain" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/therustdeveloper/rust-blockchain on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/therustdeveloper/rust-blockchain
[INFO] finished tweaking git repo https://github.com/therustdeveloper/rust-blockchain
[INFO] tweaked toml for git repo https://github.com/therustdeveloper/rust-blockchain written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/therustdeveloper/rust-blockchain already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55fb8e719ca9641253ab7d204db858e1bdb93b06344acce5134d5d57526d716f
[INFO] running `Command { std: "docker" "start" "-a" "55fb8e719ca9641253ab7d204db858e1bdb93b06344acce5134d5d57526d716f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55fb8e719ca9641253ab7d204db858e1bdb93b06344acce5134d5d57526d716f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55fb8e719ca9641253ab7d204db858e1bdb93b06344acce5134d5d57526d716f", kill_on_drop: false }`
[INFO] [stdout] 55fb8e719ca9641253ab7d204db858e1bdb93b06344acce5134d5d57526d716f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f8793c78a2657e64c4ef77fe8b5d165963e3a2c28c3658ddf720d631ee944ba
[INFO] running `Command { std: "docker" "start" "-a" "6f8793c78a2657e64c4ef77fe8b5d165963e3a2c28c3658ddf720d631ee944ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]    Compiling semver v1.0.21
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling platforms v3.3.0
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking unicode-bidi v0.3.15
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling data-encoding v2.5.0
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]     Checking unsigned-varint v0.7.2
[INFO] [stderr]     Checking ed25519 v2.2.3
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking core2 v0.4.0
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]     Checking hkdf v0.12.4
[INFO] [stderr]     Checking quick-protobuf v0.8.1
[INFO] [stderr]     Checking base-x v0.2.11
[INFO] [stderr]     Checking bs58 v0.5.0
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking multihash v0.19.1
[INFO] [stderr]     Checking unsigned-varint v0.8.0
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking iana-time-zone v0.1.60
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]    Compiling curve25519-dalek v4.1.2
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.12
[INFO] [stderr]     Checking is-terminal v0.4.10
[INFO] [stderr]     Checking chrono v0.4.33
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking data-encoding-macro v0.1.14
[INFO] [stderr]     Checking multibase v0.9.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking env_logger v0.10.2
[INFO] [stderr]     Checking pretty_env_logger v0.5.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.1
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling pin-project-internal v1.1.4
[INFO] [stderr]    Compiling enum-as-inner v0.6.0
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking pin-project v1.1.4
[INFO] [stderr]     Checking netlink-packet-utils v0.5.2
[INFO] [stderr]     Checking netlink-packet-core v0.4.2
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking netlink-packet-route v0.12.0
[INFO] [stderr]     Checking ed25519-dalek v2.1.1
[INFO] [stderr]     Checking libp2p-identity v0.2.8
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking hickory-proto v0.24.0
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking rw-stream-sink v0.4.0
[INFO] [stderr]     Checking multistream-select v0.13.0
[INFO] [stderr]     Checking netlink-sys v0.8.5
[INFO] [stderr]     Checking netlink-proto v0.10.0
[INFO] [stderr]     Checking rtnetlink v0.10.1
[INFO] [stderr]     Checking if-watch v3.2.0
[INFO] [stderr]     Checking multiaddr v0.18.1
[INFO] [stderr]     Checking libp2p-core v0.41.2
[INFO] [stderr]     Checking libp2p-swarm v0.44.1
[INFO] [stderr]     Checking libp2p-allow-block-list v0.3.0
[INFO] [stderr]     Checking libp2p-connection-limits v0.3.1
[INFO] [stderr]     Checking libp2p-mdns v0.45.1
[INFO] [stderr]     Checking libp2p v0.53.2
[INFO] [stderr]     Checking rust-blockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.30s
[INFO] running `Command { std: "docker" "inspect" "6f8793c78a2657e64c4ef77fe8b5d165963e3a2c28c3658ddf720d631ee944ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f8793c78a2657e64c4ef77fe8b5d165963e3a2c28c3658ddf720d631ee944ba", kill_on_drop: false }`
[INFO] [stdout] 6f8793c78a2657e64c4ef77fe8b5d165963e3a2c28c3658ddf720d631ee944ba