[INFO] cloning repository https://github.com/alagraf/blockchain_project
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alagraf/blockchain_project" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falagraf%2Fblockchain_project", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falagraf%2Fblockchain_project'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 293d723beff1a59bbe659ca9d3b09a128d0b356b
[INFO] building alagraf/blockchain_project against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falagraf%2Fblockchain_project" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alagraf/blockchain_project on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alagraf/blockchain_project
[INFO] finished tweaking git repo https://github.com/alagraf/blockchain_project
[INFO] tweaked toml for git repo https://github.com/alagraf/blockchain_project written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/alagraf/blockchain_project 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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cbor4ii v0.3.3
[INFO] [stderr]   Downloaded libp2p-tls v0.6.0
[INFO] [stderr]   Downloaded libp2p-websocket v0.45.0
[INFO] [stderr]   Downloaded libp2p-request-response v0.28.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f27efba210ac42f0557ae6fea3a40d38abb14eb3228537fa1983ef490dec3332
[INFO] running `Command { std: "docker" "start" "-a" "f27efba210ac42f0557ae6fea3a40d38abb14eb3228537fa1983ef490dec3332", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f27efba210ac42f0557ae6fea3a40d38abb14eb3228537fa1983ef490dec3332", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f27efba210ac42f0557ae6fea3a40d38abb14eb3228537fa1983ef490dec3332", kill_on_drop: false }`
[INFO] [stdout] f27efba210ac42f0557ae6fea3a40d38abb14eb3228537fa1983ef490dec3332
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7457b85ebf422c198991536d36b8ea9802d2d306c370ab0121ccf9c2a1623f3
[INFO] running `Command { std: "docker" "start" "-a" "c7457b85ebf422c198991536d36b8ea9802d2d306c370ab0121ccf9c2a1623f3", kill_on_drop: false }`
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[INFO] [stderr]    Compiling if-watch v3.2.1
[INFO] [stderr]    Compiling libp2p-swarm v0.46.0
[INFO] [stderr]    Compiling libp2p-tls v0.6.0
[INFO] [stderr]    Compiling libp2p-noise v0.46.0
[INFO] [stderr]    Compiling libp2p-websocket v0.45.0
[INFO] [stderr]    Compiling libp2p-yamux v0.47.0
[INFO] [stderr]    Compiling libp2p-tcp v0.43.0
[INFO] [stderr]    Compiling libp2p-quic v0.12.0
[INFO] [stderr]    Compiling hickory-resolver v0.25.0-alpha.5
[INFO] [stderr]    Compiling libp2p-connection-limits v0.5.0
[INFO] [stderr]    Compiling libp2p-allow-block-list v0.5.0
[INFO] [stderr]    Compiling libp2p-gossipsub v0.48.0
[INFO] [stderr]    Compiling libp2p-request-response v0.28.0
[INFO] [stderr]    Compiling libp2p-kad v0.47.0
[INFO] [stderr]    Compiling libp2p-mdns v0.47.0
[INFO] [stderr]    Compiling libp2p-dns v0.43.0
[INFO] [stderr]    Compiling libp2p v0.55.0
[INFO] [stderr]    Compiling project v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated items `serialize` and `deserialize` are never used
[INFO] [stdout]    --> src/block.rs:127:12
[INFO] [stdout]     |
[INFO] [stdout] 26  | impl Block {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 127 |     pub fn serialize(&self) -> String {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 147 |     pub fn deserialize(json_data: &str) -> Block {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from_blocks` and `is_valid` are never used
[INFO] [stdout]    --> src/blockchain.rs:59:12
[INFO] [stdout]     |
[INFO] [stdout] 18  | impl Blockchain {
[INFO] [stdout]     | --------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 59  |     pub fn from_blocks(data: Vec<Block>) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 159 |     pub fn is_valid(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 20s
[INFO] running `Command { std: "docker" "inspect" "c7457b85ebf422c198991536d36b8ea9802d2d306c370ab0121ccf9c2a1623f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7457b85ebf422c198991536d36b8ea9802d2d306c370ab0121ccf9c2a1623f3", kill_on_drop: false }`
[INFO] [stdout] c7457b85ebf422c198991536d36b8ea9802d2d306c370ab0121ccf9c2a1623f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c1bd9bf6d7e3954b24fe355f5f2637368188cf9b281fc12a30a4b32d1c1ede7
[INFO] running `Command { std: "docker" "start" "-a" "5c1bd9bf6d7e3954b24fe355f5f2637368188cf9b281fc12a30a4b32d1c1ede7", kill_on_drop: false }`
[INFO] [stderr]    Compiling project v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated items `serialize` and `deserialize` are never used
[INFO] [stdout]    --> src/block.rs:127:12
[INFO] [stdout]     |
[INFO] [stdout] 26  | impl Block {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 127 |     pub fn serialize(&self) -> String {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 147 |     pub fn deserialize(json_data: &str) -> Block {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from_blocks` and `is_valid` are never used
[INFO] [stdout]    --> src/blockchain.rs:59:12
[INFO] [stdout]     |
[INFO] [stdout] 18  | impl Blockchain {
[INFO] [stdout]     | --------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 59  |     pub fn from_blocks(data: Vec<Block>) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 159 |     pub fn is_valid(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.86s
[INFO] running `Command { std: "docker" "inspect" "5c1bd9bf6d7e3954b24fe355f5f2637368188cf9b281fc12a30a4b32d1c1ede7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c1bd9bf6d7e3954b24fe355f5f2637368188cf9b281fc12a30a4b32d1c1ede7", kill_on_drop: false }`
[INFO] [stdout] 5c1bd9bf6d7e3954b24fe355f5f2637368188cf9b281fc12a30a4b32d1c1ede7