[INFO] cloning repository https://github.com/grantkee/blockchain-pow
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/grantkee/blockchain-pow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrantkee%2Fblockchain-pow", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrantkee%2Fblockchain-pow'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c8891ae30c4e4c4ae581f8dbf19549656e3e111d
[INFO] testing grantkee/blockchain-pow against 1.85.0 for beta-1.86-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrantkee%2Fblockchain-pow" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/grantkee/blockchain-pow on toolchain 1.85.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.85.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/grantkee/blockchain-pow
[INFO] finished tweaking git repo https://github.com/grantkee/blockchain-pow
[INFO] tweaked toml for git repo https://github.com/grantkee/blockchain-pow written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/grantkee/blockchain-pow 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" "+1.85.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ea605200b141c5f6c948ce9ce819566f5b6f22877a3f0a8f83bdbcdcf3cbf3b
[INFO] running `Command { std: "docker" "start" "-a" "2ea605200b141c5f6c948ce9ce819566f5b6f22877a3f0a8f83bdbcdcf3cbf3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ea605200b141c5f6c948ce9ce819566f5b6f22877a3f0a8f83bdbcdcf3cbf3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ea605200b141c5f6c948ce9ce819566f5b6f22877a3f0a8f83bdbcdcf3cbf3b", kill_on_drop: false }`
[INFO] [stdout] 2ea605200b141c5f6c948ce9ce819566f5b6f22877a3f0a8f83bdbcdcf3cbf3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 356e50131a4ee94ea8652b345ac3dc1ecb4103994cbd7dd398469463f4a30777
[INFO] running `Command { std: "docker" "start" "-a" "356e50131a4ee94ea8652b345ac3dc1ecb4103994cbd7dd398469463f4a30777", kill_on_drop: false }`
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[INFO] [stderr]    Compiling libp2p-deflate v0.32.0
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[INFO] [stderr]    Compiling blockchain-pow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `try_add_block`, `verify_block`, and `verify_chain` are never used
[INFO] [stdout]    --> src/app.rs:52:18
[INFO] [stdout]     |
[INFO] [stdout] 23  | impl App {
[INFO] [stdout]     | -------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 52  |     pub async fn try_add_block(&mut self, block: Block) -> bool {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 65  |     pub async fn verify_block(&self, block: &Block, last_block: &Block) -> bool {
[INFO] [stdout]     |                  ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 112 |     pub async fn verify_chain(&self, blockchain: &[Block]) -> bool {
[INFO] [stdout]     |                  ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.80
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "356e50131a4ee94ea8652b345ac3dc1ecb4103994cbd7dd398469463f4a30777", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "356e50131a4ee94ea8652b345ac3dc1ecb4103994cbd7dd398469463f4a30777", kill_on_drop: false }`
[INFO] [stdout] 356e50131a4ee94ea8652b345ac3dc1ecb4103994cbd7dd398469463f4a30777
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5094132ad1c89f37232c7357b14d6b1867c3fe29965ab2fd832ec19a21d031f3
[INFO] running `Command { std: "docker" "start" "-a" "5094132ad1c89f37232c7357b14d6b1867c3fe29965ab2fd832ec19a21d031f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling blockchain-pow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.15s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.80
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "5094132ad1c89f37232c7357b14d6b1867c3fe29965ab2fd832ec19a21d031f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5094132ad1c89f37232c7357b14d6b1867c3fe29965ab2fd832ec19a21d031f3", kill_on_drop: false }`
[INFO] [stdout] 5094132ad1c89f37232c7357b14d6b1867c3fe29965ab2fd832ec19a21d031f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cc8512405cedeef8aa54a53ee6bfaa769b05140bceab894a876c576301633749
[INFO] running `Command { std: "docker" "start" "-a" "cc8512405cedeef8aa54a53ee6bfaa769b05140bceab894a876c576301633749", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.80
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/blockchain_pow-391e9e2ede6fe588)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::create_blockchain ... ok
[INFO] [stdout] test tests::wrong_previous_hash ... ok
[INFO] [stdout] test tests::wrong_proof_of_work ... ok
[INFO] [stdout] test tests::verify_chain ... ok
[INFO] [stdout] test tests::new_block ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.82s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cc8512405cedeef8aa54a53ee6bfaa769b05140bceab894a876c576301633749", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc8512405cedeef8aa54a53ee6bfaa769b05140bceab894a876c576301633749", kill_on_drop: false }`
[INFO] [stdout] cc8512405cedeef8aa54a53ee6bfaa769b05140bceab894a876c576301633749