[INFO] cloning repository https://github.com/simsekgokhan/my-blockchain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/simsekgokhan/my-blockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimsekgokhan%2Fmy-blockchain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimsekgokhan%2Fmy-blockchain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 89c719897acde2eb64b82951646d7e992be7d63b
[INFO] testing simsekgokhan/my-blockchain against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimsekgokhan%2Fmy-blockchain" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/simsekgokhan/my-blockchain
[INFO] finished tweaking git repo https://github.com/simsekgokhan/my-blockchain
[INFO] tweaked toml for git repo https://github.com/simsekgokhan/my-blockchain written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/simsekgokhan/my-blockchain on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/simsekgokhan/my-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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pin-project v0.4.30
[INFO] [stderr]   Downloaded x25519-dalek v1.2.0
[INFO] [stderr]   Downloaded value-bag v1.8.0
[INFO] [stderr]   Downloaded generic-array v0.8.4
[INFO] [stderr]   Downloaded enum-as-inner v0.3.4
[INFO] [stderr]   Downloaded pin-project-internal v0.4.30
[INFO] [stderr]   Downloaded multistream-select v0.10.4
[INFO] [stderr]   Downloaded ctr v0.7.0
[INFO] [stderr]   Downloaded polling v3.4.0
[INFO] [stderr]   Downloaded pest v2.7.8
[INFO] [stderr]   Downloaded event-listener v5.2.0
[INFO] [stderr]   Downloaded anyhow v1.0.81
[INFO] [stderr]   Downloaded thiserror v1.0.55
[INFO] [stderr]   Downloaded async-trait v0.1.76
[INFO] [stderr]   Downloaded aes-gcm v0.9.2
[INFO] [stderr]   Downloaded rustix v0.38.28
[INFO] [stderr]   Downloaded trust-dns-proto v0.20.4
[INFO] [stderr]   Downloaded curve25519-dalek v3.2.1
[INFO] [stderr]   Downloaded trust-dns-resolver v0.20.4
[INFO] [stderr]   Downloaded universal-hash v0.4.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.55
[INFO] [stderr]   Downloaded async-std-resolver v0.20.4
[INFO] [stderr]   Downloaded asn1_der v0.7.6
[INFO] [stderr]   Downloaded digest v0.6.1
[INFO] [stderr]   Downloaded if-addrs v0.6.7
[INFO] [stderr]   Downloaded libz-sys v1.1.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13afb8af1c5a1f75b284691848d1d9ed625f5e4e279531245471f4a8cb3e4f8c
[INFO] running `Command { std: "docker" "start" "-a" "13afb8af1c5a1f75b284691848d1d9ed625f5e4e279531245471f4a8cb3e4f8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13afb8af1c5a1f75b284691848d1d9ed625f5e4e279531245471f4a8cb3e4f8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13afb8af1c5a1f75b284691848d1d9ed625f5e4e279531245471f4a8cb3e4f8c", kill_on_drop: false }`
[INFO] [stdout] 13afb8af1c5a1f75b284691848d1d9ed625f5e4e279531245471f4a8cb3e4f8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8d050109b8bec63a1932fa1f54d25854f1b6c6b77d2e1ac76481de2007cdb3f
[INFO] running `Command { std: "docker" "start" "-a" "a8d050109b8bec63a1932fa1f54d25854f1b6c6b77d2e1ac76481de2007cdb3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling bitflags v2.4.2
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling rustix v0.38.28
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling home v0.5.9
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling bytes v1.5.0
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling value-bag v1.8.0
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling thiserror v1.0.55
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling block-padding v0.2.1
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling smallvec v1.13.1
[INFO] [stderr]    Compiling cpufeatures v0.2.12
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling libsecp256k1-core v0.2.2
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]    Compiling unicode-normalization v0.1.23
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling sha2 v0.9.9
[INFO] [stderr]    Compiling data-encoding v2.5.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling indexmap v2.2.5
[INFO] [stderr]    Compiling rand v0.7.3
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[INFO] [stderr]    Compiling signature v1.6.4
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[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling hmac-drbg v0.3.0
[INFO] [stderr]    Compiling ed25519 v1.5.3
[INFO] [stderr]    Compiling bs58 v0.4.0
[INFO] [stderr]    Compiling futures-timer v3.0.3
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[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling tempfile v3.9.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling asn1_der v0.7.6
[INFO] [stderr]    Compiling parking v2.2.0
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling url v2.5.0
[INFO] [stderr]    Compiling libsecp256k1-gen-ecmult v0.2.1
[INFO] [stderr]    Compiling libsecp256k1-gen-genmult v0.2.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling prost-build v0.8.0
[INFO] [stderr]    Compiling concurrent-queue v2.4.0
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]    Compiling libsecp256k1 v0.5.0
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling event-listener v4.0.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling waker-fn v1.1.1
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.92
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling event-listener v5.2.0
[INFO] [stderr]    Compiling event-listener-strategy v0.4.0
[INFO] [stderr]    Compiling async-lock v2.8.0
[INFO] [stderr]    Compiling futures-lite v2.2.0
[INFO] [stderr]    Compiling async-lock v3.3.0
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling socket2 v0.4.10
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]    Compiling event-listener-strategy v0.5.0
[INFO] [stderr]    Compiling async-task v4.7.0
[INFO] [stderr]    Compiling bumpalo v3.15.4
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling async-trait v0.1.76
[INFO] [stderr]    Compiling ipnet v2.9.0
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[INFO] [stderr]    Compiling async-channel v2.2.0
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[INFO] [stderr]    Compiling aho-corasick v1.1.2
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[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling wasm-bindgen v0.2.92
[INFO] [stderr]    Compiling blocking v1.5.1
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling libz-sys v1.1.15
[INFO] [stderr]    Compiling async-channel v1.9.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
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[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling resolv-conf v0.7.0
[INFO] [stderr]    Compiling nodrop v0.1.14
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[INFO] [stderr]    Compiling flate2 v1.0.28
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[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.92
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling sha-1 v0.9.8
[INFO] [stderr]    Compiling webpki v0.21.4
[INFO] [stderr]    Compiling sct v0.6.1
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[INFO] [stderr]    Compiling cipher v0.3.0
[INFO] [stderr]    Compiling rustls v0.19.1
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[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling sha3 v0.9.1
[INFO] [stderr]    Compiling salsa20 v0.8.1
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[INFO] [stderr]    Compiling quicksink v0.1.2
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[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling webpki-roots v0.21.1
[INFO] [stderr]    Compiling dns-parser v0.8.0
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling cuckoofilter v0.5.0
[INFO] [stderr]    Compiling if-addrs v0.6.7
[INFO] [stderr]    Compiling is-terminal v0.4.12
[INFO] [stderr]    Compiling hex_fmt v0.3.0
[INFO] [stderr]    Compiling serde_json v1.0.109
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling parity-send-wrapper v0.1.0
[INFO] [stderr]    Compiling byte-tools v0.2.0
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.92
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling digest v0.6.1
[INFO] [stderr]    Compiling block-buffer v0.2.0
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling chrono v0.4.38
[INFO] [stderr]    Compiling num-bigint v0.4.5
[INFO] [stderr]    Compiling sha2 v0.6.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling thiserror-impl v1.0.55
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.92
[INFO] [stderr]    Compiling futures-rustls v0.21.1
[INFO] [stderr]    Compiling zeroize v1.3.0
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling curve25519-dalek v3.2.1
[INFO] [stderr]    Compiling prost-derive v0.8.0
[INFO] [stderr]    Compiling multihash-derive v0.7.2
[INFO] [stderr]    Compiling polling v3.4.0
[INFO] [stderr]    Compiling enum-as-inner v0.3.4
[INFO] [stderr]    Compiling async-io v2.3.2
[INFO] [stderr]    Compiling js-sys v0.3.69
[INFO] [stderr]    Compiling minicbor-derive v0.6.4
[INFO] [stderr]    Compiling tokio v1.34.0
[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stderr]    Compiling pin-project v1.1.5
[INFO] [stderr]    Compiling pest v2.7.8
[INFO] [stderr]    Compiling async-global-executor v2.4.1
[INFO] [stderr]    Compiling x25519-dalek v1.2.0
[INFO] [stderr]    Compiling libp2p-swarm-derive v0.24.0
[INFO] [stderr]    Compiling pin-project v0.4.30
[INFO] [stderr]    Compiling async-std v1.12.0
[INFO] [stderr]    Compiling env_logger v0.10.2
[INFO] [stderr]    Compiling futures-executor v0.3.30
[INFO] [stderr]    Compiling asynchronous-codec v0.6.2
[INFO] [stderr]    Compiling trust-dns-proto v0.20.4
[INFO] [stderr]    Compiling prost v0.8.0
[INFO] [stderr]    Compiling unsigned-varint v0.7.2
[INFO] [stderr]    Compiling pretty_env_logger v0.5.0
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling minicbor v0.8.1
[INFO] [stderr]    Compiling rw-stream-sink v0.2.1
[INFO] [stderr]    Compiling multihash v0.14.0
[INFO] [stderr]    Compiling multistream-select v0.10.4
[INFO] [stderr]    Compiling wasm-timer v0.2.5
[INFO] [stderr]    Compiling yamux v0.9.0
[INFO] [stderr]    Compiling soketto v0.4.2
[INFO] [stderr]    Compiling prost-types v0.8.0
[INFO] [stderr]    Compiling libp2p-pnet v0.21.0
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling snow v0.8.0
[INFO] [stderr]    Compiling libp2p-core v0.29.0
[INFO] [stderr]    Compiling libp2p-noise v0.32.0
[INFO] [stderr]    Compiling libp2p-plaintext v0.29.0
[INFO] [stderr]    Compiling libp2p-kad v0.31.0
[INFO] [stderr]    Compiling libp2p-identify v0.30.0
[INFO] [stderr]    Compiling libp2p-relay v0.3.0
[INFO] [stderr]    Compiling libp2p-floodsub v0.30.0
[INFO] [stderr]    Compiling libp2p-gossipsub v0.32.0
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.4.42
[INFO] [stderr]    Compiling trust-dns-resolver v0.20.4
[INFO] [stderr]    Compiling async-std-resolver v0.20.4
[INFO] [stderr]    Compiling multiaddr v0.13.0
[INFO] [stderr]    Compiling ed25519-dalek v1.0.1
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling libp2p-swarm v0.30.0
[INFO] [stderr]    Compiling libp2p-websocket v0.30.0
[INFO] [stderr]    Compiling libp2p-tcp v0.29.0
[INFO] [stderr]    Compiling libp2p-uds v0.29.0
[INFO] [stderr]    Compiling libp2p-mplex v0.29.0
[INFO] [stderr]    Compiling libp2p-deflate v0.29.0
[INFO] [stderr]    Compiling libp2p-wasm-ext v0.29.0
[INFO] [stderr]    Compiling libp2p-yamux v0.33.0
[INFO] [stderr]    Compiling libp2p-dns v0.29.0
[INFO] [stderr]    Compiling libp2p-ping v0.30.0
[INFO] [stderr]    Compiling libp2p-request-response v0.12.0
[INFO] [stderr]    Compiling libp2p-mdns v0.31.0
[INFO] [stderr]    Compiling libp2p v0.39.1
[INFO] [stderr]    Compiling my-blockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `error` and `warn`
[INFO] [stdout]   --> src/main.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 | use log::{error, info, warn};
[INFO] [stdout]    |           ^^^^^        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `process::exit`
[INFO] [stdout]   --> src/main.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::{process::exit, time::Duration};
[INFO] [stdout]    |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::warn`
[INFO] [stdout]  --> src/mempool.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use log::warn;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ed25519::Error`
[INFO] [stdout]  --> src/util.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ed25519_dalek::{ed25519::Error, PublicKey, Signature, Verifier};
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::warn`
[INFO] [stdout]  --> src/util.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use log::warn;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/blockchain.rs:137:13
[INFO] [stdout]     |
[INFO] [stdout] 136 |             todo!(), // self.mempool.transactions.clone(),
[INFO] [stdout]     |             ------- any code following this expression is unreachable
[INFO] [stdout] 137 |             self.get_difficulty(),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/blockchain.rs:178:13
[INFO] [stdout]     |
[INFO] [stdout] 177 |             todo!(), // self.stakes.get_balance(&block.validator).clone(),
[INFO] [stdout]     |             ------- any code following this expression is unreachable
[INFO] [stdout] 178 |             block.difficulty,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/blockchain.rs:187:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |             return false;
[INFO] [stdout]     |             ------------ any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 187 |         self.add_new_block(block);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chrono::prelude`
[INFO] [stdout]  --> src/blockchain.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use chrono::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txn`
[INFO] [stdout]   --> src/blockchain.rs:50:33
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn txn_exist(&mut self, txn: &Transaction) -> bool {
[INFO] [stdout]    |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txn`
[INFO] [stdout]   --> src/blockchain.rs:54:31
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn add_txn(&mut self, txn: Transaction) {
[INFO] [stdout]    |                               ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `public_key`
[INFO] [stdout]    --> src/blockchain.rs:297:35
[INFO] [stdout]     |
[INFO] [stdout] 297 |     pub fn get_balance(&mut self, public_key: &String) -> &f64 {
[INFO] [stdout]     |                                   ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_public_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:48:27
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let (response_sender, mut response_rcv) = mpsc::unbounded_channel();
[INFO] [stdout]    |                           ----^^^^^^^^^^^^
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |     let mut stdin = BufReader::new(stdin()).lines();
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `response_rcv`
[INFO] [stdout]   --> src/main.rs:48:27
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let (response_sender, mut response_rcv) = mpsc::unbounded_channel();
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response_rcv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pos_mining_sender`
[INFO] [stdout]   --> src/main.rs:50:10
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let (pos_mining_sender, mut pos_mining_rcv) = mpsc::unbounded_channel::<bool>();
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pos_mining_sender`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stdin`
[INFO] [stdout]   --> src/main.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |     let mut stdin = BufReader::new(stdin()).lines();
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stdin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/block.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl Block {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 26 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BLOCK_GENERATION_INTERVAL_SECONDS` is never used
[INFO] [stdout]   --> src/blockchain.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | const BLOCK_GENERATION_INTERVAL_SECONDS: usize = 30;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DIFFICULTY_ADJUSTMENT_INTERVAL_BLOCKS` is never used
[INFO] [stdout]   --> src/blockchain.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | const DIFFICULTY_ADJUSTMENT_INTERVAL_BLOCKS: usize = 2;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `wallet` is never read
[INFO] [stdout]   --> src/blockchain.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Blockchain {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub wallet: Wallet,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `create_txn`, `get_difficulty`, `create_block`, and `get_balance` are never used
[INFO] [stdout]    --> src/blockchain.rs:41:12
[INFO] [stdout]     |
[INFO] [stdout]  28 | impl Blockchain {
[INFO] [stdout]     | --------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  41 |     pub fn create_txn(
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  58 |     pub fn get_difficulty(&mut self) -> u32 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 129 |     pub fn create_block(&mut self, timestamp: i64) -> Block {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 297 |     pub fn get_balance(&mut self, public_key: &String) -> &f64 {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add_transaction`, `transaction_exists`, and `clear` are never used
[INFO] [stdout]   --> src/mempool.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Mempool {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn add_transaction(&mut self, txn: Transaction) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn transaction_exists(&mut self, txn: &Transaction) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn clear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Input` is never constructed
[INFO] [stdout]   --> src/p2p.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub enum EventType {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] 38 |     Input(String),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `response_sender` and `init_sender` are never read
[INFO] [stdout]   --> src/p2p.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub struct AppBehaviour {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub response_sender: mpsc::UnboundedSender<ChainResponse>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 49 |     #[behaviour(ignore)]
[INFO] [stdout] 50 |     pub init_sender: mpsc::UnboundedSender<bool>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_print_peers` is never used
[INFO] [stdout]    --> src/p2p.rs:164:8
[INFO] [stdout]     |
[INFO] [stdout] 164 | pub fn handle_print_peers(swarm: &Swarm<AppBehaviour>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_print_chain` is never used
[INFO] [stdout]    --> src/p2p.rs:169:8
[INFO] [stdout]     |
[INFO] [stdout] 169 | pub fn handle_print_chain(swarm: &Swarm<AppBehaviour>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_set_wallet` is never used
[INFO] [stdout]    --> src/p2p.rs:198:8
[INFO] [stdout]     |
[INFO] [stdout] 198 | pub fn handle_set_wallet(cmd: &str, swarm: &mut Swarm<AppBehaviour>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_print_wallet` is never used
[INFO] [stdout]    --> src/p2p.rs:207:8
[INFO] [stdout]     |
[INFO] [stdout] 207 | pub fn handle_print_wallet(swarm: &mut Swarm<AppBehaviour>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_create_txn` is never used
[INFO] [stdout]    --> src/p2p.rs:219:8
[INFO] [stdout]     |
[INFO] [stdout] 219 | pub fn handle_create_txn(cmd: &str, swarm: &mut Swarm<AppBehaviour>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TRANSACTION_FEE` is never used
[INFO] [stdout]  --> src/transaction.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub const TRANSACTION_FEE: f64 = 1.0;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/transaction.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl TransactionInput {
[INFO] [stdout]    | --------------------- associated function in this implementation
[INFO] [stdout] 23 |     pub fn new(sender_wallet: &mut Wallet, txn_output: &String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/transaction.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl TransactionOutput {
[INFO] [stdout]    | ---------------------- associated function in this implementation
[INFO] [stdout] 40 |     pub fn new(to: String, amount: f64, fee: f64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/transaction.rs:64:19
[INFO] [stdout]    |
[INFO] [stdout] 64 |     DecodeJsonErr(serde_json::Error),
[INFO] [stdout]    |     ------------- ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 64 -     DecodeJsonErr(serde_json::Error),
[INFO] [stdout] 64 +     DecodeJsonErr(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `VerifySigErr` is never constructed
[INFO] [stdout]   --> src/transaction.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub enum VerifyTxnError {
[INFO] [stdout]    |          -------------- variant in this enum
[INFO] [stdout] 64 |     DecodeJsonErr(serde_json::Error),
[INFO] [stdout] 65 |     VerifySigErr(VerifySigErr),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/transaction.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 68 | impl Transaction {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 69 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/util.rs:10:20
[INFO] [stdout]    |
[INFO] [stdout] 10 |     DecodeStrError(FromHexError),
[INFO] [stdout]    |     -------------- ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 10 -     DecodeStrError(FromHexError),
[INFO] [stdout] 10 +     DecodeStrError(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/util.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 |     DecodeHexError(ed25519_dalek::ed25519::Error),
[INFO] [stdout]    |     -------------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 11 -     DecodeHexError(ed25519_dalek::ed25519::Error),
[INFO] [stdout] 11 +     DecodeHexError(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `id` is never used
[INFO] [stdout]   --> src/util.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl Util {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 27 |     pub fn id() -> Uuid {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `generate_wallet`, `get_keypair`, `get_wallet`, `sign`, `get_public_key`, and `get_balance` are never used
[INFO] [stdout]   --> src/wallet.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Wallet {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn generate_wallet() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     fn get_keypair(keypair_str: &String) -> Keypair {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn get_wallet(keypair: String) -> Wallet {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn sign(&mut self, data_hash: &String) -> String {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn get_public_key(&mut self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn get_balance<'a>(&mut self, blockchain: &'a mut Blockchain) -> &'a f64 {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 36s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: snow v0.8.0
[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" "a8d050109b8bec63a1932fa1f54d25854f1b6c6b77d2e1ac76481de2007cdb3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8d050109b8bec63a1932fa1f54d25854f1b6c6b77d2e1ac76481de2007cdb3f", kill_on_drop: false }`
[INFO] [stdout] a8d050109b8bec63a1932fa1f54d25854f1b6c6b77d2e1ac76481de2007cdb3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca2b3f320d75a36761d71760dbec1bc6e0393820430244abd830767d31efcb36
[INFO] running `Command { std: "docker" "start" "-a" "ca2b3f320d75a36761d71760dbec1bc6e0393820430244abd830767d31efcb36", kill_on_drop: false }`
[INFO] [stderr]    Compiling my-blockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `error` and `warn`
[INFO] [stdout]   --> src/main.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 | use log::{error, info, warn};
[INFO] [stdout]    |           ^^^^^        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `process::exit`
[INFO] [stdout]   --> src/main.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::{process::exit, time::Duration};
[INFO] [stdout]    |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::warn`
[INFO] [stdout]  --> src/mempool.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use log::warn;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ed25519::Error`
[INFO] [stdout]  --> src/util.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ed25519_dalek::{ed25519::Error, PublicKey, Signature, Verifier};
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::warn`
[INFO] [stdout]  --> src/util.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use log::warn;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/blockchain.rs:137:13
[INFO] [stdout]     |
[INFO] [stdout] 136 |             todo!(), // self.mempool.transactions.clone(),
[INFO] [stdout]     |             ------- any code following this expression is unreachable
[INFO] [stdout] 137 |             self.get_difficulty(),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/blockchain.rs:178:13
[INFO] [stdout]     |
[INFO] [stdout] 177 |             todo!(), // self.stakes.get_balance(&block.validator).clone(),
[INFO] [stdout]     |             ------- any code following this expression is unreachable
[INFO] [stdout] 178 |             block.difficulty,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/blockchain.rs:187:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |             return false;
[INFO] [stdout]     |             ------------ any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 187 |         self.add_new_block(block);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chrono::prelude`
[INFO] [stdout]  --> src/blockchain.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use chrono::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txn`
[INFO] [stdout]   --> src/blockchain.rs:50:33
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn txn_exist(&mut self, txn: &Transaction) -> bool {
[INFO] [stdout]    |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txn`
[INFO] [stdout]   --> src/blockchain.rs:54:31
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn add_txn(&mut self, txn: Transaction) {
[INFO] [stdout]    |                               ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `public_key`
[INFO] [stdout]    --> src/blockchain.rs:297:35
[INFO] [stdout]     |
[INFO] [stdout] 297 |     pub fn get_balance(&mut self, public_key: &String) -> &f64 {
[INFO] [stdout]     |                                   ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_public_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:48:27
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let (response_sender, mut response_rcv) = mpsc::unbounded_channel();
[INFO] [stdout]    |                           ----^^^^^^^^^^^^
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |     let mut stdin = BufReader::new(stdin()).lines();
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `response_rcv`
[INFO] [stdout]   --> src/main.rs:48:27
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let (response_sender, mut response_rcv) = mpsc::unbounded_channel();
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response_rcv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pos_mining_sender`
[INFO] [stdout]   --> src/main.rs:50:10
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let (pos_mining_sender, mut pos_mining_rcv) = mpsc::unbounded_channel::<bool>();
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pos_mining_sender`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stdin`
[INFO] [stdout]   --> src/main.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |     let mut stdin = BufReader::new(stdin()).lines();
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stdin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/block.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl Block {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 26 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BLOCK_GENERATION_INTERVAL_SECONDS` is never used
[INFO] [stdout]   --> src/blockchain.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | const BLOCK_GENERATION_INTERVAL_SECONDS: usize = 30;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DIFFICULTY_ADJUSTMENT_INTERVAL_BLOCKS` is never used
[INFO] [stdout]   --> src/blockchain.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | const DIFFICULTY_ADJUSTMENT_INTERVAL_BLOCKS: usize = 2;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `wallet` is never read
[INFO] [stdout]   --> src/blockchain.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Blockchain {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub wallet: Wallet,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `create_txn`, `get_difficulty`, `create_block`, and `get_balance` are never used
[INFO] [stdout]    --> src/blockchain.rs:41:12
[INFO] [stdout]     |
[INFO] [stdout]  28 | impl Blockchain {
[INFO] [stdout]     | --------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  41 |     pub fn create_txn(
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  58 |     pub fn get_difficulty(&mut self) -> u32 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 129 |     pub fn create_block(&mut self, timestamp: i64) -> Block {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 297 |     pub fn get_balance(&mut self, public_key: &String) -> &f64 {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add_transaction`, `transaction_exists`, and `clear` are never used
[INFO] [stdout]   --> src/mempool.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Mempool {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn add_transaction(&mut self, txn: Transaction) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn transaction_exists(&mut self, txn: &Transaction) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn clear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Input` is never constructed
[INFO] [stdout]   --> src/p2p.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub enum EventType {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] 38 |     Input(String),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `response_sender` and `init_sender` are never read
[INFO] [stdout]   --> src/p2p.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub struct AppBehaviour {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub response_sender: mpsc::UnboundedSender<ChainResponse>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 49 |     #[behaviour(ignore)]
[INFO] [stdout] 50 |     pub init_sender: mpsc::UnboundedSender<bool>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_print_peers` is never used
[INFO] [stdout]    --> src/p2p.rs:164:8
[INFO] [stdout]     |
[INFO] [stdout] 164 | pub fn handle_print_peers(swarm: &Swarm<AppBehaviour>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_print_chain` is never used
[INFO] [stdout]    --> src/p2p.rs:169:8
[INFO] [stdout]     |
[INFO] [stdout] 169 | pub fn handle_print_chain(swarm: &Swarm<AppBehaviour>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_set_wallet` is never used
[INFO] [stdout]    --> src/p2p.rs:198:8
[INFO] [stdout]     |
[INFO] [stdout] 198 | pub fn handle_set_wallet(cmd: &str, swarm: &mut Swarm<AppBehaviour>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_print_wallet` is never used
[INFO] [stdout]    --> src/p2p.rs:207:8
[INFO] [stdout]     |
[INFO] [stdout] 207 | pub fn handle_print_wallet(swarm: &mut Swarm<AppBehaviour>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_create_txn` is never used
[INFO] [stdout]    --> src/p2p.rs:219:8
[INFO] [stdout]     |
[INFO] [stdout] 219 | pub fn handle_create_txn(cmd: &str, swarm: &mut Swarm<AppBehaviour>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TRANSACTION_FEE` is never used
[INFO] [stdout]  --> src/transaction.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub const TRANSACTION_FEE: f64 = 1.0;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/transaction.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl TransactionInput {
[INFO] [stdout]    | --------------------- associated function in this implementation
[INFO] [stdout] 23 |     pub fn new(sender_wallet: &mut Wallet, txn_output: &String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/transaction.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl TransactionOutput {
[INFO] [stdout]    | ---------------------- associated function in this implementation
[INFO] [stdout] 40 |     pub fn new(to: String, amount: f64, fee: f64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/transaction.rs:64:19
[INFO] [stdout]    |
[INFO] [stdout] 64 |     DecodeJsonErr(serde_json::Error),
[INFO] [stdout]    |     ------------- ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 64 -     DecodeJsonErr(serde_json::Error),
[INFO] [stdout] 64 +     DecodeJsonErr(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `VerifySigErr` is never constructed
[INFO] [stdout]   --> src/transaction.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub enum VerifyTxnError {
[INFO] [stdout]    |          -------------- variant in this enum
[INFO] [stdout] 64 |     DecodeJsonErr(serde_json::Error),
[INFO] [stdout] 65 |     VerifySigErr(VerifySigErr),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/transaction.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 68 | impl Transaction {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 69 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/util.rs:10:20
[INFO] [stdout]    |
[INFO] [stdout] 10 |     DecodeStrError(FromHexError),
[INFO] [stdout]    |     -------------- ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 10 -     DecodeStrError(FromHexError),
[INFO] [stdout] 10 +     DecodeStrError(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/util.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 |     DecodeHexError(ed25519_dalek::ed25519::Error),
[INFO] [stdout]    |     -------------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 11 -     DecodeHexError(ed25519_dalek::ed25519::Error),
[INFO] [stdout] 11 +     DecodeHexError(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `id` is never used
[INFO] [stdout]   --> src/util.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl Util {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 27 |     pub fn id() -> Uuid {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `generate_wallet`, `get_keypair`, `get_wallet`, `sign`, `get_public_key`, and `get_balance` are never used
[INFO] [stdout]   --> src/wallet.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Wallet {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn generate_wallet() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     fn get_keypair(keypair_str: &String) -> Keypair {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn get_wallet(keypair: String) -> Wallet {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn sign(&mut self, data_hash: &String) -> String {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn get_public_key(&mut self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn get_balance<'a>(&mut self, blockchain: &'a mut Blockchain) -> &'a f64 {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.42s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: snow v0.8.0
[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" "ca2b3f320d75a36761d71760dbec1bc6e0393820430244abd830767d31efcb36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca2b3f320d75a36761d71760dbec1bc6e0393820430244abd830767d31efcb36", kill_on_drop: false }`
[INFO] [stdout] ca2b3f320d75a36761d71760dbec1bc6e0393820430244abd830767d31efcb36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a2c49ed452862d22b5ba34dc5824fbf9a76f1827198b17d93b6a2c15413ea8ba
[INFO] running `Command { std: "docker" "start" "-a" "a2c49ed452862d22b5ba34dc5824fbf9a76f1827198b17d93b6a2c15413ea8ba", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `error` and `warn`
[INFO] [stderr]   --> src/main.rs:10:11
[INFO] [stderr]    |
[INFO] [stderr] 10 | use log::{error, info, warn};
[INFO] [stderr]    |           ^^^^^        ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `process::exit`
[INFO] [stderr]   --> src/main.rs:11:11
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::{process::exit, time::Duration};
[INFO] [stderr]    |           ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `log::warn`
[INFO] [stderr]  --> src/mempool.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use log::warn;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ed25519::Error`
[INFO] [stderr]  --> src/util.rs:1:21
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ed25519_dalek::{ed25519::Error, PublicKey, Signature, Verifier};
[INFO] [stderr]   |                     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `log::warn`
[INFO] [stderr]  --> src/util.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use log::warn;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/blockchain.rs:137:13
[INFO] [stderr]     |
[INFO] [stderr] 136 |             todo!(), // self.mempool.transactions.clone(),
[INFO] [stderr]     |             ------- any code following this expression is unreachable
[INFO] [stderr] 137 |             self.get_difficulty(),
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/blockchain.rs:178:13
[INFO] [stderr]     |
[INFO] [stderr] 177 |             todo!(), // self.stakes.get_balance(&block.validator).clone(),
[INFO] [stderr]     |             ------- any code following this expression is unreachable
[INFO] [stderr] 178 |             block.difficulty,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/blockchain.rs:187:9
[INFO] [stderr]     |
[INFO] [stderr] 151 |             return false;
[INFO] [stderr]     |             ------------ any code following this expression is unreachable
[INFO] [stderr] ...
[INFO] [stderr] 187 |         self.add_new_block(block);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude`
[INFO] [stderr]  --> src/blockchain.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use chrono::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `txn`
[INFO] [stderr]   --> src/blockchain.rs:50:33
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn txn_exist(&mut self, txn: &Transaction) -> bool {
[INFO] [stderr]    |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `txn`
[INFO] [stderr]   --> src/blockchain.rs:54:31
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub fn add_txn(&mut self, txn: Transaction) {
[INFO] [stderr]    |                               ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `public_key`
[INFO] [stderr]    --> src/blockchain.rs:297:35
[INFO] [stderr]     |
[INFO] [stderr] 297 |     pub fn get_balance(&mut self, public_key: &String) -> &f64 {
[INFO] [stderr]     |                                   ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_public_key`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:48:27
[INFO] [stderr]    |
[INFO] [stderr] 48 |     let (response_sender, mut response_rcv) = mpsc::unbounded_channel();
[INFO] [stderr]    |                           ----^^^^^^^^^^^^
[INFO] [stderr]    |                           |
[INFO] [stderr]    |                           help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:78:9
[INFO] [stderr]    |
[INFO] [stderr] 78 |     let mut stdin = BufReader::new(stdin()).lines();
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `response_rcv`
[INFO] [stderr]   --> src/main.rs:48:27
[INFO] [stderr]    |
[INFO] [stderr] 48 |     let (response_sender, mut response_rcv) = mpsc::unbounded_channel();
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response_rcv`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pos_mining_sender`
[INFO] [stderr]   --> src/main.rs:50:10
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let (pos_mining_sender, mut pos_mining_rcv) = mpsc::unbounded_channel::<bool>();
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pos_mining_sender`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stdin`
[INFO] [stderr]   --> src/main.rs:78:9
[INFO] [stderr]    |
[INFO] [stderr] 78 |     let mut stdin = BufReader::new(stdin()).lines();
[INFO] [stderr]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stdin`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/block.rs:26:12
[INFO] [stderr]    |
[INFO] [stderr] 25 | impl Block {
[INFO] [stderr]    | ---------- associated function in this implementation
[INFO] [stderr] 26 |     pub fn new(
[INFO] [stderr]    |            ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `BLOCK_GENERATION_INTERVAL_SECONDS` is never used
[INFO] [stderr]   --> src/blockchain.rs:16:7
[INFO] [stderr]    |
[INFO] [stderr] 16 | const BLOCK_GENERATION_INTERVAL_SECONDS: usize = 30;
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `DIFFICULTY_ADJUSTMENT_INTERVAL_BLOCKS` is never used
[INFO] [stderr]   --> src/blockchain.rs:17:7
[INFO] [stderr]    |
[INFO] [stderr] 17 | const DIFFICULTY_ADJUSTMENT_INTERVAL_BLOCKS: usize = 2;
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `wallet` is never read
[INFO] [stderr]   --> src/blockchain.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub struct Blockchain {
[INFO] [stderr]    |            ---------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 22 |     pub wallet: Wallet,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `create_txn`, `get_difficulty`, `create_block`, and `get_balance` are never used
[INFO] [stderr]    --> src/blockchain.rs:41:12
[INFO] [stderr]     |
[INFO] [stderr]  28 | impl Blockchain {
[INFO] [stderr]     | --------------- associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr]  41 |     pub fn create_txn(
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  58 |     pub fn get_difficulty(&mut self) -> u32 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 129 |     pub fn create_block(&mut self, timestamp: i64) -> Block {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 297 |     pub fn get_balance(&mut self, public_key: &String) -> &f64 {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `add_transaction`, `transaction_exists`, and `clear` are never used
[INFO] [stderr]   --> src/mempool.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr]  9 | impl Mempool {
[INFO] [stderr]    | ------------ methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 16 |     pub fn add_transaction(&mut self, txn: Transaction) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 20 |     pub fn transaction_exists(&mut self, txn: &Transaction) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 24 |     pub fn clear(&mut self) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Input` is never constructed
[INFO] [stderr]   --> src/p2p.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub enum EventType {
[INFO] [stderr]    |          --------- variant in this enum
[INFO] [stderr] 38 |     Input(String),
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `response_sender` and `init_sender` are never read
[INFO] [stderr]   --> src/p2p.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 44 | pub struct AppBehaviour {
[INFO] [stderr]    |            ------------ fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 48 |     pub response_sender: mpsc::UnboundedSender<ChainResponse>,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 49 |     #[behaviour(ignore)]
[INFO] [stderr] 50 |     pub init_sender: mpsc::UnboundedSender<bool>,
[INFO] [stderr]    |         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `handle_print_peers` is never used
[INFO] [stderr]    --> src/p2p.rs:164:8
[INFO] [stderr]     |
[INFO] [stderr] 164 | pub fn handle_print_peers(swarm: &Swarm<AppBehaviour>) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `handle_print_chain` is never used
[INFO] [stderr]    --> src/p2p.rs:169:8
[INFO] [stderr]     |
[INFO] [stderr] 169 | pub fn handle_print_chain(swarm: &Swarm<AppBehaviour>) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `handle_set_wallet` is never used
[INFO] [stderr]    --> src/p2p.rs:198:8
[INFO] [stderr]     |
[INFO] [stderr] 198 | pub fn handle_set_wallet(cmd: &str, swarm: &mut Swarm<AppBehaviour>) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `handle_print_wallet` is never used
[INFO] [stderr]    --> src/p2p.rs:207:8
[INFO] [stderr]     |
[INFO] [stderr] 207 | pub fn handle_print_wallet(swarm: &mut Swarm<AppBehaviour>) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `handle_create_txn` is never used
[INFO] [stderr]    --> src/p2p.rs:219:8
[INFO] [stderr]     |
[INFO] [stderr] 219 | pub fn handle_create_txn(cmd: &str, swarm: &mut Swarm<AppBehaviour>) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `TRANSACTION_FEE` is never used
[INFO] [stderr]  --> src/transaction.rs:7:11
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub const TRANSACTION_FEE: f64 = 1.0;
[INFO] [stderr]   |           ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/transaction.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 22 | impl TransactionInput {
[INFO] [stderr]    | --------------------- associated function in this implementation
[INFO] [stderr] 23 |     pub fn new(sender_wallet: &mut Wallet, txn_output: &String) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/transaction.rs:40:12
[INFO] [stderr]    |
[INFO] [stderr] 39 | impl TransactionOutput {
[INFO] [stderr]    | ---------------------- associated function in this implementation
[INFO] [stderr] 40 |     pub fn new(to: String, amount: f64, fee: f64) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/transaction.rs:64:19
[INFO] [stderr]    |
[INFO] [stderr] 64 |     DecodeJsonErr(serde_json::Error),
[INFO] [stderr]    |     ------------- ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 64 -     DecodeJsonErr(serde_json::Error),
[INFO] [stderr] 64 +     DecodeJsonErr(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: variant `VerifySigErr` is never constructed
[INFO] [stderr]   --> src/transaction.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 63 | pub enum VerifyTxnError {
[INFO] [stderr]    |          -------------- variant in this enum
[INFO] [stderr] 64 |     DecodeJsonErr(serde_json::Error),
[INFO] [stderr] 65 |     VerifySigErr(VerifySigErr),
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/transaction.rs:69:12
[INFO] [stderr]    |
[INFO] [stderr] 68 | impl Transaction {
[INFO] [stderr]    | ---------------- associated function in this implementation
[INFO] [stderr] 69 |     pub fn new(
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/util.rs:10:20
[INFO] [stderr]    |
[INFO] [stderr] 10 |     DecodeStrError(FromHexError),
[INFO] [stderr]    |     -------------- ^^^^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 10 -     DecodeStrError(FromHexError),
[INFO] [stderr] 10 +     DecodeStrError(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/util.rs:11:20
[INFO] [stderr]    |
[INFO] [stderr] 11 |     DecodeHexError(ed25519_dalek::ed25519::Error),
[INFO] [stderr]    |     -------------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 11 -     DecodeHexError(ed25519_dalek::ed25519::Error),
[INFO] [stderr] 11 +     DecodeHexError(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `id` is never used
[INFO] [stderr]   --> src/util.rs:27:12
[INFO] [stderr]    |
[INFO] [stderr] 26 | impl Util {
[INFO] [stderr]    | --------- associated function in this implementation
[INFO] [stderr] 27 |     pub fn id() -> Uuid {
[INFO] [stderr]    |            ^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `generate_wallet`, `get_keypair`, `get_wallet`, `sign`, `get_public_key`, and `get_balance` are never used
[INFO] [stderr]   --> src/wallet.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | impl Wallet {
[INFO] [stderr]    | ----------- associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 23 |     pub fn generate_wallet() {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 31 |     fn get_keypair(keypair_str: &String) -> Keypair {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 36 |     pub fn get_wallet(keypair: String) -> Wallet {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 40 |     pub fn sign(&mut self, data_hash: &String) -> String {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 44 |     pub fn get_public_key(&mut self) -> String {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 48 |     pub fn get_balance<'a>(&mut self, blockchain: &'a mut Blockchain) -> &'a f64 {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `my-blockchain` (bin "my-blockchain" test) generated 40 warnings (run `cargo fix --bin "my-blockchain" -p my-blockchain --tests` to apply 13 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: snow v0.8.0
[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/lib.rs (/opt/rustwide/target/debug/deps/my_blockchain-fa43dd2f589dbd1e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/my_blockchain-2fe55e09a350e2c8)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests my_blockchain
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a2c49ed452862d22b5ba34dc5824fbf9a76f1827198b17d93b6a2c15413ea8ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2c49ed452862d22b5ba34dc5824fbf9a76f1827198b17d93b6a2c15413ea8ba", kill_on_drop: false }`
[INFO] [stdout] a2c49ed452862d22b5ba34dc5824fbf9a76f1827198b17d93b6a2c15413ea8ba
