[INFO] cloning repository https://github.com/MRGRAVITY817/rust-coin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MRGRAVITY817/rust-coin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMRGRAVITY817%2Frust-coin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMRGRAVITY817%2Frust-coin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0999f63d59dbf572e15f2b46e9df2bb4945b5425
[INFO] testing MRGRAVITY817/rust-coin against 1.69.0 for beta-1.70-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMRGRAVITY817%2Frust-coin" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MRGRAVITY817/rust-coin on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MRGRAVITY817/rust-coin
[INFO] finished tweaking git repo https://github.com/MRGRAVITY817/rust-coin
[INFO] tweaked toml for git repo https://github.com/MRGRAVITY817/rust-coin written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/MRGRAVITY817/rust-coin 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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded axum-core v0.1.1
[INFO] [stderr]   Downloaded axum v0.4.5
[INFO] [stderr]   Downloaded tower-http v0.2.2
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 935c63e78f0f5ba42b83238d718a9b5263b9f96571ac8afb736cc3835d8a6b25
[INFO] running `Command { std: "docker" "start" "-a" "935c63e78f0f5ba42b83238d718a9b5263b9f96571ac8afb736cc3835d8a6b25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "935c63e78f0f5ba42b83238d718a9b5263b9f96571ac8afb736cc3835d8a6b25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "935c63e78f0f5ba42b83238d718a9b5263b9f96571ac8afb736cc3835d8a6b25", kill_on_drop: false }`
[INFO] [stdout] 935c63e78f0f5ba42b83238d718a9b5263b9f96571ac8afb736cc3835d8a6b25
[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=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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1245e77b0ccb33f2bf12e50e9c2c7afd9cb034f5e0fafc96f38d1eed8c8731f
[INFO] running `Command { std: "docker" "start" "-a" "e1245e77b0ccb33f2bf12e50e9c2c7afd9cb034f5e0fafc96f38d1eed8c8731f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling libc v0.2.117
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[INFO] [stderr]    Compiling pin-project-lite v0.2.8
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[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling pin-utils v0.1.0
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[INFO] [stderr]    Compiling tracing-core v0.1.22
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[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
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[INFO] [stderr]    Compiling num_cpus v1.13.1
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[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling sync_wrapper v0.1.1
[INFO] [stderr]    Compiling cpufeatures v0.2.1
[INFO] [stderr]    Compiling matchit v0.4.6
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[INFO] [stderr]    Compiling block-buffer v0.10.2
[INFO] [stderr]    Compiling crypto-common v0.1.2
[INFO] [stderr]    Compiling http-body v0.4.4
[INFO] [stderr]    Compiling digest v0.10.2
[INFO] [stderr]    Compiling tower-http v0.2.2
[INFO] [stderr]    Compiling sha2 v0.10.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.19
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling clap_derive v3.0.14
[INFO] [stderr]    Compiling tokio v1.16.1
[INFO] [stderr]    Compiling axum-core v0.1.1
[INFO] [stderr]    Compiling tracing v0.1.30
[INFO] [stderr]    Compiling pin-project v1.0.10
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling clap v3.0.14
[INFO] [stderr]    Compiling tokio-util v0.6.9
[INFO] [stderr]    Compiling tower v0.4.11
[INFO] [stderr]    Compiling hyper v0.14.16
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling axum v0.4.5
[INFO] [stderr]    Compiling rust-coin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/utils.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/blockchain/chain.rs:64:25
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn blocks(&self) -> Vec<&Block> {
[INFO] [stdout]    |        ------           ^^^^^^^^^^^ expected `Vec<&Block>`, found `()`
[INFO] [stdout]    |        |
[INFO] [stdout]    |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `Vec<&Block>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-coin` due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "e1245e77b0ccb33f2bf12e50e9c2c7afd9cb034f5e0fafc96f38d1eed8c8731f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1245e77b0ccb33f2bf12e50e9c2c7afd9cb034f5e0fafc96f38d1eed8c8731f", kill_on_drop: false }`
[INFO] [stdout] e1245e77b0ccb33f2bf12e50e9c2c7afd9cb034f5e0fafc96f38d1eed8c8731f
