[INFO] cloning repository https://github.com/YoonhoKim0527/rust_blockchain_yoonho
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/YoonhoKim0527/rust_blockchain_yoonho" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYoonhoKim0527%2Frust_blockchain_yoonho", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYoonhoKim0527%2Frust_blockchain_yoonho'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 11cc1bdd9d4d0fdbfa7395a911d5884648e9f99e
[INFO] checking YoonhoKim0527/rust_blockchain_yoonho against master#c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2 for pr-142712
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYoonhoKim0527%2Frust_blockchain_yoonho" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/YoonhoKim0527/rust_blockchain_yoonho
[INFO] finished tweaking git repo https://github.com/YoonhoKim0527/rust_blockchain_yoonho
[INFO] tweaked toml for git repo https://github.com/YoonhoKim0527/rust_blockchain_yoonho written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/YoonhoKim0527/rust_blockchain_yoonho on toolchain c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/YoonhoKim0527/rust_blockchain_yoonho 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" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fcc880a9c490ed219ca2add3d857c2002ee0524f617d2b408095e392914780d3
[INFO] running `Command { std: "docker" "start" "-a" "fcc880a9c490ed219ca2add3d857c2002ee0524f617d2b408095e392914780d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fcc880a9c490ed219ca2add3d857c2002ee0524f617d2b408095e392914780d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcc880a9c490ed219ca2add3d857c2002ee0524f617d2b408095e392914780d3", kill_on_drop: false }`
[INFO] [stdout] fcc880a9c490ed219ca2add3d857c2002ee0524f617d2b408095e392914780d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28ce6ac69a4751eb891d00692fc7b5ed9fd9abc6926d1ae49a4d68070929ef73
[INFO] running `Command { std: "docker" "start" "-a" "28ce6ac69a4751eb891d00692fc7b5ed9fd9abc6926d1ae49a4d68070929ef73", kill_on_drop: false }`
[INFO] [stderr]     Checking aa v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let result = match minu_tier {
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Diamond` and `Master` are never constructed
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Tier {
[INFO] [stdout]   |      ---- variants in this enum
[INFO] [stdout] 2 |     Platinum,
[INFO] [stdout] 3 |     Diamond,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 4 |     Master,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let result = match minu_tier {
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Diamond` and `Master` are never constructed
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Tier {
[INFO] [stdout]   |      ---- variants in this enum
[INFO] [stdout] 2 |     Platinum,
[INFO] [stdout] 3 |     Diamond,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 4 |     Master,
[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 0.21s
[INFO] running `Command { std: "docker" "inspect" "28ce6ac69a4751eb891d00692fc7b5ed9fd9abc6926d1ae49a4d68070929ef73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28ce6ac69a4751eb891d00692fc7b5ed9fd9abc6926d1ae49a4d68070929ef73", kill_on_drop: false }`
[INFO] [stdout] 28ce6ac69a4751eb891d00692fc7b5ed9fd9abc6926d1ae49a4d68070929ef73