[INFO] cloning repository https://github.com/zengol/exercise_ownership_bank_account
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zengol/exercise_ownership_bank_account" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzengol%2Fexercise_ownership_bank_account", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzengol%2Fexercise_ownership_bank_account'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7946b2f23f2deb90c375746c9b59617bb73f45cd
[INFO] checking zengol/exercise_ownership_bank_account against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzengol%2Fexercise_ownership_bank_account" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/zengol/exercise_ownership_bank_account
[INFO] finished tweaking git repo https://github.com/zengol/exercise_ownership_bank_account
[INFO] tweaked toml for git repo https://github.com/zengol/exercise_ownership_bank_account written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/zengol/exercise_ownership_bank_account on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/zengol/exercise_ownership_bank_account 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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] 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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee39cdfef8e152b98e952d57d5af7508d1b2b00f489b9a6069eba33644fff36d
[INFO] running `Command { std: "docker" "start" "-a" "ee39cdfef8e152b98e952d57d5af7508d1b2b00f489b9a6069eba33644fff36d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee39cdfef8e152b98e952d57d5af7508d1b2b00f489b9a6069eba33644fff36d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee39cdfef8e152b98e952d57d5af7508d1b2b00f489b9a6069eba33644fff36d", kill_on_drop: false }`
[INFO] [stdout] ee39cdfef8e152b98e952d57d5af7508d1b2b00f489b9a6069eba33644fff36d
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e0c4acfc5efdb3acf3c695b5e5f9e8de594472071bf5b4e830b0bea67ceae85
[INFO] running `Command { std: "docker" "start" "-a" "2e0c4acfc5efdb3acf3c695b5e5f9e8de594472071bf5b4e830b0bea67ceae85", kill_on_drop: false }`
[INFO] [stderr]     Checking exercise_bank_account v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `id`, `balance`, and `holder` are never read
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Account {
[INFO] [stdout]   |        ------- fields in this struct
[INFO] [stdout] 3 |     id: u32,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 4 |     balance: i32,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 5 |     holder: String,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Account` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/main.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl Account {
[INFO] [stdout]   | ------------ associated function in this implementation
[INFO] [stdout] 9 |     fn new(id: u32, holder: String) -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `balance`, and `holder` are never read
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Account {
[INFO] [stdout]   |        ------- fields in this struct
[INFO] [stdout] 3 |     id: u32,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 4 |     balance: i32,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 5 |     holder: String,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Account` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/main.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl Account {
[INFO] [stdout]   | ------------ associated function in this implementation
[INFO] [stdout] 9 |     fn new(id: u32, holder: String) -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "2e0c4acfc5efdb3acf3c695b5e5f9e8de594472071bf5b4e830b0bea67ceae85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e0c4acfc5efdb3acf3c695b5e5f9e8de594472071bf5b4e830b0bea67ceae85", kill_on_drop: false }`
[INFO] [stdout] 2e0c4acfc5efdb3acf3c695b5e5f9e8de594472071bf5b4e830b0bea67ceae85