[INFO] cloning repository https://github.com/furkanaknc/patika-rust-bootcamp-adding-error-handling-to-the-basic-bank-system
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/furkanaknc/patika-rust-bootcamp-adding-error-handling-to-the-basic-bank-system" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffurkanaknc%2Fpatika-rust-bootcamp-adding-error-handling-to-the-basic-bank-system", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffurkanaknc%2Fpatika-rust-bootcamp-adding-error-handling-to-the-basic-bank-system'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b340ff4ecc798cf60fcc46bc1b9fa572681f7ba9
[INFO] testing furkanaknc/patika-rust-bootcamp-adding-error-handling-to-the-basic-bank-system against 1.99.0-beta.8 for beta-1.100-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffurkanaknc%2Fpatika-rust-bootcamp-adding-error-handling-to-the-basic-bank-system" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/furkanaknc/patika-rust-bootcamp-adding-error-handling-to-the-basic-bank-system
[INFO] finished tweaking git repo https://github.com/furkanaknc/patika-rust-bootcamp-adding-error-handling-to-the-basic-bank-system
[INFO] tweaked toml for git repo https://github.com/furkanaknc/patika-rust-bootcamp-adding-error-handling-to-the-basic-bank-system written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/furkanaknc/patika-rust-bootcamp-adding-error-handling-to-the-basic-bank-system on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/furkanaknc/patika-rust-bootcamp-adding-error-handling-to-the-basic-bank-system 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] f005ff72b4fb5a73cf1e3455ce9a5e005f5844922ddd6ee565f2f2639845a320
[INFO] running `Command { std: "docker" "start" "f005ff72b4fb5a73cf1e3455ce9a5e005f5844922ddd6ee565f2f2639845a320", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f005ff72b4fb5a73cf1e3455ce9a5e005f5844922ddd6ee565f2f2639845a320", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f005ff72b4fb5a73cf1e3455ce9a5e005f5844922ddd6ee565f2f2639845a320" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f005ff72b4fb5a73cf1e3455ce9a5e005f5844922ddd6ee565f2f2639845a320", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f005ff72b4fb5a73cf1e3455ce9a5e005f5844922ddd6ee565f2f2639845a320" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling adding-error-handling-to-the-basic-banking-system v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `account_number` and `holder_name` are never read
[INFO] [stdout]   --> src/main.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct BankAccount {
[INFO] [stdout]    |        ----------- fields in this struct
[INFO] [stdout] 35 |     account_number: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 36 |     holder_name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "f005ff72b4fb5a73cf1e3455ce9a5e005f5844922ddd6ee565f2f2639845a320", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f005ff72b4fb5a73cf1e3455ce9a5e005f5844922ddd6ee565f2f2639845a320" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling adding-error-handling-to-the-basic-banking-system v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `account_number` and `holder_name` are never read
[INFO] [stdout]   --> src/main.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct BankAccount {
[INFO] [stdout]    |        ----------- fields in this struct
[INFO] [stdout] 35 |     account_number: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 36 |     holder_name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "f005ff72b4fb5a73cf1e3455ce9a5e005f5844922ddd6ee565f2f2639845a320", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f005ff72b4fb5a73cf1e3455ce9a5e005f5844922ddd6ee565f2f2639845a320" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: fields `account_number` and `holder_name` are never read
[INFO] [stderr]   --> src/main.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 34 | struct BankAccount {
[INFO] [stderr]    |        ----------- fields in this struct
[INFO] [stderr] 35 |     account_number: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 36 |     holder_name: String,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `adding-error-handling-to-the-basic-banking-system` (bin "adding-error-handling-to-the-basic-banking-system" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/adding_error_handling_to_the_basic_banking_system-8c9c0e1c9263a0e7)
[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" "f005ff72b4fb5a73cf1e3455ce9a5e005f5844922ddd6ee565f2f2639845a320", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f005ff72b4fb5a73cf1e3455ce9a5e005f5844922ddd6ee565f2f2639845a320", kill_on_drop: false }`
[INFO] [stdout] f005ff72b4fb5a73cf1e3455ce9a5e005f5844922ddd6ee565f2f2639845a320