[INFO] cloning repository https://github.com/heygogu/rust-day-1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/heygogu/rust-day-1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheygogu%2Frust-day-1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheygogu%2Frust-day-1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d5e157ad07c8114c46f104085ef5274dc7a48851
[INFO] testing heygogu/rust-day-1 against 1.98.0-beta.1 for beta-1.98-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheygogu%2Frust-day-1" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/heygogu/rust-day-1
[INFO] finished tweaking git repo https://github.com/heygogu/rust-day-1
[INFO] tweaked toml for git repo https://github.com/heygogu/rust-day-1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/heygogu/rust-day-1 on toolchain 1.98.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/heygogu/rust-day-1 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" "+1.98.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 8ddb2d727e39dad080868c48251186f9115d949f9b5742b03f363ce370ee5999
[INFO] running `Command { std: "docker" "start" "8ddb2d727e39dad080868c48251186f9115d949f9b5742b03f363ce370ee5999", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ddb2d727e39dad080868c48251186f9115d949f9b5742b03f363ce370ee5999", 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" "8ddb2d727e39dad080868c48251186f9115d949f9b5742b03f363ce370ee5999" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ddb2d727e39dad080868c48251186f9115d949f9b5742b03f363ce370ee5999", 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" "8ddb2d727e39dad080868c48251186f9115d949f9b5742b03f363ce370ee5999" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.179
[INFO] [stderr]    Compiling zerocopy v0.8.31
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling base64ct v1.8.2
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling pem-rfc7468 v0.7.0
[INFO] [stderr]    Compiling der v0.7.10
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling signature v2.2.0
[INFO] [stderr]    Compiling spki v0.7.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling pkcs8 v0.10.2
[INFO] [stderr]    Compiling pkcs1 v0.7.5
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num-bigint-dig v0.8.6
[INFO] [stderr]    Compiling rsa v0.9.10
[INFO] [stderr]    Compiling rust-day-1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let mut dest_idx;
[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: struct `Account` is never constructed
[INFO] [stdout]  --> src/main.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Account {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Transaction` is never constructed
[INFO] [stdout]   --> src/main.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Transaction {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ledger` is never constructed
[INFO] [stdout]   --> src/main.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Ledger {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `add_transaction`, `is_account_valid`, `transferCoins`, and `newAccount` are never used
[INFO] [stdout]   --> src/main.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Ledger {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 28 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     fn add_transaction(&mut self, source_acc: usize, dest_acc: usize, amount: usize) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     fn is_account_valid(&mut self, idx: usize) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     fn transferCoins(&mut self, source_acc: usize, dest_acc: usize, amount: usize) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |     fn newAccount(&mut self) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `transferCoins` should have a snake case name
[INFO] [stdout]   --> src/main.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn transferCoins(&mut self, source_acc: usize, dest_acc: usize, amount: usize) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^ help: convert the identifier to snake case: `transfer_coins`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `newAccount` should have a snake case name
[INFO] [stdout]   --> src/main.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn newAccount(&mut self) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^ help: convert the identifier to snake case: `new_account`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.88s
[INFO] running `Command { std: "docker" "inspect" "8ddb2d727e39dad080868c48251186f9115d949f9b5742b03f363ce370ee5999", 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" "8ddb2d727e39dad080868c48251186f9115d949f9b5742b03f363ce370ee5999" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-day-1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let mut dest_idx;
[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: struct `Account` is never constructed
[INFO] [stdout]  --> src/main.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Account {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Transaction` is never constructed
[INFO] [stdout]   --> src/main.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Transaction {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ledger` is never constructed
[INFO] [stdout]   --> src/main.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Ledger {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `add_transaction`, `is_account_valid`, `transferCoins`, and `newAccount` are never used
[INFO] [stdout]   --> src/main.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Ledger {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 28 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     fn add_transaction(&mut self, source_acc: usize, dest_acc: usize, amount: usize) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     fn is_account_valid(&mut self, idx: usize) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     fn transferCoins(&mut self, source_acc: usize, dest_acc: usize, amount: usize) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |     fn newAccount(&mut self) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `transferCoins` should have a snake case name
[INFO] [stdout]   --> src/main.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn transferCoins(&mut self, source_acc: usize, dest_acc: usize, amount: usize) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^ help: convert the identifier to snake case: `transfer_coins`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `newAccount` should have a snake case name
[INFO] [stdout]   --> src/main.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn newAccount(&mut self) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^ help: convert the identifier to snake case: `new_account`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "8ddb2d727e39dad080868c48251186f9115d949f9b5742b03f363ce370ee5999", 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" "8ddb2d727e39dad080868c48251186f9115d949f9b5742b03f363ce370ee5999" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:62:13
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let mut dest_idx;
[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: struct `Account` is never constructed
[INFO] [stderr]  --> src/main.rs:2:8
[INFO] [stderr]   |
[INFO] [stderr] 2 | struct Account {
[INFO] [stderr]   |        ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Transaction` is never constructed
[INFO] [stderr]   --> src/main.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | struct Transaction {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Ledger` is never constructed
[INFO] [stderr]   --> src/main.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 | struct Ledger {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `add_transaction`, `is_account_valid`, `transferCoins`, and `newAccount` are never used
[INFO] [stderr]   --> src/main.rs:28:8
[INFO] [stderr]    |
[INFO] [stderr] 27 | impl Ledger {
[INFO] [stderr]    | ----------- associated items in this implementation
[INFO] [stderr] 28 |     fn new() -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 35 |     fn add_transaction(&mut self, source_acc: usize, dest_acc: usize, amount: usize) -> String {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 46 |     fn is_account_valid(&mut self, idx: usize) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 53 |     fn transferCoins(&mut self, source_acc: usize, dest_acc: usize, amount: usize) -> String {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 74 |     fn newAccount(&mut self) -> usize {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `transferCoins` should have a snake case name
[INFO] [stderr]   --> src/main.rs:53:8
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn transferCoins(&mut self, source_acc: usize, dest_acc: usize, amount: usize) -> String {
[INFO] [stderr]    |        ^^^^^^^^^^^^^ help: convert the identifier to snake case: `transfer_coins`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `newAccount` should have a snake case name
[INFO] [stderr]   --> src/main.rs:74:8
[INFO] [stderr]    |
[INFO] [stderr] 74 |     fn newAccount(&mut self) -> usize {
[INFO] [stderr]    |        ^^^^^^^^^^ help: convert the identifier to snake case: `new_account`
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-day-1` (bin "rust-day-1" test) generated 7 warnings (run `cargo fix --bin "rust-day-1" -p rust-day-1 --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_day_1-63f57c56b2d18f78)
[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" "8ddb2d727e39dad080868c48251186f9115d949f9b5742b03f363ce370ee5999", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ddb2d727e39dad080868c48251186f9115d949f9b5742b03f363ce370ee5999", kill_on_drop: false }`
[INFO] [stdout] 8ddb2d727e39dad080868c48251186f9115d949f9b5742b03f363ce370ee5999