[INFO] cloning repository https://github.com/EccoMoonProject/bank-app [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EccoMoonProject/bank-app" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEccoMoonProject%2Fbank-app", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEccoMoonProject%2Fbank-app'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0e92f11521cd5d28d20373428dd28451cfd98c5c [INFO] testing EccoMoonProject/bank-app against master#23949593103d03a82c7ebc2e84434ce6c6edc561 for pr-115235 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEccoMoonProject%2Fbank-app" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/EccoMoonProject/bank-app on toolchain 23949593103d03a82c7ebc2e84434ce6c6edc561 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23949593103d03a82c7ebc2e84434ce6c6edc561" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/EccoMoonProject/bank-app [INFO] finished tweaking git repo https://github.com/EccoMoonProject/bank-app [INFO] tweaked toml for git repo https://github.com/EccoMoonProject/bank-app written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/EccoMoonProject/bank-app 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" "+23949593103d03a82c7ebc2e84434ce6c6edc561" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded structmeta-derive v0.1.5 [INFO] [stderr] Downloaded rusty-money v0.4.1 [INFO] [stderr] Downloaded structmeta v0.1.5 [INFO] [stderr] Downloaded rust_decimal_macros v1.26.0 [INFO] [stderr] Downloaded attohttpc v0.19.1 [INFO] [stderr] Downloaded ulid v0.5.0 [INFO] [stderr] Downloaded java-properties v1.4.1 [INFO] [stderr] Downloaded serde_ignored v0.1.5 [INFO] [stderr] Downloaded parse-display v0.5.5 [INFO] [stderr] Downloaded parse-display-derive v0.5.5 [INFO] [stderr] Downloaded mockall v0.10.2 [INFO] [stderr] Downloaded duckscript v0.7.3 [INFO] [stderr] Downloaded meval v0.2.0 [INFO] [stderr] Downloaded whoami v1.2.1 [INFO] [stderr] Downloaded rust_decimal v1.26.0 [INFO] [stderr] Downloaded mockall_derive v0.10.2 [INFO] [stderr] Downloaded nom v1.2.4 [INFO] [stderr] Downloaded fragile v1.2.1 [INFO] [stderr] Downloaded pq-sys v0.4.7 [INFO] [stderr] Downloaded git_info v0.1.2 [INFO] [stderr] Downloaded cliparser v0.1.2 [INFO] [stderr] Downloaded ci_info v0.14.5 [INFO] [stderr] Downloaded run_script v0.9.0 [INFO] [stderr] Downloaded rust_info v0.3.2 [INFO] [stderr] Downloaded shell2batch v0.4.4 [INFO] [stderr] Downloaded duckscriptsdk v0.8.13 [INFO] [stderr] Downloaded cargo-make v0.35.15 [INFO] [stderr] Downloaded envmnt v0.10.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23949593103d03a82c7ebc2e84434ce6c6edc561" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 21de995d1cc1e46367a570b9be4e541a388ab3eac51722b0557a10a7d1ddf055 [INFO] running `Command { std: "docker" "start" "-a" "21de995d1cc1e46367a570b9be4e541a388ab3eac51722b0557a10a7d1ddf055", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "21de995d1cc1e46367a570b9be4e541a388ab3eac51722b0557a10a7d1ddf055", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "21de995d1cc1e46367a570b9be4e541a388ab3eac51722b0557a10a7d1ddf055", kill_on_drop: false }` [INFO] [stdout] 21de995d1cc1e46367a570b9be4e541a388ab3eac51722b0557a10a7d1ddf055 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23949593103d03a82c7ebc2e84434ce6c6edc561" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a7d7cfb7ecbbfa4cc9ffc49b9e4810e050b865e74df839bbb2253f048bff5b18 [INFO] running `Command { std: "docker" "start" "-a" "a7d7cfb7ecbbfa4cc9ffc49b9e4810e050b865e74df839bbb2253f048bff5b18", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.43 [INFO] [stderr] Compiling unicode-ident v1.0.3 [INFO] [stderr] Compiling syn v1.0.99 [INFO] [stderr] Compiling libc v0.2.127 [INFO] [stderr] Compiling serde_derive v1.0.143 [INFO] [stderr] Compiling serde v1.0.143 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling ppv-lite86 v0.2.16 [INFO] [stderr] Compiling tokio v1.20.1 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Compiling regex-syntax v0.6.27 [INFO] [stderr] Compiling itoa v1.0.3 [INFO] [stderr] Compiling indexmap v1.9.1 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling encoding_index_tests v0.1.4 [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Compiling tracing-core v0.1.29 [INFO] [stderr] Compiling http v0.2.8 [INFO] [stderr] Compiling kernel32-sys v0.2.2 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[INFO] [stderr] Compiling lenient_semver_version_builder v0.4.2 [INFO] [stderr] Compiling lenient_semver_parser v0.4.2 [INFO] [stderr] Compiling h2 v0.3.13 [INFO] [stderr] Compiling envmnt v0.10.0 [INFO] [stderr] Compiling tower v0.4.13 [INFO] [stderr] Compiling lenient_semver v0.4.2 [INFO] [stderr] Compiling ci_info v0.14.5 [INFO] [stderr] Compiling cargo_metadata v0.15.0 [INFO] [stderr] Compiling duckscriptsdk v0.8.13 [INFO] [stderr] Compiling cargo-make v0.35.15 [INFO] [stderr] Compiling hyper v0.14.20 [INFO] [stderr] Compiling hyper-timeout v0.4.1 [INFO] [stderr] Compiling tonic v0.5.2 [INFO] [stderr] Compiling r2d2-diesel v1.0.0 [INFO] [stderr] Compiling rust-bank v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `hash` [INFO] [stdout] --> src/main.rs:6:15 [INFO] [stdout] | [INFO] [stdout] 6 | use std::{fs, hash}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `thread`, `time` [INFO] [stdout] --> src/main.rs:7:11 [INFO] [stdout] | [INFO] [stdout] 7 | use std::{thread, time}; [INFO] [stdout] | ^^^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `hex_literal::hex` [INFO] [stdout] --> src/auth.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use hex_literal::hex; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Sha512` [INFO] [stdout] --> src/auth.rs:3:28 [INFO] [stdout] | [INFO] [stdout] 3 | use sha2::{Digest, Sha256, Sha512}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt` [INFO] [stdout] --> src/auth.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::fmt; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `thread` [INFO] [stdout] --> src/wallet.rs:4:11 [INFO] [stdout] | [INFO] [stdout] 4 | use std::{thread, time}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Digest` [INFO] [stdout] --> src/auth.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | use sha2::{Digest, Sha256, Sha512}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ten_millis` [INFO] [stdout] --> src/wallet.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | let ten_millis = time::Duration::from_millis(100); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ten_millis` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `user_Wallet` [INFO] [stdout] --> src/wallet.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | let user_Wallet = add_wallet_data(&input_id, &trimmed, &input_currency); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_user_Wallet` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:111:9 [INFO] [stdout] | [INFO] [stdout] 111 | let mut struct_hash: TxHash = serde_json::from_str(&data).expect("Unable to"); [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `deposit_eur` is never used [INFO] [stdout] --> src/main.rs:66:4 [INFO] [stdout] | [INFO] [stdout] 66 | fn deposit_eur(iso_standard: &str) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_eur_data` is never used [INFO] [stdout] --> src/money.rs:42:15 [INFO] [stdout] | [INFO] [stdout] 42 | pub(crate) fn get_eur_data(amount: i64,name: &str) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:46:5 [INFO] [stdout] | [INFO] [stdout] 46 | fs::write(path, updated_wallet); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 46 | let _ = fs::write(path, updated_wallet); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:100:5 [INFO] [stdout] | [INFO] [stdout] 100 | fs::write("./src/data/wallet.json", updated_wallet); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 100 | let _ = fs::write("./src/data/wallet.json", updated_wallet); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:158:13 [INFO] [stdout] | [INFO] [stdout] 158 | fs::write(path, updated_wallet); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 158 | let _ = fs::write(path, updated_wallet); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:159:13 [INFO] [stdout] | [INFO] [stdout] 159 | fs::write(path_credits, updated_credits); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 159 | let _ = fs::write(path_credits, updated_credits); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/auth.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 41 | fs::write("./src/data/txhash.json", serialized); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 41 | let _ = fs::write("./src/data/txhash.json", serialized); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `idData` should have a snake case name [INFO] [stdout] --> src/wallet.rs:13:31 [INFO] [stdout] | [INFO] [stdout] 13 | pub(crate) fn add_wallet_data(idData: &String, depositData: &u128, currencyData: &String) { [INFO] [stdout] | ^^^^^^ help: convert the identifier to snake case: `id_data` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `depositData` should have a snake case name [INFO] [stdout] --> src/wallet.rs:13:48 [INFO] [stdout] | [INFO] [stdout] 13 | pub(crate) fn add_wallet_data(idData: &String, depositData: &u128, currencyData: &String) { [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to snake case: `deposit_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `currencyData` should have a snake case name [INFO] [stdout] --> src/wallet.rs:13:68 [INFO] [stdout] | [INFO] [stdout] 13 | pub(crate) fn add_wallet_data(idData: &String, depositData: &u128, currencyData: &String) { [INFO] [stdout] | ^^^^^^^^^^^^ help: convert the identifier to snake case: `currency_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/wallet.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | fs::write("src/data/wallet.json", serialized); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 22 | let _ = fs::write("src/data/wallet.json", serialized); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `user_Wallet` should have a snake case name [INFO] [stdout] --> src/wallet.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | let user_Wallet = add_wallet_data(&input_id, &trimmed, &input_currency); [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `user_wallet` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/credits.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | fs::write("src/data/credits.json", serialized); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 19 | let _ = fs::write("src/data/credits.json", serialized); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 23 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 25.00s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: fs_extra v1.2.0, nom v1.2.4 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "a7d7cfb7ecbbfa4cc9ffc49b9e4810e050b865e74df839bbb2253f048bff5b18", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a7d7cfb7ecbbfa4cc9ffc49b9e4810e050b865e74df839bbb2253f048bff5b18", kill_on_drop: false }` [INFO] [stdout] a7d7cfb7ecbbfa4cc9ffc49b9e4810e050b865e74df839bbb2253f048bff5b18 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23949593103d03a82c7ebc2e84434ce6c6edc561" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e5d284ab7a6cbe2a7772a4103c424c0cefeb1b1c8ead405c60fb40c5da8f20a4 [INFO] running `Command { std: "docker" "start" "-a" "e5d284ab7a6cbe2a7772a4103c424c0cefeb1b1c8ead405c60fb40c5da8f20a4", kill_on_drop: false }` [INFO] [stderr] Compiling rust-bank v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `hash` [INFO] [stdout] --> src/main.rs:6:15 [INFO] [stdout] | [INFO] [stdout] 6 | use std::{fs, hash}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `thread`, `time` [INFO] [stdout] --> src/main.rs:7:11 [INFO] [stdout] | [INFO] [stdout] 7 | use std::{thread, time}; [INFO] [stdout] | ^^^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `hex_literal::hex` [INFO] [stdout] --> src/auth.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use hex_literal::hex; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Sha512` [INFO] [stdout] --> src/auth.rs:3:28 [INFO] [stdout] | [INFO] [stdout] 3 | use sha2::{Digest, Sha256, Sha512}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt` [INFO] [stdout] --> src/auth.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::fmt; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `thread` [INFO] [stdout] --> src/wallet.rs:4:11 [INFO] [stdout] | [INFO] [stdout] 4 | use std::{thread, time}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Digest` [INFO] [stdout] --> src/auth.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | use sha2::{Digest, Sha256, Sha512}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ten_millis` [INFO] [stdout] --> src/wallet.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | let ten_millis = time::Duration::from_millis(100); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ten_millis` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `user_Wallet` [INFO] [stdout] --> src/wallet.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | let user_Wallet = add_wallet_data(&input_id, &trimmed, &input_currency); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_user_Wallet` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:111:9 [INFO] [stdout] | [INFO] [stdout] 111 | let mut struct_hash: TxHash = serde_json::from_str(&data).expect("Unable to"); [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `deposit_eur` is never used [INFO] [stdout] --> src/main.rs:66:4 [INFO] [stdout] | [INFO] [stdout] 66 | fn deposit_eur(iso_standard: &str) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_eur_data` is never used [INFO] [stdout] --> src/money.rs:42:15 [INFO] [stdout] | [INFO] [stdout] 42 | pub(crate) fn get_eur_data(amount: i64,name: &str) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:46:5 [INFO] [stdout] | [INFO] [stdout] 46 | fs::write(path, updated_wallet); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 46 | let _ = fs::write(path, updated_wallet); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:100:5 [INFO] [stdout] | [INFO] [stdout] 100 | fs::write("./src/data/wallet.json", updated_wallet); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 100 | let _ = fs::write("./src/data/wallet.json", updated_wallet); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:158:13 [INFO] [stdout] | [INFO] [stdout] 158 | fs::write(path, updated_wallet); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 158 | let _ = fs::write(path, updated_wallet); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:159:13 [INFO] [stdout] | [INFO] [stdout] 159 | fs::write(path_credits, updated_credits); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 159 | let _ = fs::write(path_credits, updated_credits); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/auth.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 41 | fs::write("./src/data/txhash.json", serialized); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 41 | let _ = fs::write("./src/data/txhash.json", serialized); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `idData` should have a snake case name [INFO] [stdout] --> src/wallet.rs:13:31 [INFO] [stdout] | [INFO] [stdout] 13 | pub(crate) fn add_wallet_data(idData: &String, depositData: &u128, currencyData: &String) { [INFO] [stdout] | ^^^^^^ help: convert the identifier to snake case: `id_data` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `depositData` should have a snake case name [INFO] [stdout] --> src/wallet.rs:13:48 [INFO] [stdout] | [INFO] [stdout] 13 | pub(crate) fn add_wallet_data(idData: &String, depositData: &u128, currencyData: &String) { [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to snake case: `deposit_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `currencyData` should have a snake case name [INFO] [stdout] --> src/wallet.rs:13:68 [INFO] [stdout] | [INFO] [stdout] 13 | pub(crate) fn add_wallet_data(idData: &String, depositData: &u128, currencyData: &String) { [INFO] [stdout] | ^^^^^^^^^^^^ help: convert the identifier to snake case: `currency_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/wallet.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | fs::write("src/data/wallet.json", serialized); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 22 | let _ = fs::write("src/data/wallet.json", serialized); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `user_Wallet` should have a snake case name [INFO] [stdout] --> src/wallet.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | let user_Wallet = add_wallet_data(&input_id, &trimmed, &input_currency); [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `user_wallet` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/credits.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | fs::write("src/data/credits.json", serialized); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 19 | let _ = fs::write("src/data/credits.json", serialized); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 23 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.69s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: fs_extra v1.2.0, nom v1.2.4 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "e5d284ab7a6cbe2a7772a4103c424c0cefeb1b1c8ead405c60fb40c5da8f20a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e5d284ab7a6cbe2a7772a4103c424c0cefeb1b1c8ead405c60fb40c5da8f20a4", kill_on_drop: false }` [INFO] [stdout] e5d284ab7a6cbe2a7772a4103c424c0cefeb1b1c8ead405c60fb40c5da8f20a4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23949593103d03a82c7ebc2e84434ce6c6edc561" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] ac4dadf5513aa03c80d9fb8f70e1cf795aaa49d2764af22064864888d42913af [INFO] running `Command { std: "docker" "start" "-a" "ac4dadf5513aa03c80d9fb8f70e1cf795aaa49d2764af22064864888d42913af", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `hash` [INFO] [stderr] --> src/main.rs:6:15 [INFO] [stderr] | [INFO] [stderr] 6 | use std::{fs, hash}; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `thread`, `time` [INFO] [stderr] --> src/main.rs:7:11 [INFO] [stderr] | [INFO] [stderr] 7 | use std::{thread, time}; [INFO] [stderr] | ^^^^^^ ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `hex_literal::hex` [INFO] [stderr] --> src/auth.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use hex_literal::hex; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Sha512` [INFO] [stderr] --> src/auth.rs:3:28 [INFO] [stderr] | [INFO] [stderr] 3 | use sha2::{Digest, Sha256, Sha512}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fmt` [INFO] [stderr] --> src/auth.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::fmt; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `thread` [INFO] [stderr] --> src/wallet.rs:4:11 [INFO] [stderr] | [INFO] [stderr] 4 | use std::{thread, time}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Digest` [INFO] [stderr] --> src/auth.rs:3:12 [INFO] [stderr] | [INFO] [stderr] 3 | use sha2::{Digest, Sha256, Sha512}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ten_millis` [INFO] [stderr] --> src/wallet.rs:25:9 [INFO] [stderr] | [INFO] [stderr] 25 | let ten_millis = time::Duration::from_millis(100); [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ten_millis` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `user_Wallet` [INFO] [stderr] --> src/wallet.rs:55:9 [INFO] [stderr] | [INFO] [stderr] 55 | let user_Wallet = add_wallet_data(&input_id, &trimmed, &input_currency); [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_user_Wallet` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:111:9 [INFO] [stderr] | [INFO] [stderr] 111 | let mut struct_hash: TxHash = serde_json::from_str(&data).expect("Unable to"); [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `deposit_eur` is never used [INFO] [stderr] --> src/main.rs:66:4 [INFO] [stderr] | [INFO] [stderr] 66 | fn deposit_eur(iso_standard: &str) { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `get_eur_data` is never used [INFO] [stderr] --> src/money.rs:42:15 [INFO] [stderr] | [INFO] [stderr] 42 | pub(crate) fn get_eur_data(amount: i64,name: &str) { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:46:5 [INFO] [stderr] | [INFO] [stderr] 46 | fs::write(path, updated_wallet); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 46 | let _ = fs::write(path, updated_wallet); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:100:5 [INFO] [stderr] | [INFO] [stderr] 100 | fs::write("./src/data/wallet.json", updated_wallet); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 100 | let _ = fs::write("./src/data/wallet.json", updated_wallet); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:158:13 [INFO] [stderr] | [INFO] [stderr] 158 | fs::write(path, updated_wallet); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 158 | let _ = fs::write(path, updated_wallet); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:159:13 [INFO] [stderr] | [INFO] [stderr] 159 | fs::write(path_credits, updated_credits); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 159 | let _ = fs::write(path_credits, updated_credits); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/auth.rs:41:5 [INFO] [stderr] | [INFO] [stderr] 41 | fs::write("./src/data/txhash.json", serialized); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 41 | let _ = fs::write("./src/data/txhash.json", serialized); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: variable `idData` should have a snake case name [INFO] [stderr] --> src/wallet.rs:13:31 [INFO] [stderr] | [INFO] [stderr] 13 | pub(crate) fn add_wallet_data(idData: &String, depositData: &u128, currencyData: &String) { [INFO] [stderr] | ^^^^^^ help: convert the identifier to snake case: `id_data` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `depositData` should have a snake case name [INFO] [stderr] --> src/wallet.rs:13:48 [INFO] [stderr] | [INFO] [stderr] 13 | pub(crate) fn add_wallet_data(idData: &String, depositData: &u128, currencyData: &String) { [INFO] [stderr] | ^^^^^^^^^^^ help: convert the identifier to snake case: `deposit_data` [INFO] [stderr] [INFO] [stderr] warning: variable `currencyData` should have a snake case name [INFO] [stderr] --> src/wallet.rs:13:68 [INFO] [stderr] | [INFO] [stderr] 13 | pub(crate) fn add_wallet_data(idData: &String, depositData: &u128, currencyData: &String) { [INFO] [stderr] | ^^^^^^^^^^^^ help: convert the identifier to snake case: `currency_data` [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/wallet.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | fs::write("src/data/wallet.json", serialized); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 22 | let _ = fs::write("src/data/wallet.json", serialized); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: variable `user_Wallet` should have a snake case name [INFO] [stderr] --> src/wallet.rs:55:9 [INFO] [stderr] | [INFO] [stderr] 55 | let user_Wallet = add_wallet_data(&input_id, &trimmed, &input_currency); [INFO] [stderr] | ^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `user_wallet` [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/credits.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | fs::write("src/data/credits.json", serialized); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 19 | let _ = fs::write("src/data/credits.json", serialized); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `rust-bank` (bin "rust-bank" test) generated 23 warnings (run `cargo fix --bin "rust-bank" --tests` to apply 9 suggestions) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.12s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: fs_extra v1.2.0, nom v1.2.4 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_bank-5695f292d89e113c) [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" "ac4dadf5513aa03c80d9fb8f70e1cf795aaa49d2764af22064864888d42913af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac4dadf5513aa03c80d9fb8f70e1cf795aaa49d2764af22064864888d42913af", kill_on_drop: false }` [INFO] [stdout] ac4dadf5513aa03c80d9fb8f70e1cf795aaa49d2764af22064864888d42913af