[INFO] cloning repository https://github.com/d2ci8xc5/ledger
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/d2ci8xc5/ledger" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd2ci8xc5%2Fledger", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd2ci8xc5%2Fledger'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4195ba2fecc8f1e73d48eb70dc333ad7a668ea89
[INFO] checking d2ci8xc5/ledger against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd2ci8xc5%2Fledger" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/d2ci8xc5/ledger on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/d2ci8xc5/ledger
[INFO] finished tweaking git repo https://github.com/d2ci8xc5/ledger
[INFO] tweaked toml for git repo https://github.com/d2ci8xc5/ledger written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/d2ci8xc5/ledger 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" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.0.47
[INFO] [stderr]   Downloaded num-traits v0.2.9
[INFO] [stderr]   Downloaded prettytable-rs v0.8.0
[INFO] [stderr]   Downloaded term v0.5.2
[INFO] [stderr]   Downloaded chrono v0.4.9
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 394f818f26f57c11797696ef87d809db9ab9b3610bab11c736701f3c77cafbd6
[INFO] running `Command { std: "docker" "start" "-a" "394f818f26f57c11797696ef87d809db9ab9b3610bab11c736701f3c77cafbd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "394f818f26f57c11797696ef87d809db9ab9b3610bab11c736701f3c77cafbd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "394f818f26f57c11797696ef87d809db9ab9b3610bab11c736701f3c77cafbd6", kill_on_drop: false }`
[INFO] [stdout] 394f818f26f57c11797696ef87d809db9ab9b3610bab11c736701f3c77cafbd6
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f909c345a73e72f47322763e68c862bbcfb8c14611a8a350a99c834bf420f26f
[INFO] running `Command { std: "docker" "start" "-a" "f909c345a73e72f47322763e68c862bbcfb8c14611a8a350a99c834bf420f26f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling num-traits v0.2.9
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]     Checking serde v1.0.102
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]     Checking ledger v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/account.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         (self.name == other.name && self.balance == other.balance && self.id == other.id)
[INFO] [stdout]    |         ^                                                                               ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 26 -         (self.name == other.name && self.balance == other.balance && self.id == other.id)
[INFO] [stdout] 26 +         self.name == other.name && self.balance == other.balance && self.id == other.id
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stdout]    --> src/ledger.rs:118:17
[INFO] [stdout]     |
[INFO] [stdout] 118 |     use serde::{Deserialize, Serialize};
[INFO] [stdout]     |                 ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chrono::prelude::*`
[INFO] [stdout]  --> src/transaction.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use chrono::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/transaction.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::ledger::Ledger`
[INFO] [stdout]  --> src/utils.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::ledger::Ledger;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `help` should have an upper camel case name
[INFO] [stdout]  --> src/command.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     help,
[INFO] [stdout]   |     ^^^^ help: convert the identifier to upper camel case: `Help`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `create_account` should have an upper camel case name
[INFO] [stdout]  --> src/command.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     create_account,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `CreateAccount`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `create_transaction` should have an upper camel case name
[INFO] [stdout]  --> src/command.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     create_transaction,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `CreateTransaction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `list_account` should have an upper camel case name
[INFO] [stdout]  --> src/command.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     list_account,
[INFO] [stdout]   |     ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ListAccount`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `list_transaction` should have an upper camel case name
[INFO] [stdout]  --> src/command.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     list_transaction,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ListTransaction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `save_ledger` should have an upper camel case name
[INFO] [stdout]  --> src/command.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     save_ledger,
[INFO] [stdout]   |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `SaveLedger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `clear_ledger` should have an upper camel case name
[INFO] [stdout]   --> src/command.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     clear_ledger,
[INFO] [stdout]    |     ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ClearLedger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `load_ledger` should have an upper camel case name
[INFO] [stdout]   --> src/command.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     load_ledger,
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `LoadLedger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `quit` should have an upper camel case name
[INFO] [stdout]   --> src/command.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     quit,
[INFO] [stdout]    |     ^^^^ help: convert the identifier to upper camel case: `Quit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `no_save_quit` should have an upper camel case name
[INFO] [stdout]   --> src/command.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     no_save_quit,
[INFO] [stdout]    |     ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `NoSaveQuit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]   --> src/lib.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::fs::File;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/account.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         (self.name == other.name && self.balance == other.balance && self.id == other.id)
[INFO] [stdout]    |         ^                                                                               ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 26 -         (self.name == other.name && self.balance == other.balance && self.id == other.id)
[INFO] [stdout] 26 +         self.name == other.name && self.balance == other.balance && self.id == other.id
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chrono::prelude::*`
[INFO] [stdout]  --> src/transaction.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use chrono::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/transaction.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/transaction.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::account::Account`
[INFO] [stdout]   --> src/transaction.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |     use crate::account::Account;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::ledger::Ledger`
[INFO] [stdout]  --> src/utils.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::ledger::Ledger;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `help` should have an upper camel case name
[INFO] [stdout]  --> src/command.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     help,
[INFO] [stdout]   |     ^^^^ help: convert the identifier to upper camel case: `Help`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `create_account` should have an upper camel case name
[INFO] [stdout]  --> src/command.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     create_account,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `CreateAccount`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `create_transaction` should have an upper camel case name
[INFO] [stdout]  --> src/command.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     create_transaction,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `CreateTransaction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `list_account` should have an upper camel case name
[INFO] [stdout]  --> src/command.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     list_account,
[INFO] [stdout]   |     ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ListAccount`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `list_transaction` should have an upper camel case name
[INFO] [stdout]  --> src/command.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     list_transaction,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ListTransaction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `save_ledger` should have an upper camel case name
[INFO] [stdout]  --> src/command.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     save_ledger,
[INFO] [stdout]   |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `SaveLedger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `clear_ledger` should have an upper camel case name
[INFO] [stdout]   --> src/command.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     clear_ledger,
[INFO] [stdout]    |     ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ClearLedger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `load_ledger` should have an upper camel case name
[INFO] [stdout]   --> src/command.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     load_ledger,
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `LoadLedger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `quit` should have an upper camel case name
[INFO] [stdout]   --> src/command.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     quit,
[INFO] [stdout]    |     ^^^^ help: convert the identifier to upper camel case: `Quit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `no_save_quit` should have an upper camel case name
[INFO] [stdout]   --> src/command.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     no_save_quit,
[INFO] [stdout]    |     ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `NoSaveQuit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]   --> src/lib.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::fs::File;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/account.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |             _ => assert!(false),
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `acc`
[INFO] [stdout]   --> src/account.rs:38:16
[INFO] [stdout]    |
[INFO] [stdout] 38 |             Ok(acc) => assert!(true),
[INFO] [stdout]    |                ^^^ help: if this is intentional, prefix it with an underscore: `_acc`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reason`
[INFO] [stdout]   --> src/account.rs:39:17
[INFO] [stdout]    |
[INFO] [stdout] 39 |             Err(reason) => assert!(false),
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reason`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/account.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 56 |             _ => assert!(false),
[INFO] [stdout]    |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `acc`
[INFO] [stdout]   --> src/account.rs:54:16
[INFO] [stdout]    |
[INFO] [stdout] 54 |             Ok(acc) => assert!(false),
[INFO] [stdout]    |                ^^^ help: if this is intentional, prefix it with an underscore: `_acc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reason`
[INFO] [stdout]   --> src/account.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 |             Err(reason) => (),
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reason`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ledger`
[INFO] [stdout]   --> src/ledger.rs:74:16
[INFO] [stdout]    |
[INFO] [stdout] 74 |             Ok(ledger) => {}
[INFO] [stdout]    |                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ledger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reason`
[INFO] [stdout]   --> src/ledger.rs:75:17
[INFO] [stdout]    |
[INFO] [stdout] 75 |             Err(reason) => {
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reason`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ledger`
[INFO] [stdout]   --> src/ledger.rs:82:16
[INFO] [stdout]    |
[INFO] [stdout] 82 |             Ok(ledger) => {}
[INFO] [stdout]    |                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ledger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reason`
[INFO] [stdout]   --> src/ledger.rs:83:17
[INFO] [stdout]    |
[INFO] [stdout] 83 |             Err(reason) => {
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reason`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reason`
[INFO] [stdout]   --> src/ledger.rs:90:17
[INFO] [stdout]    |
[INFO] [stdout] 90 |             Err(reason) => Err("Unable to parse string to ledger"),
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reason`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ledger`
[INFO] [stdout]    --> src/ledger.rs:125:13
[INFO] [stdout]     |
[INFO] [stdout] 125 |         let ledger = Ledger::new(acc_vec, tx_vec);
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ledger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `serde_ledger`
[INFO] [stdout]    --> src/ledger.rs:154:13
[INFO] [stdout]     |
[INFO] [stdout] 154 |         let serde_ledger: Ledger = serde_json::from_str(&buf.to_string()).unwrap();
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_serde_ledger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ledger`
[INFO] [stdout]   --> src/ledger.rs:74:16
[INFO] [stdout]    |
[INFO] [stdout] 74 |             Ok(ledger) => {}
[INFO] [stdout]    |                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ledger`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reason`
[INFO] [stdout]   --> src/ledger.rs:75:17
[INFO] [stdout]    |
[INFO] [stdout] 75 |             Err(reason) => {
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reason`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ledger`
[INFO] [stdout]   --> src/ledger.rs:82:16
[INFO] [stdout]    |
[INFO] [stdout] 82 |             Ok(ledger) => {}
[INFO] [stdout]    |                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ledger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reason`
[INFO] [stdout]   --> src/ledger.rs:83:17
[INFO] [stdout]    |
[INFO] [stdout] 83 |             Err(reason) => {
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reason`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reason`
[INFO] [stdout]   --> src/ledger.rs:90:17
[INFO] [stdout]    |
[INFO] [stdout] 90 |             Err(reason) => Err("Unable to parse string to ledger"),
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reason`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `date`
[INFO] [stdout]   --> src/transaction.rs:40:16
[INFO] [stdout]    |
[INFO] [stdout] 40 |             Ok(date) => (),
[INFO] [stdout]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_date`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `chrono_except`
[INFO] [stdout]   --> src/transaction.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 |             Err(chrono_except) => return Err("Invalid date"),
[INFO] [stdout]    |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_chrono_except`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/transaction.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |             _ => assert!(false),
[INFO] [stdout]    |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]   --> src/transaction.rs:64:16
[INFO] [stdout]    |
[INFO] [stdout] 64 |             Ok(tx) => (),
[INFO] [stdout]    |                ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reason`
[INFO] [stdout]   --> src/transaction.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |             Err(reason) => assert!(false),
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reason`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/transaction.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |             _ => assert!(false),
[INFO] [stdout]    |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]   --> src/transaction.rs:79:16
[INFO] [stdout]    |
[INFO] [stdout] 79 |             Ok(tx) => assert!(false),
[INFO] [stdout]    |                ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reason`
[INFO] [stdout]   --> src/transaction.rs:80:17
[INFO] [stdout]    |
[INFO] [stdout] 80 |             Err(reason) => (),
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reason`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `date`
[INFO] [stdout]   --> src/transaction.rs:40:16
[INFO] [stdout]    |
[INFO] [stdout] 40 |             Ok(date) => (),
[INFO] [stdout]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_date`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `chrono_except`
[INFO] [stdout]   --> src/transaction.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 |             Err(chrono_except) => return Err("Invalid date"),
[INFO] [stdout]    |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_chrono_except`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/transaction.rs:98:13
[INFO] [stdout]    |
[INFO] [stdout] 98 |             _ => assert!(false),
[INFO] [stdout]    |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]   --> src/transaction.rs:96:16
[INFO] [stdout]    |
[INFO] [stdout] 96 |             Ok(tx) => assert!(false),
[INFO] [stdout]    |                ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reason`
[INFO] [stdout]   --> src/transaction.rs:97:17
[INFO] [stdout]    |
[INFO] [stdout] 97 |             Err(reason) => (),
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reason`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/transaction.rs:115:13
[INFO] [stdout]     |
[INFO] [stdout] 115 |             _ => assert!(false),
[INFO] [stdout]     |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]    --> src/transaction.rs:113:16
[INFO] [stdout]     |
[INFO] [stdout] 113 |             Ok(tx) => assert!(false),
[INFO] [stdout]     |                ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reason`
[INFO] [stdout]    --> src/transaction.rs:114:17
[INFO] [stdout]     |
[INFO] [stdout] 114 |             Err(reason) => (),
[INFO] [stdout]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reason`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lib.rs:187:13
[INFO] [stdout]     |
[INFO] [stdout] 187 |             _ => {
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lib.rs:187:13
[INFO] [stdout]     |
[INFO] [stdout] 187 |             _ => {
[INFO] [stdout]     |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lib.rs:179:21
[INFO] [stdout]     |
[INFO] [stdout] 179 |                     _ => panic!("unknown save error"),
[INFO] [stdout]     |                     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/lib.rs:91:25
[INFO] [stdout]    |
[INFO] [stdout] 91 |                     Err(b) => {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lib.rs:179:21
[INFO] [stdout]     |
[INFO] [stdout] 179 |                     _ => panic!("unknown save error"),
[INFO] [stdout]     |                     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/lib.rs:91:25
[INFO] [stdout]    |
[INFO] [stdout] 91 |                     Err(b) => {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/lib.rs:134:21
[INFO] [stdout]     |
[INFO] [stdout] 134 |                     &entries.push((acc, amount));
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 134 |                     let _ = &entries.push((acc, amount));
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/lib.rs:134:21
[INFO] [stdout]     |
[INFO] [stdout] 134 |                     &entries.push((acc, amount));
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 134 |                     let _ = &entries.push((acc, amount));
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/ledger.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |         file.set_len(0);
[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] 66 |         let _ = file.set_len(0);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ledger.rs:147:9
[INFO] [stdout]     |
[INFO] [stdout] 147 |         ledger.save(&mut tmp_file);
[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] 147 |         let _ = ledger.save(&mut tmp_file);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/ledger.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |         file.set_len(0);
[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] 66 |         let _ = file.set_len(0);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 49 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 29 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.93s
[INFO] running `Command { std: "docker" "inspect" "f909c345a73e72f47322763e68c862bbcfb8c14611a8a350a99c834bf420f26f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f909c345a73e72f47322763e68c862bbcfb8c14611a8a350a99c834bf420f26f", kill_on_drop: false }`
[INFO] [stdout] f909c345a73e72f47322763e68c862bbcfb8c14611a8a350a99c834bf420f26f
