[INFO] cloning repository https://github.com/chasangchual/rust-data-structures-and-algorithms
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[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchasangchual%2Frust-data-structures-and-algorithms'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 63101a29e41a583668f3cc8a3ff430d1a0d3a1b7
[INFO] checking chasangchual/rust-data-structures-and-algorithms against master#0fb279be1d96464c69209053ef0f97ad63088cda for pr-143857
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[INFO] started tweaking git repo https://github.com/chasangchual/rust-data-structures-and-algorithms
[INFO] finished tweaking git repo https://github.com/chasangchual/rust-data-structures-and-algorithms
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[INFO] validating manifest of git repo https://github.com/chasangchual/rust-data-structures-and-algorithms on toolchain 0fb279be1d96464c69209053ef0f97ad63088cda
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0fb279be1d96464c69209053ef0f97ad63088cda" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/chasangchual/rust-data-structures-and-algorithms 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" "+0fb279be1d96464c69209053ef0f97ad63088cda" "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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0fb279be1d96464c69209053ef0f97ad63088cda" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df970bf00bf0948bc330f05dc132004823a37fb47de6bf7f0adbace3e268f91f
[INFO] running `Command { std: "docker" "start" "-a" "df970bf00bf0948bc330f05dc132004823a37fb47de6bf7f0adbace3e268f91f", kill_on_drop: false }`
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[INFO] [stdout] df970bf00bf0948bc330f05dc132004823a37fb47de6bf7f0adbace3e268f91f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0fb279be1d96464c69209053ef0f97ad63088cda" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d17dff86f99b571ce8a3c62c31fff6bbabb4132021677f117c4cc20a5bda052b
[INFO] running `Command { std: "docker" "start" "-a" "d17dff86f99b571ce8a3c62c31fff6bbabb4132021677f117c4cc20a5bda052b", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-data-structures-and-algorithms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/data_structure/linked_list.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Add`
[INFO] [stdout]  --> src/getting_started/credit_card_number_validator.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::Add;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `heap_stack::structure::*`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use heap_stack::structure::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/data_structure/linked_list.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Add`
[INFO] [stdout]  --> src/getting_started/credit_card_number_validator.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::Add;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `heap_stack::structure::*`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use heap_stack::structure::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lh`
[INFO] [stdout]  --> src/getting_started/multiplication_table.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let lh:i8 = 1;
[INFO] [stdout]   |         ^^ help: if this is intentional, prefix it with an underscore: `_lh`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rh`
[INFO] [stdout]  --> src/getting_started/multiplication_table.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let rh:i8 = 1;
[INFO] [stdout]   |         ^^ help: if this is intentional, prefix it with an underscore: `_rh`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `is_valid` is never read
[INFO] [stdout]   --> src/getting_started/credit_card_number_validator.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let mut is_valid = false;
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/getting_started/credit_card_number_validator.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let mut numbers: Vec<_> = credit_card_number.chars().collect();
[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: struct `MyStructure` is never constructed
[INFO] [stdout]  --> src/heap_stack/structure.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct MyStructure {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `size_of_structure` is never used
[INFO] [stdout]  --> src/heap_stack/structure.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn size_of_structure() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]  --> src/data_structure/linked_list.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Node<T> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/data_structure/linked_list.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl<T> Node<T> {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 15 |     fn new(t: T) -> Node<T> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `say_hello` is never used
[INFO] [stdout]  --> src/getting_started/hello_world.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn say_hello(hello: String) {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_multiplication_table` is never used
[INFO] [stdout]  --> src/getting_started/multiplication_table.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn print_multiplication_table() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lh`
[INFO] [stdout]  --> src/getting_started/multiplication_table.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let lh:i8 = 1;
[INFO] [stdout]   |         ^^ help: if this is intentional, prefix it with an underscore: `_lh`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rh`
[INFO] [stdout]  --> src/getting_started/multiplication_table.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let rh:i8 = 1;
[INFO] [stdout]   |         ^^ help: if this is intentional, prefix it with an underscore: `_rh`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/getting_started/credit_card_number_validator.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     stdout.write_all(b"Enter credit card number to validate: ");
[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] 10 |     let _ = stdout.write_all(b"Enter credit card number to validate: ");
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/getting_started/credit_card_number_validator.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     stdout.flush();
[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] 11 |     let _ = stdout.flush();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/getting_started/credit_card_number_validator.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     stdin.read_line(&mut input);
[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] 13 |     let _ = stdin.read_line(&mut input);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `is_valid` is never read
[INFO] [stdout]   --> src/getting_started/credit_card_number_validator.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let mut is_valid = false;
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/getting_started/credit_card_number_validator.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let mut numbers: Vec<_> = credit_card_number.chars().collect();
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/getting_started/credit_card_number_validator.rs:121:17
[INFO] [stdout]     |
[INFO] [stdout] 121 |             let mut is_valid = luhn_validation(&mut trimmed);
[INFO] [stdout]     |                 ----^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/getting_started/credit_card_number_validator.rs:130:17
[INFO] [stdout]     |
[INFO] [stdout] 130 |             let mut is_valid = luhn_validation(&mut trimmed);
[INFO] [stdout]     |                 ----^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/getting_started/credit_card_number_validator.rs:139:17
[INFO] [stdout]     |
[INFO] [stdout] 139 |             let mut is_valid = luhn_validation(&mut trimmed);
[INFO] [stdout]     |                 ----^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/getting_started/credit_card_number_validator.rs:148:17
[INFO] [stdout]     |
[INFO] [stdout] 148 |             let mut is_valid = luhn_validation(&mut trimmed);
[INFO] [stdout]     |                 ----^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/getting_started/credit_card_number_validator.rs:158:17
[INFO] [stdout]     |
[INFO] [stdout] 158 |             let mut is_valid = luhn_validation(&mut trimmed);
[INFO] [stdout]     |                 ----^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/getting_started/credit_card_number_validator.rs:167:17
[INFO] [stdout]     |
[INFO] [stdout] 167 |             let mut is_valid = luhn_validation(&mut trimmed);
[INFO] [stdout]     |                 ----^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MyStructure` is never constructed
[INFO] [stdout]  --> src/heap_stack/structure.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct MyStructure {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `size_of_structure` is never used
[INFO] [stdout]  --> src/heap_stack/structure.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn size_of_structure() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]  --> src/data_structure/linked_list.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Node<T> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/data_structure/linked_list.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl<T> Node<T> {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 15 |     fn new(t: T) -> Node<T> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `say_hello` is never used
[INFO] [stdout]  --> src/getting_started/hello_world.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn say_hello(hello: String) {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_multiplication_table` is never used
[INFO] [stdout]  --> src/getting_started/multiplication_table.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn print_multiplication_table() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/getting_started/credit_card_number_validator.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     stdout.write_all(b"Enter credit card number to validate: ");
[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] 10 |     let _ = stdout.write_all(b"Enter credit card number to validate: ");
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/getting_started/credit_card_number_validator.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     stdout.flush();
[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] 11 |     let _ = stdout.flush();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/getting_started/credit_card_number_validator.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     stdin.read_line(&mut input);
[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] 13 |     let _ = stdin.read_line(&mut input);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `visa_valid_card_numbers` should have an upper case name
[INFO] [stdout]   --> src/getting_started/credit_card_number_validator.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 87 |     static visa_valid_card_numbers: [&str; 3] = ["4556 1062 7579 9778", "4716 4406 0243 3257", "4716 0322 4157 1264"];
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]    |
[INFO] [stdout] 87 -     static visa_valid_card_numbers: [&str; 3] = ["4556 1062 7579 9778", "4716 4406 0243 3257", "4716 0322 4157 1264"];
[INFO] [stdout] 87 +     static VISA_VALID_CARD_NUMBERS: [&str; 3] = ["4556 1062 7579 9778", "4716 4406 0243 3257", "4716 0322 4157 1264"];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `visa_invalid_card_numbers` should have an upper case name
[INFO] [stdout]   --> src/getting_started/credit_card_number_validator.rs:88:12
[INFO] [stdout]    |
[INFO] [stdout] 88 |     static visa_invalid_card_numbers: [&str; 3] = ["4556 1062 7679 9778", "4726 4406 0243 3257", "4716 0322 4157 1263"];
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]    |
[INFO] [stdout] 88 -     static visa_invalid_card_numbers: [&str; 3] = ["4556 1062 7679 9778", "4726 4406 0243 3257", "4716 0322 4157 1263"];
[INFO] [stdout] 88 +     static VISA_INVALID_CARD_NUMBERS: [&str; 3] = ["4556 1062 7679 9778", "4726 4406 0243 3257", "4716 0322 4157 1263"];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `master_valid_card_numbers` should have an upper case name
[INFO] [stdout]   --> src/getting_started/credit_card_number_validator.rs:90:12
[INFO] [stdout]    |
[INFO] [stdout] 90 |     static master_valid_card_numbers: [&str; 3] = ["5267 9875 4815 4322", "5429 3879 9678 8066", "5191 3189 9111 3444"];
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]    |
[INFO] [stdout] 90 -     static master_valid_card_numbers: [&str; 3] = ["5267 9875 4815 4322", "5429 3879 9678 8066", "5191 3189 9111 3444"];
[INFO] [stdout] 90 +     static MASTER_VALID_CARD_NUMBERS: [&str; 3] = ["5267 9875 4815 4322", "5429 3879 9678 8066", "5191 3189 9111 3444"];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `master_invalid_card_numbers` should have an upper case name
[INFO] [stdout]   --> src/getting_started/credit_card_number_validator.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 91 |     static master_invalid_card_numbers: [&str; 3] = ["5267 9875 4825 4322", "5429 3899 9678 8066", "5191 2189 9111 3444"];
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]    |
[INFO] [stdout] 91 -     static master_invalid_card_numbers: [&str; 3] = ["5267 9875 4825 4322", "5429 3899 9678 8066", "5191 2189 9111 3444"];
[INFO] [stdout] 91 +     static MASTER_INVALID_CARD_NUMBERS: [&str; 3] = ["5267 9875 4825 4322", "5429 3899 9678 8066", "5191 2189 9111 3444"];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `amex_valid_card_numbers` should have an upper case name
[INFO] [stdout]   --> src/getting_started/credit_card_number_validator.rs:93:12
[INFO] [stdout]    |
[INFO] [stdout] 93 |     static amex_valid_card_numbers: [&str; 3] = ["3768 7346 7451 593", "3415 3077 1696 790", "3770 6705 862 7427"];
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]    |
[INFO] [stdout] 93 -     static amex_valid_card_numbers: [&str; 3] = ["3768 7346 7451 593", "3415 3077 1696 790", "3770 6705 862 7427"];
[INFO] [stdout] 93 +     static AMEX_VALID_CARD_NUMBERS: [&str; 3] = ["3768 7346 7451 593", "3415 3077 1696 790", "3770 6705 862 7427"];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `amex_invalid_card_numbers` should have an upper case name
[INFO] [stdout]   --> src/getting_started/credit_card_number_validator.rs:94:12
[INFO] [stdout]    |
[INFO] [stdout] 94 |     static amex_invalid_card_numbers: [&str; 3] = ["3768 7349 7451 593", "3425 3077 1696 790", "3778 6705 8627 427"];
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]    |
[INFO] [stdout] 94 -     static amex_invalid_card_numbers: [&str; 3] = ["3768 7349 7451 593", "3425 3077 1696 790", "3778 6705 8627 427"];
[INFO] [stdout] 94 +     static AMEX_INVALID_CARD_NUMBERS: [&str; 3] = ["3768 7349 7451 593", "3425 3077 1696 790", "3778 6705 8627 427"];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "d17dff86f99b571ce8a3c62c31fff6bbabb4132021677f117c4cc20a5bda052b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d17dff86f99b571ce8a3c62c31fff6bbabb4132021677f117c4cc20a5bda052b", kill_on_drop: false }`
[INFO] [stdout] d17dff86f99b571ce8a3c62c31fff6bbabb4132021677f117c4cc20a5bda052b