[INFO] cloning repository https://github.com/FeodalherreN/codeabbey_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FeodalherreN/codeabbey_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFeodalherreN%2Fcodeabbey_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFeodalherreN%2Fcodeabbey_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f43193e94596aff3d3fff55037d2a954d6629c59
[INFO] testing FeodalherreN/codeabbey_rs/f43193e94596aff3d3fff55037d2a954d6629c59 against master#0d162b25edd5bf0dba9a22e83b614f1113e90474 for pr-150681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFeodalherreN%2Fcodeabbey_rs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/FeodalherreN/codeabbey_rs
[INFO] finished tweaking git repo https://github.com/FeodalherreN/codeabbey_rs
[INFO] tweaked toml for git repo https://github.com/FeodalherreN/codeabbey_rs written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/FeodalherreN/codeabbey_rs on toolchain 0d162b25edd5bf0dba9a22e83b614f1113e90474
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/FeodalherreN/codeabbey_rs 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" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b029fc042428adbf8a05d3621ea92ff87e76edae94e52f6bef78cba79901b03f
[INFO] running `Command { std: "docker" "start" "-a" "b029fc042428adbf8a05d3621ea92ff87e76edae94e52f6bef78cba79901b03f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b029fc042428adbf8a05d3621ea92ff87e76edae94e52f6bef78cba79901b03f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b029fc042428adbf8a05d3621ea92ff87e76edae94e52f6bef78cba79901b03f", kill_on_drop: false }`
[INFO] [stdout] b029fc042428adbf8a05d3621ea92ff87e76edae94e52f6bef78cba79901b03f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4166c3bb0e628fa6859917a50d31c0386cd43b4b24b19d43da4b039640dd7f03
[INFO] running `Command { std: "docker" "start" "-a" "4166c3bb0e628fa6859917a50d31c0386cd43b4b24b19d43da4b039640dd7f03", kill_on_drop: false }`
[INFO] [stderr]    Compiling codeabbey_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/tasks/modular_calculator.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/tasks/modular_calculator.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |         let s = answer.to_owned();
[INFO] [stdout]   |             ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `s` is never read
[INFO] [stdout]  --> src/tasks/modulo_and_time_difference.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 |         let (mut s, mut m, mut h, mut d) = (0, 0, 0, 0);
[INFO] [stdout]   |              ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `m` is never read
[INFO] [stdout]  --> src/tasks/modulo_and_time_difference.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 |         let (mut s, mut m, mut h, mut d) = (0, 0, 0, 0);
[INFO] [stdout]   |                     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `h` is never read
[INFO] [stdout]  --> src/tasks/modulo_and_time_difference.rs:5:28
[INFO] [stdout]   |
[INFO] [stdout] 5 |         let (mut s, mut m, mut h, mut d) = (0, 0, 0, 0);
[INFO] [stdout]   |                            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `d` is never read
[INFO] [stdout]  --> src/tasks/modulo_and_time_difference.rs:5:35
[INFO] [stdout]   |
[INFO] [stdout] 5 |         let (mut s, mut m, mut h, mut d) = (0, 0, 0, 0);
[INFO] [stdout]   |                                   ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `arithmetic_progression` is never used
[INFO] [stdout]  --> src/tasks/arithmetic_progression.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn arithmetic_progression(formulas: Vec<Vec<i32>>) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `array_checksum` is never used
[INFO] [stdout]  --> src/tasks/array_checksum.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn array_checksum(input: Vec<i32>) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `array_counters` is never used
[INFO] [stdout]  --> src/tasks/array_counters.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn array_counters(array: Vec<i32>) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `average_of_an_array` is never used
[INFO] [stdout]  --> src/tasks/average_of_an_array.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn average_of_an_array(input: Vec<Vec<i32>>) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `body_mass_index` is never used
[INFO] [stdout]  --> src/tasks/body_mass_index.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn body_mass_index(input: Vec<Vec<f32>>) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `collatz_sequence` is never used
[INFO] [stdout]  --> src/tasks/collatz_sequence.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn collatz_sequence(numbers: Vec<i32>) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate` is never used
[INFO] [stdout]   --> src/tasks/collatz_sequence.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn calculate(number: i32, count: i32) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dice_rolling` is never used
[INFO] [stdout]  --> src/tasks/dice_rolling.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn dice_rolling(random_floats: Vec<f32>) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fahrenheit_to_celcius` is never used
[INFO] [stdout]  --> src/tasks/fahrenheit_celcius.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn fahrenheit_to_celcius(numbers: Vec<i32>) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `linear_function` is never used
[INFO] [stdout]  --> src/tasks/linear_function.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn linear_function(input: Vec<Vec<i32>>) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `maximum_of_array` is never used
[INFO] [stdout]  --> src/tasks/maximum_of_array.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn maximum_of_array(numbers: Vec<i32>) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `median_of_three` is never used
[INFO] [stdout]  --> src/tasks/median_of_three.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn median_of_three(list_of_values: Vec<Vec<i32>>) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `min_of_three` is never used
[INFO] [stdout]  --> src/tasks/min_of_three.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn min_of_three(number_pairs_matrix: Vec<Vec<i32>>) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `min_of_two` is never used
[INFO] [stdout]  --> src/tasks/min_of_two.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn min_of_two(number_pairs_matrix: Vec<Vec<i32>>) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `modular_calculator` is never used
[INFO] [stdout]  --> src/tasks/modular_calculator.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn modular_calculator(start_number: i32, operations: Vec<(&str, i32)>) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `modulo_and_time_difference` is never used
[INFO] [stdout]  --> src/tasks/modulo_and_time_difference.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn modulo_and_time_difference(input: Vec<Vec<i32>>) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `reverse_string` is never used
[INFO] [stdout]  --> src/tasks/reverse_string.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn reverse_string(input: String) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rounding` is never used
[INFO] [stdout]  --> src/tasks/rounding.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn rounding(number_matrix: Vec<Vec<i32>>) -> String {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sum` is never used
[INFO] [stdout]  --> src/tasks/sum.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn sum(a: i32, b: i32) -> i32 {
[INFO] [stdout]   |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sum_in_loop` is never used
[INFO] [stdout]  --> src/tasks/sum_in_loop.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn sum_in_loop(numbers: Vec<i32>) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sum_of_digits` is never used
[INFO] [stdout]  --> src/tasks/sum_of_digits.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn sum_of_digits(digits: Vec<Vec<i32>>) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sums_in_loops` is never used
[INFO] [stdout]  --> src/tasks/sums_in_loop.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn sums_in_loops(number_matrix: Vec<Vec<i32>>) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `triangles` is never used
[INFO] [stdout]  --> src/tasks/triangles.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn triangles(input: Vec<Vec<i32>>) -> String {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vowel_count` is never used
[INFO] [stdout]  --> src/tasks/vowel_count.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn vowel_count(scentences: Vec<String>) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `weighted_sum_of_digits` is never used
[INFO] [stdout]  --> src/tasks/weighted_sum_of_digits.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn weighted_sum_of_digits(input: Vec<i32>) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "4166c3bb0e628fa6859917a50d31c0386cd43b4b24b19d43da4b039640dd7f03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4166c3bb0e628fa6859917a50d31c0386cd43b4b24b19d43da4b039640dd7f03", kill_on_drop: false }`
[INFO] [stdout] 4166c3bb0e628fa6859917a50d31c0386cd43b4b24b19d43da4b039640dd7f03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf4ef72657bd397d76e2a8b32f316193dd40f98df054d242aec9b668489c81ea
[INFO] running `Command { std: "docker" "start" "-a" "cf4ef72657bd397d76e2a8b32f316193dd40f98df054d242aec9b668489c81ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling codeabbey_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/tasks/modular_calculator.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/tasks/modular_calculator.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |         let s = answer.to_owned();
[INFO] [stdout]   |             ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `s` is never read
[INFO] [stdout]  --> src/tasks/modulo_and_time_difference.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 |         let (mut s, mut m, mut h, mut d) = (0, 0, 0, 0);
[INFO] [stdout]   |              ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `m` is never read
[INFO] [stdout]  --> src/tasks/modulo_and_time_difference.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 |         let (mut s, mut m, mut h, mut d) = (0, 0, 0, 0);
[INFO] [stdout]   |                     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `h` is never read
[INFO] [stdout]  --> src/tasks/modulo_and_time_difference.rs:5:28
[INFO] [stdout]   |
[INFO] [stdout] 5 |         let (mut s, mut m, mut h, mut d) = (0, 0, 0, 0);
[INFO] [stdout]   |                            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `d` is never read
[INFO] [stdout]  --> src/tasks/modulo_and_time_difference.rs:5:35
[INFO] [stdout]   |
[INFO] [stdout] 5 |         let (mut s, mut m, mut h, mut d) = (0, 0, 0, 0);
[INFO] [stdout]   |                                   ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "cf4ef72657bd397d76e2a8b32f316193dd40f98df054d242aec9b668489c81ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf4ef72657bd397d76e2a8b32f316193dd40f98df054d242aec9b668489c81ea", kill_on_drop: false }`
[INFO] [stdout] cf4ef72657bd397d76e2a8b32f316193dd40f98df054d242aec9b668489c81ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4dd36912734b1e780aaa62c2049cf4f0aeed4e411c2c8ef70d9f999832515d5e
[INFO] running `Command { std: "docker" "start" "-a" "4dd36912734b1e780aaa62c2049cf4f0aeed4e411c2c8ef70d9f999832515d5e", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/tasks/modular_calculator.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]  --> src/tasks/modular_calculator.rs:6:13
[INFO] [stderr]   |
[INFO] [stderr] 6 |         let s = answer.to_owned();
[INFO] [stderr]   |             ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `s` is never read
[INFO] [stderr]  --> src/tasks/modulo_and_time_difference.rs:5:14
[INFO] [stderr]   |
[INFO] [stderr] 5 |         let (mut s, mut m, mut h, mut d) = (0, 0, 0, 0);
[INFO] [stderr]   |              ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr]   = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `m` is never read
[INFO] [stderr]  --> src/tasks/modulo_and_time_difference.rs:5:21
[INFO] [stderr]   |
[INFO] [stderr] 5 |         let (mut s, mut m, mut h, mut d) = (0, 0, 0, 0);
[INFO] [stderr]   |                     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `h` is never read
[INFO] [stderr]  --> src/tasks/modulo_and_time_difference.rs:5:28
[INFO] [stderr]   |
[INFO] [stderr] 5 |         let (mut s, mut m, mut h, mut d) = (0, 0, 0, 0);
[INFO] [stderr]   |                            ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `d` is never read
[INFO] [stderr]  --> src/tasks/modulo_and_time_difference.rs:5:35
[INFO] [stderr]   |
[INFO] [stderr] 5 |         let (mut s, mut m, mut h, mut d) = (0, 0, 0, 0);
[INFO] [stderr]   |                                   ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: `codeabbey_rs` (bin "codeabbey_rs" test) generated 6 warnings (run `cargo fix --bin "codeabbey_rs" -p codeabbey_rs --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/codeabbey_rs-3275fb7c963c0ec8)
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test tasks::array_checksum::tests::array_checksum_calculates_checksum ... ok
[INFO] [stdout] test tasks::arithmetic_progression::tests::arithmetic_progression_calculation ... ok
[INFO] [stdout] test tasks::dice_rolling::tests::dice_rolling_creates_numbers_from_random_floats ... ok
[INFO] [stdout] test tasks::array_counters::tests::array_counters_counts_occurences_in_array ... ok
[INFO] [stdout] test tasks::fahrenheit_celcius::tests::fahrenheit_to_celcius_converts_fahrenheit_to_celcius ... ok
[INFO] [stdout] test tasks::collatz_sequence::tests::collatz_sequence_calculates_number_of_calculation_it_does_before_reaching_one ... ok
[INFO] [stdout] test tasks::linear_function::tests::linear_function_test ... ok
[INFO] [stdout] test tasks::body_mass_index::tests::body_mass_index_calculates_bmi_and_returns_string_of_results ... ok
[INFO] [stdout] test tasks::min_of_three::tests::min_of_three_returns_string_with_space_seperated_lowest_numbers_of_three ... ok
[INFO] [stdout] test tasks::min_of_two::tests::min_of_two_returns_string_with_space_seperated_lowest_numbers_of_pairs ... ok
[INFO] [stdout] test tasks::median_of_three::tests::median_of_three_returns_median_of_each_vector_given ... ok
[INFO] [stdout] test tasks::modular_calculator::tests::modular_calculator_calculates_operations_in_input_and_returns_result ... ok
[INFO] [stdout] test tasks::modulo_and_time_difference::tests::modulo_and_time_difference_calculates_difference_in_time ... ok
[INFO] [stdout] test tasks::rounding::tests::rounding_divides_pairs_and_returns_result_rounded_to_nearest_integer ... ok
[INFO] [stdout] test tasks::sum::tests::sum_sums_two_integers ... ok
[INFO] [stdout] test tasks::sum_in_loop::tests::sum_in_loop_sums_all_numbers_in_vector ... ok
[INFO] [stdout] test tasks::triangles::tests::triangles_returns_1_if_possible_to_create_0_if_not ... ok
[INFO] [stdout] test tasks::sum_of_digits::tests::sum_of_digits_calculates_sum_of_given_vector_and_sums_number_by_number ... ok
[INFO] [stdout] test tasks::weighted_sum_of_digits::tests::weighted_sum_of_digits_multiplies_and_adds_numbers_per_index ... ok
[INFO] [stdout] test tasks::sums_in_loop::tests::sums_in_loops_iterates_and_sums_numbers_in_lists ... ok
[INFO] [stdout] test tasks::vowel_count::tests::vowel_count_counts_vowels_and_returns_result_as_space_seperated_string ... ok
[INFO] [stdout] test tasks::maximum_of_array::tests::maximum_of_array_returns_maximum_and_minimum_numbers_of_vector ... ok
[INFO] [stdout] test tasks::average_of_an_array::tests::average_of_an_array_calculates_average_of_each_vector_of_numbers ... ok
[INFO] [stdout] test tasks::reverse_string::tests::reverse_string_reverses_a_given_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4dd36912734b1e780aaa62c2049cf4f0aeed4e411c2c8ef70d9f999832515d5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dd36912734b1e780aaa62c2049cf4f0aeed4e411c2c8ef70d9f999832515d5e", kill_on_drop: false }`
[INFO] [stdout] 4dd36912734b1e780aaa62c2049cf4f0aeed4e411c2c8ef70d9f999832515d5e