[INFO] cloning repository https://github.com/AyanoClarke/rosalind_solution
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AyanoClarke/rosalind_solution" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAyanoClarke%2Frosalind_solution", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAyanoClarke%2Frosalind_solution'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 90aa78bb93cf1554965ecc749b9403ef526e04fd
[INFO] checking AyanoClarke/rosalind_solution against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAyanoClarke%2Frosalind_solution" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AyanoClarke/rosalind_solution on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AyanoClarke/rosalind_solution
[INFO] finished tweaking git repo https://github.com/AyanoClarke/rosalind_solution
[INFO] tweaked toml for git repo https://github.com/AyanoClarke/rosalind_solution written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/AyanoClarke/rosalind_solution already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66541223594e739af03b922a4c6f4ef1aa1737ac353fa1282e6016769b60aeb9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "66541223594e739af03b922a4c6f4ef1aa1737ac353fa1282e6016769b60aeb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66541223594e739af03b922a4c6f4ef1aa1737ac353fa1282e6016769b60aeb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66541223594e739af03b922a4c6f4ef1aa1737ac353fa1282e6016769b60aeb9", kill_on_drop: false }`
[INFO] [stdout] 66541223594e739af03b922a4c6f4ef1aa1737ac353fa1282e6016769b60aeb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d25227682a156732fdd53fd88d85cd056f4f6a0612a51f42db8963f81d8cabbc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d25227682a156732fdd53fd88d85cd056f4f6a0612a51f42db8963f81d8cabbc", kill_on_drop: false }`
[INFO] [stderr]     Checking rosalind_solution v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: module `counting_DNA_nucleotides` should have a snake case name
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod counting_DNA_nucleotides;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `counting_dna_nucleotides`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `transcribing_DNA_into_RNA` should have a snake case name
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | mod transcribing_DNA_into_RNA;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `transcribing_dna_into_rna`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `counting_DNA_nucleotides` should have a snake case name
[INFO] [stdout]    --> src/counting_DNA_nucleotides.rs:109:8
[INFO] [stdout]     |
[INFO] [stdout] 109 | pub fn counting_DNA_nucleotides(s: &str) -> NucleobasesCounts {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `counting_dna_nucleotides`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Nucleobases`
[INFO] [stdout]   --> src/counting_DNA_nucleotides.rs:23:6
[INFO] [stdout]    |
[INFO] [stdout] 23 | enum Nucleobases {
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `NucleobasesCountsBuilder`
[INFO] [stdout]   --> src/counting_DNA_nucleotides.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | struct NucleobasesCountsBuilder {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/counting_DNA_nucleotides.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn new() -> NucleobasesCountsBuilder {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `a_plus`
[INFO] [stdout]   --> src/counting_DNA_nucleotides.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn a_plus(&mut self) -> &mut NucleobasesCountsBuilder {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `g_plus`
[INFO] [stdout]   --> src/counting_DNA_nucleotides.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn g_plus(&mut self) -> &mut NucleobasesCountsBuilder {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `t_plus`
[INFO] [stdout]   --> src/counting_DNA_nucleotides.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn t_plus(&mut self) -> &mut NucleobasesCountsBuilder {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `c_plus`
[INFO] [stdout]   --> src/counting_DNA_nucleotides.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 79 |     fn c_plus(&mut self) -> &mut NucleobasesCountsBuilder {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `build`
[INFO] [stdout]   --> src/counting_DNA_nucleotides.rs:84:8
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn build(&self) -> NucleobasesCounts {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `check_nucleobase`
[INFO] [stdout]   --> src/counting_DNA_nucleotides.rs:99:4
[INFO] [stdout]    |
[INFO] [stdout] 99 | fn check_nucleobase(s: char) -> Option<Nucleobases> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `counting_DNA_nucleotides`
[INFO] [stdout]    --> src/counting_DNA_nucleotides.rs:109:8
[INFO] [stdout]     |
[INFO] [stdout] 109 | pub fn counting_DNA_nucleotides(s: &str) -> NucleobasesCounts {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `transcribing`
[INFO] [stdout]    --> src/transcribing_DNA_into_RNA.rs:127:12
[INFO] [stdout]     |
[INFO] [stdout] 127 |     pub fn transcribing(&self) -> RNA {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `counting_DNA_nucleotides` should have a snake case name
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod counting_DNA_nucleotides;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `counting_dna_nucleotides`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `transcribing_DNA_into_RNA` should have a snake case name
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | mod transcribing_DNA_into_RNA;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `transcribing_dna_into_rna`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `counting_DNA_nucleotides` should have a snake case name
[INFO] [stdout]    --> src/counting_DNA_nucleotides.rs:109:8
[INFO] [stdout]     |
[INFO] [stdout] 109 | pub fn counting_DNA_nucleotides(s: &str) -> NucleobasesCounts {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `counting_dna_nucleotides`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "d25227682a156732fdd53fd88d85cd056f4f6a0612a51f42db8963f81d8cabbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d25227682a156732fdd53fd88d85cd056f4f6a0612a51f42db8963f81d8cabbc", kill_on_drop: false }`
[INFO] [stdout] d25227682a156732fdd53fd88d85cd056f4f6a0612a51f42db8963f81d8cabbc