[INFO] cloning repository https://github.com/fgaray/project-euler-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fgaray/project-euler-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffgaray%2Fproject-euler-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffgaray%2Fproject-euler-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d61b820d5bdb1b22269fa9c173c836d3cca64bc5
[INFO] testing fgaray/project-euler-rust against 1.83.0 for beta-1.84.0-4-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffgaray%2Fproject-euler-rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fgaray/project-euler-rust on toolchain 1.83.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fgaray/project-euler-rust
[INFO] finished tweaking git repo https://github.com/fgaray/project-euler-rust
[INFO] tweaked toml for git repo https://github.com/fgaray/project-euler-rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/fgaray/project-euler-rust 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" "+1.83.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d90557b0d1cec8d84821a2e2fc85308c2a9939297f81029ccc1fe894916b4f8b
[INFO] running `Command { std: "docker" "start" "-a" "d90557b0d1cec8d84821a2e2fc85308c2a9939297f81029ccc1fe894916b4f8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d90557b0d1cec8d84821a2e2fc85308c2a9939297f81029ccc1fe894916b4f8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d90557b0d1cec8d84821a2e2fc85308c2a9939297f81029ccc1fe894916b4f8b", kill_on_drop: false }`
[INFO] [stdout] d90557b0d1cec8d84821a2e2fc85308c2a9939297f81029ccc1fe894916b4f8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf4b22b95d3e04b3f550e4dc51a036c0aaad2ce47ddaf782473c85e3abb46de5
[INFO] running `Command { std: "docker" "start" "-a" "bf4b22b95d3e04b3f550e4dc51a036c0aaad2ce47ddaf782473c85e3abb46de5", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling euler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std`
[INFO] [stdout]  --> src/problem3/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]  --> src/problem9/mod.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 |     for b in (1..1000) {
[INFO] [stdout]   |              ^       ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 6 -     for b in (1..1000) {
[INFO] [stdout] 6 +     for b in 1..1000 {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]  --> src/problem9/mod.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 |         for c in (1..1000) {
[INFO] [stdout]   |                  ^       ^
[INFO] [stdout]   |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 7 -         for c in (1..1000) {
[INFO] [stdout] 7 +         for c in 1..1000 {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std`
[INFO] [stdout]  --> src/problem10/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std;
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/problem3/mod.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |    let mut v = prime.get_mem();
[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: unused variable: `d1`
[INFO] [stdout]  --> src/problem4/mod.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut d1 = 1;
[INFO] [stdout]   |             ^^ help: if this is intentional, prefix it with an underscore: `_d1`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d2`
[INFO] [stdout]  --> src/problem4/mod.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut d2 = 1;
[INFO] [stdout]   |             ^^ help: if this is intentional, prefix it with an underscore: `_d2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/problem4/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut d1 = 1;
[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/problem4/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut d2 = 1;
[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/utils/prime.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let mut v = Vec::new();
[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/utils/prime.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let mut v = Vec::with_capacity(capacity);
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/problem3/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn solve(n: i64) -> i64 {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/problem4/mod.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn solve() -> i32 {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/problem5/mod.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn solve(n: i64) -> i64 {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/problem6/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn solve(upper: i64) -> i64 {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/problem7/mod.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn solve(n: i64) -> i64 {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/problem9/mod.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn solve(constant: i64) -> i64 {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_mem` is never used
[INFO] [stdout]   --> src/utils/prime.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Prime {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn get_mem(&mut self) -> &Vec<i64> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `reverse` is never used
[INFO] [stdout]   --> src/utils/number.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn reverse(n: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "bf4b22b95d3e04b3f550e4dc51a036c0aaad2ce47ddaf782473c85e3abb46de5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf4b22b95d3e04b3f550e4dc51a036c0aaad2ce47ddaf782473c85e3abb46de5", kill_on_drop: false }`
[INFO] [stdout] bf4b22b95d3e04b3f550e4dc51a036c0aaad2ce47ddaf782473c85e3abb46de5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dbed0cbb31ce19b59d0b6da1b423863ba17a1feceac88a767f46f6949050fce7
[INFO] running `Command { std: "docker" "start" "-a" "dbed0cbb31ce19b59d0b6da1b423863ba17a1feceac88a767f46f6949050fce7", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling euler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std`
[INFO] [stdout]  --> src/problem3/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]  --> src/problem9/mod.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 |     for b in (1..1000) {
[INFO] [stdout]   |              ^       ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 6 -     for b in (1..1000) {
[INFO] [stdout] 6 +     for b in 1..1000 {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]  --> src/problem9/mod.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 |         for c in (1..1000) {
[INFO] [stdout]   |                  ^       ^
[INFO] [stdout]   |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 7 -         for c in (1..1000) {
[INFO] [stdout] 7 +         for c in 1..1000 {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std`
[INFO] [stdout]  --> src/problem10/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std;
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/problem3/mod.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |    let mut v = prime.get_mem();
[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: unused variable: `d1`
[INFO] [stdout]  --> src/problem4/mod.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut d1 = 1;
[INFO] [stdout]   |             ^^ help: if this is intentional, prefix it with an underscore: `_d1`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d2`
[INFO] [stdout]  --> src/problem4/mod.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut d2 = 1;
[INFO] [stdout]   |             ^^ help: if this is intentional, prefix it with an underscore: `_d2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/problem4/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut d1 = 1;
[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/problem4/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut d2 = 1;
[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/utils/prime.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let mut v = Vec::new();
[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/utils/prime.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let mut v = Vec::with_capacity(capacity);
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/problem3/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn solve(n: i64) -> i64 {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/problem4/mod.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn solve() -> i32 {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/problem5/mod.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn solve(n: i64) -> i64 {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/problem6/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn solve(upper: i64) -> i64 {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/problem7/mod.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn solve(n: i64) -> i64 {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/problem9/mod.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn solve(constant: i64) -> i64 {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_mem` is never used
[INFO] [stdout]   --> src/utils/prime.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Prime {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn get_mem(&mut self) -> &Vec<i64> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `reverse` is never used
[INFO] [stdout]   --> src/utils/number.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn reverse(n: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/1.83.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" VSLANG="1033" "cc" "-m64" "/tmp/rustcNU4V4S/symbols.o" "/opt/rustwide/target/debug/deps/euler-b2a27d8563ecd4e1.euler.112c2a1ac2703fef-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/euler-b2a27d8563ecd4e1.16l5bomnzttqh37t0fbb3z64b.rcgu.o" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/1.83.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-aa035fdca64e6492.rlib" "/opt/rustwide/rustup-home/toolchains/1.83.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-094c0ce9f8c98ed9.rlib" "/opt/rustwide/rustup-home/toolchains/1.83.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-aa0663517f777947.rlib" "/opt/rustwide/rustup-home/toolchains/1.83.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_std-e1cd6e17fe237c71.rlib" "/opt/rustwide/rustup-home/toolchains/1.83.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-ca74a2d9c5166d9f.rlib" "/opt/rustwide/rustup-home/toolchains/1.83.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e31ab23316ed5080.rlib" "/opt/rustwide/rustup-home/toolchains/1.83.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-27dc4aa955912662.rlib" "/opt/rustwide/rustup-home/toolchains/1.83.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-bd0d6cccce077b99.rlib" "/opt/rustwide/rustup-home/toolchains/1.83.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-8d001680935b5e3c.rlib" "/opt/rustwide/rustup-home/toolchains/1.83.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-ba8ce71964f984f4.rlib" "/opt/rustwide/rustup-home/toolchains/1.83.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-99a73526abcec14b.rlib" "/opt/rustwide/rustup-home/toolchains/1.83.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-63ac0d22cff92579.rlib" "/opt/rustwide/rustup-home/toolchains/1.83.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-9057355c92c922d5.rlib" "/opt/rustwide/rustup-home/toolchains/1.83.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-358be9bc1f6bab04.rlib" "/opt/rustwide/rustup-home/toolchains/1.83.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-aca15549d5bff974.rlib" "/opt/rustwide/rustup-home/toolchains/1.83.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-8251d2cef7072448.rlib" "/opt/rustwide/rustup-home/toolchains/1.83.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-7d50b86011c66411.rlib" "/opt/rustwide/rustup-home/toolchains/1.83.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-51ea098fce5006bf.rlib" "/opt/rustwide/rustup-home/toolchains/1.83.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-5a14e0d0b712e731.rlib" "/opt/rustwide/rustup-home/toolchains/1.83.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-8b83dbf3a7b8f999.rlib" "/opt/rustwide/rustup-home/toolchains/1.83.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-c6fd227bdc7b39ff.rlib" "/opt/rustwide/rustup-home/toolchains/1.83.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-959d3389fa3da8a5.rlib" "/opt/rustwide/rustup-home/toolchains/1.83.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-abe05db089cc2c62.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/1.83.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/euler-b2a27d8563ecd4e1" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: final link failed: No space left on device
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `euler` (bin "euler" test) due to 1 previous error; 19 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "dbed0cbb31ce19b59d0b6da1b423863ba17a1feceac88a767f46f6949050fce7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbed0cbb31ce19b59d0b6da1b423863ba17a1feceac88a767f46f6949050fce7", kill_on_drop: false }`
[INFO] [stdout] dbed0cbb31ce19b59d0b6da1b423863ba17a1feceac88a767f46f6949050fce7
