[INFO] cloning repository https://github.com/mastermatt/project_euler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mastermatt/project_euler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmastermatt%2Fproject_euler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmastermatt%2Fproject_euler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] af32fa79e6b5deec1cc3486660ee833a27ac8589
[INFO] building mastermatt/project_euler against try#434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275 for pr-101591
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmastermatt%2Fproject_euler" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mastermatt/project_euler on toolchain 434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mastermatt/project_euler
[INFO] finished tweaking git repo https://github.com/mastermatt/project_euler
[INFO] tweaked toml for git repo https://github.com/mastermatt/project_euler written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/mastermatt/project_euler already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7103b24dac79f7144f3ac1f057fef7d1eeeba161db2a887c8bba01617bf09687
[INFO] running `Command { std: "docker" "start" "-a" "7103b24dac79f7144f3ac1f057fef7d1eeeba161db2a887c8bba01617bf09687", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7103b24dac79f7144f3ac1f057fef7d1eeeba161db2a887c8bba01617bf09687", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7103b24dac79f7144f3ac1f057fef7d1eeeba161db2a887c8bba01617bf09687", kill_on_drop: false }`
[INFO] [stdout] 7103b24dac79f7144f3ac1f057fef7d1eeeba161db2a887c8bba01617bf09687
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09ebf9e0ea947dc4e8c1396d1c075b0847c2e6c78e180cfd4891435a6ca863ad
[INFO] running `Command { std: "docker" "start" "-a" "09ebf9e0ea947dc4e8c1396d1c075b0847c2e6c78e180cfd4891435a6ca863ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling hamming v0.1.3
[INFO] [stderr]    Compiling primal-estimate v0.2.1
[INFO] [stderr]    Compiling primal-bit v0.2.4
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling primal-sieve v0.2.9
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling primal-check v0.2.3
[INFO] [stderr]    Compiling primal v0.2.3
[INFO] [stderr]    Compiling num v0.3.1
[INFO] [stderr]    Compiling project_euler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]   --> src/p0022.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::fs;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]   --> src/p0067.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use std::fs;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute` is never used
[INFO] [stdout]  --> src/p0001.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn compute(bound: u32) -> u32 {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute` is never used
[INFO] [stdout]   --> src/p0002.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn compute(bound: u32) -> u32 {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute` is never used
[INFO] [stdout]  --> src/p0003.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn compute(num: u64) -> u64 {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TEN` is never used
[INFO] [stdout]  --> src/p0004.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const TEN: u32 = 10;
[INFO] [stdout]   |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute` is never used
[INFO] [stdout]   --> src/p0004.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn compute(num: u32) -> u32 {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_palindrome` is never used
[INFO] [stdout]   --> src/p0004.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn is_palindrome(num: u32) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute` is never used
[INFO] [stdout]   --> src/p0005.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn compute(bound: u32) -> u32 {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gcd` is never used
[INFO] [stdout]   --> src/p0005.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn gcd(a: u32, b: u32) -> u32 {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lcm` is never used
[INFO] [stdout]   --> src/p0005.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn lcm(a: u32, b: u32) -> u32 {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute` is never used
[INFO] [stdout]   --> src/p0006.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn compute(bound: u32) -> u32 {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sum_of_squares` is never used
[INFO] [stdout]   --> src/p0006.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn sum_of_squares(bound: u32) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `square_of_sum` is never used
[INFO] [stdout]   --> src/p0006.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn square_of_sum(bound: u32) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute` is never used
[INFO] [stdout]  --> src/p0007.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn compute(n: usize) -> u32 {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_prime` is never used
[INFO] [stdout]   --> src/p0007.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn is_prime(n: &u32) -> bool {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUT` is never used
[INFO] [stdout]  --> src/p0008.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const INPUT: &str = r"
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute` is never used
[INFO] [stdout]   --> src/p0008.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn compute(l: usize) -> u64 {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute` is never used
[INFO] [stdout]  --> src/p0009.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn compute(n: u32) -> u32 {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute` is never used
[INFO] [stdout]   --> src/p0010.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn compute(n: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUT` is never used
[INFO] [stdout]   --> src/p0011.rs:31:7
[INFO] [stdout]    |
[INFO] [stdout] 31 | const INPUT: &str = r"
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_input` is never used
[INFO] [stdout]   --> src/p0011.rs:54:4
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn parse_input() -> Vec<Vec<u32>> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute` is never used
[INFO] [stdout]   --> src/p0011.rs:66:4
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn compute() -> u32 {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute` is never used
[INFO] [stdout]   --> src/p0012.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn compute(bound: u32) -> u64 {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUT` is never used
[INFO] [stdout]   --> src/p0013.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const INPUT: [&str; 100] = [
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_line` is never used
[INFO] [stdout]    --> src/p0013.rs:113:4
[INFO] [stdout]     |
[INFO] [stdout] 113 | fn parse_line(line: &&str) -> Vec<u32> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute` is never used
[INFO] [stdout]    --> src/p0013.rs:117:4
[INFO] [stdout]     |
[INFO] [stdout] 117 | fn compute() -> String {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute` is never used
[INFO] [stdout]   --> src/p0014.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn compute() -> u32 {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_chain_len` is never used
[INFO] [stdout]   --> src/p0014.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn get_chain_len(num: u32) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute` is never used
[INFO] [stdout]   --> src/p0015.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn compute(size: usize) -> u64 {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute` is never used
[INFO] [stdout]   --> src/p0016.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn compute(pow: usize) -> u32 {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LOWER` is never used
[INFO] [stdout]   --> src/p0017.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const LOWER: [&str; 20] = [
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TENS` is never used
[INFO] [stdout]   --> src/p0017.rs:36:7
[INFO] [stdout]    |
[INFO] [stdout] 36 | const TENS: [&str; 10] = [
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `num_to_str` is never used
[INFO] [stdout]   --> src/p0017.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn num_to_str(num: usize) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute` is never used
[INFO] [stdout]   --> src/p0017.rs:72:4
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn compute(n: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute` is never used
[INFO] [stdout]   --> src/p0018.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn compute(input: Vec<u32>) -> u32 {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `num_rows` is never used
[INFO] [stdout]   --> src/p0018.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn num_rows(input: &Vec<u32>) -> usize {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MONTH` is never used
[INFO] [stdout]   --> src/p0019.rs:29:7
[INFO] [stdout]    |
[INFO] [stdout] 29 | const MONTH: [u16; 12] = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MONTH_L` is never used
[INFO] [stdout]   --> src/p0019.rs:30:7
[INFO] [stdout]    |
[INFO] [stdout] 30 | const MONTH_L: [u16; 12] = [31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute` is never used
[INFO] [stdout]   --> src/p0019.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn compute() -> u16 {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_leap_year` is never used
[INFO] [stdout]   --> src/p0019.rs:56:4
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn is_leap_year(year: u16) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute` is never used
[INFO] [stdout]   --> src/p0020.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn compute(start: u32) -> u32 {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sum_digits` is never used
[INFO] [stdout]   --> src/p0020.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn sum_digits(num: BigUint) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute` is never used
[INFO] [stdout]   --> src/p0021.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn compute(limit: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sum_proper_divisors` is never used
[INFO] [stdout]   --> src/p0021.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn sum_proper_divisors(num: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute` is never used
[INFO] [stdout]   --> src/p0022.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn compute(mut list: Vec<String>) -> usize {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `alphabetical_value` is never used
[INFO] [stdout]   --> src/p0022.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn alphabetical_value(name: &str) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_input` is never used
[INFO] [stdout]   --> src/p0022.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn parse_input(input: String) -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute` is never used
[INFO] [stdout]   --> src/p0023.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn compute() -> usize {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_abundant` is never used
[INFO] [stdout]   --> src/p0023.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn is_abundant(num: usize) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute` is never used
[INFO] [stdout]   --> src/p0024.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn compute(collection: &str, nth: usize) -> String {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `factoradic` is never used
[INFO] [stdout]   --> src/p0024.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn factoradic(decimal: usize) -> Vec<usize> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute` is never used
[INFO] [stdout]   --> src/p0025.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn compute(digits: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute` is never used
[INFO] [stdout]   --> src/p0026.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn compute(limit: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cycle_len` is never used
[INFO] [stdout]   --> src/p0026.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn cycle_len(num: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute` is never used
[INFO] [stdout]   --> src/p0027.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn compute(limit: usize) -> isize {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_consecutive_primes` is never used
[INFO] [stdout]   --> src/p0027.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn count_consecutive_primes(a: isize, b: isize, sieve: &Sieve) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute` is never used
[INFO] [stdout]   --> src/p0028.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn compute(limit: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute` is never used
[INFO] [stdout]   --> src/p0067.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn compute(input: Vec<u32>) -> u32 {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `num_rows` is never used
[INFO] [stdout]   --> src/p0067.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn num_rows(input: &Vec<u32>) -> usize {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_input` is never used
[INFO] [stdout]   --> src/p0067.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn parse_input(input: String) -> Vec<u32> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_divisors` is never used
[INFO] [stdout]  --> src/util/factors.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn count_divisors(num: u64) -> u32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `divisors` is never used
[INFO] [stdout]   --> src/util/factors.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn divisors(num: u64) -> Vec<u64> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 63 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.83s
[INFO] running `Command { std: "docker" "inspect" "09ebf9e0ea947dc4e8c1396d1c075b0847c2e6c78e180cfd4891435a6ca863ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09ebf9e0ea947dc4e8c1396d1c075b0847c2e6c78e180cfd4891435a6ca863ad", kill_on_drop: false }`
[INFO] [stdout] 09ebf9e0ea947dc4e8c1396d1c075b0847c2e6c78e180cfd4891435a6ca863ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27dc1c6e381b1490ca3e9199e2ea60a3913125b2af1ec81fbafda4082713bfcb
[INFO] running `Command { std: "docker" "start" "-a" "27dc1c6e381b1490ca3e9199e2ea60a3913125b2af1ec81fbafda4082713bfcb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "27dc1c6e381b1490ca3e9199e2ea60a3913125b2af1ec81fbafda4082713bfcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27dc1c6e381b1490ca3e9199e2ea60a3913125b2af1ec81fbafda4082713bfcb", kill_on_drop: false }`
[INFO] [stdout] 27dc1c6e381b1490ca3e9199e2ea60a3913125b2af1ec81fbafda4082713bfcb