[INFO] updating cached repository https://github.com/sogapalag/Problems_Rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c22bcbd6f76a287581cc261ab73b53ce01fc3aca
[INFO] checking sogapalag/Problems_Rust against master#212aa3ea28d91a97d1e1261709c0b6e6790788e6 for pr-69340
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsogapalag%2FProblems_Rust" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sogapalag/Problems_Rust on toolchain 212aa3ea28d91a97d1e1261709c0b6e6790788e6
[INFO] running `"/workspace/cargo-home/bin/cargo" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/sogapalag/Problems_Rust
[INFO] finished tweaking git repo https://github.com/sogapalag/Problems_Rust
[INFO] tweaked toml for git repo https://github.com/sogapalag/Problems_Rust written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/sogapalag/Problems_Rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-7/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0b8524c6b827fe61b7d48ed0c247432eb093265cfc9211bcc9ebdd1ee8658db6
[INFO] running `"docker" "start" "-a" "0b8524c6b827fe61b7d48ed0c247432eb093265cfc9211bcc9ebdd1ee8658db6"`
[INFO] [stderr]     Checking hamming v0.1.3
[INFO] [stderr]     Checking primal-estimate v0.2.1
[INFO] [stderr]     Checking primal-check v0.2.3
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking primal-bit v0.2.4
[INFO] [stderr]     Checking primal-sieve v0.2.9
[INFO] [stderr]     Checking primal v0.2.3
[INFO] [stderr]     Checking Problems_Rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0601]: `main` function not found in crate `pe_026`
[INFO] [stderr]  --> src/bin/pe_026.rs:2:11
[INFO] [stderr]   |
[INFO] [stderr] 2 | // O(n^2)
[INFO] [stderr]   |           ^ consider adding a `main` function to `src/bin/pe_026.rs`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0601`.
[INFO] [stderr] error: could not compile `Problems_Rust`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused import: `std::cmp`
[INFO] [stderr]   --> src/bin/ks_2018b2.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 | use std::cmp;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `HashMap`, `HashSet`
[INFO] [stderr]   --> src/bin/ks_2018b2.rs:46:24
[INFO] [stderr]    |
[INFO] [stderr] 46 | use std::collections::{HashMap, HashSet};
[INFO] [stderr]    |                        ^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Duration`
[INFO] [stderr]   --> src/bin/ks_2018b2.rs:47:17
[INFO] [stderr]    |
[INFO] [stderr] 47 | use std::time::{Duration, Instant};
[INFO] [stderr]    |                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/bin/pe_067.rs:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::{self, BufReader};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0463]: can't find crate for `ndarray`
[INFO] [stderr]  --> src/bin/pe_237.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate ndarray;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] warning: constant `n` should have an upper case name
[INFO] [stderr]   --> src/bin/pe_260.rs:10:11
[INFO] [stderr]    |
[INFO] [stderr] 10 |     const n: usize = 1000;
[INFO] [stderr]    |           ^ help: convert the identifier to upper case: `N`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `Problems_Rust`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]   --> src/bin/ks_2018a1.rs:75:14
[INFO] [stderr]    |
[INFO] [stderr] 75 |     for t in (1..T+1) {
[INFO] [stderr]    |              ^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp`
[INFO] [stderr]   --> src/bin/ks_2018b3.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 | use std::cmp;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `HashMap`, `HashSet`
[INFO] [stderr]   --> src/bin/ks_2018b3.rs:41:24
[INFO] [stderr]    |
[INFO] [stderr] 41 | use std::collections::{HashMap, HashSet};
[INFO] [stderr]    |                        ^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `v2u64` should have an upper camel case name
[INFO] [stderr]   --> src/bin/ks_2018b3.rs:46:6
[INFO] [stderr]    |
[INFO] [stderr] 46 | type v2u64 = Vec<_2u64>;
[INFO] [stderr]    |      ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `V2u64`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `v4u64` should have an upper camel case name
[INFO] [stderr]   --> src/bin/ks_2018b3.rs:47:6
[INFO] [stderr]    |
[INFO] [stderr] 47 | type v4u64 = Vec<_4u64>;
[INFO] [stderr]    |      ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `V4u64`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]    --> src/bin/ks_2018b3.rs:167:14
[INFO] [stderr]     |
[INFO] [stderr] 167 |     for t in (1..T + 1) {
[INFO] [stderr]     |              ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `LIMIT` should have a snake case name
[INFO] [stderr]   --> src/bin/pe_014.rs:18:17
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn find_largest(LIMIT: usize) -> (usize, usize){
[INFO] [stderr]    |                 ^^^^^ help: convert the identifier to snake case: `limit`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N` should have a snake case name
[INFO] [stderr]   --> src/bin/ks_2018a1.rs:43:12
[INFO] [stderr]    |
[INFO] [stderr] 43 | fn compute(N: &String) -> u64 {
[INFO] [stderr]    |            ^ help: convert the identifier to snake case: `n`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `SUB` should have a snake case name
[INFO] [stderr]   --> src/bin/ks_2018a1.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |     let SUB = n - down.parse::<u64>().unwrap();
[INFO] [stderr]    |         ^^^ help: convert the identifier to snake case: `sub`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `ADD` should have a snake case name
[INFO] [stderr]   --> src/bin/ks_2018a1.rs:61:17
[INFO] [stderr]    |
[INFO] [stderr] 61 |             let ADD = up.parse::<u64>().unwrap() - n;
[INFO] [stderr]    |                 ^^^ help: convert the identifier to snake case: `add`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N` should have a snake case name
[INFO] [stderr]   --> src/bin/ks_2018a1.rs:68:9
[INFO] [stderr]    |
[INFO] [stderr] 68 |     let N = read!(String);
[INFO] [stderr]    |         ^ help: convert the identifier to snake case: `n`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `T` should have a snake case name
[INFO] [stderr]   --> src/bin/ks_2018a1.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 |     let T = read!(usize);
[INFO] [stderr]    |         ^ help: convert the identifier to snake case: `t`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BufRead`
[INFO] [stderr]  --> src/bin/cf_553.rs:8:21
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::io::{self, BufRead};
[INFO] [stderr]   |                     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Problems_Rust` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `problems_rust`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp`
[INFO] [stderr]   --> src/bin/ks_2018a3.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 | use std::cmp;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/ks_2018b2.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |     let mut v: Vec<_>;
[INFO] [stderr]    |         ----^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/ks_2018b2.rs:58:13
[INFO] [stderr]    |
[INFO] [stderr] 58 |         let mut abc: Vec<_>;
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]    --> src/bin/ks_2018a3.rs:129:14
[INFO] [stderr]     |
[INFO] [stderr] 129 |     for t in (1..T + 1) {
[INFO] [stderr]     |              ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/bin/cf_553.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     stdin.read_line(&mut buffer);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/bin/cf_553.rs:68:9
[INFO] [stderr]    |
[INFO] [stderr] 68 |         stdin.read_line(&mut buffer);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: variable `T` should have a snake case name
[INFO] [stderr]    --> src/bin/ks_2018b2.rs:101:9
[INFO] [stderr]     |
[INFO] [stderr] 101 |     let T = read!(usize);
[INFO] [stderr]     |         ^ help: convert the identifier to snake case: `t`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/bin/ks_2018b3.rs:127:9
[INFO] [stderr]     |
[INFO] [stderr] 127 |     let mut v: Vec<_>;
[INFO] [stderr]     |         ----^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `I` should have a snake case name
[INFO] [stderr]   --> src/bin/ks_2018b3.rs:88:13
[INFO] [stderr]    |
[INFO] [stderr] 88 |         let I = loop {
[INFO] [stderr]    |             ^ help: convert the identifier to snake case (notice the capitalization): `i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `I` should have a snake case name
[INFO] [stderr]    --> src/bin/ks_2018b3.rs:108:13
[INFO] [stderr]     |
[INFO] [stderr] 108 |         let I = loop {
[INFO] [stderr]     |             ^ help: convert the identifier to snake case (notice the capitalization): `i`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `T` should have a snake case name
[INFO] [stderr]    --> src/bin/ks_2018b3.rs:166:9
[INFO] [stderr]     |
[INFO] [stderr] 166 |     let T = read!(usize);
[INFO] [stderr]     |         ^ help: convert the identifier to snake case: `t`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Primes`
[INFO] [stderr]  --> src/bin/pe_021.rs:4:14
[INFO] [stderr]   |
[INFO] [stderr] 4 | use primal::{Primes, Sieve};
[INFO] [stderr]   |              ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `LIMIT` should have a snake case name
[INFO] [stderr]  --> src/bin/pe_021.rs:7:10
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn solve(LIMIT: usize) -> usize {
[INFO] [stderr]   |          ^^^^^ help: convert the identifier to snake case: `limit`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `L`
[INFO] [stderr]   --> src/bin/ks_2018a3.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |     let L = read!();
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_L`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Primes`
[INFO] [stderr]  --> src/bin/pe_023.rs:5:14
[INFO] [stderr]   |
[INFO] [stderr] 5 | use primal::{Primes, Sieve};
[INFO] [stderr]   |              ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/ks_2018a3.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |     let mut v: Vec<_>;
[INFO] [stderr]    |         ----^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/ks_2018a3.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 |     let mut ssnabcd: Vec<_>;
[INFO] [stderr]    |         ----^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `L` should have a snake case name
[INFO] [stderr]   --> src/bin/ks_2018a3.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |     let L = read!();
[INFO] [stderr]    |         ^ help: convert the identifier to snake case: `l`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Primes`
[INFO] [stderr]  --> src/bin/pe_023.rs:5:14
[INFO] [stderr]   |
[INFO] [stderr] 5 | use primal::{Primes, Sieve};
[INFO] [stderr]   |              ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `SE` should have a snake case name
[INFO] [stderr]   --> src/bin/ks_2018a3.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 |         let SE = [w.as_bytes()[0], w.as_bytes()[wlen - 1]];
[INFO] [stderr]    |             ^^ help: convert the identifier to snake case: `se`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `SE` should have a snake case name
[INFO] [stderr]    --> src/bin/ks_2018a3.rs:111:17
[INFO] [stderr]     |
[INFO] [stderr] 111 |             let SE = [longs[w_s], longs[w_e]];
[INFO] [stderr]     |                 ^^ help: convert the identifier to snake case: `se`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `T` should have a snake case name
[INFO] [stderr]    --> src/bin/ks_2018a3.rs:128:9
[INFO] [stderr]     |
[INFO] [stderr] 128 |     let T = read!(usize);
[INFO] [stderr]     |         ^ help: convert the identifier to snake case: `t`
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "0b8524c6b827fe61b7d48ed0c247432eb093265cfc9211bcc9ebdd1ee8658db6"`
[INFO] running `"docker" "rm" "-f" "0b8524c6b827fe61b7d48ed0c247432eb093265cfc9211bcc9ebdd1ee8658db6"`
[INFO] [stdout] 0b8524c6b827fe61b7d48ed0c247432eb093265cfc9211bcc9ebdd1ee8658db6