[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#3dbade652ed8ebac70f903e01f51cd92c4e4302c for pr-69741
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsogapalag%2FProblems_Rust" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sogapalag/Problems_Rust on toolchain 3dbade652ed8ebac70f903e01f51cd92c4e4302c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "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-6/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" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-6/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[INFO] the lockfile is outdated, regenerating it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" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "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] 3f6ee8665f98ca460784938fecff7a79f5cf9760f6629357da18ad0d1b48489c
[INFO] running `"docker" "start" "-a" "3f6ee8665f98ca460784938fecff7a79f5cf9760f6629357da18ad0d1b48489c"`
[INFO] [stderr]     Checking hamming v0.1.3
[INFO] [stderr]     Checking primal-estimate v0.2.1
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking primal-check v0.2.3
[INFO] [stderr]     Checking primal-bit v0.2.4
[INFO] [stderr]     Checking primal-sieve v0.2.9
[INFO] [stderr]     Checking num-rational v0.2.3
[INFO] [stderr]     Checking primal v0.2.3
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking Problems_Rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::cmp`
[INFO] [stderr]   --> src/bin/ks_2018a2.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 | use std::cmp;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]   --> src/bin/ks_2018a2.rs:79:14
[INFO] [stderr]    |
[INFO] [stderr] 79 |     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 does not need to be mutable
[INFO] [stderr]   --> src/bin/ks_2018a2.rs:64:9
[INFO] [stderr]    |
[INFO] [stderr] 64 |     let mut nk: 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 `N` should have a snake case name
[INFO] [stderr]   --> src/bin/ks_2018a2.rs:44:12
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn compute(N: usize, K: usize, v: &Vec<f64>) -> f64 {
[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 `K` should have a snake case name
[INFO] [stderr]   --> src/bin/ks_2018a2.rs:44:22
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn compute(N: usize, K: usize, v: &Vec<f64>) -> f64 {
[INFO] [stderr]    |                      ^ help: convert the identifier to snake case (notice the capitalization): `k`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Ev` should have a snake case name
[INFO] [stderr]   --> src/bin/ks_2018a2.rs:52:9
[INFO] [stderr]    |
[INFO] [stderr] 52 |     let Ev = rsum[0] / n;
[INFO] [stderr]    |         ^^ help: convert the identifier to snake case: `ev`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N` should have a snake case name
[INFO] [stderr]   --> src/bin/ks_2018a2.rs:66:9
[INFO] [stderr]    |
[INFO] [stderr] 66 |     let N = nk[0];
[INFO] [stderr]    |         ^ help: convert the identifier to snake case: `n`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `K` should have a snake case name
[INFO] [stderr]   --> src/bin/ks_2018a2.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 67 |     let K = nk[1];
[INFO] [stderr]    |         ^ help: convert the identifier to snake case (notice the capitalization): `k`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `T` should have a snake case name
[INFO] [stderr]   --> src/bin/ks_2018a2.rs:78:9
[INFO] [stderr]    |
[INFO] [stderr] 78 |     let T = read!(usize);
[INFO] [stderr]    |         ^ help: convert the identifier to snake case: `t`
[INFO] [stderr] 
[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: function is never used: `check`
[INFO] [stderr]   --> src/bin/pe_044.rs:31:4
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn check(p: u64) -> bool {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `P`
[INFO] [stderr]   --> src/bin/pe_044.rs:40:4
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn P(n: u64) -> u64 {
[INFO] [stderr]    |    ^
[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: function `P` should have a snake case name
[INFO] [stderr]   --> src/bin/pe_044.rs:40:4
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn P(n: u64) -> u64 {
[INFO] [stderr]    |    ^ help: convert the identifier to snake case: `p`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/bin/pe_030.rs:23:19
[INFO] [stderr]    |
[INFO] [stderr] 23 |         sp += pow((x % 10), 5);
[INFO] [stderr]    |                   ^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N` should have a snake case name
[INFO] [stderr]  --> src/bin/pe_030.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let N: usize = 360_000;
[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: unused import: `std::cmp`
[INFO] [stderr]   --> src/bin/ks_2018a2.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 | use std::cmp;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]   --> src/bin/ks_2018a2.rs:79:14
[INFO] [stderr]    |
[INFO] [stderr] 79 |     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_2018b1.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_2018b1.rs:41:24
[INFO] [stderr]    |
[INFO] [stderr] 41 | use std::collections::{HashMap, HashSet};
[INFO] [stderr]    |                        ^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]   --> src/bin/ks_2018b1.rs:90:14
[INFO] [stderr]    |
[INFO] [stderr] 90 |     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: `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] 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 `L` should have a snake case name
[INFO] [stderr]   --> src/bin/pe_034.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let L = 3_000_000;
[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: 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: 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_2018a2.rs:64:9
[INFO] [stderr]    |
[INFO] [stderr] 64 |     let mut nk: 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 `N` should have a snake case name
[INFO] [stderr]   --> src/bin/ks_2018a2.rs:44:12
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn compute(N: usize, K: usize, v: &Vec<f64>) -> f64 {
[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 `K` should have a snake case name
[INFO] [stderr]   --> src/bin/ks_2018a2.rs:44:22
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn compute(N: usize, K: usize, v: &Vec<f64>) -> f64 {
[INFO] [stderr]    |                      ^ help: convert the identifier to snake case (notice the capitalization): `k`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Ev` should have a snake case name
[INFO] [stderr]   --> src/bin/ks_2018a2.rs:52:9
[INFO] [stderr]    |
[INFO] [stderr] 52 |     let Ev = rsum[0] / n;
[INFO] [stderr]    |         ^^ help: convert the identifier to snake case: `ev`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N` should have a snake case name
[INFO] [stderr]   --> src/bin/ks_2018a2.rs:66:9
[INFO] [stderr]    |
[INFO] [stderr] 66 |     let N = nk[0];
[INFO] [stderr]    |         ^ help: convert the identifier to snake case: `n`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `K` should have a snake case name
[INFO] [stderr]   --> src/bin/ks_2018a2.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 67 |     let K = nk[1];
[INFO] [stderr]    |         ^ help: convert the identifier to snake case (notice the capitalization): `k`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `T` should have a snake case name
[INFO] [stderr]   --> src/bin/ks_2018a2.rs:78:9
[INFO] [stderr]    |
[INFO] [stderr] 78 |     let T = read!(usize);
[INFO] [stderr]    |         ^ help: convert the identifier to snake case: `t`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/ks_2018b1.rs:82:9
[INFO] [stderr]    |
[INFO] [stderr] 82 |     let mut fl: 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 `T` should have a snake case name
[INFO] [stderr]   --> src/bin/ks_2018b1.rs:89:9
[INFO] [stderr]    |
[INFO] [stderr] 89 |     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: unused import: `Primes`
[INFO] [stderr]  --> src/bin/pe_012.rs:3:14
[INFO] [stderr]   |
[INFO] [stderr] 3 | use primal::{Primes, Sieve};
[INFO] [stderr]   |              ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Primes`
[INFO] [stderr]  --> src/bin/pe_012.rs:3:14
[INFO] [stderr]   |
[INFO] [stderr] 3 | use primal::{Primes, Sieve};
[INFO] [stderr]   |              ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "3f6ee8665f98ca460784938fecff7a79f5cf9760f6629357da18ad0d1b48489c"`
[INFO] running `"docker" "rm" "-f" "3f6ee8665f98ca460784938fecff7a79f5cf9760f6629357da18ad0d1b48489c"`
[INFO] [stdout] 3f6ee8665f98ca460784938fecff7a79f5cf9760f6629357da18ad0d1b48489c