[INFO] updating cached repository https://github.com/sogapalag/Problems_Rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/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] testing sogapalag/Problems_Rust against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsogapalag%2FProblems_Rust" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sogapalag/Problems_Rust on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "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 work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/sogapalag/Problems_Rust already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /big/crater/work/builds/worker-0/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] f0fe95c11ebe7918cbea2fe678584b25f160184f6e9ce75695aefdbf55bddd36
[INFO] running `"docker" "start" "-a" "f0fe95c11ebe7918cbea2fe678584b25f160184f6e9ce75695aefdbf55bddd36"`
[INFO] [stderr]    Compiling primal-estimate v0.2.1
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling primal-bit v0.2.4
[INFO] [stderr]    Compiling primal-check v0.2.3
[INFO] [stderr]    Compiling chrono v0.4.9
[INFO] [stderr]    Compiling primal-sieve v0.2.9
[INFO] [stderr]    Compiling primal v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling Problems_Rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0601]: `main` function not found in crate `pe_026`
[INFO] [stderr]   |
[INFO] [stderr]   = note: 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] warning: unused import: `std::cmp`
[INFO] [stderr]   --> src/bin/ks_2018c2.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: unused imports: `HashMap`, `HashSet`
[INFO] [stderr]   --> src/bin/ks_2018c2.rs:43:24
[INFO] [stderr]    |
[INFO] [stderr] 43 | use std::collections::{HashMap, HashSet};
[INFO] [stderr]    |                        ^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `mem`, `ptr`
[INFO] [stderr]   --> src/bin/ks_2018c2.rs:44:11
[INFO] [stderr]    |
[INFO] [stderr] 44 | use std::{mem, ptr};
[INFO] [stderr]    |           ^^^  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `vi32` should have an upper camel case name
[INFO] [stderr]   --> src/bin/ks_2018c2.rs:46:6
[INFO] [stderr]    |
[INFO] [stderr] 46 | type vi32 = Vec<i32>;
[INFO] [stderr]    |      ^^^^ help: convert the identifier to upper camel case: `Vi32`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `vi64` should have an upper camel case name
[INFO] [stderr]   --> src/bin/ks_2018c2.rs:47:6
[INFO] [stderr]    |
[INFO] [stderr] 47 | type vi64 = Vec<i64>;
[INFO] [stderr]    |      ^^^^ help: convert the identifier to upper camel case: `Vi64`
[INFO] [stderr] 
[INFO] [stderr] warning: type `vu32` should have an upper camel case name
[INFO] [stderr]   --> src/bin/ks_2018c2.rs:48:6
[INFO] [stderr]    |
[INFO] [stderr] 48 | type vu32 = Vec<u32>;
[INFO] [stderr]    |      ^^^^ help: convert the identifier to upper camel case: `Vu32`
[INFO] [stderr] 
[INFO] [stderr] warning: type `vu64` should have an upper camel case name
[INFO] [stderr]   --> src/bin/ks_2018c2.rs:49:6
[INFO] [stderr]    |
[INFO] [stderr] 49 | type vu64 = Vec<u64>;
[INFO] [stderr]    |      ^^^^ help: convert the identifier to upper camel case: `Vu64`
[INFO] [stderr] 
[INFO] [stderr] warning: type `vusz` should have an upper camel case name
[INFO] [stderr]   --> src/bin/ks_2018c2.rs:50:6
[INFO] [stderr]    |
[INFO] [stderr] 50 | type vusz = Vec<usize>;
[INFO] [stderr]    |      ^^^^ help: convert the identifier to upper camel case: `Vusz`
[INFO] [stderr] 
[INFO] [stderr] warning: type `vf32` should have an upper camel case name
[INFO] [stderr]   --> src/bin/ks_2018c2.rs:51:6
[INFO] [stderr]    |
[INFO] [stderr] 51 | type vf32 = Vec<f32>;
[INFO] [stderr]    |      ^^^^ help: convert the identifier to upper camel case: `Vf32`
[INFO] [stderr] 
[INFO] [stderr] warning: type `vf64` should have an upper camel case name
[INFO] [stderr]   --> src/bin/ks_2018c2.rs:52:6
[INFO] [stderr]    |
[INFO] [stderr] 52 | type vf64 = Vec<f64>;
[INFO] [stderr]    |      ^^^^ help: convert the identifier to upper camel case: `Vf64`
[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_2018b2_unsafe.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 | 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_unsafe.rs:48:24
[INFO] [stderr]    |
[INFO] [stderr] 48 | use std::collections::{HashMap, HashSet};
[INFO] [stderr]    |                        ^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Duration`, `Instant`
[INFO] [stderr]   --> src/bin/ks_2018b2_unsafe.rs:49:17
[INFO] [stderr]    |
[INFO] [stderr] 49 | use std::time::{Duration, Instant};
[INFO] [stderr]    |                 ^^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `vuu` should have an upper camel case name
[INFO] [stderr]   --> src/bin/ks_2018b2_unsafe.rs:52:6
[INFO] [stderr]    |
[INFO] [stderr] 52 | type vuu = Vec<[u32; 2]>;
[INFO] [stderr]    |      ^^^ help: convert the identifier to upper camel case: `Vuu`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp`
[INFO] [stderr] error: Could not compile `Problems_Rust`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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: `Duration`
[INFO] [stderr]  --> src/bin/pe_036.rs:7:17
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::time::{Duration, Instant};
[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_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 `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: function is never used: `check`
[INFO] [stderr]   --> src/bin/pe_044.rs:31:1
[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:40:1
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn P(n: u64) -> u64 {
[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: 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: `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: `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_2018c2.rs:87:13
[INFO] [stderr]    |
[INFO] [stderr] 87 |         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: type alias is never used: `vi32`
[INFO] [stderr]   --> src/bin/ks_2018c2.rs:46:1
[INFO] [stderr]    |
[INFO] [stderr] 46 | type vi32 = Vec<i32>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `vi64`
[INFO] [stderr]   --> src/bin/ks_2018c2.rs:47:1
[INFO] [stderr]    |
[INFO] [stderr] 47 | type vi64 = Vec<i64>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `vu64`
[INFO] [stderr]   --> src/bin/ks_2018c2.rs:49:1
[INFO] [stderr]    |
[INFO] [stderr] 49 | type vu64 = Vec<u64>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `vusz`
[INFO] [stderr]   --> src/bin/ks_2018c2.rs:50:1
[INFO] [stderr]    |
[INFO] [stderr] 50 | type vusz = Vec<usize>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `vf32`
[INFO] [stderr]   --> src/bin/ks_2018c2.rs:51:1
[INFO] [stderr]    |
[INFO] [stderr] 51 | type vf32 = Vec<f32>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `vf64`
[INFO] [stderr]   --> src/bin/ks_2018c2.rs:52:1
[INFO] [stderr]    |
[INFO] [stderr] 52 | type vf64 = Vec<f64>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `L` should have a snake case name
[INFO] [stderr]   --> src/bin/ks_2018c2.rs:59:39
[INFO] [stderr]    |
[INFO] [stderr] 59 | fn checkfrom(mask: u32, s: &mut vu32, L: &Vec<vu32>, N: usize) -> u32 {
[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 `N` should have a snake case name
[INFO] [stderr]   --> src/bin/ks_2018c2.rs:59:54
[INFO] [stderr]    |
[INFO] [stderr] 59 | fn checkfrom(mask: u32, s: &mut vu32, L: &Vec<vu32>, N: usize) -> u32 {
[INFO] [stderr]    |                                                      ^ help: convert the identifier to snake case: `n`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `L` should have a snake case name
[INFO] [stderr]   --> src/bin/ks_2018c2.rs:85:13
[INFO] [stderr]    |
[INFO] [stderr] 85 |     let mut L: Vec<vu32> = Vec::new();
[INFO] [stderr]    |             ^ help: convert the identifier to snake case: `l`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `T` should have a snake case name
[INFO] [stderr]   --> src/bin/ks_2018c2.rs:99:9
[INFO] [stderr]    |
[INFO] [stderr] 99 |     let T = read!(usize);
[INFO] [stderr]    |         ^ help: convert the identifier to snake case: `t`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `naive`
[INFO] [stderr]   --> src/bin/pe_256.rs:30:1
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn naive() {
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `target`
[INFO] [stderr]   --> src/bin/pe_256.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     const target: usize = 200;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `T` should have a snake case name
[INFO] [stderr]   --> src/bin/pe_256.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let mut T = vec![0; S];
[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: constant `target` should have an upper case name
[INFO] [stderr]   --> src/bin/pe_256.rs:60:11
[INFO] [stderr]    |
[INFO] [stderr] 60 |     const target: usize = 200;
[INFO] [stderr]    |           ^^^^^^ help: convert the identifier to upper case: `TARGET`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `T` should have a snake case name
[INFO] [stderr]   --> src/bin/pe_256.rs:61:13
[INFO] [stderr]    |
[INFO] [stderr] 61 |     let mut T = vec![0; 5 + N >> 1];
[INFO] [stderr]    |             ^ help: convert the identifier to snake case: `t`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `SQN` should have a snake case name
[INFO] [stderr]   --> src/bin/pe_256.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 |     let SQN = (N as f64).sqrt() as usize;
[INFO] [stderr]    |         ^^^ help: convert the identifier to snake case: `sqn`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/ks_2018b2_unsafe.rs:89:9
[INFO] [stderr]    |
[INFO] [stderr] 89 |     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_unsafe.rs:98:13
[INFO] [stderr]    |
[INFO] [stderr] 98 |         let mut abc: Vec<_>;
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/bin/ks_2018b2_unsafe.rs:101:9
[INFO] [stderr]     |
[INFO] [stderr] 101 |         unsafe {
[INFO] [stderr]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `L`
[INFO] [stderr]   --> src/bin/ks_2018b2_unsafe.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 |     const L: usize = 16;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` 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: 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: 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: function is never used: `sundays_in_Jans`
[INFO] [stderr]  --> src/bin/pe_019.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn sundays_in_Jans(start_yr: i32, end_yr: i32) -> u32 {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `sundays_in_Jans` should have a snake case name
[INFO] [stderr]  --> src/bin/pe_019.rs:5:4
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn sundays_in_Jans(start_yr: i32, end_yr: i32) -> u32 {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `sundays_in_jans`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `h`
[INFO] [stderr]  --> src/bin/pe_024.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let h = (1..10).fold(1, |acc, i| {
[INFO] [stderr]   |         ^ help: consider prefixing with an underscore: `_h`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `T` should have a snake case name
[INFO] [stderr]   --> src/bin/pe_024.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let mut T = 1;
[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: static variable `dp` should have an upper case name
[INFO] [stderr]   --> src/bin/ks_2018b2_unsafe.rs:54:12
[INFO] [stderr]    |
[INFO] [stderr] 54 | static mut dp: &'static mut [[u64; (1u32 << 16) as usize]; 101] =
[INFO] [stderr]    |            ^^ help: convert the identifier to upper case: `DP`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `ok` should have an upper case name
[INFO] [stderr]   --> src/bin/ks_2018b2_unsafe.rs:56:12
[INFO] [stderr]    |
[INFO] [stderr] 56 | static mut ok: &'static mut [[bool; (1u32 << 16) as usize]; 101] =
[INFO] [stderr]    |            ^^ help: convert the identifier to upper case: `OK`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `T` should have a snake case name
[INFO] [stderr]    --> src/bin/ks_2018b2_unsafe.rs:142:9
[INFO] [stderr]     |
[INFO] [stderr] 142 |     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] error: build failed
[INFO] running `"docker" "inspect" "f0fe95c11ebe7918cbea2fe678584b25f160184f6e9ce75695aefdbf55bddd36"`
[INFO] running `"docker" "rm" "-f" "f0fe95c11ebe7918cbea2fe678584b25f160184f6e9ce75695aefdbf55bddd36"`
[INFO] [stdout] f0fe95c11ebe7918cbea2fe678584b25f160184f6e9ce75695aefdbf55bddd36