[INFO] cloning repository https://github.com/sogapalag/Problems_Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sogapalag/Problems_Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsogapalag%2FProblems_Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsogapalag%2FProblems_Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c22bcbd6f76a287581cc261ab73b53ce01fc3aca
[INFO] testing sogapalag/Problems_Rust against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsogapalag%2FProblems_Rust" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[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 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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[INFO] the lockfile is outdated, regenerating it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 `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4aa7b9fedd5e8dfe5a30f9c0f8eea0073afdc78823df501f3c53ad7c7b238753
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4aa7b9fedd5e8dfe5a30f9c0f8eea0073afdc78823df501f3c53ad7c7b238753", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4aa7b9fedd5e8dfe5a30f9c0f8eea0073afdc78823df501f3c53ad7c7b238753", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4aa7b9fedd5e8dfe5a30f9c0f8eea0073afdc78823df501f3c53ad7c7b238753", kill_on_drop: false }`
[INFO] [stdout] 4aa7b9fedd5e8dfe5a30f9c0f8eea0073afdc78823df501f3c53ad7c7b238753
[INFO] running `Command { std: "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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] eb923e5850e188a399f6d6247c350aec2df32045ff65dbce8a588448ca5916d9
[INFO] running `Command { std: "docker" "start" "-a" "eb923e5850e188a399f6d6247c350aec2df32045ff65dbce8a588448ca5916d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling hamming v0.1.3
[INFO] [stderr]    Compiling primal-estimate v0.2.1
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling primal-bit v0.2.4
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling primal-sieve v0.2.9
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling primal-check v0.2.3
[INFO] [stderr]    Compiling chrono v0.4.13
[INFO] [stderr]    Compiling primal v0.2.3
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling Problems_Rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected item after doc comment
[INFO] [stdout]  --> src/bin/pe_009.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / /// note c = 500 -ab/1000
[INFO] [stdout] 2 | | /// => a+b = 500 + ab/1000
[INFO] [stdout] 3 | | /// simple a/5, b=200,
[INFO] [stdout] 4 | | /// => 4a/5 = 300 => a = 375
[INFO] [stdout] 5 | | /// thus 
[INFO] [stdout]   | |_________- other attributes here
[INFO] [stdout] 6 |   /// abc = 375*200*425 = 31875000
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this doc comment doesn't document anything
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[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] [stdout] warning: unused import: `Duration`
[INFO] [stdout]  --> src/bin/pe_036.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::time::{Duration, Instant};
[INFO] [stdout]   |                 ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp`
[INFO] [stdout]   --> src/bin/ks_2018c2.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | use std::cmp;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap`, `HashSet`
[INFO] [stdout]   --> src/bin/ks_2018c2.rs:43:24
[INFO] [stdout]    |
[INFO] [stdout] 43 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]    |                        ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `mem`, `ptr`
[INFO] [stdout]   --> src/bin/ks_2018c2.rs:44:11
[INFO] [stdout]    |
[INFO] [stdout] 44 | use std::{mem, ptr};
[INFO] [stdout]    |           ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `vi32` should have an upper camel case name
[INFO] [stdout]   --> src/bin/ks_2018c2.rs:46:6
[INFO] [stdout]    |
[INFO] [stdout] 46 | type vi32 = Vec<i32>;
[INFO] [stdout]    |      ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Vi32`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `vi64` should have an upper camel case name
[INFO] [stdout]   --> src/bin/ks_2018c2.rs:47:6
[INFO] [stdout]    |
[INFO] [stdout] 47 | type vi64 = Vec<i64>;
[INFO] [stdout]    |      ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Vi64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `vu32` should have an upper camel case name
[INFO] [stdout]   --> src/bin/ks_2018c2.rs:48:6
[INFO] [stdout]    |
[INFO] [stdout] 48 | type vu32 = Vec<u32>;
[INFO] [stdout]    |      ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Vu32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `vu64` should have an upper camel case name
[INFO] [stdout]   --> src/bin/ks_2018c2.rs:49:6
[INFO] [stdout]    |
[INFO] [stdout] 49 | type vu64 = Vec<u64>;
[INFO] [stdout]    |      ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Vu64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `vusz` should have an upper camel case name
[INFO] [stdout]   --> src/bin/ks_2018c2.rs:50:6
[INFO] [stdout]    |
[INFO] [stdout] 50 | type vusz = Vec<usize>;
[INFO] [stdout]    |      ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Vusz`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `vf32` should have an upper camel case name
[INFO] [stdout]   --> src/bin/ks_2018c2.rs:51:6
[INFO] [stdout]    |
[INFO] [stdout] 51 | type vf32 = Vec<f32>;
[INFO] [stdout]    |      ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Vf32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `vf64` should have an upper camel case name
[INFO] [stdout]   --> src/bin/ks_2018c2.rs:52:6
[INFO] [stdout]    |
[INFO] [stdout] 52 | type vf64 = Vec<f64>;
[INFO] [stdout]    |      ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Vf64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/bin/ks_2018a1.rs:75:14
[INFO] [stdout]    |
[INFO] [stdout] 75 |     for t in (1..T+1) {
[INFO] [stdout]    |              ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp`
[INFO] [stdout]   --> src/bin/ks_2018b2.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | use std::cmp;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap`, `HashSet`
[INFO] [stdout]   --> src/bin/ks_2018b2.rs:46:24
[INFO] [stdout]    |
[INFO] [stdout] 46 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]    |                        ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]   --> src/bin/ks_2018b2.rs:47:17
[INFO] [stdout]    |
[INFO] [stdout] 47 | use std::time::{Duration, Instant};
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `n` should have an upper case name
[INFO] [stdout]   --> src/bin/pe_260.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 |     const n: usize = 1000;
[INFO] [stdout]    |           ^ help: convert the identifier to upper case: `N`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lim`
[INFO] [stdout]   --> src/bin/pe_025.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let lim = log2_10 * 999f64;
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_lim`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/ks_2018c2.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let mut v: Vec<_>;
[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: type alias is never used: `vi32`
[INFO] [stdout]   --> src/bin/ks_2018c2.rs:46:1
[INFO] [stdout]    |
[INFO] [stdout] 46 | type vi32 = Vec<i32>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `vi64`
[INFO] [stdout]   --> src/bin/ks_2018c2.rs:47:1
[INFO] [stdout]    |
[INFO] [stdout] 47 | type vi64 = Vec<i64>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `vu64`
[INFO] [stdout]   --> src/bin/ks_2018c2.rs:49:1
[INFO] [stdout]    |
[INFO] [stdout] 49 | type vu64 = Vec<u64>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `vusz`
[INFO] [stdout]   --> src/bin/ks_2018c2.rs:50:1
[INFO] [stdout]    |
[INFO] [stdout] 50 | type vusz = Vec<usize>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `vf32`
[INFO] [stdout]   --> src/bin/ks_2018c2.rs:51:1
[INFO] [stdout]    |
[INFO] [stdout] 51 | type vf32 = Vec<f32>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `vf64`
[INFO] [stdout]   --> src/bin/ks_2018c2.rs:52:1
[INFO] [stdout]    |
[INFO] [stdout] 52 | type vf64 = Vec<f64>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `L` should have a snake case name
[INFO] [stdout]   --> src/bin/ks_2018c2.rs:59:39
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn checkfrom(mask: u32, s: &mut vu32, L: &Vec<vu32>, N: usize) -> u32 {
[INFO] [stdout]    |                                       ^ help: convert the identifier to snake case: `l`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]   --> src/bin/ks_2018c2.rs:59:54
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn checkfrom(mask: u32, s: &mut vu32, L: &Vec<vu32>, N: usize) -> u32 {
[INFO] [stdout]    |                                                      ^ help: convert the identifier to snake case: `n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `L` should have a snake case name
[INFO] [stdout]   --> src/bin/ks_2018c2.rs:85:13
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let mut L: Vec<vu32> = Vec::new();
[INFO] [stdout]    |             ^ help: convert the identifier to snake case: `l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `T` should have a snake case name
[INFO] [stdout]   --> src/bin/ks_2018c2.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |     let T = read!(usize);
[INFO] [stdout]    |         ^ help: convert the identifier to snake case: `t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `L` should have a snake case name
[INFO] [stdout]   --> src/bin/pe_034.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let L = 3_000_000;
[INFO] [stdout]    |         ^ help: convert the identifier to snake case: `l`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]   --> src/bin/ks_2018a1.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn compute(N: &String) -> u64 {
[INFO] [stdout]    |            ^ help: convert the identifier to snake case: `n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SUB` should have a snake case name
[INFO] [stdout]   --> src/bin/ks_2018a1.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let SUB = n - down.parse::<u64>().unwrap();
[INFO] [stdout]    |         ^^^ help: convert the identifier to snake case: `sub`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `ADD` should have a snake case name
[INFO] [stdout]   --> src/bin/ks_2018a1.rs:61:17
[INFO] [stdout]    |
[INFO] [stdout] 61 |             let ADD = up.parse::<u64>().unwrap() - n;
[INFO] [stdout]    |                 ^^^ help: convert the identifier to snake case: `add`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]   --> src/bin/ks_2018a1.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let N = read!(String);
[INFO] [stdout]    |         ^ help: convert the identifier to snake case: `n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `T` should have a snake case name
[INFO] [stdout]   --> src/bin/ks_2018a1.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let T = read!(usize);
[INFO] [stdout]    |         ^ help: convert the identifier to snake case: `t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/ks_2018b2.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let mut v: Vec<_>;
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/ks_2018b2.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let mut abc: Vec<_>;
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `T` should have a snake case name
[INFO] [stdout]    --> src/bin/ks_2018b2.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout] 101 |     let T = read!(usize);
[INFO] [stdout]     |         ^ help: convert the identifier to snake case: `t`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "eb923e5850e188a399f6d6247c350aec2df32045ff65dbce8a588448ca5916d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb923e5850e188a399f6d6247c350aec2df32045ff65dbce8a588448ca5916d9", kill_on_drop: false }`
[INFO] [stdout] eb923e5850e188a399f6d6247c350aec2df32045ff65dbce8a588448ca5916d9