[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 try#98d5ea1855f1028095b37c493ba31093c8519d68 for pr-69548
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsogapalag%2FProblems_Rust" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sogapalag/Problems_Rust on toolchain 98d5ea1855f1028095b37c493ba31093c8519d68
[INFO] running `"/workspace/cargo-home/bin/cargo" "+98d5ea1855f1028095b37c493ba31093c8519d68" "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-1/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" "+98d5ea1855f1028095b37c493ba31093c8519d68" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-1/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[INFO] the lockfile is outdated, regenerating it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" "+98d5ea1855f1028095b37c493ba31093c8519d68" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+98d5ea1855f1028095b37c493ba31093c8519d68" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "+98d5ea1855f1028095b37c493ba31093c8519d68" "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] b0067af9a6a510ca7baa3f296cab54a5a94ddbe56224a84db55aaae203820255
[INFO] running `"docker" "start" "-a" "b0067af9a6a510ca7baa3f296cab54a5a94ddbe56224a84db55aaae203820255"`
[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 num v0.2.1
[INFO] [stderr]     Checking primal v0.2.3
[INFO] [stderr]     Checking Problems_Rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: expected item after doc comment
[INFO] [stderr]  --> src/bin/pe_009.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | / /// note c = 500 -ab/1000
[INFO] [stderr] 2 | | /// => a+b = 500 + ab/1000
[INFO] [stderr] 3 | | /// simple a/5, b=200,
[INFO] [stderr] 4 | | /// => 4a/5 = 300 => a = 375
[INFO] [stderr] 5 | | /// thus 
[INFO] [stderr]   | |_________- other attributes here
[INFO] [stderr] 6 |   /// abc = 375*200*425 = 31875000
[INFO] [stderr]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this doc comment doesn't document anything
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[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] error: expected item after doc comment
[INFO] [stderr]  --> src/bin/pe_009.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | / /// note c = 500 -ab/1000
[INFO] [stderr] 2 | | /// => a+b = 500 + ab/1000
[INFO] [stderr] 3 | | /// simple a/5, b=200,
[INFO] [stderr] 4 | | /// => 4a/5 = 300 => a = 375
[INFO] [stderr] 5 | | /// thus 
[INFO] [stderr]   | |_________- other attributes here
[INFO] [stderr] 6 |   /// abc = 375*200*425 = 31875000
[INFO] [stderr]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this doc comment doesn't document anything
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[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: unused import: `std::cmp`
[INFO] [stderr]   --> src/bin/ks_2018d2.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 | 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_2018d2.rs:69:24
[INFO] [stderr]    |
[INFO] [stderr] 69 | use std::collections::{HashMap, HashSet};
[INFO] [stderr]    |                        ^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BTreeMap`, `BTreeSet`
[INFO] [stderr]   --> src/bin/ks_2018d2.rs:70:24
[INFO] [stderr]    |
[INFO] [stderr] 70 | use std::collections::{BTreeMap, BTreeSet};
[INFO] [stderr]    |                        ^^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `mem`, `ptr`
[INFO] [stderr]   --> src/bin/ks_2018d2.rs:71:11
[INFO] [stderr]    |
[INFO] [stderr] 71 | 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_2018d2.rs:73:6
[INFO] [stderr]    |
[INFO] [stderr] 73 | type vi32 = Vec<i32>;
[INFO] [stderr]    |      ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `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_2018d2.rs:74:6
[INFO] [stderr]    |
[INFO] [stderr] 74 | type vi64 = Vec<i64>;
[INFO] [stderr]    |      ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Vi64`
[INFO] [stderr] 
[INFO] [stderr] warning: type `vu32` should have an upper camel case name
[INFO] [stderr]   --> src/bin/ks_2018d2.rs:75:6
[INFO] [stderr]    |
[INFO] [stderr] 75 | type vu32 = Vec<u32>;
[INFO] [stderr]    |      ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Vu32`
[INFO] [stderr] 
[INFO] [stderr] warning: type `vu64` should have an upper camel case name
[INFO] [stderr]   --> src/bin/ks_2018d2.rs:76:6
[INFO] [stderr]    |
[INFO] [stderr] 76 | type vu64 = Vec<u64>;
[INFO] [stderr]    |      ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Vu64`
[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: type `vusz` should have an upper camel case name
[INFO] [stderr]   --> src/bin/ks_2018d2.rs:77:6
[INFO] [stderr]    |
[INFO] [stderr] 77 | type vusz = Vec<usize>;
[INFO] [stderr]    |      ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Vusz`
[INFO] [stderr] 
[INFO] [stderr] warning: type `vf32` should have an upper camel case name
[INFO] [stderr]   --> src/bin/ks_2018d2.rs:78:6
[INFO] [stderr]    |
[INFO] [stderr] 78 | type vf32 = Vec<f32>;
[INFO] [stderr]    |      ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Vf32`
[INFO] [stderr] 
[INFO] [stderr] warning: type `vf64` should have an upper camel case name
[INFO] [stderr]   --> src/bin/ks_2018d2.rs:79:6
[INFO] [stderr]    |
[INFO] [stderr] 79 | type vf64 = Vec<f64>;
[INFO] [stderr]    |      ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Vf64`
[INFO] [stderr] 
[INFO] [stderr] warning: type `v2i64` should have an upper camel case name
[INFO] [stderr]   --> src/bin/ks_2018d2.rs:81:6
[INFO] [stderr]    |
[INFO] [stderr] 81 | type v2i64 = Vec<[i64;2]>;
[INFO] [stderr]    |      ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `V2i64`
[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: 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 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: `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_2018d2.rs:89:9
[INFO] [stderr]    |
[INFO] [stderr] 89 |     let mut vp: vi64;
[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_2018d2.rs:90:9
[INFO] [stderr]    |
[INFO] [stderr] 90 |     let mut vh: vi64;
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[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: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/ks_2018d2.rs:91:9
[INFO] [stderr]    |
[INFO] [stderr] 91 |     let mut vx: vi64;
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/ks_2018d2.rs:92:9
[INFO] [stderr]    |
[INFO] [stderr] 92 |     let mut vy: vi64;
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `vi32`
[INFO] [stderr]   --> src/bin/ks_2018d2.rs:73:1
[INFO] [stderr]    |
[INFO] [stderr] 73 | type vi32 = Vec<i32>;
[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_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: 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: type alias is never used: `vu32`
[INFO] [stderr]   --> src/bin/ks_2018d2.rs:75:1
[INFO] [stderr]    |
[INFO] [stderr] 75 | type vu32 = Vec<u32>;
[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: type alias is never used: `vu64`
[INFO] [stderr]   --> src/bin/ks_2018d2.rs:76:1
[INFO] [stderr]    |
[INFO] [stderr] 76 | type vu64 = Vec<u64>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `vusz`
[INFO] [stderr]   --> src/bin/ks_2018d2.rs:77:1
[INFO] [stderr]    |
[INFO] [stderr] 77 | type vusz = Vec<usize>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `vf32`
[INFO] [stderr]   --> src/bin/ks_2018d2.rs:78:1
[INFO] [stderr]    |
[INFO] [stderr] 78 | type vf32 = Vec<f32>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `vf64`
[INFO] [stderr]   --> src/bin/ks_2018d2.rs:79:1
[INFO] [stderr]    |
[INFO] [stderr] 79 | type vf64 = Vec<f64>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `v2i64`
[INFO] [stderr]   --> src/bin/ks_2018d2.rs:81:1
[INFO] [stderr]    |
[INFO] [stderr] 81 | type v2i64 = Vec<[i64;2]>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `MOD`
[INFO] [stderr]   --> src/bin/ks_2018d2.rs:83:1
[INFO] [stderr]    |
[INFO] [stderr] 83 | const MOD: u64 = 1_000_000_007;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NINF`
[INFO] [stderr]   --> src/bin/ks_2018d2.rs:84:1
[INFO] [stderr]    |
[INFO] [stderr] 84 | const NINF: i64 = i64::min_value();
[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: 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: 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 `PH` should have a snake case name
[INFO] [stderr]    --> src/bin/ks_2018d2.rs:129:13
[INFO] [stderr]     |
[INFO] [stderr] 129 |     let mut PH = [0, 0];
[INFO] [stderr]     |             ^^ help: convert the identifier to snake case: `ph`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[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] 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_2018d2.rs:172:9
[INFO] [stderr]     |
[INFO] [stderr] 172 |     let T = read!(usize);
[INFO] [stderr]     |         ^ help: convert the identifier to snake case: `t`
[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: unused import: `std::cmp`
[INFO] [stderr]   --> src/bin/ks_2018c3.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 | 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_2018c3.rs:52:24
[INFO] [stderr]    |
[INFO] [stderr] 52 | use std::collections::{HashMap, HashSet};
[INFO] [stderr]    |                        ^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `mem`, `ptr`
[INFO] [stderr]   --> src/bin/ks_2018c3.rs:53:11
[INFO] [stderr]    |
[INFO] [stderr] 53 | 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_2018c3.rs:55:6
[INFO] [stderr]    |
[INFO] [stderr] 55 | type vi32 = Vec<i32>;
[INFO] [stderr]    |      ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `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_2018c3.rs:56:6
[INFO] [stderr]    |
[INFO] [stderr] 56 | type vi64 = Vec<i64>;
[INFO] [stderr]    |      ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Vi64`
[INFO] [stderr] 
[INFO] [stderr] warning: type `vu32` should have an upper camel case name
[INFO] [stderr]   --> src/bin/ks_2018c3.rs:57:6
[INFO] [stderr]    |
[INFO] [stderr] 57 | type vu32 = Vec<u32>;
[INFO] [stderr]    |      ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Vu32`
[INFO] [stderr] 
[INFO] [stderr] warning: type `vu64` should have an upper camel case name
[INFO] [stderr]   --> src/bin/ks_2018c3.rs:58:6
[INFO] [stderr]    |
[INFO] [stderr] 58 | type vu64 = Vec<u64>;
[INFO] [stderr]    |      ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Vu64`
[INFO] [stderr] 
[INFO] [stderr] warning: type `vusz` should have an upper camel case name
[INFO] [stderr]   --> src/bin/ks_2018c3.rs:59:6
[INFO] [stderr]    |
[INFO] [stderr] 59 | type vusz = Vec<usize>;
[INFO] [stderr]    |      ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Vusz`
[INFO] [stderr] 
[INFO] [stderr] warning: type `vf32` should have an upper camel case name
[INFO] [stderr]   --> src/bin/ks_2018c3.rs:60:6
[INFO] [stderr]    |
[INFO] [stderr] 60 | type vf32 = Vec<f32>;
[INFO] [stderr]    |      ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Vf32`
[INFO] [stderr] 
[INFO] [stderr] warning: type `vf64` should have an upper camel case name
[INFO] [stderr]   --> src/bin/ks_2018c3.rs:61:6
[INFO] [stderr]    |
[INFO] [stderr] 61 | type vf64 = Vec<f64>;
[INFO] [stderr]    |      ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Vf64`
[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: 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 `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: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/ks_2018c3.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 67 |     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: 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: type alias is never used: `vi32`
[INFO] [stderr]   --> src/bin/ks_2018c3.rs:55:1
[INFO] [stderr]    |
[INFO] [stderr] 55 | 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_2018c3.rs:56:1
[INFO] [stderr]    |
[INFO] [stderr] 56 | type vi64 = Vec<i64>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `vu32`
[INFO] [stderr]   --> src/bin/ks_2018c3.rs:57:1
[INFO] [stderr]    |
[INFO] [stderr] 57 | type vu32 = Vec<u32>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `vu64`
[INFO] [stderr]   --> src/bin/ks_2018c3.rs:58:1
[INFO] [stderr]    |
[INFO] [stderr] 58 | type vu64 = Vec<u64>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `vusz`
[INFO] [stderr]   --> src/bin/ks_2018c3.rs:59:1
[INFO] [stderr]    |
[INFO] [stderr] 59 | type vusz = Vec<usize>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `vf32`
[INFO] [stderr]   --> src/bin/ks_2018c3.rs:60:1
[INFO] [stderr]    |
[INFO] [stderr] 60 | type vf32 = Vec<f32>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `vf64`
[INFO] [stderr]   --> src/bin/ks_2018c3.rs:61:1
[INFO] [stderr]    |
[INFO] [stderr] 61 | type vf64 = Vec<f64>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `A` should have a snake case name
[INFO] [stderr]   --> src/bin/ks_2018c3.rs:74:13
[INFO] [stderr]    |
[INFO] [stderr] 74 |     let mut A = vec![0u64; n + 1];
[INFO] [stderr]    |             ^ help: convert the identifier to snake case: `a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `IE` should have a snake case name
[INFO] [stderr]   --> src/bin/ks_2018c3.rs:89:13
[INFO] [stderr]    |
[INFO] [stderr] 89 |     let mut IE = vec![vec![0u64; LOG]; n + 1];
[INFO] [stderr]    |             ^^ help: convert the identifier to snake case: `ie`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `MK` should have a snake case name
[INFO] [stderr]   --> src/bin/ks_2018c3.rs:99:13
[INFO] [stderr]    |
[INFO] [stderr] 99 |     let mut MK = vec![1u64; n + 1];
[INFO] [stderr]    |             ^^ help: convert the identifier to snake case: `mk`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `T` should have a snake case name
[INFO] [stderr]    --> src/bin/ks_2018c3.rs:139:9
[INFO] [stderr]     |
[INFO] [stderr] 139 |     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" "b0067af9a6a510ca7baa3f296cab54a5a94ddbe56224a84db55aaae203820255"`
[INFO] running `"docker" "rm" "-f" "b0067af9a6a510ca7baa3f296cab54a5a94ddbe56224a84db55aaae203820255"`
[INFO] [stdout] b0067af9a6a510ca7baa3f296cab54a5a94ddbe56224a84db55aaae203820255