[INFO] updating cached repository sogapalag/Problems_Rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sogapalag/Problems_Rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sogapalag/Problems_Rust" "work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/sogapalag/Problems_Rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/sogapalag/Problems_Rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sogapalag/Problems_Rust" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/sogapalag/Problems_Rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/sogapalag/Problems_Rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c22bcbd6f76a287581cc261ab73b53ce01fc3aca
[INFO] sha for GitHub repo sogapalag/Problems_Rust: c22bcbd6f76a287581cc261ab73b53ce01fc3aca
[INFO] validating manifest of sogapalag/Problems_Rust on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sogapalag/Problems_Rust on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sogapalag/Problems_Rust
[INFO] finished frobbing sogapalag/Problems_Rust
[INFO] frobbed toml for sogapalag/Problems_Rust written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/sogapalag/Problems_Rust/Cargo.toml
[INFO] started frobbing sogapalag/Problems_Rust
[INFO] finished frobbing sogapalag/Problems_Rust
[INFO] frobbed toml for sogapalag/Problems_Rust written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/sogapalag/Problems_Rust/Cargo.toml
[INFO] crate sogapalag/Problems_Rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/sogapalag/Problems_Rust/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking sogapalag/Problems_Rust against master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7 for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-6/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/sogapalag/Problems_Rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 21f945b8ef0459d114675f8a474ca62153ec7c913d7681d9d2079e621e942bca
[INFO] running `"docker" "start" "-a" "21f945b8ef0459d114675f8a474ca62153ec7c913d7681d9d2079e621e942bca"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking primal-sieve v0.2.9
[INFO] [stderr]     Checking num-bigint v0.2.2
[INFO] [stderr]     Checking primal-check v0.2.3
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]     Checking primal v0.2.3
[INFO] [stderr]     Checking num-rational v0.2.2
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking Problems_Rust v0.1.0 (/opt/crater/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] error: expected item after doc comment
[INFO] [stderr]  --> src/bin/pe_009.rs:6:1
[INFO] [stderr]   |
[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: expected item after doc comment
[INFO] [stderr]  --> src/bin/pe_009.rs:6:1
[INFO] [stderr]   |
[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] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `Problems_Rust`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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 `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: 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: `BTreeSet`
[INFO] [stderr]   --> src/bin/ks_2018d1.rs:69:34
[INFO] [stderr]    |
[INFO] [stderr] 69 | use std::collections::{BTreeMap, BTreeSet};
[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_2018d1.rs:70:24
[INFO] [stderr]    |
[INFO] [stderr] 70 | use std::collections::{HashMap, HashSet};
[INFO] [stderr]    |                        ^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `mem`, `ptr`
[INFO] [stderr]   --> src/bin/ks_2018d1.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_2018d1.rs:73:6
[INFO] [stderr]    |
[INFO] [stderr] 73 | 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_2018d1.rs:74:6
[INFO] [stderr]    |
[INFO] [stderr] 74 | 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_2018d1.rs:75:6
[INFO] [stderr]    |
[INFO] [stderr] 75 | 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_2018d1.rs:76:6
[INFO] [stderr]    |
[INFO] [stderr] 76 | 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_2018d1.rs:77:6
[INFO] [stderr]    |
[INFO] [stderr] 77 | 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_2018d1.rs:78:6
[INFO] [stderr]    |
[INFO] [stderr] 78 | 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_2018d1.rs:79:6
[INFO] [stderr]    |
[INFO] [stderr] 79 | type vf64 = Vec<f64>;
[INFO] [stderr]    |      ^^^^ help: convert the identifier to upper camel case: `Vf64`
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `vi32`
[INFO] [stderr]   --> src/bin/ks_2018d1.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: type alias is never used: `vi64`
[INFO] [stderr]   --> src/bin/ks_2018d1.rs:74:1
[INFO] [stderr]    |
[INFO] [stderr] 74 | type vi64 = Vec<i64>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `vu32`
[INFO] [stderr]   --> src/bin/ks_2018d1.rs:75:1
[INFO] [stderr]    |
[INFO] [stderr] 75 | type vu32 = Vec<u32>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `vu64`
[INFO] [stderr]   --> src/bin/ks_2018d1.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_2018d1.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_2018d1.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_2018d1.rs:79:1
[INFO] [stderr]    |
[INFO] [stderr] 79 | type vf64 = Vec<f64>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `MOD`
[INFO] [stderr]   --> src/bin/ks_2018d1.rs:81:1
[INFO] [stderr]    |
[INFO] [stderr] 81 | const MOD: u64 = 1_000_000_007;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `T` should have a snake case name
[INFO] [stderr]    --> src/bin/ks_2018d1.rs:160:9
[INFO] [stderr]     |
[INFO] [stderr] 160 |     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" "21f945b8ef0459d114675f8a474ca62153ec7c913d7681d9d2079e621e942bca"`
[INFO] running `"docker" "rm" "-f" "21f945b8ef0459d114675f8a474ca62153ec7c913d7681d9d2079e621e942bca"`
[INFO] [stdout] 21f945b8ef0459d114675f8a474ca62153ec7c913d7681d9d2079e621e942bca