[INFO] updating cached repository neelayjunnarkar/Proj_Euler
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/neelayjunnarkar/Proj_Euler
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/neelayjunnarkar/Proj_Euler" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/neelayjunnarkar/Proj_Euler"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/neelayjunnarkar/Proj_Euler'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/neelayjunnarkar/Proj_Euler" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/neelayjunnarkar/Proj_Euler"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/neelayjunnarkar/Proj_Euler'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2fcfe938b1c1c1701e44573307a329796fa3186f
[INFO] sha for GitHub repo neelayjunnarkar/Proj_Euler: 2fcfe938b1c1c1701e44573307a329796fa3186f
[INFO] validating manifest of neelayjunnarkar/Proj_Euler on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of neelayjunnarkar/Proj_Euler on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing neelayjunnarkar/Proj_Euler
[INFO] finished frobbing neelayjunnarkar/Proj_Euler
[INFO] frobbed toml for neelayjunnarkar/Proj_Euler written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/neelayjunnarkar/Proj_Euler/Cargo.toml
[INFO] started frobbing neelayjunnarkar/Proj_Euler
[INFO] finished frobbing neelayjunnarkar/Proj_Euler
[INFO] frobbed toml for neelayjunnarkar/Proj_Euler written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/neelayjunnarkar/Proj_Euler/Cargo.toml
[INFO] crate neelayjunnarkar/Proj_Euler already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking neelayjunnarkar/Proj_Euler against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-1/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/neelayjunnarkar/Proj_Euler:/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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9142f3cb1da4a2c70767aad090d6ba5be5654f4bdf4a443f168723ca643e9e7a
[INFO] running `"docker" "start" "-a" "9142f3cb1da4a2c70767aad090d6ba5be5654f4bdf4a443f168723ca643e9e7a"`
[INFO] [stderr]     Checking Proj_Euler v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::num::*`
[INFO] [stderr]  --> src/prob3.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::num::*;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: label name `'y_pos` shadows a label name that is already in scope
[INFO] [stderr]    --> src/prob11.rs:106:9
[INFO] [stderr]     |
[INFO] [stderr] 90  |         'y_pos: for y in 0..(h-n_adjacents) {
[INFO] [stderr]     |         ------ first declared here
[INFO] [stderr] ...
[INFO] [stderr] 106 |         'y_pos: for y in 0..(h-n_adjacents) {
[INFO] [stderr]     |         ^^^^^^ lifetime 'y_pos already in scope
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::num::*`
[INFO] [stderr]  --> src/prob3.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::num::*;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: label name `'y_pos` shadows a label name that is already in scope
[INFO] [stderr]    --> src/prob11.rs:106:9
[INFO] [stderr]     |
[INFO] [stderr] 90  |         'y_pos: for y in 0..(h-n_adjacents) {
[INFO] [stderr]     |         ------ first declared here
[INFO] [stderr] ...
[INFO] [stderr] 106 |         'y_pos: for y in 0..(h-n_adjacents) {
[INFO] [stderr]     |         ^^^^^^ lifetime 'y_pos already in scope
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `temp_max` is never read
[INFO] [stderr]   --> src/prob11.rs:54:13
[INFO] [stderr]    |
[INFO] [stderr] 54 |     let mut temp_max = 1;
[INFO] [stderr]    |             ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `temp_max` is never read
[INFO] [stderr]   --> src/prob11.rs:70:5
[INFO] [stderr]    |
[INFO] [stderr] 70 |     temp_max = 1;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `temp_max` is never read
[INFO] [stderr]   --> src/prob11.rs:86:5
[INFO] [stderr]    |
[INFO] [stderr] 86 |     temp_max = 1;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `temp_max` is never read
[INFO] [stderr]    --> src/prob11.rs:102:5
[INFO] [stderr]     |
[INFO] [stderr] 102 |     temp_max = 1;
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `temp_max` is never read
[INFO] [stderr]   --> src/prob11.rs:54:13
[INFO] [stderr]    |
[INFO] [stderr] 54 |     let mut temp_max = 1;
[INFO] [stderr]    |             ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `temp_max` is never read
[INFO] [stderr]   --> src/prob11.rs:70:5
[INFO] [stderr]    |
[INFO] [stderr] 70 |     temp_max = 1;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `temp_max` is never read
[INFO] [stderr]   --> src/prob11.rs:86:5
[INFO] [stderr]    |
[INFO] [stderr] 86 |     temp_max = 1;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `temp_max` is never read
[INFO] [stderr]    --> src/prob11.rs:102:5
[INFO] [stderr]     |
[INFO] [stderr] 102 |     temp_max = 1;
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `factorial`
[INFO] [stderr]   --> src/prob15.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn factorial(n: u64) -> u64 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Proj_Euler` 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: `proj_euler`
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
[INFO] [stderr]   --> src/prob7.rs:6:5
[INFO] [stderr]    |
[INFO] [stderr] 6  | /     (1..55_250).map(|x|x*2+1)
[INFO] [stderr] 7  | |         .filter(|&x| -> bool {
[INFO] [stderr] 8  | |                 for prime in &primes { 
[INFO] [stderr] 9  | |                     if x % *prime == 0 && x != *prime { return false }
[INFO] [stderr] ...  |
[INFO] [stderr] 14 | |             })
[INFO] [stderr] 15 | |         .collect::<Vec<u32>>();
[INFO] [stderr]    | |_______________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `factorial`
[INFO] [stderr]   --> src/prob15.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn factorial(n: u64) -> u64 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Proj_Euler` 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: `proj_euler`
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
[INFO] [stderr]   --> src/prob7.rs:6:5
[INFO] [stderr]    |
[INFO] [stderr] 6  | /     (1..55_250).map(|x|x*2+1)
[INFO] [stderr] 7  | |         .filter(|&x| -> bool {
[INFO] [stderr] 8  | |                 for prime in &primes { 
[INFO] [stderr] 9  | |                     if x % *prime == 0 && x != *prime { return false }
[INFO] [stderr] ...  |
[INFO] [stderr] 14 | |             })
[INFO] [stderr] 15 | |         .collect::<Vec<u32>>();
[INFO] [stderr]    | |_______________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:2:13
[INFO] [stderr]   |
[INFO] [stderr] 2 | #[macro_use(run)]
[INFO] [stderr]   |             ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Proj_Euler` 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: `proj_euler`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:2:13
[INFO] [stderr]   |
[INFO] [stderr] 2 | #[macro_use(run)]
[INFO] [stderr]   |             ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Proj_Euler` 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: `proj_euler`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.93s
[INFO] running `"docker" "inspect" "9142f3cb1da4a2c70767aad090d6ba5be5654f4bdf4a443f168723ca643e9e7a"`
[INFO] running `"docker" "rm" "-f" "9142f3cb1da4a2c70767aad090d6ba5be5654f4bdf4a443f168723ca643e9e7a"`
[INFO] [stdout] 9142f3cb1da4a2c70767aad090d6ba5be5654f4bdf4a443f168723ca643e9e7a