[INFO] cloning repository https://github.com/a-phillips/PE-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/a-phillips/PE-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa-phillips%2FPE-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa-phillips%2FPE-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0df0b92fbd084f0d74abc54fea404d52662d4d20
[INFO] checking a-phillips/PE-Rust against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa-phillips%2FPE-Rust" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/a-phillips/PE-Rust on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/a-phillips/PE-Rust
[INFO] finished tweaking git repo https://github.com/a-phillips/PE-Rust
[INFO] tweaked toml for git repo https://github.com/a-phillips/PE-Rust written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/a-phillips/PE-Rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e43a269bb37cbb19f0a7f4ba5a6b2a52986537e530053432238be78dc7f34e1
[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" "3e43a269bb37cbb19f0a7f4ba5a6b2a52986537e530053432238be78dc7f34e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e43a269bb37cbb19f0a7f4ba5a6b2a52986537e530053432238be78dc7f34e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e43a269bb37cbb19f0a7f4ba5a6b2a52986537e530053432238be78dc7f34e1", kill_on_drop: false }`
[INFO] [stdout] 3e43a269bb37cbb19f0a7f4ba5a6b2a52986537e530053432238be78dc7f34e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23fdbdb9a28c283c8815bf031428e2aa881f99d84c803232d39e3f8a5c0f1fa8
[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" "23fdbdb9a28c283c8815bf031428e2aa881f99d84c803232d39e3f8a5c0f1fa8", kill_on_drop: false }`
[INFO] [stderr]     Checking PE v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: invalid suffix `i` for number literal
[INFO] [stdout]   --> src/bin/PE015.rs:27:21
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let answer = range(0i, (20+1)).map(|x| n_choose_r(20, x).pow(2)).fold(0i64, |acc, i| { acc + i});
[INFO] [stdout]    |                        ^^ invalid suffix `i`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for number literal
[INFO] [stdout]  --> src/bin/PE008.rs:5:23
[INFO] [stdout]   |
[INFO] [stdout] 5 |     str_num.chars().fold(1u, |product, factor| {
[INFO] [stdout]   |                          ^^ invalid suffix `u`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for number literal
[INFO] [stdout]   --> src/bin/PE008.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let prod_len = 13u;
[INFO] [stdout]    |                    ^^^ invalid suffix `u`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for number literal
[INFO] [stdout]   --> src/bin/PE008.rs:32:23
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let products = range(0u, str_big_num.len()-prod_len+1).map(|x| get_product(str_big_num.slice(x, x+prod_len)));
[INFO] [stdout]    |                          ^^ invalid suffix `u`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::num::Float`
[INFO] [stdout]  --> src/bin/PE010.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::num::Float;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^ no `Float` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `range` in this scope
[INFO] [stdout]   --> src/bin/PE010.rs:26:15
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let answer = range(2i64, lim).filter(|x| is_prime(*x))
[INFO] [stdout]    |                  ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `i` for number literal
[INFO] [stdout]   --> src/bin/PE007.rs:35:18
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let mut count = 1i; //since 2 is prime
[INFO] [stdout]    |                     ^^ invalid suffix `i`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `i` for number literal
[INFO] [stdout]   --> src/bin/PE007.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |     while count != 10001i {
[INFO] [stdout]    |                    ^^^^^^ invalid suffix `i`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::num::Int`
[INFO] [stdout]  --> src/bin/PE015.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::num::Int;
[INFO] [stdout]   |     ^^^^^^^^^^^^^ no `Int` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `range` in this scope
[INFO] [stdout]   --> src/bin/PE008.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let products = range(0u, str_big_num.len()-prod_len+1).map(|x| get_product(str_big_num.slice(x, x+prod_len)));
[INFO] [stdout]    |                    ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `PE002` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `pe002`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `PE`
[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] error[E0412]: cannot find type `int` in this scope
[INFO] [stdout]  --> src/bin/PE015.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn n_choose_r (n:int, r:int) -> i64 {
[INFO] [stdout]   |                  ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `int` in this scope
[INFO] [stdout]  --> src/bin/PE015.rs:3:25
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn n_choose_r (n:int, r:int) -> i64 {
[INFO] [stdout]   |                         ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `range` in this scope
[INFO] [stdout]   --> src/bin/PE015.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 |     for num in range((max_den+1), (n+1)) {
[INFO] [stdout]    |                ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `range` in this scope
[INFO] [stdout]   --> src/bin/PE015.rs:27:15
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let answer = range(0i, (20+1)).map(|x| n_choose_r(20, x).pow(2)).fold(0i64, |acc, i| { acc + i});
[INFO] [stdout]    |                  ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/bin/PE015.rs:11:19
[INFO] [stdout]    |
[INFO] [stdout] 11 |     for num in range((max_den+1), (n+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: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/bin/PE015.rs:11:32
[INFO] [stdout]    |
[INFO] [stdout] 11 |     for num in range((max_den+1), (n+1)) {
[INFO] [stdout]    |                                   ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/bin/PE015.rs:27:25
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let answer = range(0i, (20+1)).map(|x| n_choose_r(20, x).pow(2)).fold(0i64, |acc, i| { acc + i});
[INFO] [stdout]    |                            ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `i` for number literal
[INFO] [stdout]  --> src/bin/PE001.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 |         return 0i;
[INFO] [stdout]   |                ^^ invalid suffix `i`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for number literal
[INFO] [stdout]   --> src/bin/PE013.rs:14:19
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let num_digits = 10u;
[INFO] [stdout]    |                      ^^^ invalid suffix `u`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0425, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for number literal
[INFO] [stdout]  --> src/bin/PE017.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let base_nums = [3u, //one
[INFO] [stdout]   |                      ^^ invalid suffix `u`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for number literal
[INFO] [stdout]   --> src/bin/PE017.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let teens = [3u, //ten
[INFO] [stdout]    |                  ^^ invalid suffix `u`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for number literal
[INFO] [stdout]   --> src/bin/PE017.rs:21:21
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let tens_prefix = [6u, //twenty
[INFO] [stdout]    |                        ^^ invalid suffix `u`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for number literal
[INFO] [stdout]   --> src/bin/PE017.rs:29:25
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let hundreds_prefix = [13u, //one hundred and
[INFO] [stdout]    |                            ^^^ invalid suffix `u`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for number literal
[INFO] [stdout]   --> src/bin/PE017.rs:38:14
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let one_K = 11u; //one thousand
[INFO] [stdout]    |                 ^^^ invalid suffix `u`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for number literal
[INFO] [stdout]   --> src/bin/PE017.rs:39:20
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let mut mut_sum = 0u;
[INFO] [stdout]    |                       ^^ invalid suffix `u`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for number literal
[INFO] [stdout]   --> src/bin/PE017.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 |     for i in range(0u, base_nums.len()) {
[INFO] [stdout]    |                    ^^ invalid suffix `u`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for number literal
[INFO] [stdout]   --> src/bin/PE017.rs:47:17
[INFO] [stdout]    |
[INFO] [stdout] 47 |     for i in range(0u, teens.len()) {
[INFO] [stdout]    |                    ^^ invalid suffix `u`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for number literal
[INFO] [stdout]   --> src/bin/PE017.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 |     for i in range(0u, tens_prefix.len()) {
[INFO] [stdout]    |                    ^^ invalid suffix `u`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for number literal
[INFO] [stdout]   --> src/bin/PE017.rs:61:17
[INFO] [stdout]    |
[INFO] [stdout] 61 |     for i in range(0u, hundreds_prefix.len()) {
[INFO] [stdout]    |                    ^^ invalid suffix `u`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for number literal
[INFO] [stdout]  --> src/bin/PE008.rs:5:23
[INFO] [stdout]   |
[INFO] [stdout] 5 |     str_num.chars().fold(1u, |product, factor| {
[INFO] [stdout]   |                          ^^ invalid suffix `u`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for number literal
[INFO] [stdout]  --> src/bin/PE033.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut i = 0u;
[INFO] [stdout]   |                 ^^ invalid suffix `u`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for number literal
[INFO] [stdout]   --> src/bin/PE033.rs:30:17
[INFO] [stdout]    |
[INFO] [stdout] 30 |     for i in range(0u, 4) {
[INFO] [stdout]    |                    ^^ invalid suffix `u`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for number literal
[INFO] [stdout]   --> src/bin/PE008.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let prod_len = 13u;
[INFO] [stdout]    |                    ^^^ invalid suffix `u`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for number literal
[INFO] [stdout]   --> src/bin/PE008.rs:32:23
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let products = range(0u, str_big_num.len()-prod_len+1).map(|x| get_product(str_big_num.slice(x, x+prod_len)));
[INFO] [stdout]    |                          ^^ invalid suffix `u`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for number literal
[INFO] [stdout]   --> src/bin/PE058.rs:23:19
[INFO] [stdout]    |
[INFO] [stdout] 23 |         for i in range (0u, 4) { // 4 numbers per diagonal
[INFO] [stdout]    |                         ^^ invalid suffix `u`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for number literal
[INFO] [stdout]   --> src/bin/PE013.rs:14:19
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let num_digits = 10u;
[INFO] [stdout]    |                      ^^^ invalid suffix `u`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `i` for number literal
[INFO] [stdout]   --> src/bin/PE015.rs:27:21
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let answer = range(0i, (20+1)).map(|x| n_choose_r(20, x).pow(2)).fold(0i64, |acc, i| { acc + i});
[INFO] [stdout]    |                        ^^ invalid suffix `i`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::num::Float`
[INFO] [stdout]  --> src/bin/PE007.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::num::Float;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^ no `Float` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `i` for number literal
[INFO] [stdout]  --> src/bin/PE004.rs:8:20
[INFO] [stdout]   |
[INFO] [stdout] 8 |     for i in range(100i*100i,999i*999i).rev(){
[INFO] [stdout]   |                    ^^^^ invalid suffix `i`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `i` for number literal
[INFO] [stdout]  --> src/bin/PE004.rs:8:25
[INFO] [stdout]   |
[INFO] [stdout] 8 |     for i in range(100i*100i,999i*999i).rev(){
[INFO] [stdout]   |                         ^^^^ invalid suffix `i`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `i` for number literal
[INFO] [stdout]  --> src/bin/PE004.rs:8:30
[INFO] [stdout]   |
[INFO] [stdout] 8 |     for i in range(100i*100i,999i*999i).rev(){
[INFO] [stdout]   |                              ^^^^ invalid suffix `i`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `i` for number literal
[INFO] [stdout]  --> src/bin/PE004.rs:8:35
[INFO] [stdout]   |
[INFO] [stdout] 8 |     for i in range(100i*100i,999i*999i).rev(){
[INFO] [stdout]   |                                   ^^^^ invalid suffix `i`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::io::BufferedReader`
[INFO] [stdout]  --> src/bin/PE013.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::BufferedReader;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^ no `BufferedReader` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::io::File`
[INFO] [stdout]  --> src/bin/PE013.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^ no `File` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::num::Int`
[INFO] [stdout]  --> src/bin/PE013.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::num::Int;
[INFO] [stdout]   |     ^^^^^^^^^^^^^ no `Int` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::num::Float`
[INFO] [stdout]  --> src/bin/PE058.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::num::Float;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^ no `Float` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Path`
[INFO] [stdout]  --> src/bin/PE013.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let path = Path::new(fp);
[INFO] [stdout]   |                ^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::path::Path;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `from_str` in this scope
[INFO] [stdout]   --> src/bin/PE013.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let num:u64 = from_str(str_num.slice(0,num_digits+1)).unwrap();
[INFO] [stdout]    |                       ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::io::BufferedReader`
[INFO] [stdout]  --> src/bin/PE013.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::BufferedReader;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^ no `BufferedReader` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `int` in this scope
[INFO] [stdout]  --> src/bin/PE001.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn get_answer(num: int) -> int{
[INFO] [stdout]   |                    ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::num::Float`
[INFO] [stdout]  --> src/bin/PE010.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::num::Float;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^ no `Float` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `PE002` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `pe002`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `range` in this scope
[INFO] [stdout]   --> src/bin/PE017.rs:41:11
[INFO] [stdout]    |
[INFO] [stdout] 41 |     for i in range(0u, base_nums.len()) {
[INFO] [stdout]    |              ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `int` in this scope
[INFO] [stdout]  --> src/bin/PE001.rs:5:28
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn get_answer(num: int) -> int{
[INFO] [stdout]   |                            ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `range` in this scope
[INFO] [stdout]   --> src/bin/PE017.rs:47:11
[INFO] [stdout]    |
[INFO] [stdout] 47 |     for i in range(0u, teens.len()) {
[INFO] [stdout]    |              ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::io::File`
[INFO] [stdout]  --> src/bin/PE013.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^ no `File` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::num::Int`
[INFO] [stdout]  --> src/bin/PE013.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::num::Int;
[INFO] [stdout]   |     ^^^^^^^^^^^^^ no `Int` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `range` in this scope
[INFO] [stdout]   --> src/bin/PE017.rs:53:11
[INFO] [stdout]    |
[INFO] [stdout] 53 |     for i in range(0u, tens_prefix.len()) {
[INFO] [stdout]    |              ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `range` in this scope
[INFO] [stdout]   --> src/bin/PE017.rs:61:11
[INFO] [stdout]    |
[INFO] [stdout] 61 |     for i in range(0u, hundreds_prefix.len()) {
[INFO] [stdout]    |              ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::num::Int`
[INFO] [stdout]  --> src/bin/PE015.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::num::Int;
[INFO] [stdout]   |     ^^^^^^^^^^^^^ no `Int` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Path`
[INFO] [stdout]  --> src/bin/PE013.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let path = Path::new(fp);
[INFO] [stdout]   |                ^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::path::Path;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `from_str` in this scope
[INFO] [stdout]   --> src/bin/PE013.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let num:u64 = from_str(str_num.slice(0,num_digits+1)).unwrap();
[INFO] [stdout]    |                       ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `range` in this scope
[INFO] [stdout]   --> src/bin/PE010.rs:26:15
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let answer = range(2i64, lim).filter(|x| is_prime(*x))
[INFO] [stdout]    |                  ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `range` in this scope
[INFO] [stdout]   --> src/bin/PE058.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |         for i in range (0u, 4) { // 4 numbers per diagonal
[INFO] [stdout]    |                  ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 14 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `int` in this scope
[INFO] [stdout]  --> src/bin/PE015.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn n_choose_r (n:int, r:int) -> i64 {
[INFO] [stdout]   |                  ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `int` in this scope
[INFO] [stdout]  --> src/bin/PE015.rs:3:25
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn n_choose_r (n:int, r:int) -> i64 {
[INFO] [stdout]   |                         ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `range` in this scope
[INFO] [stdout]   --> src/bin/PE015.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 |     for num in range((max_den+1), (n+1)) {
[INFO] [stdout]    |                ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `range` in this scope
[INFO] [stdout]   --> src/bin/PE015.rs:27:15
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let answer = range(0i, (20+1)).map(|x| n_choose_r(20, x).pow(2)).fold(0i64, |acc, i| { acc + i});
[INFO] [stdout]    |                  ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/bin/PE015.rs:11:19
[INFO] [stdout]    |
[INFO] [stdout] 11 |     for num in range((max_den+1), (n+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: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/bin/PE015.rs:11:32
[INFO] [stdout]    |
[INFO] [stdout] 11 |     for num in range((max_den+1), (n+1)) {
[INFO] [stdout]    |                                   ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/bin/PE015.rs:27:25
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let answer = range(0i, (20+1)).map(|x| n_choose_r(20, x).pow(2)).fold(0i64, |acc, i| { acc + i});
[INFO] [stdout]    |                            ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0425, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `range` in this scope
[INFO] [stdout]  --> src/bin/PE033.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 |     for num in range(10i64, 100i64-1) {
[INFO] [stdout]   |                ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `range` in this scope
[INFO] [stdout]  --> src/bin/PE033.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 |         for den in range(num+1, 100i64) {
[INFO] [stdout]   |                    ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `range` in this scope
[INFO] [stdout]   --> src/bin/PE033.rs:30:11
[INFO] [stdout]    |
[INFO] [stdout] 30 |     for i in range(0u, 4) {
[INFO] [stdout]    |              ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `range` in this scope
[INFO] [stdout]   --> src/bin/PE033.rs:34:11
[INFO] [stdout]    |
[INFO] [stdout] 34 |     for i in range(2i64, num_prod/2) {
[INFO] [stdout]    |              ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/bin/PE033.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 |             if (num_chars[0] == den_chars[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: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/bin/PE033.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |             else if (num_chars[1] == den_chars[0]) {
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `range` in this scope
[INFO] [stdout]   --> src/bin/PE008.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let products = range(0u, str_big_num.len()-prod_len+1).map(|x| get_product(str_big_num.slice(x, x+prod_len)));
[INFO] [stdout]    |                    ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `slice` found for struct `String` in the current scope
[INFO] [stdout]   --> src/bin/PE008.rs:32:89
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let products = range(0u, str_big_num.len()-prod_len+1).map(|x| get_product(str_big_num.slice(x, x+prod_len)));
[INFO] [stdout]    |                                                                                            ^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `int` in this scope
[INFO] [stdout]  --> src/bin/PE004.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn is_palindrome(num: int) -> bool{
[INFO] [stdout]   |                       ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `int` in this scope
[INFO] [stdout]  --> src/bin/PE004.rs:7:20
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn get_answer() -> int{
[INFO] [stdout]   |                    ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `range` in this scope
[INFO] [stdout]  --> src/bin/PE004.rs:8:14
[INFO] [stdout]   |
[INFO] [stdout] 8 |     for i in range(100i*100i,999i*999i).rev(){
[INFO] [stdout]   |              ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `range` in this scope
[INFO] [stdout]   --> src/bin/PE004.rs:10:24
[INFO] [stdout]    |
[INFO] [stdout] 10 |             for div in range(100, 999){
[INFO] [stdout]    |                        ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0425.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `slice` found for reference `&String` in the current scope
[INFO] [stdout]   --> src/bin/PE013.rs:18:34
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let num:u64 = from_str(str_num.slice(0,num_digits+1)).unwrap();
[INFO] [stdout]    |                                        ^^^^^ method not found in `&String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `slice` found for struct `String` in the current scope
[INFO] [stdout]   --> src/bin/PE013.rs:21:33
[INFO] [stdout]    |
[INFO] [stdout] 21 |     println!("{}", sum.to_string().slice(0,num_digits));
[INFO] [stdout]    |                                    ^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0432, E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `slice` found for reference `&String` in the current scope
[INFO] [stdout]   --> src/bin/PE013.rs:18:34
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let num:u64 = from_str(str_num.slice(0,num_digits+1)).unwrap();
[INFO] [stdout]    |                                        ^^^^^ method not found in `&String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `slice` found for struct `String` in the current scope
[INFO] [stdout]   --> src/bin/PE013.rs:21:33
[INFO] [stdout]    |
[INFO] [stdout] 21 |     println!("{}", sum.to_string().slice(0,num_digits));
[INFO] [stdout]    |                                    ^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0432, E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/bin/PE033.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let mut nums = [0i64, ..4];
[INFO] [stdout]   |                           ^^^ expected `i64`, found struct `RangeTo`
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected type `i64`
[INFO] [stdout]            found struct `RangeTo<{integer}>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `slice` found for struct `String` in the current scope
[INFO] [stdout]   --> src/bin/PE008.rs:32:89
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let products = range(0u, str_big_num.len()-prod_len+1).map(|x| get_product(str_big_num.slice(x, x+prod_len)));
[INFO] [stdout]    |                                                                                            ^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/bin/PE033.rs:3:24
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let mut dens = [0i64, ..4];
[INFO] [stdout]   |                           ^^^ expected `i64`, found struct `RangeTo`
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected type `i64`
[INFO] [stdout]            found struct `RangeTo<{integer}>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0425.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "23fdbdb9a28c283c8815bf031428e2aa881f99d84c803232d39e3f8a5c0f1fa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23fdbdb9a28c283c8815bf031428e2aa881f99d84c803232d39e3f8a5c0f1fa8", kill_on_drop: false }`
[INFO] [stdout] 23fdbdb9a28c283c8815bf031428e2aa881f99d84c803232d39e3f8a5c0f1fa8