[INFO] updating cached repository a-phillips/PE-Rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/a-phillips/PE-Rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/a-phillips/PE-Rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/a-phillips/PE-Rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/a-phillips/PE-Rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/a-phillips/PE-Rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/a-phillips/PE-Rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/a-phillips/PE-Rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0df0b92fbd084f0d74abc54fea404d52662d4d20
[INFO] sha for GitHub repo a-phillips/PE-Rust: 0df0b92fbd084f0d74abc54fea404d52662d4d20
[INFO] validating manifest of a-phillips/PE-Rust on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of a-phillips/PE-Rust on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing a-phillips/PE-Rust
[INFO] finished frobbing a-phillips/PE-Rust
[INFO] frobbed toml for a-phillips/PE-Rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/a-phillips/PE-Rust/Cargo.toml
[INFO] started frobbing a-phillips/PE-Rust
[INFO] finished frobbing a-phillips/PE-Rust
[INFO] frobbed toml for a-phillips/PE-Rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/a-phillips/PE-Rust/Cargo.toml
[INFO] crate a-phillips/PE-Rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing a-phillips/PE-Rust against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/a-phillips/PE-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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] f4c3155e024b72d5ec1e64ca28b785e77c7408596264f446361a459a70708fb1
[INFO] running `"docker" "start" "-a" "f4c3155e024b72d5ec1e64ca28b785e77c7408596264f446361a459a70708fb1"`
[INFO] [stderr]    Compiling PE v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] error: invalid suffix `u` for integer literal
[INFO] [stderr]   --> src/bin/PE013.rs:14:19
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let num_digits = 10u;
[INFO] [stderr]    |                      ^^^ invalid suffix `u`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stderr] 
[INFO] [stderr] error: invalid suffix `i` for integer literal
[INFO] [stderr]  --> src/bin/PE004.rs:8:20
[INFO] [stderr]   |
[INFO] [stderr] 8 |     for i in range(100i*100i,999i*999i).rev(){
[INFO] [stderr]   |                    ^^^^ invalid suffix `i`
[INFO] [stderr] error: invalid suffix `i` for integer literal
[INFO] [stderr]   --> src/bin/PE015.rs:27:21
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let answer = range(0i, (20+1)).map(|x| n_choose_r(20, x).pow(2)).fold(0i64, |acc, i| { acc + i});
[INFO] [stderr]    |                        ^^ invalid suffix `i`
[INFO] [stderr]   |
[INFO] [stderr]   = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stderr] 
[INFO] [stderr] error: invalid suffix `i` for integer literal
[INFO] [stderr]  --> src/bin/PE004.rs:8:25
[INFO] [stderr]   |
[INFO] [stderr] 8 |     for i in range(100i*100i,999i*999i).rev(){
[INFO] [stderr]   |                         ^^^^ invalid suffix `i`
[INFO] [stderr]   |
[INFO] [stderr]   = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stderr] 
[INFO] [stderr] error: invalid suffix `i` for integer literal
[INFO] [stderr]  --> src/bin/PE004.rs:8:30
[INFO] [stderr]   |
[INFO] [stderr] 8 |     for i in range(100i*100i,999i*999i).rev(){
[INFO] [stderr]   |                              ^^^^ invalid suffix `i`
[INFO] [stderr]   |
[INFO] [stderr]   = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stderr] 
[INFO] [stderr] error: invalid suffix `i` for integer literal
[INFO] [stderr]  --> src/bin/PE004.rs:8:35
[INFO] [stderr]   |
[INFO] [stderr] 8 |     for i in range(100i*100i,999i*999i).rev(){
[INFO] [stderr]   |                                   ^^^^ invalid suffix `i`
[INFO] [stderr]   |
[INFO] [stderr]   = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stderr] 
[INFO] [stderr] error: expected one of `!`, `(`, `+`, `::`, `;`, `<`, or `]`, found `,`
[INFO] [stderr]  --> src/bin/PE011.rs:1:28
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn max_by_col (grid:&[[uint, ..20], ..20], len:uint) -> uint {
[INFO] [stderr]   |                            ^ expected one of 7 possible tokens here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stderr] 
[INFO] [stderr] error: invalid suffix `u` for integer literal
[INFO] [stderr]   --> src/bin/PE058.rs:23:19
[INFO] [stderr]    |
[INFO] [stderr] 23 |         for i in range (0u, 4) { // 4 numbers per diagonal
[INFO] [stderr]    |                         ^^ invalid suffix `u`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] error: `..X` range patterns are not supported
[INFO] [stderr]  --> src/bin/PE011.rs:1:30
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn max_by_col (grid:&[[uint, ..20], ..20], len:uint) -> uint {
[INFO] [stderr]   |                              ^^^^ help: try using the minimum value for the type: `MIN..20`
[INFO] [stderr] 
[INFO] [stderr] error: expected `:`, found `]`
[INFO] [stderr]  --> src/bin/PE011.rs:1:34
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn max_by_col (grid:&[[uint, ..20], ..20], len:uint) -> uint {
[INFO] [stderr]   |                                  ^ expected `:`
[INFO] [stderr] 
[INFO] [stderr] error: expected one of `)`, `,`, `->`, `where`, `{`, or identifier, found `]`
[INFO] [stderr]  --> src/bin/PE011.rs:1:34
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn max_by_col (grid:&[[uint, ..20], ..20], len:uint) -> uint {
[INFO] [stderr]   |                                  ^ expected one of `)`, `,`, `->`, `where`, `{`, or identifier here
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `PE`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0432]: unresolved import `std::io::BufferedReader`
[INFO] [stderr]  --> src/bin/PE013.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::BufferedReader;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^ no `BufferedReader` in `io`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::io::File`
[INFO] [stderr]  --> src/bin/PE013.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^ no `File` in `io`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::num::Int`
[INFO] [stderr]  --> src/bin/PE013.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::num::Int;
[INFO] [stderr]   |     ^^^^^^^^^^^^^ no `Int` in `num`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Path`
[INFO] [stderr]  --> src/bin/PE013.rs:6:13
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let path = Path::new(fp);
[INFO] [stderr]   |                ^^^^ use of undeclared type or module `Path`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `from_str` in this scope
[INFO] [stderr]   --> src/bin/PE013.rs:18:17
[INFO] [stderr]    |
[INFO] [stderr] 18 |         let num:u64 = from_str(str_num.slice(0,num_digits+1)).unwrap();
[INFO] [stderr]    |                       ^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::num::Int`
[INFO] [stderr]  --> src/bin/PE006.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::num::Int;
[INFO] [stderr]   |     ^^^^^^^^^^^^^ no `Int` in `num`
[INFO] [stderr] error[E0432]: unresolved import `std::num::Float`
[INFO] [stderr]  --> src/bin/PE010.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::num::Float;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^ no `Float` in `num`
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::num::Int`
[INFO] [stderr]  --> src/bin/PE015.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::num::Int;
[INFO] [stderr]   |     ^^^^^^^^^^^^^ no `Int` in `num`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `range` in this scope
[INFO] [stderr]   --> src/bin/PE010.rs:26:15
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let answer = range(2i64, lim).filter(|x| is_prime(*x))
[INFO] [stderr]    |                  ^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::num::Float`
[INFO] [stderr]  --> src/bin/PE058.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::num::Float;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^ no `Float` in `num`
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `int` in this scope
[INFO] [stderr]  --> src/bin/PE004.rs:1:23
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn is_palindrome(num: int) -> bool{
[INFO] [stderr]   |                       ^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `int` in this scope
[INFO] [stderr]  --> src/bin/PE004.rs:7:20
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn get_answer() -> int{
[INFO] [stderr]   |                    ^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `range` in this scope
[INFO] [stderr]  --> src/bin/PE004.rs:8:14
[INFO] [stderr]   |
[INFO] [stderr] 8 |     for i in range(100i*100i,999i*999i).rev(){
[INFO] [stderr]   |              ^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `range` in this scope
[INFO] [stderr]   --> src/bin/PE004.rs:10:24
[INFO] [stderr]    |
[INFO] [stderr] 10 |             for div in range(100, 999){
[INFO] [stderr]    |                        ^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `int` in this scope
[INFO] [stderr]  --> src/bin/PE015.rs:3:18
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn n_choose_r (n:int, r:int) -> i64 {
[INFO] [stderr]   |                  ^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `int` in this scope
[INFO] [stderr]  --> src/bin/PE015.rs:3:25
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn n_choose_r (n:int, r:int) -> i64 {
[INFO] [stderr]   |                         ^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `range` in this scope
[INFO] [stderr]   --> src/bin/PE015.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 |     for num in range((max_den+1), (n+1)) {
[INFO] [stderr]    |                ^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `range` in this scope
[INFO] [stderr]   --> src/bin/PE015.rs:27:15
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let answer = range(0i, (20+1)).map(|x| n_choose_r(20, x).pow(2)).fold(0i64, |acc, i| { acc + i});
[INFO] [stderr]    |                  ^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/bin/PE015.rs:11:19
[INFO] [stderr]    |
[INFO] [stderr] 11 |     for num in range((max_den+1), (n+1)) {
[INFO] [stderr]    |                      ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/bin/PE015.rs:11:32
[INFO] [stderr]    |
[INFO] [stderr] 11 |     for num in range((max_den+1), (n+1)) {
[INFO] [stderr]    |                                   ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/bin/PE015.rs:27:25
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let answer = range(0i, (20+1)).map(|x| n_choose_r(20, x).pow(2)).fold(0i64, |acc, i| { acc + i});
[INFO] [stderr]    |                            ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `range` in this scope
[INFO] [stderr]   --> src/bin/PE058.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 23 |         for i in range (0u, 4) { // 4 numbers per diagonal
[INFO] [stderr]    |                  ^^^^^ not found in this scope
[INFO] [stderr] error[E0412]: cannot find type `int` in this scope
[INFO] [stderr]  --> src/bin/PE006.rs:3:20
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn get_sum_sq(lim: int, i: int) -> int{
[INFO] [stderr]   |                    ^^^ not found in this scope
[INFO] [stderr] error: aborting due to 8 previous errors
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `int` in this scope
[INFO] [stderr]  --> src/bin/PE006.rs:3:28
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn get_sum_sq(lim: int, i: int) -> int{
[INFO] [stderr]   |                            ^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `int` in this scope
[INFO] [stderr]  --> src/bin/PE006.rs:3:36
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn get_sum_sq(lim: int, i: int) -> int{
[INFO] [stderr]   |                                    ^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `int` in this scope
[INFO] [stderr]  --> src/bin/PE006.rs:8:20
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn get_sq_sum(lim: int, i: int) -> int{
[INFO] [stderr]   |                    ^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `int` in this scope
[INFO] [stderr]  --> src/bin/PE006.rs:8:28
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn get_sq_sum(lim: int, i: int) -> int{
[INFO] [stderr]   |                            ^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `int` in this scope
[INFO] [stderr]  --> src/bin/PE006.rs:8:36
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn get_sq_sum(lim: int, i: int) -> int{
[INFO] [stderr]   |                                    ^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0412, E0425, E0432.
[INFO] [stderr] For more information about an error, try `rustc --explain E0412`.
[INFO] [stderr] error: aborting due to 7 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0412, E0425.
[INFO] [stderr] For more information about an error, try `rustc --explain E0412`.
[INFO] [stderr] error: Could not compile `PE`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0432.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error: Could not compile `PE`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `PE`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] Some errors have detailed explanations: E0412, E0432.
[INFO] [stderr] For more information about an error, try `rustc --explain E0412`.
[INFO] [stderr] error: Could not compile `PE`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0432.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error: Could not compile `PE`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: crate `PE002` should have a snake case name
[INFO] [stderr] error[E0599]: no method named `slice` found for type `&std::string::String` in the current scope
[INFO] [stderr]   --> src/bin/PE013.rs:18:34
[INFO] [stderr]    |
[INFO] [stderr] 18 |         let num:u64 = from_str(str_num.slice(0,num_digits+1)).unwrap();
[INFO] [stderr]    |                                        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `slice` found for type `std::string::String` in the current scope
[INFO] [stderr]   --> src/bin/PE013.rs:21:33
[INFO] [stderr]    |
[INFO] [stderr] 21 |     println!("{}", sum.to_string().slice(0,num_digits));
[INFO] [stderr]    |                                    ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `pe002`
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 8 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0432, E0433, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error: Could not compile `PE`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "f4c3155e024b72d5ec1e64ca28b785e77c7408596264f446361a459a70708fb1"`
[INFO] running `"docker" "rm" "-f" "f4c3155e024b72d5ec1e64ca28b785e77c7408596264f446361a459a70708fb1"`
[INFO] [stdout] f4c3155e024b72d5ec1e64ca28b785e77c7408596264f446361a459a70708fb1