[INFO] updating cached repository slup/number_walker_rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/slup/number_walker_rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/slup/number_walker_rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/slup/number_walker_rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/slup/number_walker_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/slup/number_walker_rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/slup/number_walker_rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/slup/number_walker_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 79a2d98c1c041d3ffc7bfe4abb2d986b27c5ec8f
[INFO] sha for GitHub repo slup/number_walker_rust: 79a2d98c1c041d3ffc7bfe4abb2d986b27c5ec8f
[INFO] validating manifest of slup/number_walker_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 slup/number_walker_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 slup/number_walker_rust
[INFO] finished frobbing slup/number_walker_rust
[INFO] frobbed toml for slup/number_walker_rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/slup/number_walker_rust/Cargo.toml
[INFO] started frobbing slup/number_walker_rust
[INFO] finished frobbing slup/number_walker_rust
[INFO] frobbed toml for slup/number_walker_rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/slup/number_walker_rust/Cargo.toml
[INFO] crate slup/number_walker_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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing slup/number_walker_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-5/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/slup/number_walker_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] f5db80cb0f121d330daee0bbc131e11e8334e8214b95c29d93366c643f38a7c7
[INFO] running `"docker" "start" "-a" "f5db80cb0f121d330daee0bbc131e11e8334e8214b95c29d93366c643f38a7c7"`
[INFO] [stderr]    Compiling number_walker v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] error: invalid suffix `i` for integer literal
[INFO] [stderr]   --> src/solver/mod.rs:96:30
[INFO] [stderr]    |
[INFO] [stderr] 96 |         let start = Coordinate {x: 1i, y:1i, val: 22i};
[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/solver/mod.rs:96:36
[INFO] [stderr]    |
[INFO] [stderr] 96 |         let start = Coordinate {x: 1i, y:1i, val: 22i};
[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/solver/mod.rs:96:45
[INFO] [stderr]    |
[INFO] [stderr] 96 |         let start = Coordinate {x: 1i, y:1i, val: 22i};
[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/solver/mod.rs:97:29
[INFO] [stderr]    |
[INFO] [stderr] 97 |         let goal = Coordinate {x: 2i, y:1i, val: 1i};
[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/solver/mod.rs:97:35
[INFO] [stderr]    |
[INFO] [stderr] 97 |         let goal = Coordinate {x: 2i, y:1i, val: 1i};
[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/solver/mod.rs:97:44
[INFO] [stderr]    |
[INFO] [stderr] 97 |         let goal = Coordinate {x: 2i, y:1i, val: 1i};
[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/solver/mod.rs:104:30
[INFO] [stderr]     |
[INFO] [stderr] 104 |         let start = Coordinate {x: 1i, y:1i, val: 22i};
[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/solver/mod.rs:104:36
[INFO] [stderr]     |
[INFO] [stderr] 104 |         let start = Coordinate {x: 1i, y:1i, val: 22i};
[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/solver/mod.rs:104:45
[INFO] [stderr]     |
[INFO] [stderr] 104 |         let start = Coordinate {x: 1i, y:1i, val: 22i};
[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/solver/mod.rs:105:29
[INFO] [stderr]     |
[INFO] [stderr] 105 |         let goal = Coordinate {x: 2i, y:1i, val: 1i};
[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/solver/mod.rs:105:35
[INFO] [stderr]     |
[INFO] [stderr] 105 |         let goal = Coordinate {x: 2i, y:1i, val: 1i};
[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/solver/mod.rs:105:44
[INFO] [stderr]     |
[INFO] [stderr] 105 |         let goal = Coordinate {x: 2i, y:1i, val: 1i};
[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/solver/mod.rs:112:30
[INFO] [stderr]     |
[INFO] [stderr] 112 |         let start = Coordinate {x: 1i, y:1i, val: 65i};
[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/solver/mod.rs:112:36
[INFO] [stderr]     |
[INFO] [stderr] 112 |         let start = Coordinate {x: 1i, y:1i, val: 65i};
[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/solver/mod.rs:112:45
[INFO] [stderr]     |
[INFO] [stderr] 112 |         let start = Coordinate {x: 1i, y:1i, val: 65i};
[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/solver/mod.rs:113:29
[INFO] [stderr]     |
[INFO] [stderr] 113 |         let goal = Coordinate {x: 2i, y:1i, val: 160i};
[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/solver/mod.rs:113:35
[INFO] [stderr]     |
[INFO] [stderr] 113 |         let goal = Coordinate {x: 2i, y:1i, val: 160i};
[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/solver/mod.rs:113:44
[INFO] [stderr]     |
[INFO] [stderr] 113 |         let goal = Coordinate {x: 2i, y:1i, val: 160i};
[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/solver/mod.rs:120:30
[INFO] [stderr]     |
[INFO] [stderr] 120 |         let start = Coordinate {x: 1i, y:1i, val: 40i};
[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/solver/mod.rs:120:36
[INFO] [stderr]     |
[INFO] [stderr] 120 |         let start = Coordinate {x: 1i, y:1i, val: 40i};
[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/solver/mod.rs:120:45
[INFO] [stderr]     |
[INFO] [stderr] 120 |         let start = Coordinate {x: 1i, y:1i, val: 40i};
[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/solver/mod.rs:121:29
[INFO] [stderr]     |
[INFO] [stderr] 121 |         let goal = Coordinate {x: 2i, y:1i, val: 98i};
[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/solver/mod.rs:121:35
[INFO] [stderr]     |
[INFO] [stderr] 121 |         let goal = Coordinate {x: 2i, y:1i, val: 98i};
[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/solver/mod.rs:121:44
[INFO] [stderr]     |
[INFO] [stderr] 121 |         let goal = Coordinate {x: 2i, y:1i, val: 98i};
[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/main.rs:5:40
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let start = solver::Coordinate {x: 1i, y:1i, val: 22i};
[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/main.rs:5:46
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let start = solver::Coordinate {x: 1i, y:1i, val: 22i};
[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/main.rs:5:55
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let start = solver::Coordinate {x: 1i, y:1i, val: 22i};
[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/main.rs:6:39
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let goal = solver::Coordinate {x: 2i, y:1i, val: 1i};
[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/main.rs:6:45
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let goal = solver::Coordinate {x: 2i, y:1i, val: 1i};
[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/main.rs:6:54
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let goal = solver::Coordinate {x: 2i, y:1i, val: 1i};
[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/main.rs:7:52
[INFO] [stderr]   |
[INFO] [stderr] 7 |     println!("{}", solver::solve(start, goal, vec![25i, 3i]));
[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/main.rs:7:57
[INFO] [stderr]   |
[INFO] [stderr] 7 |     println!("{}", solver::solve(start, goal, vec![25i, 3i]));
[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/main.rs:8:52
[INFO] [stderr]   |
[INFO] [stderr] 8 |     println!("{}", solver::solve(start, goal, vec![127i, 103i]));
[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/main.rs:8:58
[INFO] [stderr]   |
[INFO] [stderr] 8 |     println!("{}", solver::solve(start, goal, vec![127i, 103i]));
[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[E0412]: cannot find type `int` in this scope
[INFO] [stderr]  --> src/solver/mod.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     pub x: int,
[INFO] [stderr]   |            ^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `int` in this scope
[INFO] [stderr]  --> src/solver/mod.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     pub y: int,
[INFO] [stderr]   |            ^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `int` in this scope
[INFO] [stderr]  --> src/solver/mod.rs:6:11
[INFO] [stderr]   |
[INFO] [stderr] 6 |     pub val: int,
[INFO] [stderr]   |              ^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `int` in this scope
[INFO] [stderr]   --> src/solver/mod.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub left: int,
[INFO] [stderr]    |               ^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `int` in this scope
[INFO] [stderr]   --> src/solver/mod.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub right: int,
[INFO] [stderr]    |                ^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `int` in this scope
[INFO] [stderr]   --> src/solver/mod.rs:26:21
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub result: Option<int>,
[INFO] [stderr]    |                        ^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `int` in this scope
[INFO] [stderr]   --> src/solver/mod.rs:39:64
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub fn solve(start:  Coordinate, goal: Coordinate, values: Vec<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/solver/mod.rs:43:18
[INFO] [stderr]    |
[INFO] [stderr] 43 | fn _solve(start: int, goal: int, values: Vec<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/solver/mod.rs:43:29
[INFO] [stderr]    |
[INFO] [stderr] 43 | fn _solve(start: int, goal: int, values: Vec<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/solver/mod.rs:43:46
[INFO] [stderr]    |
[INFO] [stderr] 43 | fn _solve(start: int, goal: int, values: Vec<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/solver/mod.rs:82:30
[INFO] [stderr]    |
[INFO] [stderr] 82 | fn get_operations_vec(start: int, value: int) -> Vec<Option<int>> {
[INFO] [stderr]    |                              ^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `int` in this scope
[INFO] [stderr]   --> src/solver/mod.rs:82:42
[INFO] [stderr]    |
[INFO] [stderr] 82 | fn get_operations_vec(start: int, value: int) -> Vec<Option<int>> {
[INFO] [stderr]    |                                          ^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `int` in this scope
[INFO] [stderr]   --> src/solver/mod.rs:82:61
[INFO] [stderr]    |
[INFO] [stderr] 82 | fn get_operations_vec(start: int, value: int) -> Vec<Option<int>> {
[INFO] [stderr]    |                                                             ^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `push_all` found for type `std::vec::Vec<_>` in the current scope
[INFO] [stderr]   --> src/solver/mod.rs:52:14
[INFO] [stderr]    |
[INFO] [stderr] 52 |         new_values.push_all(values.as_slice());
[INFO] [stderr]    |                    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 48 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0412, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0412`.
[INFO] [stderr] error: Could not compile `number_walker`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "f5db80cb0f121d330daee0bbc131e11e8334e8214b95c29d93366c643f38a7c7"`
[INFO] running `"docker" "rm" "-f" "f5db80cb0f121d330daee0bbc131e11e8334e8214b95c29d93366c643f38a7c7"`
[INFO] [stdout] f5db80cb0f121d330daee0bbc131e11e8334e8214b95c29d93366c643f38a7c7