[INFO] updating cached repository eadventurous/landscape-generation
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/eadventurous/landscape-generation
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/eadventurous/landscape-generation" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/eadventurous/landscape-generation"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/eadventurous/landscape-generation'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/eadventurous/landscape-generation" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/eadventurous/landscape-generation"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/eadventurous/landscape-generation'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 568048b66d6c65824a37341a76cd7876365c874e
[INFO] sha for GitHub repo eadventurous/landscape-generation: 568048b66d6c65824a37341a76cd7876365c874e
[INFO] validating manifest of eadventurous/landscape-generation on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of eadventurous/landscape-generation on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing eadventurous/landscape-generation
[INFO] finished frobbing eadventurous/landscape-generation
[INFO] frobbed toml for eadventurous/landscape-generation written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/eadventurous/landscape-generation/Cargo.toml
[INFO] started frobbing eadventurous/landscape-generation
[INFO] finished frobbing eadventurous/landscape-generation
[INFO] frobbed toml for eadventurous/landscape-generation written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/eadventurous/landscape-generation/Cargo.toml
[INFO] crate eadventurous/landscape-generation already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking eadventurous/landscape-generation against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-7/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/eadventurous/landscape-generation:/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] fcfc0ffebb2bb7bc760f712903ed787220045c190ec3c58ab4225c3119769819
[INFO] running `"docker" "start" "-a" "fcfc0ffebb2bb7bc760f712903ed787220045c190ec3c58ab4225c3119769819"`
[INFO] [stderr]     Checking num-complex v0.2.0
[INFO] [stderr]     Checking ndarray v0.11.2
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking alga v0.7.1
[INFO] [stderr]     Checking nalgebra v0.16.1
[INFO] [stderr] warning[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.16.1/src/base/cg.rs:292:44
[INFO] [stderr]     |
[INFO] [stderr] 292 |                 self[(j, i)] += shift[j] * self[(D::dim() - 1, i)];
[INFO] [stderr]     |                 ---------------------------^^^^-------------------
[INFO] [stderr]     |                 |                          |
[INFO] [stderr]     |                 |                          immutable borrow occurs here
[INFO] [stderr]     |                 mutable borrow occurs here
[INFO] [stderr]     |                 mutable borrow later used here
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]     = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]     = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]     Checking LandscapeGeneration v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `ndarray::Array2`
[INFO] [stderr]  --> src/posutils.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use ndarray::Array2;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/main.rs:106:42
[INFO] [stderr]     |
[INFO] [stderr] 106 |     let v = Vector4::new(1f64, p.0, p.1, (p.0*p.1));
[INFO] [stderr]     |                                          ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Add`
[INFO] [stderr]  --> src/posutils.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::ops::Add;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lattice_n`
[INFO] [stderr]   --> src/main.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let lattice_n = 10;
[INFO] [stderr]    |         ^^^^^^^^^ help: consider prefixing with an underscore: `_lattice_n`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `active_agents` is assigned to, but never used
[INFO] [stderr]   --> src/agents.rs:41:17
[INFO] [stderr]    |
[INFO] [stderr] 41 |         let mut active_agents = agents.len();
[INFO] [stderr]    |                 ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: consider using `_active_agents` instead
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gradient_interpolation`
[INFO] [stderr]   --> src/main.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | fn gradient_interpolation(size: usize, lattice_n: usize) -> Array2<f64> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fade`
[INFO] [stderr]   --> src/main.rs:70:1
[INFO] [stderr]    |
[INFO] [stderr] 70 | fn fade(t: f64) -> f64 {                                     
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `lerp`
[INFO] [stderr]   --> src/main.rs:74:1
[INFO] [stderr]    |
[INFO] [stderr] 74 | fn lerp(a: f64, b: f64, x: f64) -> f64 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `bilinear_interpolation`
[INFO] [stderr]   --> src/main.rs:78:1
[INFO] [stderr]    |
[INFO] [stderr] 78 | fn bilinear_interpolation(size: usize, lattice_n: usize, max_height: usize) -> DMatrix<f64> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `blerp`
[INFO] [stderr]    --> src/main.rs:101:1
[INFO] [stderr]     |
[INFO] [stderr] 101 | fn blerp(p:(f64, f64), x: (f64, f64), y: (f64,f64), f:(f64, f64, f64, f64)) -> f64{
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `LandscapeGeneration` 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: `landscape_generation`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ndarray::Array2`
[INFO] [stderr]  --> src/posutils.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use ndarray::Array2;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/main.rs:106:42
[INFO] [stderr]     |
[INFO] [stderr] 106 |     let v = Vector4::new(1f64, p.0, p.1, (p.0*p.1));
[INFO] [stderr]     |                                          ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Add`
[INFO] [stderr]  --> src/posutils.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::ops::Add;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lattice_n`
[INFO] [stderr]   --> src/main.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let lattice_n = 10;
[INFO] [stderr]    |         ^^^^^^^^^ help: consider prefixing with an underscore: `_lattice_n`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `active_agents` is assigned to, but never used
[INFO] [stderr]   --> src/agents.rs:41:17
[INFO] [stderr]    |
[INFO] [stderr] 41 |         let mut active_agents = agents.len();
[INFO] [stderr]    |                 ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: consider using `_active_agents` instead
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gradient_interpolation`
[INFO] [stderr]   --> src/main.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | fn gradient_interpolation(size: usize, lattice_n: usize) -> Array2<f64> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fade`
[INFO] [stderr]   --> src/main.rs:70:1
[INFO] [stderr]    |
[INFO] [stderr] 70 | fn fade(t: f64) -> f64 {                                     
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `lerp`
[INFO] [stderr]   --> src/main.rs:74:1
[INFO] [stderr]    |
[INFO] [stderr] 74 | fn lerp(a: f64, b: f64, x: f64) -> f64 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `bilinear_interpolation`
[INFO] [stderr]   --> src/main.rs:78:1
[INFO] [stderr]    |
[INFO] [stderr] 78 | fn bilinear_interpolation(size: usize, lattice_n: usize, max_height: usize) -> DMatrix<f64> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `blerp`
[INFO] [stderr]    --> src/main.rs:101:1
[INFO] [stderr]     |
[INFO] [stderr] 101 | fn blerp(p:(f64, f64), x: (f64, f64), y: (f64,f64), f:(f64, f64, f64, f64)) -> f64{
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `LandscapeGeneration` 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: `landscape_generation`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.25s
[INFO] running `"docker" "inspect" "fcfc0ffebb2bb7bc760f712903ed787220045c190ec3c58ab4225c3119769819"`
[INFO] running `"docker" "rm" "-f" "fcfc0ffebb2bb7bc760f712903ed787220045c190ec3c58ab4225c3119769819"`
[INFO] [stdout] fcfc0ffebb2bb7bc760f712903ed787220045c190ec3c58ab4225c3119769819