[INFO] updating cached repository Noah-Kennedy/nav-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Noah-Kennedy/nav-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Noah-Kennedy/nav-rs" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/Noah-Kennedy/nav-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/Noah-Kennedy/nav-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Noah-Kennedy/nav-rs" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/Noah-Kennedy/nav-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/Noah-Kennedy/nav-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9c4e76625269fcf212d561490d5d2cd82b4195f1
[INFO] sha for GitHub repo Noah-Kennedy/nav-rs: 9c4e76625269fcf212d561490d5d2cd82b4195f1
[INFO] validating manifest of Noah-Kennedy/nav-rs on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Noah-Kennedy/nav-rs on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Noah-Kennedy/nav-rs
[INFO] finished frobbing Noah-Kennedy/nav-rs
[INFO] frobbed toml for Noah-Kennedy/nav-rs written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/Noah-Kennedy/nav-rs/Cargo.toml
[INFO] started frobbing Noah-Kennedy/nav-rs
[INFO] finished frobbing Noah-Kennedy/nav-rs
[INFO] frobbed toml for Noah-Kennedy/nav-rs written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/Noah-Kennedy/nav-rs/Cargo.toml
[INFO] crate Noah-Kennedy/nav-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Noah-Kennedy/nav-rs against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-5/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/Noah-Kennedy/nav-rs:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 57b416c84a8ee20e78f266288d9979dd866f0a16900fa185f706523ca942b4e5
[INFO] running `"docker" "start" "-a" "57b416c84a8ee20e78f266288d9979dd866f0a16900fa185f706523ca942b4e5"`
[INFO] [stderr]     Checking nav-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `ndarray::Array2`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use ndarray::Array2;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Array`, `Dim`, `SliceInfo`, `arr0`
[INFO] [stderr]  --> src/grid/mod.rs:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ndarray::{Array, Dim, Array2, SliceInfo, arr0};
[INFO] [stderr]   |               ^^^^^  ^^^          ^^^^^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ndarray::Array2`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use ndarray::Array2;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Array`, `Dim`, `SliceInfo`, `arr0`
[INFO] [stderr]  --> src/grid/mod.rs:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ndarray::{Array, Dim, Array2, SliceInfo, arr0};
[INFO] [stderr]   |               ^^^^^  ^^^          ^^^^^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `open_mut`
[INFO] [stderr]   --> src/grid/mod.rs:99:22
[INFO] [stderr]    |
[INFO] [stderr] 99 |                 let (open_mut, close_mut) = if self.mutable[pos] > 0 {
[INFO] [stderr]    |                      ^^^^^^^^ help: consider prefixing with an underscore: `_open_mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `close_mut`
[INFO] [stderr]   --> src/grid/mod.rs:99:32
[INFO] [stderr]    |
[INFO] [stderr] 99 |                 let (open_mut, close_mut) = if self.mutable[pos] > 0 {
[INFO] [stderr]    |                                ^^^^^^^^^ help: consider prefixing with an underscore: `_close_mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `open_mut`
[INFO] [stderr]   --> src/grid/mod.rs:99:22
[INFO] [stderr]    |
[INFO] [stderr] 99 |                 let (open_mut, close_mut) = if self.mutable[pos] > 0 {
[INFO] [stderr]    |                      ^^^^^^^^ help: consider prefixing with an underscore: `_open_mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `close_mut`
[INFO] [stderr]   --> src/grid/mod.rs:99:32
[INFO] [stderr]    |
[INFO] [stderr] 99 |                 let (open_mut, close_mut) = if self.mutable[pos] > 0 {
[INFO] [stderr]    |                                ^^^^^^^^^ help: consider prefixing with an underscore: `_close_mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `"docker" "inspect" "57b416c84a8ee20e78f266288d9979dd866f0a16900fa185f706523ca942b4e5"`
[INFO] running `"docker" "rm" "-f" "57b416c84a8ee20e78f266288d9979dd866f0a16900fa185f706523ca942b4e5"`
[INFO] [stdout] 57b416c84a8ee20e78f266288d9979dd866f0a16900fa185f706523ca942b4e5