[INFO] updating cached repository data-pup/pxl-pond
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/data-pup/pxl-pond
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/data-pup/pxl-pond" "work/ex/beta-1.38-1/sources/1.37.0/gh/data-pup/pxl-pond"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/data-pup/pxl-pond'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/data-pup/pxl-pond" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/data-pup/pxl-pond"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/data-pup/pxl-pond'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fd83981aa3db17824f4e4042ab443175400519ce
[INFO] sha for GitHub repo data-pup/pxl-pond: fd83981aa3db17824f4e4042ab443175400519ce
[INFO] validating manifest of data-pup/pxl-pond 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 data-pup/pxl-pond 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 data-pup/pxl-pond
[INFO] finished frobbing data-pup/pxl-pond
[INFO] frobbed toml for data-pup/pxl-pond written to work/ex/beta-1.38-1/sources/1.37.0/gh/data-pup/pxl-pond/Cargo.toml
[INFO] started frobbing data-pup/pxl-pond
[INFO] finished frobbing data-pup/pxl-pond
[INFO] frobbed toml for data-pup/pxl-pond written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/data-pup/pxl-pond/Cargo.toml
[INFO] crate data-pup/pxl-pond 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 data-pup/pxl-pond against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/data-pup/pxl-pond:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] d00dad709765a667c5aed4d8e8e1a0fbe9bafaca51e8f3c3ae6d05422e2ec7d1
[INFO] running `"docker" "start" "-a" "d00dad709765a667c5aed4d8e8e1a0fbe9bafaca51e8f3c3ae6d05422e2ec7d1"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling x11-dl v2.18.0
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling memmap v0.6.2
[INFO] [stderr]    Compiling shared_library v0.1.8
[INFO] [stderr]    Compiling wayland-scanner v0.20.10
[INFO] [stderr]    Compiling tempfile v3.0.2
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling parking_lot v0.5.5
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling cpal v0.8.1
[INFO] [stderr]    Compiling wayland-sys v0.20.10
[INFO] [stderr]    Compiling wayland-client v0.20.10
[INFO] [stderr]    Compiling wayland-protocols v0.20.10
[INFO] [stderr]    Compiling wayland-commons v0.20.10
[INFO] [stderr]    Compiling glutin v0.16.0
[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr]    Compiling smithay-client-toolkit v0.2.3
[INFO] [stderr]    Compiling winit v0.15.1
[INFO] [stderr]    Compiling pxl v0.0.7
[INFO] [stderr]    Compiling pxl-pond v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `pixel`
[INFO] [stderr]    --> src/main.rs:214:14
[INFO] [stderr]     |
[INFO] [stderr] 214 |         for (pixel, droplet, coord) in izip!(pixels_iter, droplets_iter, coord_iter) {
[INFO] [stderr]     |              ^^^^^ help: consider prefixing with an underscore: `_pixel`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `droplet`
[INFO] [stderr]    --> src/main.rs:214:21
[INFO] [stderr]     |
[INFO] [stderr] 214 |         for (pixel, droplet, coord) in izip!(pixels_iter, droplets_iter, coord_iter) {
[INFO] [stderr]     |                     ^^^^^^^ help: consider prefixing with an underscore: `_droplet`
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `TOUCHED_TEMP`
[INFO] [stderr]   --> src/main.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | const TOUCHED_TEMP: f32 = 0.0;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `release`
[INFO] [stderr]    --> src/main.rs:129:5
[INFO] [stderr]     |
[INFO] [stderr] 129 |     fn release(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `update_epicenter`
[INFO] [stderr]    --> src/main.rs:134:5
[INFO] [stderr]     |
[INFO] [stderr] 134 |     fn update_epicenter(&mut self, new_val: f32) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_ripple_epicenter`
[INFO] [stderr]    --> src/main.rs:153:5
[INFO] [stderr]     |
[INFO] [stderr] 153 |     fn get_ripple_epicenter() -> impl Iterator<Item = Coordinate> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `index`
[INFO] [stderr]    --> src/main.rs:161:5
[INFO] [stderr]     |
[INFO] [stderr] 161 |     fn index(x: usize, y: usize) -> Option<usize> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `in_bounds`
[INFO] [stderr]    --> src/main.rs:179:5
[INFO] [stderr]     |
[INFO] [stderr] 179 |     fn in_bounds(x: usize, y: usize) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `"docker" "inspect" "d00dad709765a667c5aed4d8e8e1a0fbe9bafaca51e8f3c3ae6d05422e2ec7d1"`
[INFO] running `"docker" "rm" "-f" "d00dad709765a667c5aed4d8e8e1a0fbe9bafaca51e8f3c3ae6d05422e2ec7d1"`
[INFO] [stdout] d00dad709765a667c5aed4d8e8e1a0fbe9bafaca51e8f3c3ae6d05422e2ec7d1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/data-pup/pxl-pond:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1b000568f804cc67f0a4af7a5a7f216460d4a7086921fdde7b90349191bd8b08
[INFO] running `"docker" "start" "-a" "1b000568f804cc67f0a4af7a5a7f216460d4a7086921fdde7b90349191bd8b08"`
[INFO] [stderr]    Compiling pxl-pond v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `pixel`
[INFO] [stderr]    --> src/main.rs:214:14
[INFO] [stderr]     |
[INFO] [stderr] 214 |         for (pixel, droplet, coord) in izip!(pixels_iter, droplets_iter, coord_iter) {
[INFO] [stderr]     |              ^^^^^ help: consider prefixing with an underscore: `_pixel`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `droplet`
[INFO] [stderr]    --> src/main.rs:214:21
[INFO] [stderr]     |
[INFO] [stderr] 214 |         for (pixel, droplet, coord) in izip!(pixels_iter, droplets_iter, coord_iter) {
[INFO] [stderr]     |                     ^^^^^^^ help: consider prefixing with an underscore: `_droplet`
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `TOUCHED_TEMP`
[INFO] [stderr]   --> src/main.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | const TOUCHED_TEMP: f32 = 0.0;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `release`
[INFO] [stderr]    --> src/main.rs:129:5
[INFO] [stderr]     |
[INFO] [stderr] 129 |     fn release(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `update_epicenter`
[INFO] [stderr]    --> src/main.rs:134:5
[INFO] [stderr]     |
[INFO] [stderr] 134 |     fn update_epicenter(&mut self, new_val: f32) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_ripple_epicenter`
[INFO] [stderr]    --> src/main.rs:153:5
[INFO] [stderr]     |
[INFO] [stderr] 153 |     fn get_ripple_epicenter() -> impl Iterator<Item = Coordinate> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `index`
[INFO] [stderr]    --> src/main.rs:161:5
[INFO] [stderr]     |
[INFO] [stderr] 161 |     fn index(x: usize, y: usize) -> Option<usize> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `in_bounds`
[INFO] [stderr]    --> src/main.rs:179:5
[INFO] [stderr]     |
[INFO] [stderr] 179 |     fn in_bounds(x: usize, y: usize) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `"docker" "inspect" "1b000568f804cc67f0a4af7a5a7f216460d4a7086921fdde7b90349191bd8b08"`
[INFO] running `"docker" "rm" "-f" "1b000568f804cc67f0a4af7a5a7f216460d4a7086921fdde7b90349191bd8b08"`
[INFO] [stdout] 1b000568f804cc67f0a4af7a5a7f216460d4a7086921fdde7b90349191bd8b08
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/data-pup/pxl-pond:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 1a775703ad9cd05b5463a5a8c8fd1cd46cb1e681aba1fa8c0dea10e9f9349b85
[INFO] running `"docker" "start" "-a" "1a775703ad9cd05b5463a5a8c8fd1cd46cb1e681aba1fa8c0dea10e9f9349b85"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/pxl_pond-c51aa012dcab54eb
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "1a775703ad9cd05b5463a5a8c8fd1cd46cb1e681aba1fa8c0dea10e9f9349b85"`
[INFO] running `"docker" "rm" "-f" "1a775703ad9cd05b5463a5a8c8fd1cd46cb1e681aba1fa8c0dea10e9f9349b85"`
[INFO] [stdout] 1a775703ad9cd05b5463a5a8c8fd1cd46cb1e681aba1fa8c0dea10e9f9349b85