[INFO] cloning repository https://github.com/data-pup/pxl-pond
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/data-pup/pxl-pond" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdata-pup%2Fpxl-pond", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdata-pup%2Fpxl-pond'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fd83981aa3db17824f4e4042ab443175400519ce
[INFO] testing data-pup/pxl-pond against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdata-pup%2Fpxl-pond" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/data-pup/pxl-pond on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/data-pup/pxl-pond
[INFO] finished tweaking git repo https://github.com/data-pup/pxl-pond
[INFO] tweaked toml for git repo https://github.com/data-pup/pxl-pond written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/data-pup/pxl-pond already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 073590ded7b93bc224e094a36bae2e4049d347c1e6775f79ee6b58d61a6dfd77
[INFO] running `Command { std: "docker" "start" "-a" "073590ded7b93bc224e094a36bae2e4049d347c1e6775f79ee6b58d61a6dfd77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "073590ded7b93bc224e094a36bae2e4049d347c1e6775f79ee6b58d61a6dfd77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "073590ded7b93bc224e094a36bae2e4049d347c1e6775f79ee6b58d61a6dfd77", kill_on_drop: false }`
[INFO] [stdout] 073590ded7b93bc224e094a36bae2e4049d347c1e6775f79ee6b58d61a6dfd77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f04107235574715869f469b1e9133fbb5d3a6f02ffe4540106eea60e8d72c9b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5f04107235574715869f469b1e9133fbb5d3a6f02ffe4540106eea60e8d72c9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling downcast-rs v1.0.3
[INFO] [stderr]    Compiling stable_deref_trait v1.1.0
[INFO] [stderr]    Compiling smallvec v0.6.2
[INFO] [stderr]    Compiling log v0.4.2
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling itertools v0.7.8
[INFO] [stderr]    Compiling wayland-scanner v0.20.10
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling wayland-sys v0.20.10
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling wayland-commons v0.20.10
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling parking_lot v0.5.5
[INFO] [stderr]    Compiling cpal v0.8.1
[INFO] [stderr]    Compiling wayland-client v0.20.10
[INFO] [stderr]    Compiling wayland-protocols v0.20.10
[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr]    Compiling glutin v0.16.0
[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/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `pixel`
[INFO] [stdout]    --> src/main.rs:214:14
[INFO] [stdout]     |
[INFO] [stdout] 214 |         for (pixel, droplet, coord) in izip!(pixels_iter, droplets_iter, coord_iter) {
[INFO] [stdout]     |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_pixel`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `droplet`
[INFO] [stdout]    --> src/main.rs:214:21
[INFO] [stdout]     |
[INFO] [stdout] 214 |         for (pixel, droplet, coord) in izip!(pixels_iter, droplets_iter, coord_iter) {
[INFO] [stdout]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_droplet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `TOUCHED_TEMP`
[INFO] [stdout]   --> src/main.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | const TOUCHED_TEMP: f32 = 0.0;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `release`
[INFO] [stdout]    --> src/main.rs:129:8
[INFO] [stdout]     |
[INFO] [stdout] 129 |     fn release(&mut self) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update_epicenter`
[INFO] [stdout]    --> src/main.rs:134:8
[INFO] [stdout]     |
[INFO] [stdout] 134 |     fn update_epicenter(&mut self, new_val: f32) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_ripple_epicenter`
[INFO] [stdout]    --> src/main.rs:153:8
[INFO] [stdout]     |
[INFO] [stdout] 153 |     fn get_ripple_epicenter() -> impl Iterator<Item = Coordinate> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `index`
[INFO] [stdout]    --> src/main.rs:161:8
[INFO] [stdout]     |
[INFO] [stdout] 161 |     fn index(x: usize, y: usize) -> Option<usize> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `in_bounds`
[INFO] [stdout]    --> src/main.rs:179:8
[INFO] [stdout]     |
[INFO] [stdout] 179 |     fn in_bounds(x: usize, y: usize) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.24s
[INFO] running `Command { std: "docker" "inspect" "5f04107235574715869f469b1e9133fbb5d3a6f02ffe4540106eea60e8d72c9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f04107235574715869f469b1e9133fbb5d3a6f02ffe4540106eea60e8d72c9b", kill_on_drop: false }`
[INFO] [stdout] 5f04107235574715869f469b1e9133fbb5d3a6f02ffe4540106eea60e8d72c9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f3744fa3c5a836f49cde3462a8fd7ceba78a3f8f6338c640e145cdd1f61e16f6
[INFO] running `Command { std: "docker" "start" "-a" "f3744fa3c5a836f49cde3462a8fd7ceba78a3f8f6338c640e145cdd1f61e16f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling pxl-pond v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `pixel`
[INFO] [stdout]    --> src/main.rs:214:14
[INFO] [stdout]     |
[INFO] [stdout] 214 |         for (pixel, droplet, coord) in izip!(pixels_iter, droplets_iter, coord_iter) {
[INFO] [stdout]     |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_pixel`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `droplet`
[INFO] [stdout]    --> src/main.rs:214:21
[INFO] [stdout]     |
[INFO] [stdout] 214 |         for (pixel, droplet, coord) in izip!(pixels_iter, droplets_iter, coord_iter) {
[INFO] [stdout]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_droplet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `TOUCHED_TEMP`
[INFO] [stdout]   --> src/main.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | const TOUCHED_TEMP: f32 = 0.0;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `release`
[INFO] [stdout]    --> src/main.rs:129:8
[INFO] [stdout]     |
[INFO] [stdout] 129 |     fn release(&mut self) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update_epicenter`
[INFO] [stdout]    --> src/main.rs:134:8
[INFO] [stdout]     |
[INFO] [stdout] 134 |     fn update_epicenter(&mut self, new_val: f32) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_ripple_epicenter`
[INFO] [stdout]    --> src/main.rs:153:8
[INFO] [stdout]     |
[INFO] [stdout] 153 |     fn get_ripple_epicenter() -> impl Iterator<Item = Coordinate> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `index`
[INFO] [stdout]    --> src/main.rs:161:8
[INFO] [stdout]     |
[INFO] [stdout] 161 |     fn index(x: usize, y: usize) -> Option<usize> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `in_bounds`
[INFO] [stdout]    --> src/main.rs:179:8
[INFO] [stdout]     |
[INFO] [stdout] 179 |     fn in_bounds(x: usize, y: usize) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `Command { std: "docker" "inspect" "f3744fa3c5a836f49cde3462a8fd7ceba78a3f8f6338c640e145cdd1f61e16f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3744fa3c5a836f49cde3462a8fd7ceba78a3f8f6338c640e145cdd1f61e16f6", kill_on_drop: false }`
[INFO] [stdout] f3744fa3c5a836f49cde3462a8fd7ceba78a3f8f6338c640e145cdd1f61e16f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e7aa31071fbac18f3d9fe05fe15a5494a4af2c241778ed69fc1764142767f05f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e7aa31071fbac18f3d9fe05fe15a5494a4af2c241778ed69fc1764142767f05f", kill_on_drop: false }`
[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: if this is intentional, prefix it 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: if this is intentional, prefix it with an underscore: `_droplet`
[INFO] [stderr] 
[INFO] [stderr] warning: constant 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: associated function is never used: `release`
[INFO] [stderr]    --> src/main.rs:129:8
[INFO] [stderr]     |
[INFO] [stderr] 129 |     fn release(&mut self) {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `update_epicenter`
[INFO] [stderr]    --> src/main.rs:134:8
[INFO] [stderr]     |
[INFO] [stderr] 134 |     fn update_epicenter(&mut self, new_val: f32) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_ripple_epicenter`
[INFO] [stderr]    --> src/main.rs:153:8
[INFO] [stderr]     |
[INFO] [stderr] 153 |     fn get_ripple_epicenter() -> impl Iterator<Item = Coordinate> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `index`
[INFO] [stderr]    --> src/main.rs:161:8
[INFO] [stderr]     |
[INFO] [stderr] 161 |     fn index(x: usize, y: usize) -> Option<usize> {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `in_bounds`
[INFO] [stderr]    --> src/main.rs:179:8
[INFO] [stderr]     |
[INFO] [stderr] 179 |     fn in_bounds(x: usize, y: usize) -> bool {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `pxl-pond` (bin "pxl-pond" test) generated 8 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pxl_pond-99928fa51cf8c0f6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e7aa31071fbac18f3d9fe05fe15a5494a4af2c241778ed69fc1764142767f05f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7aa31071fbac18f3d9fe05fe15a5494a4af2c241778ed69fc1764142767f05f", kill_on_drop: false }`
[INFO] [stdout] e7aa31071fbac18f3d9fe05fe15a5494a4af2c241778ed69fc1764142767f05f