[INFO] updating cached repository ekardnam/dank_fractals
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ekardnam/dank_fractals
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ekardnam/dank_fractals" "work/ex/beta-1.38-1/sources/1.37.0/gh/ekardnam/dank_fractals"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ekardnam/dank_fractals'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ekardnam/dank_fractals" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ekardnam/dank_fractals"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ekardnam/dank_fractals'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4330ab353c13a8ecb1c29d49bd2fe05d39a7561c
[INFO] sha for GitHub repo ekardnam/dank_fractals: 4330ab353c13a8ecb1c29d49bd2fe05d39a7561c
[INFO] validating manifest of ekardnam/dank_fractals 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 ekardnam/dank_fractals 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 ekardnam/dank_fractals
[INFO] finished frobbing ekardnam/dank_fractals
[INFO] frobbed toml for ekardnam/dank_fractals written to work/ex/beta-1.38-1/sources/1.37.0/gh/ekardnam/dank_fractals/Cargo.toml
[INFO] started frobbing ekardnam/dank_fractals
[INFO] finished frobbing ekardnam/dank_fractals
[INFO] frobbed toml for ekardnam/dank_fractals written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ekardnam/dank_fractals/Cargo.toml
[INFO] crate ekardnam/dank_fractals 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 ekardnam/dank_fractals 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ekardnam/dank_fractals:/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] b03156e2c246c566dd747a3f3c71df14d7e230ae5b64bbdfc64f4edc35fc00de
[INFO] running `"docker" "start" "-a" "b03156e2c246c566dd747a3f3c71df14d7e230ae5b64bbdfc64f4edc35fc00de"`
[INFO] [stderr]    Compiling cc v1.0.13
[INFO] [stderr]    Compiling bitflags v1.0.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.7
[INFO] [stderr]    Compiling smallvec v0.6.1
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling memmap v0.6.2
[INFO] [stderr]    Compiling shared_library v0.1.8
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling x11-dl v2.17.5
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling tempfile v3.0.1
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling wayland-scanner v0.12.5
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling wayland-sys v0.12.5
[INFO] [stderr]    Compiling wayland-client v0.12.5
[INFO] [stderr]    Compiling wayland-protocols v0.12.5
[INFO] [stderr]    Compiling glutin v0.14.0
[INFO] [stderr]    Compiling glium v0.21.0
[INFO] [stderr]    Compiling wayland-kbd v0.13.1
[INFO] [stderr]    Compiling wayland-window v0.13.3
[INFO] [stderr]    Compiling winit v0.12.0
[INFO] [stderr]    Compiling backtrace v0.3.6
[INFO] [stderr]    Compiling dank_fractals v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Duration`
[INFO] [stderr]  --> src/main.rs:6:26
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::time::{Instant, Duration};
[INFO] [stderr]   |                          ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/view.rs:44:22
[INFO] [stderr]    |
[INFO] [stderr] 44 |         self.zoom += (mouse_input * scale);
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `clamp`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn clamp(value: &mut f32, min: f32, max: f32) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `upper_clamp`
[INFO] [stderr]   --> src/main.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn upper_clamp(value: &mut f32, max: f32) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 24s
[INFO] running `"docker" "inspect" "b03156e2c246c566dd747a3f3c71df14d7e230ae5b64bbdfc64f4edc35fc00de"`
[INFO] running `"docker" "rm" "-f" "b03156e2c246c566dd747a3f3c71df14d7e230ae5b64bbdfc64f4edc35fc00de"`
[INFO] [stdout] b03156e2c246c566dd747a3f3c71df14d7e230ae5b64bbdfc64f4edc35fc00de
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ekardnam/dank_fractals:/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] 7f8e79caa93770969764e410c12f19c7ebee0e024da84da75f9c97024d36eda9
[INFO] running `"docker" "start" "-a" "7f8e79caa93770969764e410c12f19c7ebee0e024da84da75f9c97024d36eda9"`
[INFO] [stderr]    Compiling dank_fractals v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Duration`
[INFO] [stderr]  --> src/main.rs:6:26
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::time::{Instant, Duration};
[INFO] [stderr]   |                          ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/view.rs:44:22
[INFO] [stderr]    |
[INFO] [stderr] 44 |         self.zoom += (mouse_input * scale);
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `clamp`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn clamp(value: &mut f32, min: f32, max: f32) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `upper_clamp`
[INFO] [stderr]   --> src/main.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn upper_clamp(value: &mut f32, max: f32) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `"docker" "inspect" "7f8e79caa93770969764e410c12f19c7ebee0e024da84da75f9c97024d36eda9"`
[INFO] running `"docker" "rm" "-f" "7f8e79caa93770969764e410c12f19c7ebee0e024da84da75f9c97024d36eda9"`
[INFO] [stdout] 7f8e79caa93770969764e410c12f19c7ebee0e024da84da75f9c97024d36eda9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ekardnam/dank_fractals:/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] 6a0c2e1c7d69cef33402c3acd0cc2f271312cc7441b12cf407e5450dacea17b4
[INFO] running `"docker" "start" "-a" "6a0c2e1c7d69cef33402c3acd0cc2f271312cc7441b12cf407e5450dacea17b4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/dank_fractals-163a7f134fb9e1ae
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "6a0c2e1c7d69cef33402c3acd0cc2f271312cc7441b12cf407e5450dacea17b4"`
[INFO] running `"docker" "rm" "-f" "6a0c2e1c7d69cef33402c3acd0cc2f271312cc7441b12cf407e5450dacea17b4"`
[INFO] [stdout] 6a0c2e1c7d69cef33402c3acd0cc2f271312cc7441b12cf407e5450dacea17b4