[INFO] updating cached repository nhellwig/treemap2d
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nhellwig/treemap2d
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nhellwig/treemap2d" "work/ex/beta-1.37-6/sources/1.36.0/gh/nhellwig/treemap2d"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/nhellwig/treemap2d'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nhellwig/treemap2d" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nhellwig/treemap2d"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nhellwig/treemap2d'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 82241681155c3e0445d9416b08cb2c9122687396
[INFO] sha for GitHub repo nhellwig/treemap2d: 82241681155c3e0445d9416b08cb2c9122687396
[INFO] validating manifest of nhellwig/treemap2d on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of nhellwig/treemap2d on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing nhellwig/treemap2d
[INFO] finished frobbing nhellwig/treemap2d
[INFO] frobbed toml for nhellwig/treemap2d written to work/ex/beta-1.37-6/sources/1.36.0/gh/nhellwig/treemap2d/Cargo.toml
[INFO] started frobbing nhellwig/treemap2d
[INFO] finished frobbing nhellwig/treemap2d
[INFO] frobbed toml for nhellwig/treemap2d written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nhellwig/treemap2d/Cargo.toml
[INFO] crate nhellwig/treemap2d already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing nhellwig/treemap2d against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/nhellwig/treemap2d:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 65760093140fc245869bb5ff0cdb5abc15c6684393455ab07f8a1a8d7d0e114c
[INFO] running `"docker" "start" "-a" "65760093140fc245869bb5ff0cdb5abc15c6684393455ab07f8a1a8d7d0e114c"`
[INFO] [stderr]    Compiling piston-float v1.0.0
[INFO] [stderr]    Compiling piston-graphics_api_version v0.1.0
[INFO] [stderr]    Compiling libloading v0.5.1
[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]    Compiling piston-viewport v1.0.0
[INFO] [stderr]    Compiling vecmath v1.0.0
[INFO] [stderr]    Compiling shader_version v0.5.0
[INFO] [stderr]    Compiling derivative v1.0.2
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling pistoncore-input v0.25.0
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling piston2d-graphics v0.32.0
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]    Compiling glutin v0.19.0
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]    Compiling wayland-sys v0.21.12
[INFO] [stderr]    Compiling pistoncore-window v0.39.0
[INFO] [stderr]    Compiling pistoncore-event_loop v0.44.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling piston v0.44.0
[INFO] [stderr]    Compiling wayland-commons v0.21.12
[INFO] [stderr]    Compiling gfx_core v0.8.3
[INFO] [stderr]    Compiling wayland-client v0.21.12
[INFO] [stderr]    Compiling image v0.21.1
[INFO] [stderr]    Compiling wayland-protocols v0.21.12
[INFO] [stderr]    Compiling smithay-client-toolkit v0.4.5
[INFO] [stderr]    Compiling winit v0.18.1
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.57.0
[INFO] [stderr]    Compiling gfx v0.17.1
[INFO] [stderr]    Compiling gfx_device_gl v0.15.5
[INFO] [stderr]    Compiling piston-gfx_texture v0.36.0
[INFO] [stderr]    Compiling piston2d-gfx_graphics v0.60.0
[INFO] [stderr]    Compiling piston_window v0.94.0
[INFO] [stderr]    Compiling treemap2d v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `max`, `min`
[INFO] [stderr]  --> src/main.rs:8:16
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::cmp::{max, min};
[INFO] [stderr]   |                ^^^  ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `h`
[INFO] [stderr]    --> src/main.rs:201:13
[INFO] [stderr]     |
[INFO] [stderr] 201 |             h => panic!("UNSUPPORTED"), // maybe try from
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_h`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `shift_hue`
[INFO] [stderr]    --> src/main.rs:247:5
[INFO] [stderr]     |
[INFO] [stderr] 247 |     fn shift_hue(&self, shift: u16) -> Color {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]    --> src/main.rs:195:18
[INFO] [stderr]     |
[INFO] [stderr] 195 |             h if 0 <= h && h < 60 => (c, x, 0.0),
[INFO] [stderr]     |                  ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_comparisons)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 24s
[INFO] running `"docker" "inspect" "65760093140fc245869bb5ff0cdb5abc15c6684393455ab07f8a1a8d7d0e114c"`
[INFO] running `"docker" "rm" "-f" "65760093140fc245869bb5ff0cdb5abc15c6684393455ab07f8a1a8d7d0e114c"`
[INFO] [stdout] 65760093140fc245869bb5ff0cdb5abc15c6684393455ab07f8a1a8d7d0e114c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/nhellwig/treemap2d:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 03ad41cbf7acc67d4e92d70ba11c327b187e3bbb3b74ffb5cdb613b4877f840e
[INFO] running `"docker" "start" "-a" "03ad41cbf7acc67d4e92d70ba11c327b187e3bbb3b74ffb5cdb613b4877f840e"`
[INFO] [stderr]    Compiling treemap2d v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `max`, `min`
[INFO] [stderr]  --> src/main.rs:8:16
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::cmp::{max, min};
[INFO] [stderr]   |                ^^^  ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `h`
[INFO] [stderr]    --> src/main.rs:201:13
[INFO] [stderr]     |
[INFO] [stderr] 201 |             h => panic!("UNSUPPORTED"), // maybe try from
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_h`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]    --> src/main.rs:195:18
[INFO] [stderr]     |
[INFO] [stderr] 195 |             h if 0 <= h && h < 60 => (c, x, 0.0),
[INFO] [stderr]     |                  ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_comparisons)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.70s
[INFO] running `"docker" "inspect" "03ad41cbf7acc67d4e92d70ba11c327b187e3bbb3b74ffb5cdb613b4877f840e"`
[INFO] running `"docker" "rm" "-f" "03ad41cbf7acc67d4e92d70ba11c327b187e3bbb3b74ffb5cdb613b4877f840e"`
[INFO] [stdout] 03ad41cbf7acc67d4e92d70ba11c327b187e3bbb3b74ffb5cdb613b4877f840e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/nhellwig/treemap2d:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] fde822f60516b65ed4b6fbc56068e0cffa197ba622e0c7a236fc2a6ec12c832e
[INFO] running `"docker" "start" "-a" "fde822f60516b65ed4b6fbc56068e0cffa197ba622e0c7a236fc2a6ec12c832e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/treemap2d-a0193d03aff6262d
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test test::should_convert_hsl ... ok
[INFO] [stdout] test layout::test::should_layout_best ... ok
[INFO] [stdout] test test::should_shift_hue ... ok
[INFO] [stdout] test test::should_create_from_hsl ... ok
[INFO] [stdout] test layout::test::should_calculate_totals ... ok
[INFO] [stdout] test test::should_create_from_rgb ... ok
[INFO] [stdout] test test::should_lighten ... ok
[INFO] [stdout] test test::should_darken ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "fde822f60516b65ed4b6fbc56068e0cffa197ba622e0c7a236fc2a6ec12c832e"`
[INFO] running `"docker" "rm" "-f" "fde822f60516b65ed4b6fbc56068e0cffa197ba622e0c7a236fc2a6ec12c832e"`
[INFO] [stdout] fde822f60516b65ed4b6fbc56068e0cffa197ba622e0c7a236fc2a6ec12c832e