[INFO] cloning repository https://github.com/aszecsei/impact
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aszecsei/impact" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faszecsei%2Fimpact"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faszecsei%2Fimpact'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b1dd836d2032785ab732cba1a92e785d11874a92
[INFO] testing aszecsei/impact against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faszecsei%2Fimpact" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aszecsei/impact on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/aszecsei/impact
[INFO] finished tweaking git repo https://github.com/aszecsei/impact
[INFO] tweaked toml for git repo https://github.com/aszecsei/impact written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/aszecsei/impact already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 64645f4315a38c2e7e600619c44170f66e92bd6c050900b788792f312ee3a5c1
[INFO] running `"docker" "start" "-a" "64645f4315a38c2e7e600619c44170f66e92bd6c050900b788792f312ee3a5c1"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling metrohash v1.0.6
[INFO] [stderr]    Compiling path-slash v0.1.1
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling humansize v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling bincode v1.2.0
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling gif v0.10.3
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling png v0.15.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rayon v1.2.0
[INFO] [stderr]    Compiling chrono v0.4.10
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling fern v0.5.9
[INFO] [stderr]    Compiling jpeg-decoder v0.1.16
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]    Compiling tiff v0.3.1
[INFO] [stderr]    Compiling image v0.22.3
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling structopt-derive v0.3.3
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling structopt v0.3.3
[INFO] [stderr]    Compiling serde_json v1.0.41
[INFO] [stderr]    Compiling impact v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `insert_list`
[INFO] [stderr]   --> src/bin_packs/max_rects.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 | /     pub fn insert_list(
[INFO] [stderr] 41 | |         &mut self,
[INFO] [stderr] 42 | |         rects: &[Rect],
[INFO] [stderr] 43 | |         rot: bool,
[INFO] [stderr] ...  |
[INFO] [stderr] 76 | |         dst
[INFO] [stderr] 77 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `occupancy`
[INFO] [stderr]    --> src/bin_packs/max_rects.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 |     pub fn occupancy(&self) -> f32 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `score_rect`
[INFO] [stderr]    --> src/bin_packs/max_rects.rs:121:5
[INFO] [stderr]     |
[INFO] [stderr] 121 | /     fn score_rect(
[INFO] [stderr] 122 | |         &self,
[INFO] [stderr] 123 | |         width: i32,
[INFO] [stderr] 124 | |         height: i32,
[INFO] [stderr] ...   |
[INFO] [stderr] 154 | |         (new_node, score1, score2)
[INFO] [stderr] 155 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `compare_rect_short_side`
[INFO] [stderr]   --> src/rect.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn compare_rect_short_side(&self, b: &Rect) -> std::cmp::Ordering {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `node_sort_cmp`
[INFO] [stderr]   --> src/rect.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn node_sort_cmp(a: &Rect, b: &Rect) -> std::cmp::Ordering {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `DisjointRectCollection`
[INFO] [stderr]   --> src/rect.rs:51:12
[INFO] [stderr]    |
[INFO] [stderr] 51 | pub struct DisjointRectCollection {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/rect.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add`
[INFO] [stderr]   --> src/rect.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub fn add(&mut self, r: &Rect) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `clear`
[INFO] [stderr]   --> src/rect.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub fn clear(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `disjoint`
[INFO] [stderr]   --> src/rect.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 78 |     pub fn disjoint(&self, r: &Rect) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `disjoint`
[INFO] [stderr]   --> src/rect.rs:94:4
[INFO] [stderr]    |
[INFO] [stderr] 94 | fn disjoint(a: &Rect, b: &Rect) -> bool {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 46s
[INFO] running `"docker" "inspect" "64645f4315a38c2e7e600619c44170f66e92bd6c050900b788792f312ee3a5c1"`
[INFO] running `"docker" "rm" "-f" "64645f4315a38c2e7e600619c44170f66e92bd6c050900b788792f312ee3a5c1"`
[INFO] [stdout] 64645f4315a38c2e7e600619c44170f66e92bd6c050900b788792f312ee3a5c1
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 14a8dc3f9da26e45553210ba2b4b6b3b29b22841fd6f6121a31039435348ed9d
[INFO] running `"docker" "start" "-a" "14a8dc3f9da26e45553210ba2b4b6b3b29b22841fd6f6121a31039435348ed9d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling impact v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `insert_list`
[INFO] [stderr]   --> src/bin_packs/max_rects.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 | /     pub fn insert_list(
[INFO] [stderr] 41 | |         &mut self,
[INFO] [stderr] 42 | |         rects: &[Rect],
[INFO] [stderr] 43 | |         rot: bool,
[INFO] [stderr] ...  |
[INFO] [stderr] 76 | |         dst
[INFO] [stderr] 77 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `occupancy`
[INFO] [stderr]    --> src/bin_packs/max_rects.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 |     pub fn occupancy(&self) -> f32 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `score_rect`
[INFO] [stderr]    --> src/bin_packs/max_rects.rs:121:5
[INFO] [stderr]     |
[INFO] [stderr] 121 | /     fn score_rect(
[INFO] [stderr] 122 | |         &self,
[INFO] [stderr] 123 | |         width: i32,
[INFO] [stderr] 124 | |         height: i32,
[INFO] [stderr] ...   |
[INFO] [stderr] 154 | |         (new_node, score1, score2)
[INFO] [stderr] 155 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `compare_rect_short_side`
[INFO] [stderr]   --> src/rect.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn compare_rect_short_side(&self, b: &Rect) -> std::cmp::Ordering {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `node_sort_cmp`
[INFO] [stderr]   --> src/rect.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn node_sort_cmp(a: &Rect, b: &Rect) -> std::cmp::Ordering {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `DisjointRectCollection`
[INFO] [stderr]   --> src/rect.rs:51:12
[INFO] [stderr]    |
[INFO] [stderr] 51 | pub struct DisjointRectCollection {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/rect.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add`
[INFO] [stderr]   --> src/rect.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub fn add(&mut self, r: &Rect) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `clear`
[INFO] [stderr]   --> src/rect.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub fn clear(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `disjoint`
[INFO] [stderr]   --> src/rect.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 78 |     pub fn disjoint(&self, r: &Rect) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `disjoint`
[INFO] [stderr]   --> src/rect.rs:94:4
[INFO] [stderr]    |
[INFO] [stderr] 94 | fn disjoint(a: &Rect, b: &Rect) -> bool {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.87s
[INFO] running `"docker" "inspect" "14a8dc3f9da26e45553210ba2b4b6b3b29b22841fd6f6121a31039435348ed9d"`
[INFO] running `"docker" "rm" "-f" "14a8dc3f9da26e45553210ba2b4b6b3b29b22841fd6f6121a31039435348ed9d"`
[INFO] [stdout] 14a8dc3f9da26e45553210ba2b4b6b3b29b22841fd6f6121a31039435348ed9d
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a6e711aac6083a3a0b99bb84cbfe2c184cc6ead430da0b89e0af1f447b32021f
[INFO] running `"docker" "start" "-a" "a6e711aac6083a3a0b99bb84cbfe2c184cc6ead430da0b89e0af1f447b32021f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: method is never used: `insert_list`
[INFO] [stderr]   --> src/bin_packs/max_rects.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 | /     pub fn insert_list(
[INFO] [stderr] 41 | |         &mut self,
[INFO] [stderr] 42 | |         rects: &[Rect],
[INFO] [stderr] 43 | |         rot: bool,
[INFO] [stderr] ...  |
[INFO] [stderr] 76 | |         dst
[INFO] [stderr] 77 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `occupancy`
[INFO] [stderr]    --> src/bin_packs/max_rects.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 |     pub fn occupancy(&self) -> f32 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `score_rect`
[INFO] [stderr]    --> src/bin_packs/max_rects.rs:121:5
[INFO] [stderr]     |
[INFO] [stderr] 121 | /     fn score_rect(
[INFO] [stderr] 122 | |         &self,
[INFO] [stderr] 123 | |         width: i32,
[INFO] [stderr] 124 | |         height: i32,
[INFO] [stderr] ...   |
[INFO] [stderr] 154 | |         (new_node, score1, score2)
[INFO] [stderr] 155 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `compare_rect_short_side`
[INFO] [stderr]   --> src/rect.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn compare_rect_short_side(&self, b: &Rect) -> std::cmp::Ordering {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `node_sort_cmp`
[INFO] [stderr]   --> src/rect.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn node_sort_cmp(a: &Rect, b: &Rect) -> std::cmp::Ordering {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `DisjointRectCollection`
[INFO] [stderr]   --> src/rect.rs:51:12
[INFO] [stderr]    |
[INFO] [stderr] 51 | pub struct DisjointRectCollection {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/rect.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add`
[INFO] [stderr]   --> src/rect.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub fn add(&mut self, r: &Rect) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `clear`
[INFO] [stderr]   --> src/rect.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub fn clear(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `disjoint`
[INFO] [stderr]   --> src/rect.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 78 |     pub fn disjoint(&self, r: &Rect) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `disjoint`
[INFO] [stderr]   --> src/rect.rs:94:4
[INFO] [stderr]    |
[INFO] [stderr] 94 | fn disjoint(a: &Rect, b: &Rect) -> bool {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/impact-27f046e9ac24dc26
[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" "a6e711aac6083a3a0b99bb84cbfe2c184cc6ead430da0b89e0af1f447b32021f"`
[INFO] running `"docker" "rm" "-f" "a6e711aac6083a3a0b99bb84cbfe2c184cc6ead430da0b89e0af1f447b32021f"`
[INFO] [stdout] a6e711aac6083a3a0b99bb84cbfe2c184cc6ead430da0b89e0af1f447b32021f