[INFO] cloning repository https://github.com/mlange-42/easy_graph
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mlange-42/easy_graph" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmlange-42%2Feasy_graph", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmlange-42%2Feasy_graph'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0afe3c0808690ff12c309ae0ef34e4c16258ef5c
[INFO] testing mlange-42/easy_graph against master#1ef7943ee607160a564655b6596f83670ef95df5 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmlange-42%2Feasy_graph" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mlange-42/easy_graph
[INFO] finished tweaking git repo https://github.com/mlange-42/easy_graph
[INFO] tweaked toml for git repo https://github.com/mlange-42/easy_graph written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mlange-42/easy_graph on toolchain 1ef7943ee607160a564655b6596f83670ef95df5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mlange-42/easy_graph already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition
[INFO] [stderr] (in the `plotters` dependency)
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-attributes v0.1.7
[INFO] [stderr]   Downloaded paste v0.1.7
[INFO] [stderr]   Downloaded paste-impl v0.1.7
[INFO] [stderr]   Downloaded bit-set v0.5.1
[INFO] [stderr]   Downloaded bit-vec v0.5.1
[INFO] [stderr]   Downloaded tracing v0.1.13
[INFO] [stderr]   Downloaded shrinkwraprs v0.2.3
[INFO] [stderr]   Downloaded bumpalo v3.2.0
[INFO] [stderr]   Downloaded legion v0.2.1
[INFO] [stderr]   Downloaded syn v1.0.16
[INFO] [stderr]   Downloaded libc v0.2.67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4928cea7134130095e8d8d93c0da2da13e4aad35a70b24a6a4d6ebb83b439127
[INFO] running `Command { std: "docker" "start" "-a" "4928cea7134130095e8d8d93c0da2da13e4aad35a70b24a6a4d6ebb83b439127", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4928cea7134130095e8d8d93c0da2da13e4aad35a70b24a6a4d6ebb83b439127", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4928cea7134130095e8d8d93c0da2da13e4aad35a70b24a6a4d6ebb83b439127", kill_on_drop: false }`
[INFO] [stdout] 4928cea7134130095e8d8d93c0da2da13e4aad35a70b24a6a4d6ebb83b439127
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30c1b3326346759699fee99735462476c2c6078206716aa7463d2e228129e865
[INFO] running `Command { std: "docker" "start" "-a" "30c1b3326346759699fee99735462476c2c6078206716aa7463d2e228129e865", kill_on_drop: false }`
[INFO] [stderr] warning: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition
[INFO] [stderr] (in the `plotters` dependency)
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.9
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling euclid v0.20.7
[INFO] [stderr]    Compiling wayland-sys v0.24.1
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling deflate v0.8.3
[INFO] [stderr]    Compiling miniz_oxide v0.3.6
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling bytemuck v1.2.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling png v0.16.1
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling rusttype v0.8.2
[INFO] [stderr]    Compiling tiff v0.4.0
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling minifb v0.15.3
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling wayland-scanner v0.24.1
[INFO] [stderr]    Compiling lyon_geom v0.14.1
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling freetype v0.4.1
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling servo-fontconfig v0.4.0
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling lyon_path v0.14.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling font-kit v0.4.0
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling plotters v0.2.12
[INFO] [stderr]    Compiling wayland-client v0.24.1
[INFO] [stderr]    Compiling wayland-protocols v0.24.1
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling wayland-commons v0.24.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.18
[INFO] [stderr]    Compiling image v0.23.2
[INFO] [stderr]    Compiling easy_graph v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/geom/grid.rs:122:17
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn iter(&self) -> Iter<T> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/geom/grid.rs:127:21
[INFO] [stdout]     |
[INFO] [stdout] 127 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stdout]     |                     ^^^^^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 127 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.15s
[INFO] running `Command { std: "docker" "inspect" "30c1b3326346759699fee99735462476c2c6078206716aa7463d2e228129e865", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30c1b3326346759699fee99735462476c2c6078206716aa7463d2e228129e865", kill_on_drop: false }`
[INFO] [stdout] 30c1b3326346759699fee99735462476c2c6078206716aa7463d2e228129e865
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d29cd053bd045f6d598afceac457bb4517a76ecf63bf4b8e4c9f06156f4f6ad
[INFO] running `Command { std: "docker" "start" "-a" "0d29cd053bd045f6d598afceac457bb4517a76ecf63bf4b8e4c9f06156f4f6ad", kill_on_drop: false }`
[INFO] [stderr] warning: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition
[INFO] [stderr] (in the `plotters` dependency)
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling lock_api v0.3.3
[INFO] [stderr]    Compiling tracing-core v0.1.10
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling derivative v1.0.4
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/geom/grid.rs:122:17
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn iter(&self) -> Iter<T> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/geom/grid.rs:127:21
[INFO] [stdout]     |
[INFO] [stdout] 127 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stdout]     |                     ^^^^^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 127 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling bit-set v0.5.1
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling tracing-attributes v0.1.7
[INFO] [stderr]    Compiling shrinkwraprs v0.2.3
[INFO] [stderr]    Compiling paste-impl v0.1.7
[INFO] [stderr]    Compiling tracing v0.1.13
[INFO] [stderr]    Compiling paste v0.1.7
[INFO] [stderr]    Compiling legion v0.2.1
[INFO] [stderr]    Compiling easy_graph v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/chart_example.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let mut epi = grid.get_mut(size / 2, size / 2);
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/geom/grid.rs:122:17
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn iter(&self) -> Iter<T> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/geom/grid.rs:127:21
[INFO] [stdout]     |
[INFO] [stdout] 127 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stdout]     |                     ^^^^^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 127 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 15.10s
[INFO] running `Command { std: "docker" "inspect" "0d29cd053bd045f6d598afceac457bb4517a76ecf63bf4b8e4c9f06156f4f6ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d29cd053bd045f6d598afceac457bb4517a76ecf63bf4b8e4c9f06156f4f6ad", kill_on_drop: false }`
[INFO] [stdout] 0d29cd053bd045f6d598afceac457bb4517a76ecf63bf4b8e4c9f06156f4f6ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 928180c3595826b65c5d4d5d8b7c6d6c412cd2ae46701843d2a804910240f541
[INFO] running `Command { std: "docker" "start" "-a" "928180c3595826b65c5d4d5d8b7c6d6c412cd2ae46701843d2a804910240f541", kill_on_drop: false }`
[INFO] [stderr] warning: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition
[INFO] [stderr] (in the `plotters` dependency)
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/geom/grid.rs:122:17
[INFO] [stderr]     |
[INFO] [stderr] 122 |     pub fn iter(&self) -> Iter<T> {
[INFO] [stderr]     |                 ^^^^^     ^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 122 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stderr]     |                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/geom/grid.rs:127:21
[INFO] [stderr]     |
[INFO] [stderr] 127 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stderr]     |                     ^^^^^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 127 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stderr]     |                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: `easy_graph` (lib) generated 2 warnings (run `cargo fix --lib -p easy_graph` to apply 2 suggestions)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/chart_example.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let mut epi = grid.get_mut(size / 2, size / 2);
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `easy_graph` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr] warning: `easy_graph` (example "chart_example") generated 1 warning (run `cargo fix --example "chart_example" -p easy_graph` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.75s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/easy_graph-ba11735a9b7138d9)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test color::test::color_map_test ... ok
[INFO] [stdout] test geom::grid::tests::contains ... ok
[INFO] [stdout] test geom::grid::tests::create_grid ... ok
[INFO] [stdout] test geom::grid::tests::fill ... ok
[INFO] [stdout] test geom::grid::tests::set_value ... ok
[INFO] [stderr] 
[INFO] [stderr] thread 'ui::window::test::buffer_test' (32) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/x11-dl-2.18.5/src/xlib.rs:41:1:
[INFO] [stderr] null pointer dereference occurred
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5ad801a03b02 - std::backtrace_rs::backtrace::libunwind::trace::h786de35fecf3582f
[INFO] [stderr]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]    1:     0x5ad801a03b02 - std::backtrace_rs::backtrace::trace_unsynchronized::h4a7da1a2a64387f1
[INFO] [stderr]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]    2:     0x5ad801a03b02 - std::sys::backtrace::_print_fmt::h6bd7d500070c788c
[INFO] [stderr]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]    3:     0x5ad801a03b02 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h6d82c1afff976903
[INFO] [stderr]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]    4:     0x5ad801a14eff - core::fmt::rt::Argument::fmt::hc4ce6d643d397690
[INFO] [stderr]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]    5:     0x5ad801a14eff - core::fmt::write::hb1e7ca88b6a3936e
[INFO] [stderr]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/fmt/mod.rs:1469:25
[INFO] [stderr]    6:     0x5ad8019d1333 - std::io::default_write_fmt::hd5a9ffaa98f14929
[INFO] [stderr]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/io/mod.rs:639:11
[INFO] [stderr]    7:     0x5ad8019d1333 - std::io::Write::write_fmt::hc04a1e5003ed78ae
[INFO] [stderr]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]    8:     0x5ad8019dcfa2 - std::sys::backtrace::BacktraceLock::print::ha2430613ee79d059
[INFO] [stderr]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]    9:     0x5ad8019e1d3f - std::panicking::default_hook::{{closure}}::hdbd2db9e5c303cf6
[INFO] [stderr]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:301:27
[INFO] [stderr]   10:     0x5ad8019e1b99 - std::panicking::default_hook::hed93c70cba5fdcf0
[INFO] [stderr]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:328:9
[INFO] [stderr]   11:     0x5ad801936eae - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd0ee8b569efc6a07
[INFO] [stderr]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/alloc/src/boxed.rs:2099:9
[INFO] [stderr]   12:     0x5ad801936eae - test::test_main_with_exit_callback::{{closure}}::hf10864b576ecd15d
[INFO] [stderr]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:145:21
[INFO] [stderr]   13:     0x5ad8019e234f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h3a55ca34534c0d00
[INFO] [stderr]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/alloc/src/boxed.rs:2099:9
[INFO] [stderr]   14:     0x5ad8019e234f - std::panicking::panic_with_hook::h3862d766c2cec19b
[INFO] [stderr]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:842:13
[INFO] [stderr]   15:     0x5ad8019e2176 - std::panicking::panic_handler::{{closure}}::hb95eb402b5e28ee1
[INFO] [stderr]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:700:13
[INFO] [stderr]   16:     0x5ad8019dd0e9 - std::sys::backtrace::__rust_end_short_backtrace::hf73a26dc1835d85a
[INFO] [stderr]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]   17:     0x5ad8019c58ad - __rustc[6ed5915ee467787]::rust_begin_unwind
[INFO] [stderr]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:698:5
[INFO] [stderr]   18:     0x5ad801a1cb8d - core::panicking::panic_nounwind_fmt::runtime::hfa05cfe792208e7b
[INFO] [stderr]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panicking.rs:122:22
[INFO] [stderr]   19:     0x5ad801a1cb8d - core::panicking::panic_nounwind_fmt::h05a292a1d694c9f8
[INFO] [stderr]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/intrinsics/mod.rs:2439:9
[INFO] [stderr]   20:     0x5ad801a1cd6d - core::panicking::panic_null_pointer_dereference::h3aa4b2e4baf07325
[INFO] [stderr]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panicking.rs:307:5
[INFO] [stderr]   21:     0x5ad801984d3e - <x11_dl::xlib::Xlib::init::SYMS as core::ops::deref::Deref>::deref::__static_ref_initialize::hec837546f0ffedf2
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/x11-dl-2.18.5/src/link.rs:42:38
[INFO] [stderr]   22:     0x5ad801984d3e - core::ops::function::FnOnce::call_once::heaccb98eb9a02c8a
[INFO] [stderr]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   23:     0x5ad801985343 - lazy_static::lazy::Lazy<T>::get::{{closure}}::h3db0e14a09fdd2c1
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/lazy_static-1.4.0/src/inline_lazy.rs:31:29
[INFO] [stderr]   24:     0x5ad80198528e - std::sync::once::Once::call_once::{{closure}}::h5ed067cca802928c
[INFO] [stderr]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sync/once.rs:158:41
[INFO] [stderr]   25:     0x5ad8019d7727 - std::sys::sync::once::futex::Once::call::hdfb110d980a21994
[INFO] [stderr]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/sync/once/futex.rs:178:21
[INFO] [stderr]   26:     0x5ad801985137 - std::sync::once::Once::call_once::hd76cec2bc6378889
[INFO] [stderr]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sync/once.rs:158:20
[INFO] [stderr]   27:     0x5ad80198a713 - lazy_static::lazy::Lazy<T>::get::h3f2fec1d844955f7
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/lazy_static-1.4.0/src/inline_lazy.rs:30:16
[INFO] [stderr]   28:     0x5ad80198a713 - <x11_dl::xlib::Xlib::init::SYMS as core::ops::deref::Deref>::deref::__stability::hdc4a5c7317f957d7
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/lazy_static-1.4.0/src/lib.rs:142:26
[INFO] [stderr]   29:     0x5ad80198a713 - <x11_dl::xlib::Xlib::init::SYMS as core::ops::deref::Deref>::deref::h9d5f905592cea9e5
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/lazy_static-1.4.0/src/lib.rs:144:17
[INFO] [stderr]   30:     0x5ad80198a093 - x11_dl::xlib::Xlib::init::h23236e0dca85fe8d
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/x11-dl-2.18.5/src/link.rs:48:36
[INFO] [stderr]   31:     0x5ad80198a546 - x11_dl::xlib::Xlib::open::h9591af11468e7061
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/x11-dl-2.18.5/src/link.rs:61:16
[INFO] [stderr]   32:     0x5ad80197d61d - minifb::os::unix::x11::DisplayInfo::setup::hc68acda2a60474c5
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/minifb-0.15.3/src/os/unix/x11.rs:105:23
[INFO] [stderr]   33:     0x5ad80197d34c - minifb::os::unix::x11::DisplayInfo::new::h5c7885a0cb939da5
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/minifb-0.15.3/src/os/unix/x11.rs:93:27
[INFO] [stderr]   34:     0x5ad80197fcf8 - minifb::os::unix::x11::Window::new::he918b78d8b326b43
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/minifb-0.15.3/src/os/unix/x11.rs:308:21
[INFO] [stderr]   35:     0x5ad801980df8 - minifb::os::unix::Window::new::h0a916e82b91acb36
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/minifb-0.15.3/src/os/unix/mod.rs:33:34
[INFO] [stderr]   36:     0x5ad8019837f5 - minifb::Window::new::h67969fdcf9fa92c9
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/minifb-0.15.3/src/lib.rs:221:9
[INFO] [stderr]   37:     0x5ad8018e32a6 - easy_graph::ui::window::BufferWindow::new::h353e29b262f8b17f
[INFO] [stderr]                                at /opt/rustwide/workdir/src/ui/window.rs:171:26
[INFO] [stderr]   38:     0x5ad8018e3c35 - easy_graph::ui::window::test::buffer_test::h1150dcf0bbfcd0e6
[INFO] [stderr]                                at /opt/rustwide/workdir/src/ui/window.rs:327:23
[INFO] [stderr]   39:     0x5ad8018e3fa7 - easy_graph::ui::window::test::buffer_test::{{closure}}::hd0859eef9908697f
[INFO] [stderr]                                at /opt/rustwide/workdir/src/ui/window.rs:326:21
[INFO] [stderr]   40:     0x5ad8018fc2e6 - core::ops::function::FnOnce::call_once::he4d5615c20ec69ea
[INFO] [stderr]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   41:     0x5ad801936c8b - core::ops::function::FnOnce::call_once::ha729ee35d2fab541
[INFO] [stderr]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   42:     0x5ad801936c8b - test::__rust_begin_short_backtrace::ha40f4db8207e1111
[INFO] [stderr]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:663:18
[INFO] [stderr]   43:     0x5ad80194ad0d - test::run_test_in_process::{{closure}}::hc1b77cda5d44f0f3
[INFO] [stderr]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:686:74
[INFO] [stderr]   44:     0x5ad80194ad0d - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h1dbea1de64785521
[INFO] [stderr]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stderr]   45:     0x5ad80194ad0d - std::panicking::catch_unwind::do_call::hd5febe9affd5a1b3
[INFO] [stderr]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:590:40
[INFO] [stderr]   46:     0x5ad80194ad0d - std::panicking::catch_unwind::h51ea89627559b6f4
[INFO] [stderr]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:553:19
[INFO] [stderr]   47:     0x5ad80194ad0d - std::panic::catch_unwind::hb8b8c2367cae3d66
[INFO] [stderr]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panic.rs:359:14
[INFO] [stderr]   48:     0x5ad80194ad0d - test::run_test_in_process::ha5b55801407ea100
[INFO] [stderr]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:686:27
[INFO] [stderr]   49:     0x5ad80194ad0d - test::run_test::{{closure}}::h0b9d4072b527abf5
[INFO] [stderr]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:607:43
[INFO] [stderr]   50:     0x5ad801924224 - test::run_test::{{closure}}::hb1056b5731205822
[INFO] [stderr]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:637:41
[INFO] [stderr]   51:     0x5ad801924224 - std::sys::backtrace::__rust_begin_short_backtrace::hb61ff5a34023c7ef
[INFO] [stderr]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:158:18
[INFO] [stderr]   52:     0x5ad801927b5a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hb0a83c0e8b353cff
[INFO] [stderr]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/thread/mod.rs:562:17
[INFO] [stderr]   53:     0x5ad801927b5a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb4f32cb008535298
[INFO] [stderr]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stderr]   54:     0x5ad801927b5a - std::panicking::catch_unwind::do_call::h16d110e4fc35789a
[INFO] [stderr]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:590:40
[INFO] [stderr]   55:     0x5ad801927b5a - std::panicking::catch_unwind::hea9118f355699c4b
[INFO] [stderr]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:553:19
[INFO] [stderr]   56:     0x5ad801927b5a - std::panic::catch_unwind::hf4b3c2a06d3f42f5
[INFO] [stderr]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panic.rs:359:14
[INFO] [stderr]   57:     0x5ad801927b5a - std::thread::Builder::spawn_unchecked_::{{closure}}::h3f4cb733a52d53d5
[INFO] [stderr]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/thread/mod.rs:560:30
[INFO] [stderr]   58:     0x5ad801927b5a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h4052f0967b37caeb
[INFO] [stderr]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   59:     0x5ad8019d84df - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7ec433abd3f148b4
[INFO] [stderr]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/alloc/src/boxed.rs:2085:9
[INFO] [stderr]   60:     0x5ad8019d84df - std::sys::thread::unix::Thread::new::thread_start::he514622d3d7ba65c
[INFO] [stderr]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/thread/unix.rs:124:17
[INFO] [stderr]   61:     0x7f6039fceaa4 - <unknown>
[INFO] [stderr]   62:     0x7f603a05ba64 - clone
[INFO] [stderr]   63:                0x0 - <unknown>
[INFO] [stderr] thread caused non-unwinding panic. aborting.
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/easy_graph-ba11735a9b7138d9` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "928180c3595826b65c5d4d5d8b7c6d6c412cd2ae46701843d2a804910240f541", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "928180c3595826b65c5d4d5d8b7c6d6c412cd2ae46701843d2a804910240f541", kill_on_drop: false }`
[INFO] [stdout] 928180c3595826b65c5d4d5d8b7c6d6c412cd2ae46701843d2a804910240f541
