[INFO] fetching crate pathtracer 0.6.5...
[INFO] checking pathtracer-0.6.5 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] extracting crate pathtracer 0.6.5 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate pathtracer 0.6.5 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pathtracer 0.6.5
[INFO] finished tweaking crates.io crate pathtracer 0.6.5
[INFO] tweaked toml for crates.io crate pathtracer 0.6.5 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate pathtracer 0.6.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pythagoras v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 156b555a0540f1b28230ca5e1c1edf26e6e654cc5c6fc098892319651cd47ea8
[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" "156b555a0540f1b28230ca5e1c1edf26e6e654cc5c6fc098892319651cd47ea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "156b555a0540f1b28230ca5e1c1edf26e6e654cc5c6fc098892319651cd47ea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "156b555a0540f1b28230ca5e1c1edf26e6e654cc5c6fc098892319651cd47ea8", kill_on_drop: false }`
[INFO] [stdout] 156b555a0540f1b28230ca5e1c1edf26e6e654cc5c6fc098892319651cd47ea8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ccecf4982d1dd5de9ca32332d759f46873e34d39d91b84b14310da3762d1761
[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" "3ccecf4982d1dd5de9ca32332d759f46873e34d39d91b84b14310da3762d1761", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking pythagoras v0.1.1
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking png v0.14.1
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking image v0.21.3
[INFO] [stderr]     Checking pathtracer v0.6.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/coordinate/mod.rs:19:48
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn from_list<T>(list: &[(i16, i16)], get: &Fn(Coordinate, usize) -> T) -> Vec<T> {
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Coordinate, usize) -> T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/coordinate/mod.rs:56:56
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub fn calc(start: Coordinate, variable: usize, call: &Fn(usize) -> Coordinate) -> Coordinate {
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> Coordinate`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/data/mod.rs:20:25
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub lambda_tag: &'a Fn(&str) -> bool,
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/data/mod.rs:27:42
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn convert_file(path: &str, lambda: &Fn(&str) -> bool) -> Result<Vec<Group>, io::Error> {
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/data/mod.rs:46:40
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub fn convert(content: &str, lambda: &Fn(&str) -> bool) -> Vec<Group> {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/data/mod.rs:59:25
[INFO] [stdout]    |
[INFO] [stdout] 59 |         lambda_tag: &'a Fn(&str) -> bool,
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/map/gif.rs:15:20
[INFO] [stdout]    |
[INFO] [stdout] 15 |     predicate: &'a Fn(&T) -> T,
[INFO] [stdout]    |                    ^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T) -> T`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/map/gif.rs:19:58
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn new(interval: u8, map: Vec<T>, predicate: &'a Fn(&T) -> T) -> Self {
[INFO] [stdout]    |                                                          ^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T) -> T`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/map/gif.rs:101:24
[INFO] [stdout]     |
[INFO] [stdout] 101 |         predicate: &'a Fn(&Node) -> Node,
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Node) -> Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/map/network.rs:30:17
[INFO] [stdout]    |
[INFO] [stdout] 30 |     algorithm: &Fn(&Network<Node>, Node, Node) -> io::Result<Vec<Node>>,
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Network<Node>, Node, Node) -> io::Result<Vec<Node>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/map/mod.rs:19:46
[INFO] [stdout]    |
[INFO] [stdout] 19 | ) -> (image::ImageBuffer<Rgba<u8>, Vec<u8>>, (Coordinate)) {
[INFO] [stdout]    |                                              ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/tools/mod.rs:190:17
[INFO] [stdout]     |
[INFO] [stdout] 190 |     plot_kind: &Fn(Coordinate, Coordinate) -> Vec<Coordinate>,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Coordinate, Coordinate) -> Vec<Coordinate>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:838:13
[INFO] [stdout]     |
[INFO] [stdout] 838 |         f: &Fn(Coordinate, Coordinate) -> bool,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Coordinate, Coordinate) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1224:35
[INFO] [stdout]      |
[INFO] [stdout] 1224 |     pub fn each(&mut self, func: &Fn(&mut Node)) {
[INFO] [stdout]      |                                   ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Node)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1245:30
[INFO] [stdout]      |
[INFO] [stdout] 1245 |     pub fn all(&self, func: &Fn(&Node) -> bool) -> bool {
[INFO] [stdout]      |                              ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Node) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1269:30
[INFO] [stdout]      |
[INFO] [stdout] 1269 |     pub fn any(&self, func: &Fn(&Node) -> bool) -> bool {
[INFO] [stdout]      |                              ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Node) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1301:40
[INFO] [stdout]      |
[INFO] [stdout] 1301 |     pub fn node_plot(&mut self, calc: &Fn(usize) -> Coordinate) {
[INFO] [stdout]      |                                        ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> Coordinate`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1536:18
[INFO] [stdout]      |
[INFO] [stdout] 1536 |         filter: &Fn(&T) -> bool,
[INFO] [stdout]      |                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1569:18
[INFO] [stdout]      |
[INFO] [stdout] 1569 |         filter: &Fn(&T) -> bool,
[INFO] [stdout]      |                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/coordinate/mod.rs:19:48
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn from_list<T>(list: &[(i16, i16)], get: &Fn(Coordinate, usize) -> T) -> Vec<T> {
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Coordinate, usize) -> T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/coordinate/mod.rs:56:56
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub fn calc(start: Coordinate, variable: usize, call: &Fn(usize) -> Coordinate) -> Coordinate {
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> Coordinate`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/data/mod.rs:20:25
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub lambda_tag: &'a Fn(&str) -> bool,
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/data/mod.rs:27:42
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn convert_file(path: &str, lambda: &Fn(&str) -> bool) -> Result<Vec<Group>, io::Error> {
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/data/mod.rs:46:40
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub fn convert(content: &str, lambda: &Fn(&str) -> bool) -> Vec<Group> {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/data/mod.rs:59:25
[INFO] [stdout]    |
[INFO] [stdout] 59 |         lambda_tag: &'a Fn(&str) -> bool,
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/map/gif.rs:15:20
[INFO] [stdout]    |
[INFO] [stdout] 15 |     predicate: &'a Fn(&T) -> T,
[INFO] [stdout]    |                    ^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T) -> T`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/map/gif.rs:19:58
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn new(interval: u8, map: Vec<T>, predicate: &'a Fn(&T) -> T) -> Self {
[INFO] [stdout]    |                                                          ^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T) -> T`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/map/gif.rs:101:24
[INFO] [stdout]     |
[INFO] [stdout] 101 |         predicate: &'a Fn(&Node) -> Node,
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Node) -> Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/map/gif.rs:181:22
[INFO] [stdout]     |
[INFO] [stdout] 181 |     fn define(case: &Fn(Gif) -> std::io::Result<()>) {
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Gif) -> std::io::Result<()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/map/network.rs:30:17
[INFO] [stdout]    |
[INFO] [stdout] 30 |     algorithm: &Fn(&Network<Node>, Node, Node) -> io::Result<Vec<Node>>,
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Network<Node>, Node, Node) -> io::Result<Vec<Node>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/map/mod.rs:19:46
[INFO] [stdout]    |
[INFO] [stdout] 19 | ) -> (image::ImageBuffer<Rgba<u8>, Vec<u8>>, (Coordinate)) {
[INFO] [stdout]    |                                              ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/tools/mod.rs:190:17
[INFO] [stdout]     |
[INFO] [stdout] 190 |     plot_kind: &Fn(Coordinate, Coordinate) -> Vec<Coordinate>,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Coordinate, Coordinate) -> Vec<Coordinate>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:838:13
[INFO] [stdout]     |
[INFO] [stdout] 838 |         f: &Fn(Coordinate, Coordinate) -> bool,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Coordinate, Coordinate) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1224:35
[INFO] [stdout]      |
[INFO] [stdout] 1224 |     pub fn each(&mut self, func: &Fn(&mut Node)) {
[INFO] [stdout]      |                                   ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Node)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1245:30
[INFO] [stdout]      |
[INFO] [stdout] 1245 |     pub fn all(&self, func: &Fn(&Node) -> bool) -> bool {
[INFO] [stdout]      |                              ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Node) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1269:30
[INFO] [stdout]      |
[INFO] [stdout] 1269 |     pub fn any(&self, func: &Fn(&Node) -> bool) -> bool {
[INFO] [stdout]      |                              ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Node) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1301:40
[INFO] [stdout]      |
[INFO] [stdout] 1301 |     pub fn node_plot(&mut self, calc: &Fn(usize) -> Coordinate) {
[INFO] [stdout]      |                                        ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> Coordinate`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1536:18
[INFO] [stdout]      |
[INFO] [stdout] 1536 |         filter: &Fn(&T) -> bool,
[INFO] [stdout]      |                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1569:18
[INFO] [stdout]      |
[INFO] [stdout] 1569 |         filter: &Fn(&T) -> bool,
[INFO] [stdout]      |                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/tests/mod.rs:128:25
[INFO] [stdout]     |
[INFO] [stdout] 128 |                         format!("expected {}, got {}", i, a.get_link_avail_index())
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 128 |                         "expected {}, got {}", i, a.get_link_avail_index()
[INFO] [stdout]     |                        --                                                --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.22s
[INFO] running `Command { std: "docker" "inspect" "3ccecf4982d1dd5de9ca32332d759f46873e34d39d91b84b14310da3762d1761", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ccecf4982d1dd5de9ca32332d759f46873e34d39d91b84b14310da3762d1761", kill_on_drop: false }`
[INFO] [stdout] 3ccecf4982d1dd5de9ca32332d759f46873e34d39d91b84b14310da3762d1761