[INFO] fetching crate prty_bitgraph 0.1.1...
[INFO] checking prty_bitgraph-0.1.1 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate prty_bitgraph 0.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate prty_bitgraph 0.1.1 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prty_bitgraph 0.1.1
[INFO] finished tweaking crates.io crate prty_bitgraph 0.1.1
[INFO] tweaked toml for crates.io crate prty_bitgraph 0.1.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prty_fmtmodifier v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 412e8ee3a4a9a36e1384d59e23fb05765c9ce070fd5e88b9464c584f668966a8
[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" "412e8ee3a4a9a36e1384d59e23fb05765c9ce070fd5e88b9464c584f668966a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "412e8ee3a4a9a36e1384d59e23fb05765c9ce070fd5e88b9464c584f668966a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "412e8ee3a4a9a36e1384d59e23fb05765c9ce070fd5e88b9464c584f668966a8", kill_on_drop: false }`
[INFO] [stdout] 412e8ee3a4a9a36e1384d59e23fb05765c9ce070fd5e88b9464c584f668966a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3d6c5fce6130a7f82bd6dab93e03884c344b5b9e9f909e5209f6622a5e03cce6
[INFO] running `Command { std: "docker" "start" "-a" "3d6c5fce6130a7f82bd6dab93e03884c344b5b9e9f909e5209f6622a5e03cce6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking prty_fmtmodifier v0.1.1
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking prty_bitgraph v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/graph/bitgraph.rs:20:28
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn nodes(&self) -> Box<Iterator<Item = Self::Node>> {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Self::Node>`
[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/graph/bitgraph.rs:31:65
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn dependents_mut<'a>(&'a mut self, node: usize) -> Box<'a + Iterator<Item = (usize, &'a mut bool)>> {
[INFO] [stdout]    |                                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a + Iterator<Item = (usize, &'a mut bool)>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/graph/sparsegraph.rs:29:28
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn nodes(&self) -> Box<Iterator<Item = Self::Node>> {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Self::Node>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/graph/sparsegraph.rs:66:57
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn iter_from<'a>(&'a self, from: Self::Node) -> Box<'a + Iterator<Item = Self::Node>> {
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a + Iterator<Item = Self::Node>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/graph/sparsegraph.rs:69:53
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn iter_to<'a>(&'a self, to: Self::Node) -> Box<'a + Iterator<Item = Self::Node>> {
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a + Iterator<Item = Self::Node>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/graph/sparsegraph.rs:78:87
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn drain_from_and_clear_all_to_drained<'a>(&'a mut self, from: Self::Node) -> Box<'a + Iterator<Item = Self::Node>> {
[INFO] [stdout]    |                                                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a + Iterator<Item = Self::Node>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/graph/transform.rs:33:28
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn nodes(&self) -> Box<Iterator<Item = Self::Node>> {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Self::Node>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/graph/transform.rs:63:57
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn iter_from<'a>(&'a self, from: Self::Node) -> Box<'a + Iterator<Item = Self::Node>> {
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a + Iterator<Item = Self::Node>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/graph/transform.rs:67:53
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn iter_to<'a>(&'a self, to: Self::Node) -> Box<'a + Iterator<Item = Self::Node>> {
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a + Iterator<Item = Self::Node>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/graph/transform.rs:79:14
[INFO] [stdout]    |
[INFO] [stdout] 79 |     ) -> Box<'a + Iterator<Item = Self::Node>> {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a + Iterator<Item = Self::Node>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/graph/transform.rs:105:28
[INFO] [stdout]     |
[INFO] [stdout] 105 |     fn nodes(&self) -> Box<Iterator<Item = Self::Node>> {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Self::Node>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/graph/transform.rs:133:57
[INFO] [stdout]     |
[INFO] [stdout] 133 |     fn iter_from<'a>(&'a self, from: Self::Node) -> Box<'a + Iterator<Item = Self::Node>> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a + Iterator<Item = Self::Node>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/graph/transform.rs:136:53
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn iter_to<'a>(&'a self, to: Self::Node) -> Box<'a + Iterator<Item = Self::Node>> {
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a + Iterator<Item = Self::Node>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/graph/mod.rs:10:28
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn nodes(&self) -> Box<Iterator<Item = Self::Node>>;
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Self::Node>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/graph/mod.rs:55:57
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn iter_from<'a>(&'a self, from: Self::Node) -> Box<'a + Iterator<Item = Self::Node>> {
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a + Iterator<Item = Self::Node>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/graph/mod.rs:58:53
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn iter_to<'a>(&'a self, to: Self::Node) -> Box<'a + Iterator<Item = Self::Node>> {
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a + Iterator<Item = Self::Node>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/graph/mod.rs:67:67
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn iter_from_drain<'a>(&'a mut self, from: Self::Node) -> Box<'a + Iterator<Item = Self::Node>> {
[INFO] [stdout]    |                                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a + Iterator<Item = Self::Node>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/graph/mod.rs:74:87
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn drain_from_and_clear_all_to_drained<'a>(&'a mut self, from: Self::Node) -> Box<'a + Iterator<Item = Self::Node>> {
[INFO] [stdout]    |                                                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a + Iterator<Item = Self::Node>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/graph/bitgraph.rs:20:28
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn nodes(&self) -> Box<Iterator<Item = Self::Node>> {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Self::Node>`
[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/graph/bitgraph.rs:31:65
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn dependents_mut<'a>(&'a mut self, node: usize) -> Box<'a + Iterator<Item = (usize, &'a mut bool)>> {
[INFO] [stdout]    |                                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a + Iterator<Item = (usize, &'a mut bool)>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/graph/sparsegraph.rs:29:28
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn nodes(&self) -> Box<Iterator<Item = Self::Node>> {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Self::Node>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/graph/sparsegraph.rs:66:57
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn iter_from<'a>(&'a self, from: Self::Node) -> Box<'a + Iterator<Item = Self::Node>> {
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a + Iterator<Item = Self::Node>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/graph/sparsegraph.rs:69:53
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn iter_to<'a>(&'a self, to: Self::Node) -> Box<'a + Iterator<Item = Self::Node>> {
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a + Iterator<Item = Self::Node>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/graph/sparsegraph.rs:78:87
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn drain_from_and_clear_all_to_drained<'a>(&'a mut self, from: Self::Node) -> Box<'a + Iterator<Item = Self::Node>> {
[INFO] [stdout]    |                                                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a + Iterator<Item = Self::Node>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/graph/transform.rs:33:28
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn nodes(&self) -> Box<Iterator<Item = Self::Node>> {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Self::Node>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/graph/transform.rs:63:57
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn iter_from<'a>(&'a self, from: Self::Node) -> Box<'a + Iterator<Item = Self::Node>> {
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a + Iterator<Item = Self::Node>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/graph/transform.rs:67:53
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn iter_to<'a>(&'a self, to: Self::Node) -> Box<'a + Iterator<Item = Self::Node>> {
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a + Iterator<Item = Self::Node>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/graph/transform.rs:79:14
[INFO] [stdout]    |
[INFO] [stdout] 79 |     ) -> Box<'a + Iterator<Item = Self::Node>> {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a + Iterator<Item = Self::Node>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/graph/transform.rs:105:28
[INFO] [stdout]     |
[INFO] [stdout] 105 |     fn nodes(&self) -> Box<Iterator<Item = Self::Node>> {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Self::Node>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/graph/transform.rs:133:57
[INFO] [stdout]     |
[INFO] [stdout] 133 |     fn iter_from<'a>(&'a self, from: Self::Node) -> Box<'a + Iterator<Item = Self::Node>> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a + Iterator<Item = Self::Node>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/graph/transform.rs:136:53
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn iter_to<'a>(&'a self, to: Self::Node) -> Box<'a + Iterator<Item = Self::Node>> {
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a + Iterator<Item = Self::Node>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/graph/mod.rs:10:28
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn nodes(&self) -> Box<Iterator<Item = Self::Node>>;
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Self::Node>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/graph/mod.rs:55:57
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn iter_from<'a>(&'a self, from: Self::Node) -> Box<'a + Iterator<Item = Self::Node>> {
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a + Iterator<Item = Self::Node>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/graph/mod.rs:58:53
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn iter_to<'a>(&'a self, to: Self::Node) -> Box<'a + Iterator<Item = Self::Node>> {
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a + Iterator<Item = Self::Node>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/graph/mod.rs:67:67
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn iter_from_drain<'a>(&'a mut self, from: Self::Node) -> Box<'a + Iterator<Item = Self::Node>> {
[INFO] [stdout]    |                                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a + Iterator<Item = Self::Node>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/graph/mod.rs:74:87
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn drain_from_and_clear_all_to_drained<'a>(&'a mut self, from: Self::Node) -> Box<'a + Iterator<Item = Self::Node>> {
[INFO] [stdout]    |                                                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a + Iterator<Item = Self::Node>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `vec_remove_item`
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(vec_remove_item)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `prty_bitgraph`
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0635]: unknown feature `vec_remove_item`
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(vec_remove_item)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3d6c5fce6130a7f82bd6dab93e03884c344b5b9e9f909e5209f6622a5e03cce6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d6c5fce6130a7f82bd6dab93e03884c344b5b9e9f909e5209f6622a5e03cce6", kill_on_drop: false }`
[INFO] [stdout] 3d6c5fce6130a7f82bd6dab93e03884c344b5b9e9f909e5209f6622a5e03cce6