[INFO] crate railroad 0.1.1 is already in cache
[INFO] checking railroad-0.1.1 against master#339f574809bf8e4166b8de3cdbe7df181d37af3d for pr-71896
[INFO] extracting crate railroad 0.1.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate railroad 0.1.1 on toolchain 339f574809bf8e4166b8de3cdbe7df181d37af3d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+339f574809bf8e4166b8de3cdbe7df181d37af3d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate railroad 0.1.1
[INFO] finished tweaking crates.io crate railroad 0.1.1
[INFO] tweaked toml for crates.io crate railroad 0.1.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+339f574809bf8e4166b8de3cdbe7df181d37af3d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+339f574809bf8e4166b8de3cdbe7df181d37af3d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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" "+339f574809bf8e4166b8de3cdbe7df181d37af3d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5e8c740d7bbeb850777abce2e40f91a9d844cafa6702b0b15657bae41496bc9c
[INFO] running `"docker" "start" "-a" "5e8c740d7bbeb850777abce2e40f91a9d844cafa6702b0b15657bae41496bc9c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking htmlescape v0.3.1
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking railroad v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/notactuallysvg.rs:234:56
[INFO] [stderr]     |
[INFO] [stderr] 234 |     pub fn debug(self, name: &str, x: i64, y: i64, n: &super::RailroadNode) -> Self {
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn super::RailroadNode`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:218:44
[INFO] [stderr]     |
[INFO] [stderr] 218 |     fn running_x<'a>(&'a self, i64) -> Box<Iterator<Item=(&'a Box<RailroadNode>, i64)> + 'a>;
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=(&'a Box<RailroadNode>, i64)> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:218:67
[INFO] [stderr]     |
[INFO] [stderr] 218 |     fn running_x<'a>(&'a self, i64) -> Box<Iterator<Item=(&'a Box<RailroadNode>, i64)> + 'a>;
[INFO] [stderr]     |                                                                   ^^^^^^^^^^^^ help: use `dyn`: `dyn RailroadNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:222:41
[INFO] [stderr]     |
[INFO] [stderr] 222 | impl RailroadNodeCollection for Vec<Box<RailroadNode>> {
[INFO] [stderr]     |                                         ^^^^^^^^^^^^ help: use `dyn`: `dyn RailroadNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:223:53
[INFO] [stderr]     |
[INFO] [stderr] 223 |     fn running_x<'a>(&'a self, spacing: i64) -> Box<Iterator<Item=(&'a Box<RailroadNode>, i64)> + 'a> {
[INFO] [stderr]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=(&'a Box<RailroadNode>, i64)> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:223:76
[INFO] [stderr]     |
[INFO] [stderr] 223 |     fn running_x<'a>(&'a self, spacing: i64) -> Box<Iterator<Item=(&'a Box<RailroadNode>, i64)> + 'a> {
[INFO] [stderr]     |                                                                            ^^^^^^^^^^^^ help: use `dyn`: `dyn RailroadNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:316:23
[INFO] [stderr]     |
[INFO] [stderr] 316 |     children: Vec<Box<RailroadNode>>,
[INFO] [stderr]     |                       ^^^^^^^^^^^^ help: use `dyn`: `dyn RailroadNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:322:34
[INFO] [stderr]     |
[INFO] [stderr] 322 |     pub fn new(children: Vec<Box<RailroadNode>>) -> Self {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^ help: use `dyn`: `dyn RailroadNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:329:39
[INFO] [stderr]     |
[INFO] [stderr] 329 |     pub fn push(&mut self, child: Box<RailroadNode>) -> &mut Self {
[INFO] [stderr]     |                                       ^^^^^^^^^^^^ help: use `dyn`: `dyn RailroadNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:334:40
[INFO] [stderr]     |
[INFO] [stderr] 334 |     pub fn into_inner(self) -> Vec<Box<RailroadNode>> {
[INFO] [stderr]     |                                        ^^^^^^^^^^^^ help: use `dyn`: `dyn RailroadNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:373:23
[INFO] [stderr]     |
[INFO] [stderr] 373 |     children: Vec<Box<RailroadNode>>,
[INFO] [stderr]     |                       ^^^^^^^^^^^^ help: use `dyn`: `dyn RailroadNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:379:34
[INFO] [stderr]     |
[INFO] [stderr] 379 |     pub fn new(children: Vec<Box<RailroadNode>>) -> Self {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^ help: use `dyn`: `dyn RailroadNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:386:39
[INFO] [stderr]     |
[INFO] [stderr] 386 |     pub fn push(&mut self, child: Box<RailroadNode>) -> &mut Self {
[INFO] [stderr]     |                                       ^^^^^^^^^^^^ help: use `dyn`: `dyn RailroadNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:391:40
[INFO] [stderr]     |
[INFO] [stderr] 391 |     pub fn into_inner(self) -> Vec<Box<RailroadNode>> {
[INFO] [stderr]     |                                        ^^^^^^^^^^^^ help: use `dyn`: `dyn RailroadNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:432:23
[INFO] [stderr]     |
[INFO] [stderr] 432 |     children: Vec<Box<RailroadNode>>,
[INFO] [stderr]     |                       ^^^^^^^^^^^^ help: use `dyn`: `dyn RailroadNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:437:34
[INFO] [stderr]     |
[INFO] [stderr] 437 |     pub fn new(children: Vec<Box<RailroadNode>>) -> Sequence {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^ help: use `dyn`: `dyn RailroadNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:441:39
[INFO] [stderr]     |
[INFO] [stderr] 441 |     pub fn push(&mut self, child: Box<RailroadNode>) -> &mut Self {
[INFO] [stderr]     |                                       ^^^^^^^^^^^^ help: use `dyn`: `dyn RailroadNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:446:40
[INFO] [stderr]     |
[INFO] [stderr] 446 |     pub fn into_inner(self) -> Vec<Box<RailroadNode>> {
[INFO] [stderr]     |                                        ^^^^^^^^^^^^ help: use `dyn`: `dyn RailroadNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:749:23
[INFO] [stderr]     |
[INFO] [stderr] 749 |     children: Vec<Box<RailroadNode>>,
[INFO] [stderr]     |                       ^^^^^^^^^^^^ help: use `dyn`: `dyn RailroadNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:757:34
[INFO] [stderr]     |
[INFO] [stderr] 757 |     pub fn new(children: Vec<Box<RailroadNode>>) -> Self {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^ help: use `dyn`: `dyn RailroadNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:769:40
[INFO] [stderr]     |
[INFO] [stderr] 769 |     pub fn into_inner(self) -> Vec<Box<RailroadNode>> {
[INFO] [stderr]     |                                        ^^^^^^^^^^^^ help: use `dyn`: `dyn RailroadNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:778:37
[INFO] [stderr]     |
[INFO] [stderr] 778 |     fn padded_height(&self, child: &RailroadNode, next_child: &RailroadNode) -> i64 {
[INFO] [stderr]     |                                     ^^^^^^^^^^^^ help: use `dyn`: `dyn RailroadNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:778:64
[INFO] [stderr]     |
[INFO] [stderr] 778 |     fn padded_height(&self, child: &RailroadNode, next_child: &RailroadNode) -> i64 {
[INFO] [stderr]     |                                                                ^^^^^^^^^^^^ help: use `dyn`: `dyn RailroadNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:880:23
[INFO] [stderr]     |
[INFO] [stderr] 880 |     children: Vec<Box<RailroadNode>>,
[INFO] [stderr]     |                       ^^^^^^^^^^^^ help: use `dyn`: `dyn RailroadNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:886:34
[INFO] [stderr]     |
[INFO] [stderr] 886 |     pub fn new(children: Vec<Box<RailroadNode>>) -> Self {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^ help: use `dyn`: `dyn RailroadNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:911:40
[INFO] [stderr]     |
[INFO] [stderr] 911 |     pub fn into_inner(self) -> Vec<Box<RailroadNode>> {
[INFO] [stderr]     |                                        ^^^^^^^^^^^^ help: use `dyn`: `dyn RailroadNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:915:37
[INFO] [stderr]     |
[INFO] [stderr] 915 |     fn padded_height(&self, child: &RailroadNode) -> i64 {
[INFO] [stderr]     |                                     ^^^^^^^^^^^^ help: use `dyn`: `dyn RailroadNode`
[INFO] [stderr] 
[INFO] [stderr] warning: 27 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking railroad_verification v0.1.0
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/notactuallysvg.rs:234:56
[INFO] [stderr]     |
[INFO] [stderr] 234 |     pub fn debug(self, name: &str, x: i64, y: i64, n: &super::RailroadNode) -> Self {
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn super::RailroadNode`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:218:44
[INFO] [stderr]     |
[INFO] [stderr] 218 |     fn running_x<'a>(&'a self, i64) -> Box<Iterator<Item=(&'a Box<RailroadNode>, i64)> + 'a>;
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=(&'a Box<RailroadNode>, i64)> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:218:67
[INFO] [stderr]     |
[INFO] [stderr] 218 |     fn running_x<'a>(&'a self, i64) -> Box<Iterator<Item=(&'a Box<RailroadNode>, i64)> + 'a>;
[INFO] [stderr]     |                                                                   ^^^^^^^^^^^^ help: use `dyn`: `dyn RailroadNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:222:41
[INFO] [stderr]     |
[INFO] [stderr] 222 | impl RailroadNodeCollection for Vec<Box<RailroadNode>> {
[INFO] [stderr]     |                                         ^^^^^^^^^^^^ help: use `dyn`: `dyn RailroadNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:223:53
[INFO] [stderr]     |
[INFO] [stderr] 223 |     fn running_x<'a>(&'a self, spacing: i64) -> Box<Iterator<Item=(&'a Box<RailroadNode>, i64)> + 'a> {
[INFO] [stderr]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=(&'a Box<RailroadNode>, i64)> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:223:76
[INFO] [stderr]     |
[INFO] [stderr] 223 |     fn running_x<'a>(&'a self, spacing: i64) -> Box<Iterator<Item=(&'a Box<RailroadNode>, i64)> + 'a> {
[INFO] [stderr]     |                                                                            ^^^^^^^^^^^^ help: use `dyn`: `dyn RailroadNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:316:23
[INFO] [stderr]     |
[INFO] [stderr] 316 |     children: Vec<Box<RailroadNode>>,
[INFO] [stderr]     |                       ^^^^^^^^^^^^ help: use `dyn`: `dyn RailroadNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:322:34
[INFO] [stderr]     |
[INFO] [stderr] 322 |     pub fn new(children: Vec<Box<RailroadNode>>) -> Self {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^ help: use `dyn`: `dyn RailroadNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:329:39
[INFO] [stderr]     |
[INFO] [stderr] 329 |     pub fn push(&mut self, child: Box<RailroadNode>) -> &mut Self {
[INFO] [stderr]     |                                       ^^^^^^^^^^^^ help: use `dyn`: `dyn RailroadNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:334:40
[INFO] [stderr]     |
[INFO] [stderr] 334 |     pub fn into_inner(self) -> Vec<Box<RailroadNode>> {
[INFO] [stderr]     |                                        ^^^^^^^^^^^^ help: use `dyn`: `dyn RailroadNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:373:23
[INFO] [stderr]     |
[INFO] [stderr] 373 |     children: Vec<Box<RailroadNode>>,
[INFO] [stderr]     |                       ^^^^^^^^^^^^ help: use `dyn`: `dyn RailroadNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:379:34
[INFO] [stderr]     |
[INFO] [stderr] 379 |     pub fn new(children: Vec<Box<RailroadNode>>) -> Self {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^ help: use `dyn`: `dyn RailroadNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:386:39
[INFO] [stderr]     |
[INFO] [stderr] 386 |     pub fn push(&mut self, child: Box<RailroadNode>) -> &mut Self {
[INFO] [stderr]     |                                       ^^^^^^^^^^^^ help: use `dyn`: `dyn RailroadNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:391:40
[INFO] [stderr]     |
[INFO] [stderr] 391 |     pub fn into_inner(self) -> Vec<Box<RailroadNode>> {
[INFO] [stderr]     |                                        ^^^^^^^^^^^^ help: use `dyn`: `dyn RailroadNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:432:23
[INFO] [stderr]     |
[INFO] [stderr] 432 |     children: Vec<Box<RailroadNode>>,
[INFO] [stderr]     |                       ^^^^^^^^^^^^ help: use `dyn`: `dyn RailroadNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:437:34
[INFO] [stderr]     |
[INFO] [stderr] 437 |     pub fn new(children: Vec<Box<RailroadNode>>) -> Sequence {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^ help: use `dyn`: `dyn RailroadNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:441:39
[INFO] [stderr]     |
[INFO] [stderr] 441 |     pub fn push(&mut self, child: Box<RailroadNode>) -> &mut Self {
[INFO] [stderr]     |                                       ^^^^^^^^^^^^ help: use `dyn`: `dyn RailroadNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:446:40
[INFO] [stderr]     |
[INFO] [stderr] 446 |     pub fn into_inner(self) -> Vec<Box<RailroadNode>> {
[INFO] [stderr]     |                                        ^^^^^^^^^^^^ help: use `dyn`: `dyn RailroadNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:749:23
[INFO] [stderr]     |
[INFO] [stderr] 749 |     children: Vec<Box<RailroadNode>>,
[INFO] [stderr]     |                       ^^^^^^^^^^^^ help: use `dyn`: `dyn RailroadNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:757:34
[INFO] [stderr]     |
[INFO] [stderr] 757 |     pub fn new(children: Vec<Box<RailroadNode>>) -> Self {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^ help: use `dyn`: `dyn RailroadNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:769:40
[INFO] [stderr]     |
[INFO] [stderr] 769 |     pub fn into_inner(self) -> Vec<Box<RailroadNode>> {
[INFO] [stderr]     |                                        ^^^^^^^^^^^^ help: use `dyn`: `dyn RailroadNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:778:37
[INFO] [stderr]     |
[INFO] [stderr] 778 |     fn padded_height(&self, child: &RailroadNode, next_child: &RailroadNode) -> i64 {
[INFO] [stderr]     |                                     ^^^^^^^^^^^^ help: use `dyn`: `dyn RailroadNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:778:64
[INFO] [stderr]     |
[INFO] [stderr] 778 |     fn padded_height(&self, child: &RailroadNode, next_child: &RailroadNode) -> i64 {
[INFO] [stderr]     |                                                                ^^^^^^^^^^^^ help: use `dyn`: `dyn RailroadNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:880:23
[INFO] [stderr]     |
[INFO] [stderr] 880 |     children: Vec<Box<RailroadNode>>,
[INFO] [stderr]     |                       ^^^^^^^^^^^^ help: use `dyn`: `dyn RailroadNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:886:34
[INFO] [stderr]     |
[INFO] [stderr] 886 |     pub fn new(children: Vec<Box<RailroadNode>>) -> Self {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^ help: use `dyn`: `dyn RailroadNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:911:40
[INFO] [stderr]     |
[INFO] [stderr] 911 |     pub fn into_inner(self) -> Vec<Box<RailroadNode>> {
[INFO] [stderr]     |                                        ^^^^^^^^^^^^ help: use `dyn`: `dyn RailroadNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:915:37
[INFO] [stderr]     |
[INFO] [stderr] 915 |     fn padded_height(&self, child: &RailroadNode) -> i64 {
[INFO] [stderr]     |                                     ^^^^^^^^^^^^ help: use `dyn`: `dyn RailroadNode`
[INFO] [stderr] 
[INFO] [stderr] warning: 27 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.27s
[INFO] running `"docker" "inspect" "5e8c740d7bbeb850777abce2e40f91a9d844cafa6702b0b15657bae41496bc9c"`
[INFO] running `"docker" "rm" "-f" "5e8c740d7bbeb850777abce2e40f91a9d844cafa6702b0b15657bae41496bc9c"`
[INFO] [stdout] 5e8c740d7bbeb850777abce2e40f91a9d844cafa6702b0b15657bae41496bc9c