[INFO] cloning repository https://github.com/ANtlord/system_ladder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ANtlord/system_ladder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FANtlord%2Fsystem_ladder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FANtlord%2Fsystem_ladder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 44b3e901bcfed342ce69b974defef244f8170d6d
[INFO] checking ANtlord/system_ladder against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FANtlord%2Fsystem_ladder" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ANtlord/system_ladder
[INFO] finished tweaking git repo https://github.com/ANtlord/system_ladder
[INFO] tweaked toml for git repo https://github.com/ANtlord/system_ladder written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ANtlord/system_ladder on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ANtlord/system_ladder 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", 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]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c5e25a5c017a98a83fa7b2f8b51ae8c6f88f412abf55ac13f36dd06af6a9d8d
[INFO] running `Command { std: "docker" "start" "-a" "6c5e25a5c017a98a83fa7b2f8b51ae8c6f88f412abf55ac13f36dd06af6a9d8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c5e25a5c017a98a83fa7b2f8b51ae8c6f88f412abf55ac13f36dd06af6a9d8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c5e25a5c017a98a83fa7b2f8b51ae8c6f88f412abf55ac13f36dd06af6a9d8d", kill_on_drop: false }`
[INFO] [stdout] 6c5e25a5c017a98a83fa7b2f8b51ae8c6f88f412abf55ac13f36dd06af6a9d8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2dcfe4e47912efc4344d2f9bb2ed3aa33094176730fc88630d018e4eff16922
[INFO] running `Command { std: "docker" "start" "-a" "a2dcfe4e47912efc4344d2f9bb2ed3aa33094176730fc88630d018e4eff16922", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]     Checking system_ladder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/list/mod.rs:20:19
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn cursor(&mut self) -> Cursor<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] 20 |     pub fn cursor(&mut self) -> Cursor<'_, T> {
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/list/mod.rs:24:17
[INFO] [stdout]    |
[INFO] [stdout] 24 |     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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]   --> src/container/heap/indexed_heap.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |         drop(index);
[INFO] [stdout]    |         ^^^^^-----^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `usize`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 93 -         drop(index);
[INFO] [stdout] 93 +         let _ = index;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/graph/shortest_path/dijkstra.rs:60:16
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn path_to(&self, target: usize) -> EdgeIter {
[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] 60 |     fn path_to(&self, target: usize) -> EdgeIter<'_> {
[INFO] [stdout]    |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/graph/shortest_path/monotonic.rs:139:16
[INFO] [stdout]     |
[INFO] [stdout] 139 |     fn path_to(&self, vertex: usize) -> EdgeLinkIter {
[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] 139 |     fn path_to(&self, vertex: usize) -> EdgeLinkIter<'_> {
[INFO] [stdout]     |                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/graph/shortest_path/kshortestpaths.rs:77:16
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn path_to(&self, vertex: usize, path_order: usize) -> KShortestPathsIter {
[INFO] [stdout]    |                ^^^^^ the lifetime is elided here           ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 77 |     fn path_to(&self, vertex: usize, path_order: usize) -> KShortestPathsIter<'_> {
[INFO] [stdout]    |                                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/list/mod.rs:20:19
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn cursor(&mut self) -> Cursor<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] 20 |     pub fn cursor(&mut self) -> Cursor<'_, T> {
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/list/mod.rs:24:17
[INFO] [stdout]    |
[INFO] [stdout] 24 |     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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/fs/mod.rs:198:28
[INFO] [stdout]     |
[INFO] [stdout] 198 |                     panic!(e);
[INFO] [stdout]     |                            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 198 |                     panic!("{}", e);
[INFO] [stdout]     |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 198 -                     panic!(e);
[INFO] [stdout] 198 +                     std::panic::panic_any(e);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]   --> src/container/heap/indexed_heap.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |         drop(index);
[INFO] [stdout]    |         ^^^^^-----^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `usize`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 93 -         drop(index);
[INFO] [stdout] 93 +         let _ = index;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/container/heap/tests.rs:133:18
[INFO] [stdout]     |
[INFO] [stdout] 133 |         fn items(&self) -> Ref<Vec<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] 133 |         fn items(&self) -> Ref<'_, Vec<T>> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/container/heap/tests.rs:137:15
[INFO] [stdout]     |
[INFO] [stdout] 137 |         fn at(&self, index: usize) -> Ref<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] 137 |         fn at(&self, index: usize) -> Ref<'_, T> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/graph/shortest_path/dijkstra.rs:60:16
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn path_to(&self, target: usize) -> EdgeIter {
[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] 60 |     fn path_to(&self, target: usize) -> EdgeIter<'_> {
[INFO] [stdout]    |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/graph/shortest_path/dijkstra.rs:80:40
[INFO] [stdout]    |
[INFO] [stdout] 80 |         assert!(shortest_path.is_ok(), shortest_path.err().unwrap());
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 80 |         assert!(shortest_path.is_ok(), "{}", shortest_path.err().unwrap());
[INFO] [stdout]    |                                        +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/graph/shortest_path/dijkstra.rs:96:40
[INFO] [stdout]    |
[INFO] [stdout] 96 |         assert!(shortest_path.is_ok(), shortest_path.err().unwrap());
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 96 |         assert!(shortest_path.is_ok(), "{}", shortest_path.err().unwrap());
[INFO] [stdout]    |                                        +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/graph/shortest_path/dijkstra.rs:161:40
[INFO] [stdout]     |
[INFO] [stdout] 161 |             assert!(!program.is_err(), program.err().unwrap());
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 161 |             assert!(!program.is_err(), "{}", program.err().unwrap());
[INFO] [stdout]     |                                        +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/graph/shortest_path/monotonic.rs:139:16
[INFO] [stdout]     |
[INFO] [stdout] 139 |     fn path_to(&self, vertex: usize) -> EdgeLinkIter {
[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] 139 |     fn path_to(&self, vertex: usize) -> EdgeLinkIter<'_> {
[INFO] [stdout]     |                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/graph/shortest_path/kshortestpaths.rs:77:16
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn path_to(&self, vertex: usize, path_order: usize) -> KShortestPathsIter {
[INFO] [stdout]    |                ^^^^^ the lifetime is elided here           ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 77 |     fn path_to(&self, vertex: usize, path_order: usize) -> KShortestPathsIter<'_> {
[INFO] [stdout]    |                                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/str/suffixtree.rs:483:23
[INFO] [stdout]     |
[INFO] [stdout] 483 |     fn end_node(data: &str, expected_endptr: Rc<RefCell<usize>>) -> Node {
[INFO] [stdout]     |                       ^^^^ the lifetime is elided here              ^^^^ the same lifetime is hidden 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] 483 |     fn end_node(data: &str, expected_endptr: Rc<RefCell<usize>>) -> Node<'_> {
[INFO] [stdout]     |                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]    --> src/str/suffixtree.rs:584:33
[INFO] [stdout]     |
[INFO] [stdout] 584 |         let mut trace = unsafe {TR.as_mut().unwrap()};
[INFO] [stdout]     |                                 ^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]     = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.09s
[INFO] running `Command { std: "docker" "inspect" "a2dcfe4e47912efc4344d2f9bb2ed3aa33094176730fc88630d018e4eff16922", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2dcfe4e47912efc4344d2f9bb2ed3aa33094176730fc88630d018e4eff16922", kill_on_drop: false }`
[INFO] [stdout] a2dcfe4e47912efc4344d2f9bb2ed3aa33094176730fc88630d018e4eff16922
