[INFO] cloning repository https://github.com/Zeimer/aisd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Zeimer/aisd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZeimer%2Faisd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZeimer%2Faisd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] edb8b182a47b6db64ca18a79bf1dd453737dd36d
[INFO] checking Zeimer/aisd against master#09a371361240e42b0d69438fd1179efcf212e576 for pr-157814-crater-rollup
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZeimer%2Faisd" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Zeimer/aisd
[INFO] finished tweaking git repo https://github.com/Zeimer/aisd
[INFO] tweaked toml for git repo https://github.com/Zeimer/aisd written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Zeimer/aisd on toolchain 09a371361240e42b0d69438fd1179efcf212e576
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09a371361240e42b0d69438fd1179efcf212e576" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Zeimer/aisd 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" "+09a371361240e42b0d69438fd1179efcf212e576" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `aisd` (manifest) generated 1 warning
[INFO] [stderr]     Updating crates.io index
[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 bitflags v1.0.3
[INFO] [stderr]   Downloaded rand v0.5.4
[INFO] [stderr]   Downloaded wincolor v1.0.0
[INFO] [stderr]   Downloaded quick-error v1.2.2
[INFO] [stderr]   Downloaded cfg-if v0.1.4
[INFO] [stderr]   Downloaded lazy_static v1.0.2
[INFO] [stderr]   Downloaded rand_core v0.2.1
[INFO] [stderr]   Downloaded env_logger v0.5.11
[INFO] [stderr]   Downloaded termcolor v1.0.1
[INFO] [stderr]   Downloaded aho-corasick v0.6.6
[INFO] [stderr]   Downloaded log v0.4.3
[INFO] [stderr]   Downloaded quickcheck v0.6.2
[INFO] [stderr]   Downloaded humantime v1.1.1
[INFO] [stderr]   Downloaded regex v1.0.2
[INFO] [stderr]   Downloaded regex-syntax v0.6.2
[INFO] [stderr]   Downloaded libc v0.2.42
[INFO] [stderr]   Downloaded winapi v0.3.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7cf07dcec6eec8f91d8fcff9552b5c74122c05467aaf1800be6da9d6f61e2ab2" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 8b4a6c89baab6ef43ee9f53b52868cb5e1d3b7d880c2152b6deca2cf4cc2448f
[INFO] running `Command { std: "docker" "start" "8b4a6c89baab6ef43ee9f53b52868cb5e1d3b7d880c2152b6deca2cf4cc2448f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8b4a6c89baab6ef43ee9f53b52868cb5e1d3b7d880c2152b6deca2cf4cc2448f" "/opt/rustwide/cargo-home/bin/cargo" "+09a371361240e42b0d69438fd1179efcf212e576" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b4a6c89baab6ef43ee9f53b52868cb5e1d3b7d880c2152b6deca2cf4cc2448f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8b4a6c89baab6ef43ee9f53b52868cb5e1d3b7d880c2152b6deca2cf4cc2448f" "/opt/rustwide/cargo-home/bin/cargo" "+09a371361240e42b0d69438fd1179efcf212e576" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `aisd` (manifest) generated 1 warning
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]    Compiling regex v1.0.2
[INFO] [stderr]     Checking lazy_static v1.0.2
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.4
[INFO] [stderr]     Checking log v0.4.3
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking termcolor v1.0.1
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking rand v0.5.4
[INFO] [stderr]     Checking aho-corasick v0.6.6
[INFO] [stderr]     Checking env_logger v0.5.11
[INFO] [stderr]     Checking quickcheck v0.6.2
[INFO] [stderr]     Checking aisd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::u32`
[INFO] [stdout]  --> src/depq.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::u32;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/map/mod.rs:8:20
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn find(&self, &Self::Key) -> Option<&Self::Value>;
[INFO] [stdout]   |                    ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self::Key`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout]   = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/map/mod.rs:9:23
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn ins(&mut self, Self::Key, Self::Value) -> &mut Self;
[INFO] [stdout]   |                       ^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Key`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/map/mod.rs:9:34
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn ins(&mut self, Self::Key, Self::Value) -> &mut Self;
[INFO] [stdout]   |                                  ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Value`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/map/mod.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn del(&mut self, &Self::Key) -> Option<Self::Value>;
[INFO] [stdout]    |                       ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self::Key`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/depq.rs:340:29
[INFO] [stdout]     |
[INFO] [stdout] 340 |     fn shrink(&self) -> Box<Iterator<Item = Self>> {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 340 |     fn shrink(&self) -> Box<dyn Iterator<Item = Self>> {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::Tree::*`
[INFO] [stdout]   --> src/map/bst.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |     use super::Tree::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/map/mod.rs:8:20
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn find(&self, &Self::Key) -> Option<&Self::Value>;
[INFO] [stdout]   |                    ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self::Key`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout]   = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/map/mod.rs:9:23
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn ins(&mut self, Self::Key, Self::Value) -> &mut Self;
[INFO] [stdout]   |                       ^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Key`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/map/mod.rs:9:34
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn ins(&mut self, Self::Key, Self::Value) -> &mut Self;
[INFO] [stdout]   |                                  ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Value`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/map/mod.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn del(&mut self, &Self::Key) -> Option<Self::Value>;
[INFO] [stdout]    |                       ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self::Key`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/depq.rs:340:29
[INFO] [stdout]     |
[INFO] [stdout] 340 |     fn shrink(&self) -> Box<Iterator<Item = Self>> {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 340 |     fn shrink(&self) -> Box<dyn Iterator<Item = Self>> {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/coin_change.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     for mut i in 0 .. coins.len() {
[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: unused variable: `key`
[INFO] [stdout]   --> src/map/bst.rs:58:23
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn del(&mut self, key: &K) -> Option<V> {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_heap` is never used
[INFO] [stdout]    --> src/depq.rs:248:8
[INFO] [stdout]     |
[INFO] [stdout]  92 | impl<T: PartialOrd + Clone> DoubleHeap<T> {
[INFO] [stdout]     | ----------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 248 |     fn is_heap(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `size` is never used
[INFO] [stdout]   --> src/map/bst.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<K, V> Tree<K, V> {
[INFO] [stdout]    | --------------------- method in this implementation
[INFO] [stdout] 18 |     fn size(&self) -> usize {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `aisd::pq::Heap`
[INFO] [stdout]  --> src/bin.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use aisd::pq::Heap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `aisd::depq::DEPQ`
[INFO] [stdout]  --> src/bin.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use aisd::depq::DEPQ;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `aisd::depq::DoubleHeap`
[INFO] [stdout]  --> src/bin.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use aisd::depq::DoubleHeap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `aisd::pq::Heap`
[INFO] [stdout]  --> src/bin.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use aisd::pq::Heap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `aisd::depq::DEPQ`
[INFO] [stdout]  --> src/bin.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use aisd::depq::DEPQ;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `aisd::depq::DoubleHeap`
[INFO] [stdout]  --> src/bin.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use aisd::depq::DoubleHeap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/coin_change.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     for mut i in 0 .. coins.len() {
[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: unused variable: `key`
[INFO] [stdout]   --> src/map/bst.rs:58:23
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn del(&mut self, key: &K) -> Option<V> {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/map/bst.rs:105:17
[INFO] [stdout]     |
[INFO] [stdout] 105 |             let mut t1 = t.clone();
[INFO] [stdout]     |                 ----^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.30s
[INFO] running `Command { std: "docker" "inspect" "8b4a6c89baab6ef43ee9f53b52868cb5e1d3b7d880c2152b6deca2cf4cc2448f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b4a6c89baab6ef43ee9f53b52868cb5e1d3b7d880c2152b6deca2cf4cc2448f", kill_on_drop: false }`
[INFO] [stdout] 8b4a6c89baab6ef43ee9f53b52868cb5e1d3b7d880c2152b6deca2cf4cc2448f
