[INFO] cloning repository https://github.com/RajivKurien/Dining_Philosophers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RajivKurien/Dining_Philosophers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRajivKurien%2FDining_Philosophers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRajivKurien%2FDining_Philosophers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bdaba33bcf72c35cb9f9a7b7f54acc982ebc5f1d
[INFO] checking RajivKurien/Dining_Philosophers against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRajivKurien%2FDining_Philosophers" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/RajivKurien/Dining_Philosophers
[INFO] finished tweaking git repo https://github.com/RajivKurien/Dining_Philosophers
[INFO] tweaked toml for git repo https://github.com/RajivKurien/Dining_Philosophers written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/RajivKurien/Dining_Philosophers on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/RajivKurien/Dining_Philosophers 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--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 termcolor v1.0.4
[INFO] [stderr]   Downloaded libc v0.2.55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9eb630332f747f41187e9a05106707e82cd88fe93595a3970877dc487557eb16
[INFO] running `Command { std: "docker" "start" "-a" "9eb630332f747f41187e9a05106707e82cd88fe93595a3970877dc487557eb16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9eb630332f747f41187e9a05106707e82cd88fe93595a3970877dc487557eb16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9eb630332f747f41187e9a05106707e82cd88fe93595a3970877dc487557eb16", kill_on_drop: false }`
[INFO] [stdout] 9eb630332f747f41187e9a05106707e82cd88fe93595a3970877dc487557eb16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f616ca6f5d389f2a661efc62a9d6e9d3ec9df48d8f31c6910d80d49e1bdfa3b
[INFO] running `Command { std: "docker" "start" "-a" "5f616ca6f5d389f2a661efc62a9d6e9d3ec9df48d8f31c6910d80d49e1bdfa3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]     Checking Dining_Philosophers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::dining_philosophers::fork::Fork`
[INFO] [stdout]  --> src/dining_philosophers/resource_hierarchy_impl/thinking.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::dining_philosophers::fork::Fork;
[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: `crate::dining_philosophers::resource_hierarchy_impl::left_thinking::LeftThinking`
[INFO] [stdout]  --> src/dining_philosophers/resource_hierarchy_impl/thinking.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::dining_philosophers::resource_hierarchy_impl::left_thinking::LeftThinking;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::dining_philosophers::resource_hierarchy_impl::right_thinking::RightThinking`
[INFO] [stdout]  --> src/dining_philosophers/resource_hierarchy_impl/thinking.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::dining_philosophers::resource_hierarchy_impl::right_thinking::RightThinking;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/dining_philosophers/philosopher/philosopher.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |     sm: Box<StateMachine + Send>,
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) 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] 7 |     sm: Box<dyn StateMachine + Send>,
[INFO] [stdout]   |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/dining_philosophers/resource_hierarchy_impl/eating.rs:34:37
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn transition(&mut self) -> Box<StateMachine + Send> {
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn transition(&mut self) -> Box<dyn StateMachine + Send> {
[INFO] [stdout]    |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/dining_philosophers/philosopher/state_machine.rs:10:37
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn transition(&mut self) -> Box<StateMachine + Send>;
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn transition(&mut self) -> Box<dyn StateMachine + Send>;
[INFO] [stdout]    |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/dining_philosophers/resource_hierarchy_impl/thinking.rs:19:37
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn transition(&mut self) -> Box<StateMachine + Send> {
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn transition(&mut self) -> Box<dyn StateMachine + Send> {
[INFO] [stdout]    |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/dining_philosophers/resource_hierarchy_impl/left_thinking.rs:30:37
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn transition(&mut self) -> Box<StateMachine + Send> {
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn transition(&mut self) -> Box<dyn StateMachine + Send> {
[INFO] [stdout]    |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/dining_philosophers/resource_hierarchy_impl/right_thinking.rs:27:37
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn transition(&mut self) -> Box<StateMachine + Send> {
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn transition(&mut self) -> Box<dyn StateMachine + Send> {
[INFO] [stdout]    |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:78:37
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn transition(&mut self) -> Box<StateMachine + Send> {
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn transition(&mut self) -> Box<dyn StateMachine + Send> {
[INFO] [stdout]    |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/dining_philosophers/philosopher/philosopher.rs:12:35
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new(id: usize, sm: Box<StateMachine + Send>) -> Self {
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new(id: usize, sm: Box<dyn StateMachine + Send>) -> Self {
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `table_interaction`
[INFO] [stdout]   --> src/dining_philosophers/resource_hierarchy_impl/thinking.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn new(table_interaction: TableInteraction) -> Thinking {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_table_interaction`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Eating` is never constructed
[INFO] [stdout]  --> src/dining_philosophers/resource_hierarchy_impl/eating.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Eating {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `drop_left`, and `drop_right` are never used
[INFO] [stdout]   --> src/dining_philosophers/resource_hierarchy_impl/eating.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Eating {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 15 |     pub fn new(left_fork: Fork, right_fork: Fork, table_interaction: TableInteraction) -> Eating {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn drop_left(&mut self, table_interaction: TableInteraction) -> RightThinking {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     fn drop_right(&mut self, table_interaction: TableInteraction) -> LeftThinking {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LeftThinking` is never constructed
[INFO] [stdout]  --> src/dining_philosophers/resource_hierarchy_impl/left_thinking.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct LeftThinking {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `take_right`, and `drop_left` are never used
[INFO] [stdout]   --> src/dining_philosophers/resource_hierarchy_impl/left_thinking.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl LeftThinking {
[INFO] [stdout]    | ----------------- associated items in this implementation
[INFO] [stdout] 14 |     pub fn new(left_fork: Fork, table_interaction: TableInteraction) -> LeftThinking {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     fn take_right(&mut self, fork: Fork, table_interaction: TableInteraction) -> Eating {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn drop_left(&mut self, table_interaction: TableInteraction) -> Thinking {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RightThinking` is never constructed
[INFO] [stdout]  --> src/dining_philosophers/resource_hierarchy_impl/right_thinking.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct RightThinking {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `take_left`, and `drop_right` are never used
[INFO] [stdout]   --> src/dining_philosophers/resource_hierarchy_impl/right_thinking.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl RightThinking {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] 14 |     pub fn new(right_fork: Fork, table_interaction: TableInteraction) -> RightThinking {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn take_left(&mut self, fork: Fork, table_interaction: TableInteraction) -> Eating {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     fn drop_right(&mut self, table_interaction: TableInteraction) -> Thinking {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_fork` and `return_fork` are never used
[INFO] [stdout]   --> src/dining_philosophers/table.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Table {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 38 |     fn get_fork(&mut self, position: usize) -> Option<Fork> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     fn return_fork(&mut self, fork: Fork, position: usize) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `table` is never read
[INFO] [stdout]   --> src/dining_philosophers/table.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub struct TableInteraction {
[INFO] [stdout]    |            ---------------- field in this struct
[INFO] [stdout] 52 |     pub position: usize,
[INFO] [stdout] 53 |     pub table: Arc<Mutex<Table>>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TableInteraction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_left_fork`, `return_left_fork`, `get_right_fork`, and `return_right_fork` are never used
[INFO] [stdout]   --> src/dining_philosophers/table.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 62 | impl TableInteraction {
[INFO] [stdout]    | --------------------- methods in this implementation
[INFO] [stdout] 63 |     pub fn get_left_fork(&self) -> Option<Fork> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |     pub fn return_left_fork(&self, fork: Fork) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     pub fn get_right_fork(&self) -> Option<Fork> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75 |     pub fn return_right_fork(&self, fork: Fork) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `history` and `id` are never used
[INFO] [stdout]   --> src/dining_philosophers/philosopher/philosopher.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Philosopher {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     fn history(&self) -> &Vec<State> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     fn id(&self) -> usize {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `LeftThinking` and `RightThinking` are never constructed
[INFO] [stdout]  --> src/dining_philosophers/philosopher/state_machine.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum State {
[INFO] [stdout]   |          ----- variants in this enum
[INFO] [stdout] 3 |     Thinking,
[INFO] [stdout] 4 |     LeftThinking,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 5 |     RightThinking,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `State` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::dining_philosophers::fork::Fork`
[INFO] [stdout]  --> src/dining_philosophers/resource_hierarchy_impl/thinking.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::dining_philosophers::fork::Fork;
[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: `crate::dining_philosophers::resource_hierarchy_impl::left_thinking::LeftThinking`
[INFO] [stdout]  --> src/dining_philosophers/resource_hierarchy_impl/thinking.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::dining_philosophers::resource_hierarchy_impl::left_thinking::LeftThinking;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::dining_philosophers::resource_hierarchy_impl::right_thinking::RightThinking`
[INFO] [stdout]  --> src/dining_philosophers/resource_hierarchy_impl/thinking.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::dining_philosophers::resource_hierarchy_impl::right_thinking::RightThinking;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::dining_philosophers::fork::Fork`
[INFO] [stdout]   --> src/dining_philosophers/resource_hierarchy_impl/thinking.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     use crate::dining_philosophers::fork::Fork;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::dining_philosophers::resource_hierarchy_impl::left_thinking::LeftThinking`
[INFO] [stdout]   --> src/dining_philosophers/resource_hierarchy_impl/thinking.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     use crate::dining_philosophers::resource_hierarchy_impl::left_thinking::LeftThinking;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::dining_philosophers::resource_hierarchy_impl::right_thinking::RightThinking`
[INFO] [stdout]   --> src/dining_philosophers/resource_hierarchy_impl/thinking.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     use crate::dining_philosophers::resource_hierarchy_impl::right_thinking::RightThinking;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/dining_philosophers/philosopher/philosopher.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |     sm: Box<StateMachine + Send>,
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) 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] 7 |     sm: Box<dyn StateMachine + Send>,
[INFO] [stdout]   |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/dining_philosophers/resource_hierarchy_impl/eating.rs:34:37
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn transition(&mut self) -> Box<StateMachine + Send> {
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn transition(&mut self) -> Box<dyn StateMachine + Send> {
[INFO] [stdout]    |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/dining_philosophers/philosopher/state_machine.rs:10:37
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn transition(&mut self) -> Box<StateMachine + Send>;
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn transition(&mut self) -> Box<dyn StateMachine + Send>;
[INFO] [stdout]    |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/dining_philosophers/resource_hierarchy_impl/thinking.rs:19:37
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn transition(&mut self) -> Box<StateMachine + Send> {
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn transition(&mut self) -> Box<dyn StateMachine + Send> {
[INFO] [stdout]    |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/dining_philosophers/resource_hierarchy_impl/left_thinking.rs:30:37
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn transition(&mut self) -> Box<StateMachine + Send> {
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn transition(&mut self) -> Box<dyn StateMachine + Send> {
[INFO] [stdout]    |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/dining_philosophers/resource_hierarchy_impl/right_thinking.rs:27:37
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn transition(&mut self) -> Box<StateMachine + Send> {
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn transition(&mut self) -> Box<dyn StateMachine + Send> {
[INFO] [stdout]    |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/dining_philosophers/philosopher/philosopher.rs:97:41
[INFO] [stdout]    |
[INFO] [stdout] 97 |         fn transition(&mut self) -> Box<StateMachine + Send> {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 97 |         fn transition(&mut self) -> Box<dyn StateMachine + Send> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:78:37
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn transition(&mut self) -> Box<StateMachine + Send> {
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn transition(&mut self) -> Box<dyn StateMachine + Send> {
[INFO] [stdout]    |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/dining_philosophers/philosopher/philosopher.rs:12:35
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new(id: usize, sm: Box<StateMachine + Send>) -> Self {
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new(id: usize, sm: Box<dyn StateMachine + Send>) -> Self {
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/dining_philosophers/resource_hierarchy_impl/eating.rs:96:27
[INFO] [stdout]    |
[INFO] [stdout] 96 |         let mut unit: Box<StateMachine> = Box::new(Eating::new(left_fork, right_fork, table_interaction));
[INFO] [stdout]    |                           ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 96 |         let mut unit: Box<dyn StateMachine> = Box::new(Eating::new(left_fork, right_fork, table_interaction));
[INFO] [stdout]    |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dining_philosophers/resource_hierarchy_impl/eating.rs:110:27
[INFO] [stdout]     |
[INFO] [stdout] 110 |         let mut unit: Box<StateMachine> = Box::new(Eating::new(left_fork, right_fork, table_interaction));
[INFO] [stdout]     |                           ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 110 |         let mut unit: Box<dyn StateMachine> = Box::new(Eating::new(left_fork, right_fork, table_interaction));
[INFO] [stdout]     |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/dining_philosophers/resource_hierarchy_impl/left_thinking.rs:98:27
[INFO] [stdout]    |
[INFO] [stdout] 98 |         let mut unit: Box<StateMachine> = Box::new(LeftThinking::new(fork, table_interaction));
[INFO] [stdout]    |                           ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 98 |         let mut unit: Box<dyn StateMachine> = Box::new(LeftThinking::new(fork, table_interaction));
[INFO] [stdout]    |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dining_philosophers/resource_hierarchy_impl/left_thinking.rs:109:27
[INFO] [stdout]     |
[INFO] [stdout] 109 |         let mut unit: Box<StateMachine> = Box::new(LeftThinking::new(fork.take().unwrap(), table_interaction));
[INFO] [stdout]     |                           ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 109 |         let mut unit: Box<dyn StateMachine> = Box::new(LeftThinking::new(fork.take().unwrap(), table_interaction));
[INFO] [stdout]     |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dining_philosophers/resource_hierarchy_impl/left_thinking.rs:120:27
[INFO] [stdout]     |
[INFO] [stdout] 120 |         let mut unit: Box<StateMachine> = Box::new(LeftThinking::new(fork.take().unwrap(), table_interaction));
[INFO] [stdout]     |                           ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 120 |         let mut unit: Box<dyn StateMachine> = Box::new(LeftThinking::new(fork.take().unwrap(), table_interaction));
[INFO] [stdout]     |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/dining_philosophers/resource_hierarchy_impl/right_thinking.rs:94:27
[INFO] [stdout]    |
[INFO] [stdout] 94 |         let mut unit: Box<StateMachine> = Box::new(RightThinking::new(fork, table_interaction));
[INFO] [stdout]    |                           ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 94 |         let mut unit: Box<dyn StateMachine> = Box::new(RightThinking::new(fork, table_interaction));
[INFO] [stdout]    |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dining_philosophers/resource_hierarchy_impl/right_thinking.rs:106:27
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let mut unit: Box<StateMachine> = Box::new(RightThinking::new(fork.take().unwrap(), table_interaction));
[INFO] [stdout]     |                           ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let mut unit: Box<dyn StateMachine> = Box::new(RightThinking::new(fork.take().unwrap(), table_interaction));
[INFO] [stdout]     |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dining_philosophers/resource_hierarchy_impl/right_thinking.rs:117:27
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let mut unit: Box<StateMachine> = Box::new(RightThinking::new(fork, table_interaction));
[INFO] [stdout]     |                           ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let mut unit: Box<dyn StateMachine> = Box::new(RightThinking::new(fork, table_interaction));
[INFO] [stdout]     |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `table_interaction`
[INFO] [stdout]   --> src/dining_philosophers/resource_hierarchy_impl/thinking.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn new(table_interaction: TableInteraction) -> Thinking {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_table_interaction`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `Command { std: "docker" "inspect" "5f616ca6f5d389f2a661efc62a9d6e9d3ec9df48d8f31c6910d80d49e1bdfa3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f616ca6f5d389f2a661efc62a9d6e9d3ec9df48d8f31c6910d80d49e1bdfa3b", kill_on_drop: false }`
[INFO] [stdout] 5f616ca6f5d389f2a661efc62a9d6e9d3ec9df48d8f31c6910d80d49e1bdfa3b
