[INFO] cloning repository https://github.com/fsasieta/mutlthreaded_raft_example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fsasieta/mutlthreaded_raft_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffsasieta%2Fmutlthreaded_raft_example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffsasieta%2Fmutlthreaded_raft_example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6b8d275f933b981fa2b619c897f94b471e5b5f7b
[INFO] building fsasieta/mutlthreaded_raft_example against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffsasieta%2Fmutlthreaded_raft_example" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fsasieta/mutlthreaded_raft_example on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fsasieta/mutlthreaded_raft_example
[INFO] finished tweaking git repo https://github.com/fsasieta/mutlthreaded_raft_example
[INFO] tweaked toml for git repo https://github.com/fsasieta/mutlthreaded_raft_example written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/fsasieta/mutlthreaded_raft_example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cda9cedcaf1c921e7aa10ed2837053dff9656a6231570df27eb4459cce38d1bb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cda9cedcaf1c921e7aa10ed2837053dff9656a6231570df27eb4459cce38d1bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cda9cedcaf1c921e7aa10ed2837053dff9656a6231570df27eb4459cce38d1bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cda9cedcaf1c921e7aa10ed2837053dff9656a6231570df27eb4459cce38d1bb", kill_on_drop: false }`
[INFO] [stdout] cda9cedcaf1c921e7aa10ed2837053dff9656a6231570df27eb4459cce38d1bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c00cafd552b1cf18b99b90bbc5e0a0e75e12dc65d7266221d55d748358042c0a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c00cafd552b1cf18b99b90bbc5e0a0e75e12dc65d7266221d55d748358042c0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling protobuf v2.0.6
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling utf8-ranges v1.0.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling crossbeam v0.2.12
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling hashbrown v0.5.0
[INFO] [stderr]    Compiling regex-syntax v0.6.10
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling aho-corasick v0.7.4
[INFO] [stderr]    Compiling getrandom v0.1.6
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling chrono v0.4.7
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling slog-scope v4.1.2
[INFO] [stderr]    Compiling slog-async v2.3.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling slog-stdlog v3.0.5
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling slog-term v2.4.1
[INFO] [stderr]    Compiling regex v1.2.0
[INFO] [stderr]    Compiling slog-envlogger v2.1.0
[INFO] [stderr]    Compiling protobuf-codegen v2.0.6
[INFO] [stderr]    Compiling getset v0.0.7
[INFO] [stderr]    Compiling protobuf-build v0.8.0
[INFO] [stderr]    Compiling raft-proto v0.6.0-alpha
[INFO] [stderr]    Compiling raft v0.6.0-alpha
[INFO] [stderr]    Compiling token_interview_hw v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `logger`
[INFO] [stdout]   --> src/main.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let logger = initialize_and_return_logger();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_logger`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]    --> src/main.rs:111:17
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let mut node = if i == random_leader.try_into().unwrap() {
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `low`
[INFO] [stdout]   --> src/simulated_storage.rs:28:23
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn entries(&self, low: u64, high: u64, max_size: u64) -> Result<Vec<Entry>, Error> {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_low`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `high`
[INFO] [stdout]   --> src/simulated_storage.rs:28:33
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn entries(&self, low: u64, high: u64, max_size: u64) -> Result<Vec<Entry>, Error> {
[INFO] [stdout]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_high`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max_size`
[INFO] [stdout]   --> src/simulated_storage.rs:28:44
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn entries(&self, low: u64, high: u64, max_size: u64) -> Result<Vec<Entry>, Error> {
[INFO] [stdout]    |                                            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]   --> src/simulated_storage.rs:83:26
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn new_with_conf(config: Config) -> SimulatedStorage {
[INFO] [stdout]    |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let mut number_of_nodes = args[1]
[INFO] [stdout]    |         ----^^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:86:10
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let (mut sender_mailboxes, mut receiver_mailboxes) = create_x_number_of_mailboxes(number_of_nodes);
[INFO] [stdout]    |          ----^^^^^^^^^^^^^^^^
[INFO] [stdout]    |          |
[INFO] [stdout]    |          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:86:32
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let (mut sender_mailboxes, mut receiver_mailboxes) = create_x_number_of_mailboxes(number_of_nodes);
[INFO] [stdout]    |                                ----^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:111:13
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let mut node = if i == random_leader.try_into().unwrap() {
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/simulated_storage.rs:104:16
[INFO] [stdout]     |
[INFO] [stdout] 104 |            let mut result: raft::RaftState = raft::RaftState ::new (
[INFO] [stdout]     |                ----^^^^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `raft_group`
[INFO] [stdout]   --> src/node.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     raft_group: Option<RawNode<SimulatedStorage>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `mailbox`
[INFO] [stdout]   --> src/node.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     mailbox: Receiver<Message>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `mailboxes`
[INFO] [stdout]   --> src/node.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     mailboxes: HashMap<u64, Sender<Message>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `entries`
[INFO] [stdout]   --> src/simulated_storage.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn entries(&self, low: u64, high: u64, max_size: u64) -> Result<Vec<Entry>, Error> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_with_conf`
[INFO] [stdout]   --> src/simulated_storage.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn new_with_conf(config: Config) -> SimulatedStorage {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.25s
[INFO] running `Command { std: "docker" "inspect" "c00cafd552b1cf18b99b90bbc5e0a0e75e12dc65d7266221d55d748358042c0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c00cafd552b1cf18b99b90bbc5e0a0e75e12dc65d7266221d55d748358042c0a", kill_on_drop: false }`
[INFO] [stdout] c00cafd552b1cf18b99b90bbc5e0a0e75e12dc65d7266221d55d748358042c0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8e2a86998b7331c9cc6e590c07fefada03e2c7340b086e5916f4475c52e61da0
[INFO] running `Command { std: "docker" "start" "-a" "8e2a86998b7331c9cc6e590c07fefada03e2c7340b086e5916f4475c52e61da0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling token_interview_hw v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find value `rx_stop` in this scope
[INFO] [stdout]    --> src/main.rs:161:45
[INFO] [stdout]     |
[INFO] [stdout] 161 |         let recv_stop = Arc::new(Mutex::new(rx_stop));
[INFO] [stdout]     |                                             ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `&Vec<std::string::String>: From<Vec<{integer}>>` is not satisfied
[INFO] [stdout]    --> src/main.rs:153:36
[INFO] [stdout]     |
[INFO] [stdout] 153 |         assert_eq!(parse_arguments(negative_number.into()), -negative_number);
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^ the trait `From<Vec<{integer}>>` is not implemented for `&Vec<std::string::String>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the following implementations were found:
[INFO] [stdout]               <Vec<T, A> as From<Box<[T], A>>>
[INFO] [stdout]               <Vec<T> as From<&[T]>>
[INFO] [stdout]               <Vec<T> as From<&mut [T]>>
[INFO] [stdout]               <Vec<T> as From<BinaryHeap<T>>>
[INFO] [stdout]             and 6 others
[INFO] [stdout]     = note: required because of the requirements on the impl of `Into<&Vec<std::string::String>>` for `Vec<{integer}>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0600]: cannot apply unary operator `-` to type `Vec<{integer}>`
[INFO] [stdout]    --> src/main.rs:153:61
[INFO] [stdout]     |
[INFO] [stdout] 153 |         assert_eq!(parse_arguments(negative_number.into()), -negative_number);
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^^^^^ cannot apply unary operator `-`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `&Vec<std::string::String>: From<Vec<{integer}>>` is not satisfied
[INFO] [stdout]    --> src/main.rs:154:36
[INFO] [stdout]     |
[INFO] [stdout] 154 |         assert_eq!(parse_arguments(zero.into()), 1);
[INFO] [stdout]     |                                    ^^^^^^^^^^^ the trait `From<Vec<{integer}>>` is not implemented for `&Vec<std::string::String>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the following implementations were found:
[INFO] [stdout]               <Vec<T, A> as From<Box<[T], A>>>
[INFO] [stdout]               <Vec<T> as From<&[T]>>
[INFO] [stdout]               <Vec<T> as From<&mut [T]>>
[INFO] [stdout]               <Vec<T> as From<BinaryHeap<T>>>
[INFO] [stdout]             and 6 others
[INFO] [stdout]     = note: required because of the requirements on the impl of `Into<&Vec<std::string::String>>` for `Vec<{integer}>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `&Vec<std::string::String>: From<Vec<{integer}>>` is not satisfied
[INFO] [stdout]    --> src/main.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |         assert_eq!(parse_arguments(positive.into()), positive);
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^ the trait `From<Vec<{integer}>>` is not implemented for `&Vec<std::string::String>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the following implementations were found:
[INFO] [stdout]               <Vec<T, A> as From<Box<[T], A>>>
[INFO] [stdout]               <Vec<T> as From<&[T]>>
[INFO] [stdout]               <Vec<T> as From<&mut [T]>>
[INFO] [stdout]               <Vec<T> as From<BinaryHeap<T>>>
[INFO] [stdout]             and 6 others
[INFO] [stdout]     = note: required because of the requirements on the impl of `Into<&Vec<std::string::String>>` for `Vec<{integer}>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:155:9
[INFO] [stdout]     |
[INFO] [stdout] 155 |         assert_eq!(parse_arguments(positive.into()), positive);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `u64`, found struct `Vec`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected type `u64`
[INFO] [stdout]              found struct `Vec<{integer}>`
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:164:30
[INFO] [stdout]     |
[INFO] [stdout] 164 |         assert_eq!(terminate(recv_stop), true);
[INFO] [stdout]     |                              ^^^^^^^^^
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              expected reference, found struct `std::sync::Arc`
[INFO] [stdout]     |                              help: consider borrowing here: `&recv_stop`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&std::sync::Arc<std::sync::Mutex<std::sync::mpsc::Receiver<Signals>>>`
[INFO] [stdout]                   found struct `std::sync::Arc<std::sync::Mutex<_>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308, E0425, E0600.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `token_interview_hw`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "8e2a86998b7331c9cc6e590c07fefada03e2c7340b086e5916f4475c52e61da0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e2a86998b7331c9cc6e590c07fefada03e2c7340b086e5916f4475c52e61da0", kill_on_drop: false }`
[INFO] [stdout] 8e2a86998b7331c9cc6e590c07fefada03e2c7340b086e5916f4475c52e61da0
