[INFO] updating cached repository https://github.com/fsasieta/mutlthreaded_raft_example
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6b8d275f933b981fa2b619c897f94b471e5b5f7b
[INFO] checking fsasieta/mutlthreaded_raft_example against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffsasieta%2Fmutlthreaded_raft_example" "/workspace/builds/worker-4/source"`
[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 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[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 `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0d32eabc9af10ff974b3e95b3c95c9a27f008cb2cebce5a83336ecac2f164786
[INFO] running `"docker" "start" "-a" "0d32eabc9af10ff974b3e95b3c95c9a27f008cb2cebce5a83336ecac2f164786"`
[INFO] [stderr]    Compiling protobuf v2.0.6
[INFO] [stderr]    Compiling spin v0.5.0
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]     Checking utf8-ranges v0.1.3
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[INFO] [stderr]     Checking memchr v0.1.11
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[INFO] [stderr]     Checking term v0.5.2
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[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]     Checking log v0.3.9
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[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking slog-envlogger v2.1.0
[INFO] [stderr]    Compiling protobuf-codegen v2.0.6
[INFO] [stderr]    Compiling protobuf-build v0.8.0
[INFO] [stderr]    Compiling raft-proto v0.6.0-alpha
[INFO] [stderr]     Checking raft v0.6.0-alpha
[INFO] [stderr]     Checking token_interview_hw v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0425]: cannot find value `rx_stop` in this scope
[INFO] [stderr]    --> src/main.rs:161:45
[INFO] [stderr]     |
[INFO] [stderr] 161 |         let recv_stop = Arc::new(Mutex::new(rx_stop));
[INFO] [stderr]     |                                             ^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `logger`
[INFO] [stderr]   --> src/main.rs:83:9
[INFO] [stderr]    |
[INFO] [stderr] 83 |     let logger = initialize_and_return_logger();
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_logger`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `node`
[INFO] [stderr]    --> src/main.rs:111:17
[INFO] [stderr]     |
[INFO] [stderr] 111 |         let mut node = if i == random_leader.try_into().unwrap() {
[INFO] [stderr]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `low`
[INFO] [stderr]   --> src/simulated_storage.rs:28:23
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn entries(&self, low: u64, high: u64, max_size: u64) -> Result<Vec<Entry>, Error> {
[INFO] [stderr]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_low`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `high`
[INFO] [stderr]   --> src/simulated_storage.rs:28:33
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn entries(&self, low: u64, high: u64, max_size: u64) -> Result<Vec<Entry>, Error> {
[INFO] [stderr]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_high`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `max_size`
[INFO] [stderr]   --> src/simulated_storage.rs:28:44
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn entries(&self, low: u64, high: u64, max_size: u64) -> Result<Vec<Entry>, Error> {
[INFO] [stderr]    |                                            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_size`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `config`
[INFO] [stderr]   --> src/simulated_storage.rs:83:26
[INFO] [stderr]    |
[INFO] [stderr] 83 |     pub fn new_with_conf(config: Config) -> SimulatedStorage {
[INFO] [stderr]    |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let mut number_of_nodes = args[1]
[INFO] [stderr]    |         ----^^^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:86:10
[INFO] [stderr]    |
[INFO] [stderr] 86 |     let (mut sender_mailboxes, mut receiver_mailboxes) = create_x_number_of_mailboxes(number_of_nodes);
[INFO] [stderr]    |          ----^^^^^^^^^^^^^^^^
[INFO] [stderr]    |          |
[INFO] [stderr]    |          help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:86:32
[INFO] [stderr]    |
[INFO] [stderr] 86 |     let (mut sender_mailboxes, mut receiver_mailboxes) = create_x_number_of_mailboxes(number_of_nodes);
[INFO] [stderr]    |                                ----^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |                                |
[INFO] [stderr]    |                                help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:111:13
[INFO] [stderr]     |
[INFO] [stderr] 111 |         let mut node = if i == random_leader.try_into().unwrap() {
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/simulated_storage.rs:104:16
[INFO] [stderr]     |
[INFO] [stderr] 104 |            let mut result: raft::RaftState = raft::RaftState ::new (
[INFO] [stderr]     |                ----^^^^^^
[INFO] [stderr]     |                |
[INFO] [stderr]     |                help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `raft_group`
[INFO] [stderr]   --> src/node.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     raft_group: Option<RawNode<SimulatedStorage>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `mailbox`
[INFO] [stderr]   --> src/node.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     mailbox: Receiver<Message>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `mailboxes`
[INFO] [stderr]   --> src/node.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     mailboxes: HashMap<u64, Sender<Message>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `entries`
[INFO] [stderr]   --> src/simulated_storage.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn entries(&self, low: u64, high: u64, max_size: u64) -> Result<Vec<Entry>, Error> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_with_conf`
[INFO] [stderr]   --> src/simulated_storage.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 |     pub fn new_with_conf(config: Config) -> SimulatedStorage {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `&std::vec::Vec<std::string::String>: std::convert::From<std::vec::Vec<{integer}>>` is not satisfied
[INFO] [stderr]    --> src/main.rs:153:36
[INFO] [stderr]     |
[INFO] [stderr] 153 |         assert_eq!(parse_arguments(negative_number.into()), -negative_number);
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^ the trait `std::convert::From<std::vec::Vec<{integer}>>` is not implemented for `&std::vec::Vec<std::string::String>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the following implementations were found:
[INFO] [stderr]               <std::vec::Vec<T> as std::convert::From<&[T]>>
[INFO] [stderr]               <std::vec::Vec<T> as std::convert::From<&mut [T]>>
[INFO] [stderr]               <std::vec::Vec<T> as std::convert::From<[T; _]>>
[INFO] [stderr]               <std::vec::Vec<T> as std::convert::From<std::borrow::Cow<'a, [T]>>>
[INFO] [stderr]             and 6 others
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::convert::Into<&std::vec::Vec<std::string::String>>` for `std::vec::Vec<{integer}>`
[INFO] [stderr] 
[INFO] [stderr] error[E0600]: cannot apply unary operator `-` to type `std::vec::Vec<{integer}>`
[INFO] [stderr]    --> src/main.rs:153:61
[INFO] [stderr]     |
[INFO] [stderr] 153 |         assert_eq!(parse_arguments(negative_number.into()), -negative_number);
[INFO] [stderr]     |                                                             ^^^^^^^^^^^^^^^^ cannot apply unary operator `-`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `&std::vec::Vec<std::string::String>: std::convert::From<std::vec::Vec<{integer}>>` is not satisfied
[INFO] [stderr]    --> src/main.rs:154:36
[INFO] [stderr]     |
[INFO] [stderr] 154 |         assert_eq!(parse_arguments(zero.into()), 1);
[INFO] [stderr]     |                                    ^^^^^^^^^^^ the trait `std::convert::From<std::vec::Vec<{integer}>>` is not implemented for `&std::vec::Vec<std::string::String>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the following implementations were found:
[INFO] [stderr]               <std::vec::Vec<T> as std::convert::From<&[T]>>
[INFO] [stderr]               <std::vec::Vec<T> as std::convert::From<&mut [T]>>
[INFO] [stderr]               <std::vec::Vec<T> as std::convert::From<[T; _]>>
[INFO] [stderr]               <std::vec::Vec<T> as std::convert::From<std::borrow::Cow<'a, [T]>>>
[INFO] [stderr]             and 6 others
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::convert::Into<&std::vec::Vec<std::string::String>>` for `std::vec::Vec<{integer}>`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `&std::vec::Vec<std::string::String>: std::convert::From<std::vec::Vec<{integer}>>` is not satisfied
[INFO] [stderr]    --> src/main.rs:155:36
[INFO] [stderr]     |
[INFO] [stderr] 155 |         assert_eq!(parse_arguments(positive.into()), positive);
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^ the trait `std::convert::From<std::vec::Vec<{integer}>>` is not implemented for `&std::vec::Vec<std::string::String>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the following implementations were found:
[INFO] [stderr]               <std::vec::Vec<T> as std::convert::From<&[T]>>
[INFO] [stderr]               <std::vec::Vec<T> as std::convert::From<&mut [T]>>
[INFO] [stderr]               <std::vec::Vec<T> as std::convert::From<[T; _]>>
[INFO] [stderr]               <std::vec::Vec<T> as std::convert::From<std::borrow::Cow<'a, [T]>>>
[INFO] [stderr]             and 6 others
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::convert::Into<&std::vec::Vec<std::string::String>>` for `std::vec::Vec<{integer}>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/main.rs:155:9
[INFO] [stderr]     |
[INFO] [stderr] 155 |         assert_eq!(parse_arguments(positive.into()), positive);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `u64`, found struct `std::vec::Vec`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `u64`
[INFO] [stderr]              found struct `std::vec::Vec<{integer}>`
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/main.rs:164:30
[INFO] [stderr]     |
[INFO] [stderr] 164 |         assert_eq!(terminate(recv_stop), true);
[INFO] [stderr]     |                              ^^^^^^^^^
[INFO] [stderr]     |                              |
[INFO] [stderr]     |                              expected reference, found struct `std::sync::Arc`
[INFO] [stderr]     |                              help: consider borrowing here: `&recv_stop`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected reference `&std::sync::Arc<std::sync::Mutex<std::sync::mpsc::Receiver<Signals>>>`
[INFO] [stderr]                   found struct `std::sync::Arc<std::sync::Mutex<_>>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 7 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0277, E0308, E0425, E0600.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `token_interview_hw`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "0d32eabc9af10ff974b3e95b3c95c9a27f008cb2cebce5a83336ecac2f164786"`
[INFO] running `"docker" "rm" "-f" "0d32eabc9af10ff974b3e95b3c95c9a27f008cb2cebce5a83336ecac2f164786"`
[INFO] [stdout] 0d32eabc9af10ff974b3e95b3c95c9a27f008cb2cebce5a83336ecac2f164786
