[INFO] cloning repository https://github.com/jawline/mdp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jawline/mdp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjawline%2Fmdp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjawline%2Fmdp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cf4618d31e21c93e57bfc8082970147d3ef1f769
[INFO] testing jawline/mdp against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjawline%2Fmdp" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jawline/mdp on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jawline/mdp
[INFO] finished tweaking git repo https://github.com/jawline/mdp
[INFO] tweaked toml for git repo https://github.com/jawline/mdp written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/jawline/mdp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e906966369ddf2b3c230c3644b8774829dc048c6b0acf919fa42477456b656a
[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" "0e906966369ddf2b3c230c3644b8774829dc048c6b0acf919fa42477456b656a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e906966369ddf2b3c230c3644b8774829dc048c6b0acf919fa42477456b656a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e906966369ddf2b3c230c3644b8774829dc048c6b0acf919fa42477456b656a", kill_on_drop: false }`
[INFO] [stdout] 0e906966369ddf2b3c230c3644b8774829dc048c6b0acf919fa42477456b656a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5eae638b653d295f1c1cc27b4355fbce415a30f28c7748064e9b256d40af892d
[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" "5eae638b653d295f1c1cc27b4355fbce415a30f28c7748064e9b256d40af892d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stderr]    Compiling rand v0.5.4
[INFO] [stderr]    Compiling markov v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/matrix/mod.rs:13:46
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn print_matrix<T: Copy + Display>(mat: &Matrix<T>) {
[INFO] [stdout]    |                                              ^^^^^^^^^ help: use `dyn`: `dyn Matrix<T>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `GreedyAgent`
[INFO] [stdout]   --> src/main.rs:11:27
[INFO] [stdout]    |
[INFO] [stdout] 11 | use strategies::greedy::{ GreedyAgent };
[INFO] [stdout]    |                           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MarkovChainAgent`
[INFO] [stdout]   --> src/main.rs:12:27
[INFO] [stdout]    |
[INFO] [stdout] 12 | use strategies::markov::{ MarkovChainAgent };
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]   --> src/strategies/greedy.rs:15:28
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn select_transfer(&self, from: usize, possible: &Vec<(usize, f32, f32)>) -> Option<usize> {
[INFO] [stdout]    |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `success`
[INFO] [stdout]   --> src/strategies/greedy.rs:26:72
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn select_reward(&self, process: &Process<T>, from: usize, to: usize, success: bool) -> f32 {
[INFO] [stdout]    |                                                                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_success`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `process`
[INFO] [stdout]   --> src/strategies/greedy.rs:32:30
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn punish_action(&mut self, process: &Process<T>, state: &State, from: usize, to: usize, reward: f32, success: bool) {}
[INFO] [stdout]    |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_process`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/strategies/greedy.rs:32:52
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn punish_action(&mut self, process: &Process<T>, state: &State, from: usize, to: usize, reward: f32, success: bool) {}
[INFO] [stdout]    |                                                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]   --> src/strategies/greedy.rs:32:67
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn punish_action(&mut self, process: &Process<T>, state: &State, from: usize, to: usize, reward: f32, success: bool) {}
[INFO] [stdout]    |                                                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `to`
[INFO] [stdout]   --> src/strategies/greedy.rs:32:80
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn punish_action(&mut self, process: &Process<T>, state: &State, from: usize, to: usize, reward: f32, success: bool) {}
[INFO] [stdout]    |                                                                                   ^^ help: if this is intentional, prefix it with an underscore: `_to`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reward`
[INFO] [stdout]   --> src/strategies/greedy.rs:32:91
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn punish_action(&mut self, process: &Process<T>, state: &State, from: usize, to: usize, reward: f32, success: bool) {}
[INFO] [stdout]    |                                                                                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reward`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `success`
[INFO] [stdout]   --> src/strategies/greedy.rs:32:104
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn punish_action(&mut self, process: &Process<T>, state: &State, from: usize, to: usize, reward: f32, success: bool) {}
[INFO] [stdout]    |                                                                                                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_success`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]   --> src/strategies/markov.rs:16:28
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn select_transfer(&self, from: usize, possible: &Vec<(usize, f32, f32)>) -> Option<usize> {
[INFO] [stdout]    |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `success`
[INFO] [stdout]   --> src/strategies/markov.rs:36:72
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn select_reward(&self, process: &Process<T>, from: usize, to: usize, success: bool) -> f32 {
[INFO] [stdout]    |                                                                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_success`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `process`
[INFO] [stdout]   --> src/strategies/markov.rs:42:30
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn punish_action(&mut self, process: &Process<T>, state: &State, from: usize, to: usize, reward: f32, success: bool) {}
[INFO] [stdout]    |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_process`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/strategies/markov.rs:42:52
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn punish_action(&mut self, process: &Process<T>, state: &State, from: usize, to: usize, reward: f32, success: bool) {}
[INFO] [stdout]    |                                                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]   --> src/strategies/markov.rs:42:67
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn punish_action(&mut self, process: &Process<T>, state: &State, from: usize, to: usize, reward: f32, success: bool) {}
[INFO] [stdout]    |                                                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `to`
[INFO] [stdout]   --> src/strategies/markov.rs:42:80
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn punish_action(&mut self, process: &Process<T>, state: &State, from: usize, to: usize, reward: f32, success: bool) {}
[INFO] [stdout]    |                                                                                   ^^ help: if this is intentional, prefix it with an underscore: `_to`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reward`
[INFO] [stdout]   --> src/strategies/markov.rs:42:91
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn punish_action(&mut self, process: &Process<T>, state: &State, from: usize, to: usize, reward: f32, success: bool) {}
[INFO] [stdout]    |                                                                                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reward`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `success`
[INFO] [stdout]   --> src/strategies/markov.rs:42:104
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn punish_action(&mut self, process: &Process<T>, state: &State, from: usize, to: usize, reward: f32, success: bool) {}
[INFO] [stdout]    |                                                                                                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_success`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `process`
[INFO] [stdout]   --> src/strategies/reinforcement/naive.rs:11:25
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn try_transfer(&self, process: &Process<T>, from: usize, to: usize) -> bool {
[INFO] [stdout]    |                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_process`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]   --> src/strategies/reinforcement/naive.rs:11:47
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn try_transfer(&self, process: &Process<T>, from: usize, to: usize) -> bool {
[INFO] [stdout]    |                                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `to`
[INFO] [stdout]   --> src/strategies/reinforcement/naive.rs:11:60
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn try_transfer(&self, process: &Process<T>, from: usize, to: usize) -> bool {
[INFO] [stdout]    |                                                               ^^ help: if this is intentional, prefix it with an underscore: `_to`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `success`
[INFO] [stdout]   --> src/strategies/reinforcement/naive.rs:54:72
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn select_reward(&self, process: &Process<T>, from: usize, to: usize, success: bool) -> f32 {
[INFO] [stdout]    |                                                                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_success`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `process`
[INFO] [stdout]   --> src/strategies/reinforcement/naive.rs:58:30
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn punish_action(&mut self, process: &Process<T>, state: &State, from: usize, to: usize, reward: f32, success: bool) {
[INFO] [stdout]    |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_process`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `success`
[INFO] [stdout]   --> src/strategies/reinforcement/naive.rs:58:104
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn punish_action(&mut self, process: &Process<T>, state: &State, from: usize, to: usize, reward: f32, success: bool) {
[INFO] [stdout]    |                                                                                                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_success`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/matrix/dense.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new(default: T, width: usize, height: usize) -> DenseMatrix<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.13s
[INFO] running `Command { std: "docker" "inspect" "5eae638b653d295f1c1cc27b4355fbce415a30f28c7748064e9b256d40af892d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5eae638b653d295f1c1cc27b4355fbce415a30f28c7748064e9b256d40af892d", kill_on_drop: false }`
[INFO] [stdout] 5eae638b653d295f1c1cc27b4355fbce415a30f28c7748064e9b256d40af892d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e67eea1aea9019d3287a8d3a7cd68e87ba91b7c11570572aa6fbc14dbd689412
[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" "e67eea1aea9019d3287a8d3a7cd68e87ba91b7c11570572aa6fbc14dbd689412", kill_on_drop: false }`
[INFO] [stderr]    Compiling markov v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/matrix/mod.rs:13:46
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn print_matrix<T: Copy + Display>(mat: &Matrix<T>) {
[INFO] [stdout]    |                                              ^^^^^^^^^ help: use `dyn`: `dyn Matrix<T>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `GreedyAgent`
[INFO] [stdout]   --> src/main.rs:11:27
[INFO] [stdout]    |
[INFO] [stdout] 11 | use strategies::greedy::{ GreedyAgent };
[INFO] [stdout]    |                           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MarkovChainAgent`
[INFO] [stdout]   --> src/main.rs:12:27
[INFO] [stdout]    |
[INFO] [stdout] 12 | use strategies::markov::{ MarkovChainAgent };
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]   --> src/strategies/greedy.rs:15:28
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn select_transfer(&self, from: usize, possible: &Vec<(usize, f32, f32)>) -> Option<usize> {
[INFO] [stdout]    |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `success`
[INFO] [stdout]   --> src/strategies/greedy.rs:26:72
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn select_reward(&self, process: &Process<T>, from: usize, to: usize, success: bool) -> f32 {
[INFO] [stdout]    |                                                                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_success`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `process`
[INFO] [stdout]   --> src/strategies/greedy.rs:32:30
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn punish_action(&mut self, process: &Process<T>, state: &State, from: usize, to: usize, reward: f32, success: bool) {}
[INFO] [stdout]    |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_process`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/strategies/greedy.rs:32:52
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn punish_action(&mut self, process: &Process<T>, state: &State, from: usize, to: usize, reward: f32, success: bool) {}
[INFO] [stdout]    |                                                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]   --> src/strategies/greedy.rs:32:67
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn punish_action(&mut self, process: &Process<T>, state: &State, from: usize, to: usize, reward: f32, success: bool) {}
[INFO] [stdout]    |                                                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `to`
[INFO] [stdout]   --> src/strategies/greedy.rs:32:80
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn punish_action(&mut self, process: &Process<T>, state: &State, from: usize, to: usize, reward: f32, success: bool) {}
[INFO] [stdout]    |                                                                                   ^^ help: if this is intentional, prefix it with an underscore: `_to`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reward`
[INFO] [stdout]   --> src/strategies/greedy.rs:32:91
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn punish_action(&mut self, process: &Process<T>, state: &State, from: usize, to: usize, reward: f32, success: bool) {}
[INFO] [stdout]    |                                                                                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reward`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `success`
[INFO] [stdout]   --> src/strategies/greedy.rs:32:104
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn punish_action(&mut self, process: &Process<T>, state: &State, from: usize, to: usize, reward: f32, success: bool) {}
[INFO] [stdout]    |                                                                                                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_success`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]   --> src/strategies/markov.rs:16:28
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn select_transfer(&self, from: usize, possible: &Vec<(usize, f32, f32)>) -> Option<usize> {
[INFO] [stdout]    |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `success`
[INFO] [stdout]   --> src/strategies/markov.rs:36:72
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn select_reward(&self, process: &Process<T>, from: usize, to: usize, success: bool) -> f32 {
[INFO] [stdout]    |                                                                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_success`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `process`
[INFO] [stdout]   --> src/strategies/markov.rs:42:30
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn punish_action(&mut self, process: &Process<T>, state: &State, from: usize, to: usize, reward: f32, success: bool) {}
[INFO] [stdout]    |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_process`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/strategies/markov.rs:42:52
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn punish_action(&mut self, process: &Process<T>, state: &State, from: usize, to: usize, reward: f32, success: bool) {}
[INFO] [stdout]    |                                                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]   --> src/strategies/markov.rs:42:67
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn punish_action(&mut self, process: &Process<T>, state: &State, from: usize, to: usize, reward: f32, success: bool) {}
[INFO] [stdout]    |                                                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `to`
[INFO] [stdout]   --> src/strategies/markov.rs:42:80
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn punish_action(&mut self, process: &Process<T>, state: &State, from: usize, to: usize, reward: f32, success: bool) {}
[INFO] [stdout]    |                                                                                   ^^ help: if this is intentional, prefix it with an underscore: `_to`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reward`
[INFO] [stdout]   --> src/strategies/markov.rs:42:91
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn punish_action(&mut self, process: &Process<T>, state: &State, from: usize, to: usize, reward: f32, success: bool) {}
[INFO] [stdout]    |                                                                                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reward`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `success`
[INFO] [stdout]   --> src/strategies/markov.rs:42:104
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn punish_action(&mut self, process: &Process<T>, state: &State, from: usize, to: usize, reward: f32, success: bool) {}
[INFO] [stdout]    |                                                                                                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_success`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `process`
[INFO] [stdout]   --> src/strategies/reinforcement/naive.rs:11:25
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn try_transfer(&self, process: &Process<T>, from: usize, to: usize) -> bool {
[INFO] [stdout]    |                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_process`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]   --> src/strategies/reinforcement/naive.rs:11:47
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn try_transfer(&self, process: &Process<T>, from: usize, to: usize) -> bool {
[INFO] [stdout]    |                                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `to`
[INFO] [stdout]   --> src/strategies/reinforcement/naive.rs:11:60
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn try_transfer(&self, process: &Process<T>, from: usize, to: usize) -> bool {
[INFO] [stdout]    |                                                               ^^ help: if this is intentional, prefix it with an underscore: `_to`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `success`
[INFO] [stdout]   --> src/strategies/reinforcement/naive.rs:54:72
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn select_reward(&self, process: &Process<T>, from: usize, to: usize, success: bool) -> f32 {
[INFO] [stdout]    |                                                                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_success`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `process`
[INFO] [stdout]   --> src/strategies/reinforcement/naive.rs:58:30
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn punish_action(&mut self, process: &Process<T>, state: &State, from: usize, to: usize, reward: f32, success: bool) {
[INFO] [stdout]    |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_process`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `success`
[INFO] [stdout]   --> src/strategies/reinforcement/naive.rs:58:104
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn punish_action(&mut self, process: &Process<T>, state: &State, from: usize, to: usize, reward: f32, success: bool) {
[INFO] [stdout]    |                                                                                                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_success`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/matrix/dense.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new(default: T, width: usize, height: usize) -> DenseMatrix<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "e67eea1aea9019d3287a8d3a7cd68e87ba91b7c11570572aa6fbc14dbd689412", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e67eea1aea9019d3287a8d3a7cd68e87ba91b7c11570572aa6fbc14dbd689412", kill_on_drop: false }`
[INFO] [stdout] e67eea1aea9019d3287a8d3a7cd68e87ba91b7c11570572aa6fbc14dbd689412
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 092e6f0b6dbd9ff67397108fa6d5998d60469902f2fe7a74c2ffa1ae6664e1ef
[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" "092e6f0b6dbd9ff67397108fa6d5998d60469902f2fe7a74c2ffa1ae6664e1ef", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/matrix/mod.rs:13:46
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 13 | pub fn print_matrix<T: Copy + Display>(mat: &Matrix<T>) {
[INFO] [stdout] 
[INFO] [stderr]    |                                              ^^^^^^^^^ help: use `dyn`: `dyn Matrix<T>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `GreedyAgent`
[INFO] [stderr]   --> src/main.rs:11:27
[INFO] [stderr]    |
[INFO] [stderr] 11 | use strategies::greedy::{ GreedyAgent };
[INFO] [stderr]    |                           ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `MarkovChainAgent`
[INFO] [stderr]   --> src/main.rs:12:27
[INFO] [stderr]    |
[INFO] [stderr] 12 | use strategies::markov::{ MarkovChainAgent };
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `from`
[INFO] [stderr]   --> src/strategies/greedy.rs:15:28
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn select_transfer(&self, from: usize, possible: &Vec<(usize, f32, f32)>) -> Option<usize> {
[INFO] [stderr]    |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `success`
[INFO] [stderr]   --> src/strategies/greedy.rs:26:72
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn select_reward(&self, process: &Process<T>, from: usize, to: usize, success: bool) -> f32 {
[INFO] [stderr]    |                                                                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_success`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `process`
[INFO] [stderr]   --> src/strategies/greedy.rs:32:30
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn punish_action(&mut self, process: &Process<T>, state: &State, from: usize, to: usize, reward: f32, success: bool) {}
[INFO] [stderr]    |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_process`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `state`
[INFO] [stderr]   --> src/strategies/greedy.rs:32:52
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn punish_action(&mut self, process: &Process<T>, state: &State, from: usize, to: usize, reward: f32, success: bool) {}
[INFO] [stderr]    |                                                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `from`
[INFO] [stderr]   --> src/strategies/greedy.rs:32:67
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn punish_action(&mut self, process: &Process<T>, state: &State, from: usize, to: usize, reward: f32, success: bool) {}
[INFO] [stderr]    |                                                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `to`
[INFO] [stderr]   --> src/strategies/greedy.rs:32:80
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn punish_action(&mut self, process: &Process<T>, state: &State, from: usize, to: usize, reward: f32, success: bool) {}
[INFO] [stderr]    |                                                                                   ^^ help: if this is intentional, prefix it with an underscore: `_to`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `reward`
[INFO] [stderr]   --> src/strategies/greedy.rs:32:91
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn punish_action(&mut self, process: &Process<T>, state: &State, from: usize, to: usize, reward: f32, success: bool) {}
[INFO] [stderr]    |                                                                                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reward`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `success`
[INFO] [stderr]   --> src/strategies/greedy.rs:32:104
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn punish_action(&mut self, process: &Process<T>, state: &State, from: usize, to: usize, reward: f32, success: bool) {}
[INFO] [stderr]    |                                                                                                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_success`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `from`
[INFO] [stderr]   --> src/strategies/markov.rs:16:28
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn select_transfer(&self, from: usize, possible: &Vec<(usize, f32, f32)>) -> Option<usize> {
[INFO] [stderr]    |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `success`
[INFO] [stderr]   --> src/strategies/markov.rs:36:72
[INFO] [stderr]    |
[INFO] [stderr] 36 |     fn select_reward(&self, process: &Process<T>, from: usize, to: usize, success: bool) -> f32 {
[INFO] [stderr]    |                                                                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_success`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `process`
[INFO] [stderr]   --> src/strategies/markov.rs:42:30
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn punish_action(&mut self, process: &Process<T>, state: &State, from: usize, to: usize, reward: f32, success: bool) {}
[INFO] [stderr]    |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_process`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `state`
[INFO] [stderr]   --> src/strategies/markov.rs:42:52
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn punish_action(&mut self, process: &Process<T>, state: &State, from: usize, to: usize, reward: f32, success: bool) {}
[INFO] [stderr]    |                                                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `from`
[INFO] [stderr]   --> src/strategies/markov.rs:42:67
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn punish_action(&mut self, process: &Process<T>, state: &State, from: usize, to: usize, reward: f32, success: bool) {}
[INFO] [stderr]    |                                                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `to`
[INFO] [stderr]   --> src/strategies/markov.rs:42:80
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn punish_action(&mut self, process: &Process<T>, state: &State, from: usize, to: usize, reward: f32, success: bool) {}
[INFO] [stderr]    |                                                                                   ^^ help: if this is intentional, prefix it with an underscore: `_to`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `reward`
[INFO] [stderr]   --> src/strategies/markov.rs:42:91
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn punish_action(&mut self, process: &Process<T>, state: &State, from: usize, to: usize, reward: f32, success: bool) {}
[INFO] [stderr]    |                                                                                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reward`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `success`
[INFO] [stderr]   --> src/strategies/markov.rs:42:104
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn punish_action(&mut self, process: &Process<T>, state: &State, from: usize, to: usize, reward: f32, success: bool) {}
[INFO] [stderr]    |                                                                                                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_success`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `process`
[INFO] [stderr]   --> src/strategies/reinforcement/naive.rs:11:25
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn try_transfer(&self, process: &Process<T>, from: usize, to: usize) -> bool {
[INFO] [stderr]    |                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_process`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `from`
[INFO] [stderr]   --> src/strategies/reinforcement/naive.rs:11:47
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn try_transfer(&self, process: &Process<T>, from: usize, to: usize) -> bool {
[INFO] [stderr]    |                                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `to`
[INFO] [stderr]   --> src/strategies/reinforcement/naive.rs:11:60
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn try_transfer(&self, process: &Process<T>, from: usize, to: usize) -> bool {
[INFO] [stderr]    |                                                               ^^ help: if this is intentional, prefix it with an underscore: `_to`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `success`
[INFO] [stderr]   --> src/strategies/reinforcement/naive.rs:54:72
[INFO] [stderr]    |
[INFO] [stderr] 54 |     fn select_reward(&self, process: &Process<T>, from: usize, to: usize, success: bool) -> f32 {
[INFO] [stderr]    |                                                                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_success`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `process`
[INFO] [stderr]   --> src/strategies/reinforcement/naive.rs:58:30
[INFO] [stderr]    |
[INFO] [stderr] 58 |     fn punish_action(&mut self, process: &Process<T>, state: &State, from: usize, to: usize, reward: f32, success: bool) {
[INFO] [stderr]    |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_process`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `success`
[INFO] [stderr]   --> src/strategies/reinforcement/naive.rs:58:104
[INFO] [stderr]    |
[INFO] [stderr] 58 |     fn punish_action(&mut self, process: &Process<T>, state: &State, from: usize, to: usize, reward: f32, success: bool) {
[INFO] [stderr]    |                                                                                                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_success`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/matrix/dense.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn new(default: T, width: usize, height: usize) -> DenseMatrix<T> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 26 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/markov-bb3fe7c0f4fc398e)
[INFO] running `Command { std: "docker" "inspect" "092e6f0b6dbd9ff67397108fa6d5998d60469902f2fe7a74c2ffa1ae6664e1ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "092e6f0b6dbd9ff67397108fa6d5998d60469902f2fe7a74c2ffa1ae6664e1ef", kill_on_drop: false }`
[INFO] [stdout] 092e6f0b6dbd9ff67397108fa6d5998d60469902f2fe7a74c2ffa1ae6664e1ef