[INFO] cloning repository https://github.com/drewstone/rl-hotel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/drewstone/rl-hotel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrewstone%2Frl-hotel", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 229832378e4dc8d93f118cef93f27858c1a49b6e
[INFO] checking drewstone/rl-hotel against master#485ec3fbcc12fa14ef6596dabb125ad710499c9e for pr-157710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrewstone%2Frl-hotel" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/drewstone/rl-hotel
[INFO] finished tweaking git repo https://github.com/drewstone/rl-hotel
[INFO] tweaked toml for git repo https://github.com/drewstone/rl-hotel written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/drewstone/rl-hotel on toolchain 485ec3fbcc12fa14ef6596dabb125ad710499c9e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+485ec3fbcc12fa14ef6596dabb125ad710499c9e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/drewstone/rl-hotel 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" "+485ec3fbcc12fa14ef6596dabb125ad710499c9e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
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[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/hotelling_agent.rs:66:19
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn make_move(mut self, _agent_states: &Matrix, _action_space: &LinearSpace<Interval>) -> Result<Vector, SynthesisError> {
[INFO] [stdout]    |                      ----^^^^
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `UnexpectedNoneType` is never constructed
[INFO] [stdout]   --> src/hotelling_agent.rs:19:2
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub enum SynthesisError {
[INFO] [stdout]    |          -------------- variant in this enum
[INFO] [stdout] 19 |     UnexpectedNoneType,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SynthesisError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/hotelling_agent.rs:25:6
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct HotellingAgent {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 25 |     pub id: u32,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HotellingAgent` 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: associated items `convex_hull` and `process_reward` are never used
[INFO] [stdout]   --> src/hotelling_agent.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl HotellingAgent {
[INFO] [stdout]    | ------------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 70 |     pub fn convex_hull(self, _new_agent_states: &Matrix, _action_space: &LinearSpace<Interval>) -> Result<(), SynthesisError> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75 |     pub fn process_reward() -> Result<(), SynthesisError> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/hotelling_agent.rs:66:19
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn make_move(mut self, _agent_states: &Matrix, _action_space: &LinearSpace<Interval>) -> Result<Vector, SynthesisError> {
[INFO] [stdout]    |                      ----^^^^
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `num_agents` is never read
[INFO] [stdout]   --> src/simulation.rs:14:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Simulation {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub num_agents: u32,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Simulation` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OneD` is never constructed
[INFO] [stdout]   --> src/simulation.rs:21:2
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub enum Dimensions {
[INFO] [stdout]    |          ---------- variant in this enum
[INFO] [stdout] 21 |     OneD,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Dimensions` 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: variants `Simple` and `Unknown` are never constructed
[INFO] [stdout]   --> src/hotelling_agent.rs:12:2
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum HotellingAgentType {
[INFO] [stdout]    |          ------------------ variants in this enum
[INFO] [stdout] 12 |     Simple,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 13 |     Random,
[INFO] [stdout] 14 |     Unknown,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HotellingAgentType` 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: variant `UnexpectedNoneType` is never constructed
[INFO] [stdout]   --> src/hotelling_agent.rs:19:2
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub enum SynthesisError {
[INFO] [stdout]    |          -------------- variant in this enum
[INFO] [stdout] 19 |     UnexpectedNoneType,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SynthesisError` 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: field `id` is never read
[INFO] [stdout]   --> src/hotelling_agent.rs:25:6
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct HotellingAgent {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 25 |     pub id: u32,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HotellingAgent` 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: associated items `convex_hull` and `process_reward` are never used
[INFO] [stdout]   --> src/hotelling_agent.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl HotellingAgent {
[INFO] [stdout]    | ------------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 70 |     pub fn convex_hull(self, _new_agent_states: &Matrix, _action_space: &LinearSpace<Interval>) -> Result<(), SynthesisError> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75 |     pub fn process_reward() -> Result<(), SynthesisError> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.79s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.9
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "14a626d3da77ff632b2be4c6ec42711755d71bb2500e677d64518a4e44b30a2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14a626d3da77ff632b2be4c6ec42711755d71bb2500e677d64518a4e44b30a2f", kill_on_drop: false }`
[INFO] [stdout] 14a626d3da77ff632b2be4c6ec42711755d71bb2500e677d64518a4e44b30a2f
