[INFO] cloning repository https://github.com/Fr-Steduthu/AI
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Fr-Steduthu/AI" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFr-Steduthu%2FAI", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFr-Steduthu%2FAI'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 215ad0b956218cd7dd1c357a991870bcf33bac94
[INFO] checking Fr-Steduthu/AI against try#2b39fe756f52bc2825bf5b2bfc385cab922dae10 for pr-143011
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFr-Steduthu%2FAI" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Fr-Steduthu/AI
[INFO] finished tweaking git repo https://github.com/Fr-Steduthu/AI
[INFO] tweaked toml for git repo https://github.com/Fr-Steduthu/AI written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Fr-Steduthu/AI on toolchain 2b39fe756f52bc2825bf5b2bfc385cab922dae10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Fr-Steduthu/AI 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" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d8c7abec994e555f59529772919b46307cc9df5bfa2b2573f3da6b49dc5e8bb
[INFO] running `Command { std: "docker" "start" "-a" "9d8c7abec994e555f59529772919b46307cc9df5bfa2b2573f3da6b49dc5e8bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d8c7abec994e555f59529772919b46307cc9df5bfa2b2573f3da6b49dc5e8bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d8c7abec994e555f59529772919b46307cc9df5bfa2b2573f3da6b49dc5e8bb", kill_on_drop: false }`
[INFO] [stdout] 9d8c7abec994e555f59529772919b46307cc9df5bfa2b2573f3da6b49dc5e8bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da68282387a527afdfc15808a64834e5d8b35ff1923957136c8ac22b5c82228d
[INFO] running `Command { std: "docker" "start" "-a" "da68282387a527afdfc15808a64834e5d8b35ff1923957136c8ac22b5c82228d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.91
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking AI v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed for `Vec<_>`
[INFO] [stdout]    --> src/neural/networks.rs:319:13
[INFO] [stdout]     |
[INFO] [stdout] 319 |         let mut errors = vec![] ;
[INFO] [stdout]     |             ^^^^^^^^^^   ------ type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] help: consider giving `errors` an explicit type, where the placeholders `_` are specified
[INFO] [stdout]     |
[INFO] [stdout] 319 |         let mut errors: Vec<_> = vec![] ;
[INFO] [stdout]     |                       ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed for `Vec<_>`
[INFO] [stdout]    --> src/neural/networks.rs:319:13
[INFO] [stdout]     |
[INFO] [stdout] 319 |         let mut errors = vec![] ;
[INFO] [stdout]     |             ^^^^^^^^^^   ------ type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] help: consider giving `errors` an explicit type, where the placeholders `_` are specified
[INFO] [stdout]     |
[INFO] [stdout] 319 |         let mut errors: Vec<_> = vec![] ;
[INFO] [stdout]     |                       ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `system_state`
[INFO] [stdout]   --> src/neural/reinforcement.rs:70:33
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn choose_action(&self, system_state: usize) -> usize
[INFO] [stdout]    |                                 ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_system_state`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `agent`
[INFO] [stdout]   --> src/neural/reinforcement.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |     let mut agent = Agent::new(16, 4) ;
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_agent`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `agent_location`
[INFO] [stdout]   --> src/neural/reinforcement.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |     let mut agent_location = (0u8, 0u8) ;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_agent_location`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `recompenses`
[INFO] [stdout]   --> src/neural/reinforcement.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |     let recompenses = |(state_x, state_y): (u8, u8)|
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_recompenses`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `apply_action`
[INFO] [stdout]    --> src/neural/reinforcement.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |     let apply_action = |(state_x, state_y): (&mut u8, &mut u8), action: u8| {
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_apply_action`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/neural/reinforcement.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |     let mut agent = Agent::new(16, 4) ;
[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/neural/reinforcement.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |     let mut agent_location = (0u8, 0u8) ;
[INFO] [stdout]    |         ----^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `system_state`
[INFO] [stdout]   --> src/neural/reinforcement.rs:70:33
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn choose_action(&self, system_state: usize) -> usize
[INFO] [stdout]    |                                 ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_system_state`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `AI` (bin "AI" test) due to 1 previous error; 7 warnings emitted
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `AI` (bin "AI") due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "da68282387a527afdfc15808a64834e5d8b35ff1923957136c8ac22b5c82228d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da68282387a527afdfc15808a64834e5d8b35ff1923957136c8ac22b5c82228d", kill_on_drop: false }`
[INFO] [stdout] da68282387a527afdfc15808a64834e5d8b35ff1923957136c8ac22b5c82228d
