[INFO] cloning repository https://github.com/physics515/simple-ai
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/physics515/simple-ai" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphysics515%2Fsimple-ai", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphysics515%2Fsimple-ai'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 98784419680faadcb015606b010c9cea236c4f4d
[INFO] building physics515/simple-ai against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphysics515%2Fsimple-ai" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/physics515/simple-ai on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/physics515/simple-ai
[INFO] finished tweaking git repo https://github.com/physics515/simple-ai
[INFO] tweaked toml for git repo https://github.com/physics515/simple-ai written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/physics515/simple-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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libm v0.2.7
[INFO] [stderr]   Downloaded bigdecimal v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3d8705839d5bf9f6ad31d9be30851263637177e40851e4f55b12547bda24d4f
[INFO] running `Command { std: "docker" "start" "-a" "c3d8705839d5bf9f6ad31d9be30851263637177e40851e4f55b12547bda24d4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3d8705839d5bf9f6ad31d9be30851263637177e40851e4f55b12547bda24d4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3d8705839d5bf9f6ad31d9be30851263637177e40851e4f55b12547bda24d4f", kill_on_drop: false }`
[INFO] [stdout] c3d8705839d5bf9f6ad31d9be30851263637177e40851e4f55b12547bda24d4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae2081c4d350685714d15ae02a9a53a222b2049ead370439b6f285dd5cfd5aa7
[INFO] running `Command { std: "docker" "start" "-a" "ae2081c4d350685714d15ae02a9a53a222b2049ead370439b6f285dd5cfd5aa7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling libm v0.2.7
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling getrandom v0.2.9
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling bigdecimal v0.3.1
[INFO] [stderr]    Compiling simple-ai v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `bigdecimal::ToPrimitive`
[INFO] [stdout]  --> src/ai.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use bigdecimal::ToPrimitive;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_neurons_fired`
[INFO] [stdout]   --> src/ai.rs:58:25
[INFO] [stdout]    |
[INFO] [stdout] 58 |                 let mut last_neurons_fired: [bool; COUNT];
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_neurons_fired`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `run_count` is assigned to, but never used
[INFO] [stdout]   --> src/ai.rs:62:25
[INFO] [stdout]    |
[INFO] [stdout] 62 |                 let mut run_count = 0;
[INFO] [stdout]    |                         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_run_count` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dataset`
[INFO] [stdout]    --> src/ai.rs:127:26
[INFO] [stdout]     |
[INFO] [stdout] 127 |     pub fn train(&mut self, dataset: Vec<(BigDecimal, BigDecimal)>) {
[INFO] [stdout]     |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dataset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.26s
[INFO] running `Command { std: "docker" "inspect" "ae2081c4d350685714d15ae02a9a53a222b2049ead370439b6f285dd5cfd5aa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae2081c4d350685714d15ae02a9a53a222b2049ead370439b6f285dd5cfd5aa7", kill_on_drop: false }`
[INFO] [stdout] ae2081c4d350685714d15ae02a9a53a222b2049ead370439b6f285dd5cfd5aa7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34f4d8735d1cac6f805e8ab9634dcd9f75d01f0b7581a015772193f465b64c32
[INFO] running `Command { std: "docker" "start" "-a" "34f4d8735d1cac6f805e8ab9634dcd9f75d01f0b7581a015772193f465b64c32", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple-ai v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `bigdecimal::ToPrimitive`
[INFO] [stdout]  --> src/ai.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use bigdecimal::ToPrimitive;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_neurons_fired`
[INFO] [stdout]   --> src/ai.rs:58:25
[INFO] [stdout]    |
[INFO] [stdout] 58 |                 let mut last_neurons_fired: [bool; COUNT];
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_neurons_fired`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `run_count` is assigned to, but never used
[INFO] [stdout]   --> src/ai.rs:62:25
[INFO] [stdout]    |
[INFO] [stdout] 62 |                 let mut run_count = 0;
[INFO] [stdout]    |                         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_run_count` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dataset`
[INFO] [stdout]    --> src/ai.rs:127:26
[INFO] [stdout]     |
[INFO] [stdout] 127 |     pub fn train(&mut self, dataset: Vec<(BigDecimal, BigDecimal)>) {
[INFO] [stdout]     |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dataset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "34f4d8735d1cac6f805e8ab9634dcd9f75d01f0b7581a015772193f465b64c32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34f4d8735d1cac6f805e8ab9634dcd9f75d01f0b7581a015772193f465b64c32", kill_on_drop: false }`
[INFO] [stdout] 34f4d8735d1cac6f805e8ab9634dcd9f75d01f0b7581a015772193f465b64c32