[INFO] cloning repository https://github.com/Eelishz/symreg-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Eelishz/symreg-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEelishz%2Fsymreg-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEelishz%2Fsymreg-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 509ff009a82267f32dccef15895366e3b2a08472
[INFO] checking Eelishz/symreg-rs against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEelishz%2Fsymreg-rs" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Eelishz/symreg-rs
[INFO] finished tweaking git repo https://github.com/Eelishz/symreg-rs
[INFO] tweaked toml for git repo https://github.com/Eelishz/symreg-rs written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Eelishz/symreg-rs on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Eelishz/symreg-rs 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 992532a82a74971c40c6c21d152385e6126e20ef52900c6a439a40446917e1e7
[INFO] running `Command { std: "docker" "start" "-a" "992532a82a74971c40c6c21d152385e6126e20ef52900c6a439a40446917e1e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "992532a82a74971c40c6c21d152385e6126e20ef52900c6a439a40446917e1e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "992532a82a74971c40c6c21d152385e6126e20ef52900c6a439a40446917e1e7", kill_on_drop: false }`
[INFO] [stdout] 992532a82a74971c40c6c21d152385e6126e20ef52900c6a439a40446917e1e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7144d552bd8c169ce298bf163137678f987cd71a8eab1b5a3b61feb553ae8adc
[INFO] running `Command { std: "docker" "start" "-a" "7144d552bd8c169ce298bf163137678f987cd71a8eab1b5a3b61feb553ae8adc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling portable-atomic v1.8.0
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking unicode-width v0.1.14
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rayon v1.10.0
[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 indicatif v0.17.8
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking symreg-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Vec2d`
[INFO] [stdout]  --> src/main.rs:7:30
[INFO] [stdout]   |
[INFO] [stdout] 7 | use vec2d::{categorize_cols, Vec2d};
[INFO] [stdout]   |                              ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Vec2d`
[INFO] [stdout]  --> src/main.rs:7:30
[INFO] [stdout]   |
[INFO] [stdout] 7 | use vec2d::{categorize_cols, Vec2d};
[INFO] [stdout]   |                              ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `categorize_cols` is never used
[INFO] [stdout]   --> src/dataloader.rs:96:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl DataLoader {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 96 |     pub fn categorize_cols(&self) -> Vec2d<f64> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `evaluate` and `eval` are never used
[INFO] [stdout]   --> src/expr.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 65 | impl Expr {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 74 |     pub fn evaluate(&self, inputs: &[f64]) -> f64 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     fn eval(&self, node: usize, inputs: &[f64]) -> f64 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mae` is never used
[INFO] [stdout]  --> src/metrics.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn mae(y_pred: &Vec<f64>, y_true: &Vec<f64>) -> f64 {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `naive_montecarlo` is never used
[INFO] [stdout]   --> src/optimizer.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn naive_montecarlo(iterations: usize, x: Vec2d<f64>, y: Vec<f64>) -> (f64, Expr) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `default` is never used
[INFO] [stdout]   --> src/optimizer.rs:64:12
[INFO] [stdout]    |
[INFO] [stdout] 63 | impl GeneticParameters {
[INFO] [stdout]    | ---------------------- associated function in this implementation
[INFO] [stdout] 64 |     pub fn default() -> GeneticParameters {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Iter` is never constructed
[INFO] [stdout]  --> src/vec2d.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Iter<T> {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/vec2d.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl<T> Iter<T> {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 10 |     pub fn new(container: Vec2d<T>) -> Iter<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `idx`, `push`, `pop`, `into_iter`, and `split_left` are never used
[INFO] [stdout]    --> src/vec2d.rs:38:12
[INFO] [stdout]     |
[INFO] [stdout]  30 | impl<T: Copy> Vec2d<T> {
[INFO] [stdout]     | ---------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  38 |     pub fn idx(&self, row: usize, col: usize) -> T {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  72 |     pub fn push(&mut self, item: T) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout]  76 |     pub fn pop(&mut self) -> Option<T> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  97 |     pub fn into_iter(&self) -> Iter<T> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 118 |     pub fn split_left(&self) -> (Vec<T>, Vec2d<T>) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print_head` is never used
[INFO] [stdout]    --> src/vec2d.rs:137:12
[INFO] [stdout]     |
[INFO] [stdout] 136 | impl<T: Copy + std::fmt::Debug> Vec2d<T> {
[INFO] [stdout]     | ---------------------------------------- method in this implementation
[INFO] [stdout] 137 |     pub fn print_head(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/vm.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | enum Op {
[INFO] [stdout]    |      -- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 38 |     Dup, // Duplicate top of stack
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     Jmp(usize), // Jump, uncoditional
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 43 |     Je(usize),  // Jump if top of stack is zero
[INFO] [stdout]    |     ^^
[INFO] [stdout] 44 |     Jne(usize), // Jump if top of stack not zero
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 45 |     Js(usize),  // Jump if top of stack negative
[INFO] [stdout]    |     ^^
[INFO] [stdout] 46 |     Jns(usize), // Jump if top of stack not negative
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 47 |     Label,      // Label for jumping
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Op` 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: method `categorize_cols` is never used
[INFO] [stdout]   --> src/dataloader.rs:96:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl DataLoader {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 96 |     pub fn categorize_cols(&self) -> Vec2d<f64> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mae` is never used
[INFO] [stdout]  --> src/metrics.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn mae(y_pred: &Vec<f64>, y_true: &Vec<f64>) -> f64 {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `naive_montecarlo` is never used
[INFO] [stdout]   --> src/optimizer.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn naive_montecarlo(iterations: usize, x: Vec2d<f64>, y: Vec<f64>) -> (f64, Expr) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `default` is never used
[INFO] [stdout]   --> src/optimizer.rs:64:12
[INFO] [stdout]    |
[INFO] [stdout] 63 | impl GeneticParameters {
[INFO] [stdout]    | ---------------------- associated function in this implementation
[INFO] [stdout] 64 |     pub fn default() -> GeneticParameters {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Iter` is never constructed
[INFO] [stdout]  --> src/vec2d.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Iter<T> {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/vec2d.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl<T> Iter<T> {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 10 |     pub fn new(container: Vec2d<T>) -> Iter<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `idx`, `push`, `pop`, `into_iter`, and `split_left` are never used
[INFO] [stdout]    --> src/vec2d.rs:38:12
[INFO] [stdout]     |
[INFO] [stdout]  30 | impl<T: Copy> Vec2d<T> {
[INFO] [stdout]     | ---------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  38 |     pub fn idx(&self, row: usize, col: usize) -> T {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  72 |     pub fn push(&mut self, item: T) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout]  76 |     pub fn pop(&mut self) -> Option<T> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  97 |     pub fn into_iter(&self) -> Iter<T> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 118 |     pub fn split_left(&self) -> (Vec<T>, Vec2d<T>) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print_head` is never used
[INFO] [stdout]    --> src/vec2d.rs:137:12
[INFO] [stdout]     |
[INFO] [stdout] 136 | impl<T: Copy + std::fmt::Debug> Vec2d<T> {
[INFO] [stdout]     | ---------------------------------------- method in this implementation
[INFO] [stdout] 137 |     pub fn print_head(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/vm.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | enum Op {
[INFO] [stdout]    |      -- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 38 |     Dup, // Duplicate top of stack
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     Jmp(usize), // Jump, uncoditional
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 43 |     Je(usize),  // Jump if top of stack is zero
[INFO] [stdout]    |     ^^
[INFO] [stdout] 44 |     Jne(usize), // Jump if top of stack not zero
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 45 |     Js(usize),  // Jump if top of stack negative
[INFO] [stdout]    |     ^^
[INFO] [stdout] 46 |     Jns(usize), // Jump if top of stack not negative
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 47 |     Label,      // Label for jumping
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Op` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.04s
[INFO] running `Command { std: "docker" "inspect" "7144d552bd8c169ce298bf163137678f987cd71a8eab1b5a3b61feb553ae8adc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7144d552bd8c169ce298bf163137678f987cd71a8eab1b5a3b61feb553ae8adc", kill_on_drop: false }`
[INFO] [stdout] 7144d552bd8c169ce298bf163137678f987cd71a8eab1b5a3b61feb553ae8adc
