[INFO] cloning repository https://github.com/dmyTRUEk/random-walk-capitalization
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dmyTRUEk/random-walk-capitalization" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdmyTRUEk%2Frandom-walk-capitalization", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdmyTRUEk%2Frandom-walk-capitalization'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eab6264968b83b34d0a910846bbf8c77a1887391
[INFO] checking dmyTRUEk/random-walk-capitalization against try#24e1a22664233bce1f9b5dc6eee7c1f74327e28c for pr-159343
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdmyTRUEk%2Frandom-walk-capitalization" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/dmyTRUEk/random-walk-capitalization
[INFO] finished tweaking git repo https://github.com/dmyTRUEk/random-walk-capitalization
[INFO] tweaked toml for git repo https://github.com/dmyTRUEk/random-walk-capitalization written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dmyTRUEk/random-walk-capitalization on toolchain 24e1a22664233bce1f9b5dc6eee7c1f74327e28c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24e1a22664233bce1f9b5dc6eee7c1f74327e28c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dmyTRUEk/random-walk-capitalization 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" "+24e1a22664233bce1f9b5dc6eee7c1f74327e28c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 55c5be0467ab9d7e8101a0b69e4b338b5a744d8d56052bba4ebc4c4144a4c250
[INFO] running `Command { std: "docker" "start" "55c5be0467ab9d7e8101a0b69e4b338b5a744d8d56052bba4ebc4c4144a4c250", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55c5be0467ab9d7e8101a0b69e4b338b5a744d8d56052bba4ebc4c4144a4c250", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "55c5be0467ab9d7e8101a0b69e4b338b5a744d8d56052bba4ebc4c4144a4c250" "/opt/rustwide/cargo-home/bin/cargo" "+24e1a22664233bce1f9b5dc6eee7c1f74327e28c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55c5be0467ab9d7e8101a0b69e4b338b5a744d8d56052bba4ebc4c4144a4c250", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "55c5be0467ab9d7e8101a0b69e4b338b5a744d8d56052bba4ebc4c4144a4c250" "/opt/rustwide/cargo-home/bin/cargo" "+24e1a22664233bce1f9b5dc6eee7c1f74327e28c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking bytemuck v1.24.0
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling nalgebra-macros v0.3.0
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]     Checking safe_arch v0.7.4
[INFO] [stderr]     Checking wide v0.7.33
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking simba v0.9.1
[INFO] [stderr]     Checking nalgebra v0.34.1
[INFO] [stderr]     Checking random-walk-capitalization v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/main.rs:28:36
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let mut nns: Vec<NeuralNetwork> = Vec::from_fn(
[INFO] [stdout]    |                                       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: call with fully qualified syntax `FromFn::from_fn(...)` to keep using the current method
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] help: add `#![feature(vec_from_fn)]` to the crate attributes to enable `Vec::<T>::from_fn`
[INFO] [stdout]    |
[INFO] [stdout]  3 + #![feature(vec_from_fn)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/main.rs:28:36
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let mut nns: Vec<NeuralNetwork> = Vec::from_fn(
[INFO] [stdout]    |                                       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: call with fully qualified syntax `FromFn::from_fn(...)` to keep using the current method
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] help: add `#![feature(vec_from_fn)]` to the crate attributes to enable `Vec::<T>::from_fn`
[INFO] [stdout]    |
[INFO] [stdout]  3 + #![feature(vec_from_fn)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/main.rs:34:3
[INFO] [stdout]    |
[INFO] [stdout] 34 |         Vec::from_fn(
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: call with fully qualified syntax `FromFn::from_fn(...)` to keep using the current method
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] help: add `#![feature(vec_from_fn)]` to the crate attributes to enable `Vec::<T>::from_fn`
[INFO] [stdout]    |
[INFO] [stdout]  3 + #![feature(vec_from_fn)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/main.rs:34:3
[INFO] [stdout]    |
[INFO] [stdout] 34 |         Vec::from_fn(
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: call with fully qualified syntax `FromFn::from_fn(...)` to keep using the current method
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] help: add `#![feature(vec_from_fn)]` to the crate attributes to enable `Vec::<T>::from_fn`
[INFO] [stdout]    |
[INFO] [stdout]  3 + #![feature(vec_from_fn)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]    --> src/main.rs:259:30
[INFO] [stdout]     |
[INFO] [stdout] 259 |     fn random_evolve(&mut self, rng: &mut ThreadRng) {
[INFO] [stdout]     |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]    --> src/main.rs:259:30
[INFO] [stdout]     |
[INFO] [stdout] 259 |     fn random_evolve(&mut self, rng: &mut ThreadRng) {
[INFO] [stdout]     |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `random_evolve` is never used
[INFO] [stdout]    --> src/main.rs:259:5
[INFO] [stdout]     |
[INFO] [stdout] 221 | impl NeuralNetwork {
[INFO] [stdout]     | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 259 |     fn random_evolve(&mut self, rng: &mut ThreadRng) {
[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 `get_high` and `get_low` are never used
[INFO] [stdout]    --> src/main.rs:318:5
[INFO] [stdout]     |
[INFO] [stdout] 290 | impl Stock {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 318 |     fn get_high(&self, n: u32) -> i32 { *last_fraction(&self.history, n).iter().max().unwrap() }
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 319 |     /// get lowest  in len/2^n last elements
[INFO] [stdout] 320 |     fn get_low (&self, n: u32) -> i32 { *last_fraction(&self.history, n).iter().min().unwrap() }
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `last_fraction` is never used
[INFO] [stdout]    --> src/main.rs:327:4
[INFO] [stdout]     |
[INFO] [stdout] 327 | fn last_fraction<T>(v: &[T], n: u32) -> &[T] {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `min` is never used
[INFO] [stdout]    --> src/main.rs:346:4
[INFO] [stdout]     |
[INFO] [stdout] 346 | fn min(a: float, b: float) -> float { a.min(b) }
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `exp` is never used
[INFO] [stdout]    --> src/main.rs:348:4
[INFO] [stdout]     |
[INFO] [stdout] 348 | fn exp(x: float) -> float { x.exp() }
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `random_evolve` is never used
[INFO] [stdout]    --> src/main.rs:259:5
[INFO] [stdout]     |
[INFO] [stdout] 221 | impl NeuralNetwork {
[INFO] [stdout]     | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 259 |     fn random_evolve(&mut self, rng: &mut ThreadRng) {
[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 `get_high` and `get_low` are never used
[INFO] [stdout]    --> src/main.rs:318:5
[INFO] [stdout]     |
[INFO] [stdout] 290 | impl Stock {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 318 |     fn get_high(&self, n: u32) -> i32 { *last_fraction(&self.history, n).iter().max().unwrap() }
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 319 |     /// get lowest  in len/2^n last elements
[INFO] [stdout] 320 |     fn get_low (&self, n: u32) -> i32 { *last_fraction(&self.history, n).iter().min().unwrap() }
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `last_fraction` is never used
[INFO] [stdout]    --> src/main.rs:327:4
[INFO] [stdout]     |
[INFO] [stdout] 327 | fn last_fraction<T>(v: &[T], n: u32) -> &[T] {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `min` is never used
[INFO] [stdout]    --> src/main.rs:346:4
[INFO] [stdout]     |
[INFO] [stdout] 346 | fn min(a: float, b: float) -> float { a.min(b) }
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `exp` is never used
[INFO] [stdout]    --> src/main.rs:348:4
[INFO] [stdout]     |
[INFO] [stdout] 348 | fn exp(x: float) -> float { x.exp() }
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.07s
[INFO] running `Command { std: "docker" "inspect" "55c5be0467ab9d7e8101a0b69e4b338b5a744d8d56052bba4ebc4c4144a4c250", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55c5be0467ab9d7e8101a0b69e4b338b5a744d8d56052bba4ebc4c4144a4c250", kill_on_drop: false }`
[INFO] [stdout] 55c5be0467ab9d7e8101a0b69e4b338b5a744d8d56052bba4ebc4c4144a4c250
