[INFO] updating cached repository k0nserv/rust-nn
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/k0nserv/rust-nn
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/k0nserv/rust-nn" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/k0nserv/rust-nn"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/k0nserv/rust-nn'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/k0nserv/rust-nn" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/k0nserv/rust-nn"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/k0nserv/rust-nn'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0f5f38def009757c52688f9022f44c0a99e776af
[INFO] sha for GitHub repo k0nserv/rust-nn: 0f5f38def009757c52688f9022f44c0a99e776af
[INFO] validating manifest of k0nserv/rust-nn on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of k0nserv/rust-nn on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing k0nserv/rust-nn
[INFO] finished frobbing k0nserv/rust-nn
[INFO] frobbed toml for k0nserv/rust-nn written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/k0nserv/rust-nn/Cargo.toml
[INFO] started frobbing k0nserv/rust-nn
[INFO] finished frobbing k0nserv/rust-nn
[INFO] frobbed toml for k0nserv/rust-nn written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/k0nserv/rust-nn/Cargo.toml
[INFO] crate k0nserv/rust-nn already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking k0nserv/rust-nn against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-2/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/k0nserv/rust-nn:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3102c95e8e58a11a548b309d39325d68e15f1b2eddf78c46564e21571fd71604
[INFO] running `"docker" "start" "-a" "3102c95e8e58a11a548b309d39325d68e15f1b2eddf78c46564e21571fd71604"`
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking csv-core v0.1.4
[INFO] [stderr]     Checking csv v1.0.0
[INFO] [stderr]     Checking rust-nn v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::process`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::process;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::fmt;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:43:33
[INFO] [stderr]     |
[INFO] [stderr] 43  |               fn apply(&self, f: &Fn(f32) -> f32) -> Self {
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32) -> f32`
[INFO] [stderr] ...
[INFO] [stderr] 417 | / network!{
[INFO] [stderr] 418 | |     name: my_network,
[INFO] [stderr] 419 | |     input: {
[INFO] [stderr] 420 | |         nodes: 4,
[INFO] [stderr] ...   |
[INFO] [stderr] 428 | |     }
[INFO] [stderr] 429 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:43:33
[INFO] [stderr]     |
[INFO] [stderr] 43  |               fn apply(&self, f: &Fn(f32) -> f32) -> Self {
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32) -> f32`
[INFO] [stderr] ...
[INFO] [stderr] 417 | / network!{
[INFO] [stderr] 418 | |     name: my_network,
[INFO] [stderr] 419 | |     input: {
[INFO] [stderr] 420 | |         nodes: 4,
[INFO] [stderr] ...   |
[INFO] [stderr] 428 | |     }
[INFO] [stderr] 429 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:43:33
[INFO] [stderr]     |
[INFO] [stderr] 43  |               fn apply(&self, f: &Fn(f32) -> f32) -> Self {
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32) -> f32`
[INFO] [stderr] ...
[INFO] [stderr] 417 | / network!{
[INFO] [stderr] 418 | |     name: my_network,
[INFO] [stderr] 419 | |     input: {
[INFO] [stderr] 420 | |         nodes: 4,
[INFO] [stderr] ...   |
[INFO] [stderr] 428 | |     }
[INFO] [stderr] 429 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:43:33
[INFO] [stderr]     |
[INFO] [stderr] 43  |               fn apply(&self, f: &Fn(f32) -> f32) -> Self {
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32) -> f32`
[INFO] [stderr] ...
[INFO] [stderr] 417 | / network!{
[INFO] [stderr] 418 | |     name: my_network,
[INFO] [stderr] 419 | |     input: {
[INFO] [stderr] 420 | |         nodes: 4,
[INFO] [stderr] ...   |
[INFO] [stderr] 428 | |     }
[INFO] [stderr] 429 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:43:33
[INFO] [stderr]     |
[INFO] [stderr] 43  |               fn apply(&self, f: &Fn(f32) -> f32) -> Self {
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32) -> f32`
[INFO] [stderr] ...
[INFO] [stderr] 417 | / network!{
[INFO] [stderr] 418 | |     name: my_network,
[INFO] [stderr] 419 | |     input: {
[INFO] [stderr] 420 | |         nodes: 4,
[INFO] [stderr] ...   |
[INFO] [stderr] 428 | |     }
[INFO] [stderr] 429 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:43:33
[INFO] [stderr]     |
[INFO] [stderr] 43  |               fn apply(&self, f: &Fn(f32) -> f32) -> Self {
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32) -> f32`
[INFO] [stderr] ...
[INFO] [stderr] 417 | / network!{
[INFO] [stderr] 418 | |     name: my_network,
[INFO] [stderr] 419 | |     input: {
[INFO] [stderr] 420 | |         nodes: 4,
[INFO] [stderr] ...   |
[INFO] [stderr] 428 | |     }
[INFO] [stderr] 429 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:43:33
[INFO] [stderr]     |
[INFO] [stderr] 43  |               fn apply(&self, f: &Fn(f32) -> f32) -> Self {
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32) -> f32`
[INFO] [stderr] ...
[INFO] [stderr] 417 | / network!{
[INFO] [stderr] 418 | |     name: my_network,
[INFO] [stderr] 419 | |     input: {
[INFO] [stderr] 420 | |         nodes: 4,
[INFO] [stderr] ...   |
[INFO] [stderr] 428 | |     }
[INFO] [stderr] 429 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:43:33
[INFO] [stderr]     |
[INFO] [stderr] 43  |               fn apply(&self, f: &Fn(f32) -> f32) -> Self {
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32) -> f32`
[INFO] [stderr] ...
[INFO] [stderr] 417 | / network!{
[INFO] [stderr] 418 | |     name: my_network,
[INFO] [stderr] 419 | |     input: {
[INFO] [stderr] 420 | |         nodes: 4,
[INFO] [stderr] ...   |
[INFO] [stderr] 428 | |     }
[INFO] [stderr] 429 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:43:33
[INFO] [stderr]     |
[INFO] [stderr] 43  |               fn apply(&self, f: &Fn(f32) -> f32) -> Self {
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32) -> f32`
[INFO] [stderr] ...
[INFO] [stderr] 417 | / network!{
[INFO] [stderr] 418 | |     name: my_network,
[INFO] [stderr] 419 | |     input: {
[INFO] [stderr] 420 | |         nodes: 4,
[INFO] [stderr] ...   |
[INFO] [stderr] 428 | |     }
[INFO] [stderr] 429 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:450:44
[INFO] [stderr]     |
[INFO] [stderr] 450 | fn read_data() -> Result<Vec<Example>, Box<Error>> {
[INFO] [stderr]     |                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:482:29
[INFO] [stderr]     |
[INFO] [stderr] 482 | fn main() -> Result<(), Box<Error>> {
[INFO] [stderr]     |                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::process`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::process;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::fmt;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:43:33
[INFO] [stderr]     |
[INFO] [stderr] 43  |               fn apply(&self, f: &Fn(f32) -> f32) -> Self {
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32) -> f32`
[INFO] [stderr] ...
[INFO] [stderr] 417 | / network!{
[INFO] [stderr] 418 | |     name: my_network,
[INFO] [stderr] 419 | |     input: {
[INFO] [stderr] 420 | |         nodes: 4,
[INFO] [stderr] ...   |
[INFO] [stderr] 428 | |     }
[INFO] [stderr] 429 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:43:33
[INFO] [stderr]     |
[INFO] [stderr] 43  |               fn apply(&self, f: &Fn(f32) -> f32) -> Self {
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32) -> f32`
[INFO] [stderr] ...
[INFO] [stderr] 417 | / network!{
[INFO] [stderr] 418 | |     name: my_network,
[INFO] [stderr] 419 | |     input: {
[INFO] [stderr] 420 | |         nodes: 4,
[INFO] [stderr] ...   |
[INFO] [stderr] 428 | |     }
[INFO] [stderr] 429 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:43:33
[INFO] [stderr]     |
[INFO] [stderr] 43  |               fn apply(&self, f: &Fn(f32) -> f32) -> Self {
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32) -> f32`
[INFO] [stderr] ...
[INFO] [stderr] 417 | / network!{
[INFO] [stderr] 418 | |     name: my_network,
[INFO] [stderr] 419 | |     input: {
[INFO] [stderr] 420 | |         nodes: 4,
[INFO] [stderr] ...   |
[INFO] [stderr] 428 | |     }
[INFO] [stderr] 429 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:43:33
[INFO] [stderr]     |
[INFO] [stderr] 43  |               fn apply(&self, f: &Fn(f32) -> f32) -> Self {
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32) -> f32`
[INFO] [stderr] ...
[INFO] [stderr] 417 | / network!{
[INFO] [stderr] 418 | |     name: my_network,
[INFO] [stderr] 419 | |     input: {
[INFO] [stderr] 420 | |         nodes: 4,
[INFO] [stderr] ...   |
[INFO] [stderr] 428 | |     }
[INFO] [stderr] 429 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:43:33
[INFO] [stderr]     |
[INFO] [stderr] 43  |               fn apply(&self, f: &Fn(f32) -> f32) -> Self {
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32) -> f32`
[INFO] [stderr] ...
[INFO] [stderr] 417 | / network!{
[INFO] [stderr] 418 | |     name: my_network,
[INFO] [stderr] 419 | |     input: {
[INFO] [stderr] 420 | |         nodes: 4,
[INFO] [stderr] ...   |
[INFO] [stderr] 428 | |     }
[INFO] [stderr] 429 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:43:33
[INFO] [stderr]     |
[INFO] [stderr] 43  |               fn apply(&self, f: &Fn(f32) -> f32) -> Self {
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32) -> f32`
[INFO] [stderr] ...
[INFO] [stderr] 417 | / network!{
[INFO] [stderr] 418 | |     name: my_network,
[INFO] [stderr] 419 | |     input: {
[INFO] [stderr] 420 | |         nodes: 4,
[INFO] [stderr] ...   |
[INFO] [stderr] 428 | |     }
[INFO] [stderr] 429 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:43:33
[INFO] [stderr]     |
[INFO] [stderr] 43  |               fn apply(&self, f: &Fn(f32) -> f32) -> Self {
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32) -> f32`
[INFO] [stderr] ...
[INFO] [stderr] 417 | / network!{
[INFO] [stderr] 418 | |     name: my_network,
[INFO] [stderr] 419 | |     input: {
[INFO] [stderr] 420 | |         nodes: 4,
[INFO] [stderr] ...   |
[INFO] [stderr] 428 | |     }
[INFO] [stderr] 429 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:43:33
[INFO] [stderr]     |
[INFO] [stderr] 43  |               fn apply(&self, f: &Fn(f32) -> f32) -> Self {
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32) -> f32`
[INFO] [stderr] ...
[INFO] [stderr] 417 | / network!{
[INFO] [stderr] 418 | |     name: my_network,
[INFO] [stderr] 419 | |     input: {
[INFO] [stderr] 420 | |         nodes: 4,
[INFO] [stderr] ...   |
[INFO] [stderr] 428 | |     }
[INFO] [stderr] 429 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:43:33
[INFO] [stderr]     |
[INFO] [stderr] 43  |               fn apply(&self, f: &Fn(f32) -> f32) -> Self {
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32) -> f32`
[INFO] [stderr] ...
[INFO] [stderr] 417 | / network!{
[INFO] [stderr] 418 | |     name: my_network,
[INFO] [stderr] 419 | |     input: {
[INFO] [stderr] 420 | |         nodes: 4,
[INFO] [stderr] ...   |
[INFO] [stderr] 428 | |     }
[INFO] [stderr] 429 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:450:44
[INFO] [stderr]     |
[INFO] [stderr] 450 | fn read_data() -> Result<Vec<Example>, Box<Error>> {
[INFO] [stderr]     |                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:482:29
[INFO] [stderr]     |
[INFO] [stderr] 482 | fn main() -> Result<(), Box<Error>> {
[INFO] [stderr]     |                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `get_value` as mutable, as it is not declared as mutable
[INFO] [stderr]    --> src/main.rs:469:67
[INFO] [stderr]     |
[INFO] [stderr] 467 | fn normalize_by<T, F>(values: &mut [T], get_value: F) where F: FnMut(&mut T) -> &mut f32, {
[INFO] [stderr]     |                                         --------- help: consider changing this to be mutable: `mut get_value`
[INFO] [stderr] 468 |     let max = {
[INFO] [stderr] 469 |         get_value(values.iter_mut().max_by(|ref mut a, ref mut b| get_value(a).partial_cmp(&get_value(b)).unwrap()).unwrap())
[INFO] [stderr]     |                                                                   ^^^^^^^^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `***a` as mutable, as it is behind a `&` reference
[INFO] [stderr]    --> src/main.rs:469:77
[INFO] [stderr]     |
[INFO] [stderr] 469 |         get_value(values.iter_mut().max_by(|ref mut a, ref mut b| get_value(a).partial_cmp(&get_value(b)).unwrap()).unwrap())
[INFO] [stderr]     |                                                                             ^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `get_value` as mutable, as it is not declared as mutable
[INFO] [stderr]    --> src/main.rs:469:93
[INFO] [stderr]     |
[INFO] [stderr] 467 | fn normalize_by<T, F>(values: &mut [T], get_value: F) where F: FnMut(&mut T) -> &mut f32, {
[INFO] [stderr]     |                                         --------- help: consider changing this to be mutable: `mut get_value`
[INFO] [stderr] 468 |     let max = {
[INFO] [stderr] 469 |         get_value(values.iter_mut().max_by(|ref mut a, ref mut b| get_value(a).partial_cmp(&get_value(b)).unwrap()).unwrap())
[INFO] [stderr]     |                                                                                             ^^^^^^^^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `***b` as mutable, as it is behind a `&` reference
[INFO] [stderr]    --> src/main.rs:469:103
[INFO] [stderr]     |
[INFO] [stderr] 469 |         get_value(values.iter_mut().max_by(|ref mut a, ref mut b| get_value(a).partial_cmp(&get_value(b)).unwrap()).unwrap())
[INFO] [stderr]     |                                                                                                       ^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `get_value` as mutable, as it is not declared as mutable
[INFO] [stderr]    --> src/main.rs:472:67
[INFO] [stderr]     |
[INFO] [stderr] 467 | fn normalize_by<T, F>(values: &mut [T], get_value: F) where F: FnMut(&mut T) -> &mut f32, {
[INFO] [stderr]     |                                         --------- help: consider changing this to be mutable: `mut get_value`
[INFO] [stderr] ...
[INFO] [stderr] 472 |         get_value(values.iter_mut().min_by(|ref mut a, ref mut b| get_value(a).partial_cmp(&get_value(b)).unwrap()).unwrap())
[INFO] [stderr]     |                                                                   ^^^^^^^^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `***a` as mutable, as it is behind a `&` reference
[INFO] [stderr]    --> src/main.rs:472:77
[INFO] [stderr]     |
[INFO] [stderr] 472 |         get_value(values.iter_mut().min_by(|ref mut a, ref mut b| get_value(a).partial_cmp(&get_value(b)).unwrap()).unwrap())
[INFO] [stderr]     |                                                                             ^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `get_value` as mutable, as it is not declared as mutable
[INFO] [stderr]    --> src/main.rs:472:93
[INFO] [stderr]     |
[INFO] [stderr] 467 | fn normalize_by<T, F>(values: &mut [T], get_value: F) where F: FnMut(&mut T) -> &mut f32, {
[INFO] [stderr]     |                                         --------- help: consider changing this to be mutable: `mut get_value`
[INFO] [stderr] ...
[INFO] [stderr] 472 |         get_value(values.iter_mut().min_by(|ref mut a, ref mut b| get_value(a).partial_cmp(&get_value(b)).unwrap()).unwrap())
[INFO] [stderr]     |                                                                                             ^^^^^^^^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `***b` as mutable, as it is behind a `&` reference
[INFO] [stderr]    --> src/main.rs:472:103
[INFO] [stderr]     |
[INFO] [stderr] 472 |         get_value(values.iter_mut().min_by(|ref mut a, ref mut b| get_value(a).partial_cmp(&get_value(b)).unwrap()).unwrap())
[INFO] [stderr]     |                                                                                                       ^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `get_value` as mutable, as it is not declared as mutable
[INFO] [stderr]    --> src/main.rs:476:21
[INFO] [stderr]     |
[INFO] [stderr] 467 | fn normalize_by<T, F>(values: &mut [T], get_value: F) where F: FnMut(&mut T) -> &mut f32, {
[INFO] [stderr]     |                                         --------- help: consider changing this to be mutable: `mut get_value`
[INFO] [stderr] ...
[INFO] [stderr] 476 |         let value = get_value(a);
[INFO] [stderr]     |                     ^^^^^^^^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `get_value` as mutable, as it is not declared as mutable
[INFO] [stderr]    --> src/main.rs:469:9
[INFO] [stderr]     |
[INFO] [stderr] 467 | fn normalize_by<T, F>(values: &mut [T], get_value: F) where F: FnMut(&mut T) -> &mut f32, {
[INFO] [stderr]     |                                         --------- help: consider changing this to be mutable: `mut get_value`
[INFO] [stderr] 468 |     let max = {
[INFO] [stderr] 469 |         get_value(values.iter_mut().max_by(|ref mut a, ref mut b| get_value(a).partial_cmp(&get_value(b)).unwrap()).unwrap())
[INFO] [stderr]     |         ^^^^^^^^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0500]: closure requires unique access to `get_value` but it is already borrowed
[INFO] [stderr]    --> src/main.rs:469:44
[INFO] [stderr]     |
[INFO] [stderr] 469 |         get_value(values.iter_mut().max_by(|ref mut a, ref mut b| get_value(a).partial_cmp(&get_value(b)).unwrap()).unwrap())
[INFO] [stderr]     |         ---------                          ^^^^^^^^^^^^^^^^^^^^^^ --------- second borrow occurs due to use of `get_value` in closure
[INFO] [stderr]     |         |                                  |
[INFO] [stderr]     |         |                                  closure construction occurs here
[INFO] [stderr]     |         borrow occurs here
[INFO] [stderr]     |         first borrow later used by call
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `get_value` as mutable, as it is not declared as mutable
[INFO] [stderr]    --> src/main.rs:472:9
[INFO] [stderr]     |
[INFO] [stderr] 467 | fn normalize_by<T, F>(values: &mut [T], get_value: F) where F: FnMut(&mut T) -> &mut f32, {
[INFO] [stderr]     |                                         --------- help: consider changing this to be mutable: `mut get_value`
[INFO] [stderr] ...
[INFO] [stderr] 472 |         get_value(values.iter_mut().min_by(|ref mut a, ref mut b| get_value(a).partial_cmp(&get_value(b)).unwrap()).unwrap())
[INFO] [stderr]     |         ^^^^^^^^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0499]: cannot borrow `*values` as mutable more than once at a time
[INFO] [stderr]    --> src/main.rs:472:19
[INFO] [stderr]     |
[INFO] [stderr] 469 |         get_value(values.iter_mut().max_by(|ref mut a, ref mut b| get_value(a).partial_cmp(&get_value(b)).unwrap()).unwrap())
[INFO] [stderr]     |                   ------ first mutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 472 |         get_value(values.iter_mut().min_by(|ref mut a, ref mut b| get_value(a).partial_cmp(&get_value(b)).unwrap()).unwrap())
[INFO] [stderr]     |                   ^^^^^^ second mutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 477 |         *value = (*value - *min) / (*max - *min);
[INFO] [stderr]     |                                      --- first borrow later captured here by closure
[INFO] [stderr] 
[INFO] [stderr] error[E0500]: closure requires unique access to `get_value` but it is already borrowed
[INFO] [stderr]    --> src/main.rs:472:44
[INFO] [stderr]     |
[INFO] [stderr] 472 |         get_value(values.iter_mut().min_by(|ref mut a, ref mut b| get_value(a).partial_cmp(&get_value(b)).unwrap()).unwrap())
[INFO] [stderr]     |         ---------                          ^^^^^^^^^^^^^^^^^^^^^^ --------- second borrow occurs due to use of `get_value` in closure
[INFO] [stderr]     |         |                                  |
[INFO] [stderr]     |         |                                  closure construction occurs here
[INFO] [stderr]     |         borrow occurs here
[INFO] [stderr]     |         first borrow later used by call
[INFO] [stderr] 
[INFO] [stderr] error[E0499]: cannot borrow `*values` as mutable more than once at a time
[INFO] [stderr]    --> src/main.rs:475:5
[INFO] [stderr]     |
[INFO] [stderr] 469 |         get_value(values.iter_mut().max_by(|ref mut a, ref mut b| get_value(a).partial_cmp(&get_value(b)).unwrap()).unwrap())
[INFO] [stderr]     |                   ------ first mutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 475 |     values.iter_mut().for_each(|a| {
[INFO] [stderr]     |     ^^^^^^ second mutable borrow occurs here
[INFO] [stderr] 476 |         let value = get_value(a);
[INFO] [stderr] 477 |         *value = (*value - *min) / (*max - *min);
[INFO] [stderr]     |                                      --- first borrow later captured here by closure
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 15 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0499, E0500, E0596.
[INFO] [stderr] For more information about an error, try `rustc --explain E0499`.
[INFO] [stderr] error: Could not compile `rust-nn`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0596]: cannot borrow `get_value` as mutable, as it is not declared as mutable
[INFO] [stderr]    --> src/main.rs:469:67
[INFO] [stderr]     |
[INFO] [stderr] 467 | fn normalize_by<T, F>(values: &mut [T], get_value: F) where F: FnMut(&mut T) -> &mut f32, {
[INFO] [stderr]     |                                         --------- help: consider changing this to be mutable: `mut get_value`
[INFO] [stderr] 468 |     let max = {
[INFO] [stderr] 469 |         get_value(values.iter_mut().max_by(|ref mut a, ref mut b| get_value(a).partial_cmp(&get_value(b)).unwrap()).unwrap())
[INFO] [stderr]     |                                                                   ^^^^^^^^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `***a` as mutable, as it is behind a `&` reference
[INFO] [stderr]    --> src/main.rs:469:77
[INFO] [stderr]     |
[INFO] [stderr] 469 |         get_value(values.iter_mut().max_by(|ref mut a, ref mut b| get_value(a).partial_cmp(&get_value(b)).unwrap()).unwrap())
[INFO] [stderr]     |                                                                             ^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `get_value` as mutable, as it is not declared as mutable
[INFO] [stderr]    --> src/main.rs:469:93
[INFO] [stderr]     |
[INFO] [stderr] 467 | fn normalize_by<T, F>(values: &mut [T], get_value: F) where F: FnMut(&mut T) -> &mut f32, {
[INFO] [stderr]     |                                         --------- help: consider changing this to be mutable: `mut get_value`
[INFO] [stderr] 468 |     let max = {
[INFO] [stderr] 469 |         get_value(values.iter_mut().max_by(|ref mut a, ref mut b| get_value(a).partial_cmp(&get_value(b)).unwrap()).unwrap())
[INFO] [stderr]     |                                                                                             ^^^^^^^^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `***b` as mutable, as it is behind a `&` reference
[INFO] [stderr]    --> src/main.rs:469:103
[INFO] [stderr]     |
[INFO] [stderr] 469 |         get_value(values.iter_mut().max_by(|ref mut a, ref mut b| get_value(a).partial_cmp(&get_value(b)).unwrap()).unwrap())
[INFO] [stderr]     |                                                                                                       ^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `get_value` as mutable, as it is not declared as mutable
[INFO] [stderr]    --> src/main.rs:472:67
[INFO] [stderr]     |
[INFO] [stderr] 467 | fn normalize_by<T, F>(values: &mut [T], get_value: F) where F: FnMut(&mut T) -> &mut f32, {
[INFO] [stderr]     |                                         --------- help: consider changing this to be mutable: `mut get_value`
[INFO] [stderr] ...
[INFO] [stderr] 472 |         get_value(values.iter_mut().min_by(|ref mut a, ref mut b| get_value(a).partial_cmp(&get_value(b)).unwrap()).unwrap())
[INFO] [stderr]     |                                                                   ^^^^^^^^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `***a` as mutable, as it is behind a `&` reference
[INFO] [stderr]    --> src/main.rs:472:77
[INFO] [stderr]     |
[INFO] [stderr] 472 |         get_value(values.iter_mut().min_by(|ref mut a, ref mut b| get_value(a).partial_cmp(&get_value(b)).unwrap()).unwrap())
[INFO] [stderr]     |                                                                             ^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `get_value` as mutable, as it is not declared as mutable
[INFO] [stderr]    --> src/main.rs:472:93
[INFO] [stderr]     |
[INFO] [stderr] 467 | fn normalize_by<T, F>(values: &mut [T], get_value: F) where F: FnMut(&mut T) -> &mut f32, {
[INFO] [stderr]     |                                         --------- help: consider changing this to be mutable: `mut get_value`
[INFO] [stderr] ...
[INFO] [stderr] 472 |         get_value(values.iter_mut().min_by(|ref mut a, ref mut b| get_value(a).partial_cmp(&get_value(b)).unwrap()).unwrap())
[INFO] [stderr]     |                                                                                             ^^^^^^^^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `***b` as mutable, as it is behind a `&` reference
[INFO] [stderr]    --> src/main.rs:472:103
[INFO] [stderr]     |
[INFO] [stderr] 472 |         get_value(values.iter_mut().min_by(|ref mut a, ref mut b| get_value(a).partial_cmp(&get_value(b)).unwrap()).unwrap())
[INFO] [stderr]     |                                                                                                       ^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `get_value` as mutable, as it is not declared as mutable
[INFO] [stderr]    --> src/main.rs:476:21
[INFO] [stderr]     |
[INFO] [stderr] 467 | fn normalize_by<T, F>(values: &mut [T], get_value: F) where F: FnMut(&mut T) -> &mut f32, {
[INFO] [stderr]     |                                         --------- help: consider changing this to be mutable: `mut get_value`
[INFO] [stderr] ...
[INFO] [stderr] 476 |         let value = get_value(a);
[INFO] [stderr]     |                     ^^^^^^^^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `get_value` as mutable, as it is not declared as mutable
[INFO] [stderr]    --> src/main.rs:469:9
[INFO] [stderr]     |
[INFO] [stderr] 467 | fn normalize_by<T, F>(values: &mut [T], get_value: F) where F: FnMut(&mut T) -> &mut f32, {
[INFO] [stderr]     |                                         --------- help: consider changing this to be mutable: `mut get_value`
[INFO] [stderr] 468 |     let max = {
[INFO] [stderr] 469 |         get_value(values.iter_mut().max_by(|ref mut a, ref mut b| get_value(a).partial_cmp(&get_value(b)).unwrap()).unwrap())
[INFO] [stderr]     |         ^^^^^^^^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0500]: closure requires unique access to `get_value` but it is already borrowed
[INFO] [stderr]    --> src/main.rs:469:44
[INFO] [stderr]     |
[INFO] [stderr] 469 |         get_value(values.iter_mut().max_by(|ref mut a, ref mut b| get_value(a).partial_cmp(&get_value(b)).unwrap()).unwrap())
[INFO] [stderr]     |         ---------                          ^^^^^^^^^^^^^^^^^^^^^^ --------- second borrow occurs due to use of `get_value` in closure
[INFO] [stderr]     |         |                                  |
[INFO] [stderr]     |         |                                  closure construction occurs here
[INFO] [stderr]     |         borrow occurs here
[INFO] [stderr]     |         first borrow later used by call
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `get_value` as mutable, as it is not declared as mutable
[INFO] [stderr]    --> src/main.rs:472:9
[INFO] [stderr]     |
[INFO] [stderr] 467 | fn normalize_by<T, F>(values: &mut [T], get_value: F) where F: FnMut(&mut T) -> &mut f32, {
[INFO] [stderr]     |                                         --------- help: consider changing this to be mutable: `mut get_value`
[INFO] [stderr] ...
[INFO] [stderr] 472 |         get_value(values.iter_mut().min_by(|ref mut a, ref mut b| get_value(a).partial_cmp(&get_value(b)).unwrap()).unwrap())
[INFO] [stderr]     |         ^^^^^^^^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0499]: cannot borrow `*values` as mutable more than once at a time
[INFO] [stderr]    --> src/main.rs:472:19
[INFO] [stderr]     |
[INFO] [stderr] 469 |         get_value(values.iter_mut().max_by(|ref mut a, ref mut b| get_value(a).partial_cmp(&get_value(b)).unwrap()).unwrap())
[INFO] [stderr]     |                   ------ first mutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 472 |         get_value(values.iter_mut().min_by(|ref mut a, ref mut b| get_value(a).partial_cmp(&get_value(b)).unwrap()).unwrap())
[INFO] [stderr]     |                   ^^^^^^ second mutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 477 |         *value = (*value - *min) / (*max - *min);
[INFO] [stderr]     |                                      --- first borrow later captured here by closure
[INFO] [stderr] 
[INFO] [stderr] error[E0500]: closure requires unique access to `get_value` but it is already borrowed
[INFO] [stderr]    --> src/main.rs:472:44
[INFO] [stderr]     |
[INFO] [stderr] 472 |         get_value(values.iter_mut().min_by(|ref mut a, ref mut b| get_value(a).partial_cmp(&get_value(b)).unwrap()).unwrap())
[INFO] [stderr]     |         ---------                          ^^^^^^^^^^^^^^^^^^^^^^ --------- second borrow occurs due to use of `get_value` in closure
[INFO] [stderr]     |         |                                  |
[INFO] [stderr]     |         |                                  closure construction occurs here
[INFO] [stderr]     |         borrow occurs here
[INFO] [stderr]     |         first borrow later used by call
[INFO] [stderr] 
[INFO] [stderr] error[E0499]: cannot borrow `*values` as mutable more than once at a time
[INFO] [stderr]    --> src/main.rs:475:5
[INFO] [stderr]     |
[INFO] [stderr] 469 |         get_value(values.iter_mut().max_by(|ref mut a, ref mut b| get_value(a).partial_cmp(&get_value(b)).unwrap()).unwrap())
[INFO] [stderr]     |                   ------ first mutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 475 |     values.iter_mut().for_each(|a| {
[INFO] [stderr]     |     ^^^^^^ second mutable borrow occurs here
[INFO] [stderr] 476 |         let value = get_value(a);
[INFO] [stderr] 477 |         *value = (*value - *min) / (*max - *min);
[INFO] [stderr]     |                                      --- first borrow later captured here by closure
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 15 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0499, E0500, E0596.
[INFO] [stderr] For more information about an error, try `rustc --explain E0499`.
[INFO] [stderr] error: Could not compile `rust-nn`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "3102c95e8e58a11a548b309d39325d68e15f1b2eddf78c46564e21571fd71604"`
[INFO] running `"docker" "rm" "-f" "3102c95e8e58a11a548b309d39325d68e15f1b2eddf78c46564e21571fd71604"`
[INFO] [stdout] 3102c95e8e58a11a548b309d39325d68e15f1b2eddf78c46564e21571fd71604