[INFO] cloning repository https://github.com/SimonWang9610/cnn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SimonWang9610/cnn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSimonWang9610%2Fcnn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSimonWang9610%2Fcnn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2a052e0f09857f18620fce9e52887a3d7dd940bd
[INFO] testing SimonWang9610/cnn against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSimonWang9610%2Fcnn" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SimonWang9610/cnn on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SimonWang9610/cnn
[INFO] finished tweaking git repo https://github.com/SimonWang9610/cnn
[INFO] tweaked toml for git repo https://github.com/SimonWang9610/cnn written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/SimonWang9610/cnn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_json v1.0.60
[INFO] [stderr]   Downloaded matrixmultiply v0.2.4
[INFO] [stderr]   Downloaded syn v1.0.55
[INFO] [stderr]   Downloaded ndarray-rand v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 722e7f69b4a3b403a40fe0f222adbe2738d1d9562eb6299b0ae4d28502dd6bb8
[INFO] running `Command { std: "docker" "start" "-a" "722e7f69b4a3b403a40fe0f222adbe2738d1d9562eb6299b0ae4d28502dd6bb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "722e7f69b4a3b403a40fe0f222adbe2738d1d9562eb6299b0ae4d28502dd6bb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "722e7f69b4a3b403a40fe0f222adbe2738d1d9562eb6299b0ae4d28502dd6bb8", kill_on_drop: false }`
[INFO] [stdout] 722e7f69b4a3b403a40fe0f222adbe2738d1d9562eb6299b0ae4d28502dd6bb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8a660470066db7df2660a10617fabd098cf1809b201bc01d5a7a89b0e3a568f
[INFO] running `Command { std: "docker" "start" "-a" "f8a660470066db7df2660a10617fabd098cf1809b201bc01d5a7a89b0e3a568f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling const_fn v0.4.4
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling syn v1.0.55
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]    Compiling weezl v0.1.3
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling bytemuck v1.4.1
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling matrixmultiply v0.2.4
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling gif v0.11.1
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling rand_distr v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling ndarray-rand v0.11.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.20
[INFO] [stderr]    Compiling testfunc v0.1.0 (/opt/rustwide/workdir/testfunc)
[INFO] [stdout] warning: unused import: `std::vec::Vec`
[INFO] [stdout]  --> testfunc/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> testfunc/src/main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let b = Array::from_shape_vec((1, 1), vec![a]).unwrap();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tiff v0.6.1
[INFO] [stderr]    Compiling image v0.23.12
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling utils v0.1.0 (/opt/rustwide/workdir/utils)
[INFO] [stdout] warning: unused import: `ndarray::Array2`
[INFO] [stdout]  --> utils/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ndarray::Array2;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Deserializer`
[INFO] [stdout]   --> utils/src/network/mod.rs:13:37
[INFO] [stdout]    |
[INFO] [stdout] 13 | use serde::{Serialize, Deserialize, Deserializer};
[INFO] [stdout]    |                                     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `File`
[INFO] [stdout]   --> utils/src/network/mod.rs:15:15
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::fs::{File, OpenOptions};
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]   --> utils/src/network/mod.rs:16:15
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::io::{Read, Write};
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `nn` should have an upper camel case name
[INFO] [stdout]   --> utils/src/network/mod.rs:34:10
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub enum nn {
[INFO] [stdout]    |          ^^ help: convert the identifier to upper camel case: `Nn`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json`
[INFO] [stdout]  --> utils/src/trained/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde_json;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `test_inputs`
[INFO] [stdout]    --> utils/src/network/mod.rs:191:5
[INFO] [stdout]     |
[INFO] [stdout] 191 |     test_inputs: Vec<Vec<Array2<f32>>>,
[INFO] [stdout]     |     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_inputs`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `test_target`
[INFO] [stdout]    --> utils/src/network/mod.rs:193:5
[INFO] [stdout]     |
[INFO] [stdout] 193 |     test_target: Array2<f32>
[INFO] [stdout]     |     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling network v0.1.0 (/opt/rustwide/workdir/network)
[INFO] [stdout] warning: unused import: `train`
[INFO] [stdout]  --> network/src/main.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 | use utils::network::{nn, train, train_one_by_one};
[INFO] [stdout]   |                          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x_train`
[INFO] [stdout]   --> network/src/main.rs:20:11
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let ((x_train, y_train), (x_test, y_test)) = load_mnist(paths);
[INFO] [stdout]    |           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_x_train`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y_train`
[INFO] [stdout]   --> network/src/main.rs:20:20
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let ((x_train, y_train), (x_test, y_test)) = load_mnist(paths);
[INFO] [stdout]    |                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_y_train`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.15s
[INFO] running `Command { std: "docker" "inspect" "f8a660470066db7df2660a10617fabd098cf1809b201bc01d5a7a89b0e3a568f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8a660470066db7df2660a10617fabd098cf1809b201bc01d5a7a89b0e3a568f", kill_on_drop: false }`
[INFO] [stdout] f8a660470066db7df2660a10617fabd098cf1809b201bc01d5a7a89b0e3a568f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2170717ff7425bbac01fb83fe0743745f09aa9c6746c963c9e490a75f4c67779
[INFO] running `Command { std: "docker" "start" "-a" "2170717ff7425bbac01fb83fe0743745f09aa9c6746c963c9e490a75f4c67779", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `ndarray::Array2`
[INFO] [stdout]  --> utils/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ndarray::Array2;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Deserializer`
[INFO] [stdout]   --> utils/src/network/mod.rs:13:37
[INFO] [stdout]    |
[INFO] [stdout] 13 | use serde::{Serialize, Deserialize, Deserializer};
[INFO] [stdout]    |                                     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `File`
[INFO] [stdout]   --> utils/src/network/mod.rs:15:15
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::fs::{File, OpenOptions};
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]   --> utils/src/network/mod.rs:16:15
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::io::{Read, Write};
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `nn` should have an upper camel case name
[INFO] [stdout]   --> utils/src/network/mod.rs:34:10
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub enum nn {
[INFO] [stdout]    |          ^^ help: convert the identifier to upper camel case: `Nn`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json`
[INFO] [stdout]  --> utils/src/trained/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde_json;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `test_inputs`
[INFO] [stdout]    --> utils/src/network/mod.rs:191:5
[INFO] [stdout]     |
[INFO] [stdout] 191 |     test_inputs: Vec<Vec<Array2<f32>>>,
[INFO] [stdout]     |     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_inputs`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `test_target`
[INFO] [stdout]    --> utils/src/network/mod.rs:193:5
[INFO] [stdout]     |
[INFO] [stdout] 193 |     test_target: Array2<f32>
[INFO] [stdout]     |     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling utils v0.1.0 (/opt/rustwide/workdir/utils)
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling testfunc v0.1.0 (/opt/rustwide/workdir/testfunc)
[INFO] [stderr]    Compiling network v0.1.0 (/opt/rustwide/workdir/network)
[INFO] [stdout] warning: unused import: `std::vec::Vec`
[INFO] [stdout]  --> testfunc/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `train`
[INFO] [stdout]  --> network/src/main.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 | use utils::network::{nn, train, train_one_by_one};
[INFO] [stdout]   |                          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> testfunc/src/main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let b = Array::from_shape_vec((1, 1), vec![a]).unwrap();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x_train`
[INFO] [stdout]   --> network/src/main.rs:20:11
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let ((x_train, y_train), (x_test, y_test)) = load_mnist(paths);
[INFO] [stdout]    |           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_x_train`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y_train`
[INFO] [stdout]   --> network/src/main.rs:20:20
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let ((x_train, y_train), (x_test, y_test)) = load_mnist(paths);
[INFO] [stdout]    |                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_y_train`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ndarray::Array2`
[INFO] [stdout]  --> utils/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ndarray::Array2;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Deserializer`
[INFO] [stdout]   --> utils/src/network/mod.rs:13:37
[INFO] [stdout]    |
[INFO] [stdout] 13 | use serde::{Serialize, Deserialize, Deserializer};
[INFO] [stdout]    |                                     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `File`
[INFO] [stdout]   --> utils/src/network/mod.rs:15:15
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::fs::{File, OpenOptions};
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]   --> utils/src/network/mod.rs:16:15
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::io::{Read, Write};
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `nn` should have an upper camel case name
[INFO] [stdout]   --> utils/src/network/mod.rs:34:10
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub enum nn {
[INFO] [stdout]    |          ^^ help: convert the identifier to upper camel case: `Nn`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json`
[INFO] [stdout]  --> utils/src/trained/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde_json;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `test_inputs`
[INFO] [stdout]    --> utils/src/network/mod.rs:191:5
[INFO] [stdout]     |
[INFO] [stdout] 191 |     test_inputs: Vec<Vec<Array2<f32>>>,
[INFO] [stdout]     |     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_inputs`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `test_target`
[INFO] [stdout]    --> utils/src/network/mod.rs:193:5
[INFO] [stdout]     |
[INFO] [stdout] 193 |     test_target: Array2<f32>
[INFO] [stdout]     |     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "2170717ff7425bbac01fb83fe0743745f09aa9c6746c963c9e490a75f4c67779", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2170717ff7425bbac01fb83fe0743745f09aa9c6746c963c9e490a75f4c67779", kill_on_drop: false }`
[INFO] [stdout] 2170717ff7425bbac01fb83fe0743745f09aa9c6746c963c9e490a75f4c67779
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6fea30ecce4edcf4cdec154d58f064fa96442846bc70694cc00ed00ec9a2977e
[INFO] running `Command { std: "docker" "start" "-a" "6fea30ecce4edcf4cdec154d58f064fa96442846bc70694cc00ed00ec9a2977e", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `ndarray::Array2`
[INFO] [stderr]  --> utils/src/lib.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ndarray::Array2;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Deserializer`
[INFO] [stderr]   --> utils/src/network/mod.rs:13:37
[INFO] [stderr]    |
[INFO] [stderr] 13 | use serde::{Serialize, Deserialize, Deserializer};
[INFO] [stderr]    |                                     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `File`
[INFO] [stderr]   --> utils/src/network/mod.rs:15:15
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::fs::{File, OpenOptions};
[INFO] [stderr]    |               ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]   --> utils/src/network/mod.rs:16:15
[INFO] [stderr]    |
[INFO] [stderr] 16 | use std::io::{Read, Write};
[INFO] [stderr]    |               ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `nn` should have an upper camel case name
[INFO] [stderr]   --> utils/src/network/mod.rs:34:10
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub enum nn {
[INFO] [stderr]    |          ^^ help: convert the identifier to upper camel case: `Nn`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde_json`
[INFO] [stderr]  --> utils/src/trained/mod.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use serde_json;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `test_inputs`
[INFO] [stderr]    --> utils/src/network/mod.rs:191:5
[INFO] [stderr]     |
[INFO] [stderr] 191 |     test_inputs: Vec<Vec<Array2<f32>>>,
[INFO] [stderr]     |     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_inputs`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `test_target`
[INFO] [stderr]    --> utils/src/network/mod.rs:193:5
[INFO] [stderr]     |
[INFO] [stderr] 193 |     test_target: Array2<f32>
[INFO] [stderr]     |     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_target`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::vec::Vec`
[INFO] [stderr]  --> testfunc/src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::vec::Vec;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> testfunc/src/main.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let b = Array::from_shape_vec((1, 1), vec![a]).unwrap();
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `utils` (lib) generated 8 warnings
[INFO] [stderr] warning: `testfunc` (bin "testfunc" test) generated 2 warnings
[INFO] [stderr] warning: `utils` (lib test) generated 8 warnings (8 duplicates)
[INFO] [stderr] warning: unused import: `train`
[INFO] [stderr]  --> network/src/main.rs:6:26
[INFO] [stderr]   |
[INFO] [stderr] 6 | use utils::network::{nn, train, train_one_by_one};
[INFO] [stderr]   |                          ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x_train`
[INFO] [stderr]   --> network/src/main.rs:20:11
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let ((x_train, y_train), (x_test, y_test)) = load_mnist(paths);
[INFO] [stderr]    |           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_x_train`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y_train`
[INFO] [stderr]   --> network/src/main.rs:20:20
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let ((x_train, y_train), (x_test, y_test)) = load_mnist(paths);
[INFO] [stderr]    |                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_y_train`
[INFO] [stderr] 
[INFO] [stderr] warning: `network` (bin "network" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/network-14281bc3301e3160)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/testfunc-296a5475f6f28be5)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/utils-f2a1aefe538435fd)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests utils
[INFO] [stderr] error[E0659]: `utils` is ambiguous
[INFO] [stderr]  --> /opt/rustwide/workdir/utils/src/utils/mod.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use utils::{flip_matrix, cal_shape, im2col, im2col_filter, _rotate, _restore_max_index};
[INFO] [stderr]   |     ^^^^^ ambiguous name
[INFO] [stderr]   |
[INFO] [stderr]   = note: ambiguous because of multiple potential import sources
[INFO] [stderr]   = note: `utils` could refer to a crate passed with `--extern`
[INFO] [stderr]   = help: use `::utils` to refer to this crate unambiguously
[INFO] [stderr] note: `utils` could also refer to the module defined here
[INFO] [stderr]  --> /opt/rustwide/workdir/utils/src/utils/mod.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub mod utils;
[INFO] [stderr]   | ^^^^^^^^^^^^^^
[INFO] [stderr]   = help: use `self::utils` to refer to this module unambiguously
[INFO] [stderr] 
[INFO] [stderr] error[E0659]: `utils` is ambiguous
[INFO] [stderr]  --> /opt/rustwide/workdir/utils/src/convolution/mod.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use utils::{_convolution, _restore_with_channel, sum_nested_vector};
[INFO] [stderr]   |     ^^^^^ ambiguous name
[INFO] [stderr]   |
[INFO] [stderr]   = note: ambiguous because of multiple potential import sources
[INFO] [stderr]   = note: `utils` could refer to a crate passed with `--extern`
[INFO] [stderr]   = help: use `::utils` to refer to this crate unambiguously
[INFO] [stderr] note: `utils` could also refer to the module imported here
[INFO] [stderr]  --> /opt/rustwide/workdir/utils/src/convolution/mod.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::utils;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   = help: use `self::utils` to refer to this module unambiguously
[INFO] [stderr] 
[INFO] [stderr] error[E0659]: `utils` is ambiguous
[INFO] [stderr]  --> /opt/rustwide/workdir/utils/src/convolution/mod.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use utils::utils::{cal_shape, _rotate};
[INFO] [stderr]   |     ^^^^^ ambiguous name
[INFO] [stderr]   |
[INFO] [stderr]   = note: ambiguous because of multiple potential import sources
[INFO] [stderr]   = note: `utils` could refer to a crate passed with `--extern`
[INFO] [stderr]   = help: use `::utils` to refer to this crate unambiguously
[INFO] [stderr] note: `utils` could also refer to the module imported here
[INFO] [stderr]  --> /opt/rustwide/workdir/utils/src/convolution/mod.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::utils;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   = help: use `self::utils` to refer to this module unambiguously
[INFO] [stderr] 
[INFO] [stderr] error[E0659]: `utils` is ambiguous
[INFO] [stderr]  --> /opt/rustwide/workdir/utils/src/pooling/mod.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use utils::{_max_pool, _upsample};
[INFO] [stderr]   |     ^^^^^ ambiguous name
[INFO] [stderr]   |
[INFO] [stderr]   = note: ambiguous because of multiple potential import sources
[INFO] [stderr]   = note: `utils` could refer to a crate passed with `--extern`
[INFO] [stderr]   = help: use `::utils` to refer to this crate unambiguously
[INFO] [stderr] note: `utils` could also refer to the module imported here
[INFO] [stderr]  --> /opt/rustwide/workdir/utils/src/pooling/mod.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::utils;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   = help: use `self::utils` to refer to this module unambiguously
[INFO] [stderr] 
[INFO] [stderr] error[E0659]: `utils` is ambiguous
[INFO] [stderr]  --> /opt/rustwide/workdir/utils/src/full_connected/mod.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use utils::_flatten_withno_channel;
[INFO] [stderr]   |     ^^^^^ ambiguous name
[INFO] [stderr]   |
[INFO] [stderr]   = note: ambiguous because of multiple potential import sources
[INFO] [stderr]   = note: `utils` could refer to a crate passed with `--extern`
[INFO] [stderr]   = help: use `::utils` to refer to this crate unambiguously
[INFO] [stderr] note: `utils` could also refer to the module imported here
[INFO] [stderr]  --> /opt/rustwide/workdir/utils/src/full_connected/mod.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::utils;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   = help: use `self::utils` to refer to this module unambiguously
[INFO] [stderr] 
[INFO] [stderr] error[E0659]: `utils` is ambiguous
[INFO] [stderr]  --> /opt/rustwide/workdir/utils/src/activation/mod.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use utils::utils::{_relu, _softmax, relu_derivate};
[INFO] [stderr]   |     ^^^^^ ambiguous name
[INFO] [stderr]   |
[INFO] [stderr]   = note: ambiguous because of multiple potential import sources
[INFO] [stderr]   = note: `utils` could refer to a crate passed with `--extern`
[INFO] [stderr]   = help: use `::utils` to refer to this crate unambiguously
[INFO] [stderr] note: `utils` could also refer to the module imported here
[INFO] [stderr]  --> /opt/rustwide/workdir/utils/src/activation/mod.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::utils;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   = help: use `self::utils` to refer to this module unambiguously
[INFO] [stderr] 
[INFO] [stderr] warning: type `nn` should have an upper camel case name
[INFO] [stderr]   --> /opt/rustwide/workdir/utils/src/network/mod.rs:34:10
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub enum nn {
[INFO] [stderr]    |          ^^ help: convert the identifier to upper camel case: `Nn`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0659`.
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "6fea30ecce4edcf4cdec154d58f064fa96442846bc70694cc00ed00ec9a2977e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fea30ecce4edcf4cdec154d58f064fa96442846bc70694cc00ed00ec9a2977e", kill_on_drop: false }`
[INFO] [stdout] 6fea30ecce4edcf4cdec154d58f064fa96442846bc70694cc00ed00ec9a2977e