[INFO] cloning repository https://github.com/victorinno/rust_simple_neural_network
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/victorinno/rust_simple_neural_network" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvictorinno%2Frust_simple_neural_network", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvictorinno%2Frust_simple_neural_network'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2ed6a067b3728139863d4df43474fbe2de00072c
[INFO] checking victorinno/rust_simple_neural_network against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvictorinno%2Frust_simple_neural_network" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/victorinno/rust_simple_neural_network on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/victorinno/rust_simple_neural_network
[INFO] finished tweaking git repo https://github.com/victorinno/rust_simple_neural_network
[INFO] tweaked toml for git repo https://github.com/victorinno/rust_simple_neural_network written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/victorinno/rust_simple_neural_network already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ndarray-stats v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e107a07771aa298d96d1b4306071b00b2d22287ad82bb2b6dc94066aaf91905b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e107a07771aa298d96d1b4306071b00b2d22287ad82bb2b6dc94066aaf91905b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e107a07771aa298d96d1b4306071b00b2d22287ad82bb2b6dc94066aaf91905b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e107a07771aa298d96d1b4306071b00b2d22287ad82bb2b6dc94066aaf91905b", kill_on_drop: false }`
[INFO] [stdout] e107a07771aa298d96d1b4306071b00b2d22287ad82bb2b6dc94066aaf91905b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3c33f8172427e467784426c32e24e62235a48f7b17342c11b1efa7e7b285c99
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f3c33f8172427e467784426c32e24e62235a48f7b17342c11b1efa7e7b285c99", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling syn v1.0.22
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking oorandom v11.1.1
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking noisy_float v0.1.12
[INFO] [stderr]     Checking plotters v0.2.14
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking criterion-plot v0.4.2
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking ndarray-stats v0.3.0
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking tinytemplate v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]     Checking criterion v0.3.2
[INFO] [stderr]     Checking rust_simple_neural_network v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/neural_network/neural_network.rs:17:33
[INFO] [stdout]    |
[INFO] [stdout] 17 |         fn set_input(&mut self, input: &Array1<f64>) {
[INFO] [stdout]    |                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/neural_network/neural_network.rs:23:31
[INFO] [stdout]    |
[INFO] [stdout] 23 |         fn forward(&mut self, input: &Array1<f64>) -> Array1<f64> {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/neural_network/neural_network.rs:17:33
[INFO] [stdout]    |
[INFO] [stdout] 17 |         fn set_input(&mut self, input: &Array1<f64>) {
[INFO] [stdout]    |                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/neural_network/neural_network.rs:23:31
[INFO] [stdout]    |
[INFO] [stdout] 23 |         fn forward(&mut self, input: &Array1<f64>) -> Array1<f64> {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `mean_absolute_error` in this scope
[INFO] [stdout]   --> benches/rust_simple_neural_network.rs:12:63
[INFO] [stdout]    |
[INFO] [stdout] 12 |     c.bench_function("mean_absolute_error 15 ", |b| b.iter(|| mean_absolute_error(black_box(n), black_box(m))));
[INFO] [stdout]    |                                                               ^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `mean_absolute_error` in this scope
[INFO] [stdout]   --> benches/rust_simple_neural_network.rs:16:64
[INFO] [stdout]    |
[INFO] [stdout] 16 |     c.bench_function("mean_absolute_error 150 ", |b| b.iter(|| mean_absolute_error(black_box(n), black_box(m))));
[INFO] [stdout]    |                                                                ^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `mean_absolute_error` in this scope
[INFO] [stdout]   --> benches/rust_simple_neural_network.rs:20:65
[INFO] [stdout]    |
[INFO] [stdout] 20 |     c.bench_function("mean_absolute_error 1500 ", |b| b.iter(|| mean_absolute_error(black_box(n), black_box(m))));
[INFO] [stdout]    |                                                                 ^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rust_simple_neural_network::*`
[INFO] [stdout]  --> benches/rust_simple_neural_network.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rust_simple_neural_network::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> benches/rust_simple_neural_network.rs:10:36
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let n = &Array1::from_shape_fn((15), |(i)| rng.gen::<f64>());
[INFO] [stdout]    |                                    ^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]   --> benches/rust_simple_neural_network.rs:10:43
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let n = &Array1::from_shape_fn((15), |(i)| rng.gen::<f64>());
[INFO] [stdout]    |                                           ^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> benches/rust_simple_neural_network.rs:11:36
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let m = &Array1::from_shape_fn((15), |(i)| rng.gen::<f64>());
[INFO] [stdout]    |                                    ^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]   --> benches/rust_simple_neural_network.rs:11:43
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let m = &Array1::from_shape_fn((15), |(i)| rng.gen::<f64>());
[INFO] [stdout]    |                                           ^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> benches/rust_simple_neural_network.rs:14:36
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let n = &Array1::from_shape_fn((150), |(i)| rng.gen::<f64>());
[INFO] [stdout]    |                                    ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]   --> benches/rust_simple_neural_network.rs:14:44
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let n = &Array1::from_shape_fn((150), |(i)| rng.gen::<f64>());
[INFO] [stdout]    |                                            ^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> benches/rust_simple_neural_network.rs:15:36
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let m = &Array1::from_shape_fn((150), |(i)| rng.gen::<f64>());
[INFO] [stdout]    |                                    ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]   --> benches/rust_simple_neural_network.rs:15:44
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let m = &Array1::from_shape_fn((150), |(i)| rng.gen::<f64>());
[INFO] [stdout]    |                                            ^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> benches/rust_simple_neural_network.rs:18:36
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let n = &Array1::from_shape_fn((1500), |(i)| rng.gen::<f64>());
[INFO] [stdout]    |                                    ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]   --> benches/rust_simple_neural_network.rs:18:45
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let n = &Array1::from_shape_fn((1500), |(i)| rng.gen::<f64>());
[INFO] [stdout]    |                                             ^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> benches/rust_simple_neural_network.rs:19:36
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let m = &Array1::from_shape_fn((1500), |(i)| rng.gen::<f64>());
[INFO] [stdout]    |                                    ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]   --> benches/rust_simple_neural_network.rs:19:45
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let m = &Array1::from_shape_fn((1500), |(i)| rng.gen::<f64>());
[INFO] [stdout]    |                                             ^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_simple_neural_network`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "f3c33f8172427e467784426c32e24e62235a48f7b17342c11b1efa7e7b285c99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3c33f8172427e467784426c32e24e62235a48f7b17342c11b1efa7e7b285c99", kill_on_drop: false }`
[INFO] [stdout] f3c33f8172427e467784426c32e24e62235a48f7b17342c11b1efa7e7b285c99