[INFO] cloning repository https://github.com/flevesqu42/42_multilayer_perceptron
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/flevesqu42/42_multilayer_perceptron" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflevesqu42%2F42_multilayer_perceptron", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflevesqu42%2F42_multilayer_perceptron'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3174d89e39d3bc0bca78f72eb539bdf402e9bda1
[INFO] checking flevesqu42/42_multilayer_perceptron against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflevesqu42%2F42_multilayer_perceptron" "/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/flevesqu42/42_multilayer_perceptron on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/flevesqu42/42_multilayer_perceptron
[INFO] finished tweaking git repo https://github.com/flevesqu42/42_multilayer_perceptron
[INFO] tweaked toml for git repo https://github.com/flevesqu42/42_multilayer_perceptron written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/flevesqu42/42_multilayer_perceptron already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d484fb94aa5ba551242d63dd264092b49564c8fa2bf4779d680791d2bec53ffc
[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" "d484fb94aa5ba551242d63dd264092b49564c8fa2bf4779d680791d2bec53ffc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d484fb94aa5ba551242d63dd264092b49564c8fa2bf4779d680791d2bec53ffc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d484fb94aa5ba551242d63dd264092b49564c8fa2bf4779d680791d2bec53ffc", kill_on_drop: false }`
[INFO] [stdout] d484fb94aa5ba551242d63dd264092b49564c8fa2bf4779d680791d2bec53ffc
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 52b0b5d477736fc8c5377f955586625417bcfbecf7fbe7e55b34b0fb6d1151df
[INFO] running `Command { std: "docker" "start" "-a" "52b0b5d477736fc8c5377f955586625417bcfbecf7fbe7e55b34b0fb6d1151df", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking csv-core v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]     Checking csv v1.0.5
[INFO] [stderr]     Checking serde_yaml v0.8.8
[INFO] [stderr]     Checking multilayer_perceptron v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/perceptron/gradient_descent.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/perceptron/gradient_descent.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `rand::Rng::shuffle`: use SliceRandom::shuffle instead
[INFO] [stdout]   --> src/perceptron/training.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 |         rng.shuffle(& mut training_dataset);
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `rand::Rng::shuffle`: use SliceRandom::shuffle instead
[INFO] [stdout]   --> src/perceptron/gradient_descent.rs:28:7
[INFO] [stdout]    |
[INFO] [stdout] 28 |         rng.shuffle(training_dataset);
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `rand::Rng::shuffle`: use SliceRandom::shuffle instead
[INFO] [stdout]   --> src/perceptron/training.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 |         rng.shuffle(& mut training_dataset);
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `rand::Rng::shuffle`: use SliceRandom::shuffle instead
[INFO] [stdout]   --> src/perceptron/gradient_descent.rs:28:7
[INFO] [stdout]    |
[INFO] [stdout] 28 |         rng.shuffle(training_dataset);
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `matrix`
[INFO] [stdout]  --> src/maths/matrix/tests.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let matrix = Matrix::new(vec![vec![]]);
[INFO] [stdout]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_matrix`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `matrix`
[INFO] [stdout]   --> src/maths/matrix/tests.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let matrix = Matrix::new(vec![]);
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_matrix`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vector`
[INFO] [stdout]   --> src/maths/matrix/tests.rs:31:6
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let vector = Vector::new(vec![]);
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_vector`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `features_count`
[INFO] [stdout]   --> src/dataset/mod.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn features_count(& self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `output_size`
[INFO] [stdout]   --> src/dataset/mod.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn output_size(& self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `VERBOSE`
[INFO] [stdout]  --> src/perceptron/configuration.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub static VERBOSE : bool = true;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `features_count`
[INFO] [stdout]   --> src/dataset/mod.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn features_count(& self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `output_size`
[INFO] [stdout]   --> src/dataset/mod.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn output_size(& self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `VERBOSE`
[INFO] [stdout]  --> src/perceptron/configuration.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub static VERBOSE : bool = true;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.71s
[INFO] running `Command { std: "docker" "inspect" "52b0b5d477736fc8c5377f955586625417bcfbecf7fbe7e55b34b0fb6d1151df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52b0b5d477736fc8c5377f955586625417bcfbecf7fbe7e55b34b0fb6d1151df", kill_on_drop: false }`
[INFO] [stdout] 52b0b5d477736fc8c5377f955586625417bcfbecf7fbe7e55b34b0fb6d1151df