[INFO] cloning repository https://github.com/frehrmann/rostig [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/frehrmann/rostig" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrehrmann%2Frostig", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrehrmann%2Frostig'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6433f381fefb6c606b9423bddf1868e6ff78d988 [INFO] testing frehrmann/rostig against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrehrmann%2Frostig" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/frehrmann/rostig on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/frehrmann/rostig [INFO] finished tweaking git repo https://github.com/frehrmann/rostig [INFO] tweaked toml for git repo https://github.com/frehrmann/rostig written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/frehrmann/rostig already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d1633906eed3dfcbefcb43164cfeac2e05c88173c345772a81e14bb0906c1308 [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" "d1633906eed3dfcbefcb43164cfeac2e05c88173c345772a81e14bb0906c1308", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d1633906eed3dfcbefcb43164cfeac2e05c88173c345772a81e14bb0906c1308", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d1633906eed3dfcbefcb43164cfeac2e05c88173c345772a81e14bb0906c1308", kill_on_drop: false }` [INFO] [stdout] d1633906eed3dfcbefcb43164cfeac2e05c88173c345772a81e14bb0906c1308 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--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] cf5f0831021b8cfe80e7902456da4018589ba1ed7088a0c8863e3e73c4dec569 [INFO] running `Command { std: "docker" "start" "-a" "cf5f0831021b8cfe80e7902456da4018589ba1ed7088a0c8863e3e73c4dec569", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.7 [INFO] [stderr] Compiling libc v0.2.51 [INFO] [stderr] Compiling serde v1.0.101 [INFO] [stderr] Compiling num-complex v0.2.1 [INFO] [stderr] Compiling matrixmultiply v0.1.15 [INFO] [stderr] Compiling rawpointer v0.1.0 [INFO] [stderr] Compiling ndarray v0.12.1 [INFO] [stderr] Compiling itertools v0.7.11 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling csv-core v0.1.5 [INFO] [stderr] Compiling serde_derive v1.0.101 [INFO] [stderr] Compiling toml v0.5.3 [INFO] [stderr] Compiling csv v1.0.7 [INFO] [stderr] Compiling rostig v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `arr1`, `arr2` [INFO] [stdout] --> src/adaline.rs:3:31 [INFO] [stdout] | [INFO] [stdout] 3 | use ndarray::{Array1, Array2, arr1, arr2}; [INFO] [stdout] | ^^^^ ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Array1`, `arr1`, `arr2` [INFO] [stdout] --> src/pre.rs:4:15 [INFO] [stdout] | [INFO] [stdout] 4 | use ndarray::{Array1, Array2, arr1, arr2}; [INFO] [stdout] | ^^^^^^ ^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:41:51 [INFO] [stdout] | [INFO] [stdout] 41 | fn read_config(file: &Path) -> Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:49:52 [INFO] [stdout] | [INFO] [stdout] 49 | fn read_iris(file: &Path) -> Result, Box> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:92:75 [INFO] [stdout] | [INFO] [stdout] 92 | fn write(file: &Path, x: &Array2, y: &Array1) -> Result<(), Box> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/main.rs:136:60 [INFO] [stdout] | [INFO] [stdout] 136 | for (idx, c) in cost.iter().enumerate().filter(|&(idx, x)| idx % config.display.cost_every == 0 || idx > config.display.cost_detail) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:131:10 [INFO] [stdout] | [INFO] [stdout] 131 | let (mut NN, cost) = { [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `grad_num` [INFO] [stdout] --> src/adaline.rs:138:12 [INFO] [stdout] | [INFO] [stdout] 138 | pub fn grad_num(&mut self, inputs: &Array2, targets: &Array1) -> (Array1, f64) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `sepal_width` [INFO] [stdout] --> src/main.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | sepal_width: f64, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `petal_width` [INFO] [stdout] --> src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | petal_width: f64, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:105:5 [INFO] [stdout] | [INFO] [stdout] 105 | writer.flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `NN` should have a snake case name [INFO] [stdout] --> src/main.rs:131:14 [INFO] [stdout] | [INFO] [stdout] 131 | let (mut NN, cost) = { [INFO] [stdout] | ^^ help: convert the identifier to snake case: `nn` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `Npred` should have a snake case name [INFO] [stdout] --> src/main.rs:140:9 [INFO] [stdout] | [INFO] [stdout] 140 | let Npred = 21; [INFO] [stdout] | ^^^^^ help: convert the identifier to snake case: `npred` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 48.69s [INFO] running `Command { std: "docker" "inspect" "cf5f0831021b8cfe80e7902456da4018589ba1ed7088a0c8863e3e73c4dec569", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cf5f0831021b8cfe80e7902456da4018589ba1ed7088a0c8863e3e73c4dec569", kill_on_drop: false }` [INFO] [stdout] cf5f0831021b8cfe80e7902456da4018589ba1ed7088a0c8863e3e73c4dec569 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 53a7bf591014a9b7035c9196066896f885a72d9b1fc93b9d49a906feb55e9c72 [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" "53a7bf591014a9b7035c9196066896f885a72d9b1fc93b9d49a906feb55e9c72", kill_on_drop: false }` [INFO] [stderr] Compiling rostig v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Array1` [INFO] [stdout] --> src/pre.rs:4:15 [INFO] [stdout] | [INFO] [stdout] 4 | use ndarray::{Array1, Array2, arr1, arr2}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:41:51 [INFO] [stdout] | [INFO] [stdout] 41 | fn read_config(file: &Path) -> Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:49:52 [INFO] [stdout] | [INFO] [stdout] 49 | fn read_iris(file: &Path) -> Result, Box> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:92:75 [INFO] [stdout] | [INFO] [stdout] 92 | fn write(file: &Path, x: &Array2, y: &Array1) -> Result<(), Box> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/main.rs:136:60 [INFO] [stdout] | [INFO] [stdout] 136 | for (idx, c) in cost.iter().enumerate().filter(|&(idx, x)| idx % config.display.cost_every == 0 || idx > config.display.cost_detail) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:131:10 [INFO] [stdout] | [INFO] [stdout] 131 | let (mut NN, cost) = { [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `sepal_width` [INFO] [stdout] --> src/main.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | sepal_width: f64, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `petal_width` [INFO] [stdout] --> src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | petal_width: f64, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:105:5 [INFO] [stdout] | [INFO] [stdout] 105 | writer.flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `NN` should have a snake case name [INFO] [stdout] --> src/main.rs:131:14 [INFO] [stdout] | [INFO] [stdout] 131 | let (mut NN, cost) = { [INFO] [stdout] | ^^ help: convert the identifier to snake case: `nn` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `Npred` should have a snake case name [INFO] [stdout] --> src/main.rs:140:9 [INFO] [stdout] | [INFO] [stdout] 140 | let Npred = 21; [INFO] [stdout] | ^^^^^ help: convert the identifier to snake case: `npred` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.25s [INFO] running `Command { std: "docker" "inspect" "53a7bf591014a9b7035c9196066896f885a72d9b1fc93b9d49a906feb55e9c72", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "53a7bf591014a9b7035c9196066896f885a72d9b1fc93b9d49a906feb55e9c72", kill_on_drop: false }` [INFO] [stdout] 53a7bf591014a9b7035c9196066896f885a72d9b1fc93b9d49a906feb55e9c72 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] cc7e2104e545ede4ebf145e1aebcb2c33e4a1c247f62476a23892cbd92b7ebbb [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" "cc7e2104e545ede4ebf145e1aebcb2c33e4a1c247f62476a23892cbd92b7ebbb", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `Array1` [INFO] [stderr] --> src/pre.rs:4:15 [INFO] [stderr] | [INFO] [stderr] 4 | use ndarray::{Array1, Array2, arr1, arr2}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:41:51 [INFO] [stderr] | [INFO] [stderr] 41 | fn read_config(file: &Path) -> Result> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:49:52 [INFO] [stderr] | [INFO] [stderr] 49 | fn read_iris(file: &Path) -> Result, Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:92:75 [INFO] [stderr] | [INFO] [stderr] 92 | fn write(file: &Path, x: &Array2, y: &Array1) -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/main.rs:136:60 [INFO] [stderr] | [INFO] [stderr] 136 | for (idx, c) in cost.iter().enumerate().filter(|&(idx, x)| idx % config.display.cost_every == 0 || idx > config.display.cost_detail) { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:131:10 [INFO] [stderr] | [INFO] [stderr] 131 | let (mut NN, cost) = { [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `sepal_width` [INFO] [stderr] --> src/main.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | sepal_width: f64, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `petal_width` [INFO] [stderr] --> src/main.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | petal_width: f64, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:105:5 [INFO] [stderr] | [INFO] [stderr] 105 | writer.flush(); [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: variable `NN` should have a snake case name [INFO] [stderr] --> src/main.rs:131:14 [INFO] [stderr] | [INFO] [stderr] 131 | let (mut NN, cost) = { [INFO] [stderr] | ^^ help: convert the identifier to snake case: `nn` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `Npred` should have a snake case name [INFO] [stderr] --> src/main.rs:140:9 [INFO] [stderr] | [INFO] [stderr] 140 | let Npred = 21; [INFO] [stderr] | ^^^^^ help: convert the identifier to snake case: `npred` [INFO] [stderr] [INFO] [stderr] warning: `rostig` (bin "rostig" test) generated 11 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rostig-a77910e57f7ced02) [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test adaline::tests::grad_check ... ok [INFO] [stdout] test adaline::tests::simple ... ok [INFO] [stdout] test adaline::tests::test_close_to ... ok [INFO] [stdout] test adaline::tests::new_nn ... ok [INFO] [stdout] test adaline::tests::simple_builder ... ok [INFO] [stdout] test adaline::tests::text_close_to_panic - should panic ... ok [INFO] [stdout] test pre::tests::test_std ... FAILED [INFO] [stdout] test adaline::tests::check_decent ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- pre::tests::test_std stdout ---- [INFO] [stdout] thread 'pre::tests::test_std' panicked at 'assertion failed: `(left == right)` [INFO] [stdout] left: `[-inf, -inf] shape=[2], strides=[1], layout=C | F (0x3), const ndim=1`, [INFO] [stdout] right: `[0.0, 0.0] shape=[2], strides=[1], layout=C | F (0x3), const ndim=1`', src/pre.rs:36:9 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55aa8f3840ec - std::backtrace_rs::backtrace::libunwind::trace::h7630ba4cba718aa0 [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x55aa8f3840ec - std::backtrace_rs::backtrace::trace_unsynchronized::he7498e79c157f5ac [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55aa8f3840ec - std::sys_common::backtrace::_print_fmt::hdaebadaee17bca49 [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x55aa8f3840ec - ::fmt::h82b0e3aaf8a96140 [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x55aa8f3a6fcc - core::fmt::write::h72801a82c94e6ff1 [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/fmt/mod.rs:1149:17 [INFO] [stdout] 5: 0x55aa8f380025 - std::io::Write::write_fmt::h21d7683cabdb4c35 [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/io/mod.rs:1697:15 [INFO] [stdout] 6: 0x55aa8f385b40 - std::sys_common::backtrace::_print::h1c9a1d19c48821c1 [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x55aa8f385b40 - std::sys_common::backtrace::print::h7ce8802039fa9d0e [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x55aa8f385b40 - std::panicking::default_hook::{{closure}}::hb2a74a8c1499c326 [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:211:50 [INFO] [stdout] 9: 0x55aa8f385726 - std::panicking::default_hook::hf4f180b00076f2b2 [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:225:9 [INFO] [stdout] 10: 0x55aa8f3861f4 - std::panicking::rust_panic_with_hook::he85ce8435493b711 [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:606:17 [INFO] [stdout] 11: 0x55aa8f385cd0 - std::panicking::begin_panic_handler::{{closure}}::h31e15f69e6235bd2 [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:502:13 [INFO] [stdout] 12: 0x55aa8f3845a4 - std::sys_common::backtrace::__rust_end_short_backtrace::hfce2fadb61aaa3ae [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:139:18 [INFO] [stdout] 13: 0x55aa8f385c39 - rust_begin_unwind [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:498:5 [INFO] [stdout] 14: 0x55aa8f2c3871 - core::panicking::panic_fmt::h7b8580d81fcbbacd [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/panicking.rs:107:14 [INFO] [stdout] 15: 0x55aa8f3a58d8 - core::panicking::assert_failed_inner::hc71171cfb6f4bc69 [INFO] [stdout] 16: 0x55aa8f32339a - core::panicking::assert_failed::h7562e92f3939db0b [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/panicking.rs:145:5 [INFO] [stdout] 17: 0x55aa8f31e203 - rostig::pre::tests::test_std::h8b69bd12ab2c6455 [INFO] [stdout] at /opt/rustwide/workdir/src/pre.rs:36:9 [INFO] [stdout] 18: 0x55aa8f31dd7a - rostig::pre::tests::test_std::{{closure}}::h74f3083456cbce66 [INFO] [stdout] at /opt/rustwide/workdir/src/pre.rs:22:5 [INFO] [stdout] 19: 0x55aa8f31a90e - core::ops::function::FnOnce::call_once::hd0bacafa9aae191a [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 20: 0x55aa8f3592c3 - core::ops::function::FnOnce::call_once::h449577f1c5b077cb [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 21: 0x55aa8f3592c3 - test::__rust_begin_short_backtrace::h8c2a0a5090591869 [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/test/src/lib.rs:585:5 [INFO] [stdout] 22: 0x55aa8f357e57 - as core::ops::function::FnOnce>::call_once::hea00a22128a38543 [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/alloc/src/boxed.rs:1694:9 [INFO] [stdout] 23: 0x55aa8f357e57 - as core::ops::function::FnOnce<()>>::call_once::he10b35c3c50d78a0 [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 24: 0x55aa8f357e57 - std::panicking::try::do_call::hc868e78bbc5af2ab [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:406:40 [INFO] [stdout] 25: 0x55aa8f357e57 - std::panicking::try::he468aede74df1b04 [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:370:19 [INFO] [stdout] 26: 0x55aa8f357e57 - std::panic::catch_unwind::hce3c9152e1cf772d [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panic.rs:133:14 [INFO] [stdout] 27: 0x55aa8f357e57 - test::run_test_in_process::h9c4ab8162080cf8c [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/test/src/lib.rs:608:18 [INFO] [stdout] 28: 0x55aa8f357e57 - test::run_test::run_test_inner::{{closure}}::he9483433cef16afe [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/test/src/lib.rs:500:39 [INFO] [stdout] 29: 0x55aa8f32519e - test::run_test::run_test_inner::{{closure}}::h479f1f872a5501ea [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/test/src/lib.rs:527:37 [INFO] [stdout] 30: 0x55aa8f32519e - std::sys_common::backtrace::__rust_begin_short_backtrace::h0f1e9b1f279687bc [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:123:18 [INFO] [stdout] 31: 0x55aa8f329fc8 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he5560613c5f5cb83 [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/thread/mod.rs:484:17 [INFO] [stdout] 32: 0x55aa8f329fc8 - as core::ops::function::FnOnce<()>>::call_once::h8190a68cb05ab92f [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 33: 0x55aa8f329fc8 - std::panicking::try::do_call::h6ae22f5ac22596e4 [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:406:40 [INFO] [stdout] 34: 0x55aa8f329fc8 - std::panicking::try::h2381c25487d6a7c2 [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:370:19 [INFO] [stdout] 35: 0x55aa8f329fc8 - std::panic::catch_unwind::hfe902f4d5c9d7b6d [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panic.rs:133:14 [INFO] [stdout] 36: 0x55aa8f329fc8 - std::thread::Builder::spawn_unchecked::{{closure}}::h547fad40771a584e [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/thread/mod.rs:483:30 [INFO] [stdout] 37: 0x55aa8f329fc8 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he8602a9971738410 [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 38: 0x55aa8f38ac83 - as core::ops::function::FnOnce>::call_once::he162a5c338a10a39 [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/alloc/src/boxed.rs:1694:9 [INFO] [stdout] 39: 0x55aa8f38ac83 - as core::ops::function::FnOnce>::call_once::hb27497b21740dd97 [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/alloc/src/boxed.rs:1694:9 [INFO] [stdout] 40: 0x55aa8f38ac83 - std::sys::unix::thread::Thread::new::thread_start::he467e990e49c5136 [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys/unix/thread.rs:106:17 [INFO] [stdout] 41: 0x7f062d5e4609 - start_thread [INFO] [stdout] 42: 0x7f062d86f293 - clone [INFO] [stdout] 43: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] pre::tests::test_std [INFO] [stdout] [INFO] [stdout] test result: FAILED. 7 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--bin rostig' [INFO] running `Command { std: "docker" "inspect" "cc7e2104e545ede4ebf145e1aebcb2c33e4a1c247f62476a23892cbd92b7ebbb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cc7e2104e545ede4ebf145e1aebcb2c33e4a1c247f62476a23892cbd92b7ebbb", kill_on_drop: false }` [INFO] [stdout] cc7e2104e545ede4ebf145e1aebcb2c33e4a1c247f62476a23892cbd92b7ebbb