[INFO] cloning repository https://github.com/NyxCode/arrayfire-bug
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NyxCode/arrayfire-bug" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNyxCode%2Farrayfire-bug", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNyxCode%2Farrayfire-bug'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ab8dd17e1e10091303b14aed39010c5432aa5d71
[INFO] checking NyxCode/arrayfire-bug against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNyxCode%2Farrayfire-bug" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/NyxCode/arrayfire-bug
[INFO] finished tweaking git repo https://github.com/NyxCode/arrayfire-bug
[INFO] tweaked toml for git repo https://github.com/NyxCode/arrayfire-bug written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/NyxCode/arrayfire-bug on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/NyxCode/arrayfire-bug already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] [stderr]   Downloaded arrayfire v3.8.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 939be178c67fa3e5fb4e4248f292f9a782bcfb355b9352ca88c910dc66b2d415
[INFO] running `Command { std: "docker" "start" "-a" "939be178c67fa3e5fb4e4248f292f9a782bcfb355b9352ca88c910dc66b2d415", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "939be178c67fa3e5fb4e4248f292f9a782bcfb355b9352ca88c910dc66b2d415", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "939be178c67fa3e5fb4e4248f292f9a782bcfb355b9352ca88c910dc66b2d415", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 374271455d2be10dd2be71b83709f1915038edf57e3908c0fb98951cfe2267a6
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[INFO] [stderr]    Compiling proc-macro2 v1.0.46
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[INFO] [stdout] warning: unused imports: `Dim4` and `RandomEngineType`
[INFO] [stdout]  --> src/main.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 |     dim4, exp, Array, Dim4, MatProp, RandomEngine, RandomEngineType, DEFAULT_RANDOM_ENGINE,
[INFO] [stdout]   |                       ^^^^                         ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Mul`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::ops::Mul;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Dim4` and `RandomEngineType`
[INFO] [stdout]  --> src/main.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 |     dim4, exp, Array, Dim4, MatProp, RandomEngine, RandomEngineType, DEFAULT_RANDOM_ENGINE,
[INFO] [stdout]   |                       ^^^^                         ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Mul`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::ops::Mul;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     for i in 0..1 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let mut error = 0.0;
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]   --> src/main.rs:92:13
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let error = af::sum_all(&(&diff * &diff)).0;
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:349:13
[INFO] [stdout]     |
[INFO] [stdout] 349 |             _ => unimplemented!(),
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/main.rs:349:13
[INFO] [stdout]     |
[INFO] [stdout] 342 |             Self::SIGMOID => 1.0 / (1.0 + exp(&(-1.0 * x))),
[INFO] [stdout]     |             ------------- matches some of the same values
[INFO] [stdout] 343 |             Self::RELU => af::clamp(x, &0f64, &f64::INFINITY, true),
[INFO] [stdout]     |             ---------- matches some of the same values
[INFO] [stdout] 344 |             Self::SOFTMAX => {
[INFO] [stdout]     |             ------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 349 |             _ => unimplemented!(),
[INFO] [stdout]     |             ^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:361:13
[INFO] [stdout]     |
[INFO] [stdout] 361 |             _ => unimplemented!(),
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/main.rs:361:13
[INFO] [stdout]     |
[INFO] [stdout] 355 |             Self::SIGMOID => {
[INFO] [stdout]     |             ------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 359 |             Self::RELU => af::ge(x, &0f64, true).cast(),
[INFO] [stdout]     |             ---------- matches some of the same values
[INFO] [stdout] 360 |             Self::SOFTMAX => af::constant(1.0, x.dims()),
[INFO] [stdout]     |             ------------- matches some of the same values
[INFO] [stdout] 361 |             _ => unimplemented!(),
[INFO] [stdout]     |             ^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `inputs` is never read
[INFO] [stdout]    --> src/main.rs:306:5
[INFO] [stdout]     |
[INFO] [stdout] 305 | struct Layer {
[INFO] [stdout]     |        ----- field in this struct
[INFO] [stdout] 306 |     inputs: u64,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SOFTMAX` is never constructed
[INFO] [stdout]    --> src/main.rs:336:5
[INFO] [stdout]     |
[INFO] [stdout] 333 | enum Activation {
[INFO] [stdout]     |      ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 336 |     SOFTMAX,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Activation` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     for i in 0..1 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let mut error = 0.0;
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]   --> src/main.rs:92:13
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let error = af::sum_all(&(&diff * &diff)).0;
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:349:13
[INFO] [stdout]     |
[INFO] [stdout] 349 |             _ => unimplemented!(),
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/main.rs:349:13
[INFO] [stdout]     |
[INFO] [stdout] 342 |             Self::SIGMOID => 1.0 / (1.0 + exp(&(-1.0 * x))),
[INFO] [stdout]     |             ------------- matches some of the same values
[INFO] [stdout] 343 |             Self::RELU => af::clamp(x, &0f64, &f64::INFINITY, true),
[INFO] [stdout]     |             ---------- matches some of the same values
[INFO] [stdout] 344 |             Self::SOFTMAX => {
[INFO] [stdout]     |             ------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 349 |             _ => unimplemented!(),
[INFO] [stdout]     |             ^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:361:13
[INFO] [stdout]     |
[INFO] [stdout] 361 |             _ => unimplemented!(),
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/main.rs:361:13
[INFO] [stdout]     |
[INFO] [stdout] 355 |             Self::SIGMOID => {
[INFO] [stdout]     |             ------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 359 |             Self::RELU => af::ge(x, &0f64, true).cast(),
[INFO] [stdout]     |             ---------- matches some of the same values
[INFO] [stdout] 360 |             Self::SOFTMAX => af::constant(1.0, x.dims()),
[INFO] [stdout]     |             ------------- matches some of the same values
[INFO] [stdout] 361 |             _ => unimplemented!(),
[INFO] [stdout]     |             ^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `inputs` is never read
[INFO] [stdout]    --> src/main.rs:306:5
[INFO] [stdout]     |
[INFO] [stdout] 305 | struct Layer {
[INFO] [stdout]     |        ----- field in this struct
[INFO] [stdout] 306 |     inputs: u64,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SOFTMAX` is never constructed
[INFO] [stdout]    --> src/main.rs:336:5
[INFO] [stdout]     |
[INFO] [stdout] 333 | enum Activation {
[INFO] [stdout]     |      ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 336 |     SOFTMAX,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Activation` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.67s
[INFO] running `Command { std: "docker" "inspect" "374271455d2be10dd2be71b83709f1915038edf57e3908c0fb98951cfe2267a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "374271455d2be10dd2be71b83709f1915038edf57e3908c0fb98951cfe2267a6", kill_on_drop: false }`
[INFO] [stdout] 374271455d2be10dd2be71b83709f1915038edf57e3908c0fb98951cfe2267a6
