[INFO] cloning repository https://github.com/LManuXx/little-flow
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LManuXx/little-flow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLManuXx%2Flittle-flow", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLManuXx%2Flittle-flow'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e9d16aad502f2c910779a868fa8a8c80eed79071
[INFO] checking LManuXx/little-flow against 760e1de835e253bf28bbcbfee38b5e8ed9ffe074 for pr-133502-26
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLManuXx%2Flittle-flow" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/LManuXx/little-flow
[INFO] finished tweaking git repo https://github.com/LManuXx/little-flow
[INFO] tweaked toml for git repo https://github.com/LManuXx/little-flow written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/LManuXx/little-flow on toolchain 760e1de835e253bf28bbcbfee38b5e8ed9ffe074
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+760e1de835e253bf28bbcbfee38b5e8ed9ffe074" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/LManuXx/little-flow 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" "+760e1de835e253bf28bbcbfee38b5e8ed9ffe074" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking LManuXx/little-flow against 760e1de835e253bf28bbcbfee38b5e8ed9ffe074 for pr-133502-26
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLManuXx%2Flittle-flow" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/LManuXx/little-flow
[INFO] finished tweaking git repo https://github.com/LManuXx/little-flow
[INFO] tweaked toml for git repo https://github.com/LManuXx/little-flow written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/LManuXx/little-flow on toolchain 760e1de835e253bf28bbcbfee38b5e8ed9ffe074
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+760e1de835e253bf28bbcbfee38b5e8ed9ffe074" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/LManuXx/little-flow 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" "+760e1de835e253bf28bbcbfee38b5e8ed9ffe074" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1fa6594d87c8fa7b311925a7a77a16f539833322d9dfba4ce891f211db2f90b1" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 58cd538a18c6686c9f7fe962b95a1ece5d449614134272f263732a732bfeddd3
[INFO] running `Command { std: "docker" "start" "58cd538a18c6686c9f7fe962b95a1ece5d449614134272f263732a732bfeddd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58cd538a18c6686c9f7fe962b95a1ece5d449614134272f263732a732bfeddd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "58cd538a18c6686c9f7fe962b95a1ece5d449614134272f263732a732bfeddd3" "/opt/rustwide/cargo-home/bin/cargo" "+760e1de835e253bf28bbcbfee38b5e8ed9ffe074" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58cd538a18c6686c9f7fe962b95a1ece5d449614134272f263732a732bfeddd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "58cd538a18c6686c9f7fe962b95a1ece5d449614134272f263732a732bfeddd3" "/opt/rustwide/cargo-home/bin/cargo" "+760e1de835e253bf28bbcbfee38b5e8ed9ffe074" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]     Checking half v2.6.0
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.0
[INFO] [stderr]     Checking littleflow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `dL_dy` should have a snake case name
[INFO] [stdout]   --> src/layer/dense.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         dL_dy: &Tensor<T>,
[INFO] [stdout]    |         ^^^^^ help: convert the identifier to snake case: `d_l_dy`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `input_T` should have a snake case name
[INFO] [stdout]   --> src/layer/dense.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let input_T = input.transpose();
[INFO] [stdout]    |             ^^^^^^^ help: convert the identifier to snake case: `input_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `weights_T` should have a snake case name
[INFO] [stdout]   --> src/layer/dense.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let weights_T = self.weights.transpose();
[INFO] [stdout]    |             ^^^^^^^^^ help: convert the identifier to snake case: `weights_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `dL_dy` should have a snake case name
[INFO] [stdout]   --> src/layer/dense.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         dL_dy: &Tensor<T>,
[INFO] [stdout]    |         ^^^^^ help: convert the identifier to snake case: `d_l_dy`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `input_T` should have a snake case name
[INFO] [stdout]   --> src/layer/dense.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let input_T = input.transpose();
[INFO] [stdout]    |             ^^^^^^^ help: convert the identifier to snake case: `input_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `weights_T` should have a snake case name
[INFO] [stdout]   --> src/layer/dense.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let weights_T = self.weights.transpose();
[INFO] [stdout]    |             ^^^^^^^^^ help: convert the identifier to snake case: `weights_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TrainableLayer`
[INFO] [stdout]  --> tests/binary_sum.rs:3:36
[INFO] [stdout]   |
[INFO] [stdout] 3 | use littleflow::layer::trainable::{TrainableLayer, TrainableModel};
[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: `littleflow::loss::Loss`
[INFO] [stdout]  --> tests/binary_sum.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use littleflow::loss::Loss;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `dL_dy` should have a snake case name
[INFO] [stdout]   --> tests/train_dense.rs:40:17
[INFO] [stdout]    |
[INFO] [stdout] 40 |             let dL_dy = loss_fn.backward(&pred, target);
[INFO] [stdout]    |                 ^^^^^ help: convert the identifier to snake case: `d_l_dy`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.05s
[INFO] running `Command { std: "docker" "inspect" "58cd538a18c6686c9f7fe962b95a1ece5d449614134272f263732a732bfeddd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58cd538a18c6686c9f7fe962b95a1ece5d449614134272f263732a732bfeddd3", kill_on_drop: false }`
[INFO] [stdout] 58cd538a18c6686c9f7fe962b95a1ece5d449614134272f263732a732bfeddd3
