[INFO] cloning repository https://github.com/psykomal/micrograd-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/psykomal/micrograd-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsykomal%2Fmicrograd-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsykomal%2Fmicrograd-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4b1ff1ea246543bb43c344a01034f3ea16b80975
[INFO] testing psykomal/micrograd-rs against try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsykomal%2Fmicrograd-rs" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/psykomal/micrograd-rs
[INFO] finished tweaking git repo https://github.com/psykomal/micrograd-rs
[INFO] tweaked toml for git repo https://github.com/psykomal/micrograd-rs written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/psykomal/micrograd-rs on toolchain 9f93af291970322f4f1c6315ccde4d7078201159
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/psykomal/micrograd-rs 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" "+9f93af291970322f4f1c6315ccde4d7078201159" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6f17a4178d9e03d94e25c37f113152e98e6d203d5649304858bb96354ebed77
[INFO] running `Command { std: "docker" "start" "-a" "a6f17a4178d9e03d94e25c37f113152e98e6d203d5649304858bb96354ebed77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6f17a4178d9e03d94e25c37f113152e98e6d203d5649304858bb96354ebed77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6f17a4178d9e03d94e25c37f113152e98e6d203d5649304858bb96354ebed77", kill_on_drop: false }`
[INFO] [stdout] a6f17a4178d9e03d94e25c37f113152e98e6d203d5649304858bb96354ebed77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99e151065e20bc3491a943c804ef1a7cf29d140ec61eac9395921f677388786e
[INFO] running `Command { std: "docker" "start" "-a" "99e151065e20bc3491a943c804ef1a7cf29d140ec61eac9395921f677388786e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling micrograd-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Op`
[INFO] [stdout]  --> src/main.rs:3:28
[INFO] [stdout]   |
[INFO] [stdout] 3 | use micrograd_rs::engine::{Op, Value};
[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 imports: `Layer` and `Neuron`
[INFO] [stdout]  --> src/main.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | use micrograd_rs::nn::{Layer, Neuron, ZeroGrad, MLP};
[INFO] [stdout]   |                        ^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.77s
[INFO] running `Command { std: "docker" "inspect" "99e151065e20bc3491a943c804ef1a7cf29d140ec61eac9395921f677388786e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99e151065e20bc3491a943c804ef1a7cf29d140ec61eac9395921f677388786e", kill_on_drop: false }`
[INFO] [stdout] 99e151065e20bc3491a943c804ef1a7cf29d140ec61eac9395921f677388786e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a8877c1c477bd0edbafb1d3a57e04029c2c1eaa819bd1728d38929730efcafa
[INFO] running `Command { std: "docker" "start" "-a" "0a8877c1c477bd0edbafb1d3a57e04029c2c1eaa819bd1728d38929730efcafa", kill_on_drop: false }`
[INFO] [stderr]    Compiling micrograd-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Op`
[INFO] [stdout]  --> src/main.rs:3:28
[INFO] [stdout]   |
[INFO] [stdout] 3 | use micrograd_rs::engine::{Op, Value};
[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 imports: `Layer` and `Neuron`
[INFO] [stdout]  --> src/main.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | use micrograd_rs::nn::{Layer, Neuron, ZeroGrad, MLP};
[INFO] [stdout]   |                        ^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "0a8877c1c477bd0edbafb1d3a57e04029c2c1eaa819bd1728d38929730efcafa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a8877c1c477bd0edbafb1d3a57e04029c2c1eaa819bd1728d38929730efcafa", kill_on_drop: false }`
[INFO] [stdout] 0a8877c1c477bd0edbafb1d3a57e04029c2c1eaa819bd1728d38929730efcafa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 839ad14f2fb67a86f1d70572a0f3e9a5c83b7f947bdfe2bd2aee74a3baeb19a7
[INFO] running `Command { std: "docker" "start" "-a" "839ad14f2fb67a86f1d70572a0f3e9a5c83b7f947bdfe2bd2aee74a3baeb19a7", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `Op`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/main.rs:3:28
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 3 | use micrograd_rs::engine::{Op, Value};
[INFO] [stdout] 
[INFO] [stderr]   |                            ^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] running 0 tests
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] warning: unused imports: `Layer` and `Neuron`
[INFO] [stdout] 
[INFO] [stderr]  --> src/main.rs:4:24
[INFO] [stderr]   |
[INFO] [stderr] 4 | use micrograd_rs::nn::{Layer, Neuron, ZeroGrad, MLP};
[INFO] [stderr]   |                        ^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `micrograd-rs` (bin "micrograd-rs" test) generated 2 warnings (run `cargo fix --bin "micrograd-rs" -p micrograd-rs --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/micrograd_rs-5d1fde03db42150a)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/micrograd_rs-2c0167a8694c18a7)
[INFO] [stderr]    Doc-tests micrograd_rs
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "839ad14f2fb67a86f1d70572a0f3e9a5c83b7f947bdfe2bd2aee74a3baeb19a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "839ad14f2fb67a86f1d70572a0f3e9a5c83b7f947bdfe2bd2aee74a3baeb19a7", kill_on_drop: false }`
[INFO] [stdout] 839ad14f2fb67a86f1d70572a0f3e9a5c83b7f947bdfe2bd2aee74a3baeb19a7