[INFO] cloning repository https://github.com/killianpinier/micrograd-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/killianpinier/micrograd-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkillianpinier%2Fmicrograd-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkillianpinier%2Fmicrograd-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9822b2503cf7f59d533c21bcb91010251d7bdddc
[INFO] testing killianpinier/micrograd-rust against master#ebf0cf75d368c035f4c7e7246d203bd469ee4a51 for pr-137940
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkillianpinier%2Fmicrograd-rust" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/killianpinier/micrograd-rust on toolchain ebf0cf75d368c035f4c7e7246d203bd469ee4a51
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/killianpinier/micrograd-rust
[INFO] finished tweaking git repo https://github.com/killianpinier/micrograd-rust
[INFO] tweaked toml for git repo https://github.com/killianpinier/micrograd-rust written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/killianpinier/micrograd-rust 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" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac471e14846e9ec262c6615e5ec7a1496cb284c7538496d4be58254f954f373f
[INFO] running `Command { std: "docker" "start" "-a" "ac471e14846e9ec262c6615e5ec7a1496cb284c7538496d4be58254f954f373f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac471e14846e9ec262c6615e5ec7a1496cb284c7538496d4be58254f954f373f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac471e14846e9ec262c6615e5ec7a1496cb284c7538496d4be58254f954f373f", kill_on_drop: false }`
[INFO] [stdout] ac471e14846e9ec262c6615e5ec7a1496cb284c7538496d4be58254f954f373f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e6ec64f998425adfdeeadc14b5a386662b05c4edae79c54a7c4ea9d0700ac4c
[INFO] running `Command { std: "docker" "start" "-a" "4e6ec64f998425adfdeeadc14b5a386662b05c4edae79c54a7c4ea9d0700ac4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling micrograd-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.75s
[INFO] running `Command { std: "docker" "inspect" "4e6ec64f998425adfdeeadc14b5a386662b05c4edae79c54a7c4ea9d0700ac4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e6ec64f998425adfdeeadc14b5a386662b05c4edae79c54a7c4ea9d0700ac4c", kill_on_drop: false }`
[INFO] [stdout] 4e6ec64f998425adfdeeadc14b5a386662b05c4edae79c54a7c4ea9d0700ac4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fef3447a4c435d39a91ca3d1344c71508328b446cfec6ad5f2b4202a74639f46
[INFO] running `Command { std: "docker" "start" "-a" "fef3447a4c435d39a91ca3d1344c71508328b446cfec6ad5f2b4202a74639f46", kill_on_drop: false }`
[INFO] [stderr]    Compiling micrograd-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `fs::File` and `io::Write`
[INFO] [stdout]    --> src/nn.rs:220:15
[INFO] [stdout]     |
[INFO] [stdout] 220 |     use std::{fs::File, io::Write};
[INFO] [stdout]     |               ^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::value::Operation`
[INFO] [stdout]    --> src/nn.rs:222:9
[INFO] [stdout]     |
[INFO] [stdout] 222 |     use crate::value::Operation;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "fef3447a4c435d39a91ca3d1344c71508328b446cfec6ad5f2b4202a74639f46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fef3447a4c435d39a91ca3d1344c71508328b446cfec6ad5f2b4202a74639f46", kill_on_drop: false }`
[INFO] [stdout] fef3447a4c435d39a91ca3d1344c71508328b446cfec6ad5f2b4202a74639f46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 76085a2be3f8d4a3ddad739cee428aed16b0a732ecc07a6acab4579db9e7472f
[INFO] running `Command { std: "docker" "start" "-a" "76085a2be3f8d4a3ddad739cee428aed16b0a732ecc07a6acab4579db9e7472f", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `fs::File` and `io::Write`
[INFO] [stderr]    --> src/nn.rs:220:15
[INFO] [stderr]     |
[INFO] [stderr] 220 |     use std::{fs::File, io::Write};
[INFO] [stderr]     |               ^^^^^^^^  ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::value::Operation`
[INFO] [stderr]    --> src/nn.rs:222:9
[INFO] [stderr]     |
[INFO] [stderr] 222 |     use crate::value::Operation;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `micrograd-rust` (lib test) generated 2 warnings (run `cargo fix --lib -p micrograd-rust --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/micrograd_rust-05b0b5b520a843e7)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test value::tests::add_values ... ok
[INFO] [stdout] test nn::tests::test_loss_function ... ok
[INFO] [stdout] test value::tests::test_loss_backpropagation ... ok
[INFO] [stdout] test nn::tests::simple_mlp ... ok
[INFO] [stdout] test value::tests::test_backpropagation ... ok
[INFO] [stdout] test value::tests::add_two_same_values ... ok
[INFO] [stdout] test value::tests::test_power_operation ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests micrograd_rust
[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" "76085a2be3f8d4a3ddad739cee428aed16b0a732ecc07a6acab4579db9e7472f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76085a2be3f8d4a3ddad739cee428aed16b0a732ecc07a6acab4579db9e7472f", kill_on_drop: false }`
[INFO] [stdout] 76085a2be3f8d4a3ddad739cee428aed16b0a732ecc07a6acab4579db9e7472f