[INFO] cloning repository https://github.com/poneciak57/linear-regression-from-scratch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/poneciak57/linear-regression-from-scratch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fponeciak57%2Flinear-regression-from-scratch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fponeciak57%2Flinear-regression-from-scratch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c07e833253cf023e82e60f9efac4b72ad5cb770
[INFO] testing poneciak57/linear-regression-from-scratch against beta-2026-03-05 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fponeciak57%2Flinear-regression-from-scratch" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/poneciak57/linear-regression-from-scratch
[INFO] finished tweaking git repo https://github.com/poneciak57/linear-regression-from-scratch
[INFO] tweaked toml for git repo https://github.com/poneciak57/linear-regression-from-scratch written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/poneciak57/linear-regression-from-scratch on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/poneciak57/linear-regression-from-scratch 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" "+beta-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76b753ac6e38bbaae9b3007e1150273be7ea6697797bf97c7260c68015850b0a
[INFO] running `Command { std: "docker" "start" "-a" "76b753ac6e38bbaae9b3007e1150273be7ea6697797bf97c7260c68015850b0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76b753ac6e38bbaae9b3007e1150273be7ea6697797bf97c7260c68015850b0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76b753ac6e38bbaae9b3007e1150273be7ea6697797bf97c7260c68015850b0a", kill_on_drop: false }`
[INFO] [stdout] 76b753ac6e38bbaae9b3007e1150273be7ea6697797bf97c7260c68015850b0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44ad4c31a08e3950f274ef40ed39d7f1ea8af69e7a3f96840724e4ce361956ee
[INFO] running `Command { std: "docker" "start" "-a" "44ad4c31a08e3950f274ef40ed39d7f1ea8af69e7a3f96840724e4ce361956ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling zerocopy v0.8.23
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling csv-core v0.1.12
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling csv v1.3.1
[INFO] [stderr]    Compiling simple-linear-regressor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.84s
[INFO] running `Command { std: "docker" "inspect" "44ad4c31a08e3950f274ef40ed39d7f1ea8af69e7a3f96840724e4ce361956ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44ad4c31a08e3950f274ef40ed39d7f1ea8af69e7a3f96840724e4ce361956ee", kill_on_drop: false }`
[INFO] [stdout] 44ad4c31a08e3950f274ef40ed39d7f1ea8af69e7a3f96840724e4ce361956ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b037b6eb711a66aec5a5782a99eee62f2599b4a82565632510491d62a4552788
[INFO] running `Command { std: "docker" "start" "-a" "b037b6eb711a66aec5a5782a99eee62f2599b4a82565632510491d62a4552788", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple-linear-regressor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "b037b6eb711a66aec5a5782a99eee62f2599b4a82565632510491d62a4552788", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b037b6eb711a66aec5a5782a99eee62f2599b4a82565632510491d62a4552788", kill_on_drop: false }`
[INFO] [stdout] b037b6eb711a66aec5a5782a99eee62f2599b4a82565632510491d62a4552788
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2d780c3f3ae0335f21e6f663e18276f00aa23eef38bb4b11708b9fdd735ec9d4
[INFO] running `Command { std: "docker" "start" "-a" "2d780c3f3ae0335f21e6f663e18276f00aa23eef38bb4b11708b9fdd735ec9d4", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/simple_linear_regressor-c86eb200bc8a8531)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test dataset::tests::test_new_error_handling ... ok
[INFO] [stdout] test dataset::tests::test_split_invalid_test_size ... ok
[INFO] [stdout] test dataset::tests::test_split ... ok
[INFO] [stdout] test regressor::tests::test_not_fitted ... ok
[INFO] [stdout] test regressor::tests::test_linear_func ... ok
[INFO] [stdout] test dataset::tests::test_csv ... ok
[INFO] [stdout] test utils::tests::test_mean_squared_error ... ok
[INFO] [stdout] test regressor::tests::test_high_variance_multi_params_func ... ok
[INFO] [stdout] test utils::tests::test_mean_squared_error_length_mismatch - should panic ... ok
[INFO] [stdout] test regressor::tests::test_multi_params_func ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/simple_linear_regressor-b964050c4701a0e3)
[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] [stderr]    Doc-tests simple_linear_regressor
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/dataset.rs - dataset::DataSet::split (line 51) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/dataset.rs - dataset::DataSet::split (line 51) stdout ----
[INFO] [stdout] error[E0433]: cannot find module or crate `your_crate` in this scope
[INFO] [stdout]   --> src/dataset.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 | use your_crate::dataset::DataSet;
[INFO] [stdout]    |     ^^^^^^^^^^ use of unresolved module or unlinked crate `your_crate`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `your_crate`, use `cargo add your_crate` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/dataset.rs - dataset::DataSet::split (line 51)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "2d780c3f3ae0335f21e6f663e18276f00aa23eef38bb4b11708b9fdd735ec9d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d780c3f3ae0335f21e6f663e18276f00aa23eef38bb4b11708b9fdd735ec9d4", kill_on_drop: false }`
[INFO] [stdout] 2d780c3f3ae0335f21e6f663e18276f00aa23eef38bb4b11708b9fdd735ec9d4
