[INFO] cloning repository https://github.com/Guap-Codes/gbrt-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Guap-Codes/gbrt-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGuap-Codes%2Fgbrt-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGuap-Codes%2Fgbrt-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8e0c0b383a247f5657c0f3046515a638d09a3fe4
[INFO] testing Guap-Codes/gbrt-rs against beta-2026-01-20 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGuap-Codes%2Fgbrt-rs" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Guap-Codes/gbrt-rs
[INFO] finished tweaking git repo https://github.com/Guap-Codes/gbrt-rs
[INFO] tweaked toml for git repo https://github.com/Guap-Codes/gbrt-rs written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Guap-Codes/gbrt-rs on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Guap-Codes/gbrt-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" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] f425b8c8ec95d093ebedef93dec278ba3a700e45abbe6dacc9e0ee56f302ec41
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[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 49.90s
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[INFO] [stdout] f425b8c8ec95d093ebedef93dec278ba3a700e45abbe6dacc9e0ee56f302ec41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
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[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/gbrt_rs-afe1b8acddb915df)
[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]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/gbrt_rs-95ab4f017433e00d)
[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 gbrt_rs
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - (line 55) ... FAILED
[INFO] [stdout] test src/data/preprocessing.rs - data::preprocessing::StandardScaler (line 103) ... FAILED
[INFO] [stdout] test src/data/preprocessing.rs - data::preprocessing::MinMaxScaler (line 227) ... FAILED
[INFO] [stdout] test src/lib.rs - GBRTModel (line 222) ... ok
[INFO] [stdout] test src/lib.rs - (line 33) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 55) stdout ----
[INFO] [stdout] error[E0432]: unresolved imports `gbrt_rs::GBRTConfig`, `gbrt_rs::LossFunction`
[INFO] [stdout]   --> src/lib.rs:58:37
[INFO] [stdout]    |
[INFO] [stdout] 58 |     GBRTModel, Dataset, DataLoader, GBRTConfig,
[INFO] [stdout]    |                                     ^^^^^^^^^^ no `GBRTConfig` in the root
[INFO] [stdout] 59 |     LossFunction, ObjectiveType
[INFO] [stdout]    |     ^^^^^^^^^^^^ no `LossFunction` in the root
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider importing this struct instead:
[INFO] [stdout]            gbrt_rs::boosting::GBRTConfig
[INFO] [stdout]    = help: consider importing this enum instead:
[INFO] [stdout]            gbrt_rs::core::LossFunction
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/data/preprocessing.rs - data::preprocessing::StandardScaler (line 103) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `z` in this scope
[INFO] [stdout]    --> src/data/preprocessing.rs:104:1
[INFO] [stdout]     |
[INFO] [stdout] 104 | z = (x - μ) / σ
[INFO] [stdout]     | ^
[INFO] [stdout]     |
[INFO] [stdout] help: you might have meant to introduce a new binding
[INFO] [stdout]     |
[INFO] [stdout] 104 | let z = (x - μ) / σ
[INFO] [stdout]     | +++
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `x` in this scope
[INFO] [stdout]    --> src/data/preprocessing.rs:104:6
[INFO] [stdout]     |
[INFO] [stdout] 104 | z = (x - μ) / σ
[INFO] [stdout]     |      ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `μ` in this scope
[INFO] [stdout]    --> src/data/preprocessing.rs:104:10
[INFO] [stdout]     |
[INFO] [stdout] 104 | z = (x - μ) / σ
[INFO] [stdout]     |          ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `σ` in this scope
[INFO] [stdout]    --> src/data/preprocessing.rs:104:15
[INFO] [stdout]     |
[INFO] [stdout] 104 | z = (x - μ) / σ
[INFO] [stdout]     |               ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/data/preprocessing.rs - data::preprocessing::MinMaxScaler (line 227) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `z` in this scope
[INFO] [stdout]    --> src/data/preprocessing.rs:228:1
[INFO] [stdout]     |
[INFO] [stdout] 228 | z = (x - x_min) / (x_max - x_min) * (max_range - min_range) + min_range
[INFO] [stdout]     | ^
[INFO] [stdout]     |
[INFO] [stdout] help: you might have meant to introduce a new binding
[INFO] [stdout]     |
[INFO] [stdout] 228 | let z = (x - x_min) / (x_max - x_min) * (max_range - min_range) + min_range
[INFO] [stdout]     | +++
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `x` in this scope
[INFO] [stdout]    --> src/data/preprocessing.rs:228:6
[INFO] [stdout]     |
[INFO] [stdout] 228 | z = (x - x_min) / (x_max - x_min) * (max_range - min_range) + min_range
[INFO] [stdout]     |      ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `x_min` in this scope
[INFO] [stdout]    --> src/data/preprocessing.rs:228:10
[INFO] [stdout]     |
[INFO] [stdout] 228 | z = (x - x_min) / (x_max - x_min) * (max_range - min_range) + min_range
[INFO] [stdout]     |          ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `x_max` in this scope
[INFO] [stdout]    --> src/data/preprocessing.rs:228:20
[INFO] [stdout]     |
[INFO] [stdout] 228 | z = (x - x_min) / (x_max - x_min) * (max_range - min_range) + min_range
[INFO] [stdout]     |                    ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `x_min` in this scope
[INFO] [stdout]    --> src/data/preprocessing.rs:228:28
[INFO] [stdout]     |
[INFO] [stdout] 228 | z = (x - x_min) / (x_max - x_min) * (max_range - min_range) + min_range
[INFO] [stdout]     |                            ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `max_range` in this scope
[INFO] [stdout]    --> src/data/preprocessing.rs:228:38
[INFO] [stdout]     |
[INFO] [stdout] 228 | z = (x - x_min) / (x_max - x_min) * (max_range - min_range) + min_range
[INFO] [stdout]     |                                      ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `min_range` in this scope
[INFO] [stdout]    --> src/data/preprocessing.rs:228:50
[INFO] [stdout]     |
[INFO] [stdout] 228 | z = (x - x_min) / (x_max - x_min) * (max_range - min_range) + min_range
[INFO] [stdout]     |                                                  ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `min_range` in this scope
[INFO] [stdout]    --> src/data/preprocessing.rs:228:63
[INFO] [stdout]     |
[INFO] [stdout] 228 | z = (x - x_min) / (x_max - x_min) * (max_range - min_range) + min_range
[INFO] [stdout]     |                                                               ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 33) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (79) panicked at src/lib.rs:22:35:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: IoError(Os { code: 2, kind: NotFound, message: "No such file or directory" })
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56f644376742 - std::backtrace_rs::backtrace::libunwind::trace::hf0bd46b30bc61685
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x56f644376742 - std::backtrace_rs::backtrace::trace_unsynchronized::h1d1fbb72ad89d7b7
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x56f644376742 - std::sys::backtrace::_print_fmt::he38b6f68ca847f47
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x56f644376742 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hb7e843cde1bc81a3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x56f64438712a - core::fmt::rt::Argument::fmt::hc1dd77ac64f2688c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x56f64438712a - core::fmt::write::h952c506e2dbe9cff
[INFO] [stdout]    6:     0x56f644354156 - std::io::default_write_fmt::h72db0b4dbd5dcfa2
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x56f644354156 - std::io::Write::write_fmt::hb496f2b9b027aa16
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x56f64435b796 - std::sys::backtrace::BacktraceLock::print::h1079b82381c2c252
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x56f64435b796 - std::panicking::default_hook::{{closure}}::h85cb76b8462c00f2
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x56f64435b5f6 - std::panicking::default_hook::h0134d220cc034c02
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:319:9
[INFO] [stdout]   11:     0x56f64435b9db - std::panicking::panic_with_hook::h8119b6db1fef734f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:825:13
[INFO] [stdout]   12:     0x56f64435b858 - std::panicking::panic_handler::{{closure}}::h24f5360b91482c0e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:698:13
[INFO] [stdout]   13:     0x56f644359d49 - std::sys::backtrace::__rust_end_short_backtrace::h4e60c5cbd1bd0108
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   14:     0x56f64434914d - __rustc[e4c6931bd8050421]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:689:5
[INFO] [stdout]   15:     0x56f64438fb5c - core::panicking::panic_fmt::hb1614a3ff6840071
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x56f64438f382 - core::result::unwrap_failed::h7d4c34940aded59c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/result.rs:1867:5
[INFO] [stdout]   17:     0x56f6442699eb - rust_out::main::hfd6f621749dac69f
[INFO] [stdout]   18:     0x56f644268e23 - core::ops::function::FnOnce::call_once::hb1397b18da3aaedb
[INFO] [stdout]   19:     0x56f644268dc6 - std::sys::backtrace::__rust_begin_short_backtrace::h8c9a816bbcffd5a8
[INFO] [stdout]   20:     0x56f644268da9 - std::rt::lang_start::{{closure}}::he61f35d05d768b48
[INFO] [stdout]   21:     0x56f644355846 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hd1cc8864ab2ce613
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   22:     0x56f644355846 - std::panicking::catch_unwind::do_call::h761b8a8d54647a61
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   23:     0x56f644355846 - std::panicking::catch_unwind::hb78a0edcad597ebc
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   24:     0x56f644355846 - std::panic::catch_unwind::hf40177800cac754b
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   25:     0x56f644355846 - std::rt::lang_start_internal::{{closure}}::ha1b3ca2f45db2265
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/rt.rs:175:24
[INFO] [stdout]   26:     0x56f644355846 - std::panicking::catch_unwind::do_call::hca68f60e509d57f2
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   27:     0x56f644355846 - std::panicking::catch_unwind::h75a65b4419799b0f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x56f644355846 - std::panic::catch_unwind::h56fc4c7ccdf741b6
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x56f644355846 - std::rt::lang_start_internal::h267ec6e0203f10ab
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/rt.rs:171:5
[INFO] [stdout]   30:     0x56f644268d91 - std::rt::lang_start::h9890a617c1815e16
[INFO] [stdout]   31:     0x56f64426a1d5 - main
[INFO] [stdout]   32:     0x78b6e63a01ca - <unknown>
[INFO] [stdout]   33:     0x78b6e63a028b - __libc_start_main
[INFO] [stdout]   34:     0x56f644268c35 - _start
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/data/preprocessing.rs - data::preprocessing::MinMaxScaler (line 227)
[INFO] [stdout]     src/data/preprocessing.rs - data::preprocessing::StandardScaler (line 103)
[INFO] [stdout]     src/lib.rs - (line 33)
[INFO] [stdout]     src/lib.rs - (line 55)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.66s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.79s; merged doctests compilation took 0.12s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "a6b495a280540fead97362115de3ae7fcdc456acd15d99a4fe80e2673b35be98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6b495a280540fead97362115de3ae7fcdc456acd15d99a4fe80e2673b35be98", kill_on_drop: false }`
[INFO] [stdout] a6b495a280540fead97362115de3ae7fcdc456acd15d99a4fe80e2673b35be98
