[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 try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739
[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 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "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" "+33835004928d3bf65db4d4712e1330766263b0bd" "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-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_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" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3da2c8bce73079dcedf0fee3214c4456e2b3ed07e520fdc3e9f66d518c64ffb6
[INFO] running `Command { std: "docker" "start" "-a" "3da2c8bce73079dcedf0fee3214c4456e2b3ed07e520fdc3e9f66d518c64ffb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3da2c8bce73079dcedf0fee3214c4456e2b3ed07e520fdc3e9f66d518c64ffb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3da2c8bce73079dcedf0fee3214c4456e2b3ed07e520fdc3e9f66d518c64ffb6", kill_on_drop: false }`
[INFO] [stdout] 3da2c8bce73079dcedf0fee3214c4456e2b3ed07e520fdc3e9f66d518c64ffb6
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41c1857b6f8e45cecd5743cb381ec29e98484e0dd0205c0c1ca005817ac04df2
[INFO] running `Command { std: "docker" "start" "-a" "41c1857b6f8e45cecd5743cb381ec29e98484e0dd0205c0c1ca005817ac04df2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling bytes v1.11.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.64
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling arrow-schema v57.1.0
[INFO] [stderr]    Compiling lexical-util v1.0.7
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling find-msvc-tools v0.1.4
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling lexical-parse-integer v1.0.6
[INFO] [stderr]    Compiling lexical-write-integer v1.0.6
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.2
[INFO] [stderr]    Compiling lexical-parse-float v1.0.6
[INFO] [stderr]    Compiling snap v1.1.1
[INFO] [stderr]    Compiling simdutf8 v0.1.5
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling flatbuffers v25.9.23
[INFO] [stderr]    Compiling anstyle-query v1.1.4
[INFO] [stderr]    Compiling zlib-rs v0.5.3
[INFO] [stderr]    Compiling anstyle v1.0.13
[INFO] [stderr]    Compiling lexical-write-float v1.0.6
[INFO] [stderr]    Compiling anstream v0.6.21
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling csv-core v0.1.13
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling lexical-core v1.0.6
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling indexmap v2.12.1
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling integer-encoding v3.0.4
[INFO] [stderr]    Compiling clap_lex v0.7.6
[INFO] [stderr]    Compiling virtue v0.0.18
[INFO] [stderr]    Compiling twox-hash v2.1.2
[INFO] [stderr]    Compiling clap_builder v4.5.51
[INFO] [stderr]    Compiling brotli v8.0.2
[INFO] [stderr]    Compiling cc v1.2.45
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling lz4_flex v0.12.0
[INFO] [stderr]    Compiling unty v0.0.4
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling bincode_derive v2.0.1
[INFO] [stderr]    Compiling zstd-sys v2.0.16+zstd.1.5.7
[INFO] [stderr]    Compiling csv v1.4.0
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling atoi v2.0.0
[INFO] [stderr]    Compiling ordered-float v2.10.1
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling thrift v0.17.0
[INFO] [stderr]    Compiling zerocopy-derive v0.8.27
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling libz-rs-sys v0.5.3
[INFO] [stderr]    Compiling flate2 v1.1.5
[INFO] [stderr]    Compiling clap_derive v4.5.49
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling arrow-buffer v57.1.0
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling clap v4.5.51
[INFO] [stderr]    Compiling arrow-data v57.1.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling zstd v0.13.3
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling ndarray v0.17.1
[INFO] [stderr]    Compiling bincode v2.0.1
[INFO] [stderr]    Compiling arrow-array v57.1.0
[INFO] [stderr]    Compiling arrow-select v57.1.0
[INFO] [stderr]    Compiling arrow-row v57.1.0
[INFO] [stderr]    Compiling arrow-arith v57.1.0
[INFO] [stderr]    Compiling arrow-ord v57.1.0
[INFO] [stderr]    Compiling arrow-ipc v57.1.0
[INFO] [stderr]    Compiling arrow-string v57.1.0
[INFO] [stderr]    Compiling arrow-cast v57.1.0
[INFO] [stderr]    Compiling arrow-json v57.1.0
[INFO] [stderr]    Compiling arrow-csv v57.1.0
[INFO] [stderr]    Compiling parquet v57.1.0
[INFO] [stderr]    Compiling arrow v57.1.0
[INFO] [stderr]    Compiling gbrt-rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 32s
[INFO] running `Command { std: "docker" "inspect" "41c1857b6f8e45cecd5743cb381ec29e98484e0dd0205c0c1ca005817ac04df2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41c1857b6f8e45cecd5743cb381ec29e98484e0dd0205c0c1ca005817ac04df2", kill_on_drop: false }`
[INFO] [stdout] 41c1857b6f8e45cecd5743cb381ec29e98484e0dd0205c0c1ca005817ac04df2
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6f4f6c6f343e447f13fe1c20f146bc9848dbd72d139625c049cf6cfa407f83e
[INFO] running `Command { std: "docker" "start" "-a" "f6f4f6c6f343e447f13fe1c20f146bc9848dbd72d139625c049cf6cfa407f83e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling unarray v0.1.4
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling flatbuffers v25.9.23
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling wait-timeout v0.2.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling cc v1.2.45
[INFO] [stderr]    Compiling criterion-plot v0.6.0
[INFO] [stderr]    Compiling arrow-array v57.1.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_xorshift v0.4.0
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling zstd-sys v2.0.16+zstd.1.5.7
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling rusty-fork v0.3.1
[INFO] [stderr]    Compiling proptest v1.9.0
[INFO] [stderr]    Compiling arrow-select v57.1.0
[INFO] [stderr]    Compiling arrow-row v57.1.0
[INFO] [stderr]    Compiling arrow-arith v57.1.0
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling criterion v0.7.0
[INFO] [stderr]    Compiling arrow-ord v57.1.0
[INFO] [stderr]    Compiling arrow-ipc v57.1.0
[INFO] [stderr]    Compiling arrow-string v57.1.0
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]    Compiling zstd v0.13.3
[INFO] [stderr]    Compiling arrow-cast v57.1.0
[INFO] [stderr]    Compiling arrow-json v57.1.0
[INFO] [stderr]    Compiling arrow-csv v57.1.0
[INFO] [stderr]    Compiling parquet v57.1.0
[INFO] [stderr]    Compiling arrow v57.1.0
[INFO] [stderr]    Compiling gbrt-rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] running `Command { std: "docker" "inspect" "f6f4f6c6f343e447f13fe1c20f146bc9848dbd72d139625c049cf6cfa407f83e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6f4f6c6f343e447f13fe1c20f146bc9848dbd72d139625c049cf6cfa407f83e", kill_on_drop: false }`
[INFO] [stdout] f6f4f6c6f343e447f13fe1c20f146bc9848dbd72d139625c049cf6cfa407f83e
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0bdc7459721f23f9aa8dce8d88f88cada84b6882e3e0f4075438163487a4d580
[INFO] running `Command { std: "docker" "start" "-a" "0bdc7459721f23f9aa8dce8d88f88cada84b6882e3e0f4075438163487a4d580", kill_on_drop: false }`
[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] [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]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/gbrt_rs-c9ac9f09a349f2c1)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/gbrt_rs-00b2371e2b74c5ca)
[INFO] [stderr]    Doc-tests gbrt_rs
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[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 - (line 55) ... 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/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 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/lib.rs - (line 33) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (95) 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:     0x650217f2895a - std[ec419fa8110287d5]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x650217f2895a - std[ec419fa8110287d5]::backtrace_rs::backtrace::trace_unsynchronized::<std[ec419fa8110287d5]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x650217f2895a - std[ec419fa8110287d5]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x650217f2895a - <<std[ec419fa8110287d5]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[35159d6ffb30e017]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x650217f3c4aa - <core[35159d6ffb30e017]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x650217f3c4aa - core[35159d6ffb30e017]::fmt::write
[INFO] [stdout]    6:     0x650217f2cbc2 - std[ec419fa8110287d5]::io::default_write_fmt::<std[ec419fa8110287d5]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x650217f2cbc2 - <std[ec419fa8110287d5]::sys::stdio::unix::Stderr as std[ec419fa8110287d5]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x650217f13b6f - <std[ec419fa8110287d5]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x650217f13b6f - std[ec419fa8110287d5]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x650217f24551 - std[ec419fa8110287d5]::panicking::default_hook
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:319:9
[INFO] [stdout]   11:     0x650217f2470b - std[ec419fa8110287d5]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:825:13
[INFO] [stdout]   12:     0x650217f13c28 - std[ec419fa8110287d5]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:698:13
[INFO] [stdout]   13:     0x650217f0b829 - std[ec419fa8110287d5]::sys::backtrace::__rust_end_short_backtrace::<std[ec419fa8110287d5]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   14:     0x650217f1458d - __rustc[cfb3622dd870db93]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:689:5
[INFO] [stdout]   15:     0x650217f3cbfc - core[35159d6ffb30e017]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x650217f3c972 - core[35159d6ffb30e017]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/result.rs:1867:5
[INFO] [stdout]   17:     0x650217e1e17b - rust_out[999a937b1cc8d0f6]::main
[INFO] [stdout]   18:     0x650217e1f383 - <fn() as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   19:     0x650217e1e0d6 - std[ec419fa8110287d5]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]   20:     0x650217e1e0e9 - std[ec419fa8110287d5]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]   21:     0x650217f23cd7 - <&dyn core[35159d6ffb30e017]::ops::function::Fn<(), Output = i32> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::panic::unwind_safe::RefUnwindSafe as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   22:     0x650217f23cd7 - std[ec419fa8110287d5]::panicking::catch_unwind::do_call::<&dyn core[35159d6ffb30e017]::ops::function::Fn<(), Output = i32> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]   23:     0x650217f23cd7 - std[ec419fa8110287d5]::panicking::catch_unwind::<i32, &dyn core[35159d6ffb30e017]::ops::function::Fn<(), Output = i32> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   24:     0x650217f23cd7 - std[ec419fa8110287d5]::panic::catch_unwind::<&dyn core[35159d6ffb30e017]::ops::function::Fn<(), Output = i32> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   25:     0x650217f23cd7 - std[ec419fa8110287d5]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/rt.rs:175:24
[INFO] [stdout]   26:     0x650217f23cd7 - std[ec419fa8110287d5]::panicking::catch_unwind::do_call::<std[ec419fa8110287d5]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]   27:     0x650217f23cd7 - std[ec419fa8110287d5]::panicking::catch_unwind::<isize, std[ec419fa8110287d5]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x650217f23cd7 - std[ec419fa8110287d5]::panic::catch_unwind::<std[ec419fa8110287d5]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x650217f23cd7 - std[ec419fa8110287d5]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/rt.rs:171:5
[INFO] [stdout]   30:     0x650217e1e0c1 - std[ec419fa8110287d5]::rt::lang_start::<()>
[INFO] [stdout]   31:     0x650217e1f3e5 - main
[INFO] [stdout]   32:     0x7d230f5aa1ca - <unknown>
[INFO] [stdout]   33:     0x7d230f5aa28b - __libc_start_main
[INFO] [stdout]   34:     0x650217e1dfd5 - _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 1.67s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 1.91s; merged doctests compilation took 0.24s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "0bdc7459721f23f9aa8dce8d88f88cada84b6882e3e0f4075438163487a4d580", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bdc7459721f23f9aa8dce8d88f88cada84b6882e3e0f4075438163487a4d580", kill_on_drop: false }`
[INFO] [stdout] 0bdc7459721f23f9aa8dce8d88f88cada84b6882e3e0f4075438163487a4d580
