[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 master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGuap-Codes%2Fgbrt-rs" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Guap-Codes/gbrt-rs on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9bf51ef4b696e60fa1076ff867d3946cb4242bc2e3164e166c01a9aeffb0f997
[INFO] running `Command { std: "docker" "start" "-a" "9bf51ef4b696e60fa1076ff867d3946cb4242bc2e3164e166c01a9aeffb0f997", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9bf51ef4b696e60fa1076ff867d3946cb4242bc2e3164e166c01a9aeffb0f997", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bf51ef4b696e60fa1076ff867d3946cb4242bc2e3164e166c01a9aeffb0f997", kill_on_drop: false }`
[INFO] [stdout] 9bf51ef4b696e60fa1076ff867d3946cb4242bc2e3164e166c01a9aeffb0f997
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18493dd6d30da3dc6b81af845503c721e14738a46037780a8acaa265e33d263b
[INFO] running `Command { std: "docker" "start" "-a" "18493dd6d30da3dc6b81af845503c721e14738a46037780a8acaa265e33d263b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
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[INFO] [stderr]    Compiling gbrt-rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3m 17s
[INFO] running `Command { std: "docker" "inspect" "18493dd6d30da3dc6b81af845503c721e14738a46037780a8acaa265e33d263b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18493dd6d30da3dc6b81af845503c721e14738a46037780a8acaa265e33d263b", kill_on_drop: false }`
[INFO] [stdout] 18493dd6d30da3dc6b81af845503c721e14738a46037780a8acaa265e33d263b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c297113f679b78f07598218a84c77c48832818b7237d3e5c95c4cf6e8720cee
[INFO] running `Command { std: "docker" "start" "-a" "0c297113f679b78f07598218a84c77c48832818b7237d3e5c95c4cf6e8720cee", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
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[INFO] [stderr]    Compiling gbrt-rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2m 28s
[INFO] running `Command { std: "docker" "inspect" "0c297113f679b78f07598218a84c77c48832818b7237d3e5c95c4cf6e8720cee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c297113f679b78f07598218a84c77c48832818b7237d3e5c95c4cf6e8720cee", kill_on_drop: false }`
[INFO] [stdout] 0c297113f679b78f07598218a84c77c48832818b7237d3e5c95c4cf6e8720cee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b4bf84785a20dfa62a6cb5236c26e1aa89da6d35896b63223f4b41dee45fd58e
[INFO] running `Command { std: "docker" "start" "-a" "b4bf84785a20dfa62a6cb5236c26e1aa89da6d35896b63223f4b41dee45fd58e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/gbrt_rs-8b087c5bce8209d8)
[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-1d53882ce65dd289)
[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/data/preprocessing.rs - data::preprocessing::StandardScaler (line 103) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 55) ... 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/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/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::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:     0x626415033052 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x626415033052 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::trace_unsynchronized::<std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x626415033052 - std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x626415033052 - <<std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[c5ed12ab89cc536a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x62641504766a - <core[c5ed12ab89cc536a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x62641504766a - core[c5ed12ab89cc536a]::fmt::write
[INFO] [stdout]    6:     0x626415037af6 - std[716c9a7a72e5c14e]::io::default_write_fmt::<std[716c9a7a72e5c14e]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x626415037af6 - <std[716c9a7a72e5c14e]::sys::stdio::unix::Stderr as std[716c9a7a72e5c14e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x62641501d6ef - <std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x62641501d6ef - std[716c9a7a72e5c14e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x62641502eb51 - std[716c9a7a72e5c14e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:319:9
[INFO] [stdout]   11:     0x62641502ed0b - std[716c9a7a72e5c14e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:825:13
[INFO] [stdout]   12:     0x62641501d7a8 - std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:698:13
[INFO] [stdout]   13:     0x626415015329 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_end_short_backtrace::<std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   14:     0x62641501e14d - __rustc[4f0b026143eab78e]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:689:5
[INFO] [stdout]   15:     0x626415047d3c - core[c5ed12ab89cc536a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x626415047ab2 - core[c5ed12ab89cc536a]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/result.rs:1867:5
[INFO] [stdout]   17:     0x626414f2788b - rust_out[31cf89adcf23a82a]::main
[INFO] [stdout]   18:     0x626414f28c23 - <fn() as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   19:     0x626414f277e6 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]   20:     0x626414f277f9 - std[716c9a7a72e5c14e]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]   21:     0x62641502e146 - <&dyn core[c5ed12ab89cc536a]::ops::function::Fn<(), Output = i32> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::panic::unwind_safe::RefUnwindSafe as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   22:     0x62641502e146 - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<&dyn core[c5ed12ab89cc536a]::ops::function::Fn<(), Output = i32> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   23:     0x62641502e146 - std[716c9a7a72e5c14e]::panicking::catch_unwind::<i32, &dyn core[c5ed12ab89cc536a]::ops::function::Fn<(), Output = i32> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   24:     0x62641502e146 - std[716c9a7a72e5c14e]::panic::catch_unwind::<&dyn core[c5ed12ab89cc536a]::ops::function::Fn<(), Output = i32> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   25:     0x62641502e146 - std[716c9a7a72e5c14e]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/rt.rs:175:24
[INFO] [stdout]   26:     0x62641502e146 - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<std[716c9a7a72e5c14e]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   27:     0x62641502e146 - std[716c9a7a72e5c14e]::panicking::catch_unwind::<isize, std[716c9a7a72e5c14e]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x62641502e146 - std[716c9a7a72e5c14e]::panic::catch_unwind::<std[716c9a7a72e5c14e]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x62641502e146 - std[716c9a7a72e5c14e]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/rt.rs:171:5
[INFO] [stdout]   30:     0x626414f277d1 - std[716c9a7a72e5c14e]::rt::lang_start::<()>
[INFO] [stdout]   31:     0x626414f28c85 - main
[INFO] [stdout]   32:     0x7aa60da501ca - <unknown>
[INFO] [stdout]   33:     0x7aa60da5028b - __libc_start_main
[INFO] [stdout]   34:     0x626414f276e5 - _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 2.54s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 2.75s; merged doctests compilation took 0.19s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "b4bf84785a20dfa62a6cb5236c26e1aa89da6d35896b63223f4b41dee45fd58e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4bf84785a20dfa62a6cb5236c26e1aa89da6d35896b63223f4b41dee45fd58e", kill_on_drop: false }`
[INFO] [stdout] b4bf84785a20dfa62a6cb5236c26e1aa89da6d35896b63223f4b41dee45fd58e
