[INFO] fetching crate core-dev 0.0.1...
[INFO] checking core-dev-0.0.1 against master#b3bd7058c139e71bae0862ef8f8ac936208873e9 for pr-123752
[INFO] extracting crate core-dev 0.0.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate core-dev 0.0.1 on toolchain b3bd7058c139e71bae0862ef8f8ac936208873e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate core-dev 0.0.1
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate core-dev 0.0.1
[INFO] tweaked toml for crates.io crate core-dev 0.0.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate core-dev 0.0.1 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" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2fe6d00c8d929fff9588366e187f1c9aef94657c5e267ec2b954fce55ea0d791
[INFO] running `Command { std: "docker" "start" "-a" "2fe6d00c8d929fff9588366e187f1c9aef94657c5e267ec2b954fce55ea0d791", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fe6d00c8d929fff9588366e187f1c9aef94657c5e267ec2b954fce55ea0d791", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fe6d00c8d929fff9588366e187f1c9aef94657c5e267ec2b954fce55ea0d791", kill_on_drop: false }`
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[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f49a35c5a4e884e673039f0b10fb0c9fc6ed5983bf2e0df2ec1f4c70cafd6fb4
[INFO] running `Command { std: "docker" "start" "-a" "f49a35c5a4e884e673039f0b10fb0c9fc6ed5983bf2e0df2ec1f4c70cafd6fb4", kill_on_drop: false }`
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[INFO] [stderr]     Checking core-dev v0.0.1 (/opt/rustwide/workdir)
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[INFO] [stdout] error[E0432]: unresolved import `core_dev::traits`
[INFO] [stdout]   --> examples/use_tree.rs:3:15
[INFO] [stdout]    |
[INFO] [stdout] 3  | use core_dev::traits::StringExtended;
[INFO] [stdout]    |               ^^^^^^ could not find `traits` in `core_dev`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub mod traits;
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    = note: the item is gated behind the `traits` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `core_dev::algorithms`
[INFO] [stdout]   --> benches/bench_algorithms.rs:9:15
[INFO] [stdout]    |
[INFO] [stdout] 9  | use core_dev::algorithms::two_sum;
[INFO] [stdout]    |               ^^^^^^^^^^ could not find `algorithms` in `core_dev`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub mod algorithms;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    = note: the item is gated behind the `algorithms` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::Split`
[INFO] [stdout]  --> examples/use_tree.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::str::Split;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> examples/vectors.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let mut new_vector: Vec<String> = Vec::new();
[INFO] [stdout]   |         ----^^^^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_vector` is never used
[INFO] [stdout]  --> examples/vectors.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn get_vector() -> Vec<String> {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `core-dev` (bench "bench_algorithms") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0432]: unresolved import `core_dev::shell`
[INFO] [stdout]   --> tests/test_lib/shell.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout] 10 |     use core_dev::shell::run_shell_command;
[INFO] [stdout]    |                   ^^^^^ could not find `shell` in `core_dev`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub mod shell;
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    = note: the item is gated behind the `shell` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `core_dev::shell`
[INFO] [stdout]   --> tests/test_lib/shell.rs:11:19
[INFO] [stdout]    |
[INFO] [stdout] 11 |     use core_dev::shell::get_output_of_command;
[INFO] [stdout]    |                   ^^^^^ could not find `shell` in `core_dev`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub mod shell;
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    = note: the item is gated behind the `shell` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `core_dev::shell`
[INFO] [stdout]   --> tests/test_lib/shell.rs:43:19
[INFO] [stdout]    |
[INFO] [stdout] 43 |     use core_dev::shell::get_stdout_in_zsh;
[INFO] [stdout]    |                   ^^^^^ could not find `shell` in `core_dev`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub mod shell;
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    = note: the item is gated behind the `shell` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::rstest`
[INFO] [stdout]  --> tests/test_lib/shell.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     use super::rstest;
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `core-dev` (test "shell") due to 4 previous errors; 1 warning emitted
[INFO] [stdout] error[E0432]: unresolved import `core_dev::core`
[INFO] [stdout]   --> examples/core_usage.rs:3:15
[INFO] [stdout]    |
[INFO] [stdout] 3  | use core_dev::core::read_lines;
[INFO] [stdout]    |               ^^^^ could not find `core` in `core_dev`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub mod core;
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    = note: the item is gated behind the `core` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `core_dev::pathlib`, `core_dev::traits`
[INFO] [stdout]   --> tests/test_lib/pathlib.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |             pathlib::get_files_recursive,
[INFO] [stdout]    |             ^^^^^^^ could not find `pathlib` in `core_dev`
[INFO] [stdout] 16 |             traits::StringExtended,
[INFO] [stdout]    |             ^^^^^^ could not find `traits` in `core_dev`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub mod pathlib;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    = note: the item is gated behind the `pathlib` feature
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub mod traits;
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    = note: the item is gated behind the `traits` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::assert_ne`
[INFO] [stdout]  --> tests/test_lib/pathlib.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     use super::assert_ne;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::rstest`
[INFO] [stdout]   --> tests/test_lib/pathlib.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     use super::rstest;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `core-dev` (example "core_usage") due to 2 previous errors
[INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `core-dev` (test "pathlib") due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] error[E0433]: failed to resolve: could not find `algorithms` in `core_dev`
[INFO] [stdout]   --> tests/test_lib/algorithms.rs:15:19
[INFO] [stdout]    |
[INFO] [stdout] 15 |     use core_dev::algorithms::traits::BinarySearch;
[INFO] [stdout]    |                   ^^^^^^^^^^ could not find `algorithms` in `core_dev`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub mod algorithms;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    = note: the item is gated behind the `algorithms` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `datetime` in `core_dev`
[INFO] [stdout]   --> tests/test_lib/datetime.rs:20:23
[INFO] [stdout]    |
[INFO] [stdout] 20 |         use core_dev::datetime::time_attributes::TimeAttributesBuilder;
[INFO] [stdout]    |                       ^^^^^^^^ could not find `datetime` in `core_dev`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub mod datetime;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: the item is gated behind the `datetime` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `datetime` in `core_dev`
[INFO] [stdout]   --> tests/test_lib/datetime.rs:56:23
[INFO] [stdout]    |
[INFO] [stdout] 56 |         use core_dev::datetime::datetime::seconds_to_time_map;
[INFO] [stdout]    |                       ^^^^^^^^ could not find `datetime` in `core_dev`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub mod datetime;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: the item is gated behind the `datetime` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `core_dev::core`
[INFO] [stdout]   --> tests/test_lib/core.rs:4:19
[INFO] [stdout]    |
[INFO] [stdout] 4  |     use core_dev::core::get_execution_time;
[INFO] [stdout]    |                   ^^^^ could not find `core` in `core_dev`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub mod core;
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    = note: the item is gated behind the `core` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `aesthetics` in `core_dev`
[INFO] [stdout]   --> tests/test_lib/aesthetics.rs:71:19
[INFO] [stdout]    |
[INFO] [stdout] 71 |     use core_dev::aesthetics::ansi::red;
[INFO] [stdout]    |                   ^^^^^^^^^^ could not find `aesthetics` in `core_dev`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub mod aesthetics;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    = note: the item is gated behind the `aesthetics` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `aesthetics` in `core_dev`
[INFO] [stdout]   --> tests/test_lib/aesthetics.rs:72:19
[INFO] [stdout]    |
[INFO] [stdout] 72 |     use core_dev::aesthetics::ansi::red_bold;
[INFO] [stdout]    |                   ^^^^^^^^^^ could not find `aesthetics` in `core_dev`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub mod aesthetics;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    = note: the item is gated behind the `aesthetics` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `aesthetics` in `core_dev`
[INFO] [stdout]   --> tests/test_lib/aesthetics.rs:73:19
[INFO] [stdout]    |
[INFO] [stdout] 73 |     use core_dev::aesthetics::ansi::red_on_bg;
[INFO] [stdout]    |                   ^^^^^^^^^^ could not find `aesthetics` in `core_dev`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub mod aesthetics;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    = note: the item is gated behind the `aesthetics` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `core_dev::core`
[INFO] [stdout]   --> tests/test_lib/core.rs:23:19
[INFO] [stdout]    |
[INFO] [stdout] 23 |     use core_dev::core::print_execution_time;
[INFO] [stdout]    |                   ^^^^ could not find `core` in `core_dev`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub mod core;
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    = note: the item is gated behind the `core` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `core_dev::impl_fixed_color_function`
[INFO] [stdout]   --> tests/test_lib/aesthetics.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |     use core_dev::impl_fixed_color_function;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `impl_fixed_color_function` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `core_dev::pathlib`, `core_dev::traits`
[INFO] [stdout]   --> tests/test_lib/pathlib.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |             pathlib::get_files_recursive,
[INFO] [stdout]    |             ^^^^^^^ could not find `pathlib` in `core_dev`
[INFO] [stdout] 16 |             traits::StringExtended,
[INFO] [stdout]    |             ^^^^^^ could not find `traits` in `core_dev`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub mod pathlib;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    = note: the item is gated behind the `pathlib` feature
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub mod traits;
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    = note: the item is gated behind the `traits` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `core_dev::shell`
[INFO] [stdout]   --> tests/test_lib/shell.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout] 10 |     use core_dev::shell::run_shell_command;
[INFO] [stdout]    |                   ^^^^^ could not find `shell` in `core_dev`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub mod shell;
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    = note: the item is gated behind the `shell` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `core_dev::shell`
[INFO] [stdout]   --> tests/test_lib/shell.rs:11:19
[INFO] [stdout]    |
[INFO] [stdout] 11 |     use core_dev::shell::get_output_of_command;
[INFO] [stdout]    |                   ^^^^^ could not find `shell` in `core_dev`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub mod shell;
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    = note: the item is gated behind the `shell` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `core_dev::shell`
[INFO] [stdout]   --> tests/test_lib/shell.rs:43:19
[INFO] [stdout]    |
[INFO] [stdout] 43 |     use core_dev::shell::get_stdout_in_zsh;
[INFO] [stdout]    |                   ^^^^^ could not find `shell` in `core_dev`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub mod shell;
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    = note: the item is gated behind the `shell` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `pad`
[INFO] [stdout]  --> tests/test_lib/stringlib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use pad::{Alignment, PadStr};
[INFO] [stdout]   |     ^^^ use of undeclared crate or module `pad`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `core_dev::stringlib`
[INFO] [stdout]   --> tests/test_lib/stringlib.rs:6:15
[INFO] [stdout]    |
[INFO] [stdout] 6  | use core_dev::stringlib::align_left;
[INFO] [stdout]    |               ^^^^^^^^^ could not find `stringlib` in `core_dev`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub mod stringlib;
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    = note: the item is gated behind the `stringlib` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `core_dev::stringlib`
[INFO] [stdout]   --> tests/test_lib/stringlib.rs:7:15
[INFO] [stdout]    |
[INFO] [stdout] 7  | use core_dev::stringlib::align_right;
[INFO] [stdout]    |               ^^^^^^^^^ could not find `stringlib` in `core_dev`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub mod stringlib;
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    = note: the item is gated behind the `stringlib` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `core_dev::stringlib`
[INFO] [stdout]   --> tests/test_lib/stringlib.rs:13:19
[INFO] [stdout]    |
[INFO] [stdout] 13 |     use core_dev::stringlib::align_center;
[INFO] [stdout]    |                   ^^^^^^^^^ could not find `stringlib` in `core_dev`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub mod stringlib;
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    = note: the item is gated behind the `stringlib` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `core_dev::stringlib`
[INFO] [stdout]   --> tests/test_lib/stringlib.rs:34:19
[INFO] [stdout]    |
[INFO] [stdout] 34 |     use core_dev::stringlib::AlignString;
[INFO] [stdout]    |                   ^^^^^^^^^ could not find `stringlib` in `core_dev`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub mod stringlib;
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    = note: the item is gated behind the `stringlib` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `core_dev::traits`
[INFO] [stdout]   --> tests/test_lib/traits.rs:8:19
[INFO] [stdout]    |
[INFO] [stdout] 8  |     use core_dev::traits::IndexOfVector;
[INFO] [stdout]    |                   ^^^^^^ could not find `traits` in `core_dev`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub mod traits;
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    = note: the item is gated behind the `traits` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `core_dev::traits`
[INFO] [stdout]    --> tests/test_lib/traits.rs:112:19
[INFO] [stdout]     |
[INFO] [stdout] 112 |     use core_dev::traits::MaxVector;
[INFO] [stdout]     |                   ^^^^^^ could not find `traits` in `core_dev`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:35:9
[INFO] [stdout]     |
[INFO] [stdout] 35  | pub mod traits;
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     = note: the item is gated behind the `traits` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `core_dev::traits`
[INFO] [stdout]    --> tests/test_lib/traits.rs:186:19
[INFO] [stdout]     |
[INFO] [stdout] 186 |     use core_dev::traits::StringExtended;
[INFO] [stdout]     |                   ^^^^^^ could not find `traits` in `core_dev`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:35:9
[INFO] [stdout]     |
[INFO] [stdout] 35  | pub mod traits;
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     = note: the item is gated behind the `traits` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `core_dev::traits`
[INFO] [stdout]    --> tests/test_lib/traits.rs:192:23
[INFO] [stdout]     |
[INFO] [stdout] 192 |         use core_dev::traits::StringExtended;
[INFO] [stdout]     |                       ^^^^^^ could not find `traits` in `core_dev`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:35:9
[INFO] [stdout]     |
[INFO] [stdout] 35  | pub mod traits;
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     = note: the item is gated behind the `traits` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `random` in `core_dev`
[INFO] [stdout]   --> tests/test_lib/random.rs:72:23
[INFO] [stdout]    |
[INFO] [stdout] 72 |         use core_dev::random::traits::RandomChoice;
[INFO] [stdout]    |                       ^^^^^^ could not find `random` in `core_dev`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub mod random;
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    = note: the item is gated behind the `random` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `random` in `core_dev`
[INFO] [stdout]    --> tests/test_lib/random.rs:153:23
[INFO] [stdout]     |
[INFO] [stdout] 153 |         use core_dev::random::traits::RandomFloat;
[INFO] [stdout]     |                       ^^^^^^ could not find `random` in `core_dev`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:49:9
[INFO] [stdout]     |
[INFO] [stdout] 49  | pub mod random;
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     = note: the item is gated behind the `random` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `random` in `core_dev`
[INFO] [stdout]    --> tests/test_lib/random.rs:154:23
[INFO] [stdout]     |
[INFO] [stdout] 154 |         use core_dev::random::traits::RandomInt;
[INFO] [stdout]     |                       ^^^^^^ could not find `random` in `core_dev`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:49:9
[INFO] [stdout]     |
[INFO] [stdout] 49  | pub mod random;
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     = note: the item is gated behind the `random` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `core_dev::random`
[INFO] [stdout]   --> tests/test_lib/random.rs:27:23
[INFO] [stdout]    |
[INFO] [stdout] 27 |         use core_dev::random::random_choice;
[INFO] [stdout]    |                       ^^^^^^ could not find `random` in `core_dev`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub mod random;
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    = note: the item is gated behind the `random` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `paste`
[INFO] [stdout]    --> tests/test_lib/aesthetics.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |     use paste::paste;
[INFO] [stdout]     |         ^^^^^ use of undeclared crate or module `paste`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `ansi_term`
[INFO] [stdout]    --> tests/test_lib/aesthetics.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |     use ansi_term::Color;
[INFO] [stdout]     |         ^^^^^^^^^ use of undeclared crate or module `ansi_term`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: unresolved import
[INFO] [stdout]   --> tests/test_lib/aesthetics.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 |     #[template]
[INFO] [stdout]    |     ^^^^^^^^^^^ unresolved import
[INFO] [stdout] ...
[INFO] [stdout] 86 |     #[apply(words)]
[INFO] [stdout]    |     --------------- in this procedural macro expansion
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `words` which comes from the expansion of the attribute macro `apply` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: unresolved import
[INFO] [stdout]    --> tests/test_lib/aesthetics.rs:75:5
[INFO] [stdout]     |
[INFO] [stdout] 75  |     #[template]
[INFO] [stdout]     |     ^^^^^^^^^^^ unresolved import
[INFO] [stdout] ...
[INFO] [stdout] 105 |     #[apply(words)]
[INFO] [stdout]     |     --------------- in this procedural macro expansion
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `words` which comes from the expansion of the attribute macro `apply` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `algorithms` in `core_dev`
[INFO] [stdout]   --> tests/test_lib/algorithms.rs:77:28
[INFO] [stdout]    |
[INFO] [stdout] 77 |     let result = core_dev::algorithms::two_sum(nums_vector, target_sum);
[INFO] [stdout]    |                            ^^^^^^^^^^ could not find `algorithms` in `core_dev`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub mod algorithms;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    = note: the item is gated behind the `algorithms` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `split_to_vec_string` found for struct `String` in the current scope
[INFO] [stdout]    --> examples/use_tree.rs:172:30
[INFO] [stdout]     |
[INFO] [stdout] 172 |             let items = line.split_to_vec_string("/");
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `capitalize` found for reference `&str` in the current scope
[INFO] [stdout]    --> examples/use_tree.rs:177:22
[INFO] [stdout]     |
[INFO] [stdout] 176 |                   let title = line.split(".").collect::<Vec<&str>>()[0]
[INFO] [stdout]     |  _____________________________-
[INFO] [stdout] 177 | |                     .capitalize();
[INFO] [stdout]     | |                     -^^^^^^^^^^ method not found in `&str`
[INFO] [stdout]     | |_____________________|
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> tests/test_lib/algorithms.rs:24:43
[INFO] [stdout]    |
[INFO] [stdout] 24 |         assert_eq!(some_vec.binary_search(3).unwrap(), 5);
[INFO] [stdout]    |                             ------------- ^ expected `&i8`, found integer
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             arguments to this method are incorrect
[INFO] [stdout]    |
[INFO] [stdout] note: method defined here
[INFO] [stdout]   --> /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/core/src/slice/mod.rs:2735:12
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]    |
[INFO] [stdout] 24 |         assert_eq!(some_vec.binary_search(&3).unwrap(), 5);
[INFO] [stdout]    |                                           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> tests/test_lib/algorithms.rs:35:42
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let result = input.binary_search(target);
[INFO] [stdout]    |                            ------------- ^^^^^^ expected `&i64`, found `i64`
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            arguments to this method are incorrect
[INFO] [stdout]    |
[INFO] [stdout] note: method defined here
[INFO] [stdout]   --> /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/core/src/slice/mod.rs:2735:12
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let result = input.binary_search(&target);
[INFO] [stdout]    |                                          +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `capitalize` found for reference `&str` in the current scope
[INFO] [stdout]    --> examples/use_tree.rs:190:26
[INFO] [stdout]     |
[INFO] [stdout] 189 | /                     item.split(".").collect::<Vec<&str>>()[0]
[INFO] [stdout] 190 | |                         .capitalize()
[INFO] [stdout]     | |                         -^^^^^^^^^^ method not found in `&str`
[INFO] [stdout]     | |_________________________|
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `capitalize` found for reference `&str` in the current scope
[INFO] [stdout]    --> examples/use_tree.rs:193:36
[INFO] [stdout]     |
[INFO] [stdout] 193 |                         .map(|s| s.capitalize())
[INFO] [stdout]     |                                    ^^^^^^^^^^ method not found in `&str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `index_of` found for struct `Vec<i32>` in the current scope
[INFO] [stdout]   --> tests/test_lib/traits.rs:21:37
[INFO] [stdout]    |
[INFO] [stdout] 21 |             let index = some_vector.index_of(&33);
[INFO] [stdout]    |                                     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `index` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 21 |             let index = some_vector.index(&33);
[INFO] [stdout]    |                                     ~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `capitalize` found for reference `&String` in the current scope
[INFO] [stdout]    --> examples/use_tree.rs:197:26
[INFO] [stdout]     |
[INFO] [stdout] 197 |                     item.capitalize().clone()
[INFO] [stdout]     |                          ^^^^^^^^^^ method not found in `&String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `core-dev` (example "use_tree") due to 7 previous errors; 1 warning emitted
[INFO] [stdout] error[E0599]: no method named `index_of` found for struct `Vec<usize>` in the current scope
[INFO] [stdout]   --> tests/test_lib/traits.rs:34:37
[INFO] [stdout]    |
[INFO] [stdout] 34 |             let index = some_vector.index_of(&33);
[INFO] [stdout]    |                                     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `index` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 34 |             let index = some_vector.index(&33);
[INFO] [stdout]    |                                     ~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `index_from` found for struct `Vec<i32>` in the current scope
[INFO] [stdout]   --> tests/test_lib/traits.rs:55:37
[INFO] [stdout]    |
[INFO] [stdout] 55 |             let index = some_vector.index_from(&2, 0).unwrap();
[INFO] [stdout]    |                                     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `index` with a similar name, but with different arguments
[INFO] [stdout]   --> /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/core/src/ops/index.rs:71:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `index_from` found for struct `Vec<i32>` in the current scope
[INFO] [stdout]   --> tests/test_lib/traits.rs:58:37
[INFO] [stdout]    |
[INFO] [stdout] 58 |             let index = some_vector.index_from(&2, 1).unwrap();
[INFO] [stdout]    |                                     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `index` with a similar name, but with different arguments
[INFO] [stdout]   --> /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/core/src/ops/index.rs:71:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `index_from` found for struct `Vec<i32>` in the current scope
[INFO] [stdout]   --> tests/test_lib/traits.rs:61:37
[INFO] [stdout]    |
[INFO] [stdout] 61 |             let index = some_vector.index_from(&2, 2).unwrap();
[INFO] [stdout]    |                                     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `index` with a similar name, but with different arguments
[INFO] [stdout]   --> /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/core/src/ops/index.rs:71:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `index_from` found for struct `Vec<i32>` in the current scope
[INFO] [stdout]   --> tests/test_lib/traits.rs:64:37
[INFO] [stdout]    |
[INFO] [stdout] 64 |             let index = some_vector.index_from(&2, 3).unwrap();
[INFO] [stdout]    |                                     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `index` with a similar name, but with different arguments
[INFO] [stdout]   --> /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/core/src/ops/index.rs:71:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `index_from` found for struct `Vec<i32>` in the current scope
[INFO] [stdout]   --> tests/test_lib/traits.rs:67:37
[INFO] [stdout]    |
[INFO] [stdout] 67 |             let index = some_vector.index_from(&2, 4).unwrap();
[INFO] [stdout]    |                                     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `index` with a similar name, but with different arguments
[INFO] [stdout]   --> /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/core/src/ops/index.rs:71:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `rindex_of` found for struct `Vec<i32>` in the current scope
[INFO] [stdout]   --> tests/test_lib/traits.rs:81:37
[INFO] [stdout]    |
[INFO] [stdout] 81 |             let index = some_vector.rindex_of(&2).unwrap();
[INFO] [stdout]    |                                     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `index` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 81 |             let index = some_vector.index(&2).unwrap();
[INFO] [stdout]    |                                     ~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `rindex_from` found for struct `Vec<i32>` in the current scope
[INFO] [stdout]    --> tests/test_lib/traits.rs:104:28
[INFO] [stdout]     |
[INFO] [stdout] 104 |                 vector_i32.rindex_from(&element, start_index);
[INFO] [stdout]     |                            ^^^^^^^^^^^ method not found in `Vec<i32>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `find_max` found for struct `Vec<i8>` in the current scope
[INFO] [stdout]    --> tests/test_lib/traits.rs:125:34
[INFO] [stdout]     |
[INFO] [stdout] 125 |         let found_index = vector.find_max();
[INFO] [stdout]     |                                  ^^^^^^^^ method not found in `Vec<i8>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `find_max` found for struct `Vec<i16>` in the current scope
[INFO] [stdout]    --> tests/test_lib/traits.rs:138:34
[INFO] [stdout]     |
[INFO] [stdout] 138 |         let found_index = vector.find_max();
[INFO] [stdout]     |                                  ^^^^^^^^ method not found in `Vec<i16>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `find_max` found for struct `Vec<i32>` in the current scope
[INFO] [stdout]    --> tests/test_lib/traits.rs:151:34
[INFO] [stdout]     |
[INFO] [stdout] 151 |         let found_index = vector.find_max();
[INFO] [stdout]     |                                  ^^^^^^^^ method not found in `Vec<i32>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `find_max` found for struct `Vec<i64>` in the current scope
[INFO] [stdout]    --> tests/test_lib/traits.rs:164:34
[INFO] [stdout]     |
[INFO] [stdout] 164 |         let found_index = vector.find_max();
[INFO] [stdout]     |                                  ^^^^^^^^ method not found in `Vec<i64>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `find_max` found for struct `Vec<i128>` in the current scope
[INFO] [stdout]    --> tests/test_lib/traits.rs:177:34
[INFO] [stdout]     |
[INFO] [stdout] 177 |         let found_index = vector.find_max();
[INFO] [stdout]     |                                  ^^^^^^^^ method not found in `Vec<i128>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `split_lines` found for struct `String` in the current scope
[INFO] [stdout]    --> tests/test_lib/traits.rs:198:41
[INFO] [stdout]     |
[INFO] [stdout] 198 |             let mut lines = some_string.split_lines().into_iter();
[INFO] [stdout]     |                                         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `splitn` with a similar name, but with different arguments
[INFO] [stdout]    --> /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/core/src/str/mod.rs:1669:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `split_lines` found for struct `String` in the current scope
[INFO] [stdout]    --> tests/test_lib/traits.rs:218:41
[INFO] [stdout]     |
[INFO] [stdout] 218 |             let mut lines = some_string.split_lines().into_iter();
[INFO] [stdout]     |                                         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `splitn` with a similar name, but with different arguments
[INFO] [stdout]    --> /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/core/src/str/mod.rs:1669:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `split_lines` found for reference `&str` in the current scope
[INFO] [stdout]    --> tests/test_lib/traits.rs:231:41
[INFO] [stdout]     |
[INFO] [stdout] 231 |             let mut lines = some_string.split_lines().into_iter();
[INFO] [stdout]     |                                         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `splitn` with a similar name, but with different arguments
[INFO] [stdout]    --> /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/core/src/str/mod.rs:1669:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `split_lines` found for reference `&str` in the current scope
[INFO] [stdout]    --> tests/test_lib/traits.rs:249:41
[INFO] [stdout]     |
[INFO] [stdout] 249 |             let mut lines = some_string.split_lines().into_iter();
[INFO] [stdout]     |                                         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `splitn` with a similar name, but with different arguments
[INFO] [stdout]    --> /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/core/src/str/mod.rs:1669:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get_char` found for struct `String` in the current scope
[INFO] [stdout]    --> tests/test_lib/traits.rs:273:42
[INFO] [stdout]     |
[INFO] [stdout] 273 |             let found_char = some_string.get_char(0).unwrap();
[INFO] [stdout]     |                                          ^^^^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get_char` found for reference `&str` in the current scope
[INFO] [stdout]    --> tests/test_lib/traits.rs:280:42
[INFO] [stdout]     |
[INFO] [stdout] 280 |             let found_char = some_string.get_char(0).unwrap();
[INFO] [stdout]     |                                          ^^^^^^^^ method not found in `&str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `capitalize` found for struct `String` in the current scope
[INFO] [stdout]    --> tests/test_lib/traits.rs:295:43
[INFO] [stdout]     |
[INFO] [stdout] 295 |             let capitalized = some_string.capitalize();
[INFO] [stdout]     |                                           ^^^^^^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `capitalize` found for reference `&str` in the current scope
[INFO] [stdout]    --> tests/test_lib/traits.rs:302:43
[INFO] [stdout]     |
[INFO] [stdout] 302 |             let capitalized = some_string.capitalize();
[INFO] [stdout]     |                                           ^^^^^^^^^^ method not found in `&str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `random_choice` found for struct `Vec<i32>` in the current scope
[INFO] [stdout]   --> tests/test_lib/random.rs:82:35
[INFO] [stdout]    |
[INFO] [stdout] 82 |             let item = collection.random_choice();
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^ method not found in `Vec<i32>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `random_choice` found for struct `Vec<i32>` in the current scope
[INFO] [stdout]   --> tests/test_lib/random.rs:92:35
[INFO] [stdout]    |
[INFO] [stdout] 92 |             let item = collection.random_choice();
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^ method not found in `Vec<i32>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `random_choice` found for struct `Vec<String>` in the current scope
[INFO] [stdout]    --> tests/test_lib/random.rs:124:35
[INFO] [stdout]     |
[INFO] [stdout] 124 |             let item = collection.random_choice();
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^ method not found in `Vec<String>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `random_float` found for type `f32` in the current scope
[INFO] [stdout]    --> tests/test_lib/random.rs:158:27
[INFO] [stdout]     |
[INFO] [stdout] 158 |             let rf = f32::random_float();
[INFO] [stdout]     |                           ^^^^^^^^^^^^ function or associated item not found in `f32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `random_float` found for type `f64` in the current scope
[INFO] [stdout]    --> tests/test_lib/random.rs:160:27
[INFO] [stdout]     |
[INFO] [stdout] 160 |             let rf = f64::random_float();
[INFO] [stdout]     |                           ^^^^^^^^^^^^ function or associated item not found in `f64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `random_int` found for type `i32` in the current scope
[INFO] [stdout]    --> tests/test_lib/random.rs:162:27
[INFO] [stdout]     |
[INFO] [stdout] 162 |             let rf = i32::random_int();
[INFO] [stdout]     |                           ^^^^^^^^^^ function or associated item not found in `i32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 61 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0432, E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `core-dev` (test "test_lib") due to 62 previous errors
[INFO] running `Command { std: "docker" "inspect" "f49a35c5a4e884e673039f0b10fb0c9fc6ed5983bf2e0df2ec1f4c70cafd6fb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f49a35c5a4e884e673039f0b10fb0c9fc6ed5983bf2e0df2ec1f4c70cafd6fb4", kill_on_drop: false }`
[INFO] [stdout] f49a35c5a4e884e673039f0b10fb0c9fc6ed5983bf2e0df2ec1f4c70cafd6fb4
