[INFO] fetching crate core-dev 0.0.1...
[INFO] checking core-dev-0.0.1 against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] extracting crate core-dev 0.0.1 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate core-dev 0.0.1 on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1-tc2/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-1-tc2/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" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eef0c0274307024ec515ddadfbc574b3e8170317913bdddb2203deaf6222f614
[INFO] running `Command { std: "docker" "start" "-a" "eef0c0274307024ec515ddadfbc574b3e8170317913bdddb2203deaf6222f614", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eef0c0274307024ec515ddadfbc574b3e8170317913bdddb2203deaf6222f614", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eef0c0274307024ec515ddadfbc574b3e8170317913bdddb2203deaf6222f614", kill_on_drop: false }`
[INFO] [stdout] eef0c0274307024ec515ddadfbc574b3e8170317913bdddb2203deaf6222f614
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e1c8ad2fa5b8e7786503bf912c8af631b7bd37cddedda5001517331138ae053
[INFO] running `Command { std: "docker" "start" "-a" "5e1c8ad2fa5b8e7786503bf912c8af631b7bd37cddedda5001517331138ae053", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.6
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking itertools v0.10.3
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[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking pretty_assertions v1.1.0
[INFO] [stderr]     Checking core-dev v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling assert2-macros v0.3.6
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[INFO] [stderr]    Compiling rstest v0.12.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking num_cpus v1.13.1
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[INFO] [stderr]     Checking plotters v0.3.1
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[INFO] [stderr]     Checking criterion-plot v0.4.4
[INFO] [stderr]     Checking predicates v2.1.1
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[INFO] [stderr]     Checking serde_json v1.0.79
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]    Compiling test-generator v0.3.0
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking assert_cmd v2.0.4
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling quickcheck_macros v1.0.0
[INFO] [stderr]     Checking assert2 v0.3.6
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stdout] error[E0433]: failed to resolve: could not find `datetime` in `core_dev`
[INFO] [stdout]  --> examples/time_attrs.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core_dev::datetime::time_attributes::TimeAttributesBuilder;
[INFO] [stdout]   |               ^^^^^^^^ could not find `datetime` in `core_dev`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `string_template`
[INFO] [stdout]  --> examples/template.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use string_template::Template;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^ use of undeclared crate or module `string_template`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[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] 
[INFO] [stderr] error: could not compile `core-dev` (example "time_attrs") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 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 "template") due to 2 previous errors
[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] 
[INFO] [stdout] error: aborting due to 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[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] 
[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] 
[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] 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] 
[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] 
[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[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] 
[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] 
[INFO] [stdout] warning: unused import: `super::rstest`
[INFO] [stdout]   --> tests/test_lib/datetime.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |         use super::rstest;
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `core_dev::stringlib`
[INFO] [stdout]  --> examples/stringlib.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core_dev::stringlib::*;
[INFO] [stdout]   |               ^^^^^^^^^ could not find `stringlib` in `core_dev`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::assert_ne`
[INFO] [stdout]   --> tests/test_lib/datetime.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |         use super::assert_ne;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::assert_ne`
[INFO] [stdout]   --> tests/test_lib/datetime.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 55 |         use super::assert_ne;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[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` (bench "bench_algorithms") due to 2 previous errors
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]  --> examples/example.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Number {
[INFO] [stdout]   |        ------ field in this struct
[INFO] [stdout] 3 |     value: i32,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Number` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `core-dev` (test "shell") due to 4 previous errors; 1 warning emitted
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `generate_ascii_alpha_uppercase` in this scope
[INFO] [stdout]  --> examples/stringlib.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let lower = generate_ascii_alpha_uppercase();
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `core-dev` (test "datetime") due to 3 previous errors; 3 warnings emitted
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `core-dev` (example "stringlib") due to 3 previous errors
[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] 
[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] 
[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] 
[INFO] [stdout] error[E0432]: unresolved imports `core_dev::stringlib`, `super::Alignment`
[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] 35 |     use super::Alignment;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[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: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[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] [stderr] error: could not compile `core-dev` (test "stringlib") due to 6 previous errors
[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 `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[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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 imports `ansi_term`, `super::Alignment`, `super::IndexOfVector`, `super::IndexOfVector`, `super::IndexOfVector`, `super::IndexOfVector`, `super::StringExtended`, `super::StringExtended`
[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]    ::: tests/test_lib/stringlib.rs:35:9
[INFO] [stdout]     |
[INFO] [stdout] 35  |     use super::Alignment;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: tests/test_lib/traits.rs:13:13
[INFO] [stdout]     |
[INFO] [stdout] 13  |         use super::IndexOfVector;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46  |         use super::IndexOfVector;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75  |         use super::IndexOfVector;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89  |         use super::IndexOfVector;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 268 |         use super::StringExtended;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 290 |         use super::StringExtended;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[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] 
[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/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/core/src/slice/mod.rs:2716:12
[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/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/core/src/slice/mod.rs:2716:12
[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 `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]    |                                     ^^^^^^^^ method not found in `Vec<i32>`
[INFO] [stdout] 
[INFO] [stdout] 
[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]    |                                     ^^^^^^^^ method not found in `Vec<usize>`
[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]    |                                     ^^^^^^^^^^ method not found in `Vec<i32>`
[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]    |                                     ^^^^^^^^^^ method not found in `Vec<i32>`
[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]    |                                     ^^^^^^^^^^ method not found in `Vec<i32>`
[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]    |                                     ^^^^^^^^^^ method not found in `Vec<i32>`
[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]    |                                     ^^^^^^^^^^ method not found in `Vec<i32>`
[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]    |                                     ^^^^^^^^^ method not found in `Vec<i32>`
[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]     |                                         ^^^^^^^^^^^ help: there is a method with a similar name: `splitn`
[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]     |                                         ^^^^^^^^^^^ help: there is a method with a similar name: `splitn`
[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]     |                                         ^^^^^^^^^^^ help: there is a method with a similar name: `splitn`
[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]     |                                         ^^^^^^^^^^^ help: there is a method with a similar name: `splitn`
[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" "5e1c8ad2fa5b8e7786503bf912c8af631b7bd37cddedda5001517331138ae053", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e1c8ad2fa5b8e7786503bf912c8af631b7bd37cddedda5001517331138ae053", kill_on_drop: false }`
[INFO] [stdout] 5e1c8ad2fa5b8e7786503bf912c8af631b7bd37cddedda5001517331138ae053
