[INFO] fetching crate core-dev 0.0.1...
[INFO] checking core-dev-0.0.1 against master#3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777 for pr-132289
[INFO] extracting crate core-dev 0.0.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate core-dev 0.0.1 on toolchain 3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-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-2-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" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "a3e2b3aa24c3258da73b926b6485f1275ef974243df14f5cd6e0057b77831de4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3e2b3aa24c3258da73b926b6485f1275ef974243df14f5cd6e0057b77831de4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3e2b3aa24c3258da73b926b6485f1275ef974243df14f5cd6e0057b77831de4", kill_on_drop: false }`
[INFO] [stdout] a3e2b3aa24c3258da73b926b6485f1275ef974243df14f5cd6e0057b77831de4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa45cdb83a1e768eedaf6c6052b327f51ab3a6734b0b0efbb0d52a9211654717
[INFO] running `Command { std: "docker" "start" "-a" "aa45cdb83a1e768eedaf6c6052b327f51ab3a6734b0b0efbb0d52a9211654717", kill_on_drop: false }`
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[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `color_eyre`
[INFO] [stdout]  --> examples/color_eyre.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use color_eyre::eyre::Result;
[INFO] [stdout]   |     ^^^^^^^^^^ use of undeclared crate or module `color_eyre`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `color_eyre`
[INFO] [stdout]  --> examples/color_eyre.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     color_eyre::install()?;
[INFO] [stdout]   |     ^^^^^^^^^^ use of undeclared crate or module `color_eyre`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> examples/color_eyre.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     panic!("it was me");
[INFO] [stdout]    |     ------------------- any code following this expression is unreachable
[INFO] [stdout] 13 |     // ...
[INFO] [stdout] 14 |     Ok(())
[INFO] [stdout]    |     ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `core-dev` (example "color_eyre") due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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[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]   --> /opt/rustwide/workdir/src/lib.rs:42:7
[INFO] [stdout]    |
[INFO] [stdout] 42 | #[cfg(feature = "pathlib")]
[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]   --> /opt/rustwide/workdir/src/lib.rs:34:7
[INFO] [stdout]    |
[INFO] [stdout] 34 | #[cfg(feature = "traits")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^
[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]   --> /opt/rustwide/workdir/src/lib.rs:61:7
[INFO] [stdout]    |
[INFO] [stdout] 61 | #[cfg(feature = "shell")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[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]   --> /opt/rustwide/workdir/src/lib.rs:61:7
[INFO] [stdout]    |
[INFO] [stdout] 61 | #[cfg(feature = "shell")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[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]   --> /opt/rustwide/workdir/src/lib.rs:61:7
[INFO] [stdout]    |
[INFO] [stdout] 61 | #[cfg(feature = "shell")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[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] 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] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `core-dev` (example "template") due to 1 previous error
[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]   --> /opt/rustwide/workdir/src/lib.rs:34:7
[INFO] [stdout]    |
[INFO] [stdout] 34 | #[cfg(feature = "traits")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^
[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]    --> /opt/rustwide/workdir/src/lib.rs:34:7
[INFO] [stdout]     |
[INFO] [stdout] 34  | #[cfg(feature = "traits")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^
[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]    --> /opt/rustwide/workdir/src/lib.rs:34:7
[INFO] [stdout]     |
[INFO] [stdout] 34  | #[cfg(feature = "traits")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[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]    --> /opt/rustwide/workdir/src/lib.rs:34:7
[INFO] [stdout]     |
[INFO] [stdout] 34  | #[cfg(feature = "traits")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `core-dev` (test "shell") due to 3 previous errors; 1 warning emitted
[INFO] [stdout] warning: unused import: `super::rstest`
[INFO] [stdout]    --> tests/test_lib/traits.rs:191:13
[INFO] [stdout]     |
[INFO] [stdout] 191 |         use super::rstest;
[INFO] [stdout]     |             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Index`
[INFO] [stdout]    --> tests/test_lib/traits.rs:264:13
[INFO] [stdout]     |
[INFO] [stdout] 264 |         use std::ops::Index;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::rstest`
[INFO] [stdout]    --> tests/test_lib/traits.rs:267:13
[INFO] [stdout]     |
[INFO] [stdout] 267 |         use super::rstest;
[INFO] [stdout]     |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::rstest`
[INFO] [stdout]    --> tests/test_lib/traits.rs:289:13
[INFO] [stdout]     |
[INFO] [stdout] 289 |         use super::rstest;
[INFO] [stdout]     |             ^^^^^^^^^^^^^
[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 1 previous error; 2 warnings emitted
[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 `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/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/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/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/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/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/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/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/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/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/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/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/core/src/str/mod.rs:1652:5
[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/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/core/src/str/mod.rs:1652:5
[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/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/core/src/str/mod.rs:1652:5
[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/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/core/src/str/mod.rs:1652:5
[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] 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` (test "traits") due to 26 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "aa45cdb83a1e768eedaf6c6052b327f51ab3a6734b0b0efbb0d52a9211654717", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa45cdb83a1e768eedaf6c6052b327f51ab3a6734b0b0efbb0d52a9211654717", kill_on_drop: false }`
[INFO] [stdout] aa45cdb83a1e768eedaf6c6052b327f51ab3a6734b0b0efbb0d52a9211654717
