[INFO] cloning repository https://github.com/LearningByExample/rustlings [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LearningByExample/rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningByExample%2Frustlings", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningByExample%2Frustlings'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f8f12937fc940a75c229bd128b517cd1649cb77b [INFO] testing LearningByExample/rustlings against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningByExample%2Frustlings" "/workspace/builds/worker-118/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-118/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/LearningByExample/rustlings on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/LearningByExample/rustlings [INFO] finished tweaking git repo https://github.com/LearningByExample/rustlings [INFO] tweaked toml for git repo https://github.com/LearningByExample/rustlings written to /workspace/builds/worker-118/source/Cargo.toml [INFO] crate git repo https://github.com/LearningByExample/rustlings already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2b5029ec68ce3f9040c07a3f767a9aec3fd32bfd598dcd7719452403a7e44ca8 [INFO] running `Command { std: "docker" "start" "-a" "2b5029ec68ce3f9040c07a3f767a9aec3fd32bfd598dcd7719452403a7e44ca8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2b5029ec68ce3f9040c07a3f767a9aec3fd32bfd598dcd7719452403a7e44ca8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b5029ec68ce3f9040c07a3f767a9aec3fd32bfd598dcd7719452403a7e44ca8", kill_on_drop: false }` [INFO] [stdout] 2b5029ec68ce3f9040c07a3f767a9aec3fd32bfd598dcd7719452403a7e44ca8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7f816ff80c246469b47d29ab5db5801de18e29006280195a74354922253320cd [INFO] running `Command { std: "docker" "start" "-a" "7f816ff80c246469b47d29ab5db5801de18e29006280195a74354922253320cd", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Compiling syn v1.0.32 [INFO] [stderr] Compiling serde_derive v1.0.113 [INFO] [stderr] Compiling serde v1.0.113 [INFO] [stderr] Compiling serde_json v1.0.55 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] 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[INFO] [stderr] Compiling the_slice_type v0.1.0 (/opt/rustwide/workdir/Understanding Ownership/Move Semantics/The Slice Type) [INFO] [stderr] Compiling returning_result v0.1.0 (/opt/rustwide/workdir/Recoverable and Unrecoverable Errors/Error Handling/Returning Result) [INFO] [stderr] Compiling charcaters v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Data Types/Characters) [INFO] [stderr] Compiling else_if v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/If/else if) [INFO] [stderr] Compiling shadowing v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Variables/Shadowing) [INFO] [stderr] Compiling arrays v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Data Types/Arrays) [INFO] [stderr] Compiling references_and_borrowing v0.1.0 (/opt/rustwide/workdir/Understanding Ownership/Move Semantics/References and Borrowing) [INFO] [stderr] Compiling variables3 v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Variables/Variables 3) [INFO] [stderr] 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Unrecoverable Errors/Error Handling/Matching Result) [INFO] [stderr] Compiling type_annotation_of_a_parameter v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Functions/Type Annotation of a Parameter) [INFO] [stderr] Compiling boolean v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Data Types/Boolean) [INFO] [stderr] Compiling functions_intro v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Functions/Intro) [INFO] [stderr] Compiling testing_task v0.1.0 (/opt/rustwide/workdir/Writing Automated Tests/Tests/Testing Task) [INFO] [stderr] Compiling macros2 v0.1.0 (/opt/rustwide/workdir/Modules and Macros/Macros/Declaring a Macro) [INFO] [stderr] Compiling errorsn v0.1.0 (/opt/rustwide/workdir/Recoverable and Unrecoverable Errors/Error Handling/Multiple Errors) [INFO] [stderr] Compiling separating_modules_into_different_files v0.1.0 (/opt/rustwide/workdir/Modules and Macros/Modules/Separating Modules into Different Files) [INFO] [stderr] Compiling variables1 v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Variables/Variables 1) [INFO] [stderr] Compiling using_message_passing_to_transfer_data_between_threads v0.1.0 (/opt/rustwide/workdir/Fearless Concurrency/Threads/Using Message Passing to Transfer Data Between Threads) [INFO] [stderr] Compiling threads_intro v0.1.0 (/opt/rustwide/workdir/Fearless Concurrency/Threads/Intro) [INFO] [stderr] Compiling return_type v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Functions/Return Type) [INFO] [stderr] Compiling recoverable_errors_with_result v0.1.0 (/opt/rustwide/workdir/Recoverable and Unrecoverable Errors/Error Handling/Recoverable Errors with Result) [INFO] [stderr] Compiling paths_for_referring_to_an_item_in_the_module_tree v0.1.0 (/opt/rustwide/workdir/Modules and Macros/Modules/Paths for Referring to an Item in the Module Tree) [INFO] [stderr] Compiling bringing_paths_into_scope_with_the_use_keyword v0.1.0 (/opt/rustwide/workdir/Modules and Macros/Modules/Bringing Paths into Scope with the use Keyword) [INFO] [stderr] Compiling matching_result_2 v0.1.0 (/opt/rustwide/workdir/Recoverable and Unrecoverable Errors/Error Handling/Matching Result 2) [INFO] [stderr] Compiling return_a_value v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Functions/Return a Value) [INFO] [stderr] Compiling calculate_price v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Variables and Functions Test/Calculate Price) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> Recoverable and Unrecoverable Errors/Error Handling/Matching Result/src/lib.rs:6:78 [INFO] [stdout] | [INFO] [stdout] 6 | /*this is the short way, but you can just match the result of the parse*/; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BorrowMut`, `Borrow` [INFO] [stdout] --> Understanding Ownership/Move Semantics/Borrow/src/main.rs:1:19 [INFO] [stdout] | [INFO] [stdout] 1 | use std::borrow::{Borrow, BorrowMut}; [INFO] [stdout] | ^^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cmp::Ordering` [INFO] [stdout] --> Common Programming Concepts/Variables and Functions Test/Calculate Price/src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::Ordering; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> Recoverable and Unrecoverable Errors/Error Handling/Multiple Errors/src/lib.rs:6:34 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn read_and_validate(b: &mut io::BufRead) -> Result> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 6 - pub fn read_and_validate(b: &mut io::BufRead) -> Result> { [INFO] [stdout] 6 + pub fn read_and_validate(b: &mut dyn io::BufRead) -> Result> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `width` [INFO] [stdout] --> Writing Automated Tests/Tests/Intro/src/lib.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | width: u32, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Rectangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> Writing Automated Tests/Tests/Intro/src/lib.rs:1:10 [INFO] [stdout] | [INFO] [stdout] 1 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cmp::Ordering` [INFO] [stdout] --> Recoverable and Unrecoverable Errors/Error Handling/Result/src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::Ordering; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::error::Error` [INFO] [stdout] --> Recoverable and Unrecoverable Errors/Error Handling/Returning Result/src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::error::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `height` [INFO] [stdout] --> Writing Automated Tests/Tests/Intro/src/lib.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | height: u32, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Rectangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> Writing Automated Tests/Tests/Intro/src/lib.rs:1:10 [INFO] [stdout] | [INFO] [stdout] 1 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `can_hold` [INFO] [stdout] --> Writing Automated Tests/Tests/Intro/src/lib.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | fn can_hold(&self, other: &Rectangle) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> Recoverable and Unrecoverable Errors/Error Handling/Multiple Errors/src/lib.rs:43:49 [INFO] [stdout] | [INFO] [stdout] 43 | f.write_str((self as &dyn error::Error).description()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> Recoverable and Unrecoverable Errors/Error Handling/Matching Result 2/src/main.rs:9:26 [INFO] [stdout] | [INFO] [stdout] 9 | Err(e) => panic!(e), [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 9 | Err(e) => panic!("{}", e), [INFO] [stdout] | +++++ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 9 | Err(e) => std::panic::panic_any(e), [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling without_arguments v0.1.0 (/opt/rustwide/workdir/Understanding Ownership/Move Semantics/Without Arguments) [INFO] [stderr] Compiling hello_world v0.1.0 (/opt/rustwide/workdir/Introduction/Getting started/Hello World) [INFO] [stderr] Compiling strings_and_strs v0.1.0 (/opt/rustwide/workdir/Common Collections/String Test/Strings and strs) [INFO] [stderr] Compiling mutable v0.1.0 (/opt/rustwide/workdir/Understanding Ownership/Move Semantics/Mutable) [INFO] [stderr] Compiling mutable_argument v0.1.0 (/opt/rustwide/workdir/Understanding Ownership/Move Semantics/Mutable Argument) [INFO] [stderr] Compiling public_modifier_2 v0.1.0 (/opt/rustwide/workdir/Modules and Macros/Modules/Public Modifier 2) [INFO] [stderr] Compiling threads v0.1.0 (/opt/rustwide/workdir/Fearless Concurrency/Threads/Threads Task) [INFO] [stderr] Compiling public_modifier v0.1.0 (/opt/rustwide/workdir/Modules and Macros/Modules/Public Modifier) [INFO] [stderr] Compiling tuple_index v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Data Types/Tuple Index) [INFO] [stderr] Compiling arc1 v0.1.0 (/opt/rustwide/workdir/Iterators and Closures/Standard Library Types/Arc) [INFO] [stderr] Compiling tuples v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Data Types/Tuples) [INFO] [stderr] Compiling slices v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Data Types/Slices) [INFO] [stderr] Compiling option v0.1.0 (/opt/rustwide/workdir/Recoverable and Unrecoverable Errors/Error Handling/Option) [INFO] [stdout] warning: constant is never used: `APPLE` [INFO] [stdout] --> Modules and Macros/Modules/Public Modifier 2/src/main.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | pub const APPLE: &'static str = "Apple"; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `CARROT` [INFO] [stdout] --> Modules and Macros/Modules/Public Modifier 2/src/main.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | pub const CARROT: &'static str = "Carrot"; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 04s [INFO] running `Command { std: "docker" "inspect" "7f816ff80c246469b47d29ab5db5801de18e29006280195a74354922253320cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7f816ff80c246469b47d29ab5db5801de18e29006280195a74354922253320cd", kill_on_drop: false }` [INFO] [stdout] 7f816ff80c246469b47d29ab5db5801de18e29006280195a74354922253320cd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 058c68f4d985367d28872db97bd2bdefe22f73dff8e42d18aae64d4a19f6b10f [INFO] running `Command { std: "docker" "start" "-a" "058c68f4d985367d28872db97bd2bdefe22f73dff8e42d18aae64d4a19f6b10f", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stdout] warning: field is never read: `width` [INFO] [stdout] --> Writing Automated Tests/Tests/Intro/src/lib.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | width: u32, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Rectangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> Writing Automated Tests/Tests/Intro/src/lib.rs:1:10 [INFO] [stdout] | [INFO] [stdout] 1 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `height` [INFO] [stdout] --> Writing Automated Tests/Tests/Intro/src/lib.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | height: u32, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Rectangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> Writing Automated Tests/Tests/Intro/src/lib.rs:1:10 [INFO] [stdout] | [INFO] [stdout] 1 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `can_hold` [INFO] [stdout] --> Writing Automated Tests/Tests/Intro/src/lib.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | fn can_hold(&self, other: &Rectangle) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> Recoverable and Unrecoverable Errors/Error Handling/Multiple Errors/src/lib.rs:6:34 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn read_and_validate(b: &mut io::BufRead) -> Result> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 6 - pub fn read_and_validate(b: &mut io::BufRead) -> Result> { [INFO] [stdout] 6 + pub fn read_and_validate(b: &mut dyn io::BufRead) -> Result> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> Recoverable and Unrecoverable Errors/Error Handling/Multiple Errors/src/lib.rs:43:49 [INFO] [stdout] | [INFO] [stdout] 43 | f.write_str((self as &dyn error::Error).description()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling generic_data_types v0.1.0 (/opt/rustwide/workdir/Recoverable and Unrecoverable Errors/Error Handling/Generic Data Types) [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling boolean v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Data Types/Boolean) [INFO] [stderr] Compiling error_handling_intro v0.1.0 (/opt/rustwide/workdir/Recoverable and Unrecoverable Errors/Error Handling/Intro) [INFO] [stdout] warning: unused import: `std::error::Error` [INFO] [stdout] --> Recoverable and Unrecoverable Errors/Error Handling/Returning Result/src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::error::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> Recoverable and Unrecoverable Errors/Error Handling/Matching Result/src/lib.rs:6:78 [INFO] [stdout] | [INFO] [stdout] 6 | /*this is the short way, but you can just match the result of the parse*/; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cmp::Ordering` [INFO] [stdout] --> Recoverable and Unrecoverable Errors/Error Handling/Result/src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::Ordering; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cmp::Ordering` [INFO] [stdout] --> Common Programming Concepts/Variables and Functions Test/Calculate Price/src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::Ordering; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling calculate_price v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Variables and Functions Test/Calculate Price) [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> Recoverable and Unrecoverable Errors/Error Handling/Matching Result 2/src/main.rs:9:26 [INFO] [stdout] | [INFO] [stdout] 9 | Err(e) => panic!(e), [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 9 | Err(e) => panic!("{}", e), [INFO] [stdout] | +++++ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 9 | Err(e) => std::panic::panic_any(e), [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling separating_modules_into_different_files v0.1.0 (/opt/rustwide/workdir/Modules and Macros/Modules/Separating Modules into Different Files) [INFO] [stderr] Compiling modules_intro v0.1.0 (/opt/rustwide/workdir/Modules and Macros/Modules/Intro) [INFO] [stderr] Compiling shadowing v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Variables/Shadowing) [INFO] [stderr] Compiling returning_a_string v0.1.0 (/opt/rustwide/workdir/Common Collections/Strings/Returning a String) [INFO] [stderr] Compiling the_slice_type v0.1.0 (/opt/rustwide/workdir/Understanding Ownership/Move Semantics/The Slice Type) [INFO] [stderr] Compiling defining_a_function v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Functions/Defining a Function) [INFO] [stderr] Compiling compound_types v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Data Types/Compound Types) [INFO] [stderr] Compiling else_if v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/If/else if) [INFO] [stderr] Compiling macros2 v0.1.0 (/opt/rustwide/workdir/Modules and Macros/Macros/Declaring a Macro) [INFO] [stderr] Compiling extensible_concurrency_with_the_sync_and_send_traits v0.1.0 (/opt/rustwide/workdir/Fearless Concurrency/Threads/Extensible Concurrency with the Sync and Send Traits) [INFO] [stderr] Compiling errorsn v0.1.0 (/opt/rustwide/workdir/Recoverable and Unrecoverable Errors/Error Handling/Multiple Errors) [INFO] [stderr] Compiling variables_and_mutability v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Variables/Variables and Mutability) [INFO] [stderr] Compiling borrow v0.1.0 (/opt/rustwide/workdir/Understanding Ownership/Move Semantics/Borrow) [INFO] [stderr] Compiling variables1 v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Variables/Variables 1) [INFO] [stderr] Compiling macro_arms v0.1.0 (/opt/rustwide/workdir/Modules and Macros/Macros/Macro Arms) [INFO] [stderr] Compiling return_type v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Functions/Return Type) [INFO] [stderr] Compiling string_slice v0.1.0 (/opt/rustwide/workdir/Common Collections/Strings/String Slice) [INFO] [stderr] Compiling return_a_value v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Functions/Return a Value) [INFO] [stderr] Compiling recoverable_errors_with_result v0.1.0 (/opt/rustwide/workdir/Recoverable and Unrecoverable Errors/Error Handling/Recoverable Errors with Result) [INFO] [stderr] Compiling macro_test v0.1.0 (/opt/rustwide/workdir/Modules and Macros/Macros and Modules Test/Test Task) [INFO] [stderr] Compiling differences_between_variables_and_constants v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Variables/Differences Between Variables and Constants) [INFO] [stderr] Compiling charcaters v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Data Types/Characters) [INFO] [stderr] Compiling assert_eq v0.1.0 (/opt/rustwide/workdir/Writing Automated Tests/Tests/Assert_Eq) [INFO] [stderr] Compiling assert v0.1.0 (/opt/rustwide/workdir/Writing Automated Tests/Tests/Assert) [INFO] [stderr] Compiling testing_task v0.1.0 (/opt/rustwide/workdir/Writing Automated Tests/Tests/Testing Task) [INFO] [stderr] Compiling iterators4 v0.1.0 (/opt/rustwide/workdir/Iterators and Closures/Standard Library Types/Factorial) [INFO] [stderr] Compiling iterator3 v0.1.0 (/opt/rustwide/workdir/Iterators and Closures/Standard Library Types/Iterator) [INFO] [stderr] Compiling arrays v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Data Types/Arrays) [INFO] [stderr] Compiling about v0.1.0 (/opt/rustwide/workdir/Introduction/Getting started/About) [INFO] [stderr] Compiling strings_intro v0.1.0 (/opt/rustwide/workdir/Common Collections/Strings/Intro) [INFO] [stderr] Compiling stdlib_intro v0.1.0 (/opt/rustwide/workdir/Iterators and Closures/Standard Library Types/Intro) [INFO] [stderr] Compiling variables2 v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Variables/Variables 2) [INFO] [stderr] Compiling using_message_passing_to_transfer_data_between_threads v0.1.0 (/opt/rustwide/workdir/Fearless Concurrency/Threads/Using Message Passing to Transfer Data Between Threads) [INFO] [stderr] Compiling type_annotation_of_a_parameter v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Functions/Type Annotation of a Parameter) [INFO] [stderr] Compiling threads_intro v0.1.0 (/opt/rustwide/workdir/Fearless Concurrency/Threads/Intro) [INFO] [stderr] Compiling variables4 v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Variables/Variables 4) [INFO] [stderr] Compiling passing_an_argument v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Functions/Passing an Argument) [INFO] [stderr] Compiling bringing_paths_into_scope_with_the_use_keyword v0.1.0 (/opt/rustwide/workdir/Modules and Macros/Modules/Bringing Paths into Scope with the use Keyword) [INFO] [stderr] Compiling calling_a_macro v0.1.0 (/opt/rustwide/workdir/Modules and Macros/Macros/Calling a Macro) [INFO] [stderr] Compiling macros_intro v0.1.0 (/opt/rustwide/workdir/Modules and Macros/Macros/Intro) [INFO] [stderr] Compiling matching_result_2 v0.1.0 (/opt/rustwide/workdir/Recoverable and Unrecoverable Errors/Error Handling/Matching Result 2) [INFO] [stderr] Compiling adding_custom_failure_messages v0.1.0 (/opt/rustwide/workdir/Writing Automated Tests/Tests/Adding Custom Failure Messages) [INFO] [stderr] Compiling result1 v0.1.0 (/opt/rustwide/workdir/Recoverable and Unrecoverable Errors/Error Handling/Result) [INFO] [stderr] Compiling scalar_types v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Data Types/Scalar Types) [INFO] [stderr] Compiling repetition_with_loops v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/If/Repetition with Loops) [INFO] [stderr] Compiling variables_intro v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Variables/Intro) [INFO] [stderr] Compiling shared_state_concurrency v0.1.0 (/opt/rustwide/workdir/Iterators and Closures/Standard Library Types/Shared-State Concurrency) [INFO] [stderr] Compiling returning_result v0.1.0 (/opt/rustwide/workdir/Recoverable and Unrecoverable Errors/Error Handling/Returning Result) [INFO] [stderr] Compiling references_and_borrowing v0.1.0 (/opt/rustwide/workdir/Understanding Ownership/Move Semantics/References and Borrowing) [INFO] [stderr] Compiling if_task v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/If/If Task) [INFO] [stderr] Compiling times_two_tests v0.1.0 (/opt/rustwide/workdir/Writing Automated Tests/Tests Test/Times Two Tests) [INFO] [stderr] Compiling statements_and_expressions v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Functions/Statements and Expressions) [INFO] [stderr] Compiling installation v0.1.0 (/opt/rustwide/workdir/Introduction/Getting started/Installation) [INFO] [stderr] Compiling matching_result v0.1.0 (/opt/rustwide/workdir/Recoverable and Unrecoverable Errors/Error Handling/Matching Result) [INFO] [stderr] Compiling variables3 v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Variables/Variables 3) [INFO] [stderr] Compiling functions_intro v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Functions/Intro) [INFO] [stdout] warning: unused imports: `BorrowMut`, `Borrow` [INFO] [stdout] --> Understanding Ownership/Move Semantics/Borrow/src/main.rs:1:19 [INFO] [stdout] | [INFO] [stdout] 1 | use std::borrow::{Borrow, BorrowMut}; [INFO] [stdout] | ^^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling move_semantics_intro v0.1.0 (/opt/rustwide/workdir/Understanding Ownership/Move Semantics/Intro) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling tests_intro v0.1.0 (/opt/rustwide/workdir/Writing Automated Tests/Tests/Intro) [INFO] [stderr] Compiling paths_for_referring_to_an_item_in_the_module_tree v0.1.0 (/opt/rustwide/workdir/Modules and Macros/Modules/Paths for Referring to an Item in the Module Tree) [INFO] [stderr] Compiling if_intro v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/If/Intro) [INFO] [stdout] warning: unused import: `std::cmp::Ordering` [INFO] [stdout] --> Common Programming Concepts/Variables and Functions Test/Calculate Price/src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::Ordering; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling macros3 v0.1.0 (/opt/rustwide/workdir/Modules and Macros/Macros/Outside of Module) [INFO] [stdout] warning: unused imports: `BorrowMut`, `Borrow` [INFO] [stdout] --> Understanding Ownership/Move Semantics/Borrow/src/main.rs:1:19 [INFO] [stdout] | [INFO] [stdout] 1 | use std::borrow::{Borrow, BorrowMut}; [INFO] [stdout] | ^^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> Recoverable and Unrecoverable Errors/Error Handling/Multiple Errors/src/lib.rs:6:34 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn read_and_validate(b: &mut io::BufRead) -> Result> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 6 - pub fn read_and_validate(b: &mut io::BufRead) -> Result> { [INFO] [stdout] 6 + pub fn read_and_validate(b: &mut dyn io::BufRead) -> Result> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cmp::Ordering` [INFO] [stdout] --> Recoverable and Unrecoverable Errors/Error Handling/Result/src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::Ordering; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> Recoverable and Unrecoverable Errors/Error Handling/Matching Result 2/src/main.rs:9:26 [INFO] [stdout] | [INFO] [stdout] 9 | Err(e) => panic!(e), [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 9 | Err(e) => panic!("{}", e), [INFO] [stdout] | +++++ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 9 | Err(e) => std::panic::panic_any(e), [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `Vect` in this scope [INFO] [stdout] --> Iterators and Closures/Standard Library Types/Iterator/src/lib.rs:37:50 [INFO] [stdout] | [INFO] [stdout] 37 | let x= division_results.collect::,DivisionError>>(); [INFO] [stdout] | ^^^^ help: a struct with a similar name exists: `Vec` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> Recoverable and Unrecoverable Errors/Error Handling/Multiple Errors/src/lib.rs:43:49 [INFO] [stdout] | [INFO] [stdout] 43 | f.write_str((self as &dyn error::Error).description()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [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 E0412`. [INFO] [stdout] [INFO] [stderr] error: could not compile `iterator3` due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `assert_eq` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name assert_eq --edition=2018 'Writing Automated Tests/Tests/Assert_Eq/src/lib.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=b6743326db25e286 -C extra-filename=-b6743326db25e286 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `assert` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name assert --edition=2018 'Writing Automated Tests/Tests/Assert/src/lib.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=f1a56f18f34e2f0c -C extra-filename=-f1a56f18f34e2f0c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `threads_intro` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name threads_intro --edition=2018 'Fearless Concurrency/Threads/Intro/src/main.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=e3f27126a7da2ca8 -C extra-filename=-e3f27126a7da2ca8 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `variables2` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name tests --edition=2018 'Common Programming Concepts/Variables/Variables 2/tests/tests.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=36f2dc514fffea9b -C extra-filename=-36f2dc514fffea9b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::error::Error` [INFO] [stdout] --> Recoverable and Unrecoverable Errors/Error Handling/Returning Result/src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::error::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> Recoverable and Unrecoverable Errors/Error Handling/Matching Result/src/lib.rs:6:78 [INFO] [stdout] | [INFO] [stdout] 6 | /*this is the short way, but you can just match the result of the parse*/; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `string_slice` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name tests --edition=2018 'Common Collections/Strings/String Slice/tests/tests.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=dfd807f7008227cf -C extra-filename=-dfd807f7008227cf --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `variables1` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name tests --edition=2018 'Common Programming Concepts/Variables/Variables 1/tests/tests.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=49672d475bc0934a -C extra-filename=-49672d475bc0934a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `borrow` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name tests --edition=2018 'Understanding Ownership/Move Semantics/Borrow/tests/tests.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=4ff4f823384566f8 -C extra-filename=-4ff4f823384566f8 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `variables4` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name tests --edition=2018 'Common Programming Concepts/Variables/Variables 4/tests/tests.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=b62f7fe72b5fe1bd -C extra-filename=-b62f7fe72b5fe1bd --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `returning_a_string` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name tests --edition=2018 'Common Collections/Strings/Returning a String/tests/tests.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=68bcc6c1165659ec -C extra-filename=-68bcc6c1165659ec --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `macro_arms` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name tests --edition=2018 'Modules and Macros/Macros/Macro Arms/tests/tests.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=7a5beb67d1b9a8be -C extra-filename=-7a5beb67d1b9a8be --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `macros3` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name tests --edition=2018 'Modules and Macros/Macros/Outside of Module/tests/tests.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=52e4de5d672720b6 -C extra-filename=-52e4de5d672720b6 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `statements_and_expressions` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name statements_and_expressions --edition=2018 'Common Programming Concepts/Functions/Statements and Expressions/src/main.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=ee033fadd9543475 -C extra-filename=-ee033fadd9543475 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `variables3` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name tests --edition=2018 'Common Programming Concepts/Variables/Variables 3/tests/tests.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=83d8a06db497603c -C extra-filename=-83d8a06db497603c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `move_semantics_intro` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name move_semantics_intro --edition=2018 'Understanding Ownership/Move Semantics/Intro/src/main.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=16bcfcec51c2d456 -C extra-filename=-16bcfcec51c2d456 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `matching_result` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name tests --edition=2018 'Recoverable and Unrecoverable Errors/Error Handling/Matching Result/tests/tests.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=8bc5347356d6f258 -C extra-filename=-8bc5347356d6f258 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern matching_result=/opt/rustwide/target/debug/deps/libmatching_result-2a5e33f4964e4cb7.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `calculate_price` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name tests --edition=2018 'Common Programming Concepts/Variables and Functions Test/Calculate Price/tests/tests.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=81ec612a745a9235 -C extra-filename=-81ec612a745a9235 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern calculate_price=/opt/rustwide/target/debug/deps/libcalculate_price-336570bda5c20b83.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `iterators4` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name tests --edition=2018 'Iterators and Closures/Standard Library Types/Factorial/tests/tests.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=054ef88b4132d172 -C extra-filename=-054ef88b4132d172 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern iterators4=/opt/rustwide/target/debug/deps/libiterators4-47f4536ceae0c683.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `passing_an_argument` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name tests --edition=2018 'Common Programming Concepts/Functions/Passing an Argument/tests/tests.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=fc6283b721c113d7 -C extra-filename=-fc6283b721c113d7 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `paths_for_referring_to_an_item_in_the_module_tree` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name paths_for_referring_to_an_item_in_the_module_tree --edition=2018 'Modules and Macros/Modules/Paths for Referring to an Item in the Module Tree/src/main.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=0414b1723c8517bf -C extra-filename=-0414b1723c8517bf --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `tests_intro` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name tests_intro --edition=2018 'Writing Automated Tests/Tests/Intro/src/lib.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=eabdbd32516d1852 -C extra-filename=-eabdbd32516d1852 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `return_a_value` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name return_a_value --edition=2018 'Common Programming Concepts/Functions/Return a Value/src/main.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=d00b2a56bfee4da6 -C extra-filename=-d00b2a56bfee4da6 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `returning_result` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name tests --edition=2018 'Recoverable and Unrecoverable Errors/Error Handling/Returning Result/tests/tests.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=84e645c755578f2b -C extra-filename=-84e645c755578f2b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern returning_result=/opt/rustwide/target/debug/deps/libreturning_result-5bcfd4068fea33f2.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `result1` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name tests --edition=2018 'Recoverable and Unrecoverable Errors/Error Handling/Result/tests/tests.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=b39fa579bee6ba3e -C extra-filename=-b39fa579bee6ba3e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern result1=/opt/rustwide/target/debug/deps/libresult1-b2f0e35ab023892e.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `errorsn`; 2 warnings emitted [INFO] [stdout] warning: unused import: `std::error` [INFO] [stdout] --> Recoverable and Unrecoverable Errors/Error Handling/Multiple Errors/tests/tests.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::error; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name errorsn --edition=2018 'Recoverable and Unrecoverable Errors/Error Handling/Multiple Errors/src/lib.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=86d1124e6c4da75f -C extra-filename=-86d1124e6c4da75f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `macros3` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name macros3 --edition=2018 'Modules and Macros/Macros/Outside of Module/src/main.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=63d1fc6cbd42669b -C extra-filename=-63d1fc6cbd42669b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `type_annotation_of_a_parameter` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name tests --edition=2018 'Common Programming Concepts/Functions/Type Annotation of a Parameter/tests/tests.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=51fdb27f9bdacf39 -C extra-filename=-51fdb27f9bdacf39 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `if_task` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name tests --edition=2018 'Common Programming Concepts/If/If Task/tests/tests.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=12cec1de860971fe -C extra-filename=-12cec1de860971fe --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern if_task=/opt/rustwide/target/debug/deps/libif_task-8cd21f6530262968.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `times_two_tests` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name tests --edition=2018 'Writing Automated Tests/Tests Test/Times Two Tests/tests/tests.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=ab8e0be0283c804e -C extra-filename=-ab8e0be0283c804e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern times_two_tests=/opt/rustwide/target/debug/deps/libtimes_two_tests-b7e492409d6c9fd6.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `tests_intro` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name tests_intro --edition=2018 'Writing Automated Tests/Tests/Intro/src/main.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=1712514190c744b1 -C extra-filename=-1712514190c744b1 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern tests_intro=/opt/rustwide/target/debug/deps/libtests_intro-794d1064b0fffeb3.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `errorsn`; 1 warning emitted [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name tests --edition=2018 'Recoverable and Unrecoverable Errors/Error Handling/Multiple Errors/tests/tests.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=e9b858807b3cc7f3 -C extra-filename=-e9b858807b3cc7f3 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern errorsn=/opt/rustwide/target/debug/deps/liberrorsn-3c89dfc9f9b9e875.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `matching_result_2` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name tests --edition=2018 'Recoverable and Unrecoverable Errors/Error Handling/Matching Result 2/tests/tests.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=18718cc1ff1f192e -C extra-filename=-18718cc1ff1f192e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `macros2` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name tests --edition=2018 'Modules and Macros/Macros/Declaring a Macro/tests/tests.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=e34ccf55096bb5df -C extra-filename=-e34ccf55096bb5df --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `testing_task` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name tests --edition=2018 'Writing Automated Tests/Tests/Testing Task/tests/tests.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=7acfd61c50558c43 -C extra-filename=-7acfd61c50558c43 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern testing_task=/opt/rustwide/target/debug/deps/libtesting_task-7e37abeae601ec28.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `calling_a_macro` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name tests --edition=2018 'Modules and Macros/Macros/Calling a Macro/tests/tests.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=82876138a6bb3f2f -C extra-filename=-82876138a6bb3f2f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `iterator3` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name tests --edition=2018 'Iterators and Closures/Standard Library Types/Iterator/tests/tests.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=f5353ce8ee859b39 -C extra-filename=-f5353ce8ee859b39 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern iterator3=/opt/rustwide/target/debug/deps/libiterator3-129d9c9daa31dbb5.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `result1`; 1 warning emitted [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name result1 --edition=2018 'Recoverable and Unrecoverable Errors/Error Handling/Result/src/lib.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=578bd90fd6a7296b -C extra-filename=-578bd90fd6a7296b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `boolean` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name tests --edition=2018 'Common Programming Concepts/Data Types/Boolean/tests/tests.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=2a2bd790a1cebc36 -C extra-filename=-2a2bd790a1cebc36 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `defining_a_function` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name tests --edition=2018 'Common Programming Concepts/Functions/Defining a Function/tests/tests.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=2db9f35c94912731 -C extra-filename=-2db9f35c94912731 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `macro_test` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name tests --edition=2018 'Modules and Macros/Macros and Modules Test/Test Task/tests/tests.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=82fc071e3e918490 -C extra-filename=-82fc071e3e918490 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `return_a_value` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name tests --edition=2018 'Common Programming Concepts/Functions/Return a Value/tests/tests.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=85ddfadd182c313d -C extra-filename=-85ddfadd182c313d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `arrays` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name tests --edition=2018 'Common Programming Concepts/Data Types/Arrays/tests/tests.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=c9a6e063f2e6aaad -C extra-filename=-c9a6e063f2e6aaad --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `charcaters` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name tests --edition=2018 'Common Programming Concepts/Data Types/Characters/tests/tests.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=4b17a00efa02f14e -C extra-filename=-4b17a00efa02f14e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `return_type` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name tests --edition=2018 'Common Programming Concepts/Functions/Return Type/tests/tests.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=0aeaa3dde5ca4012 -C extra-filename=-0aeaa3dde5ca4012 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `using_message_passing_to_transfer_data_between_threads` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name using_message_passing_to_transfer_data_between_threads --edition=2018 'Fearless Concurrency/Threads/Using Message Passing to Transfer Data Between Threads/src/main.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=ca05c326dee4996d -C extra-filename=-ca05c326dee4996d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `matching_result`; 1 warning emitted [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name matching_result --edition=2018 'Recoverable and Unrecoverable Errors/Error Handling/Matching Result/src/lib.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=38e3acddb0be9546 -C extra-filename=-38e3acddb0be9546 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `returning_result`; 1 warning emitted [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name returning_result --edition=2018 'Recoverable and Unrecoverable Errors/Error Handling/Returning Result/src/lib.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=c343d15ab0c39148 -C extra-filename=-c343d15ab0c39148 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `variables3` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name variables3 --edition=2018 'Common Programming Concepts/Variables/Variables 3/src/main.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=c6e721ccf5dbc2e1 -C extra-filename=-c6e721ccf5dbc2e1 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `variables4` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name variables4 --edition=2018 'Common Programming Concepts/Variables/Variables 4/src/main.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=a68a2c639b24ffb4 -C extra-filename=-a68a2c639b24ffb4 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `arrays` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name arrays --edition=2018 'Common Programming Concepts/Data Types/Arrays/src/main.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=c5d5be7d0fa19b01 -C extra-filename=-c5d5be7d0fa19b01 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `matching_result_2`; 1 warning emitted [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name matching_result_2 --edition=2018 'Recoverable and Unrecoverable Errors/Error Handling/Matching Result 2/src/main.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=ce50733e40cfe7e4 -C extra-filename=-ce50733e40cfe7e4 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `variables1` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name variables1 --edition=2018 'Common Programming Concepts/Variables/Variables 1/src/main.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=b0b0a12d2a2ccbf2 -C extra-filename=-b0b0a12d2a2ccbf2 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `variables2` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name variables2 --edition=2018 'Common Programming Concepts/Variables/Variables 2/src/main.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=a118d531327ee394 -C extra-filename=-a118d531327ee394 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `references_and_borrowing` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name references_and_borrowing --edition=2018 'Understanding Ownership/Move Semantics/References and Borrowing/src/main.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=7c1bf94a01f2780b -C extra-filename=-7c1bf94a01f2780b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `iterators4` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name iterators4 --edition=2018 'Iterators and Closures/Standard Library Types/Factorial/src/lib.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=f7328b9044a1968d -C extra-filename=-f7328b9044a1968d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `installation` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name installation --edition=2018 'Introduction/Getting started/Installation/src/main.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=f3f7c052aeb12c60 -C extra-filename=-f3f7c052aeb12c60 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `passing_an_argument` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name passing_an_argument --edition=2018 'Common Programming Concepts/Functions/Passing an Argument/src/main.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=b94320a29b3e9a8f -C extra-filename=-b94320a29b3e9a8f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `string_slice` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name string_slice --edition=2018 'Common Collections/Strings/String Slice/src/main.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=f8d1c04affac0241 -C extra-filename=-f8d1c04affac0241 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `return_type` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name return_type --edition=2018 'Common Programming Concepts/Functions/Return Type/src/main.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=5a4e1d489a3ed72a -C extra-filename=-5a4e1d489a3ed72a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `charcaters` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name charcaters --edition=2018 'Common Programming Concepts/Data Types/Characters/src/main.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=855e788610e772d9 -C extra-filename=-855e788610e772d9 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `repetition_with_loops` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name repetition_with_loops --edition=2018 'Common Programming Concepts/If/Repetition with Loops/src/main.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=ea5b4ccc230c5146 -C extra-filename=-ea5b4ccc230c5146 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `times_two_tests` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name times_two_tests --edition=2018 'Writing Automated Tests/Tests Test/Times Two Tests/src/lib.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=7af48c4f880c7da8 -C extra-filename=-7af48c4f880c7da8 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `if_task` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name if_task --edition=2018 'Common Programming Concepts/If/If Task/src/lib.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=da91ec6dc8e065eb -C extra-filename=-da91ec6dc8e065eb --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `shared_state_concurrency` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name shared_state_concurrency --edition=2018 'Iterators and Closures/Standard Library Types/Shared-State Concurrency/src/main.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=7e669cbb0766f893 -C extra-filename=-7e669cbb0766f893 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `type_annotation_of_a_parameter` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name type_annotation_of_a_parameter --edition=2018 'Common Programming Concepts/Functions/Type Annotation of a Parameter/src/main.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=6885dda7aa69287c -C extra-filename=-6885dda7aa69287c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `stdlib_intro` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name stdlib_intro --edition=2018 'Iterators and Closures/Standard Library Types/Intro/src/main.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=21cb8d42eac3811d -C extra-filename=-21cb8d42eac3811d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `variables_and_mutability` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name variables_and_mutability --edition=2018 'Common Programming Concepts/Variables/Variables and Mutability/src/main.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=f7dc0adc532f05a6 -C extra-filename=-f7dc0adc532f05a6 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `functions_intro` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name functions_intro --edition=2018 'Common Programming Concepts/Functions/Intro/src/main.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=022d4159f1b59029 -C extra-filename=-022d4159f1b59029 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `if_intro` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name if_intro --edition=2018 'Common Programming Concepts/If/Intro/src/main.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=4c67004a6301a991 -C extra-filename=-4c67004a6301a991 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `the_slice_type` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name the_slice_type --edition=2018 'Understanding Ownership/Move Semantics/The Slice Type/src/main.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=818f092d4c702237 -C extra-filename=-818f092d4c702237 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `macro_arms` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name macro_arms --edition=2018 'Modules and Macros/Macros/Macro Arms/src/main.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=4918214b9df373b4 -C extra-filename=-4918214b9df373b4 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `differences_between_variables_and_constants` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name differences_between_variables_and_constants --edition=2018 'Common Programming Concepts/Variables/Differences Between Variables and Constants/src/main.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=f6507228cefc7472 -C extra-filename=-f6507228cefc7472 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `calling_a_macro` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name calling_a_macro --edition=2018 'Modules and Macros/Macros/Calling a Macro/src/main.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=3ced152a5783ed6f -C extra-filename=-3ced152a5783ed6f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `testing_task` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name testing_task --edition=2018 'Writing Automated Tests/Tests/Testing Task/src/lib.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=be8e45c2ac995c57 -C extra-filename=-be8e45c2ac995c57 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `adding_custom_failure_messages` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name adding_custom_failure_messages --edition=2018 'Writing Automated Tests/Tests/Adding Custom Failure Messages/src/main.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=507f082821c8d2d9 -C extra-filename=-507f082821c8d2d9 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `variables_intro` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name variables_intro --edition=2018 'Common Programming Concepts/Variables/Intro/src/main.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=3762f9c1e0d33951 -C extra-filename=-3762f9c1e0d33951 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `macro_test` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name macro_test --edition=2018 'Modules and Macros/Macros and Modules Test/Test Task/src/main.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=f7880326663c5a23 -C extra-filename=-f7880326663c5a23 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `macros_intro` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name macros_intro --edition=2018 'Modules and Macros/Macros/Intro/src/main.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=be4901e5ff657d2e -C extra-filename=-be4901e5ff657d2e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `recoverable_errors_with_result` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name recoverable_errors_with_result --edition=2018 'Recoverable and Unrecoverable Errors/Error Handling/Recoverable Errors with Result/src/main.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=01ff8a94447836bd -C extra-filename=-01ff8a94447836bd --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `strings_intro` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name strings_intro --edition=2018 'Common Collections/Strings/Intro/src/main.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=2940e940a73bac4e -C extra-filename=-2940e940a73bac4e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `about` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name about --edition=2018 'Introduction/Getting started/About/src/main.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=bcfd853274a83a87 -C extra-filename=-bcfd853274a83a87 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `bringing_paths_into_scope_with_the_use_keyword` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name bringing_paths_into_scope_with_the_use_keyword --edition=2018 'Modules and Macros/Modules/Bringing Paths into Scope with the use Keyword/src/main.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=82f0d8b1e16e1cda -C extra-filename=-82f0d8b1e16e1cda --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `scalar_types` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name scalar_types --edition=2018 'Common Programming Concepts/Data Types/Scalar Types/src/main.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=53e2e1779ef7f067 -C extra-filename=-53e2e1779ef7f067 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `else_if` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name else_if --edition=2018 'Common Programming Concepts/If/else if/src/main.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=81fb0ea0db7057e0 -C extra-filename=-81fb0ea0db7057e0 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] running `Command { std: "docker" "inspect" "058c68f4d985367d28872db97bd2bdefe22f73dff8e42d18aae64d4a19f6b10f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "058c68f4d985367d28872db97bd2bdefe22f73dff8e42d18aae64d4a19f6b10f", kill_on_drop: false }` [INFO] [stdout] 058c68f4d985367d28872db97bd2bdefe22f73dff8e42d18aae64d4a19f6b10f