[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] checking LearningByExample/rustlings against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningByExample%2Frustlings" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/LearningByExample/rustlings on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "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-0-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded escargot v0.5.0 [INFO] [stderr] Downloaded syn v1.0.32 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2c9cf9d979f7407dada1aa682a7d46acc7a1d116c70537dc7d1972a6645fb172 [INFO] running `Command { std: "docker" "start" "-a" "2c9cf9d979f7407dada1aa682a7d46acc7a1d116c70537dc7d1972a6645fb172", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2c9cf9d979f7407dada1aa682a7d46acc7a1d116c70537dc7d1972a6645fb172", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2c9cf9d979f7407dada1aa682a7d46acc7a1d116c70537dc7d1972a6645fb172", kill_on_drop: false }` [INFO] [stdout] 2c9cf9d979f7407dada1aa682a7d46acc7a1d116c70537dc7d1972a6645fb172 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a695319868fef21a8353bb7ad943f8f201d6418ffba6ec41e4f27a347da259c9 [INFO] running `Command { std: "docker" "start" "-a" "a695319868fef21a8353bb7ad943f8f201d6418ffba6ec41e4f27a347da259c9", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.32 [INFO] [stderr] Compiling serde_derive v1.0.113 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling serde v1.0.113 [INFO] [stderr] Compiling serde_json v1.0.55 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Compiling escargot v0.5.0 [INFO] [stderr] Checking tests_intro v0.1.0 (/opt/rustwide/workdir/Writing Automated Tests/Tests/Intro) [INFO] [stderr] Checking calculate_price v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Variables and Functions Test/Calculate Price) [INFO] [stderr] Checking errorsn v0.1.0 (/opt/rustwide/workdir/Recoverable and Unrecoverable Errors/Error Handling/Multiple Errors) [INFO] [stderr] Checking times_two_tests v0.1.0 (/opt/rustwide/workdir/Writing Automated Tests/Tests Test/Times Two Tests) [INFO] [stderr] Checking result1 v0.1.0 (/opt/rustwide/workdir/Recoverable and Unrecoverable Errors/Error Handling/Result) [INFO] [stderr] Checking if_task v0.1.0 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(/opt/rustwide/workdir/Introduction/Getting started/Installation) [INFO] [stderr] Checking 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] Checking macro_arms v0.1.0 (/opt/rustwide/workdir/Modules and Macros/Macros/Macro Arms) [INFO] [stderr] Checking variables4 v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Variables/Variables 4) [INFO] [stderr] Checking macros3 v0.1.0 (/opt/rustwide/workdir/Modules and Macros/Macros/Outside of Module) [INFO] [stderr] Checking 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] Checking macros2 v0.1.0 (/opt/rustwide/workdir/Modules and Macros/Macros/Declaring a Macro) [INFO] [stderr] Checking variables_and_mutability v0.1.0 (/opt/rustwide/workdir/Common Programming 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(/opt/rustwide/workdir/Common Programming Concepts/Functions/Type Annotation of a Parameter) [INFO] [stderr] Checking assert v0.1.0 (/opt/rustwide/workdir/Writing Automated Tests/Tests/Assert) [INFO] [stderr] Checking modules_intro v0.1.0 (/opt/rustwide/workdir/Modules and Macros/Modules/Intro) [INFO] [stderr] Checking statements_and_expressions v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Functions/Statements and Expressions) [INFO] [stderr] Checking return_type v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Functions/Return Type) [INFO] [stderr] Checking returning_a_string v0.1.0 (/opt/rustwide/workdir/Common Collections/Strings/Returning a String) [INFO] [stderr] Checking macros_intro v0.1.0 (/opt/rustwide/workdir/Modules and Macros/Macros/Intro) [INFO] [stderr] Checking scalar_types v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Data Types/Scalar Types) [INFO] [stderr] Checking repetition_with_loops v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/If/Repetition with Loops) [INFO] [stderr] Checking defining_a_function v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Functions/Defining a Function) [INFO] [stderr] Checking strings_intro v0.1.0 (/opt/rustwide/workdir/Common Collections/Strings/Intro) [INFO] [stderr] Checking variables_intro v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Variables/Intro) [INFO] [stderr] Checking threads_intro v0.1.0 (/opt/rustwide/workdir/Fearless Concurrency/Threads/Intro) [INFO] [stderr] Checking move_semantics_intro v0.1.0 (/opt/rustwide/workdir/Understanding Ownership/Move Semantics/Intro) [INFO] [stderr] Checking 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] Checking return_a_value v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Functions/Return a Value) [INFO] [stderr] Checking if_intro v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/If/Intro) [INFO] [stderr] Checking about v0.1.0 (/opt/rustwide/workdir/Introduction/Getting started/About) [INFO] [stderr] Checking stdlib_intro v0.1.0 (/opt/rustwide/workdir/Iterators and Closures/Standard Library Types/Intro) [INFO] [stderr] Checking adding_custom_failure_messages v0.1.0 (/opt/rustwide/workdir/Writing Automated Tests/Tests/Adding Custom Failure Messages) [INFO] [stderr] Checking variables1 v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Variables/Variables 1) [INFO] [stderr] Checking calling_a_macro v0.1.0 (/opt/rustwide/workdir/Modules and Macros/Macros/Calling a Macro) [INFO] [stderr] Checking variables3 v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Variables/Variables 3) [INFO] [stderr] Checking boolean v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Data Types/Boolean) [INFO] [stderr] Checking differences_between_variables_and_constants v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Variables/Differences Between Variables and Constants) [INFO] [stderr] Checking variables2 v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Variables/Variables 2) [INFO] [stderr] Checking error_handling_intro v0.1.0 (/opt/rustwide/workdir/Recoverable and Unrecoverable Errors/Error Handling/Intro) [INFO] [stderr] Checking arrays v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Data Types/Arrays) [INFO] [stderr] Checking references_and_borrowing v0.1.0 (/opt/rustwide/workdir/Understanding Ownership/Move Semantics/References and Borrowing) [INFO] [stderr] Checking compound_types v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Data Types/Compound Types) [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] --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/alloc/src/vec/mod.rs:398:1 [INFO] [stdout] | [INFO] [stdout] = note: similarly named struct `Vec` defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking string_slice v0.1.0 (/opt/rustwide/workdir/Common Collections/Strings/String Slice) [INFO] [stderr] Checking the_slice_type v0.1.0 (/opt/rustwide/workdir/Understanding Ownership/Move Semantics/The Slice Type) [INFO] [stdout] error: aborting due to 1 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` (lib test) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "a695319868fef21a8353bb7ad943f8f201d6418ffba6ec41e4f27a347da259c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a695319868fef21a8353bb7ad943f8f201d6418ffba6ec41e4f27a347da259c9", kill_on_drop: false }` [INFO] [stdout] a695319868fef21a8353bb7ad943f8f201d6418ffba6ec41e4f27a347da259c9 [INFO] checking LearningByExample/rustlings against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-4 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningByExample%2Frustlings" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/LearningByExample/rustlings on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "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-0-tc2/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5bcc4c1f0b3115e539bc3c893c6c9b2d7b1514a97f1cf2b776ff061afb6bfc2c [INFO] running `Command { std: "docker" "start" "-a" "5bcc4c1f0b3115e539bc3c893c6c9b2d7b1514a97f1cf2b776ff061afb6bfc2c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5bcc4c1f0b3115e539bc3c893c6c9b2d7b1514a97f1cf2b776ff061afb6bfc2c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5bcc4c1f0b3115e539bc3c893c6c9b2d7b1514a97f1cf2b776ff061afb6bfc2c", kill_on_drop: false }` [INFO] [stdout] 5bcc4c1f0b3115e539bc3c893c6c9b2d7b1514a97f1cf2b776ff061afb6bfc2c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0d05b9988f551e7ac873853605e5251b256acac26ddd2105ae9bc48c365a48ff [INFO] running `Command { std: "docker" "start" "-a" "0d05b9988f551e7ac873853605e5251b256acac26ddd2105ae9bc48c365a48ff", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] no edition found in manifest, probably 2015, skipping [INFO] running `Command { std: "docker" "inspect" "0d05b9988f551e7ac873853605e5251b256acac26ddd2105ae9bc48c365a48ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d05b9988f551e7ac873853605e5251b256acac26ddd2105ae9bc48c365a48ff", kill_on_drop: false }` [INFO] [stdout] 0d05b9988f551e7ac873853605e5251b256acac26ddd2105ae9bc48c365a48ff