[INFO] cloning repository https://github.com/ryanthegentry/Rustlings
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ryanthegentry/Rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanthegentry%2FRustlings", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanthegentry%2FRustlings'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3d77f264101a35c4fea194e0253e4ecad2ccb3c0
[INFO] testing ryanthegentry/Rustlings against try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanthegentry%2FRustlings" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ryanthegentry/Rustlings
[INFO] finished tweaking git repo https://github.com/ryanthegentry/Rustlings
[INFO] tweaked toml for git repo https://github.com/ryanthegentry/Rustlings written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ryanthegentry/Rustlings on toolchain 9f93af291970322f4f1c6315ccde4d7078201159
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ryanthegentry/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" "+9f93af291970322f4f1c6315ccde4d7078201159" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] testing ryanthegentry/Rustlings against try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanthegentry%2FRustlings" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ryanthegentry/Rustlings
[INFO] finished tweaking git repo https://github.com/ryanthegentry/Rustlings
[INFO] tweaked toml for git repo https://github.com/ryanthegentry/Rustlings written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ryanthegentry/Rustlings on toolchain 9f93af291970322f4f1c6315ccde4d7078201159
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ryanthegentry/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" "+9f93af291970322f4f1c6315ccde4d7078201159" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.106
[INFO] [stderr]   Downloaded escargot v0.5.0
[INFO] [stderr]   Downloaded ryu v1.0.3
[INFO] [stderr]   Downloaded serde v1.0.106
[INFO] [stderr]   Downloaded serde_json v1.0.51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32eb038532d8820b49192686bdcb5f3920cb78e2ab0fc794634745d5147e5a04
[INFO] running `Command { std: "docker" "start" "-a" "32eb038532d8820b49192686bdcb5f3920cb78e2ab0fc794634745d5147e5a04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32eb038532d8820b49192686bdcb5f3920cb78e2ab0fc794634745d5147e5a04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32eb038532d8820b49192686bdcb5f3920cb78e2ab0fc794634745d5147e5a04", kill_on_drop: false }`
[INFO] [stdout] 32eb038532d8820b49192686bdcb5f3920cb78e2ab0fc794634745d5147e5a04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35bde16fa494d6e71d365da7f4e749112e656b52d6526da59acbb3679785ee9f
[INFO] running `Command { std: "docker" "start" "-a" "35bde16fa494d6e71d365da7f4e749112e656b52d6526da59acbb3679785ee9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling escargot v0.5.0
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling tests_intro v0.1.0 (/opt/rustwide/workdir/Writing Automated Tests/Tests/Intro)
[INFO] [stderr]    Compiling boolean v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Data Types/Boolean)
[INFO] [stderr]    Compiling matching_result_2 v0.1.0 (/opt/rustwide/workdir/Recoverable and Unrecoverable Errors/Error Handling/Matching Result 2)
[INFO] [stderr]    Compiling about v0.1.0 (/opt/rustwide/workdir/Introduction/Getting started/About)
[INFO] [stderr]    Compiling modules_intro v0.1.0 (/opt/rustwide/workdir/Modules and Macros/Modules/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 return_type v0.1.0 (/opt/rustwide/workdir/Common Programming Concepts/Functions/Return Type)
[INFO] [stderr]    Compiling returning_a_string v0.1.0 (/opt/rustwide/workdir/Common Collections/Strings/Returning a String)
[INFO] [stderr]    Compiling shared_state_concurrency v0.1.0 (/opt/rustwide/workdir/Iterators and Closures/Standard Library Types/Shared-State Concurrency)
[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] [stdout] error: expected type, found `{`
[INFO] [stdout]  --> Common Programming Concepts/Functions/Return Type/src/main.rs:6:50
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn sale_price(price: i32) -> /*put a type here*/ {
[INFO] [stdout]   |                                                  ^ expected type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `.`, `?`, `{`, or an operator, found `;`
[INFO] [stdout]  --> Recoverable and Unrecoverable Errors/Error Handling/Matching Result 2/src/main.rs:7:53
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let cost = match total_cost(pretend_user_input)?;
[INFO] [stdout]   |                -----                                ^ expected one of `.`, `?`, `{`, or an operator
[INFO] [stdout]   |                |
[INFO] [stdout]   |                while parsing this `match` expression
[INFO] [stdout]   |                help: try removing this `match`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `return_type` (bin "return_type") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `matching_result_2` (bin "matching_result_2") due to 1 previous error
[INFO] [stdout] error: mismatched closing delimiter: `}`
[INFO] [stdout]  --> Common Collections/Strings/Returning a String/src/main.rs:7:45
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn current_favorite_color() -> String {
[INFO] [stdout]   |                                           - closing delimiter possibly meant for this
[INFO] [stdout] 7 |     /*type the beginning of the trait here*/("blue"/*and the last part here*/
[INFO] [stdout]   |                                             ^ unclosed delimiter
[INFO] [stdout] 8 | }
[INFO] [stdout]   | ^ mismatched closing delimiter
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rectangle` is never constructed
[INFO] [stdout]  --> Writing Automated Tests/Tests/Intro/src/lib.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Rectangle {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `can_hold` is never used
[INFO] [stdout]  --> Writing Automated Tests/Tests/Intro/src/lib.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl Rectangle {
[INFO] [stdout]   | -------------- method in this implementation
[INFO] [stdout] 8 |     fn can_hold(&self, other: &Rectangle) -> bool {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `boolean` (bin "boolean") due to 1 previous error
[INFO] [stdout] error: expected identifier, found keyword `if`
[INFO] [stdout]  --> Common Programming Concepts/Data Types/Boolean/src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     if is_evening {
[INFO] [stdout]   |     ^^ expected identifier, found keyword
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `returning_a_string` (bin "returning_a_string") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "35bde16fa494d6e71d365da7f4e749112e656b52d6526da59acbb3679785ee9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35bde16fa494d6e71d365da7f4e749112e656b52d6526da59acbb3679785ee9f", kill_on_drop: false }`
[INFO] [stdout] 35bde16fa494d6e71d365da7f4e749112e656b52d6526da59acbb3679785ee9f
