[INFO] cloning repository https://github.com/Hammad751/RustLearning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Hammad751/RustLearning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHammad751%2FRustLearning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHammad751%2FRustLearning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 20e8514386841cd675c936a8dd3dccd732b83192
[INFO] fixing Hammad751/RustLearning against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHammad751%2FRustLearning" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Hammad751/RustLearning
[INFO] finished tweaking git repo https://github.com/Hammad751/RustLearning
[INFO] tweaked toml for git repo https://github.com/Hammad751/RustLearning written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Hammad751/RustLearning on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Hammad751/RustLearning 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 9002fecf45518db27224f48c6712c079bfd83c05719f379c3d737649f2f432a1
[INFO] running `Command { std: "docker" "start" "9002fecf45518db27224f48c6712c079bfd83c05719f379c3d737649f2f432a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9002fecf45518db27224f48c6712c079bfd83c05719f379c3d737649f2f432a1" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9002fecf45518db27224f48c6712c079bfd83c05719f379c3d737649f2f432a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9002fecf45518db27224f48c6712c079bfd83c05719f379c3d737649f2f432a1" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]     Checking hello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `!`, `(`, `)`, `+`, `,`, `::`, or `<`, found `u32`
[INFO] [stdout]  --> examples/6_tuple.rs:8:28
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn return_tuple() -> (bool u32)  // Return many tuples
[INFO] [stdout]   |                           -^^^ expected one of 7 possible tokens
[INFO] [stdout]   |                           |
[INFO] [stdout]   |                           help: missing `,`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `!`, `,`, `.`, `::`, `?`, `{`, or an operator, found `;`
[INFO] [stdout]   --> examples/6_tuple.rs:55:28
[INFO] [stdout]    |
[INFO] [stdout] 55 |     println!(x {}, y{}, x,y;);
[INFO] [stdout]    |                            ^ expected one of 7 possible tokens
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: format argument must be a string literal
[INFO] [stdout]   --> examples/6_tuple.rs:55:14
[INFO] [stdout]    |
[INFO] [stdout] 55 |     println!(x {}, y{}, x,y;);
[INFO] [stdout]    |              ^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: you might be missing a string literal to format with
[INFO] [stdout]    |
[INFO] [stdout] 55 |     println!("{} {} {} {}", x {}, y{}, x,y;);
[INFO] [stdout]    |              ++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected `;`, found keyword `let`
[INFO] [stdout]   --> examples/10_struct.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 64 |     Exercise
[INFO] [stdout]    |             ^ help: add `;` here
[INFO] [stdout] 65 |
[INFO] [stdout] 66 |     let data = new_account(String::from("0x1234567890abcdef"));
[INFO] [stdout]    |     --- unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `User` in this scope
[INFO] [stdout]   --> examples/10_struct.rs:75:16
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let user = User{
[INFO] [stdout]    |                ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0422`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hello` (example "10_struct") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0425]: cannot find function `return_many` in this scope
[INFO] [stdout]   --> examples/6_tuple.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let (x,z) = return_many();
[INFO] [stdout]    |                 ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hello` (example "6_tuple") due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "9002fecf45518db27224f48c6712c079bfd83c05719f379c3d737649f2f432a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9002fecf45518db27224f48c6712c079bfd83c05719f379c3d737649f2f432a1", kill_on_drop: false }`
[INFO] [stdout] 9002fecf45518db27224f48c6712c079bfd83c05719f379c3d737649f2f432a1
