[INFO] cloning repository https://github.com/Nithwin/Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nithwin/Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNithwin%2FRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNithwin%2FRust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 74b21c4fed623d9cf4d19806e9be5a2bc933e35a
[INFO] fixing Nithwin/Rust 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%2FNithwin%2FRust" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Nithwin/Rust
[INFO] finished tweaking git repo https://github.com/Nithwin/Rust
[INFO] tweaked toml for git repo https://github.com/Nithwin/Rust written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Nithwin/Rust 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/Nithwin/Rust 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] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2024 which implies `resolver = "3"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2024 resolver, specify `workspace.resolver = "3"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 7085284b8d0677e3fcc70c9327d120270d1e51f695559cd980667cb4f11a962e
[INFO] running `Command { std: "docker" "start" "7085284b8d0677e3fcc70c9327d120270d1e51f695559cd980667cb4f11a962e", 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" "7085284b8d0677e3fcc70c9327d120270d1e51f695559cd980667cb4f11a962e" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7085284b8d0677e3fcc70c9327d120270d1e51f695559cd980667cb4f11a962e", 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" "7085284b8d0677e3fcc70c9327d120270d1e51f695559cd980667cb4f11a962e" "/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] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2024 which implies `resolver = "3"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2024 resolver, specify `workspace.resolver = "3"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking socket2 v0.6.2
[INFO] [stderr]     Checking mio v1.1.1
[INFO] [stderr]     Checking basics v0.1.0 (/opt/rustwide/workdir/01_basics)
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> 01_basics/challenges/08_loops.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | /     loop {
[INFO] [stdout]  8 | |         count += 1;
[INFO] [stdout]  9 | |         println!("Count: {}", count);
[INFO] [stdout] ...  |
[INFO] [stdout] 15 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 16 |
[INFO] [stdout] 17 |       println!("Done!");
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0384]: cannot assign twice to immutable variable `x`
[INFO] [stdout]  --> 01_basics/challenges/01_variables.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let x = 5;
[INFO] [stdout]   |         - first assignment to `x`
[INFO] [stdout] 6 |     println!("x is {}", x);
[INFO] [stdout] 7 |     x = 6; // Error: cannot assign twice to immutable variable
[INFO] [stdout]   |     ^^^^^ cannot assign twice to immutable variable
[INFO] [stdout]   |
[INFO] [stdout] help: consider making this binding mutable
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut x = 5;
[INFO] [stdout]   |         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking hex_viewer v0.1.0 (/opt/rustwide/workdir/02_hex_viewer)
[INFO] [stdout] For more information about this error, try `rustc --explain E0384`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `basics` (bin "challenge_01_variables") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0308]: `if` and `else` have incompatible types
[INFO] [stdout]  --> 01_basics/challenges/07_conditionals.rs:9:44
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let result = if condition { 5 } else { "six" };
[INFO] [stdout]   |                                 -          ^^^^^ expected integer, found `&str`
[INFO] [stdout]   |                                 |
[INFO] [stdout]   |                                 expected because of this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `basics` (bin "challenge_07_conditionals") due to 1 previous error
[INFO] [stdout] warning: function `divide` is never used
[INFO] [stdout]   --> 01_basics/src/bin/20_testing.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn divide(a: i32, b: i32) -> i32 {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7085284b8d0677e3fcc70c9327d120270d1e51f695559cd980667cb4f11a962e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7085284b8d0677e3fcc70c9327d120270d1e51f695559cd980667cb4f11a962e", kill_on_drop: false }`
[INFO] [stdout] 7085284b8d0677e3fcc70c9327d120270d1e51f695559cd980667cb4f11a962e
