[INFO] cloning repository https://github.com/mayank-sharma-pant/Learning-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mayank-sharma-pant/Learning-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmayank-sharma-pant%2FLearning-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmayank-sharma-pant%2FLearning-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e68f89f849276e102187c6d2ce658cd4cb39e2fb
[INFO] fixing mayank-sharma-pant/Learning-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%2Fmayank-sharma-pant%2FLearning-Rust" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mayank-sharma-pant/Learning-Rust
[INFO] finished tweaking git repo https://github.com/mayank-sharma-pant/Learning-Rust
[INFO] tweaked toml for git repo https://github.com/mayank-sharma-pant/Learning-Rust written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mayank-sharma-pant/Learning-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/mayank-sharma-pant/Learning-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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 1c56fde60d6361e8a5b7cd0809f531c56a03f9816d6501f86c0ce212dd46ba9d
[INFO] running `Command { std: "docker" "start" "1c56fde60d6361e8a5b7cd0809f531c56a03f9816d6501f86c0ce212dd46ba9d", 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" "1c56fde60d6361e8a5b7cd0809f531c56a03f9816d6501f86c0ce212dd46ba9d" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c56fde60d6361e8a5b7cd0809f531c56a03f9816d6501f86c0ce212dd46ba9d", 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" "1c56fde60d6361e8a5b7cd0809f531c56a03f9816d6501f86c0ce212dd46ba9d" "/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 Rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0428]: the name `main` is defined multiple times
[INFO] [stdout]  --> src/bin/ownership.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {
[INFO] [stdout]   | --------- previous definition of the value `main` here
[INFO] [stdout] ...
[INFO] [stdout] 7 | fn main() {
[INFO] [stdout]   | ^^^^^^^^^ `main` redefined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `main` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `main` is defined multiple times
[INFO] [stdout]  --> src/bin/ownership.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {
[INFO] [stdout]   | --------- previous definition of the value `main` here
[INFO] [stdout] ...
[INFO] [stdout] 7 | fn main() {
[INFO] [stdout]   | ^^^^^^^^^ `main` redefined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `main` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0382]: borrow of moved value: `s1`
[INFO] [stdout]  --> src/bin/ownership.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let s1 = String::from("hello");
[INFO] [stdout]   |         -- move occurs because `s1` has type `String`, which does not implement the `Copy` trait
[INFO] [stdout] 3 |     let s2 = s1;
[INFO] [stdout]   |              -- value moved here
[INFO] [stdout] 4 |     println!("{}", s1); // This line would cause a compile error because ownership has been moved.
[INFO] [stdout]   |                    ^^ value borrowed here after move
[INFO] [stdout]   |
[INFO] [stdout] help: consider cloning the value if the performance cost is acceptable
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let s2 = s1.clone();
[INFO] [stdout]   |                ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s2`
[INFO] [stdout]  --> src/bin/ownership.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let s2 = s1;
[INFO] [stdout]   |         ^^ help: if this is intentional, prefix it with an underscore: `_s2`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0382, E0428.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0382`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `Rust` (bin "ownership" test) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0382]: borrow of moved value: `s1`
[INFO] [stdout]  --> src/bin/ownership.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let s1 = String::from("hello");
[INFO] [stdout]   |         -- move occurs because `s1` has type `String`, which does not implement the `Copy` trait
[INFO] [stdout] 3 |     let s2 = s1;
[INFO] [stdout]   |              -- value moved here
[INFO] [stdout] 4 |     println!("{}", s1); // This line would cause a compile error because ownership has been moved.
[INFO] [stdout]   |                    ^^ value borrowed here after move
[INFO] [stdout]   |
[INFO] [stdout] help: consider cloning the value if the performance cost is acceptable
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let s2 = s1.clone();
[INFO] [stdout]   |                ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s2`
[INFO] [stdout]  --> src/bin/ownership.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let s2 = s1;
[INFO] [stdout]   |         ^^ help: if this is intentional, prefix it with an underscore: `_s2`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0382, E0428.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0382`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `Rust` (bin "ownership") due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "1c56fde60d6361e8a5b7cd0809f531c56a03f9816d6501f86c0ce212dd46ba9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c56fde60d6361e8a5b7cd0809f531c56a03f9816d6501f86c0ce212dd46ba9d", kill_on_drop: false }`
[INFO] [stdout] 1c56fde60d6361e8a5b7cd0809f531c56a03f9816d6501f86c0ce212dd46ba9d
