[INFO] cloning repository https://github.com/yutoAb/rust-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yutoAb/rust-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FyutoAb%2Frust-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FyutoAb%2Frust-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8f904ce6abca1a073a89f10c93f1e6ee163e9864
[INFO] fixing yutoAb/rust-playground 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%2FyutoAb%2Frust-playground" "/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/yutoAb/rust-playground
[INFO] finished tweaking git repo https://github.com/yutoAb/rust-playground
[INFO] tweaked toml for git repo https://github.com/yutoAb/rust-playground written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/yutoAb/rust-playground 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/yutoAb/rust-playground 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] 2c3e36c694b65a9e73f44722c49fb34b4d8b177df3aad48902c1b3900480befb
[INFO] running `Command { std: "docker" "start" "2c3e36c694b65a9e73f44722c49fb34b4d8b177df3aad48902c1b3900480befb", 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" "2c3e36c694b65a9e73f44722c49fb34b4d8b177df3aad48902c1b3900480befb" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c3e36c694b65a9e73f44722c49fb34b4d8b177df3aad48902c1b3900480befb", 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" "2c3e36c694b65a9e73f44722c49fb34b4d8b177df3aad48902c1b3900480befb" "/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 clap_lex v1.0.0
[INFO] [stderr]     Checking iterators v0.1.0 (/opt/rustwide/workdir/snippets/iterators)
[INFO] [stderr]     Checking hello v0.1.0 (/opt/rustwide/workdir/snippets/hello)
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]     Checking abc001 v0.1.0 (/opt/rustwide/workdir/katas/abc001)
[INFO] [stderr]     Checking practice v0.1.0 (/opt/rustwide/workdir/snippets/practice)
[INFO] [stderr] error: could not compile `practice` (bin "practice") due to 1 previous error; 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]  --> snippets/practice/src/main.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let s1 = String::from("hello");
[INFO] [stdout]   |         -- move occurs because `s1` has type `String`, which does not implement the `Copy` trait
[INFO] [stdout] 4 |     let s2 = s1;
[INFO] [stdout]   |              -- value moved here
[INFO] [stdout] 5 |     println!("{}", s1);
[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] 4 |     let s2 = s1.clone();
[INFO] [stdout]   |                ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s2`
[INFO] [stdout]  --> snippets/practice/src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     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] For more information about this error, try `rustc --explain E0382`.
[INFO] [stdout] 
[INFO] [stdout] error[E0382]: borrow of moved value: `s1`
[INFO] [stdout]  --> snippets/practice/src/main.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let s1 = String::from("hello");
[INFO] [stdout]   |         -- move occurs because `s1` has type `String`, which does not implement the `Copy` trait
[INFO] [stdout] 4 |     let s2 = s1;
[INFO] [stdout]   |              -- value moved here
[INFO] [stdout] 5 |     println!("{}", s1);
[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] 4 |     let s2 = s1.clone();
[INFO] [stdout]   |                ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s2`
[INFO] [stdout]  --> snippets/practice/src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     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] For more information about this error, try `rustc --explain E0382`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `practice` (bin "practice" test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "2c3e36c694b65a9e73f44722c49fb34b4d8b177df3aad48902c1b3900480befb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c3e36c694b65a9e73f44722c49fb34b4d8b177df3aad48902c1b3900480befb", kill_on_drop: false }`
[INFO] [stdout] 2c3e36c694b65a9e73f44722c49fb34b4d8b177df3aad48902c1b3900480befb
