[INFO] cloning repository https://github.com/leroycep/explain-tinysynth
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/leroycep/explain-tinysynth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleroycep%2Fexplain-tinysynth", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleroycep%2Fexplain-tinysynth'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 45641f66d04e0983f8fd106dea96eae4b3f53f95
[INFO] checking leroycep/explain-tinysynth against master#43ca9d18e333797f0aa3b525501a7cec8d61a96b for pr-136764
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleroycep%2Fexplain-tinysynth" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/leroycep/explain-tinysynth on toolchain 43ca9d18e333797f0aa3b525501a7cec8d61a96b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+43ca9d18e333797f0aa3b525501a7cec8d61a96b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/leroycep/explain-tinysynth
[INFO] finished tweaking git repo https://github.com/leroycep/explain-tinysynth
[INFO] tweaked toml for git repo https://github.com/leroycep/explain-tinysynth written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/leroycep/explain-tinysynth 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" "+43ca9d18e333797f0aa3b525501a7cec8d61a96b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+43ca9d18e333797f0aa3b525501a7cec8d61a96b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cbc2922e7dd1c10ac435bdc4edd7835ea196d03b90645dad1a6141236a12d686
[INFO] running `Command { std: "docker" "start" "-a" "cbc2922e7dd1c10ac435bdc4edd7835ea196d03b90645dad1a6141236a12d686", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbc2922e7dd1c10ac435bdc4edd7835ea196d03b90645dad1a6141236a12d686", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbc2922e7dd1c10ac435bdc4edd7835ea196d03b90645dad1a6141236a12d686", kill_on_drop: false }`
[INFO] [stdout] cbc2922e7dd1c10ac435bdc4edd7835ea196d03b90645dad1a6141236a12d686
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+43ca9d18e333797f0aa3b525501a7cec8d61a96b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6fde3874dc674c459a9fe1ba6fcb36d45bac396df1f0f9f9c2826ba95afaf6e
[INFO] running `Command { std: "docker" "start" "-a" "b6fde3874dc674c459a9fe1ba6fcb36d45bac396df1f0f9f9c2826ba95afaf6e", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]     Checking explain-tinysynth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `explain_tinysynth`
[INFO] [stdout]   --> src/main.rs:51:2
[INFO] [stdout]    |
[INFO] [stdout] 51 | }
[INFO] [stdout]    |  ^ consider adding a `main` function to `src/main.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0382]: use of moved value: `characters`
[INFO] [stdout]   --> src/main.rs:16:22
[INFO] [stdout]    |
[INFO] [stdout] 9  |     let characters = w_string.chars();
[INFO] [stdout]    |         ---------- move occurs because `characters` has type `Chars<'_>`, which does not implement the `Copy` trait
[INFO] [stdout] ...
[INFO] [stdout] 12 |     characters.skip(1);
[INFO] [stdout]    |                ------- `characters` moved due to this method call
[INFO] [stdout] ...
[INFO] [stdout] 16 |     for character in characters {
[INFO] [stdout]    |                      ^^^^^^^^^^ value used here after move
[INFO] [stdout]    |
[INFO] [stdout] note: `skip` takes ownership of the receiver `self`, which moves `characters`
[INFO] [stdout]   --> /rustc/43ca9d18e333797f0aa3b525501a7cec8d61a96b/library/core/src/iter/traits/iterator.rs:1292:13
[INFO] [stdout] help: you can `clone` the value and consume it, but this might not be your desired behavior
[INFO] [stdout]    |
[INFO] [stdout] 12 |     characters.clone().skip(1);
[INFO] [stdout]    |               ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0382`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `explain-tinysynth` (bin "explain-tinysynth" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0382]: use of moved value: `characters`
[INFO] [stdout]   --> src/main.rs:16:22
[INFO] [stdout]    |
[INFO] [stdout] 9  |     let characters = w_string.chars();
[INFO] [stdout]    |         ---------- move occurs because `characters` has type `Chars<'_>`, which does not implement the `Copy` trait
[INFO] [stdout] ...
[INFO] [stdout] 12 |     characters.skip(1);
[INFO] [stdout]    |                ------- `characters` moved due to this method call
[INFO] [stdout] ...
[INFO] [stdout] 16 |     for character in characters {
[INFO] [stdout]    |                      ^^^^^^^^^^ value used here after move
[INFO] [stdout]    |
[INFO] [stdout] note: `skip` takes ownership of the receiver `self`, which moves `characters`
[INFO] [stdout]   --> /rustc/43ca9d18e333797f0aa3b525501a7cec8d61a96b/library/core/src/iter/traits/iterator.rs:1292:13
[INFO] [stdout] help: you can `clone` the value and consume it, but this might not be your desired behavior
[INFO] [stdout]    |
[INFO] [stdout] 12 |     characters.clone().skip(1);
[INFO] [stdout]    |               ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0382, E0601.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0382`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `explain-tinysynth` (bin "explain-tinysynth") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "b6fde3874dc674c459a9fe1ba6fcb36d45bac396df1f0f9f9c2826ba95afaf6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6fde3874dc674c459a9fe1ba6fcb36d45bac396df1f0f9f9c2826ba95afaf6e", kill_on_drop: false }`
[INFO] [stdout] b6fde3874dc674c459a9fe1ba6fcb36d45bac396df1f0f9f9c2826ba95afaf6e