[INFO] fetching crate fscx-rs 0.1.4...
[INFO] testing fscx-rs-0.1.4 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate fscx-rs 0.1.4 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate fscx-rs 0.1.4
[INFO] finished tweaking crates.io crate fscx-rs 0.1.4
[INFO] tweaked toml for crates.io crate fscx-rs 0.1.4 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fscx-rs 0.1.4 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fscx-rs 0.1.4 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d65ccaf560e5adbd5e069e570ae352360875c4e8bd92f7aab87396e7ff903ff6
[INFO] running `Command { std: "docker" "start" "-a" "d65ccaf560e5adbd5e069e570ae352360875c4e8bd92f7aab87396e7ff903ff6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d65ccaf560e5adbd5e069e570ae352360875c4e8bd92f7aab87396e7ff903ff6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d65ccaf560e5adbd5e069e570ae352360875c4e8bd92f7aab87396e7ff903ff6", kill_on_drop: false }`
[INFO] [stdout] d65ccaf560e5adbd5e069e570ae352360875c4e8bd92f7aab87396e7ff903ff6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 7e1bc3e15c65498a7bf64c3328fcb6bd7aa81107f7da48b9f8eff0fe0827d270
[INFO] running `Command { std: "docker" "start" "-a" "7e1bc3e15c65498a7bf64c3328fcb6bd7aa81107f7da48b9f8eff0fe0827d270", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling walkdir v2.4.0
[INFO] [stderr]    Compiling fscx-rs v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/dir.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `Command { std: "docker" "inspect" "7e1bc3e15c65498a7bf64c3328fcb6bd7aa81107f7da48b9f8eff0fe0827d270", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e1bc3e15c65498a7bf64c3328fcb6bd7aa81107f7da48b9f8eff0fe0827d270", kill_on_drop: false }`
[INFO] [stdout] 7e1bc3e15c65498a7bf64c3328fcb6bd7aa81107f7da48b9f8eff0fe0827d270
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 9571a50f1ffc2fbe6ecbc1a143f844d2b1d55e2f5ea6f2927d604c0973aa87f3
[INFO] running `Command { std: "docker" "start" "-a" "9571a50f1ffc2fbe6ecbc1a143f844d2b1d55e2f5ea6f2927d604c0973aa87f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling fscx-rs v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/dir.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/dir.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> examples/copy_dir.rs:8:14
[INFO] [stdout]   |
[INFO] [stdout] 8 |         vec!["./examples", "target", ".git", "examples/test.txt"],
[INFO] [stdout]   |              ^^^^^^^^^^^^- help: try using a conversion method: `.to_string()`
[INFO] [stdout]   |              |
[INFO] [stdout]   |              expected `String`, found `&str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> examples/copy_dir.rs:15:14
[INFO] [stdout]    |
[INFO] [stdout] 15 |         vec!["target"],
[INFO] [stdout]    |              ^^^^^^^^- help: try using a conversion method: `.to_string()`
[INFO] [stdout]    |              |
[INFO] [stdout]    |              expected `String`, found `&str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fscx-rs` (example "copy_dir") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9571a50f1ffc2fbe6ecbc1a143f844d2b1d55e2f5ea6f2927d604c0973aa87f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9571a50f1ffc2fbe6ecbc1a143f844d2b1d55e2f5ea6f2927d604c0973aa87f3", kill_on_drop: false }`
[INFO] [stdout] 9571a50f1ffc2fbe6ecbc1a143f844d2b1d55e2f5ea6f2927d604c0973aa87f3