[INFO] fetching crate fscx-rs 0.1.4...
[INFO] checking fscx-rs-0.1.4 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate fscx-rs 0.1.4 into /workspace/builds/worker-2-tc2/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-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fscx-rs 0.1.4 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e36d1df5515d2ccb7140e83d18e113c77ab535a21a9a3c5876a33d26735ec685
[INFO] running `Command { std: "docker" "start" "-a" "e36d1df5515d2ccb7140e83d18e113c77ab535a21a9a3c5876a33d26735ec685", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e36d1df5515d2ccb7140e83d18e113c77ab535a21a9a3c5876a33d26735ec685", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e36d1df5515d2ccb7140e83d18e113c77ab535a21a9a3c5876a33d26735ec685", kill_on_drop: false }`
[INFO] [stdout] e36d1df5515d2ccb7140e83d18e113c77ab535a21a9a3c5876a33d26735ec685
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2c57f171c24021bbb6cade55a8923daa8d8f2e51f9b41e121507159a33cdb8a
[INFO] running `Command { std: "docker" "start" "-a" "e2c57f171c24021bbb6cade55a8923daa8d8f2e51f9b41e121507159a33cdb8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking 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] running `Command { std: "docker" "inspect" "e2c57f171c24021bbb6cade55a8923daa8d8f2e51f9b41e121507159a33cdb8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2c57f171c24021bbb6cade55a8923daa8d8f2e51f9b41e121507159a33cdb8a", kill_on_drop: false }`
[INFO] [stdout] e2c57f171c24021bbb6cade55a8923daa8d8f2e51f9b41e121507159a33cdb8a