[INFO] cloning repository https://github.com/cramshaw/rust-walkdir
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cramshaw/rust-walkdir" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcramshaw%2Frust-walkdir", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcramshaw%2Frust-walkdir'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ee35be8831909439f8f054a13276f2a368ef5fb7
[INFO] testing cramshaw/rust-walkdir against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcramshaw%2Frust-walkdir" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cramshaw/rust-walkdir on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cramshaw/rust-walkdir
[INFO] finished tweaking git repo https://github.com/cramshaw/rust-walkdir
[INFO] tweaked toml for git repo https://github.com/cramshaw/rust-walkdir written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/cramshaw/rust-walkdir already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ec6680b499890a6f12aa468f9ccd4a2f46db5e3ca7d7f9685f07a49a778fe1e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1ec6680b499890a6f12aa468f9ccd4a2f46db5e3ca7d7f9685f07a49a778fe1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ec6680b499890a6f12aa468f9ccd4a2f46db5e3ca7d7f9685f07a49a778fe1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ec6680b499890a6f12aa468f9ccd4a2f46db5e3ca7d7f9685f07a49a778fe1e", kill_on_drop: false }`
[INFO] [stdout] 1ec6680b499890a6f12aa468f9ccd4a2f46db5e3ca7d7f9685f07a49a778fe1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0df84f3725734c7ed4949ee4c58aa58462e63a17018d6aee1a9ece5b954e16de
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0df84f3725734c7ed4949ee4c58aa58462e63a17018d6aee1a9ece5b954e16de", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.59
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling bumpalo v3.2.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.59
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.59
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.59
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.59
[INFO] [stderr]    Compiling serde_json v1.0.48
[INFO] [stderr]    Compiling console_error_panic_hook v0.1.6
[INFO] [stderr]    Compiling readfiles v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unexpected closing delimiter: `}`
[INFO] [stdout]    --> src/lib.rs:133:1
[INFO] [stdout]     |
[INFO] [stdout] 77  |     for entry in walker.into_iter().filter_entry(|e| is_valid(e))) {
[INFO] [stdout]     |                                                                    - this opening brace...
[INFO] [stdout] ...
[INFO] [stdout] 132 |     }
[INFO] [stdout]     |     - ...matches this closing brace
[INFO] [stdout] 133 | }
[INFO] [stdout]     | ^ unexpected closing delimiter
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: mismatched closing delimiter: `)`
[INFO] [stdout]   --> src/lib.rs:77:66
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn search() -> Vec<File> {
[INFO] [stdout]    |                              - unclosed delimiter
[INFO] [stdout] ...
[INFO] [stdout] 77 |     for entry in walker.into_iter().filter_entry(|e| is_valid(e))) {
[INFO] [stdout]    |                                                                  ^ mismatched closing delimiter
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `readfiles`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "0df84f3725734c7ed4949ee4c58aa58462e63a17018d6aee1a9ece5b954e16de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0df84f3725734c7ed4949ee4c58aa58462e63a17018d6aee1a9ece5b954e16de", kill_on_drop: false }`
[INFO] [stdout] 0df84f3725734c7ed4949ee4c58aa58462e63a17018d6aee1a9ece5b954e16de