[INFO] fetching crate seven 0.1.0...
[INFO] checking seven-0.1.0 against beta-2019-10-27 for pr-65897
[INFO] extracting crate seven 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate seven 0.1.0 on toolchain beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate seven 0.1.0
[INFO] finished tweaking crates.io crate seven 0.1.0
[INFO] tweaked toml for crates.io crate seven 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-10-27" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d56bf9b88d56bab41af263963ab9b5a71b3ca9cd8297744b1da88ebb7bd98bf9
[INFO] running `"docker" "start" "-a" "d56bf9b88d56bab41af263963ab9b5a71b3ca9cd8297744b1da88ebb7bd98bf9"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking seven v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0061]: this function takes 2 parameters but 1 parameter was supplied
[INFO] [stderr]   --> src/lib.rs:64:22
[INFO] [stderr]    |
[INFO] [stderr] 18 |   pub fn seven(middleware: Vec<MiddlewareFunction>, destination: &str) -> Vec<SimpleFile> {
[INFO] [stderr]    |   --------------------------------------------------------------------------------------- defined here
[INFO] [stderr] ...
[INFO] [stderr] 64 |           let result = seven(vec![
[INFO] [stderr]    |  ______________________^
[INFO] [stderr] 65 | |             Box::new(|files: &mut Vec<SimpleFile>| {
[INFO] [stderr] 66 | |                 let file: &mut SimpleFile = &mut files[0];
[INFO] [stderr] 67 | |                 file.content = "test hello".to_string();
[INFO] [stderr] ...  |
[INFO] [stderr] 72 | |             }),
[INFO] [stderr] 73 | |         ]);
[INFO] [stderr]    | |__________^ expected 2 parameters
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/lib.rs:69:22
[INFO] [stderr]    |
[INFO] [stderr] 69 |               Box::new(|files: &mut Vec<SimpleFile>| {
[INFO] [stderr]    |  ______________________^
[INFO] [stderr] 70 | |                 let file: &mut SimpleFile = &mut files[0];
[INFO] [stderr] 71 | |                 file.content = "override".to_string();
[INFO] [stderr] 72 | |             }),
[INFO] [stderr]    | |_____________^ expected closure, found a different closure
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `[closure@src/lib.rs:65:22: 68:14]`
[INFO] [stderr]               found type `[closure@src/lib.rs:69:22: 72:14]`
[INFO] [stderr]    = note: no two closures, even if identical, have the same type
[INFO] [stderr]    = help: consider boxing your closure and/or using it as a trait object
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0061, E0308.
[INFO] [stderr] For more information about an error, try `rustc --explain E0061`.
[INFO] [stderr] error: could not compile `seven`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "d56bf9b88d56bab41af263963ab9b5a71b3ca9cd8297744b1da88ebb7bd98bf9"`
[INFO] running `"docker" "rm" "-f" "d56bf9b88d56bab41af263963ab9b5a71b3ca9cd8297744b1da88ebb7bd98bf9"`
[INFO] [stdout] d56bf9b88d56bab41af263963ab9b5a71b3ca9cd8297744b1da88ebb7bd98bf9