[INFO] fetching crate seven 0.1.0... [INFO] testing seven-0.1.0 against beta-2021-09-08 for beta-1.56-1 [INFO] extracting crate seven 0.1.0 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate seven 0.1.0 on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-1/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d861bec9ed1cd72bf3356891ac545824edaa30d7048b7d48bffa1bededc10e44 [INFO] running `Command { std: "docker" "start" "-a" "d861bec9ed1cd72bf3356891ac545824edaa30d7048b7d48bffa1bededc10e44", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d861bec9ed1cd72bf3356891ac545824edaa30d7048b7d48bffa1bededc10e44", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d861bec9ed1cd72bf3356891ac545824edaa30d7048b7d48bffa1bededc10e44", kill_on_drop: false }` [INFO] [stdout] d861bec9ed1cd72bf3356891ac545824edaa30d7048b7d48bffa1bededc10e44 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6a98a8b11ea1f30fe602ceaa7b6fb728f8689215d924e9620f0f54296b5a7bce [INFO] running `Command { std: "docker" "start" "-a" "6a98a8b11ea1f30fe602ceaa7b6fb728f8689215d924e9620f0f54296b5a7bce", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling seven v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:16:31 [INFO] [stdout] | [INFO] [stdout] 16 | type MiddlewareFunction = Box)>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Vec)` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `destination` [INFO] [stdout] --> src/lib.rs:18:51 [INFO] [stdout] | [INFO] [stdout] 18 | pub fn seven(middleware: Vec, destination: &str) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_destination` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:41:13 [INFO] [stdout] | [INFO] [stdout] 41 | &files.push(file_struct); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 41 | let _ = &files.push(file_struct); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.31s [INFO] running `Command { std: "docker" "inspect" "6a98a8b11ea1f30fe602ceaa7b6fb728f8689215d924e9620f0f54296b5a7bce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6a98a8b11ea1f30fe602ceaa7b6fb728f8689215d924e9620f0f54296b5a7bce", kill_on_drop: false }` [INFO] [stdout] 6a98a8b11ea1f30fe602ceaa7b6fb728f8689215d924e9620f0f54296b5a7bce [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f0dca366c6a8452bcc8a39828dee886574df665403d4cd42f5debb9759f858d8 [INFO] running `Command { std: "docker" "start" "-a" "f0dca366c6a8452bcc8a39828dee886574df665403d4cd42f5debb9759f858d8", kill_on_drop: false }` [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:16:31 [INFO] [stdout] | [INFO] [stdout] 16 | type MiddlewareFunction = Box)>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Vec)` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `destination` [INFO] [stdout] --> src/lib.rs:18:51 [INFO] [stdout] | [INFO] [stdout] 18 | pub fn seven(middleware: Vec, destination: &str) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_destination` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling seven v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:41:13 [INFO] [stdout] | [INFO] [stdout] 41 | &files.push(file_struct); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 41 | let _ = &files.push(file_struct); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:16:31 [INFO] [stdout] | [INFO] [stdout] 16 | type MiddlewareFunction = Box)>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Vec)` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0061]: this function takes 2 arguments but 1 argument was supplied [INFO] [stdout] --> src/lib.rs:64:22 [INFO] [stdout] | [INFO] [stdout] 64 | let result = seven(vec![ [INFO] [stdout] | ______________________^^^^^_- [INFO] [stdout] | | | [INFO] [stdout] | | expected 2 arguments [INFO] [stdout] 65 | | Box::new(|files: &mut Vec| { [INFO] [stdout] 66 | | let file: &mut SimpleFile = &mut files[0]; [INFO] [stdout] 67 | | file.content = "test hello".to_string(); [INFO] [stdout] ... | [INFO] [stdout] 72 | | }), [INFO] [stdout] 73 | | ]); [INFO] [stdout] | |_________- supplied 1 argument [INFO] [stdout] | [INFO] [stdout] note: function defined here [INFO] [stdout] --> src/lib.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 18 | pub fn seven(middleware: Vec, destination: &str) -> Vec { [INFO] [stdout] | ^^^^^ ----------------------------------- ----------------- [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/lib.rs:69:22 [INFO] [stdout] | [INFO] [stdout] 65 | Box::new(|files: &mut Vec| { [INFO] [stdout] | ______________________- [INFO] [stdout] 66 | | let file: &mut SimpleFile = &mut files[0]; [INFO] [stdout] 67 | | file.content = "test hello".to_string(); [INFO] [stdout] 68 | | }), [INFO] [stdout] | |_____________- the expected closure [INFO] [stdout] 69 | Box::new(|files: &mut Vec| { [INFO] [stdout] | ______________________^ [INFO] [stdout] 70 | | let file: &mut SimpleFile = &mut files[0]; [INFO] [stdout] 71 | | file.content = "override".to_string(); [INFO] [stdout] 72 | | }), [INFO] [stdout] | |_____________^ expected closure, found a different closure [INFO] [stdout] | [INFO] [stdout] = note: expected closure `[closure@src/lib.rs:65:22: 68:14]` [INFO] [stdout] found closure `[closure@src/lib.rs:69:22: 72:14]` [INFO] [stdout] = note: no two closures, even if identical, have the same type [INFO] [stdout] = help: consider boxing your closure and/or using it as a trait object [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0061, E0308. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0061`. [INFO] [stdout] [INFO] [stderr] error: could not compile `seven` due to 3 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "f0dca366c6a8452bcc8a39828dee886574df665403d4cd42f5debb9759f858d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f0dca366c6a8452bcc8a39828dee886574df665403d4cd42f5debb9759f858d8", kill_on_drop: false }` [INFO] [stdout] f0dca366c6a8452bcc8a39828dee886574df665403d4cd42f5debb9759f858d8