[INFO] cloning repository https://github.com/quchen/rustfuck [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/quchen/rustfuck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquchen%2Frustfuck", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquchen%2Frustfuck'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6f4aecf3e05661f20a3a03eed681025e72c9107b [INFO] building quchen/rustfuck against try#9b5e8b16bd1c4acf4cf8e6880368314cf021a987+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquchen%2Frustfuck" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/quchen/rustfuck on toolchain 9b5e8b16bd1c4acf4cf8e6880368314cf021a987 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/quchen/rustfuck [INFO] finished tweaking git repo https://github.com/quchen/rustfuck [INFO] tweaked toml for git repo https://github.com/quchen/rustfuck written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/quchen/rustfuck 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" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ef9bce5e9be727e17aa992a981e3b5ea108b781918fbbd5c7bd5adc603a77fb1 [INFO] running `Command { std: "docker" "start" "-a" "ef9bce5e9be727e17aa992a981e3b5ea108b781918fbbd5c7bd5adc603a77fb1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ef9bce5e9be727e17aa992a981e3b5ea108b781918fbbd5c7bd5adc603a77fb1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef9bce5e9be727e17aa992a981e3b5ea108b781918fbbd5c7bd5adc603a77fb1", kill_on_drop: false }` [INFO] [stdout] ef9bce5e9be727e17aa992a981e3b5ea108b781918fbbd5c7bd5adc603a77fb1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d2c7a4e458be30f3bc42ca38b84bf44b82c58abfa5ab1dae71c6f56e940b596f [INFO] running `Command { std: "docker" "start" "-a" "d2c7a4e458be30f3bc42ca38b84bf44b82c58abfa5ab1dae71c6f56e940b596f", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling rustfuck v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/brainfuck/tape.rs:9:32 [INFO] [stdout] | [INFO] [stdout] 9 | fn modify(&mut self, f: FnMut(T)) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [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] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 9 | fn modify(&mut self, f: dyn FnMut(T)) { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the size for values of type `(dyn FnMut(T) + 'static)` cannot be known at compilation time [INFO] [stdout] --> src/brainfuck/tape.rs:9:32 [INFO] [stdout] | [INFO] [stdout] 9 | fn modify(&mut self, f: FnMut(T)) { [INFO] [stdout] | ^^^^^^^^ doesn't have a size known at compile-time [INFO] [stdout] | [INFO] [stdout] = help: the trait `Sized` is not implemented for `(dyn FnMut(T) + 'static)` [INFO] [stdout] = help: unsized fn params are gated as an unstable feature [INFO] [stdout] help: you can use `impl Trait` as the argument type [INFO] [stdout] | [INFO] [stdout] 9 | fn modify(&mut self, f: impl FnMut(T)) { [INFO] [stdout] | ++++ [INFO] [stdout] help: function arguments must have a statically known size, borrowed types always have a known size [INFO] [stdout] | [INFO] [stdout] 9 | fn modify(&mut self, f: &dyn FnMut(T)) { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/brainfuck/tape.rs:10:11 [INFO] [stdout] | [INFO] [stdout] 1 | pub trait Tape { [INFO] [stdout] | - expected this type parameter [INFO] [stdout] ... [INFO] [stdout] 10 | f(self.get_focus_ref()) [INFO] [stdout] | - ^^^^^^^^^^^^^^^^^^^^ expected type parameter `T`, found `&mut T` [INFO] [stdout] | | [INFO] [stdout] | arguments to this function are incorrect [INFO] [stdout] | [INFO] [stdout] = note: expected type parameter `_` [INFO] [stdout] found mutable reference `&mut _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/brainfuck/tape.rs:34:32 [INFO] [stdout] | [INFO] [stdout] 34 | } else if self.focus > self.tape.len() { [INFO] [stdout] | ---------- ^^^^^^^^^^^^^^^ expected `i64`, found `usize` [INFO] [stdout] | | [INFO] [stdout] | expected because this is `i64` [INFO] [stdout] | [INFO] [stdout] help: you can convert a `usize` to an `i64` and panic if the converted value doesn't fit [INFO] [stdout] | [INFO] [stdout] 34 | } else if self.focus > self.tape.len().try_into().unwrap() { [INFO] [stdout] | ++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/brainfuck/tape.rs:36:29 [INFO] [stdout] | [INFO] [stdout] 36 | while new_len < self.focus { [INFO] [stdout] | ------- ^^^^^^^^^^ expected `usize`, found `i64` [INFO] [stdout] | | [INFO] [stdout] | expected because this is `usize` [INFO] [stdout] | [INFO] [stdout] help: you can convert an `i64` to a `usize` and panic if the converted value doesn't fit [INFO] [stdout] | [INFO] [stdout] 36 | while new_len < self.focus.try_into().unwrap() { [INFO] [stdout] | ++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: the method `resize` exists for struct `Vec`, but its trait bounds were not satisfied [INFO] [stdout] --> src/brainfuck/tape.rs:39:23 [INFO] [stdout] | [INFO] [stdout] 39 | self.tape.resize(new_len); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the following trait bounds were not satisfied: [INFO] [stdout] `T: Clone` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `index_mut` found for struct `Vec` in the current scope [INFO] [stdout] --> src/brainfuck/tape.rs:44:19 [INFO] [stdout] | [INFO] [stdout] 44 | self.tape.index_mut(self.focus) [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] --> /rustc/9b5e8b16bd1c4acf4cf8e6880368314cf021a987/library/core/src/ops/index.rs:175:8 [INFO] [stdout] | [INFO] [stdout] = note: the method is available for `Vec` here [INFO] [stdout] | [INFO] [stdout] = help: items from traits can only be used if the trait is in scope [INFO] [stdout] help: trait `IndexMut` which provides `index_mut` is implemented but not in scope; perhaps you want to import it [INFO] [stdout] | [INFO] [stdout] 1 + use std::ops::IndexMut; [INFO] [stdout] | [INFO] [stdout] help: there is a method `index` with a similar name [INFO] [stdout] | [INFO] [stdout] 44 | self.tape.index(self.focus) [INFO] [stdout] | ~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0308, E0599. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rustfuck` (bin "rustfuck") due to 6 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "d2c7a4e458be30f3bc42ca38b84bf44b82c58abfa5ab1dae71c6f56e940b596f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d2c7a4e458be30f3bc42ca38b84bf44b82c58abfa5ab1dae71c6f56e940b596f", kill_on_drop: false }` [INFO] [stdout] d2c7a4e458be30f3bc42ca38b84bf44b82c58abfa5ab1dae71c6f56e940b596f