[INFO] cloning repository https://github.com/Falvyu/rust-calc [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Falvyu/rust-calc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFalvyu%2Frust-calc", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFalvyu%2Frust-calc'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b7a3238dddb908d8582ac71d5d21999255a49394 [INFO] checking Falvyu/rust-calc against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFalvyu%2Frust-calc" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Falvyu/rust-calc on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Falvyu/rust-calc [INFO] finished tweaking git repo https://github.com/Falvyu/rust-calc [INFO] tweaked toml for git repo https://github.com/Falvyu/rust-calc written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/Falvyu/rust-calc already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 6f2025e0e1bf928cdb7ec7a0ab1b40fbf87dc6fed8207ac014036a511961099f [INFO] running `Command { std: "docker" "start" "-a" "6f2025e0e1bf928cdb7ec7a0ab1b40fbf87dc6fed8207ac014036a511961099f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6f2025e0e1bf928cdb7ec7a0ab1b40fbf87dc6fed8207ac014036a511961099f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6f2025e0e1bf928cdb7ec7a0ab1b40fbf87dc6fed8207ac014036a511961099f", kill_on_drop: false }` [INFO] [stdout] 6f2025e0e1bf928cdb7ec7a0ab1b40fbf87dc6fed8207ac014036a511961099f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0f9c391472a05b0cc8d190fc5604331cc8e40325b93400e969f6015875164641 [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" "0f9c391472a05b0cc8d190fc5604331cc8e40325b93400e969f6015875164641", kill_on_drop: false }` [INFO] [stderr] Checking calc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `infix` [INFO] [stdout] --> src/ast.rs:135:27 [INFO] [stdout] | [INFO] [stdout] 135 | fn push_op(&self, infix: &mut Vec>) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_infix` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `UnknownError` [INFO] [stdout] --> src/ast.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | UnknownError, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `calc` [INFO] [stdout] --> src/ast.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 13 | pub fn calc(op: Rc) -> Result { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `fibonacci` [INFO] [stdout] --> src/main.rs:41:4 [INFO] [stdout] | [INFO] [stdout] 41 | fn fibonacci(n: i32) -> i32{ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/ast.rs:163:33 [INFO] [stdout] | [INFO] [stdout] 163 | left: Rc::clone(&n1), [INFO] [stdout] | ^^^ expected trait object `dyn ast::ast::Operation`, found struct `ast::ast::Number` [INFO] [stdout] | [INFO] [stdout] = note: expected reference `&std::rc::Rc` [INFO] [stdout] found reference `&std::rc::Rc` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/ast.rs:164:34 [INFO] [stdout] | [INFO] [stdout] 164 | right: Rc::clone(&n2) [INFO] [stdout] | ^^^ expected trait object `dyn ast::ast::Operation`, found struct `ast::ast::Number` [INFO] [stdout] | [INFO] [stdout] = note: expected reference `&std::rc::Rc` [INFO] [stdout] found reference `&std::rc::Rc` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/ast.rs:169:33 [INFO] [stdout] | [INFO] [stdout] 169 | left: Rc::clone(&a1), [INFO] [stdout] | ^^^ expected trait object `dyn ast::ast::Operation`, found struct `ast::ast::Add` [INFO] [stdout] | [INFO] [stdout] = note: expected reference `&std::rc::Rc` [INFO] [stdout] found reference `&std::rc::Rc` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/ast.rs:170:34 [INFO] [stdout] | [INFO] [stdout] 170 | right: Rc::clone(&n3) [INFO] [stdout] | ^^^ expected trait object `dyn ast::ast::Operation`, found struct `ast::ast::Number` [INFO] [stdout] | [INFO] [stdout] = note: expected reference `&std::rc::Rc` [INFO] [stdout] found reference `&std::rc::Rc` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `calc` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "0f9c391472a05b0cc8d190fc5604331cc8e40325b93400e969f6015875164641", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0f9c391472a05b0cc8d190fc5604331cc8e40325b93400e969f6015875164641", kill_on_drop: false }` [INFO] [stdout] 0f9c391472a05b0cc8d190fc5604331cc8e40325b93400e969f6015875164641