[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#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [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 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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] 6190d428c07738ea4624f69bf1229e0507ac074f89a66de015419a66d5ac13ac [INFO] running `Command { std: "docker" "start" "-a" "6190d428c07738ea4624f69bf1229e0507ac074f89a66de015419a66d5ac13ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6190d428c07738ea4624f69bf1229e0507ac074f89a66de015419a66d5ac13ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6190d428c07738ea4624f69bf1229e0507ac074f89a66de015419a66d5ac13ac", kill_on_drop: false }` [INFO] [stdout] 6190d428c07738ea4624f69bf1229e0507ac074f89a66de015419a66d5ac13ac [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9cdd0ff7fdcbbd6618abe365b1c82de24de6cd7d3f5d2a89bc34aad31948cb68 [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" "9cdd0ff7fdcbbd6618abe365b1c82de24de6cd7d3f5d2a89bc34aad31948cb68", 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` due to 5 previous errors [INFO] running `Command { std: "docker" "inspect" "9cdd0ff7fdcbbd6618abe365b1c82de24de6cd7d3f5d2a89bc34aad31948cb68", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9cdd0ff7fdcbbd6618abe365b1c82de24de6cd7d3f5d2a89bc34aad31948cb68", kill_on_drop: false }` [INFO] [stdout] 9cdd0ff7fdcbbd6618abe365b1c82de24de6cd7d3f5d2a89bc34aad31948cb68