[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] building Falvyu/rust-calc against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFalvyu%2Frust-calc" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Falvyu/rust-calc on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "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-1/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" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ebf0c37c9c8f7b5163013beb3f205a5c68e272bd9a3e4428efd9335f87caa1d
[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" "2ebf0c37c9c8f7b5163013beb3f205a5c68e272bd9a3e4428efd9335f87caa1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ebf0c37c9c8f7b5163013beb3f205a5c68e272bd9a3e4428efd9335f87caa1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ebf0c37c9c8f7b5163013beb3f205a5c68e272bd9a3e4428efd9335f87caa1d", kill_on_drop: false }`
[INFO] [stdout] 2ebf0c37c9c8f7b5163013beb3f205a5c68e272bd9a3e4428efd9335f87caa1d
[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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", 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] f0aac34cef5e5ea1381ee0aaf633d33de4f398d5703a9ed317094eb9146485ed
[INFO] running `Command { std: "docker" "start" "-a" "f0aac34cef5e5ea1381ee0aaf633d33de4f398d5703a9ed317094eb9146485ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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<Rc<dyn Operation>>) {
[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<dyn Operation>) -> Result<i32, CalcError> {
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "f0aac34cef5e5ea1381ee0aaf633d33de4f398d5703a9ed317094eb9146485ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0aac34cef5e5ea1381ee0aaf633d33de4f398d5703a9ed317094eb9146485ed", kill_on_drop: false }`
[INFO] [stdout] f0aac34cef5e5ea1381ee0aaf633d33de4f398d5703a9ed317094eb9146485ed
[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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da7ecaaf2bea2d855dcfb4844c1dbb1877604e78edc27c8099725f2ee2e375ed
[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" "da7ecaaf2bea2d855dcfb4844c1dbb1877604e78edc27c8099725f2ee2e375ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling calc v0.1.0 (/opt/rustwide/workdir)
[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<dyn ast::ast::Operation>`
[INFO] [stdout]                found reference `&std::rc::Rc<ast::ast::Number>`
[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<dyn ast::ast::Operation>`
[INFO] [stdout]                found reference `&std::rc::Rc<ast::ast::Number>`
[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<dyn ast::ast::Operation>`
[INFO] [stdout]                found reference `&std::rc::Rc<ast::ast::Add>`
[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<dyn ast::ast::Operation>`
[INFO] [stdout]                found reference `&std::rc::Rc<ast::ast::Number>`
[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" "da7ecaaf2bea2d855dcfb4844c1dbb1877604e78edc27c8099725f2ee2e375ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da7ecaaf2bea2d855dcfb4844c1dbb1877604e78edc27c8099725f2ee2e375ed", kill_on_drop: false }`
[INFO] [stdout] da7ecaaf2bea2d855dcfb4844c1dbb1877604e78edc27c8099725f2ee2e375ed
