[INFO] cloning repository https://github.com/Falvyu/rust-calc
[INFO] running `"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"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFalvyu%2Frust-calc'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b7a3238dddb908d8582ac71d5d21999255a49394
[INFO] checking Falvyu/rust-calc against beta-2019-10-27 for pr-65897
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFalvyu%2Frust-calc" "/workspace/builds/worker-1/source"`
[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 beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[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 `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-10-27" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 812e05b732e99ca046d445a5e3a1cc959bf8b1790f304f4796ecc3c651f18bb4
[INFO] running `"docker" "start" "-a" "812e05b732e99ca046d445a5e3a1cc959bf8b1790f304f4796ecc3c651f18bb4"`
[INFO] [stderr]     Checking calc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/ast.rs:163:33
[INFO] [stderr]     |
[INFO] [stderr] 163 |                 left: Rc::clone(&n1),
[INFO] [stderr]     |                                 ^^^ expected trait ast::ast::Operation, found struct `ast::ast::Number`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `&std::rc::Rc<dyn ast::ast::Operation>`
[INFO] [stderr]                found type `&std::rc::Rc<ast::ast::Number>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/ast.rs:164:34
[INFO] [stderr]     |
[INFO] [stderr] 164 |                 right: Rc::clone(&n2)
[INFO] [stderr]     |                                  ^^^ expected trait ast::ast::Operation, found struct `ast::ast::Number`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `&std::rc::Rc<dyn ast::ast::Operation>`
[INFO] [stderr]                found type `&std::rc::Rc<ast::ast::Number>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/ast.rs:169:33
[INFO] [stderr]     |
[INFO] [stderr] 169 |                 left: Rc::clone(&a1),
[INFO] [stderr]     |                                 ^^^ expected trait ast::ast::Operation, found struct `ast::ast::Add`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `&std::rc::Rc<dyn ast::ast::Operation>`
[INFO] [stderr]                found type `&std::rc::Rc<ast::ast::Add>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/ast.rs:170:34
[INFO] [stderr]     |
[INFO] [stderr] 170 |                 right: Rc::clone(&n3)
[INFO] [stderr]     |                                  ^^^ expected trait ast::ast::Operation, found struct `ast::ast::Number`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `&std::rc::Rc<dyn ast::ast::Operation>`
[INFO] [stderr]                found type `&std::rc::Rc<ast::ast::Number>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `calc`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "812e05b732e99ca046d445a5e3a1cc959bf8b1790f304f4796ecc3c651f18bb4"`
[INFO] running `"docker" "rm" "-f" "812e05b732e99ca046d445a5e3a1cc959bf8b1790f304f4796ecc3c651f18bb4"`
[INFO] [stdout] 812e05b732e99ca046d445a5e3a1cc959bf8b1790f304f4796ecc3c651f18bb4