[INFO] cloning repository https://github.com/Dizans/rust_book
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Dizans/rust_book" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDizans%2Frust_book"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDizans%2Frust_book'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c6a028c8bd55bffe94e7acc67b5d6633545d51c3
[INFO] testing Dizans/rust_book against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDizans%2Frust_book" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Dizans/rust_book on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Dizans/rust_book
[INFO] finished tweaking git repo https://github.com/Dizans/rust_book
[INFO] tweaked toml for git repo https://github.com/Dizans/rust_book written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Dizans/rust_book already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 63287b341e74bc6ee065193f96e99fce51c93abfca1bccc1eae70287e5323804
[INFO] running `"docker" "start" "-a" "63287b341e74bc6ee065193f96e99fce51c93abfca1bccc1eae70287e5323804"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling thebook v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0422]: cannot find struct, variant or union type `Tweet` in this scope
[INFO] [stderr]    --> src/main.rs:702:5
[INFO] [stderr]     |
[INFO] [stderr] 702 |     Tweet {
[INFO] [stderr]     |     ^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/main.rs:628:16
[INFO] [stderr]     |
[INFO] [stderr] 624 | impl<T,U> TUPoint<T,U>{
[INFO] [stderr]     |      - expected type parameter
[INFO] [stderr] 625 |     fn mixup<V,W>(self, other: TUPoint<V,W>) -> TUPoint<T,W>{
[INFO] [stderr]     |                - found type parameter
[INFO] [stderr] ...
[INFO] [stderr] 628 |             y: other.y,
[INFO] [stderr]     |                ^^^^^^^ expected type parameter `T`, found type parameter `W`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type parameter `T`
[INFO] [stderr]                found type parameter `W`
[INFO] [stderr]     = note: a type parameter was expected, but a different one was found; you might be missing a type parameter or trait bound
[INFO] [stderr]     = note: for more information, visit https://doc.rust-lang.org/book/ch10-02-traits.html#traits-as-parameters
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/main.rs:626:9
[INFO] [stderr]     |
[INFO] [stderr] 625 |       fn mixup<V,W>(self, other: TUPoint<V,W>) -> TUPoint<T,W>{
[INFO] [stderr]     |                                                   ------------ expected `TUPoint<T, W>` because of return type
[INFO] [stderr] 626 | /         Point{
[INFO] [stderr] 627 | |             x: self.x,
[INFO] [stderr] 628 | |             y: other.y,
[INFO] [stderr] 629 | |         }
[INFO] [stderr]     | |_________^ expected struct `TUPoint`, found struct `Point`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected struct `TUPoint<T, W>`
[INFO] [stderr]                found struct `Point<T>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0308, E0422.
[INFO] [stderr] For more information about an error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `thebook`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "63287b341e74bc6ee065193f96e99fce51c93abfca1bccc1eae70287e5323804"`
[INFO] running `"docker" "rm" "-f" "63287b341e74bc6ee065193f96e99fce51c93abfca1bccc1eae70287e5323804"`
[INFO] [stdout] 63287b341e74bc6ee065193f96e99fce51c93abfca1bccc1eae70287e5323804