[INFO] cloning repository https://github.com/iapicca/udemy_rust_course
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iapicca/udemy_rust_course" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiapicca%2Fudemy_rust_course"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiapicca%2Fudemy_rust_course'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 679d6328cc22ad4a1740cf795ce463d01aedee3e
[INFO] checking iapicca/udemy_rust_course against try#f88e9a4452e792c29632101b348a1df9876d45cd for pr-70087
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiapicca%2Fudemy_rust_course" "/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/iapicca/udemy_rust_course on toolchain f88e9a4452e792c29632101b348a1df9876d45cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f88e9a4452e792c29632101b348a1df9876d45cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/iapicca/udemy_rust_course
[INFO] finished tweaking git repo https://github.com/iapicca/udemy_rust_course
[INFO] tweaked toml for git repo https://github.com/iapicca/udemy_rust_course written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/iapicca/udemy_rust_course already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f88e9a4452e792c29632101b348a1df9876d45cd" "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=forbid" "-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" "+f88e9a4452e792c29632101b348a1df9876d45cd" "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] 2c76a8885aa6c5c24f90d6a696497e04d25de0f6975a5268c95488a97cccd380
[INFO] running `"docker" "start" "-a" "2c76a8885aa6c5c24f90d6a696497e04d25de0f6975a5268c95488a97cccd380"`
[INFO] [stderr]     Checking udemy_rust_course v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0407]: method `negat` is not a member of trait `Neg`
[INFO] [stderr]   --> src/overloadings.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 | /     fn negat(self) -> Self::Output {
[INFO] [stderr] 36 | |
[INFO] [stderr] 37 | |     }
[INFO] [stderr]    | |_____^ not a member of trait `Neg`
[INFO] [stderr] 
[INFO] [stderr] error[E0046]: not all trait items implemented, missing: `neg`
[INFO] [stderr]   --> src/overloadings.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | impl<T: Neg<Output = T>> Neg for Complex<T> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `neg` in implementation
[INFO] [stderr]    |
[INFO] [stderr]    = help: implement the missing item: `fn neg(self) -> <Self as std::ops::Neg>::Output { todo!() }`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/overloadings.rs:35:23
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn negat(self) -> Self::Output {
[INFO] [stderr]    |        -----          ^^^^^^^^^^^^ expected struct `overloadings::Complex`, found `()`
[INFO] [stderr]    |        |
[INFO] [stderr]    |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected struct `overloadings::Complex<T>`
[INFO] [stderr]            found unit type `()`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0046, E0308, E0407.
[INFO] [stderr] For more information about an error, try `rustc --explain E0046`.
[INFO] [stderr] error: could not compile `udemy_rust_course`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0407]: method `negat` is not a member of trait `Neg`
[INFO] [stderr]   --> src/overloadings.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 | /     fn negat(self) -> Self::Output {
[INFO] [stderr] 36 | |
[INFO] [stderr] 37 | |     }
[INFO] [stderr]    | |_____^ not a member of trait `Neg`
[INFO] [stderr] 
[INFO] [stderr] error[E0046]: not all trait items implemented, missing: `neg`
[INFO] [stderr]   --> src/overloadings.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | impl<T: Neg<Output = T>> Neg for Complex<T> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `neg` in implementation
[INFO] [stderr]    |
[INFO] [stderr]    = help: implement the missing item: `fn neg(self) -> <Self as std::ops::Neg>::Output { todo!() }`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/overloadings.rs:35:23
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn negat(self) -> Self::Output {
[INFO] [stderr]    |        -----          ^^^^^^^^^^^^ expected struct `overloadings::Complex`, found `()`
[INFO] [stderr]    |        |
[INFO] [stderr]    |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected struct `overloadings::Complex<T>`
[INFO] [stderr]            found unit type `()`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0046, E0308, E0407.
[INFO] [stderr] For more information about an error, try `rustc --explain E0046`.
[INFO] [stderr] error: could not compile `udemy_rust_course`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "2c76a8885aa6c5c24f90d6a696497e04d25de0f6975a5268c95488a97cccd380"`
[INFO] running `"docker" "rm" "-f" "2c76a8885aa6c5c24f90d6a696497e04d25de0f6975a5268c95488a97cccd380"`
[INFO] [stdout] 2c76a8885aa6c5c24f90d6a696497e04d25de0f6975a5268c95488a97cccd380