[INFO] fetching crate cortex 0.1.5...
[INFO] checking cortex-0.1.5 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate cortex 0.1.5 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cortex 0.1.5 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate cortex 0.1.5
[INFO] finished tweaking crates.io crate cortex 0.1.5
[INFO] tweaked toml for crates.io crate cortex 0.1.5 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ddb4038eefd0d384bcc200c962cb0fac13b64dc35b3e06eef919cd8bbcb3d7b9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "ddb4038eefd0d384bcc200c962cb0fac13b64dc35b3e06eef919cd8bbcb3d7b9"`
[INFO] [stderr]     Checking cortex v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stderr]   --> src/cortex/mod.rs:24:2
[INFO] [stderr]    |
[INFO] [stderr] 4  | pub struct Cortex<T: Debug, X: Observer<T>> {
[INFO] [stderr]    | ------------------------------------------- required by `cortex::Cortex`
[INFO] [stderr] ...
[INFO] [stderr] 24 |     fn register(&mut self, cortex: Box<Cortex<T, Self>>) { }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::marker::Sized` is not implemented for `Self`
[INFO] [stderr]    = note: to learn more, visit <https://doc.rust-lang.org/book/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>
[INFO] [stderr]    = help: consider adding a `where Self: std::marker::Sized` bound
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `cortex`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stderr]   --> src/cortex/mod.rs:24:2
[INFO] [stderr]    |
[INFO] [stderr] 4  | pub struct Cortex<T: Debug, X: Observer<T>> {
[INFO] [stderr]    | ------------------------------------------- required by `cortex::Cortex`
[INFO] [stderr] ...
[INFO] [stderr] 24 |     fn register(&mut self, cortex: Box<Cortex<T, Self>>) { }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::marker::Sized` is not implemented for `Self`
[INFO] [stderr]    = note: to learn more, visit <https://doc.rust-lang.org/book/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>
[INFO] [stderr]    = help: consider adding a `where Self: std::marker::Sized` bound
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `cortex`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "ddb4038eefd0d384bcc200c962cb0fac13b64dc35b3e06eef919cd8bbcb3d7b9"`
[INFO] running `"docker" "rm" "-f" "ddb4038eefd0d384bcc200c962cb0fac13b64dc35b3e06eef919cd8bbcb3d7b9"`
[INFO] [stdout] ddb4038eefd0d384bcc200c962cb0fac13b64dc35b3e06eef919cd8bbcb3d7b9