[INFO] updating cached repository acmcarther/funandgames
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/acmcarther/funandgames
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/acmcarther/funandgames" "work/ex/beta-1.38-1/sources/1.37.0/gh/acmcarther/funandgames"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/acmcarther/funandgames'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/acmcarther/funandgames" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/acmcarther/funandgames"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/acmcarther/funandgames'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c5769b3bff4e77da202374e5c2b2fca399f9d963
[INFO] sha for GitHub repo acmcarther/funandgames: c5769b3bff4e77da202374e5c2b2fca399f9d963
[INFO] validating manifest of acmcarther/funandgames on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of acmcarther/funandgames on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing acmcarther/funandgames
[INFO] finished frobbing acmcarther/funandgames
[INFO] frobbed toml for acmcarther/funandgames written to work/ex/beta-1.38-1/sources/1.37.0/gh/acmcarther/funandgames/Cargo.toml
[INFO] started frobbing acmcarther/funandgames
[INFO] finished frobbing acmcarther/funandgames
[INFO] frobbed toml for acmcarther/funandgames written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/acmcarther/funandgames/Cargo.toml
[INFO] crate acmcarther/funandgames already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/acmcarther/funandgames/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/acmcarther/rust_game_udp`
[INFO] [stderr]     Updating git repository `https://github.com/acmcarther/rust_tap`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/acmcarther/rust_game_udp`
[INFO] [stderr]     Updating git repository `https://github.com/acmcarther/rust_tap`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing acmcarther/funandgames against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/acmcarther/funandgames:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] eb131f00f47914a31c93c7f77222bef83896317e275d872f76d2ef1228b5757c
[INFO] running `"docker" "start" "-a" "eb131f00f47914a31c93c7f77222bef83896317e275d872f76d2ef1228b5757c"`
[INFO] [stderr]    Compiling tap v0.1.0 (https://github.com/acmcarther/rust_tap#3277e521)
[INFO] [stderr] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stderr]  --> /opt/crater/cargo-home/git/checkouts/rust_tap-c21a50cba3f5ada6/3277e52/src/lib.rs:6:3
[INFO] [stderr]   |
[INFO] [stderr] 6 |   fn tap<U, F: Fn(&T) -> U>(self, F) -> Tap<Self, F>;
[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] note: required by `Tap`
[INFO] [stderr]  --> /opt/crater/cargo-home/git/checkouts/rust_tap-c21a50cba3f5ada6/3277e52/src/lib.rs:36:1
[INFO] [stderr]   |
[INFO] [stderr] 36| pub struct Tap<I, F> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[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 `tap`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "eb131f00f47914a31c93c7f77222bef83896317e275d872f76d2ef1228b5757c"`
[INFO] running `"docker" "rm" "-f" "eb131f00f47914a31c93c7f77222bef83896317e275d872f76d2ef1228b5757c"`
[INFO] [stdout] eb131f00f47914a31c93c7f77222bef83896317e275d872f76d2ef1228b5757c