[INFO] updating cached repository VitalyAnkh/hello
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/VitalyAnkh/hello
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/VitalyAnkh/hello" "work/ex/beta-1.38-1/sources/1.37.0/gh/VitalyAnkh/hello"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/VitalyAnkh/hello'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/VitalyAnkh/hello" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/VitalyAnkh/hello"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/VitalyAnkh/hello'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ce46fb0a918ce352b3f0bf1ed58c8e0b4ae6a4d0
[INFO] sha for GitHub repo VitalyAnkh/hello: ce46fb0a918ce352b3f0bf1ed58c8e0b4ae6a4d0
[INFO] validating manifest of VitalyAnkh/hello 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 VitalyAnkh/hello 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 VitalyAnkh/hello
[INFO] finished frobbing VitalyAnkh/hello
[INFO] frobbed toml for VitalyAnkh/hello written to work/ex/beta-1.38-1/sources/1.37.0/gh/VitalyAnkh/hello/Cargo.toml
[INFO] started frobbing VitalyAnkh/hello
[INFO] finished frobbing VitalyAnkh/hello
[INFO] frobbed toml for VitalyAnkh/hello written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/VitalyAnkh/hello/Cargo.toml
[INFO] crate VitalyAnkh/hello 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing VitalyAnkh/hello against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/VitalyAnkh/hello:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] f9a3125cb36022e09e3244670820c1b7a71676068662b6897b963912a7c1819c
[INFO] running `"docker" "start" "-a" "f9a3125cb36022e09e3244670820c1b7a71676068662b6897b963912a7c1819c"`
[INFO] [stderr]    Compiling hello v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0411]: expected trait, found self type `Self`
[INFO] [stderr]   --> src/lib.rs:13:31
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn call_box(self: Box<dyn Self>);
[INFO] [stderr]    |                               ^^^^ `Self` is only available in impls, traits, and type definitions
[INFO] [stderr] 
[INFO] [stderr] error[E0404]: expected trait, found type parameter `F`
[INFO] [stderr]   --> src/lib.rs:17:31
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn call_box(self: Box<dyn F>) {
[INFO] [stderr]    |                               ^ help: a trait with a similar name exists: `Fn`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0404, E0411.
[INFO] [stderr] For more information about an error, try `rustc --explain E0404`.
[INFO] [stderr] error: Could not compile `hello`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "f9a3125cb36022e09e3244670820c1b7a71676068662b6897b963912a7c1819c"`
[INFO] running `"docker" "rm" "-f" "f9a3125cb36022e09e3244670820c1b7a71676068662b6897b963912a7c1819c"`
[INFO] [stdout] f9a3125cb36022e09e3244670820c1b7a71676068662b6897b963912a7c1819c