[INFO] updating cached repository rphmeier/skynet-jobsteal
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rphmeier/skynet-jobsteal
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rphmeier/skynet-jobsteal" "work/ex/beta-1.38-1/sources/1.37.0/gh/rphmeier/skynet-jobsteal"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/rphmeier/skynet-jobsteal'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rphmeier/skynet-jobsteal" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rphmeier/skynet-jobsteal"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rphmeier/skynet-jobsteal'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cf4100ad42c83abca105d803f8a7393fc0d3014c
[INFO] sha for GitHub repo rphmeier/skynet-jobsteal: cf4100ad42c83abca105d803f8a7393fc0d3014c
[INFO] validating manifest of rphmeier/skynet-jobsteal 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 rphmeier/skynet-jobsteal 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 rphmeier/skynet-jobsteal
[INFO] finished frobbing rphmeier/skynet-jobsteal
[INFO] frobbed toml for rphmeier/skynet-jobsteal written to work/ex/beta-1.38-1/sources/1.37.0/gh/rphmeier/skynet-jobsteal/Cargo.toml
[INFO] started frobbing rphmeier/skynet-jobsteal
[INFO] finished frobbing rphmeier/skynet-jobsteal
[INFO] frobbed toml for rphmeier/skynet-jobsteal written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rphmeier/skynet-jobsteal/Cargo.toml
[INFO] crate rphmeier/skynet-jobsteal 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/rphmeier/skynet-jobsteal/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[INFO] the lockfile is outdated, regenerating it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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 rphmeier/skynet-jobsteal 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-6/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/rphmeier/skynet-jobsteal:/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] 1915ac415f9375a2fdd4bab107dc0a2248f89b12f41ee31d709c52f20aa260b7
[INFO] running `"docker" "start" "-a" "1915ac415f9375a2fdd4bab107dc0a2248f89b12f41ee31d709c52f20aa260b7"`
[INFO] [stderr]    Compiling num_cpus v0.2.13
[INFO] [stderr]    Compiling jobsteal v0.4.3
[INFO] [stderr] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/jobsteal-0.4.3/src/iter/mod.rs:301:5
[INFO] [stderr]     |
[INFO] [stderr] 301 |     fn split(self, usize) -> (Self, 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]     = note: only the last element of a tuple may have a dynamically sized type
[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 `jobsteal`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "1915ac415f9375a2fdd4bab107dc0a2248f89b12f41ee31d709c52f20aa260b7"`
[INFO] running `"docker" "rm" "-f" "1915ac415f9375a2fdd4bab107dc0a2248f89b12f41ee31d709c52f20aa260b7"`
[INFO] [stdout] 1915ac415f9375a2fdd4bab107dc0a2248f89b12f41ee31d709c52f20aa260b7