[INFO] updating cached repository devilbuddy/koboldo
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/devilbuddy/koboldo
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/devilbuddy/koboldo" "work/ex/beta-1.38-1/sources/1.37.0/gh/devilbuddy/koboldo"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/devilbuddy/koboldo'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/devilbuddy/koboldo" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/devilbuddy/koboldo"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/devilbuddy/koboldo'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] def73282b810d9a048cc3152dbca78215146966f
[INFO] sha for GitHub repo devilbuddy/koboldo: def73282b810d9a048cc3152dbca78215146966f
[INFO] validating manifest of devilbuddy/koboldo 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 devilbuddy/koboldo 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 devilbuddy/koboldo
[INFO] finished frobbing devilbuddy/koboldo
[INFO] frobbed toml for devilbuddy/koboldo written to work/ex/beta-1.38-1/sources/1.37.0/gh/devilbuddy/koboldo/Cargo.toml
[INFO] started frobbing devilbuddy/koboldo
[INFO] finished frobbing devilbuddy/koboldo
[INFO] frobbed toml for devilbuddy/koboldo written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/devilbuddy/koboldo/Cargo.toml
[INFO] crate devilbuddy/koboldo 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]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/devilbuddy/koboldo/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[INFO] the lockfile is outdated, regenerating it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]     Blocking waiting for file lock on package cache
[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 devilbuddy/koboldo 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/devilbuddy/koboldo:/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] 9dd00c7b49177aa5981dd183d427ee3846169f40d97e3d964a450f577e512e87
[INFO] running `"docker" "start" "-a" "9dd00c7b49177aa5981dd183d427ee3846169f40d97e3d964a450f577e512e87"`
[INFO] [stderr]    Compiling sdl2-sys v0.7.0
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling sdl2 v0.12.1
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling nalgebra v0.4.0
[INFO] [stderr] error[E0432]: unresolved import `rand::Rand`
[INFO] [stderr]  --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.4.0/src/structs/dmat.rs:9:18
[INFO] [stderr]   |
[INFO] [stderr] 9 | use rand::{self, Rand};
[INFO] [stderr]   |                  ^^^^ no `Rand` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `rand::Rand`
[INFO] [stderr]  --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.4.0/src/structs/dvec.rs:9:18
[INFO] [stderr]   |
[INFO] [stderr] 9 | use rand::{self, Rand};
[INFO] [stderr]   |                  ^^^^ no `Rand` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `rand::Rand`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.4.0/src/structs/vec.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | use rand::{Rand, Rng};
[INFO] [stderr]    |            ^^^^ no `Rand` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `rand::Rand`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.4.0/src/structs/pnt.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | use rand::{Rand, Rng};
[INFO] [stderr]    |            ^^^^ no `Rand` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `rand::Rand`
[INFO] [stderr]  --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.4.0/src/structs/quat.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 | use rand::{Rand, Rng};
[INFO] [stderr]   |            ^^^^ no `Rand` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `rand::Rand`
[INFO] [stderr]  --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.4.0/src/structs/mat.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 | use rand::{Rand, Rng};
[INFO] [stderr]   |            ^^^^ no `Rand` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `rand::Rand`
[INFO] [stderr]  --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.4.0/src/structs/rot.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | use rand::{Rand, Rng};
[INFO] [stderr]   |            ^^^^ no `Rand` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `rand::Rand`
[INFO] [stderr]  --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.4.0/src/structs/iso.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 | use rand::{Rand, Rng};
[INFO] [stderr]   |            ^^^^ no `Rand` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `rand::Rand`
[INFO] [stderr]  --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.4.0/src/structs/spec/vec0.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | use rand::{Rand, Rng};
[INFO] [stderr]   |            ^^^^ no `Rand` in the root
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 9 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `nalgebra`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "9dd00c7b49177aa5981dd183d427ee3846169f40d97e3d964a450f577e512e87"`
[INFO] running `"docker" "rm" "-f" "9dd00c7b49177aa5981dd183d427ee3846169f40d97e3d964a450f577e512e87"`
[INFO] [stdout] 9dd00c7b49177aa5981dd183d427ee3846169f40d97e3d964a450f577e512e87