[INFO] fetching crate pwbox 0.1.0...
[INFO] extracting crate pwbox 0.1.0 into work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/pwbox/0.1.0
[INFO] extracting crate pwbox 0.1.0 into work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/reg/pwbox/0.1.0
[INFO] validating manifest of pwbox-0.1.0 on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of pwbox-0.1.0 on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing pwbox-0.1.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished frobbing pwbox-0.1.0
[INFO] frobbed toml for pwbox-0.1.0 written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/pwbox/0.1.0/Cargo.toml
[INFO] started frobbing pwbox-0.1.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished frobbing pwbox-0.1.0
[INFO] frobbed toml for pwbox-0.1.0 written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/reg/pwbox/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hex-buffer-serde v0.1.1
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking pwbox-0.1.0 against try#290ac7b29f41ff9fa5232f9a1116ea71a3501063 for pr-58899
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-2/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/reg/pwbox/0.1.0:/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=forbid" "-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" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5f76cb6ad6b7e87b03d0ecc803670e3748ec1d515bd6c589e24fbff53e66ad47
[INFO] running `"docker" "start" "-a" "5f76cb6ad6b7e87b03d0ecc803670e3748ec1d515bd6c589e24fbff53e66ad47"`
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]     Checking toml v0.4.9
[INFO] [stderr]     Checking rand_pcg v0.1.2
[INFO] [stderr]     Checking serde_cbor v0.9.0
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.2.1
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand v0.6.1
[INFO] [stderr]     Checking backtrace v0.3.14
[INFO] [stderr]    Compiling flate2 v1.0.6
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr] error[E0277]: the trait bound `rand_pcg::Mcg128Xsl64: rand_core::SeedableRng` is not satisfied
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand-0.6.1/src/rngs/small.rs:95:6
[INFO] [stderr]    |
[INFO] [stderr] 95 | impl SeedableRng for SmallRng {
[INFO] [stderr]    |      ^^^^^^^^^^^ the trait `rand_core::SeedableRng` is not implemented for `rand_pcg::Mcg128Xsl64`
[INFO] [stderr] 
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr] error[E0277]: the trait bound `rand_pcg::Mcg128Xsl64: rand_core::SeedableRng` is not satisfied
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand-0.6.1/src/rngs/small.rs:96:5
[INFO] [stderr]    |
[INFO] [stderr] 96 |     type Seed = <Rng as SeedableRng>::Seed;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `rand_core::SeedableRng` is not implemented for `rand_pcg::Mcg128Xsl64`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `rand_pcg::Mcg128Xsl64: rand_core::SeedableRng` is not satisfied
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand-0.6.1/src/rngs/small.rs:98:5
[INFO] [stderr]     |
[INFO] [stderr] 98  | /     fn from_seed(seed: Self::Seed) -> Self {
[INFO] [stderr] 99  | |         SmallRng(Rng::from_seed(seed))
[INFO] [stderr] 100 | |     }
[INFO] [stderr]     | |_____^ the trait `rand_core::SeedableRng` is not implemented for `rand_pcg::Mcg128Xsl64`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: Could not compile `rand`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "5f76cb6ad6b7e87b03d0ecc803670e3748ec1d515bd6c589e24fbff53e66ad47"`
[INFO] running `"docker" "rm" "-f" "5f76cb6ad6b7e87b03d0ecc803670e3748ec1d515bd6c589e24fbff53e66ad47"`
[INFO] [stdout] 5f76cb6ad6b7e87b03d0ecc803670e3748ec1d515bd6c589e24fbff53e66ad47