[INFO] updating cached repository kngwyu/simple-crate
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kngwyu/simple-crate
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kngwyu/simple-crate" "work/ex/beta-1.38-1/sources/1.37.0/gh/kngwyu/simple-crate"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/kngwyu/simple-crate'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kngwyu/simple-crate" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kngwyu/simple-crate"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kngwyu/simple-crate'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 675ada80e6fc20e7051b4f31c65ccf27125abf20
[INFO] sha for GitHub repo kngwyu/simple-crate: 675ada80e6fc20e7051b4f31c65ccf27125abf20
[INFO] validating manifest of kngwyu/simple-crate 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 kngwyu/simple-crate 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 kngwyu/simple-crate
[INFO] finished frobbing kngwyu/simple-crate
[INFO] frobbed toml for kngwyu/simple-crate written to work/ex/beta-1.38-1/sources/1.37.0/gh/kngwyu/simple-crate/Cargo.toml
[INFO] started frobbing kngwyu/simple-crate
[INFO] finished frobbing kngwyu/simple-crate
[INFO] frobbed toml for kngwyu/simple-crate written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kngwyu/simple-crate/Cargo.toml
[INFO] crate kngwyu/simple-crate 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 kngwyu/simple-crate 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/kngwyu/simple-crate:/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] 8a888c44cc84f90f7e5bd94a15fdfa738f655012799cdb30e850140021578cbe
[INFO] running `"docker" "start" "-a" "8a888c44cc84f90f7e5bd94a15fdfa738f655012799cdb30e850140021578cbe"`
[INFO] [stderr]    Compiling simple-crate v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: expected one of `!`, `.`, `::`, `;`, `?`, `{`, `}`, or an operator, found `~`
[INFO] [stderr]  --> src/main.rs:3:22
[INFO] [stderr]   |
[INFO] [stderr] 3 |     rand::AsByteSlice~;
[INFO] [stderr]   |                      ^ expected one of 8 possible tokens here
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use rand;
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `simple-crate`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "8a888c44cc84f90f7e5bd94a15fdfa738f655012799cdb30e850140021578cbe"`
[INFO] running `"docker" "rm" "-f" "8a888c44cc84f90f7e5bd94a15fdfa738f655012799cdb30e850140021578cbe"`
[INFO] [stdout] 8a888c44cc84f90f7e5bd94a15fdfa738f655012799cdb30e850140021578cbe