[INFO] crate next_prime 0.1.1 is already in cache
[INFO] extracting crate next_prime 0.1.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/next_prime/0.1.1
[INFO] extracting crate next_prime 0.1.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/next_prime/0.1.1
[INFO] validating manifest of next_prime-0.1.1 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 next_prime-0.1.1 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 next_prime-0.1.1
[INFO] finished frobbing next_prime-0.1.1
[INFO] frobbed toml for next_prime-0.1.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/next_prime/0.1.1/Cargo.toml
[INFO] started frobbing next_prime-0.1.1
[INFO] finished frobbing next_prime-0.1.1
[INFO] frobbed toml for next_prime-0.1.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/next_prime/0.1.1/Cargo.toml
[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] [stderr]     Blocking waiting for file lock on package cache
[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 next_prime-0.1.1 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/reg/next_prime/0.1.1:/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] 770748b30f722d988d463a660c88d3bc43c151dfa7668851b5dd64871770d93d
[INFO] running `"docker" "start" "-a" "770748b30f722d988d463a660c88d3bc43c151dfa7668851b5dd64871770d93d"`
[INFO] [stderr]    Compiling next_prime v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `"docker" "inspect" "770748b30f722d988d463a660c88d3bc43c151dfa7668851b5dd64871770d93d"`
[INFO] running `"docker" "rm" "-f" "770748b30f722d988d463a660c88d3bc43c151dfa7668851b5dd64871770d93d"`
[INFO] [stdout] 770748b30f722d988d463a660c88d3bc43c151dfa7668851b5dd64871770d93d
[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/reg/next_prime/0.1.1:/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" "test" "--frozen" "--no-run"`
[INFO] [stdout] 39fa9c876460e9e4de4677f22508919ee3f3a02616aa4bad8fc8e3e152a7e83b
[INFO] running `"docker" "start" "-a" "39fa9c876460e9e4de4677f22508919ee3f3a02616aa4bad8fc8e3e152a7e83b"`
[INFO] [stderr]    Compiling next_prime v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "39fa9c876460e9e4de4677f22508919ee3f3a02616aa4bad8fc8e3e152a7e83b"`
[INFO] running `"docker" "rm" "-f" "39fa9c876460e9e4de4677f22508919ee3f3a02616aa4bad8fc8e3e152a7e83b"`
[INFO] [stdout] 39fa9c876460e9e4de4677f22508919ee3f3a02616aa4bad8fc8e3e152a7e83b
[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/reg/next_prime/0.1.1:/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" "test" "--frozen"`
[INFO] [stdout] 13f2089c0cc72465b73227576149d614173112e24a74d1ab9f256654aa3b5d4e
[INFO] running `"docker" "start" "-a" "13f2089c0cc72465b73227576149d614173112e24a74d1ab9f256654aa3b5d4e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/next_prime-53dc5016c8443e9e
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test next_prime_tests::finds_a_very_large_prime ... ok
[INFO] [stdout] test next_prime_tests::edge_case_two ... ok
[INFO] [stdout] test usqrt_tests::edge_case_zero ... ok
[INFO] [stdout] test is_prime_tests::small_primes ... ok
[INFO] [stdout] test usqrt_tests::edge_case_one ... ok
[INFO] [stdout] test next_prime_tests::returns_argument_when_it_is_already_prime ... ok
[INFO] [stdout] test next_prime_tests::finds_small_primes ... ok
[INFO] [stdout] test usqrt_tests::large_not_perfect_square ... ok
[INFO] [stdout] test usqrt_tests::rounds_up_when_not_a_perfect_square ... ok
[INFO] [stdout] test usqrt_tests::large_perfect_squares ... ok
[INFO] [stdout] test usqrt_tests::small_perfect_squares ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests next_prime
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - next_prime (line 104) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "13f2089c0cc72465b73227576149d614173112e24a74d1ab9f256654aa3b5d4e"`
[INFO] running `"docker" "rm" "-f" "13f2089c0cc72465b73227576149d614173112e24a74d1ab9f256654aa3b5d4e"`
[INFO] [stdout] 13f2089c0cc72465b73227576149d614173112e24a74d1ab9f256654aa3b5d4e