[INFO] crate luhn-rs 0.0.1 is already in cache
[INFO] extracting crate luhn-rs 0.0.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/luhn-rs/0.0.1
[INFO] extracting crate luhn-rs 0.0.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/luhn-rs/0.0.1
[INFO] validating manifest of luhn-rs-0.0.1 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of luhn-rs-0.0.1 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing luhn-rs-0.0.1
[INFO] finished frobbing luhn-rs-0.0.1
[INFO] frobbed toml for luhn-rs-0.0.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/luhn-rs/0.0.1/Cargo.toml
[INFO] started frobbing luhn-rs-0.0.1
[INFO] finished frobbing luhn-rs-0.0.1
[INFO] frobbed toml for luhn-rs-0.0.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/luhn-rs/0.0.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing luhn-rs-0.0.1 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/luhn-rs/0.0.1:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] fd43a1a7c02e5003733687c92694b63c3e979e18e36e34491f3f755e5c68349a
[INFO] running `"docker" "start" "-a" "fd43a1a7c02e5003733687c92694b63c3e979e18e36e34491f3f755e5c68349a"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]    Compiling luhn-rs v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `"docker" "inspect" "fd43a1a7c02e5003733687c92694b63c3e979e18e36e34491f3f755e5c68349a"`
[INFO] running `"docker" "rm" "-f" "fd43a1a7c02e5003733687c92694b63c3e979e18e36e34491f3f755e5c68349a"`
[INFO] [stdout] fd43a1a7c02e5003733687c92694b63c3e979e18e36e34491f3f755e5c68349a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/luhn-rs/0.0.1:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] ffc18f47fae041e64ba33e5e7d6a626a9890b611e258c977e97da2a9d13312bd
[INFO] running `"docker" "start" "-a" "ffc18f47fae041e64ba33e5e7d6a626a9890b611e258c977e97da2a9d13312bd"`
[INFO] [stderr]    Compiling luhn-rs v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'tests::rand::sample': renamed to seq::sample_iter
[INFO] [stderr]    --> src/lib.rs:152:52
[INFO] [stderr]     |
[INFO] [stderr] 152 |     use self::rand::{Isaac64Rng, Rng, SeedableRng, sample, thread_rng};
[INFO] [stderr]     |                                                    ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tests::rand::sample': renamed to seq::sample_iter
[INFO] [stderr]    --> src/lib.rs:249:25
[INFO] [stderr]     |
[INFO] [stderr] 249 |             let chars = sample(&mut rng, &printable_chars, alphabet_size as usize)
[INFO] [stderr]     |                         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `"docker" "inspect" "ffc18f47fae041e64ba33e5e7d6a626a9890b611e258c977e97da2a9d13312bd"`
[INFO] running `"docker" "rm" "-f" "ffc18f47fae041e64ba33e5e7d6a626a9890b611e258c977e97da2a9d13312bd"`
[INFO] [stdout] ffc18f47fae041e64ba33e5e7d6a626a9890b611e258c977e97da2a9d13312bd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/luhn-rs/0.0.1:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] be2501da7dcc86d21e48e3179ab7255d868b1ecb2307af0ee558a9a8dd80dd50
[INFO] running `"docker" "start" "-a" "be2501da7dcc86d21e48e3179ab7255d868b1ecb2307af0ee558a9a8dd80dd50"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/luhn-75a6036feb89aea1
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::test_generate ... ok
[INFO] [stdout] test tests::test_invalid_alphabet ... ok
[INFO] [stdout] test tests::test_invalid_input ... ok
[INFO] [stdout] test tests::test_longer_input ... ok
[INFO] [stdout] test tests::test_validate_with ... ok
[INFO] [stdout] test tests::test_empty_strings ... ok
[INFO] [stdout] test tests::test_validate ... ok
[INFO] [stdout] test tests::test_random_input ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests luhn
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "be2501da7dcc86d21e48e3179ab7255d868b1ecb2307af0ee558a9a8dd80dd50"`
[INFO] running `"docker" "rm" "-f" "be2501da7dcc86d21e48e3179ab7255d868b1ecb2307af0ee558a9a8dd80dd50"`
[INFO] [stdout] be2501da7dcc86d21e48e3179ab7255d868b1ecb2307af0ee558a9a8dd80dd50