[INFO] crate buttercup-crypto 0.4.2 is already in cache
[INFO] extracting crate buttercup-crypto 0.4.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/buttercup-crypto/0.4.2
[INFO] extracting crate buttercup-crypto 0.4.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/buttercup-crypto/0.4.2
[INFO] validating manifest of buttercup-crypto-0.4.2 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 buttercup-crypto-0.4.2 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 buttercup-crypto-0.4.2
[INFO] finished frobbing buttercup-crypto-0.4.2
[INFO] frobbed toml for buttercup-crypto-0.4.2 written to work/ex/beta-1.37-6/sources/1.36.0/reg/buttercup-crypto/0.4.2/Cargo.toml
[INFO] started frobbing buttercup-crypto-0.4.2
[INFO] finished frobbing buttercup-crypto-0.4.2
[INFO] frobbed toml for buttercup-crypto-0.4.2 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/buttercup-crypto/0.4.2/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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing buttercup-crypto-0.4.2 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-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/buttercup-crypto/0.4.2:/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] 687d41172476a8705deefb06e308de3f253b139a719ecbd1d78470814281df91
[INFO] running `"docker" "start" "-a" "687d41172476a8705deefb06e308de3f253b139a719ecbd1d78470814281df91"`
[INFO] [stderr]    Compiling arrayref v0.3.5
[INFO] [stderr]    Compiling constant_time_eq v0.1.3
[INFO] [stderr]    Compiling byte-tools v0.2.0
[INFO] [stderr]    Compiling opaque-debug v0.1.1
[INFO] [stderr]    Compiling generic-array v0.9.0
[INFO] [stderr]    Compiling base64 v0.5.2
[INFO] [stderr]    Compiling block-buffer v0.3.3
[INFO] [stderr]    Compiling crypto-mac v0.6.2
[INFO] [stderr]    Compiling digest v0.7.6
[INFO] [stderr]    Compiling block-cipher-trait v0.5.3
[INFO] [stderr]    Compiling aes-soft v0.1.0
[INFO] [stderr]    Compiling block-modes v0.1.0
[INFO] [stderr]    Compiling sha2 v0.7.1
[INFO] [stderr]    Compiling hmac v0.6.3
[INFO] [stderr]    Compiling pbkdf2 v0.2.3
[INFO] [stderr]    Compiling buttercup-crypto v0.4.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.83s
[INFO] running `"docker" "inspect" "687d41172476a8705deefb06e308de3f253b139a719ecbd1d78470814281df91"`
[INFO] running `"docker" "rm" "-f" "687d41172476a8705deefb06e308de3f253b139a719ecbd1d78470814281df91"`
[INFO] [stdout] 687d41172476a8705deefb06e308de3f253b139a719ecbd1d78470814281df91
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/buttercup-crypto/0.4.2:/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] 7d212d2d6bb67a8f99651d8fb80a04df777dba8cc2f084f8dd86abeb828659fc
[INFO] running `"docker" "start" "-a" "7d212d2d6bb67a8f99651d8fb80a04df777dba8cc2f084f8dd86abeb828659fc"`
[INFO] [stderr]    Compiling buttercup-crypto v0.4.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `"docker" "inspect" "7d212d2d6bb67a8f99651d8fb80a04df777dba8cc2f084f8dd86abeb828659fc"`
[INFO] running `"docker" "rm" "-f" "7d212d2d6bb67a8f99651d8fb80a04df777dba8cc2f084f8dd86abeb828659fc"`
[INFO] [stdout] 7d212d2d6bb67a8f99651d8fb80a04df777dba8cc2f084f8dd86abeb828659fc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/buttercup-crypto/0.4.2:/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] 1d000dd48a45ddf67ea258bf9d6059ed688a19a6790c08c10a3cd6a13c6a4eb2
[INFO] running `"docker" "start" "-a" "1d000dd48a45ddf67ea258bf9d6059ed688a19a6790c08c10a3cd6a13c6a4eb2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/buttercup_crypto-afcf3d7272068321
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test random::random_string_test ... ok
[INFO] [stdout] test encryption::cbc::cbc_decryption_test ... ok
[INFO] [stdout] test encryption::cbc::cbc_encryption_test ... ok
[INFO] [stdout] test random::random_iv_test ... ok
[INFO] [stdout] test derivation::pbkdf2_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests buttercup-crypto
[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" "1d000dd48a45ddf67ea258bf9d6059ed688a19a6790c08c10a3cd6a13c6a4eb2"`
[INFO] running `"docker" "rm" "-f" "1d000dd48a45ddf67ea258bf9d6059ed688a19a6790c08c10a3cd6a13c6a4eb2"`
[INFO] [stdout] 1d000dd48a45ddf67ea258bf9d6059ed688a19a6790c08c10a3cd6a13c6a4eb2