[INFO] crate iota-utils 0.2.0 is already in cache
[INFO] extracting crate iota-utils 0.2.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/iota-utils/0.2.0
[INFO] extracting crate iota-utils 0.2.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/iota-utils/0.2.0
[INFO] validating manifest of iota-utils-0.2.0 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 iota-utils-0.2.0 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 iota-utils-0.2.0
[INFO] finished frobbing iota-utils-0.2.0
[INFO] frobbed toml for iota-utils-0.2.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/iota-utils/0.2.0/Cargo.toml
[INFO] started frobbing iota-utils-0.2.0
[INFO] finished frobbing iota-utils-0.2.0
[INFO] frobbed toml for iota-utils-0.2.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/iota-utils/0.2.0/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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 iota-utils-0.2.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/iota-utils/0.2.0:/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=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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] b78c01c82c6f01cbecd735f00f28f26bd7bcdfa197757d4d5c4a5d2e873544ee
[INFO] running `"docker" "start" "-a" "b78c01c82c6f01cbecd735f00f28f26bd7bcdfa197757d4d5c4a5d2e873544ee"`
[INFO] [stderr]    Compiling iota-constants v0.2.0
[INFO] [stderr]    Compiling iota-conversion v0.2.0
[INFO] [stderr]    Compiling iota-crypto v0.2.0
[INFO] [stderr]    Compiling iota-model v0.2.0
[INFO] [stderr]    Compiling iota-validation v0.2.0
[INFO] [stderr]    Compiling iota-utils v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.14s
[INFO] running `"docker" "inspect" "b78c01c82c6f01cbecd735f00f28f26bd7bcdfa197757d4d5c4a5d2e873544ee"`
[INFO] running `"docker" "rm" "-f" "b78c01c82c6f01cbecd735f00f28f26bd7bcdfa197757d4d5c4a5d2e873544ee"`
[INFO] [stdout] b78c01c82c6f01cbecd735f00f28f26bd7bcdfa197757d4d5c4a5d2e873544ee
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/iota-utils/0.2.0:/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=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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8342467a57171b74797ff9fd468b9a2cd89b829e088c2e37603331f414c9990e
[INFO] running `"docker" "start" "-a" "8342467a57171b74797ff9fd468b9a2cd89b829e088c2e37603331f414c9990e"`
[INFO] [stderr]    Compiling iota-utils v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `"docker" "inspect" "8342467a57171b74797ff9fd468b9a2cd89b829e088c2e37603331f414c9990e"`
[INFO] running `"docker" "rm" "-f" "8342467a57171b74797ff9fd468b9a2cd89b829e088c2e37603331f414c9990e"`
[INFO] [stdout] 8342467a57171b74797ff9fd468b9a2cd89b829e088c2e37603331f414c9990e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/iota-utils/0.2.0:/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=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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] aa5078e46f6430d02ad717128131082767a83794592e20da98f2fd14210b6b8d
[INFO] running `"docker" "start" "-a" "aa5078e46f6430d02ad717128131082767a83794592e20da98f2fd14210b6b8d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/iota_utils-3872cf34d2858a5b
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test seed_random_generator::tests::generate_valid_seed ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests iota_utils
[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" "aa5078e46f6430d02ad717128131082767a83794592e20da98f2fd14210b6b8d"`
[INFO] running `"docker" "rm" "-f" "aa5078e46f6430d02ad717128131082767a83794592e20da98f2fd14210b6b8d"`
[INFO] [stdout] aa5078e46f6430d02ad717128131082767a83794592e20da98f2fd14210b6b8d