[INFO] crate iota-lib-rs 0.3.0 is already in cache
[INFO] extracting crate iota-lib-rs 0.3.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/iota-lib-rs/0.3.0
[INFO] extracting crate iota-lib-rs 0.3.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/iota-lib-rs/0.3.0
[INFO] validating manifest of iota-lib-rs-0.3.0 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-lib-rs-0.3.0 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-lib-rs-0.3.0
[INFO] finished frobbing iota-lib-rs-0.3.0
[INFO] frobbed toml for iota-lib-rs-0.3.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/iota-lib-rs/0.3.0/Cargo.toml
[INFO] started frobbing iota-lib-rs-0.3.0
[INFO] finished frobbing iota-lib-rs-0.3.0
[INFO] frobbed toml for iota-lib-rs-0.3.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/iota-lib-rs/0.3.0/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing iota-lib-rs-0.3.0 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-0/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/iota-lib-rs/0.3.0:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 816028f396fb138148dd03dd6577c74f03a2334c7c8f0b89c698774585ec28bd
[INFO] running `"docker" "start" "-a" "816028f396fb138148dd03dd6577c74f03a2334c7c8f0b89c698774585ec28bd"`
[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-pow v0.2.0
[INFO] [stderr]    Compiling iota-validation v0.2.0
[INFO] [stderr]    Compiling iota-signing v0.2.0
[INFO] [stderr]    Compiling iota-utils v0.2.0
[INFO] [stderr]    Compiling iota-client v0.2.0
[INFO] [stderr]    Compiling iota-lib-rs v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.47s
[INFO] running `"docker" "inspect" "816028f396fb138148dd03dd6577c74f03a2334c7c8f0b89c698774585ec28bd"`
[INFO] running `"docker" "rm" "-f" "816028f396fb138148dd03dd6577c74f03a2334c7c8f0b89c698774585ec28bd"`
[INFO] [stdout] 816028f396fb138148dd03dd6577c74f03a2334c7c8f0b89c698774585ec28bd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/iota-lib-rs/0.3.0:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 83bf0977d1b423249e619b91a93be720f663b60117416730b08becf0837733e3
[INFO] running `"docker" "start" "-a" "83bf0977d1b423249e619b91a93be720f663b60117416730b08becf0837733e3"`
[INFO] [stderr]    Compiling iota-lib-rs v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.06s
[INFO] running `"docker" "inspect" "83bf0977d1b423249e619b91a93be720f663b60117416730b08becf0837733e3"`
[INFO] running `"docker" "rm" "-f" "83bf0977d1b423249e619b91a93be720f663b60117416730b08becf0837733e3"`
[INFO] [stdout] 83bf0977d1b423249e619b91a93be720f663b60117416730b08becf0837733e3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/iota-lib-rs/0.3.0:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 294b172c28af8ba4ffb1d5214687ee0c78821b4efb79b3c95b772d51d90f2623
[INFO] running `"docker" "start" "-a" "294b172c28af8ba4ffb1d5214687ee0c78821b4efb79b3c95b772d51d90f2623"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/iota_lib_rs-bcf1a1c90d7c9a11
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test iota_api::tests::test_address_generation ... ok
[INFO] [stderr]    Doc-tests iota_lib_rs
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "294b172c28af8ba4ffb1d5214687ee0c78821b4efb79b3c95b772d51d90f2623"`
[INFO] running `"docker" "rm" "-f" "294b172c28af8ba4ffb1d5214687ee0c78821b4efb79b3c95b772d51d90f2623"`
[INFO] [stdout] 294b172c28af8ba4ffb1d5214687ee0c78821b4efb79b3c95b772d51d90f2623