[INFO] crate libss 0.1.0 is already in cache
[INFO] extracting crate libss 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/libss/0.1.0
[INFO] extracting crate libss 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/libss/0.1.0
[INFO] validating manifest of libss-0.1.0 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 libss-0.1.0 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 libss-0.1.0
[INFO] finished frobbing libss-0.1.0
[INFO] frobbed toml for libss-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/libss/0.1.0/Cargo.toml
[INFO] started frobbing libss-0.1.0
[INFO] finished frobbing libss-0.1.0
[INFO] frobbed toml for libss-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/libss/0.1.0/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 libss-0.1.0 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-2/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/libss/0.1.0:/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] 2c9ee1e175bb4038d5bd6a2fec00a5d12f8a78ed22341d2fdb8576610e7263d3
[INFO] running `"docker" "start" "-a" "2c9ee1e175bb4038d5bd6a2fec00a5d12f8a78ed22341d2fdb8576610e7263d3"`
[INFO] [stderr]    Compiling libss v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `barycentric_interpolate`
[INFO] [stderr]   --> src/interpolate.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub fn barycentric_interpolate<Fq: Field>(points: &[(Fq, Fq)]) -> Fq {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `"docker" "inspect" "2c9ee1e175bb4038d5bd6a2fec00a5d12f8a78ed22341d2fdb8576610e7263d3"`
[INFO] running `"docker" "rm" "-f" "2c9ee1e175bb4038d5bd6a2fec00a5d12f8a78ed22341d2fdb8576610e7263d3"`
[INFO] [stdout] 2c9ee1e175bb4038d5bd6a2fec00a5d12f8a78ed22341d2fdb8576610e7263d3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/libss/0.1.0:/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] d96d2ae1890104b233865aea9beee90e523a9fe3435ba4bef06ea54ecd860054
[INFO] running `"docker" "start" "-a" "d96d2ae1890104b233865aea9beee90e523a9fe3435ba4bef06ea54ecd860054"`
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling quickcheck v0.8.5
[INFO] [stderr]    Compiling libss v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.91s
[INFO] running `"docker" "inspect" "d96d2ae1890104b233865aea9beee90e523a9fe3435ba4bef06ea54ecd860054"`
[INFO] running `"docker" "rm" "-f" "d96d2ae1890104b233865aea9beee90e523a9fe3435ba4bef06ea54ecd860054"`
[INFO] [stdout] d96d2ae1890104b233865aea9beee90e523a9fe3435ba4bef06ea54ecd860054
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/libss/0.1.0:/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] 9d796cc187628ba4f7ffc5c673dac8209208d03ad64b649e7c0165ff21484c8f
[INFO] running `"docker" "start" "-a" "9d796cc187628ba4f7ffc5c673dac8209208d03ad64b649e7c0165ff21484c8f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/libss-c3648e00f064a1e4
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test gf256::tests::commutative_multiplication_test ... ok
[INFO] [stdout] test gf256::tests::distributive_test ... ok
[INFO] [stdout] test gf256::tests::commutative_addition_test ... ok
[INFO] [stdout] test gf256::tests::associative_addition_test ... ok
[INFO] [stdout] test gf256::tests::associative_multiplication_test ... ok
[INFO] [stdout] test gf256::tests::field_tests ... ok
[INFO] [stdout] test gf256::tests::negation ... ok
[INFO] [stdout] test gf256::tests::division_test ... ok
[INFO] [stdout] test shamir::test::test_split_and_combine_2_of_2 ... ok
[INFO] [stdout] test gf256::tests::inversion ... ok
[INFO] [stdout] test shamir::test::test_split_invalid ... ok
[INFO] [stdout] test polynomial::test::test_eval_at_one ... ok
[INFO] [stdout] test polynomial::test::test_eval_at_zero ... ok
[INFO] [stdout] test shamir::test::test_split_and_combine_1_of_2 ... ok
[INFO] [stdout] test shamir::test::test_split_and_combine_insufficient ... ok
[INFO] [stdout] test shamir::test::test_split_and_combine_10_of_20 ... ok
[INFO] [stdout] test interpolate::test::test_interpolate_with_intercept ... ok
[INFO] [stdout] test interpolate::test::test_barycentric_interpolate_with_intercept ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libss
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - gf256 (line 24) ... ok
[INFO] [stdout] test src/lib.rs - gf256 (line 36) ... ok
[INFO] [stdout] test src/lib.rs - shamir (line 56) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "9d796cc187628ba4f7ffc5c673dac8209208d03ad64b649e7c0165ff21484c8f"`
[INFO] running `"docker" "rm" "-f" "9d796cc187628ba4f7ffc5c673dac8209208d03ad64b649e7c0165ff21484c8f"`
[INFO] [stdout] 9d796cc187628ba4f7ffc5c673dac8209208d03ad64b649e7c0165ff21484c8f