[INFO] fetching crate libss 0.1.0...
[INFO] testing libss-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate libss 0.1.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate libss 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libss 0.1.0
[INFO] finished tweaking crates.io crate libss 0.1.0
[INFO] tweaked toml for crates.io crate libss 0.1.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c9181fae85383fd0e4d1a7d9b38255bfc062906b380530c7b2c24c80e5fdee9
[INFO] running `Command { std: "docker" "start" "-a" "1c9181fae85383fd0e4d1a7d9b38255bfc062906b380530c7b2c24c80e5fdee9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c9181fae85383fd0e4d1a7d9b38255bfc062906b380530c7b2c24c80e5fdee9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c9181fae85383fd0e4d1a7d9b38255bfc062906b380530c7b2c24c80e5fdee9", kill_on_drop: false }`
[INFO] [stdout] 1c9181fae85383fd0e4d1a7d9b38255bfc062906b380530c7b2c24c80e5fdee9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc200069a2eda03625ea2ef8feeebb0a9b14015cd47bd53bbde7a999d1fb807b
[INFO] running `Command { std: "docker" "start" "-a" "fc200069a2eda03625ea2ef8feeebb0a9b14015cd47bd53bbde7a999d1fb807b", kill_on_drop: false }`
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling libss v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `barycentric_interpolate`
[INFO] [stdout]   --> src/interpolate.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn barycentric_interpolate<Fq: Field>(points: &[(Fq, Fq)]) -> Fq {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.42s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fc200069a2eda03625ea2ef8feeebb0a9b14015cd47bd53bbde7a999d1fb807b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc200069a2eda03625ea2ef8feeebb0a9b14015cd47bd53bbde7a999d1fb807b", kill_on_drop: false }`
[INFO] [stdout] fc200069a2eda03625ea2ef8feeebb0a9b14015cd47bd53bbde7a999d1fb807b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63cd4946d39ff92aad891abb61109deafd4d2fcd344613b7c10d6af4e172916d
[INFO] running `Command { std: "docker" "start" "-a" "63cd4946d39ff92aad891abb61109deafd4d2fcd344613b7c10d6af4e172916d", kill_on_drop: false }`
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stdout] warning: function is never used: `barycentric_interpolate`
[INFO] [stdout]   --> src/interpolate.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn barycentric_interpolate<Fq: Field>(points: &[(Fq, Fq)]) -> Fq {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quickcheck v0.8.5
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling libss v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.50s
[INFO] running `Command { std: "docker" "inspect" "63cd4946d39ff92aad891abb61109deafd4d2fcd344613b7c10d6af4e172916d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63cd4946d39ff92aad891abb61109deafd4d2fcd344613b7c10d6af4e172916d", kill_on_drop: false }`
[INFO] [stdout] 63cd4946d39ff92aad891abb61109deafd4d2fcd344613b7c10d6af4e172916d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 180b8cb76c6cad258b2a6bc994c46aee521f381bc77dde580b01a299e63399cb
[INFO] running `Command { std: "docker" "start" "-a" "180b8cb76c6cad258b2a6bc994c46aee521f381bc77dde580b01a299e63399cb", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `barycentric_interpolate`
[INFO] [stderr]   --> src/interpolate.rs:24:8
[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] warning: `libss` (lib) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/libss-d72f81b4729accd6)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test gf256::tests::commutative_multiplication_test ... ok
[INFO] [stdout] test gf256::tests::associative_multiplication_test ... ok
[INFO] [stdout] test gf256::tests::associative_addition_test ... ok
[INFO] [stdout] test gf256::tests::distributive_test ... ok
[INFO] [stdout] test gf256::tests::commutative_addition_test ... ok
[INFO] [stdout] test gf256::tests::negation ... ok
[INFO] [stdout] test gf256::tests::field_tests ... ok
[INFO] [stdout] test shamir::test::test_split_invalid ... ok
[INFO] [stdout] test shamir::test::test_split_and_combine_2_of_2 ... 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_insufficient ... ok
[INFO] [stdout] test gf256::tests::division_test ... ok
[INFO] [stdout] test gf256::tests::inversion ... ok
[INFO] [stdout] test shamir::test::test_split_and_combine_1_of_2 ... 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] [stderr]    Doc-tests libss
[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; finished in 3.86s
[INFO] [stdout] 
[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; finished in 0.58s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "180b8cb76c6cad258b2a6bc994c46aee521f381bc77dde580b01a299e63399cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "180b8cb76c6cad258b2a6bc994c46aee521f381bc77dde580b01a299e63399cb", kill_on_drop: false }`
[INFO] [stdout] 180b8cb76c6cad258b2a6bc994c46aee521f381bc77dde580b01a299e63399cb