[INFO] fetching crate signature_core 0.20.0...
[INFO] testing signature_core-0.20.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate signature_core 0.20.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate signature_core 0.20.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate signature_core 0.20.0
[INFO] finished tweaking crates.io crate signature_core 0.20.0
[INFO] tweaked toml for crates.io crate signature_core 0.20.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] adc3d041dd0fddd37227587f453dc3f7e01cff9a920a83dce9a3bcb55ba94daf
[INFO] running `Command { std: "docker" "start" "-a" "adc3d041dd0fddd37227587f453dc3f7e01cff9a920a83dce9a3bcb55ba94daf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "adc3d041dd0fddd37227587f453dc3f7e01cff9a920a83dce9a3bcb55ba94daf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adc3d041dd0fddd37227587f453dc3f7e01cff9a920a83dce9a3bcb55ba94daf", kill_on_drop: false }`
[INFO] [stdout] adc3d041dd0fddd37227587f453dc3f7e01cff9a920a83dce9a3bcb55ba94daf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8cb446c3ad7f4ccc53ea2a09f46d80027ce88da880f2740944e52bbb51e809b4
[INFO] running `Command { std: "docker" "start" "-a" "8cb446c3ad7f4ccc53ea2a09f46d80027ce88da880f2740944e52bbb51e809b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling funty v1.2.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling heapless v0.7.5
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling serde-big-array v0.3.2
[INFO] [stderr]    Compiling wyz v0.4.0
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling blake2 v0.9.2
[INFO] [stderr]    Compiling bitvec v0.22.3
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling ff v0.10.1
[INFO] [stderr]    Compiling group v0.10.0
[INFO] [stderr]    Compiling pairing v0.20.0
[INFO] [stderr]    Compiling bls12_381_plus v0.5.1
[INFO] [stderr]    Compiling signature_core v0.20.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.24s
[INFO] running `Command { std: "docker" "inspect" "8cb446c3ad7f4ccc53ea2a09f46d80027ce88da880f2740944e52bbb51e809b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cb446c3ad7f4ccc53ea2a09f46d80027ce88da880f2740944e52bbb51e809b4", kill_on_drop: false }`
[INFO] [stdout] 8cb446c3ad7f4ccc53ea2a09f46d80027ce88da880f2740944e52bbb51e809b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e46eb015997eb3bcc7011490017e220ec39f814fadb82d13c9def51a2bbe4882
[INFO] running `Command { std: "docker" "start" "-a" "e46eb015997eb3bcc7011490017e220ec39f814fadb82d13c9def51a2bbe4882", kill_on_drop: false }`
[INFO] [stderr]    Compiling signature_core v0.20.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `Command { std: "docker" "inspect" "e46eb015997eb3bcc7011490017e220ec39f814fadb82d13c9def51a2bbe4882", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e46eb015997eb3bcc7011490017e220ec39f814fadb82d13c9def51a2bbe4882", kill_on_drop: false }`
[INFO] [stdout] e46eb015997eb3bcc7011490017e220ec39f814fadb82d13c9def51a2bbe4882
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 00b7ebf4fb3ceeb2fab78967739b2287b1855034316a34d7588812276fb09560
[INFO] running `Command { std: "docker" "start" "-a" "00b7ebf4fb3ceeb2fab78967739b2287b1855034316a34d7588812276fb09560", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 11 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/signature_core-f9b48f637975db27)
[INFO] [stdout] test message::test::test_message ... ok
[INFO] [stdout] test util::test::test_scalar_to_from_bytes ... ok
[INFO] [stdout] test util::test::test_hash_to_scalar ... ok
[INFO] [stdout] test nonce::test::test_nonce ... ok
[INFO] [stdout] test util::test::test_sum_of_products ... ok
[INFO] [stdout] test error::test::test_error ... ok
[INFO] [stdout] test util::test::test_vecserializer ... ok
[INFO] [stdout] test signature_blinding::test::test_message ... ok
[INFO] [stdout] test challenge::test::challenge_test ... ok
[INFO] [stdout] test commitment::test::test_commitment ... ok
[INFO] [stdout] test proof_committed_builder::test::test_proof_committed_builder ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests signature_core
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "00b7ebf4fb3ceeb2fab78967739b2287b1855034316a34d7588812276fb09560", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00b7ebf4fb3ceeb2fab78967739b2287b1855034316a34d7588812276fb09560", kill_on_drop: false }`
[INFO] [stdout] 00b7ebf4fb3ceeb2fab78967739b2287b1855034316a34d7588812276fb09560