[INFO] fetching crate estel_secp256k1 0.4.0...
[INFO] testing estel_secp256k1-0.4.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate estel_secp256k1 0.4.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate estel_secp256k1 0.4.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate estel_secp256k1 0.4.0
[INFO] finished tweaking crates.io crate estel_secp256k1 0.4.0
[INFO] tweaked toml for crates.io crate estel_secp256k1 0.4.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20840fdd45c349049e163f2efbdd3003b7b119d52cbfb0f02a312310ec4b0383
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "20840fdd45c349049e163f2efbdd3003b7b119d52cbfb0f02a312310ec4b0383", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20840fdd45c349049e163f2efbdd3003b7b119d52cbfb0f02a312310ec4b0383", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20840fdd45c349049e163f2efbdd3003b7b119d52cbfb0f02a312310ec4b0383", kill_on_drop: false }`
[INFO] [stdout] 20840fdd45c349049e163f2efbdd3003b7b119d52cbfb0f02a312310ec4b0383
[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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6b40c3ef05c33536f84d4f1d76cb3cc0c16d00f2c5dbacda2a3b53e6a2156b2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d6b40c3ef05c33536f84d4f1d76cb3cc0c16d00f2c5dbacda2a3b53e6a2156b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling crypto-mac v0.11.1
[INFO] [stderr]    Compiling sha2 v0.9.8
[INFO] [stderr]    Compiling hmac v0.11.0
[INFO] [stderr]    Compiling estel_secp256k1 v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.25s
[INFO] running `Command { std: "docker" "inspect" "d6b40c3ef05c33536f84d4f1d76cb3cc0c16d00f2c5dbacda2a3b53e6a2156b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6b40c3ef05c33536f84d4f1d76cb3cc0c16d00f2c5dbacda2a3b53e6a2156b2", kill_on_drop: false }`
[INFO] [stdout] d6b40c3ef05c33536f84d4f1d76cb3cc0c16d00f2c5dbacda2a3b53e6a2156b2
[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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9967fbe4a96c26195f7630b4c32f675022ec0abeb446122fd42fb08955f3240
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a9967fbe4a96c26195f7630b4c32f675022ec0abeb446122fd42fb08955f3240", kill_on_drop: false }`
[INFO] [stderr]    Compiling estel_secp256k1 v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.25s
[INFO] running `Command { std: "docker" "inspect" "a9967fbe4a96c26195f7630b4c32f675022ec0abeb446122fd42fb08955f3240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9967fbe4a96c26195f7630b4c32f675022ec0abeb446122fd42fb08955f3240", kill_on_drop: false }`
[INFO] [stdout] a9967fbe4a96c26195f7630b4c32f675022ec0abeb446122fd42fb08955f3240
[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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 111f60b21db2d68226327ee4fcc430df95481b93f5c85bd433ae67e1eae2849e
[INFO] running `Command { std: "docker" "start" "-a" "111f60b21db2d68226327ee4fcc430df95481b93f5c85bd433ae67e1eae2849e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/estel_secp256k1-35f9d7b7d9bcbdc1)
[INFO] [stdout] running 22 tests
[INFO] [stdout] test field::tests::it_adds_a_field_element ... ok
[INFO] [stdout] test field::tests::it_mults_a_field_element_2 ... ok
[INFO] [stdout] test field::tests::it_square_a_field_element ... ok
[INFO] [stdout] test field::tests::it_tests_inverse ... ok
[INFO] [stdout] test field::tests::it_tests_equality ... ok
[INFO] [stdout] test field::tests::it_tests_inverse2 ... ok
[INFO] [stdout] test field::tests::it_tests_ordering ... ok
[INFO] [stdout] test scalar::tests::it_div2 ... ok
[INFO] [stdout] test key::tests::it_tests_k_is_deterministic ... ok
[INFO] [stdout] test key::tests::it_checks_public_key_serialization ... ok
[INFO] [stdout] test field::tests::it_tests_inverse3 ... ok
[INFO] [stdout] test scalar::tests::it_modinv ... ok
[INFO] [stdout] test scalar::tests::it_multiply_scalars ... ok
[INFO] [stdout] test scalar::tests::it_tests_ordering ... ok
[INFO] [stdout] test ecc::tests::it_checks_addition ... ok
[INFO] [stdout] test scalar::tests::it_multiply_scalars2 ... ok
[INFO] [stdout] test field::tests::it_mult_a_field_element ... ok
[INFO] [stdout] test field::tests::it_mult_a_scalar ... ok
[INFO] [stdout] test sig::tests::it_cannot_parse_signature ... ok
[INFO] [stdout] test sig::tests::it_parses_serialized_signature ... ok
[INFO] [stdout] test sig::tests::it_serializes_signature ... ok
[INFO] [stderr]      Running tests/key_test.rs (/opt/rustwide/target/debug/deps/key_test-3802c112c6b0d416)
[INFO] [stdout] test ecc::tests::it_checks_scalar_multiplication ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests estel_secp256k1
[INFO] [stdout] test it_verify_a_signature_from_buffer ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.25s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - generate_keypair_from_seed (line 22) ... ok
[INFO] [stdout] test src/key.rs - key::PrivateKey::new (line 23) ... ok
[INFO] [stdout] test src/key.rs - key::PrivateKey::sign_buffer (line 117) ... ok
[INFO] [stdout] test src/key.rs - key::PrivateKey::sign (line 87) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "111f60b21db2d68226327ee4fcc430df95481b93f5c85bd433ae67e1eae2849e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "111f60b21db2d68226327ee4fcc430df95481b93f5c85bd433ae67e1eae2849e", kill_on_drop: false }`
[INFO] [stdout] 111f60b21db2d68226327ee4fcc430df95481b93f5c85bd433ae67e1eae2849e