[INFO] fetching crate bbs 0.4.1...
[INFO] testing bbs-0.4.1 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate bbs 0.4.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate bbs 0.4.1 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bbs 0.4.1
[INFO] finished tweaking crates.io crate bbs 0.4.1
[INFO] tweaked toml for crates.io crate bbs 0.4.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06448261890e2612d782e86e76e0a5ac50810df32ce57c26980551f1aaea7209
[INFO] running `Command { std: "docker" "start" "-a" "06448261890e2612d782e86e76e0a5ac50810df32ce57c26980551f1aaea7209", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06448261890e2612d782e86e76e0a5ac50810df32ce57c26980551f1aaea7209", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06448261890e2612d782e86e76e0a5ac50810df32ce57c26980551f1aaea7209", kill_on_drop: false }`
[INFO] [stdout] 06448261890e2612d782e86e76e0a5ac50810df32ce57c26980551f1aaea7209
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f4fccc3b5e86b868179982b9d7125dfcd14c0d992b625481d0dd9b48ab86737
[INFO] running `Command { std: "docker" "start" "-a" "8f4fccc3b5e86b868179982b9d7125dfcd14c0d992b625481d0dd9b48ab86737", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling subtle v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling zeroize_derive v1.1.0
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling crypto-mac v0.7.0
[INFO] [stderr]    Compiling hmac v0.7.1
[INFO] [stderr]    Compiling blake2 v0.8.1
[INFO] [stderr]    Compiling hkdf v0.8.0
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling zeroize v1.4.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_xorshift v0.2.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling ff_derive-zeroize v0.6.2
[INFO] [stderr]    Compiling ff-zeroize v0.6.3
[INFO] [stderr]    Compiling pairing-plus v0.19.0
[INFO] [stderr]    Compiling bbs v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/errors.rs:114:22
[INFO] [stdout]     |
[INFO] [stdout] 114 |         for cause in Fail::iter_chain(&self.inner) {
[INFO] [stdout]     |                      ^^^^ help: use `dyn`: `<dyn Fail>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/errors.rs:203:13
[INFO] [stdout]     |
[INFO] [stdout] 203 |             Fail::iter_causes(&err)
[INFO] [stdout]     |             ^^^^ help: use `dyn`: `<dyn Fail>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.62s
[INFO] running `Command { std: "docker" "inspect" "8f4fccc3b5e86b868179982b9d7125dfcd14c0d992b625481d0dd9b48ab86737", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f4fccc3b5e86b868179982b9d7125dfcd14c0d992b625481d0dd9b48ab86737", kill_on_drop: false }`
[INFO] [stdout] 8f4fccc3b5e86b868179982b9d7125dfcd14c0d992b625481d0dd9b48ab86737
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 209ac9a4a3f4b51db2bacf8cd32519015674195fe9abba8b4567d78c04666a7e
[INFO] running `Command { std: "docker" "start" "-a" "209ac9a4a3f4b51db2bacf8cd32519015674195fe9abba8b4567d78c04666a7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling bbs v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/errors.rs:114:22
[INFO] [stdout]     |
[INFO] [stdout] 114 |         for cause in Fail::iter_chain(&self.inner) {
[INFO] [stdout]     |                      ^^^^ help: use `dyn`: `<dyn Fail>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/errors.rs:203:13
[INFO] [stdout]     |
[INFO] [stdout] 203 |             Fail::iter_causes(&err)
[INFO] [stdout]     |             ^^^^ help: use `dyn`: `<dyn Fail>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/errors.rs:114:22
[INFO] [stdout]     |
[INFO] [stdout] 114 |         for cause in Fail::iter_chain(&self.inner) {
[INFO] [stdout]     |                      ^^^^ help: use `dyn`: `<dyn Fail>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/errors.rs:203:13
[INFO] [stdout]     |
[INFO] [stdout] 203 |             Fail::iter_causes(&err)
[INFO] [stdout]     |             ^^^^ help: use `dyn`: `<dyn Fail>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.00s
[INFO] running `Command { std: "docker" "inspect" "209ac9a4a3f4b51db2bacf8cd32519015674195fe9abba8b4567d78c04666a7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "209ac9a4a3f4b51db2bacf8cd32519015674195fe9abba8b4567d78c04666a7e", kill_on_drop: false }`
[INFO] [stdout] 209ac9a4a3f4b51db2bacf8cd32519015674195fe9abba8b4567d78c04666a7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b835f3abb9b89b373a8f2e1eda3b79a3c8f89ff2dc8c3bdcc4223cf7f5b2d40a
[INFO] running `Command { std: "docker" "start" "-a" "b835f3abb9b89b373a8f2e1eda3b79a3c8f89ff2dc8c3bdcc4223cf7f5b2d40a", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/errors.rs:114:22
[INFO] [stderr]     |
[INFO] [stderr] 114 |         for cause in Fail::iter_chain(&self.inner) {
[INFO] [stderr]     |                      ^^^^ help: use `dyn`: `<dyn Fail>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/errors.rs:203:13
[INFO] [stderr]     |
[INFO] [stderr] 203 |             Fail::iter_causes(&err)
[INFO] [stderr]     |             ^^^^ help: use `dyn`: `<dyn Fail>`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: `bbs` (lib) generated 2 warnings
[INFO] [stderr] warning: `bbs` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bbs-b24fed6a686c1971)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test tests::speed_multi_scalar_test ... ignored
[INFO] [stdout] test signature::tests::signature_serialization ... ok
[INFO] [stdout] test tests::blind_signature_context_bytes_test ... ok
[INFO] [stdout] test keys::tests::key_conversion ... ok
[INFO] [stdout] test signature::tests::gen_signature ... ok
[INFO] [stdout] test keys::tests::key_from_seed ... ok
[INFO] [stdout] test tests::proof_request_bytes_test ... ok
[INFO] [stdout] test keys::tests::key_compression ... ok
[INFO] [stdout] test pok_vc::tests::test_pok_vc_g1 ... ok
[INFO] [stdout] test keys::tests::key_generate ... ok
[INFO] [stdout] test signature::tests::signature_committed_messages ... ok
[INFO] [stdout] test signature::tests::signature_validation ... ok
[INFO] [stdout] test tests::proof_bytes_test ... ok
[INFO] [stdout] test pok_sig::tests::pok_signature_no_revealed_messages_wrong_hash ... ok
[INFO] [stdout] test pok_sig::tests::pok_signature_no_revealed_messages ... ok
[INFO] [stdout] test pok_sig::tests::test_pok_multiple_sigs_with_same_msg ... ok
[INFO] [stdout] test pok_sig::tests::pok_signature_revealed_message ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 6.20s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stderr]      Running tests/bbs.rs (/opt/rustwide/target/debug/deps/bbs-bd17c9a12a2567b2)
[INFO] [stdout] test keygen ... ok
[INFO] [stdout] test sign ... ok
[INFO] [stdout] test blind_sign ... ok
[INFO] [stdout] test test_challenge_hash_with_false_prover_claims ... ok
[INFO] [stdout] test blind_sign_simple ... ok
[INFO] [stdout] test pok_sig ... ok
[INFO] [stdout] test test_challenge_hash_with_prover_claims ... ok
[INFO] [stdout] test test_challenge_hash_with_false_prover_claims_fails ... ok
[INFO] [stdout] test pok_sig_bad_message ... ok
[INFO] [stdout] test pok_sig_extra_message ... ok
[INFO] [stderr]    Doc-tests bbs
[INFO] [stdout] test bbs_demo ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 6.03s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b835f3abb9b89b373a8f2e1eda3b79a3c8f89ff2dc8c3bdcc4223cf7f5b2d40a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b835f3abb9b89b373a8f2e1eda3b79a3c8f89ff2dc8c3bdcc4223cf7f5b2d40a", kill_on_drop: false }`
[INFO] [stdout] b835f3abb9b89b373a8f2e1eda3b79a3c8f89ff2dc8c3bdcc4223cf7f5b2d40a