[INFO] fetching crate zcash_client_backend 0.20.0...
[INFO] testing zcash_client_backend-0.20.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate zcash_client_backend 0.20.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate zcash_client_backend 0.20.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate zcash_client_backend 0.20.0
[INFO] tweaked toml for crates.io crate zcash_client_backend 0.20.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate zcash_client_backend 0.20.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate zcash_client_backend 0.20.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f6331e63d4406e653a03cd110d882d6092b0d1c1d824c9b1dbf542724b888f5
[INFO] running `Command { std: "docker" "start" "-a" "0f6331e63d4406e653a03cd110d882d6092b0d1c1d824c9b1dbf542724b888f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f6331e63d4406e653a03cd110d882d6092b0d1c1d824c9b1dbf542724b888f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f6331e63d4406e653a03cd110d882d6092b0d1c1d824c9b1dbf542724b888f5", kill_on_drop: false }`
[INFO] [stdout] 0f6331e63d4406e653a03cd110d882d6092b0d1c1d824c9b1dbf542724b888f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5df03bed04e4169964610e23a33a2308b895ee1915f0ae99be12d41062832d0f
[INFO] running `Command { std: "docker" "start" "-a" "5df03bed04e4169964610e23a33a2308b895ee1915f0ae99be12d41062832d0f", kill_on_drop: false }`
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[INFO] [stderr]    Compiling zcash_client_backend v0.20.0 (/opt/rustwide/workdir)
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[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.86s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: document-features v0.2.8
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "5df03bed04e4169964610e23a33a2308b895ee1915f0ae99be12d41062832d0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5df03bed04e4169964610e23a33a2308b895ee1915f0ae99be12d41062832d0f", kill_on_drop: false }`
[INFO] [stdout] 5df03bed04e4169964610e23a33a2308b895ee1915f0ae99be12d41062832d0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6ed3739cf27fa784a365e8332c33e702a34ca05157d2de58d66ca4e2e81c386
[INFO] running `Command { std: "docker" "start" "-a" "d6ed3739cf27fa784a365e8332c33e702a34ca05157d2de58d66ca4e2e81c386", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling bitflags v2.9.0
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling unarray v0.1.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling wagyu-zcash-parameters-2 v0.2.0
[INFO] [stderr]    Compiling wagyu-zcash-parameters-1 v0.2.0
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling zcash_script v0.4.0
[INFO] [stderr]    Compiling wagyu-zcash-parameters-6 v0.2.0
[INFO] [stderr]    Compiling wagyu-zcash-parameters-3 v0.2.0
[INFO] [stderr]    Compiling wagyu-zcash-parameters-4 v0.2.0
[INFO] [stderr]    Compiling wagyu-zcash-parameters-5 v0.2.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling wagyu-zcash-parameters v0.2.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling num-bigint v0.4.5
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling tokio v1.37.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling ff v0.13.0
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling group v0.13.0
[INFO] [stderr]    Compiling zcash_note_encryption v0.4.1
[INFO] [stderr]    Compiling pairing v0.23.0
[INFO] [stderr]    Compiling bls12_381 v0.8.0
[INFO] [stderr]    Compiling bellman v0.14.0
[INFO] [stderr]    Compiling bip32 v0.6.0-pre.1
[INFO] [stderr]    Compiling tempfile v3.10.1
[INFO] [stderr]    Compiling pasta_curves v0.5.1
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling jubjub v0.10.0
[INFO] [stderr]    Compiling fpe v0.6.1
[INFO] [stderr]    Compiling proptest v1.4.0
[INFO] [stderr]    Compiling prost-build v0.13.4
[INFO] [stderr]    Compiling reddsa v0.5.1
[INFO] [stderr]    Compiling halo2_poseidon v0.1.0
[INFO] [stderr]    Compiling sinsemilla v0.1.0
[INFO] [stderr]    Compiling redjubjub v0.8.0
[INFO] [stderr]    Compiling halo2_proofs v0.3.0
[INFO] [stderr]    Compiling tonic-build v0.13.0
[INFO] [stderr]    Compiling which v7.0.2
[INFO] [stderr]    Compiling gumdrop_derive v0.8.1
[INFO] [stderr]    Compiling ambassador v0.4.1
[INFO] [stderr]    Compiling zcash_client_backend v0.20.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling gumdrop v0.8.1
[INFO] [stderr]    Compiling incrementalmerkletree v0.8.2
[INFO] [stderr]    Compiling incrementalmerkletree-testing v0.3.0
[INFO] [stderr]    Compiling sapling-crypto v0.5.0
[INFO] [stderr]    Compiling zcash_protocol v0.6.2
[INFO] [stderr]    Compiling shardtree v0.6.1
[INFO] [stderr]    Compiling zcash_address v0.9.0
[INFO] [stderr]    Compiling halo2_gadgets v0.3.1
[INFO] [stderr]    Compiling zcash_transparent v0.5.0
[INFO] [stderr]    Compiling zip321 v0.5.0
[INFO] [stderr]    Compiling zcash_keys v0.11.0
[INFO] [stderr]    Compiling orchard v0.11.0
[INFO] [stderr]    Compiling zcash_primitives v0.25.0
[INFO] [stderr]    Compiling zcash_proofs v0.25.0
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 21.47s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: document-features v0.2.8
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "d6ed3739cf27fa784a365e8332c33e702a34ca05157d2de58d66ca4e2e81c386", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6ed3739cf27fa784a365e8332c33e702a34ca05157d2de58d66ca4e2e81c386", kill_on_drop: false }`
[INFO] [stdout] d6ed3739cf27fa784a365e8332c33e702a34ca05157d2de58d66ca4e2e81c386
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 826d25e130b74dc2df203ea15fbeafbe4f99e434e0b554e56284f56359c9d3f3
[INFO] running `Command { std: "docker" "start" "-a" "826d25e130b74dc2df203ea15fbeafbe4f99e434e0b554e56284f56359c9d3f3", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: document-features v0.2.8
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/zcash_client_backend-6f969601c4a418ee)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test data_api::scanning::tests::split_at ... ok
[INFO] [stdout] test fees::zip317::tests::change_with_allowable_dust_implicitly_allowing_zero_change ... ok
[INFO] [stdout] test fees::zip317::tests::change_with_disallowed_dust ... ok
[INFO] [stdout] test fees::zip317::tests::change_with_allowable_dust_explicitly_allowing_zero_change ... ok
[INFO] [stdout] test fees::zip317::tests::change_with_transparent_payments_implicitly_allowing_zero_change ... ok
[INFO] [stdout] test fees::zip317::tests::change_without_dust ... ok
[INFO] [stdout] test fees::zip317::tests::change_without_dust_multi ... ok
[INFO] [stdout] test data_api::scanning::tests::truncate_end ... ok
[INFO] [stdout] test fees::zip317::tests::change_with_transparent_payments_explicitly_allowing_zero_change ... ok
[INFO] [stdout] test data_api::scanning::tests::truncate_start ... ok
[INFO] [stdout] test scanning::tests::scan_block_with_my_spend ... ok
[INFO] [stdout] test scanning::tests::scan_block_with_my_tx ... ok
[INFO] [stdout] test scanning::tests::scan_block_with_txs_after_my_tx ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.32s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests zcash_client_backend
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/data_api/chain.rs - data_api::chain (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.20s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "826d25e130b74dc2df203ea15fbeafbe4f99e434e0b554e56284f56359c9d3f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "826d25e130b74dc2df203ea15fbeafbe4f99e434e0b554e56284f56359c9d3f3", kill_on_drop: false }`
[INFO] [stdout] 826d25e130b74dc2df203ea15fbeafbe4f99e434e0b554e56284f56359c9d3f3