[INFO] cloning repository https://github.com/ark2038/zendoo-mc-cryptolib
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ark2038/zendoo-mc-cryptolib" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fark2038%2Fzendoo-mc-cryptolib", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fark2038%2Fzendoo-mc-cryptolib'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b2d5b6191fb3ad05d89254198c0927e2a00b06c2
[INFO] building ark2038/zendoo-mc-cryptolib against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fark2038%2Fzendoo-mc-cryptolib" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ark2038/zendoo-mc-cryptolib on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ark2038/zendoo-mc-cryptolib
[INFO] finished tweaking git repo https://github.com/ark2038/zendoo-mc-cryptolib
[INFO] tweaked toml for git repo https://github.com/ark2038/zendoo-mc-cryptolib written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ark2038/zendoo-mc-cryptolib 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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/ZencashOfficial/ginger-lib.git`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74cde8d6aed10a7ff7654c436b459b5728ce54deb19ea62c90e1dce24b70e124
[INFO] running `Command { std: "docker" "start" "-a" "74cde8d6aed10a7ff7654c436b459b5728ce54deb19ea62c90e1dce24b70e124", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74cde8d6aed10a7ff7654c436b459b5728ce54deb19ea62c90e1dce24b70e124", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74cde8d6aed10a7ff7654c436b459b5728ce54deb19ea62c90e1dce24b70e124", kill_on_drop: false }`
[INFO] [stdout] 74cde8d6aed10a7ff7654c436b459b5728ce54deb19ea62c90e1dce24b70e124
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd613bbeff192e128d3898df092040afe9a5b467f5956efc8ac31c487e1a11b7
[INFO] running `Command { std: "docker" "start" "-a" "fd613bbeff192e128d3898df092040afe9a5b467f5956efc8ac31c487e1a11b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling bench-utils v0.1.0 (https://github.com/ZencashOfficial/ginger-lib.git?rev=69f3c0b2f80a90379587fa5a5cb0e9be130cba6e#69f3c0b2)
[INFO] [stderr]    Compiling winapi v0.3.6
[INFO] [stderr]    Compiling hex v0.4.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling derivative v1.0.4
[INFO] [stderr]    Compiling algebra v0.1.0 (https://github.com/ZencashOfficial/ginger-lib.git?rev=69f3c0b2f80a90379587fa5a5cb0e9be130cba6e#69f3c0b2)
[INFO] [stderr]    Compiling r1cs-core v0.1.0 (https://github.com/ZencashOfficial/ginger-lib.git?rev=69f3c0b2f80a90379587fa5a5cb0e9be130cba6e#69f3c0b2)
[INFO] [stderr]    Compiling primitives v0.1.0 (https://github.com/ZencashOfficial/ginger-lib.git?rev=69f3c0b2f80a90379587fa5a5cb0e9be130cba6e#69f3c0b2)
[INFO] [stderr]    Compiling proof-systems v0.1.0 (https://github.com/ZencashOfficial/ginger-lib.git?rev=69f3c0b2f80a90379587fa5a5cb0e9be130cba6e#69f3c0b2)
[INFO] [stderr]    Compiling zendoo-mc-crypto v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `error` is never read
[INFO] [stdout]   --> src/error/mod.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 51 | struct LastError {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] 52 |     pub error: StdError,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LastError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.35s
[INFO] running `Command { std: "docker" "inspect" "fd613bbeff192e128d3898df092040afe9a5b467f5956efc8ac31c487e1a11b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd613bbeff192e128d3898df092040afe9a5b467f5956efc8ac31c487e1a11b7", kill_on_drop: false }`
[INFO] [stdout] fd613bbeff192e128d3898df092040afe9a5b467f5956efc8ac31c487e1a11b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98ece39d0e8f051b58af384cc887aed7c1419fe5a17aeffda55a55c94b1b3aa2
[INFO] running `Command { std: "docker" "start" "-a" "98ece39d0e8f051b58af384cc887aed7c1419fe5a17aeffda55a55c94b1b3aa2", kill_on_drop: false }`
[INFO] [stderr]    Compiling zendoo-mc-crypto v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `error` is never read
[INFO] [stdout]   --> src/error/mod.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 51 | struct LastError {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] 52 |     pub error: StdError,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LastError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]   --> src/tests/mod.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     drop(zkp_serialized);
[INFO] [stdout]    |     ^^^^^--------------^
[INFO] [stdout]    |          |
[INFO] [stdout]    |          argument has type `[u8; 771]`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 59 -     drop(zkp_serialized);
[INFO] [stdout] 59 +     let _ = zkp_serialized;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]   --> src/tests/mod.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 |     drop(constant_bytes);
[INFO] [stdout]    |     ^^^^^--------------^
[INFO] [stdout]    |          |
[INFO] [stdout]    |          argument has type `[u8; 96]`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 81 -     drop(constant_bytes);
[INFO] [stdout] 81 +     let _ = constant_bytes;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/tests/mod.rs:225:5
[INFO] [stdout]     |
[INFO] [stdout] 225 |     drop(lhs_serialized);
[INFO] [stdout]     |     ^^^^^--------------^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          argument has type `[u8; 96]`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 225 -     drop(lhs_serialized);
[INFO] [stdout] 225 +     let _ = lhs_serialized;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "98ece39d0e8f051b58af384cc887aed7c1419fe5a17aeffda55a55c94b1b3aa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98ece39d0e8f051b58af384cc887aed7c1419fe5a17aeffda55a55c94b1b3aa2", kill_on_drop: false }`
[INFO] [stdout] 98ece39d0e8f051b58af384cc887aed7c1419fe5a17aeffda55a55c94b1b3aa2