[INFO] fetching crate dusk-plonk 0.20.0...
[INFO] checking dusk-plonk-0.20.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate dusk-plonk 0.20.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate dusk-plonk 0.20.0 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate dusk-plonk 0.20.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate dusk-plonk 0.20.0
[INFO] tweaked toml for crates.io crate dusk-plonk 0.20.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate dusk-plonk 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ac07d1b4282b36a8f9d5f0e1e805f727dd8bb3e72fa18d8e50c621e1214c514
[INFO] running `Command { std: "docker" "start" "-a" "7ac07d1b4282b36a8f9d5f0e1e805f727dd8bb3e72fa18d8e50c621e1214c514", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ac07d1b4282b36a8f9d5f0e1e805f727dd8bb3e72fa18d8e50c621e1214c514", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ac07d1b4282b36a8f9d5f0e1e805f727dd8bb3e72fa18d8e50c621e1214c514", kill_on_drop: false }`
[INFO] [stdout] 7ac07d1b4282b36a8f9d5f0e1e805f727dd8bb3e72fa18d8e50c621e1214c514
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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 -Dtail_expr_drop_order" "-e" "RUSTDOCFLAGS=--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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6b034e48a7848fdd060f13069cb0d4beaee7a0f9fe22e1530a1f4eddb7f7016
[INFO] running `Command { std: "docker" "start" "-a" "c6b034e48a7848fdd060f13069cb0d4beaee7a0f9fe22e1530a1f4eddb7f7016", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling serde v1.0.189
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]    Compiling rustix v0.38.21
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking linux-raw-sys v0.4.12
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[INFO] [stderr]    Compiling syn v2.0.38
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[INFO] [stderr]     Checking pairing v0.23.0
[INFO] [stderr]    Compiling derive-hex v0.1.2
[INFO] [stderr]    Compiling ptr_meta_derive v0.1.4
[INFO] [stderr]    Compiling rkyv_derive v0.7.42
[INFO] [stderr]     Checking ptr_meta v0.1.4
[INFO] [stderr]     Checking dusk-bytes v0.1.6
[INFO] [stderr]     Checking dusk-bls12_381 v0.13.0
[INFO] [stderr]     Checking dusk-jubjub v0.14.0
[INFO] [stderr]    Compiling serde_derive v1.0.189
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
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[INFO] [stderr]     Checking merlin v3.0.0
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[INFO] [stderr]     Checking dusk-plonk v0.20.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `w` and `v` are never read
[INFO] [stdout]   --> src/runtime.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     WitnessAppended {
[INFO] [stdout]    |     --------------- fields in this variant
[INFO] [stdout] 22 |         /// Appended witness
[INFO] [stdout] 23 |         w: Witness,
[INFO] [stdout]    |         ^
[INFO] [stdout] 24 |         /// Witness value
[INFO] [stdout] 25 |         v: BlsScalar,
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RuntimeEvent` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `c` is never read
[INFO] [stdout]   --> src/runtime.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     ConstraintAppended {
[INFO] [stdout]    |     ------------------ field in this variant
[INFO] [stdout] 30 |         /// Appended constraint
[INFO] [stdout] 31 |         c: Constraint,
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RuntimeEvent` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ciborium v0.2.1
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stdout] warning: fields `w` and `v` are never read
[INFO] [stdout]   --> src/runtime.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     WitnessAppended {
[INFO] [stdout]    |     --------------- fields in this variant
[INFO] [stdout] 22 |         /// Appended witness
[INFO] [stdout] 23 |         w: Witness,
[INFO] [stdout]    |         ^
[INFO] [stdout] 24 |         /// Witness value
[INFO] [stdout] 25 |         v: BlsScalar,
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RuntimeEvent` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `c` is never read
[INFO] [stdout]   --> src/runtime.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     ConstraintAppended {
[INFO] [stdout]    |     ------------------ field in this variant
[INFO] [stdout] 30 |         /// Appended constraint
[INFO] [stdout] 31 |         c: Constraint,
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RuntimeEvent` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.36s
[INFO] running `Command { std: "docker" "inspect" "c6b034e48a7848fdd060f13069cb0d4beaee7a0f9fe22e1530a1f4eddb7f7016", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6b034e48a7848fdd060f13069cb0d4beaee7a0f9fe22e1530a1f4eddb7f7016", kill_on_drop: false }`
[INFO] [stdout] c6b034e48a7848fdd060f13069cb0d4beaee7a0f9fe22e1530a1f4eddb7f7016