[INFO] fetching crate eqlog-eqlog 0.8.0...
[INFO] testing eqlog-eqlog-0.8.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate eqlog-eqlog 0.8.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate eqlog-eqlog 0.8.0
[INFO] finished tweaking crates.io crate eqlog-eqlog 0.8.0
[INFO] tweaked toml for crates.io crate eqlog-eqlog 0.8.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate eqlog-eqlog 0.8.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 106 packages to latest compatible versions
[INFO] [stderr]       Adding eqlog v0.7.2 (available: v0.8.0)
[INFO] [stderr]       Adding eqlog-runtime v0.7.2 (available: v0.8.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pico-args v0.5.0
[INFO] [stderr]   Downloaded tabled_derive v0.3.0
[INFO] [stderr]   Downloaded ena v0.14.3
[INFO] [stderr]   Downloaded by_address v1.2.1
[INFO] [stderr]   Downloaded eqlog-runtime v0.7.2
[INFO] [stderr]   Downloaded lalrpop-util v0.22.2
[INFO] [stderr]   Downloaded papergrid v0.4.0
[INFO] [stderr]   Downloaded base16ct v0.3.0
[INFO] [stderr]   Downloaded eqlog v0.7.2
[INFO] [stderr]   Downloaded eqlog-runtime v0.6.0
[INFO] [stderr]   Downloaded ascii-canvas v4.0.0
[INFO] [stderr]   Downloaded lalrpop v0.22.2
[INFO] [stderr]   Downloaded tabled v0.7.0
[INFO] [stderr]   Downloaded eqlog-eqlog v0.7.2
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41532795983c1ace958a44564027630a65605cfdf01660e2e2c24536377ba16e
[INFO] running `Command { std: "docker" "start" "-a" "41532795983c1ace958a44564027630a65605cfdf01660e2e2c24536377ba16e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41532795983c1ace958a44564027630a65605cfdf01660e2e2c24536377ba16e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41532795983c1ace958a44564027630a65605cfdf01660e2e2c24536377ba16e", kill_on_drop: false }`
[INFO] [stdout] 41532795983c1ace958a44564027630a65605cfdf01660e2e2c24536377ba16e
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 289cd7a664e7a3a686bab51909352b8952b6ffcde18c3d03ac52005fb7ea14f9
[INFO] running `Command { std: "docker" "start" "-a" "289cd7a664e7a3a686bab51909352b8952b6ffcde18c3d03ac52005fb7ea14f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling eqlog-eqlog v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling papergrid v0.4.0
[INFO] [stderr]    Compiling tabled_derive v0.3.0
[INFO] [stderr]    Compiling tabled v0.7.0
[INFO] [stderr]    Compiling eqlog-runtime v0.7.2
[INFO] [stdout] warning: struct `SemanticArgTypesArgs` is never constructed
[INFO] [stdout]      --> /opt/rustwide/workdir/prebuilt/eqlog.rs:32781:8
[INFO] [stdout]       |
[INFO] [stdout] 32781 | struct SemanticArgTypesArgs(pub ArgDeclListNode);
[INFO] [stdout]       |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]       |
[INFO] [stdout]       = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PredArityArgs` is never constructed
[INFO] [stdout]      --> /opt/rustwide/workdir/prebuilt/eqlog.rs:32785:8
[INFO] [stdout]       |
[INFO] [stdout] 32785 | struct PredArityArgs(pub Pred);
[INFO] [stdout]       |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DomainArgs` is never constructed
[INFO] [stdout]      --> /opt/rustwide/workdir/prebuilt/eqlog.rs:32789:8
[INFO] [stdout]       |
[INFO] [stdout] 32789 | struct DomainArgs(pub Func);
[INFO] [stdout]       |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ArityArgs` is never constructed
[INFO] [stdout]      --> /opt/rustwide/workdir/prebuilt/eqlog.rs:32797:8
[INFO] [stdout]       |
[INFO] [stdout] 32797 | struct ArityArgs(pub Rel);
[INFO] [stdout]       |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MapElsArgs` is never constructed
[INFO] [stdout]      --> /opt/rustwide/workdir/prebuilt/eqlog.rs:32817:8
[INFO] [stdout]       |
[INFO] [stdout] 32817 | struct MapElsArgs(pub Morphism, pub ElList);
[INFO] [stdout]       |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SemanticElsArgs` is never constructed
[INFO] [stdout]      --> /opt/rustwide/workdir/prebuilt/eqlog.rs:32853:8
[INFO] [stdout]       |
[INFO] [stdout] 32853 | struct SemanticElsArgs(pub TermListNode, pub Structure);
[INFO] [stdout]       |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `eqlog-eqlog` (lib); 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.90.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name eqlog_eqlog --edition=2021 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "rebuild"))' -C metadata=84286c2c01647c18 -C extra-filename=-1b7834adfd9fafa1 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern eqlog_runtime=/opt/rustwide/target/debug/deps/libeqlog_runtime-4ee28c38f198e1da.rmeta --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "289cd7a664e7a3a686bab51909352b8952b6ffcde18c3d03ac52005fb7ea14f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "289cd7a664e7a3a686bab51909352b8952b6ffcde18c3d03ac52005fb7ea14f9", kill_on_drop: false }`
[INFO] [stdout] 289cd7a664e7a3a686bab51909352b8952b6ffcde18c3d03ac52005fb7ea14f9