[INFO] fetching crate eqlog-eqlog 0.8.0...
[INFO] checking eqlog-eqlog-0.8.0 against try#5de9e0e6cf775e94e0de2003f35e183f3f77bfe8 for pr-143808
[INFO] extracting crate eqlog-eqlog 0.8.0 into /workspace/builds/worker-0-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate eqlog-eqlog 0.8.0 on toolchain 5de9e0e6cf775e94e0de2003f35e183f3f77bfe8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "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" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 105 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" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87aee1fcbe9fd39b3d8e5374eba7e8e9324b3620a4a4756abc405e5dbbd69ee7
[INFO] running `Command { std: "docker" "start" "-a" "87aee1fcbe9fd39b3d8e5374eba7e8e9324b3620a4a4756abc405e5dbbd69ee7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87aee1fcbe9fd39b3d8e5374eba7e8e9324b3620a4a4756abc405e5dbbd69ee7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87aee1fcbe9fd39b3d8e5374eba7e8e9324b3620a4a4756abc405e5dbbd69ee7", kill_on_drop: false }`
[INFO] [stdout] 87aee1fcbe9fd39b3d8e5374eba7e8e9324b3620a4a4756abc405e5dbbd69ee7
[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" "-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac22a1aac235f0f5b333b63e1be4ec2d7b44c9e8ec068d15b1959177b009a887
[INFO] running `Command { std: "docker" "start" "-a" "ac22a1aac235f0f5b333b63e1be4ec2d7b44c9e8ec068d15b1959177b009a887", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking unicode-width v0.1.14
[INFO] [stderr]    Compiling eqlog-eqlog v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking papergrid v0.4.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling tabled_derive v0.3.0
[INFO] [stderr]     Checking tabled v0.7.0
[INFO] [stderr]     Checking 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] [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]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 32.89s
[INFO] running `Command { std: "docker" "inspect" "ac22a1aac235f0f5b333b63e1be4ec2d7b44c9e8ec068d15b1959177b009a887", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac22a1aac235f0f5b333b63e1be4ec2d7b44c9e8ec068d15b1959177b009a887", kill_on_drop: false }`
[INFO] [stdout] ac22a1aac235f0f5b333b63e1be4ec2d7b44c9e8ec068d15b1959177b009a887