[INFO] fetching crate ipasir 0.3.1...
[INFO] checking ipasir-0.3.1 against try#894d32a5432c6a6461bb2aac7c3d5f2e87dce83f for pr-77015
[INFO] extracting crate ipasir 0.3.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate ipasir 0.3.1 on toolchain 894d32a5432c6a6461bb2aac7c3d5f2e87dce83f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ipasir 0.3.1
[INFO] finished tweaking crates.io crate ipasir 0.3.1
[INFO] tweaked toml for crates.io crate ipasir 0.3.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0db128c1c9d6c0131ed57cc87dfcd592cb22011deb7d7351f6ced6e70bfdba7c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0db128c1c9d6c0131ed57cc87dfcd592cb22011deb7d7351f6ced6e70bfdba7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0db128c1c9d6c0131ed57cc87dfcd592cb22011deb7d7351f6ced6e70bfdba7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0db128c1c9d6c0131ed57cc87dfcd592cb22011deb7d7351f6ced6e70bfdba7c", kill_on_drop: false }`
[INFO] [stdout] 0db128c1c9d6c0131ed57cc87dfcd592cb22011deb7d7351f6ced6e70bfdba7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59fb010d4252c4a3fea1041449080018117a3946232751588c8aa2935d5fc7cb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "59fb010d4252c4a3fea1041449080018117a3946232751588c8aa2935d5fc7cb", kill_on_drop: false }`
[INFO] [stderr]     Checking ipasir v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Unsat`
[INFO] [stdout]   --> src/tests.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Unsat,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `lits`
[INFO] [stdout]   --> src/tests.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     lits: Vec<Lit>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "59fb010d4252c4a3fea1041449080018117a3946232751588c8aa2935d5fc7cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59fb010d4252c4a3fea1041449080018117a3946232751588c8aa2935d5fc7cb", kill_on_drop: false }`
[INFO] [stdout] 59fb010d4252c4a3fea1041449080018117a3946232751588c8aa2935d5fc7cb