[INFO] fetching crate autosat 0.1.0...
[INFO] checking autosat-0.1.0 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate autosat 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate autosat 0.1.0 on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate autosat 0.1.0
[INFO] finished tweaking crates.io crate autosat 0.1.0
[INFO] tweaked toml for crates.io crate autosat 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d5b0eb8eaaad74037d7a758cff3dd25295d0a16b4d367b700b9ab3cca6509c7
[INFO] running `Command { std: "docker" "start" "-a" "8d5b0eb8eaaad74037d7a758cff3dd25295d0a16b4d367b700b9ab3cca6509c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d5b0eb8eaaad74037d7a758cff3dd25295d0a16b4d367b700b9ab3cca6509c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d5b0eb8eaaad74037d7a758cff3dd25295d0a16b4d367b700b9ab3cca6509c7", kill_on_drop: false }`
[INFO] [stdout] 8d5b0eb8eaaad74037d7a758cff3dd25295d0a16b4d367b700b9ab3cca6509c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60d81ca5ea45cee062c7b8d55b2549e85ed8dacc7a93ea62866a03698a44aaa3
[INFO] running `Command { std: "docker" "start" "-a" "60d81ca5ea45cee062c7b8d55b2549e85ed8dacc7a93ea62866a03698a44aaa3", kill_on_drop: false }`
[INFO] [stderr]     Checking autosat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `feasible`
[INFO] [stdout]    --> src/lib.rs:191:13
[INFO] [stdout]     |
[INFO] [stdout] 191 |         let feasible = test_feasible(
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_feasible`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `useful`
[INFO] [stdout]    --> src/lib.rs:194:13
[INFO] [stdout]     |
[INFO] [stdout] 194 |         let useful = test_useful(
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_useful`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `feasible`
[INFO] [stdout]    --> src/lib.rs:191:13
[INFO] [stdout]     |
[INFO] [stdout] 191 |         let feasible = test_feasible(
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_feasible`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `useful`
[INFO] [stdout]    --> src/lib.rs:194:13
[INFO] [stdout]     |
[INFO] [stdout] 194 |         let useful = test_useful(
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_useful`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "60d81ca5ea45cee062c7b8d55b2549e85ed8dacc7a93ea62866a03698a44aaa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60d81ca5ea45cee062c7b8d55b2549e85ed8dacc7a93ea62866a03698a44aaa3", kill_on_drop: false }`
[INFO] [stdout] 60d81ca5ea45cee062c7b8d55b2549e85ed8dacc7a93ea62866a03698a44aaa3
